Mercurial > octave
annotate libinterp/parse-tree/lex.ll @ 27777:3b6920ee4383
eliminate COMMAND_ARG_FINISH macro in lexer
* lex.h, lex.ll (base_lexer::finish_command_arg): New function to do
part of the work of the COMMAND_ARG_FINISH macro.
(COMMAND_ARG_FINISH): Delete macro. Replace all uses with some inline
code and a call to curr_lexer->finish_command_arg.
(base_lexer::handle_token (const std::string&, int)): Delete function.
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 05 Dec 2019 22:01:02 -0600 |
parents | cd566153edd6 |
children | 2f8559459314 |
rev | line source |
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1994 | 1 /* |
1 | 2 |
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3 Copyright (C) 1993-2019 John W. Eaton |
1 | 4 |
5 This file is part of Octave. | |
6 | |
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7 Octave is free software: you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by |
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9 the Free Software Foundation, either version 3 of the License, or |
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10 (at your option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but |
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13 WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 GNU General Public License for more details. |
1 | 16 |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
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19 <https://www.gnu.org/licenses/>. |
1 | 20 |
21 */ | |
22 | |
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23 /* |
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24 We are using the pure parser interface and the reentrant lexer |
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25 interface but the Octave parser and lexer are NOT properly |
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26 reentrant because both still use many global variables. It should be |
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27 safe to create a parser object and call it while another parser |
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28 object is active (to parse a callback function while the main |
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29 interactive parser is waiting for input, for example) if you take |
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30 care to properly save and restore (typically with an unwind_protect |
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31 object) relevant global values before and after the nested call. |
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32 */ |
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33 |
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34 %top { |
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35 #if defined (HAVE_CONFIG_H) |
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36 # include "config.h" |
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37 #endif |
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38 |
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39 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC) |
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40 // This one needs to be global. |
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41 # pragma GCC diagnostic ignored "-Wunused-function" |
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42 // Disable these warnings for code that is generated by flex, |
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43 // including pattern rules. Push the current state so we can |
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44 // restore the warning state prior to functions we define at |
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45 // the bottom of the file. |
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46 # pragma GCC diagnostic push |
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47 # pragma GCC diagnostic ignored "-Wold-style-cast" |
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48 # pragma GCC diagnostic ignored "-Wsign-compare" |
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49 # pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant" |
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50 # if defined (HAVE_WARN_IMPLICIT_FALLTHROUGH) |
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51 # pragma GCC diagnostic ignored "-Wimplicit-fallthrough" |
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52 # endif |
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53 #endif |
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54 |
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55 // Define away the deprecated register storage class specifier to avoid |
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56 // potential warnings about it. |
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57 #if ! defined (register) |
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58 # define register |
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59 #endif |
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60 |
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61 } |
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62 |
4753 | 63 %option prefix = "octave_" |
16146 | 64 %option noyywrap |
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65 %option reentrant |
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66 %option bison-bridge |
4753 | 67 |
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68 %option noyyalloc |
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69 %option noyyrealloc |
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70 %option noyyfree |
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71 |
18234 | 72 %x COMMAND_START |
4208 | 73 %s MATRIX_START |
4240 | 74 |
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75 %x INPUT_FILE_START |
1 | 76 |
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77 %x BLOCK_COMMENT_START |
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78 %x LINE_COMMENT_START |
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79 |
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80 %x DQ_STRING_START |
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81 %x SQ_STRING_START |
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82 |
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83 %x FQ_IDENT_START |
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84 |
1 | 85 %{ |
240 | 86 |
1341 | 87 #include <cctype> |
88 #include <cstring> | |
89 | |
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90 #include <iostream> |
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91 #include <set> |
5765 | 92 #include <sstream> |
1823 | 93 #include <string> |
4214 | 94 #include <stack> |
1823 | 95 |
2926 | 96 #include "cmd-edit.h" |
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97 #include "lo-mappers.h" |
4153 | 98 #include "quit.h" |
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99 #include "unistd-wrappers.h" |
2926 | 100 |
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101 // These would be alphabetical, but oct-parse.h must be included before |
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102 // oct-gperf.h and oct-parse.h must be included after token.h and the tree |
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103 // class declarations. We can't include oct-parse.h in oct-gperf.h |
1497 | 104 // because it may not be protected to allow it to be included multiple |
105 // times. | |
106 | |
4264 | 107 #include "Cell.h" |
2181 | 108 #include "defun.h" |
1355 | 109 #include "error.h" |
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110 #include "errwarn.h" |
1351 | 111 #include "input.h" |
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112 #include "interpreter.h" |
1355 | 113 #include "lex.h" |
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114 #include "octave.h" |
2891 | 115 #include "ov.h" |
1355 | 116 #include "parse.h" |
2987 | 117 #include "pt-all.h" |
2891 | 118 #include "symtab.h" |
119 #include "token.h" | |
1355 | 120 #include "utils.h" |
121 #include "variables.h" | |
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122 #include "oct-parse.h" |
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123 #include "oct-gperf.h" |
1 | 124 |
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125 // FIXME: with bison 3.x, OCTAVE_STYPE appears in the generated |
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126 // oct-parse.h file, but there is no definition for YYSTYPE, which is |
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127 // needed by the code that is generated by flex. I can't seem to find a |
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128 // way to tell flex to use OCTAVE_STYPE instead of YYSTYPE in the code |
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129 // it generates, or to tell bison to provide the definition of YYSTYPE |
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130 // in the generated oct-parse.h file. |
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131 |
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132 #if defined (OCTAVE_STYPE_IS_DECLARED) && ! defined YYSTYPE |
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133 # define YYSTYPE OCTAVE_STYPE |
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134 #endif |
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135 |
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136 #define YY_NO_UNISTD_H 1 |
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137 #define isatty octave_isatty_wrapper |
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138 |
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139 #if ! (defined (FLEX_SCANNER) \ |
2716 | 140 && defined (YY_FLEX_MAJOR_VERSION) && YY_FLEX_MAJOR_VERSION >= 2 \ |
141 && defined (YY_FLEX_MINOR_VERSION) && YY_FLEX_MINOR_VERSION >= 5) | |
142 #error lex.l requires flex version 2.5.4 or later | |
143 #endif | |
144 | |
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145 #define YY_EXTRA_TYPE octave::base_lexer * |
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146 #define curr_lexer yyextra |
4753 | 147 |
148 // Arrange to get input via readline. | |
149 | |
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150 #if defined (YY_INPUT) |
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151 # undef YY_INPUT |
4753 | 152 #endif |
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153 #define YY_INPUT(buf, result, max_size) \ |
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154 result = curr_lexer->fill_flex_buffer (buf, max_size) |
4753 | 155 |
156 // Try to avoid crashing out completely on fatal scanner errors. | |
157 | |
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158 #if defined (YY_FATAL_ERROR) |
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159 # undef YY_FATAL_ERROR |
4753 | 160 #endif |
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161 #define YY_FATAL_ERROR(msg) \ |
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162 (yyget_extra (yyscanner))->fatal_error (msg) |
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163 |
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164 #define CMD_OR_OP(PATTERN, TOK, COMPAT) \ |
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165 do \ |
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166 { \ |
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167 curr_lexer->lexer_debug (PATTERN); \ |
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168 \ |
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169 if (curr_lexer->looks_like_command_arg ()) \ |
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170 { \ |
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171 yyless (0); \ |
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172 curr_lexer->push_start_state (COMMAND_START); \ |
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173 } \ |
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174 else \ |
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175 { \ |
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176 return curr_lexer->handle_op_internal (TOK, false, COMPAT); \ |
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177 } \ |
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178 } \ |
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179 while (0) |
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180 |
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181 #define CMD_OR_COMPUTED_ASSIGN_OP(PATTERN, TOK) \ |
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182 do \ |
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183 { \ |
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184 curr_lexer->lexer_debug (PATTERN); \ |
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185 \ |
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186 if (curr_lexer->previous_token_may_be_command () \ |
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187 && curr_lexer->space_follows_previous_token ()) \ |
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188 { \ |
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189 yyless (0); \ |
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190 curr_lexer->push_start_state (COMMAND_START); \ |
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191 } \ |
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192 else \ |
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193 { \ |
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194 return curr_lexer->handle_language_extension_op (PATTERN, TOK, \ |
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195 false); \ |
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196 } \ |
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197 } \ |
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198 while (0) |
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199 |
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200 #define CMD_OR_UNARY_OP(PATTERN, TOK, COMPAT) \ |
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201 do \ |
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202 { \ |
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203 curr_lexer->lexer_debug (PATTERN); \ |
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204 \ |
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205 if (curr_lexer->previous_token_may_be_command ()) \ |
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206 { \ |
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207 if (curr_lexer->looks_like_command_arg ()) \ |
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208 { \ |
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209 yyless (0); \ |
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210 curr_lexer->push_start_state (COMMAND_START); \ |
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211 } \ |
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212 else \ |
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213 { \ |
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214 return curr_lexer->handle_op_internal (TOK, false, COMPAT); \ |
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215 } \ |
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216 } \ |
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217 else \ |
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218 { \ |
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219 int tok \ |
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220 = (COMPAT \ |
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221 ? curr_lexer->handle_unary_op (TOK) \ |
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222 : curr_lexer->handle_language_extension_unary_op (TOK)); \ |
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223 \ |
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224 if (tok < 0) \ |
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225 { \ |
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226 yyless (0); \ |
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227 curr_lexer->xunput (','); \ |
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228 /* Adjust for comma that was not really in the input stream. */ \ |
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229 curr_lexer->m_filepos.decrement_column (); \ |
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230 } \ |
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231 else \ |
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232 { \ |
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233 return tok; \ |
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234 } \ |
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235 } \ |
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236 } \ |
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237 while (0) |
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238 |
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239 // We can't rely on the trick used elsewhere of sticking ASCII 1 in |
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240 // the input buffer and recognizing it as a special case because ASCII |
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241 // 1 is a valid character for a character string. If we are at the |
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242 // end of the buffer, ask for more input. If we are at the end of the |
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243 // file, deal with it. Otherwise, just keep going with the text from |
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244 // the current buffer. |
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245 #define HANDLE_STRING_CONTINUATION \ |
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246 do \ |
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247 { \ |
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248 curr_lexer->m_filepos.next_line (); \ |
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249 \ |
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250 if (curr_lexer->is_push_lexer ()) \ |
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251 { \ |
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252 if (curr_lexer->at_end_of_buffer ()) \ |
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253 return -1; \ |
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254 \ |
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255 if (curr_lexer->at_end_of_file ()) \ |
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256 return curr_lexer->handle_end_of_input (); \ |
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257 } \ |
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258 } \ |
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259 while (0) |
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260 |
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261 #define HANDLE_IDENTIFIER(pattern, get_set) \ |
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262 do \ |
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263 { \ |
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264 curr_lexer->lexer_debug (pattern); \ |
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265 \ |
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266 int tok = curr_lexer->previous_token_value (); \ |
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267 \ |
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268 if (curr_lexer->whitespace_is_significant () \ |
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269 && curr_lexer->space_follows_previous_token () \ |
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270 && ! (tok == '[' || tok == '{' \ |
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271 || curr_lexer->previous_token_is_binop ())) \ |
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272 { \ |
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273 yyless (0); \ |
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274 unput (','); \ |
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275 } \ |
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276 else \ |
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277 { \ |
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278 if (! curr_lexer->m_looking_at_decl_list \ |
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279 && curr_lexer->previous_token_may_be_command ()) \ |
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280 { \ |
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281 yyless (0); \ |
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282 curr_lexer->push_start_state (COMMAND_START); \ |
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283 } \ |
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284 else \ |
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285 { \ |
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286 if (get_set) \ |
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287 { \ |
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288 yyless (3); \ |
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289 curr_lexer->m_maybe_classdef_get_set_method = false; \ |
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290 } \ |
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291 \ |
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292 int id_tok = curr_lexer->handle_identifier (); \ |
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293 \ |
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294 if (id_tok >= 0) \ |
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295 return curr_lexer->count_token_internal (id_tok); \ |
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296 } \ |
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297 } \ |
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298 } \ |
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299 while (0) |
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300 |
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301 static inline bool |
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302 is_space_or_tab (char c) |
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303 { |
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304 return c == ' ' || c == '\t'; |
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305 } |
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306 |
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307 static inline bool |
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308 is_space_or_tab_or_eol (char c) |
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309 { |
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310 return c == ' ' || c == '\t' || c == '\n' || c == '\r'; |
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311 } |
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312 |
1 | 313 %} |
314 | |
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315 D [0-9] |
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316 D_ [0-9_] |
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317 S [ \t] |
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318 NL ((\n)|(\r)|(\r\n)) |
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319 Im [iIjJ] |
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320 CCHAR [#%] |
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321 IDENT ([_$a-zA-Z][_$a-zA-Z0-9]*) |
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322 FQIDENT ({IDENT}({S}*\.{S}*{IDENT})*) |
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323 EXPON ([DdEe][+-]?{D}{D_}*) |
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324 NUMBIN (0[bB][01_]+) |
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325 NUMHEX (0[xX][0-9a-fA-F][0-9a-fA-F_]*) |
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326 NUMREAL (({D}{D_}*\.?{D_}*{EXPON}?)|(\.{D}{D_}*{EXPON}?)) |
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327 NUMBER ({NUMREAL}|{NUMHEX}|{NUMBIN}) |
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328 |
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329 ANY_EXCEPT_NL [^\r\n] |
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330 ANY_INCLUDING_NL (.|{NL}) |
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331 |
1 | 332 %% |
333 | |
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334 %{ |
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335 // Make script and function files start with an invalid token. This makes |
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336 // the parser go down a special path. |
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337 %} |
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338 |
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339 <INPUT_FILE_START>{ANY_INCLUDING_NL} { |
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340 curr_lexer->lexer_debug ("<INPUT_FILE_START>{ANY_INCLUDING_NL}"); |
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341 |
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342 curr_lexer->xunput (yytext[0]); |
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343 |
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344 // May be reset later if we see "function" or "classdef" appears |
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345 // as the first token. |
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346 curr_lexer->m_reading_script_file = true; |
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347 |
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348 curr_lexer->pop_start_state (); |
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349 |
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350 return curr_lexer->show_token (INPUT_FILE); |
4238 | 351 } |
352 | |
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353 <INPUT_FILE_START><<EOF>> { |
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354 curr_lexer->lexer_debug ("<INPUT_FILE_START><<EOF>>"); |
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355 |
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356 // May be reset later if we see "function" or "classdef" appears |
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357 // as the first token. |
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358 curr_lexer->m_reading_script_file = true; |
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359 |
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360 curr_lexer->pop_start_state (); |
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361 |
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362 return curr_lexer->show_token (INPUT_FILE); |
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363 } |
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364 |
968 | 365 %{ |
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366 // Help and other command-style functions. |
968 | 367 %} |
368 | |
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369 %{ |
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370 // Commands can be continued on a second line using the ellipsis. |
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371 // If an argument is in construction, it is completed. |
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372 %} |
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373 |
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374 <COMMAND_START>(\.\.\.){ANY_EXCEPT_NL}*{NL} { |
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375 curr_lexer->lexer_debug ("<COMMAND_START>(\\.\\.\\.){ANY_EXCEPT_NL}*{NL}"); |
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376 |
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377 if (! curr_lexer->m_string_text.empty ()) |
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378 { |
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379 yyless (0); |
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380 |
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381 return curr_lexer->finish_command_arg (); |
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382 } |
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383 |
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384 HANDLE_STRING_CONTINUATION; |
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385 } |
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386 |
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387 %{ |
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388 // Commands normally end at the end of a line or a semicolon. |
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389 %} |
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390 |
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391 <COMMAND_START>({CCHAR}{ANY_EXCEPT_NL}*)?{NL} { |
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392 curr_lexer->lexer_debug ("<COMMAND_START>({CCHAR}{ANY_EXCEPT_NL}*)?{NL}"); |
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393 |
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394 if (! curr_lexer->m_string_text.empty ()) |
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395 { |
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396 yyless (0); |
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397 |
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398 return curr_lexer->finish_command_arg (); |
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399 } |
8535 | 400 |
27766
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401 curr_lexer->m_filepos.next_line (); |
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402 curr_lexer->m_looking_for_object_index = false; |
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403 curr_lexer->m_at_beginning_of_statement = true; |
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404 curr_lexer->pop_start_state (); |
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405 |
18224
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406 return curr_lexer->handle_token ('\n'); |
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407 } |
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408 |
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409 <COMMAND_START>[\,\;] { |
18234 | 410 curr_lexer->lexer_debug ("<COMMAND_START>[\\,\\;]"); |
18224
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411 |
24833
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412 if (yytext[0] != ',' || curr_lexer->m_command_arg_paren_count == 0) |
18224
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413 { |
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414 if (! curr_lexer->m_string_text.empty ()) |
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415 { |
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416 yyless (0); |
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417 |
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418 return curr_lexer->finish_command_arg (); |
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419 } |
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420 |
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421 curr_lexer->m_looking_for_object_index = false; |
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422 curr_lexer->m_at_beginning_of_statement = true; |
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423 curr_lexer->pop_start_state (); |
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424 |
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425 return curr_lexer->handle_token (yytext[0]); |
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426 } |
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427 else |
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428 curr_lexer->m_string_text += yytext; |
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429 |
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430 curr_lexer->m_filepos.increment_column (yyleng); |
967 | 431 } |
1 | 432 |
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433 %{ |
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434 // Unbalanced parentheses serve as pseudo-quotes: they are included in |
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435 // the final argument string, but they cause parentheses and quotes to |
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436 // be slurped into that argument as well. |
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437 %} |
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438 |
18234 | 439 <COMMAND_START>[\(\[\{]* { |
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440 curr_lexer->lexer_debug ("<COMMAND_START>[\\(\\[\\{]+"); |
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441 |
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442 curr_lexer->m_command_arg_paren_count += yyleng; |
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443 curr_lexer->m_string_text += yytext; |
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444 curr_lexer->m_filepos.increment_column (yyleng); |
967 | 445 } |
1 | 446 |
18234 | 447 <COMMAND_START>[\)\]\}]* { |
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448 curr_lexer->lexer_debug ("<COMMAND_START>[\\)\\]\\}]+"); |
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449 |
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450 curr_lexer->m_command_arg_paren_count -= yyleng; |
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451 curr_lexer->m_string_text += yytext; |
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452 curr_lexer->m_filepos.increment_column (yyleng); |
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453 } |
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454 |
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455 %{ |
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456 // Handle quoted strings. Quoted strings that are not separated by |
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457 // whitespace from other argument text are combined with that previous |
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458 // text. For instance, |
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459 // |
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460 // command 'text1'"text2" |
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461 // |
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462 // has a single argument text1text2, not two separate arguments. |
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463 // That's why we must test to see if we are in command argument mode |
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464 // when processing the end of a string. |
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465 %} |
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466 |
4208 | 467 <COMMAND_START>[\"\'] { |
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468 curr_lexer->lexer_debug ("<COMMAND_START>[\\\"\\']"); |
8535 | 469 |
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470 if (curr_lexer->m_command_arg_paren_count == 0) |
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471 curr_lexer->begin_string (yytext[0] == '"' |
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472 ? DQ_STRING_START : SQ_STRING_START); |
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473 else |
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474 curr_lexer->m_string_text += yytext; |
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475 |
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476 curr_lexer->m_filepos.increment_column (yyleng); |
975 | 477 } |
478 | |
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479 %{ |
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480 // In standard command argument processing, whitespace separates |
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481 // arguments. In the presence of unbalanced parentheses, it is |
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482 // incorporated into the argument. |
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483 %} |
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484 |
18234 | 485 <COMMAND_START>{S}* { |
486 curr_lexer->lexer_debug ("<COMMAND_START>{S}*"); | |
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487 |
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488 if (curr_lexer->m_command_arg_paren_count == 0) |
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489 { |
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490 if (! curr_lexer->m_string_text.empty ()) |
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491 { |
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492 yyless (0); |
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493 |
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494 return curr_lexer->finish_command_arg (); |
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495 } |
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496 } |
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497 else |
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498 curr_lexer->m_string_text += yytext; |
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499 |
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500 curr_lexer->m_filepos.increment_column (yyleng); |
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501 } |
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502 |
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503 %{ |
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504 // Everything else is slurped into the command arguments. |
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505 %} |
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506 |
18234 | 507 <COMMAND_START>([\.]|[^#% \t\r\n\.\,\;\"\'\(\[\{\}\]\)]*) { |
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508 curr_lexer->lexer_debug ("<COMMAND_START>([\\.]|[^#% \\t\\r\\n\\.\\,\\;\\\"\\'\\(\\[\\{\\}\\]\\)]*"); |
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509 |
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510 curr_lexer->m_string_text += yytext; |
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511 curr_lexer->m_filepos.increment_column (yyleng); |
967 | 512 } |
1 | 513 |
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514 <MATRIX_START>{S}* { |
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515 curr_lexer->lexer_debug ("<MATRIX_START>{S}*"); |
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516 |
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517 curr_lexer->m_filepos.increment_column (yyleng); |
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|
518 |
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519 curr_lexer->mark_previous_token_trailing_space (); |
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520 } |
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521 |
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522 <MATRIX_START>{NL} { |
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523 curr_lexer->lexer_debug ("<MATRIX_START>{NL}"); |
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524 |
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525 curr_lexer->m_filepos.next_line (); |
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526 |
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527 if (curr_lexer->m_nesting_level.is_paren ()) |
21102
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|
528 curr_lexer->warn_language_extension ("bare newline inside parentheses"); |
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529 else |
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530 { |
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531 int tok = curr_lexer->previous_token_value (); |
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532 |
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533 if (! (tok == ';' || tok == '[' || tok == '{')) |
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534 { |
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535 curr_lexer->xunput (';'); |
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536 // Adjust for semicolon that was not really in the input stream. |
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537 curr_lexer->m_filepos.decrement_column (); |
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538 } |
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539 } |
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540 } |
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541 |
968 | 542 %{ |
1 | 543 // For this and the next two rules, we're looking at ']', and we |
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544 // need to know if the next token is '=' or '=='. |
1 | 545 // |
546 // It would have been so much easier if the delimiters were simply | |
547 // different for the expression on the left hand side of the equals | |
548 // operator. | |
971 | 549 // |
550 // It's also a pain in the ass to decide whether to insert a comma | |
551 // after seeing a ']' character... | |
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552 |
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553 // FIXME: we need to handle block comments here. |
968 | 554 %} |
555 | |
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556 <MATRIX_START>\] { |
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557 curr_lexer->lexer_debug ("<MATRIX_START>\\]"); |
8535 | 558 |
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559 return curr_lexer->handle_close_bracket (']'); |
4608 | 560 } |
561 | |
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562 %{ |
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563 // FIXME: we need to handle block comments here. |
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564 %} |
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565 |
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566 <MATRIX_START>\} { |
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567 curr_lexer->lexer_debug ("<MATRIX_START>\\}*"); |
8535 | 568 |
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569 return curr_lexer->handle_close_bracket ('}'); |
967 | 570 } |
1 | 571 |
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572 \[ { |
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573 curr_lexer->lexer_debug ("\\["); |
8535 | 574 |
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575 bool unput_comma = false; |
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576 |
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577 if (curr_lexer->whitespace_is_significant () |
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578 && curr_lexer->space_follows_previous_token ()) |
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579 { |
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580 int tok = curr_lexer->previous_token_value (); |
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581 |
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582 if (! (tok == '[' || tok == '{' |
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583 || curr_lexer->previous_token_is_binop ())) |
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584 unput_comma = true; |
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585 } |
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586 |
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587 if (unput_comma) |
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588 { |
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589 yyless (0); |
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590 curr_lexer->xunput (','); |
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591 // Adjust for comma that was not really in the input stream. |
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592 curr_lexer->m_filepos.decrement_column (); |
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593 } |
5615 | 594 else |
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595 { |
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596 curr_lexer->m_nesting_level.bracket (); |
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597 |
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598 curr_lexer->m_looking_at_object_index.push_front (false); |
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599 |
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600 curr_lexer->m_filepos.increment_column (yyleng); |
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601 curr_lexer->m_looking_for_object_index = false; |
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602 curr_lexer->m_at_beginning_of_statement = false; |
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603 |
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604 if (curr_lexer->m_defining_func |
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605 && ! curr_lexer->m_parsed_function_name.top ()) |
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606 curr_lexer->m_looking_at_return_list = true; |
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607 else |
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608 curr_lexer->m_looking_at_matrix_or_assign_lhs = true; |
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609 |
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610 curr_lexer->m_bracketflag++; |
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611 |
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612 curr_lexer->push_start_state (MATRIX_START); |
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613 |
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614 return curr_lexer->count_token ('['); |
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615 } |
967 | 616 } |
1 | 617 |
968 | 618 \] { |
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619 curr_lexer->lexer_debug ("\\]"); |
8535 | 620 |
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621 curr_lexer->m_nesting_level.remove (); |
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622 |
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623 curr_lexer->m_looking_at_object_index.pop_front (); |
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624 |
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625 curr_lexer->m_looking_for_object_index = true; |
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626 curr_lexer->m_at_beginning_of_statement = false; |
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627 |
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628 return curr_lexer->handle_token (']'); |
968 | 629 } |
630 | |
631 %{ | |
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632 // Gobble comments. Both BLOCK_COMMENT_START and LINE_COMMENT_START |
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633 // are exclusive start states. We try to grab a continuous series of |
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634 // line-oriented comments as a single collection of comments. |
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635 %} |
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636 |
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637 %{ |
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638 // Start of a block comment. Since comment start states are exclusive, |
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639 // this pattern will not match a block comment that immediately follows |
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640 // a line-oriented comment. All we need to do is push the matched text |
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641 // back on the input stream and push the new start state. |
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642 %} |
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643 |
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644 ^{S}*{CCHAR}\{{S}*{NL} { |
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645 curr_lexer->lexer_debug ("^{S}*{CCHAR}\\{{S}*{NL}"); |
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646 |
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647 yyless (0); |
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648 |
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649 curr_lexer->push_start_state (BLOCK_COMMENT_START); |
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650 } |
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651 |
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652 <BLOCK_COMMENT_START>^{S}*{CCHAR}\{{S}*{NL} { |
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653 curr_lexer->lexer_debug ("<BLOCK_COMMENT_START>^{S}*{CCHAR}\\{{S}*{NL}"); |
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654 |
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655 curr_lexer->m_filepos.next_line (); |
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656 |
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657 if (curr_lexer->m_block_comment_nesting_level) |
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658 curr_lexer->m_comment_text = "\n"; |
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659 |
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660 curr_lexer->m_block_comment_nesting_level++; |
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661 } |
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662 |
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663 %{ |
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664 // End of a block comment. If this block comment is nested inside |
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665 // another, wait for the outermost block comment to be closed before |
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666 // storing the comment. |
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667 |
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668 // NOTE: This pattern must appear before the one below. Both may match |
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669 // the same text and this one should take precedence over the one that |
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670 // follows. |
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671 %} |
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672 |
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673 <BLOCK_COMMENT_START>^{S}*{CCHAR}\}{S}*{NL} { |
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674 curr_lexer->lexer_debug ("<BLOCK_COMMENT_START>^{S}*{CCHAR}\\}{S}*{NL}"); |
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675 |
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676 curr_lexer->m_filepos.next_line (); |
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677 |
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678 if (curr_lexer->m_block_comment_nesting_level > 1) |
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679 curr_lexer->m_comment_text = "\n"; |
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680 else |
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681 curr_lexer->finish_comment (octave::comment_elt::block); |
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682 |
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683 curr_lexer->m_block_comment_nesting_level--; |
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684 |
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685 if (curr_lexer->m_block_comment_nesting_level == 0) |
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686 curr_lexer->pop_start_state (); |
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687 } |
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688 |
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689 %{ |
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690 // Body of a block comment. |
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691 %} |
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692 |
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693 <BLOCK_COMMENT_START>{ANY_EXCEPT_NL}*{NL} { |
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694 curr_lexer->lexer_debug ("<BLOCK_COMMENT_START>{ANY_EXCEPT_NL}*{NL}"); |
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695 |
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696 curr_lexer->m_filepos.next_line (); |
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697 curr_lexer->m_comment_text += yytext; |
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698 } |
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699 |
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700 %{ |
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701 // Full-line or end-of-line comment. |
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702 %} |
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703 |
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704 {S}*{CCHAR}{ANY_EXCEPT_NL}*{NL} { |
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705 curr_lexer->lexer_debug ("{S}*{CCHAR}{ANY_EXCEPT_NL}*{NL}"); |
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706 |
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707 curr_lexer->push_start_state (LINE_COMMENT_START); |
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708 yyless (0); |
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709 } |
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|
710 |
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711 %{ |
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712 // Beginning of a block comment while we are looking at a series of |
5aad387784aa
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|
713 // line-oriented comments. Finish previous comment, push current |
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714 // text back on input stream, and switch start states. |
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715 |
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716 // NOTE: This pattern must appear before the one below. Both may match |
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717 // the same text and this one should take precedence over the one that |
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718 // follows. |
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719 %} |
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|
720 |
5aad387784aa
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|
721 <LINE_COMMENT_START>^{S}*{CCHAR}\{{S}*{NL} { |
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722 curr_lexer->lexer_debug ("<LINE_COMMENT_START>^{S}*{CCHAR}\\{{S}*{NL}"); |
5aad387784aa
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|
723 |
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724 if (! curr_lexer->m_comment_text.empty ()) |
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fix line count in lexer when mixing line and block comments (bug #57121)
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725 curr_lexer->finish_comment (octave::comment_elt::full_line); |
5aad387784aa
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|
726 |
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|
727 curr_lexer->pop_start_state (); |
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fix line count in lexer when mixing line and block comments (bug #57121)
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|
728 curr_lexer->push_start_state (BLOCK_COMMENT_START); |
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729 yyless (0); |
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730 } |
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|
731 |
5aad387784aa
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|
732 %{ |
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|
733 // Line-oriented comment. If we are at the beginning of a line, this is |
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734 // part of a series of full-line comments. Otherwise, this is an end of |
5aad387784aa
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|
735 // line comment. We don't need to parse the matched text to determine |
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|
736 // whether we are looking at the start of a block comment as that |
5aad387784aa
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737 // pattern is handled above. |
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|
738 |
5aad387784aa
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739 // NOTE: This pattern must appear before the one below. Both may match |
5aad387784aa
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740 // the same text and this one should take precedence over the one that |
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|
741 // follows. |
5aad387784aa
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changeset
|
742 %} |
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fix line count in lexer when mixing line and block comments (bug #57121)
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|
743 |
18311
b14cdae65abd
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|
744 <LINE_COMMENT_START>{S}*{CCHAR}{ANY_EXCEPT_NL}*{NL} { |
b14cdae65abd
prevent lexer from matching patterns across CR line endings (bug #41281)
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|
745 curr_lexer->lexer_debug ("<LINE_COMMENT_START>{S}*{CCHAR}{ANY_EXCEPT_NL}*{NL}"); |
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|
746 |
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|
747 // Grab text of comment without leading space or comment |
5aad387784aa
fix line count in lexer when mixing line and block comments (bug #57121)
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diff
changeset
|
748 // characters. |
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diff
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|
749 |
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changeset
|
750 size_t i = 0; |
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parents:
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diff
changeset
|
751 while (i < yyleng && is_space_or_tab (yytext[i])) |
5aad387784aa
fix line count in lexer when mixing line and block comments (bug #57121)
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|
752 i++; |
5aad387784aa
fix line count in lexer when mixing line and block comments (bug #57121)
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diff
changeset
|
753 |
5aad387784aa
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parents:
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diff
changeset
|
754 bool have_space = (i > 0); |
5aad387784aa
fix line count in lexer when mixing line and block comments (bug #57121)
John W. Eaton <jwe@octave.org>
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|
755 |
5aad387784aa
fix line count in lexer when mixing line and block comments (bug #57121)
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parents:
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diff
changeset
|
756 while (i < yyleng && (yytext[i] == '#' || yytext[i] == '%')) |
5aad387784aa
fix line count in lexer when mixing line and block comments (bug #57121)
John W. Eaton <jwe@octave.org>
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diff
changeset
|
757 i++; |
16363
d16c255299c0
recognize block comment begin while processing line comments (bug #38559)
John W. Eaton <jwe@octave.org>
parents:
16361
diff
changeset
|
758 |
24833
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24534
diff
changeset
|
759 curr_lexer->m_comment_text += &yytext[i]; |
16228
e19b1632d7c1
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|
760 |
27766
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
761 if (curr_lexer->m_filepos.column () == 1) |
16363
d16c255299c0
recognize block comment begin while processing line comments (bug #38559)
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16361
diff
changeset
|
762 { |
27766
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diff
changeset
|
763 curr_lexer->m_filepos.next_line (); |
16363
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diff
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|
764 } |
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recognize block comment begin while processing line comments (bug #38559)
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diff
changeset
|
765 else |
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|
766 { |
27578
5aad387784aa
fix line count in lexer when mixing line and block comments (bug #57121)
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|
767 // End of line comment. |
5aad387784aa
fix line count in lexer when mixing line and block comments (bug #57121)
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|
768 |
16255
12bf6a3f8c45
store more info in token value class
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parents:
16253
diff
changeset
|
769 if (have_space) |
12bf6a3f8c45
store more info in token value class
John W. Eaton <jwe@octave.org>
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16253
diff
changeset
|
770 curr_lexer->mark_previous_token_trailing_space (); |
12bf6a3f8c45
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
771 |
23750
ea879bc55272
move comment_list and comment_elt classes to octave namespace
John W. Eaton <jwe@octave.org>
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23730
diff
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|
772 curr_lexer->finish_comment (octave::comment_elt::end_of_line); |
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diff
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|
773 |
e19b1632d7c1
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parents:
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diff
changeset
|
774 curr_lexer->pop_start_state (); |
16337
6bfd8dbd7d3c
don't swallow statements that follow comment lines (bug #38549)
John W. Eaton <jwe@octave.org>
parents:
16334
diff
changeset
|
775 |
27578
5aad387784aa
fix line count in lexer when mixing line and block comments (bug #57121)
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changeset
|
776 // Push the newline character back on the input and skip |
5aad387784aa
fix line count in lexer when mixing line and block comments (bug #57121)
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|
777 // incrementing the line count so we don't have to duplicate |
5aad387784aa
fix line count in lexer when mixing line and block comments (bug #57121)
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|
778 // all the possible actions that happen with newlines here. |
5aad387784aa
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|
779 |
16337
6bfd8dbd7d3c
don't swallow statements that follow comment lines (bug #38549)
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parents:
16334
diff
changeset
|
780 curr_lexer->xunput ('\n'); |
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5aad387784aa
fix line count in lexer when mixing line and block comments (bug #57121)
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|
781 |
5aad387784aa
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diff
changeset
|
782 // The next action should recognize a newline character and set |
5aad387784aa
fix line count in lexer when mixing line and block comments (bug #57121)
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diff
changeset
|
783 // the input column back to 1, but we should try to keep the |
5aad387784aa
fix line count in lexer when mixing line and block comments (bug #57121)
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changeset
|
784 // input column location accurate anyway, so update here. |
27766
0ca7f17de041
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diff
changeset
|
785 curr_lexer->m_filepos.increment_column (yyleng); |
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|
786 } |
e19b1632d7c1
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diff
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|
787 } |
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diff
changeset
|
788 |
e19b1632d7c1
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diff
changeset
|
789 %{ |
27760
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parents:
27736
diff
changeset
|
790 // End of a series of full-line because some other character was |
16e83787f970
fix handling of full line comments at command prompt (bug #57208)
John W. Eaton <jwe@octave.org>
parents:
27736
diff
changeset
|
791 // found on the input stream. |
16228
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
792 %} |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
793 |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
794 <LINE_COMMENT_START>{ANY_INCLUDING_NL} { |
16229
7b7b1e4968e8
use functions instead of token return macros in lexer
John W. Eaton <jwe@octave.org>
parents:
16228
diff
changeset
|
795 curr_lexer->lexer_debug ("<LINE_COMMENT_START>{ANY_INCLUDING_NL}"); |
16228
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
796 |
27760
16e83787f970
fix handling of full line comments at command prompt (bug #57208)
John W. Eaton <jwe@octave.org>
parents:
27736
diff
changeset
|
797 // Restore all characters except the ASCII 1 marker that was |
16e83787f970
fix handling of full line comments at command prompt (bug #57208)
John W. Eaton <jwe@octave.org>
parents:
27736
diff
changeset
|
798 // inserted by push_lexer::fill_flex_buffer. |
16e83787f970
fix handling of full line comments at command prompt (bug #57208)
John W. Eaton <jwe@octave.org>
parents:
27736
diff
changeset
|
799 |
16e83787f970
fix handling of full line comments at command prompt (bug #57208)
John W. Eaton <jwe@octave.org>
parents:
27736
diff
changeset
|
800 if (yytext[0] != '\001') |
16e83787f970
fix handling of full line comments at command prompt (bug #57208)
John W. Eaton <jwe@octave.org>
parents:
27736
diff
changeset
|
801 curr_lexer->xunput (yytext[0]); |
16228
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
802 |
23750
ea879bc55272
move comment_list and comment_elt classes to octave namespace
John W. Eaton <jwe@octave.org>
parents:
23730
diff
changeset
|
803 curr_lexer->finish_comment (octave::comment_elt::full_line); |
16228
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
804 |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
805 curr_lexer->pop_start_state (); |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
806 } |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
807 |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
808 %{ |
27578
5aad387784aa
fix line count in lexer when mixing line and block comments (bug #57121)
John W. Eaton <jwe@octave.org>
parents:
27528
diff
changeset
|
809 // End of file will also end a series of full-line comments. |
17722
5b0036d89d4a
allow "help dir-name" to work when comment block ends at EOF (bug #40342)
John W. Eaton <jwe@octave.org>
parents:
17693
diff
changeset
|
810 %} |
5b0036d89d4a
allow "help dir-name" to work when comment block ends at EOF (bug #40342)
John W. Eaton <jwe@octave.org>
parents:
17693
diff
changeset
|
811 |
5b0036d89d4a
allow "help dir-name" to work when comment block ends at EOF (bug #40342)
John W. Eaton <jwe@octave.org>
parents:
17693
diff
changeset
|
812 <LINE_COMMENT_START><<EOF>> { |
5b0036d89d4a
allow "help dir-name" to work when comment block ends at EOF (bug #40342)
John W. Eaton <jwe@octave.org>
parents:
17693
diff
changeset
|
813 curr_lexer->lexer_debug ("<LINE_COMMENT_START><<EOF>>"); |
5b0036d89d4a
allow "help dir-name" to work when comment block ends at EOF (bug #40342)
John W. Eaton <jwe@octave.org>
parents:
17693
diff
changeset
|
814 |
23750
ea879bc55272
move comment_list and comment_elt classes to octave namespace
John W. Eaton <jwe@octave.org>
parents:
23730
diff
changeset
|
815 curr_lexer->finish_comment (octave::comment_elt::full_line); |
17722
5b0036d89d4a
allow "help dir-name" to work when comment block ends at EOF (bug #40342)
John W. Eaton <jwe@octave.org>
parents:
17693
diff
changeset
|
816 |
5b0036d89d4a
allow "help dir-name" to work when comment block ends at EOF (bug #40342)
John W. Eaton <jwe@octave.org>
parents:
17693
diff
changeset
|
817 curr_lexer->pop_start_state (); |
5b0036d89d4a
allow "help dir-name" to work when comment block ends at EOF (bug #40342)
John W. Eaton <jwe@octave.org>
parents:
17693
diff
changeset
|
818 } |
5b0036d89d4a
allow "help dir-name" to work when comment block ends at EOF (bug #40342)
John W. Eaton <jwe@octave.org>
parents:
17693
diff
changeset
|
819 |
5b0036d89d4a
allow "help dir-name" to work when comment block ends at EOF (bug #40342)
John W. Eaton <jwe@octave.org>
parents:
17693
diff
changeset
|
820 %{ |
16898
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
821 // Double-quoted character strings. |
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
822 %} |
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
823 |
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
824 <DQ_STRING_START>\"\" { |
16903
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
825 curr_lexer->lexer_debug ("<DQ_STRING_START>\\\"\\\""); |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
826 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
827 curr_lexer->m_filepos.increment_column (yyleng); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
828 curr_lexer->m_string_text += '"'; |
16898
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
829 } |
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
830 |
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
831 <DQ_STRING_START>\" { |
16903
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
832 curr_lexer->lexer_debug ("<DQ_STRING_START>\\\""); |
16898
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
833 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
834 curr_lexer->m_filepos.increment_column (); |
16904
f29dd5a7591d
more tweaks for parsing character strings
John W. Eaton <jwe@octave.org>
parents:
16903
diff
changeset
|
835 |
16898
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
836 curr_lexer->pop_start_state (); |
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
837 |
18224
615fdd2238c1
improve compatibility of command syntax parsing (bug #41032)
Michael C. Grant <mcg@cvxr.com>
parents:
18139
diff
changeset
|
838 if (curr_lexer->start_state() != COMMAND_START) |
615fdd2238c1
improve compatibility of command syntax parsing (bug #41032)
Michael C. Grant <mcg@cvxr.com>
parents:
18139
diff
changeset
|
839 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
840 curr_lexer->m_looking_for_object_index = true; |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
841 curr_lexer->m_at_beginning_of_statement = false; |
18224
615fdd2238c1
improve compatibility of command syntax parsing (bug #41032)
Michael C. Grant <mcg@cvxr.com>
parents:
18139
diff
changeset
|
842 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
23061
diff
changeset
|
843 curr_lexer->push_token (new octave::token (DQ_STRING, |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
844 curr_lexer->m_string_text, |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
845 curr_lexer->m_beg_string, |
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
846 curr_lexer->m_filepos)); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
847 |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
848 curr_lexer->m_string_text = ""; |
18224
615fdd2238c1
improve compatibility of command syntax parsing (bug #41032)
Michael C. Grant <mcg@cvxr.com>
parents:
18139
diff
changeset
|
849 |
615fdd2238c1
improve compatibility of command syntax parsing (bug #41032)
Michael C. Grant <mcg@cvxr.com>
parents:
18139
diff
changeset
|
850 return curr_lexer->count_token_internal (DQ_STRING); |
615fdd2238c1
improve compatibility of command syntax parsing (bug #41032)
Michael C. Grant <mcg@cvxr.com>
parents:
18139
diff
changeset
|
851 } |
16898
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
852 } |
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
853 |
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
854 <DQ_STRING_START>\\[0-7]{1,3} { |
16903
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
855 curr_lexer->lexer_debug ("<DQ_STRING_START>\\\\[0-7]{1,3}"); |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
856 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
857 curr_lexer->m_filepos.increment_column (yyleng); |
16904
f29dd5a7591d
more tweaks for parsing character strings
John W. Eaton <jwe@octave.org>
parents:
16903
diff
changeset
|
858 |
26450
af7faef288ad
lex.ll: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents:
26376
diff
changeset
|
859 unsigned int result; |
16898
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
860 sscanf (yytext+1, "%o", &result); |
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
861 |
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
862 if (result > 0xff) |
21064
a9f2c2d72892
handle lexical errors as parser errors (bug #46877)
John W. Eaton <jwe@octave.org>
parents:
21055
diff
changeset
|
863 { |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
23061
diff
changeset
|
864 octave::token *tok |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
23061
diff
changeset
|
865 = new octave::token (LEXICAL_ERROR, |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
23061
diff
changeset
|
866 "invalid octal escape sequence in character string", |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
867 curr_lexer->m_filepos, curr_lexer->m_filepos); |
21064
a9f2c2d72892
handle lexical errors as parser errors (bug #46877)
John W. Eaton <jwe@octave.org>
parents:
21055
diff
changeset
|
868 |
a9f2c2d72892
handle lexical errors as parser errors (bug #46877)
John W. Eaton <jwe@octave.org>
parents:
21055
diff
changeset
|
869 curr_lexer->push_token (tok); |
a9f2c2d72892
handle lexical errors as parser errors (bug #46877)
John W. Eaton <jwe@octave.org>
parents:
21055
diff
changeset
|
870 |
a9f2c2d72892
handle lexical errors as parser errors (bug #46877)
John W. Eaton <jwe@octave.org>
parents:
21055
diff
changeset
|
871 return curr_lexer->count_token_internal (LEXICAL_ERROR); |
a9f2c2d72892
handle lexical errors as parser errors (bug #46877)
John W. Eaton <jwe@octave.org>
parents:
21055
diff
changeset
|
872 } |
16898
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
873 else |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
874 curr_lexer->m_string_text += static_cast<unsigned char> (result); |
16898
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
875 } |
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
876 |
17244
9de751a10910
Add support for hexadecimal escape sequences in double-quoted strings (bug #39775)
Mike Miller <mtmiller@ieee.org>
parents:
16914
diff
changeset
|
877 <DQ_STRING_START>\\x[0-9a-fA-F]+ { |
9de751a10910
Add support for hexadecimal escape sequences in double-quoted strings (bug #39775)
Mike Miller <mtmiller@ieee.org>
parents:
16914
diff
changeset
|
878 curr_lexer->lexer_debug ("<DQ_STRING_START>\\\\x[0-9a-fA-F]+"); |
9de751a10910
Add support for hexadecimal escape sequences in double-quoted strings (bug #39775)
Mike Miller <mtmiller@ieee.org>
parents:
16914
diff
changeset
|
879 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
880 curr_lexer->m_filepos.increment_column (yyleng); |
17244
9de751a10910
Add support for hexadecimal escape sequences in double-quoted strings (bug #39775)
Mike Miller <mtmiller@ieee.org>
parents:
16914
diff
changeset
|
881 |
26450
af7faef288ad
lex.ll: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents:
26376
diff
changeset
|
882 unsigned int result; |
17244
9de751a10910
Add support for hexadecimal escape sequences in double-quoted strings (bug #39775)
Mike Miller <mtmiller@ieee.org>
parents:
16914
diff
changeset
|
883 sscanf (yytext+2, "%x", &result); |
9de751a10910
Add support for hexadecimal escape sequences in double-quoted strings (bug #39775)
Mike Miller <mtmiller@ieee.org>
parents:
16914
diff
changeset
|
884 |
9de751a10910
Add support for hexadecimal escape sequences in double-quoted strings (bug #39775)
Mike Miller <mtmiller@ieee.org>
parents:
16914
diff
changeset
|
885 // Truncate the value silently instead of checking the range like |
9de751a10910
Add support for hexadecimal escape sequences in double-quoted strings (bug #39775)
Mike Miller <mtmiller@ieee.org>
parents:
16914
diff
changeset
|
886 // we do for octal above. This is to match C/C++ where any number |
9de751a10910
Add support for hexadecimal escape sequences in double-quoted strings (bug #39775)
Mike Miller <mtmiller@ieee.org>
parents:
16914
diff
changeset
|
887 // of digits is allowed but the value is implementation-defined if |
9de751a10910
Add support for hexadecimal escape sequences in double-quoted strings (bug #39775)
Mike Miller <mtmiller@ieee.org>
parents:
16914
diff
changeset
|
888 // it exceeds the range of the character type. |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
889 curr_lexer->m_string_text += static_cast<unsigned char> (result); |
17244
9de751a10910
Add support for hexadecimal escape sequences in double-quoted strings (bug #39775)
Mike Miller <mtmiller@ieee.org>
parents:
16914
diff
changeset
|
890 } |
9de751a10910
Add support for hexadecimal escape sequences in double-quoted strings (bug #39775)
Mike Miller <mtmiller@ieee.org>
parents:
16914
diff
changeset
|
891 |
16903
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
892 <DQ_STRING_START>"\\a" { |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
893 curr_lexer->lexer_debug ("<DQ_STRING_START>\"\\\\a\""); |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
894 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
895 curr_lexer->m_filepos.increment_column (yyleng); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
896 curr_lexer->m_string_text += '\a'; |
16903
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
897 } |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
898 |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
899 <DQ_STRING_START>"\\b" { |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
900 curr_lexer->lexer_debug ("<DQ_STRING_START>\"\\\\b\""); |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
901 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
902 curr_lexer->m_filepos.increment_column (yyleng); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
903 curr_lexer->m_string_text += '\b'; |
16903
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
904 } |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
905 |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
906 <DQ_STRING_START>"\\f" { |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
907 curr_lexer->lexer_debug ("<DQ_STRING_START>\"\\\\f\""); |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
908 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
909 curr_lexer->m_filepos.increment_column (yyleng); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
910 curr_lexer->m_string_text += '\f'; |
16903
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
911 } |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
912 |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
913 <DQ_STRING_START>"\\n" { |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
914 curr_lexer->lexer_debug ("<DQ_STRING_START>\"\\\\n\""); |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
915 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
916 curr_lexer->m_filepos.increment_column (yyleng); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
917 curr_lexer->m_string_text += '\n'; |
16903
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
918 } |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
919 |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
920 <DQ_STRING_START>"\\r" { |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
921 curr_lexer->lexer_debug ("<DQ_STRING_START>\"\\\\r\""); |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
922 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
923 curr_lexer->m_filepos.increment_column (yyleng); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
924 curr_lexer->m_string_text += '\r'; |
16903
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
925 } |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
926 |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
927 <DQ_STRING_START>"\\t" { |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
928 curr_lexer->lexer_debug ("<DQ_STRING_START>\"\\\\t\""); |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
929 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
930 curr_lexer->m_filepos.increment_column (yyleng); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
931 curr_lexer->m_string_text += '\t'; |
16903
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
932 } |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
933 |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
934 <DQ_STRING_START>"\\v" { |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
935 curr_lexer->lexer_debug ("<DQ_STRING_START>\"\\\\v\""); |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
936 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
937 curr_lexer->m_filepos.increment_column (yyleng); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
938 curr_lexer->m_string_text += '\v'; |
16903
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
939 } |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
940 |
18428
4d2e15abe5e7
Disallow comments after continuation in double-quoted strings (bug #41415).
Stefan Mahr <dac922@gmx.de>
parents:
18319
diff
changeset
|
941 <DQ_STRING_START>(\.\.\.){S}*{NL} { |
4d2e15abe5e7
Disallow comments after continuation in double-quoted strings (bug #41415).
Stefan Mahr <dac922@gmx.de>
parents:
18319
diff
changeset
|
942 curr_lexer->lexer_debug ("<DQ_STRING_START>(\\.\\.\\.){S}*{NL}"); |
16914
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
943 |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
944 static const char *msg = "'...' continuations in double-quoted character strings are obsolete and will not be allowed in a future version of Octave; please use '\\' instead"; |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
945 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
946 std::string nm = curr_lexer->m_fcn_file_full_name; |
16914
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
947 |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
948 if (nm.empty ()) |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
949 warning_with_id ("Octave:deprecated-syntax", "%s", msg); |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
950 else |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
951 warning_with_id ("Octave:deprecated-syntax", |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
952 "%s; near line %d of file '%s'", msg, |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
953 curr_lexer->m_filepos.line (), nm.c_str ()); |
16914
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
954 |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
955 HANDLE_STRING_CONTINUATION; |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
956 } |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
957 |
18428
4d2e15abe5e7
Disallow comments after continuation in double-quoted strings (bug #41415).
Stefan Mahr <dac922@gmx.de>
parents:
18319
diff
changeset
|
958 <DQ_STRING_START>\\{S}+{NL} { |
4d2e15abe5e7
Disallow comments after continuation in double-quoted strings (bug #41415).
Stefan Mahr <dac922@gmx.de>
parents:
18319
diff
changeset
|
959 curr_lexer->lexer_debug ("<DQ_STRING_START>\\\\{S}+{NL}"); |
16914
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
960 |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
961 static const char *msg = "white space and comments after continuation markers in double-quoted character strings are obsolete and will not be allowed in a future version of Octave"; |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
962 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
963 std::string nm = curr_lexer->m_fcn_file_full_name; |
16914
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
964 |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
965 if (nm.empty ()) |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
966 warning_with_id ("Octave:deprecated-syntax", "%s", msg); |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
967 else |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
968 warning_with_id ("Octave:deprecated-syntax", |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
969 "%s; near line %d of file '%s'", msg, |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
970 curr_lexer->m_filepos.line (), nm.c_str ()); |
16914
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
971 |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
972 HANDLE_STRING_CONTINUATION; |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
973 } |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
974 |
16903
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
975 <DQ_STRING_START>\\{NL} { |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
976 curr_lexer->lexer_debug ("<DQ_STRING_START>\\\\{NL}"); |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
977 |
16914
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
978 HANDLE_STRING_CONTINUATION; |
16903
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
979 } |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
980 |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
981 <DQ_STRING_START>\\. { |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
982 curr_lexer->lexer_debug ("<DQ_STRING_START>\\\\."); |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
983 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
984 curr_lexer->m_filepos.increment_column (yyleng); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
985 curr_lexer->m_string_text += yytext[1]; |
16898
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
986 } |
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
987 |
16914
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
988 <DQ_STRING_START>\. { |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
989 curr_lexer->lexer_debug ("<DQ_STRING_START>\\."); |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
990 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
991 curr_lexer->m_filepos.increment_column (); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
992 curr_lexer->m_string_text += yytext[0]; |
16914
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
993 } |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
994 |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
995 <DQ_STRING_START>[^\.\\\r\n\"]+ { |
bc12849bb6cc
deprecate ... and whitespace/comments after continuation markers in strings
John W. Eaton <jwe@octave.org>
parents:
16904
diff
changeset
|
996 curr_lexer->lexer_debug ("<DQ_STRING_START>[^\\.\\\\\\r\\n\\\"]+"); |
16903
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
997 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
998 curr_lexer->m_filepos.increment_column (yyleng); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
999 curr_lexer->m_string_text += yytext; |
16898
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
1000 } |
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
1001 |
16903
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
1002 <DQ_STRING_START>{NL} { |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
1003 curr_lexer->lexer_debug ("<DQ_STRING_START>{NL}"); |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
1004 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
23061
diff
changeset
|
1005 octave::token *tok |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
23061
diff
changeset
|
1006 = new octave::token (LEXICAL_ERROR, |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
23061
diff
changeset
|
1007 "unterminated character string constant", |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
1008 curr_lexer->m_filepos, curr_lexer->m_filepos); |
21064
a9f2c2d72892
handle lexical errors as parser errors (bug #46877)
John W. Eaton <jwe@octave.org>
parents:
21055
diff
changeset
|
1009 |
a9f2c2d72892
handle lexical errors as parser errors (bug #46877)
John W. Eaton <jwe@octave.org>
parents:
21055
diff
changeset
|
1010 curr_lexer->push_token (tok); |
a9f2c2d72892
handle lexical errors as parser errors (bug #46877)
John W. Eaton <jwe@octave.org>
parents:
21055
diff
changeset
|
1011 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
1012 curr_lexer->m_filepos.next_line (); |
16903
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
1013 |
21064
a9f2c2d72892
handle lexical errors as parser errors (bug #46877)
John W. Eaton <jwe@octave.org>
parents:
21055
diff
changeset
|
1014 return curr_lexer->count_token_internal (LEXICAL_ERROR); |
16903
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
1015 } |
f21194531877
improve character string handling in the lexer
John W. Eaton <jwe@octave.org>
parents:
16898
diff
changeset
|
1016 |
16898
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
1017 %{ |
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
1018 // Single-quoted character strings. |
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
|
1019 %} |
531473481084
rewrite string parsing to avoid unlimited lookahead
John W. Eaton <jwe@octave.org>
parents:
16788
diff
changeset
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1020 |
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1021 <SQ_STRING_START>\'\' { |
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1022 curr_lexer->lexer_debug ("<SQ_STRING_START>\\'\\'"); |
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1023 |
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1024 curr_lexer->m_filepos.increment_column (yyleng); |
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1025 curr_lexer->m_string_text += '\''; |
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1026 } |
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|
1027 |
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1028 <SQ_STRING_START>\' { |
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1029 curr_lexer->lexer_debug ("<SQ_STRING_START>\\'"); |
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1030 |
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1031 curr_lexer->m_filepos.increment_column (); |
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|
1032 |
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1033 curr_lexer->pop_start_state (); |
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1034 |
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|
1035 if (curr_lexer->start_state() != COMMAND_START) |
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|
1036 { |
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|
1037 curr_lexer->m_looking_for_object_index = true; |
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1038 curr_lexer->m_at_beginning_of_statement = false; |
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|
1039 |
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|
1040 curr_lexer->push_token (new octave::token (SQ_STRING, |
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1041 curr_lexer->m_string_text, |
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1042 curr_lexer->m_beg_string, |
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1043 curr_lexer->m_filepos)); |
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1044 |
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|
1045 curr_lexer->m_string_text = ""; |
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1046 |
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1047 return curr_lexer->count_token_internal (SQ_STRING); |
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1048 } |
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|
1049 } |
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|
1050 |
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1051 <SQ_STRING_START>[^\'\n\r]+ { |
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|
1052 curr_lexer->lexer_debug ("<SQ_STRING_START>[^\\'\\n\\r]+"); |
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1053 |
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|
1054 curr_lexer->m_filepos.increment_column (yyleng); |
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|
1055 curr_lexer->m_string_text += yytext; |
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1056 } |
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|
1057 |
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|
1058 <SQ_STRING_START>{NL} { |
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|
1059 curr_lexer->lexer_debug ("<SQ_STRING_START>{NL}"); |
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1060 |
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1061 octave::token *tok |
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|
1062 = new octave::token (LEXICAL_ERROR, |
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|
1063 "unterminated character string constant", |
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1064 curr_lexer->m_filepos, curr_lexer->m_filepos); |
21064
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1065 |
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1066 curr_lexer->push_token (tok); |
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1067 |
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1068 curr_lexer->m_filepos.next_line (); |
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|
1069 |
21064
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1070 return curr_lexer->count_token_internal (LEXICAL_ERROR); |
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1071 } |
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1072 |
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1073 %{ |
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1074 // Fully-qualified identifiers (used for classdef). |
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|
1075 %} |
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|
1076 |
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|
1077 <FQ_IDENT_START>{FQIDENT} { |
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|
1078 curr_lexer->lexer_debug ("<FQ_IDENT_START>{FQIDENT}{S}*"); |
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1079 |
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1080 curr_lexer->pop_start_state (); |
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|
1081 |
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|
1082 int id_tok = curr_lexer->handle_fq_identifier (); |
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1083 |
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|
1084 if (id_tok >= 0) |
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|
1085 { |
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diff
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|
1086 curr_lexer->m_looking_for_object_index = true; |
18520
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|
1087 |
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|
1088 return curr_lexer->count_token_internal (id_tok); |
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|
1089 } |
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|
1090 } |
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|
1091 |
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|
1092 <FQ_IDENT_START>{S}+ { |
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|
1093 curr_lexer->lexer_debug ("<FQ_IDENT_START>{S}+"); |
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|
1094 |
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|
1095 curr_lexer->m_filepos.increment_column (yyleng); |
18520
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|
1096 |
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|
1097 curr_lexer->mark_previous_token_trailing_space (); |
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|
1098 } |
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|
1099 |
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1100 <FQ_IDENT_START>(\.\.\.){ANY_EXCEPT_NL}*{NL} { |
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1101 curr_lexer->lexer_debug ("<FQ_IDENT_START>(\\.\\.\\.){ANY_EXCEPT_NL}*{NL}"); |
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1102 |
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1103 curr_lexer->m_filepos.next_line (); |
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|
1104 } |
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|
1105 |
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|
1106 <FQ_IDENT_START>{ANY_INCLUDING_NL} { |
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|
1107 curr_lexer->lexer_debug ("<FQ_IDENT_START>{ANY_INCLUDING_NL}"); |
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1108 |
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|
1109 // If input doesn't match FQIDENT, return char and go to previous |
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1110 // start state. |
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1111 |
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|
1112 yyless (0); |
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|
1113 curr_lexer->pop_start_state (); |
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1114 } |
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1115 |
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|
1116 %{ |
968 | 1117 // Imaginary numbers. |
1118 %} | |
1119 | |
1120 {NUMBER}{Im} { | |
16229
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|
1121 curr_lexer->lexer_debug ("{NUMBER}{Im}"); |
8535 | 1122 |
16361
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1123 if (curr_lexer->previous_token_may_be_command () |
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1124 && curr_lexer->space_follows_previous_token ()) |
16257
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|
1125 { |
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|
1126 yyless (0); |
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|
1127 curr_lexer->push_start_state (COMMAND_START); |
16257
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|
1128 } |
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|
1129 else |
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|
1130 { |
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1131 int tok = curr_lexer->previous_token_value (); |
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1132 |
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|
1133 if (curr_lexer->whitespace_is_significant () |
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1134 && curr_lexer->space_follows_previous_token () |
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1135 && ! (tok == '[' || tok == '{' |
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1136 || curr_lexer->previous_token_is_binop ())) |
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|
1137 { |
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|
1138 yyless (0); |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1139 unput (','); |
25708
ca38400776bc
track column count in lexer in a few more places (bug #34852)
John W. Eaton <jwe@octave.org>
parents:
25646
diff
changeset
|
1140 // Adjust for comma that was not really in the input stream. |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
1141 curr_lexer->m_filepos.decrement_column (); |
16361
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1142 } |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1143 else |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1144 { |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1145 curr_lexer->handle_number (); |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1146 return curr_lexer->count_token_internal (IMAG_NUM); |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1147 } |
16257
db7f07b22b9b
1/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16255
diff
changeset
|
1148 } |
968 | 1149 } |
1150 | |
1151 %{ | |
15466
d174210ce1ec
use ' instead of ` in error messages, warnings and most comments
John W. Eaton <jwe@octave.org>
parents:
14161
diff
changeset
|
1152 // Real numbers. Don't grab the '.' part of a dot operator as part of |
968 | 1153 // the constant. |
1154 %} | |
1155 | |
20588
e34692daf663
Extend parser to accept '_' in numbers.
Rik <rik@octave.org>
parents:
20547
diff
changeset
|
1156 {D}{D_}*/\.[\*/\\^\'] | |
968 | 1157 {NUMBER} { |
20588
e34692daf663
Extend parser to accept '_' in numbers.
Rik <rik@octave.org>
parents:
20547
diff
changeset
|
1158 curr_lexer->lexer_debug ("{D}{D_}*/\\.[\\*/\\\\^\\']|{NUMBER}"); |
16257
db7f07b22b9b
1/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16255
diff
changeset
|
1159 |
16361
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1160 if (curr_lexer->previous_token_may_be_command () |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1161 && curr_lexer->space_follows_previous_token ()) |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1162 { |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1163 yyless (0); |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1164 curr_lexer->push_start_state (COMMAND_START); |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1165 } |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1166 else |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1167 { |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1168 int tok = curr_lexer->previous_token_value (); |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1169 |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1170 if (curr_lexer->whitespace_is_significant () |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1171 && curr_lexer->space_follows_previous_token () |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1172 && ! (tok == '[' || tok == '{' |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1173 || curr_lexer->previous_token_is_binop ())) |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1174 { |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1175 yyless (0); |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1176 unput (','); |
25708
ca38400776bc
track column count in lexer in a few more places (bug #34852)
John W. Eaton <jwe@octave.org>
parents:
25646
diff
changeset
|
1177 // Adjust for comma that was not really in the input stream. |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
1178 curr_lexer->m_filepos.decrement_column (); |
16361
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1179 } |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1180 else |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1181 { |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1182 curr_lexer->handle_number (); |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1183 return curr_lexer->count_token_internal (NUM); |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1184 } |
e1dcd834751f
and foo NUMBER as command syntax (bug #38565)
John W. Eaton <jwe@octave.org>
parents:
16360
diff
changeset
|
1185 } |
968 | 1186 } |
1187 | |
1188 %{ | |
1189 // Eat whitespace. Whitespace inside matrix constants is handled by | |
4208 | 1190 // the <MATRIX_START> start state code above. |
968 | 1191 %} |
1192 | |
16363
d16c255299c0
recognize block comment begin while processing line comments (bug #38559)
John W. Eaton <jwe@octave.org>
parents:
16361
diff
changeset
|
1193 {S}+ { |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
1194 curr_lexer->m_filepos.increment_column (yyleng); |
16255
12bf6a3f8c45
store more info in token value class
John W. Eaton <jwe@octave.org>
parents:
16253
diff
changeset
|
1195 |
12bf6a3f8c45
store more info in token value class
John W. Eaton <jwe@octave.org>
parents:
16253
diff
changeset
|
1196 curr_lexer->mark_previous_token_trailing_space (); |
967 | 1197 } |
1198 | |
968 | 1199 %{ |
17247
e993fa124b46
Deprecate \ as continuation marker outside of double-quoted character strings.
John W. Eaton <jwe@octave.org>
parents:
17246
diff
changeset
|
1200 // Continuation lines. Allow arbitrary text after continuations. |
e993fa124b46
Deprecate \ as continuation marker outside of double-quoted character strings.
John W. Eaton <jwe@octave.org>
parents:
17246
diff
changeset
|
1201 %} |
e993fa124b46
Deprecate \ as continuation marker outside of double-quoted character strings.
John W. Eaton <jwe@octave.org>
parents:
17246
diff
changeset
|
1202 |
18311
b14cdae65abd
prevent lexer from matching patterns across CR line endings (bug #41281)
John W. Eaton <jwe@octave.org>
parents:
18246
diff
changeset
|
1203 \.\.\.{ANY_EXCEPT_NL}*{NL} { |
b14cdae65abd
prevent lexer from matching patterns across CR line endings (bug #41281)
John W. Eaton <jwe@octave.org>
parents:
18246
diff
changeset
|
1204 curr_lexer->lexer_debug ("\\.\\.\\.{ANY_EXCEPT_NL}*{NL}"); |
17247
e993fa124b46
Deprecate \ as continuation marker outside of double-quoted character strings.
John W. Eaton <jwe@octave.org>
parents:
17246
diff
changeset
|
1205 |
e993fa124b46
Deprecate \ as continuation marker outside of double-quoted character strings.
John W. Eaton <jwe@octave.org>
parents:
17246
diff
changeset
|
1206 curr_lexer->handle_continuation (); |
e993fa124b46
Deprecate \ as continuation marker outside of double-quoted character strings.
John W. Eaton <jwe@octave.org>
parents:
17246
diff
changeset
|
1207 } |
e993fa124b46
Deprecate \ as continuation marker outside of double-quoted character strings.
John W. Eaton <jwe@octave.org>
parents:
17246
diff
changeset
|
1208 |
e993fa124b46
Deprecate \ as continuation marker outside of double-quoted character strings.
John W. Eaton <jwe@octave.org>
parents:
17246
diff
changeset
|
1209 %{ |
e993fa124b46
Deprecate \ as continuation marker outside of double-quoted character strings.
John W. Eaton <jwe@octave.org>
parents:
17246
diff
changeset
|
1210 // Deprecated C preprocessor style continuation markers. |
968 | 1211 %} |
1212 | |
17246
8be8a65d3ca8
Ignore anything after the continuation marker '...' (bug #38653)
Stefan Mahr <dac922@gmx.de>
parents:
17244
diff
changeset
|
1213 \\{S}*{NL} | |
18311
b14cdae65abd
prevent lexer from matching patterns across CR line endings (bug #41281)
John W. Eaton <jwe@octave.org>
parents:
18246
diff
changeset
|
1214 \\{S}*{CCHAR}{ANY_EXCEPT_NL}*{NL} { |
b14cdae65abd
prevent lexer from matching patterns across CR line endings (bug #41281)
John W. Eaton <jwe@octave.org>
parents:
18246
diff
changeset
|
1215 curr_lexer->lexer_debug ("\\\\{S}*{NL}|\\\\{S}*{CCHAR}{ANY_EXCEPT_NL}*{NL}"); |
17247
e993fa124b46
Deprecate \ as continuation marker outside of double-quoted character strings.
John W. Eaton <jwe@octave.org>
parents:
17246
diff
changeset
|
1216 |
22505
7bdc80232cdc
Expand warning for '\' continuation marker to recommend "..." (bug #48810).
Rik <rik@octave.org>
parents:
22323
diff
changeset
|
1217 static const char *msg = "using continuation marker \\ outside of double quoted strings is deprecated and will be removed from a future version of Octave, use ... instead"; |
17247
e993fa124b46
Deprecate \ as continuation marker outside of double-quoted character strings.
John W. Eaton <jwe@octave.org>
parents:
17246
diff
changeset
|
1218 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
1219 std::string nm = curr_lexer->m_fcn_file_full_name; |
17247
e993fa124b46
Deprecate \ as continuation marker outside of double-quoted character strings.
John W. Eaton <jwe@octave.org>
parents:
17246
diff
changeset
|
1220 |
e993fa124b46
Deprecate \ as continuation marker outside of double-quoted character strings.
John W. Eaton <jwe@octave.org>
parents:
17246
diff
changeset
|
1221 if (nm.empty ()) |
e993fa124b46
Deprecate \ as continuation marker outside of double-quoted character strings.
John W. Eaton <jwe@octave.org>
parents:
17246
diff
changeset
|
1222 warning_with_id ("Octave:deprecated-syntax", "%s", msg); |
e993fa124b46
Deprecate \ as continuation marker outside of double-quoted character strings.
John W. Eaton <jwe@octave.org>
parents:
17246
diff
changeset
|
1223 else |
e993fa124b46
Deprecate \ as continuation marker outside of double-quoted character strings.
John W. Eaton <jwe@octave.org>
parents:
17246
diff
changeset
|
1224 warning_with_id ("Octave:deprecated-syntax", |
e993fa124b46
Deprecate \ as continuation marker outside of double-quoted character strings.
John W. Eaton <jwe@octave.org>
parents:
17246
diff
changeset
|
1225 "%s; near line %d of file '%s'", msg, |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
1226 curr_lexer->m_filepos.line (), nm.c_str ()); |
17343
6470a113eae2
correctly handle deprecated \ continuation markers
John W. Eaton <jwe@octave.org>
parents:
17247
diff
changeset
|
1227 |
6470a113eae2
correctly handle deprecated \ continuation markers
John W. Eaton <jwe@octave.org>
parents:
17247
diff
changeset
|
1228 curr_lexer->handle_continuation (); |
967 | 1229 } |
1 | 1230 |
968 | 1231 %{ |
1232 // End of file. | |
1233 %} | |
1234 | |
967 | 1235 <<EOF>> { |
16164
c5bfdc4c0963
move end_of_input flag from octve_parser class to octave_lexer class
John W. Eaton <jwe@octave.org>
parents:
16158
diff
changeset
|
1236 return curr_lexer->handle_end_of_input (); |
967 | 1237 } |
1 | 1238 |
968 | 1239 %{ |
16259
0b5ab09dfce4
2/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16257
diff
changeset
|
1240 // Identifiers. |
18394
fc0ce9eb9d82
don't allow get and set followed by "(" to be recognized as keywords.
John W. Eaton <jwe@octave.org>
parents:
18341
diff
changeset
|
1241 |
fc0ce9eb9d82
don't allow get and set followed by "(" to be recognized as keywords.
John W. Eaton <jwe@octave.org>
parents:
18341
diff
changeset
|
1242 // Don't allow get and set to be recognized as keywords if they are |
fc0ce9eb9d82
don't allow get and set followed by "(" to be recognized as keywords.
John W. Eaton <jwe@octave.org>
parents:
18341
diff
changeset
|
1243 // followed by "(". |
968 | 1244 %} |
1245 | |
21705
764e586dca4b
Avoid use of REJECT in parser (bug #45947).
Rik <rik@octave.org>
parents:
21635
diff
changeset
|
1246 (set|get){S}*\( { |
21722
fb5dd9f7d697
* oct-parse.in.yy: Correct pattern string in call to HANDLE_IDENTIFIER.
John W. Eaton <jwe@octave.org>
parents:
21705
diff
changeset
|
1247 HANDLE_IDENTIFIER ("(set|get){S}*\\(", true); |
18394
fc0ce9eb9d82
don't allow get and set followed by "(" to be recognized as keywords.
John W. Eaton <jwe@octave.org>
parents:
18341
diff
changeset
|
1248 } |
fc0ce9eb9d82
don't allow get and set followed by "(" to be recognized as keywords.
John W. Eaton <jwe@octave.org>
parents:
18341
diff
changeset
|
1249 |
16257
db7f07b22b9b
1/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16255
diff
changeset
|
1250 {IDENT} { |
18394
fc0ce9eb9d82
don't allow get and set followed by "(" to be recognized as keywords.
John W. Eaton <jwe@octave.org>
parents:
18341
diff
changeset
|
1251 HANDLE_IDENTIFIER ("{IDENT}", false); |
967 | 1252 } |
1 | 1253 |
968 | 1254 %{ |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1255 // Superclass method identifiers. |
9476 | 1256 %} |
1257 | |
26708
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
1258 {FQIDENT}{S}*@{S}*{FQIDENT} { |
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
1259 curr_lexer->lexer_debug ("{FQIDENT}{S}*@{S}*{FQIDENT}"); |
9476 | 1260 |
16680
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1261 if (curr_lexer->previous_token_may_be_command ()) |
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1262 { |
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1263 yyless (0); |
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1264 curr_lexer->push_start_state (COMMAND_START); |
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1265 } |
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1266 else |
9476 | 1267 { |
26899
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1268 if (curr_lexer->m_at_beginning_of_statement) |
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1269 { |
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1270 std::string txt = yytext; |
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1271 |
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1272 size_t at_or_dot_pos = txt.find_first_of ("@."); |
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1273 |
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1274 if (at_or_dot_pos != std::string::npos) |
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1275 { |
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1276 size_t spc_pos = txt.find_first_of (" \t"); |
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1277 |
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1278 if (spc_pos != std::string::npos && spc_pos < at_or_dot_pos) |
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1279 { |
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1280 yyless (spc_pos); |
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1281 return curr_lexer->handle_identifier (); |
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1282 } |
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1283 } |
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1284 } |
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1285 |
16680
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1286 int id_tok = curr_lexer->handle_superclass_identifier (); |
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1287 |
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1288 if (id_tok >= 0) |
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1289 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
1290 curr_lexer->m_looking_for_object_index = true; |
26899
236d8f52cbb3
identify "x .foo@bar" or "x @foo" as command syntax (bug #55891)
John W. Eaton <jwe@octave.org>
parents:
26740
diff
changeset
|
1291 curr_lexer->m_at_beginning_of_statement = false; |
16680
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1292 |
16683
e1c6ad54259f
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
1293 return curr_lexer->count_token_internal (id_tok); |
16680
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1294 } |
9476 | 1295 } |
1296 } | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1297 |
9476 | 1298 %{ |
1299 // Metaclass query | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1300 %} |
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1301 |
26708
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
1302 \?{S}*{FQIDENT} { |
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
1303 curr_lexer->lexer_debug ("\\?{S}*{FQIDENT}"); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1304 |
16680
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1305 if (curr_lexer->previous_token_may_be_command () |
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1306 && curr_lexer->space_follows_previous_token ()) |
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1307 { |
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1308 yyless (0); |
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1309 curr_lexer->push_start_state (COMMAND_START); |
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1310 } |
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1311 else |
9476 | 1312 { |
16680
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1313 int id_tok = curr_lexer->handle_meta_identifier (); |
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1314 |
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1315 if (id_tok >= 0) |
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1316 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
1317 curr_lexer->m_looking_for_object_index = true; |
16680
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1318 |
16683
e1c6ad54259f
maint: periodic merge of default to classdef
John W. Eaton <jwe@octave.org>
diff
changeset
|
1319 return curr_lexer->count_token_internal (id_tok); |
16680
de79cdbbdf7c
improve parsing of commands
John W. Eaton <jwe@octave.org>
parents:
16643
diff
changeset
|
1320 } |
9476 | 1321 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1322 } |
9476 | 1323 |
26740
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1324 \@ | |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1325 \@{S}*{FQIDENT} { |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1326 curr_lexer->lexer_debug ("\\@|\\@{S}*{FQIDENT}"); |
18492
e4c319ed2414
Fix regression, allow space-separated cell array of function handles (bug #41569)
Mike Miller <mtmiller@ieee.org>
parents:
18428
diff
changeset
|
1327 |
16334
06aa4c0f2018
handle foo @... as command syntax
John W. Eaton <jwe@octave.org>
parents:
16325
diff
changeset
|
1328 if (curr_lexer->previous_token_may_be_command () |
06aa4c0f2018
handle foo @... as command syntax
John W. Eaton <jwe@octave.org>
parents:
16325
diff
changeset
|
1329 && curr_lexer->space_follows_previous_token ()) |
06aa4c0f2018
handle foo @... as command syntax
John W. Eaton <jwe@octave.org>
parents:
16325
diff
changeset
|
1330 { |
06aa4c0f2018
handle foo @... as command syntax
John W. Eaton <jwe@octave.org>
parents:
16325
diff
changeset
|
1331 yyless (0); |
06aa4c0f2018
handle foo @... as command syntax
John W. Eaton <jwe@octave.org>
parents:
16325
diff
changeset
|
1332 curr_lexer->push_start_state (COMMAND_START); |
06aa4c0f2018
handle foo @... as command syntax
John W. Eaton <jwe@octave.org>
parents:
16325
diff
changeset
|
1333 } |
06aa4c0f2018
handle foo @... as command syntax
John W. Eaton <jwe@octave.org>
parents:
16325
diff
changeset
|
1334 else |
06aa4c0f2018
handle foo @... as command syntax
John W. Eaton <jwe@octave.org>
parents:
16325
diff
changeset
|
1335 { |
26740
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1336 int tok_val = curr_lexer->previous_token_value (); |
18492
e4c319ed2414
Fix regression, allow space-separated cell array of function handles (bug #41569)
Mike Miller <mtmiller@ieee.org>
parents:
18428
diff
changeset
|
1337 |
e4c319ed2414
Fix regression, allow space-separated cell array of function handles (bug #41569)
Mike Miller <mtmiller@ieee.org>
parents:
18428
diff
changeset
|
1338 if (curr_lexer->whitespace_is_significant () |
e4c319ed2414
Fix regression, allow space-separated cell array of function handles (bug #41569)
Mike Miller <mtmiller@ieee.org>
parents:
18428
diff
changeset
|
1339 && curr_lexer->space_follows_previous_token () |
26740
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1340 && ! (tok_val == '[' || tok_val == '{' |
18492
e4c319ed2414
Fix regression, allow space-separated cell array of function handles (bug #41569)
Mike Miller <mtmiller@ieee.org>
parents:
18428
diff
changeset
|
1341 || curr_lexer->previous_token_is_binop ())) |
e4c319ed2414
Fix regression, allow space-separated cell array of function handles (bug #41569)
Mike Miller <mtmiller@ieee.org>
parents:
18428
diff
changeset
|
1342 { |
e4c319ed2414
Fix regression, allow space-separated cell array of function handles (bug #41569)
Mike Miller <mtmiller@ieee.org>
parents:
18428
diff
changeset
|
1343 yyless (0); |
e4c319ed2414
Fix regression, allow space-separated cell array of function handles (bug #41569)
Mike Miller <mtmiller@ieee.org>
parents:
18428
diff
changeset
|
1344 unput (','); |
25708
ca38400776bc
track column count in lexer in a few more places (bug #34852)
John W. Eaton <jwe@octave.org>
parents:
25646
diff
changeset
|
1345 // Adjust for comma that was not really in the input stream. |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
1346 curr_lexer->m_filepos.decrement_column (); |
18492
e4c319ed2414
Fix regression, allow space-separated cell array of function handles (bug #41569)
Mike Miller <mtmiller@ieee.org>
parents:
18428
diff
changeset
|
1347 } |
e4c319ed2414
Fix regression, allow space-separated cell array of function handles (bug #41569)
Mike Miller <mtmiller@ieee.org>
parents:
18428
diff
changeset
|
1348 else |
e4c319ed2414
Fix regression, allow space-separated cell array of function handles (bug #41569)
Mike Miller <mtmiller@ieee.org>
parents:
18428
diff
changeset
|
1349 { |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
1350 curr_lexer->m_filepos.increment_column (yyleng); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
1351 curr_lexer->m_at_beginning_of_statement = false; |
18492
e4c319ed2414
Fix regression, allow space-separated cell array of function handles (bug #41569)
Mike Miller <mtmiller@ieee.org>
parents:
18428
diff
changeset
|
1352 |
26740
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1353 std::string ident = yytext; |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1354 |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1355 if (ident == "@") |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1356 { |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1357 curr_lexer->m_looking_at_function_handle++; |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1358 curr_lexer->m_looking_for_object_index = false; |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1359 |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1360 return curr_lexer->count_token ('@'); |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1361 } |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1362 else |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1363 { |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1364 ident = ident.substr (1); |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1365 ident.erase (std::remove_if (ident.begin (), ident.end (), |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1366 is_space_or_tab), ident.end ()); |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1367 |
27771
cd566153edd6
split base_lexer::is_keyword_token into two functions
John W. Eaton <jwe@octave.org>
parents:
27770
diff
changeset
|
1368 bool kw_token = curr_lexer->is_keyword_token (ident); |
26740
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1369 |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1370 octave::token *tok; |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1371 |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1372 if (kw_token) |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1373 tok = new octave::token (LEXICAL_ERROR, |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1374 "function handles may not refer to keywords", |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
1375 curr_lexer->m_filepos, |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
1376 curr_lexer->m_filepos); |
26740
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1377 else |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1378 { |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1379 curr_lexer->m_looking_for_object_index = true; |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1380 |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1381 tok = new octave::token (FCN_HANDLE, ident, |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
1382 curr_lexer->m_filepos, |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
1383 curr_lexer->m_filepos); |
26740
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1384 } |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1385 |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1386 curr_lexer->push_token (tok); |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1387 |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1388 return curr_lexer->count_token_internal (tok->token_value ()); |
cf271740922a
allow parsing of function handles of the form @foo.bar
John W. Eaton <jwe@octave.org>
parents:
26718
diff
changeset
|
1389 } |
18492
e4c319ed2414
Fix regression, allow space-separated cell array of function handles (bug #41569)
Mike Miller <mtmiller@ieee.org>
parents:
18428
diff
changeset
|
1390 } |
16334
06aa4c0f2018
handle foo @... as command syntax
John W. Eaton <jwe@octave.org>
parents:
16325
diff
changeset
|
1391 } |
4342 | 1392 } |
1393 | |
1394 %{ | |
968 | 1395 // A new line character. New line characters inside matrix constants |
4208 | 1396 // are handled by the <MATRIX_START> start state code above. If closest |
985 | 1397 // nesting is inside parentheses, don't return a row separator. |
968 | 1398 %} |
1399 | |
967 | 1400 {NL} { |
16229
7b7b1e4968e8
use functions instead of token return macros in lexer
John W. Eaton <jwe@octave.org>
parents:
16228
diff
changeset
|
1401 curr_lexer->lexer_debug ("{NL}"); |
8535 | 1402 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
1403 if (curr_lexer->m_nesting_level.is_paren ()) |
16309
e608de76742c
allow newline to terminate anonymous function definition
John W. Eaton <jwe@octave.org>
parents:
16299
diff
changeset
|
1404 { |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
1405 curr_lexer->m_filepos.next_line (); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
1406 |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
1407 curr_lexer->m_at_beginning_of_statement = false; |
21102
dfcb9d74b253
Rename local gripe_XXX functions to err_XXX or warn_XXX.
Rik <rik@octave.org>
parents:
21100
diff
changeset
|
1408 curr_lexer->warn_language_extension |
16309
e608de76742c
allow newline to terminate anonymous function definition
John W. Eaton <jwe@octave.org>
parents:
16299
diff
changeset
|
1409 ("bare newline inside parentheses"); |
e608de76742c
allow newline to terminate anonymous function definition
John W. Eaton <jwe@octave.org>
parents:
16299
diff
changeset
|
1410 } |
24833
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parents:
24534
diff
changeset
|
1411 else if (curr_lexer->m_nesting_level.none () |
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parents:
24534
diff
changeset
|
1412 || curr_lexer->m_nesting_level.is_anon_fcn_body ()) |
8746
5dd06f19e9be
handle commands in the lexer
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parents:
8745
diff
changeset
|
1413 { |
27766
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parents:
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diff
changeset
|
1414 curr_lexer->m_filepos.next_line (); |
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parents:
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diff
changeset
|
1415 |
7c88cf242111
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parents:
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diff
changeset
|
1416 curr_lexer->m_at_beginning_of_statement = true; |
21064
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parents:
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diff
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|
1417 |
16229
7b7b1e4968e8
use functions instead of token return macros in lexer
John W. Eaton <jwe@octave.org>
parents:
16228
diff
changeset
|
1418 return curr_lexer->count_token ('\n'); |
8746
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parents:
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diff
changeset
|
1419 } |
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parents:
24534
diff
changeset
|
1420 else if (curr_lexer->m_nesting_level.is_bracket_or_brace ()) |
21064
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1421 { |
23075
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move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
23061
diff
changeset
|
1422 octave::token *tok |
4e3d47dc7e25
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parents:
23061
diff
changeset
|
1423 = new octave::token (LEXICAL_ERROR, |
4e3d47dc7e25
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parents:
23061
diff
changeset
|
1424 "unexpected internal lexer error", |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
1425 curr_lexer->m_filepos, curr_lexer->m_filepos); |
21064
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1426 |
a9f2c2d72892
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John W. Eaton <jwe@octave.org>
parents:
21055
diff
changeset
|
1427 curr_lexer->push_token (tok); |
a9f2c2d72892
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parents:
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diff
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|
1428 |
27766
0ca7f17de041
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parents:
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diff
changeset
|
1429 curr_lexer->m_filepos.next_line (); |
21064
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parents:
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diff
changeset
|
1430 |
a9f2c2d72892
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parents:
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diff
changeset
|
1431 return curr_lexer->count_token_internal (LEXICAL_ERROR); |
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parents:
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diff
changeset
|
1432 } |
967 | 1433 } |
1 | 1434 |
968 | 1435 %{ |
1436 // Single quote can either be the beginning of a string or a transpose | |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
1437 // operator. |
968 | 1438 %} |
1439 | |
967 | 1440 "'" { |
16229
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parents:
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diff
changeset
|
1441 curr_lexer->lexer_debug ("'"); |
8535 | 1442 |
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|
1443 if (curr_lexer->previous_token_may_be_command () |
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|
1444 && curr_lexer->space_follows_previous_token ()) |
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|
1445 { |
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|
1446 curr_lexer->m_filepos.increment_column (); |
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parents:
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diff
changeset
|
1447 curr_lexer->push_start_state (COMMAND_START); |
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parents:
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changeset
|
1448 curr_lexer->begin_string (SQ_STRING_START); |
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|
1449 } |
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diff
changeset
|
1450 else if (curr_lexer->m_at_beginning_of_statement) |
16681
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parents:
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diff
changeset
|
1451 { |
27766
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|
1452 curr_lexer->m_filepos.increment_column (); |
16898
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parents:
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diff
changeset
|
1453 curr_lexer->begin_string (SQ_STRING_START); |
16681
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parents:
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|
1454 } |
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|
1455 else |
967 | 1456 { |
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|
1457 int tok = curr_lexer->previous_token_value (); |
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diff
changeset
|
1458 |
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diff
changeset
|
1459 if (curr_lexer->whitespace_is_significant ()) |
16257
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|
1460 { |
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|
1461 if (curr_lexer->space_follows_previous_token ()) |
16257
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|
1462 { |
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changeset
|
1463 if (tok == '[' || tok == '{' |
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|
1464 || curr_lexer->previous_token_is_binop ()) |
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parents:
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diff
changeset
|
1465 { |
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parents:
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diff
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|
1466 curr_lexer->m_filepos.increment_column (); |
16898
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rewrite string parsing to avoid unlimited lookahead
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parents:
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changeset
|
1467 curr_lexer->begin_string (SQ_STRING_START); |
16275
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|
1468 } |
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changeset
|
1469 else |
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changeset
|
1470 { |
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parents:
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diff
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|
1471 yyless (0); |
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parents:
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diff
changeset
|
1472 curr_lexer->xunput (','); |
16281
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adjust line and column info when inserting new text in lexer input stream
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parents:
16277
diff
changeset
|
1473 // Adjust for comma that was not really in the input stream. |
27766
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changeset
|
1474 curr_lexer->m_filepos.decrement_column (); |
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parents:
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|
1475 } |
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|
1476 } |
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|
1477 else |
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|
1478 { |
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changeset
|
1479 if (tok == '[' || tok == '{' |
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|
1480 || curr_lexer->previous_token_is_binop () |
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parents:
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|
1481 || curr_lexer->previous_token_is_keyword ()) |
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parents:
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diff
changeset
|
1482 { |
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parents:
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changeset
|
1483 curr_lexer->m_filepos.increment_column (); |
16898
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rewrite string parsing to avoid unlimited lookahead
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parents:
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changeset
|
1484 curr_lexer->begin_string (SQ_STRING_START); |
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parents:
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changeset
|
1485 } |
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diff
changeset
|
1486 else |
25719
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parents:
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diff
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|
1487 { |
27766
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parents:
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diff
changeset
|
1488 curr_lexer->m_filepos.increment_column (); |
25719
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parents:
25708
diff
changeset
|
1489 return curr_lexer->count_token (HERMITIAN); |
e3c612c0b744
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parents:
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diff
changeset
|
1490 } |
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|
1491 } |
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parents:
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changeset
|
1492 } |
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parents:
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diff
changeset
|
1493 else |
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parents:
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diff
changeset
|
1494 { |
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parents:
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changeset
|
1495 if (! tok || tok == '[' || tok == '{' || tok == '(' |
16267
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parents:
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changeset
|
1496 || curr_lexer->previous_token_is_binop () |
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parents:
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|
1497 || curr_lexer->previous_token_is_keyword ()) |
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|
1498 { |
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changeset
|
1499 curr_lexer->m_filepos.increment_column (); |
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parents:
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changeset
|
1500 curr_lexer->begin_string (SQ_STRING_START); |
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|
1501 } |
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changeset
|
1502 else |
25719
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changeset
|
1503 { |
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parents:
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|
1504 curr_lexer->m_filepos.increment_column (); |
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parents:
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changeset
|
1505 return curr_lexer->count_token (HERMITIAN); |
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parents:
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changeset
|
1506 } |
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changeset
|
1507 } |
967 | 1508 } |
1509 } | |
1 | 1510 |
968 | 1511 %{ |
971 | 1512 // Double quotes always begin strings. |
1513 %} | |
1514 | |
973 | 1515 \" { |
16903
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improve character string handling in the lexer
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parents:
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changeset
|
1516 curr_lexer->lexer_debug ("\\\""); |
8535 | 1517 |
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|
1518 if (curr_lexer->previous_token_may_be_command () |
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|
1519 && curr_lexer->space_follows_previous_token ()) |
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|
1520 { |
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|
1521 curr_lexer->m_filepos.increment_column (); |
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|
1522 curr_lexer->push_start_state (COMMAND_START); |
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|
1523 curr_lexer->begin_string (DQ_STRING_START); |
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|
1524 } |
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changeset
|
1525 else |
16261
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|
1526 { |
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|
1527 int tok = curr_lexer->previous_token_value (); |
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|
1528 |
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changeset
|
1529 if (curr_lexer->whitespace_is_significant ()) |
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|
1530 { |
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|
1531 if (curr_lexer->space_follows_previous_token ()) |
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|
1532 { |
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|
1533 if (tok == '[' || tok == '{' |
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|
1534 || curr_lexer->previous_token_is_binop ()) |
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|
1535 { |
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|
1536 curr_lexer->m_filepos.increment_column (); |
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changeset
|
1537 curr_lexer->begin_string (DQ_STRING_START); |
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|
1538 } |
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1539 else |
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changeset
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1540 { |
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1541 yyless (0); |
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1542 curr_lexer->xunput (','); |
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1543 // Adjust for comma that was not really in the input stream. |
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1544 curr_lexer->m_filepos.decrement_column (); |
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1545 } |
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1546 } |
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1547 else |
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1548 { |
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1549 curr_lexer->m_filepos.increment_column (); |
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1550 curr_lexer->begin_string (DQ_STRING_START); |
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1551 } |
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1552 } |
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1553 else |
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1554 { |
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1555 curr_lexer->m_filepos.increment_column (); |
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1556 curr_lexer->begin_string (DQ_STRING_START); |
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1557 } |
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1558 } |
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1559 } |
971 | 1560 |
1561 %{ | |
968 | 1562 // Other operators. |
1563 %} | |
1564 | |
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1565 ":" { CMD_OR_OP (":", ':', true); } |
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1566 ".+" { CMD_OR_OP (".+", EPLUS, false); } |
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1567 ".-" { CMD_OR_OP (".-", EMINUS, false); } |
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1568 ".*" { CMD_OR_OP (".*", EMUL, true); } |
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1569 "./" { CMD_OR_OP ("./", EDIV, true); } |
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1570 ".\\" { CMD_OR_OP (".\\", ELEFTDIV, true); } |
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1571 ".^" { CMD_OR_OP (".^", EPOW, true); } |
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1572 ".**" { CMD_OR_OP (".**", EPOW, false); } |
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1573 "<=" { CMD_OR_OP ("<=", EXPR_LE, true); } |
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1574 "==" { CMD_OR_OP ("==", EXPR_EQ, true); } |
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1575 "~=" { CMD_OR_OP ("~=", EXPR_NE, true); } |
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1576 "!=" { CMD_OR_OP ("!=", EXPR_NE, false); } |
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1577 ">=" { CMD_OR_OP (">=", EXPR_GE, true); } |
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1578 "&" { CMD_OR_OP ("&", EXPR_AND, true); } |
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1579 "|" { CMD_OR_OP ("|", EXPR_OR, true); } |
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1580 "<" { CMD_OR_OP ("<", EXPR_LT, true); } |
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1581 ">" { CMD_OR_OP (">", EXPR_GT, true); } |
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1582 "*" { CMD_OR_OP ("*", '*', true); } |
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1583 "/" { CMD_OR_OP ("/", '/', true); } |
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1584 |
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1585 %{ |
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1586 // In Matlab, '\' may also trigger command syntax. |
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1587 %} |
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1588 |
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1589 "\\" { return curr_lexer->handle_op ("\\", LEFTDIV); } |
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1590 |
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1591 "^" { CMD_OR_OP ("^", POW, true); } |
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1592 "**" { CMD_OR_OP ("**", POW, false); } |
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1593 "&&" { CMD_OR_OP ("&&", EXPR_AND_AND, true); } |
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1594 "||" { CMD_OR_OP ("||", EXPR_OR_OR, true); } |
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1595 |
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1596 ";" { |
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1597 bool at_beginning_of_statement |
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1598 = (! (curr_lexer->whitespace_is_significant () |
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1599 || curr_lexer->m_looking_at_object_index.front ())); |
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1600 |
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1601 return curr_lexer->handle_op (";", ';', at_beginning_of_statement); |
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1602 } |
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1603 |
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1604 "+" { CMD_OR_UNARY_OP ("+", '+', true); } |
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1605 "-" { CMD_OR_UNARY_OP ("-", '-', true); } |
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1606 |
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1607 "~" { CMD_OR_UNARY_OP ("~", EXPR_NOT, true); } |
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1608 "!" { CMD_OR_UNARY_OP ("!", EXPR_NOT, false); } |
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1609 |
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1610 "," { |
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1611 bool at_beginning_of_statement |
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1612 = (! (curr_lexer->whitespace_is_significant () |
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1613 || curr_lexer->m_looking_at_object_index.front ())); |
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1614 |
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1615 return curr_lexer->handle_op (",", ',', at_beginning_of_statement); |
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1616 } |
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1617 |
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1618 ".'" { |
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1619 return curr_lexer->handle_op (".'", TRANSPOSE, false); |
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1620 } |
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1621 |
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1622 "++" { CMD_OR_UNARY_OP ("++", PLUS_PLUS, false); } |
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1623 "--" { CMD_OR_UNARY_OP ("--", MINUS_MINUS, false); } |
1 | 1624 |
967 | 1625 "(" { |
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1626 curr_lexer->lexer_debug ("("); |
8535 | 1627 |
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1628 bool unput_comma = false; |
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1629 |
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1630 if (curr_lexer->whitespace_is_significant () |
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1631 && curr_lexer->space_follows_previous_token ()) |
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1632 { |
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1633 int tok = curr_lexer->previous_token_value (); |
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1634 |
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1635 if (! (tok == '[' || tok == '{' |
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1636 || curr_lexer->previous_token_is_binop ())) |
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1637 unput_comma = true; |
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1638 } |
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1639 |
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1640 if (unput_comma) |
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1641 { |
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1642 yyless (0); |
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1643 curr_lexer->xunput (','); |
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1644 // Adjust for comma that was not really in the input stream. |
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1645 curr_lexer->m_filepos.decrement_column (); |
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1646 } |
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1647 else |
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1648 { |
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1649 // If we are looking for an object index, then push TRUE for |
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1650 // m_looking_at_object_index. Otherwise, just push whatever state |
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1651 // is current (so that we can pop it off the stack when we find |
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1652 // the matching close paren). |
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1653 |
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1654 curr_lexer->m_looking_at_object_index.push_front |
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1655 (curr_lexer->m_looking_for_object_index); |
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1656 |
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1657 curr_lexer->m_looking_at_indirect_ref = false; |
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1658 curr_lexer->m_looking_for_object_index = false; |
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1659 curr_lexer->m_at_beginning_of_statement = false; |
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1660 |
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1661 curr_lexer->m_nesting_level.paren (); |
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|
1662 |
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1663 return curr_lexer->handle_token ('('); |
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changeset
|
1664 } |
967 | 1665 } |
1666 | |
1667 ")" { | |
16229
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parents:
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diff
changeset
|
1668 curr_lexer->lexer_debug (")"); |
8535 | 1669 |
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|
1670 curr_lexer->m_nesting_level.remove (); |
27766
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|
1671 curr_lexer->m_filepos.increment_column (); |
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1672 |
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changeset
|
1673 curr_lexer->m_looking_at_object_index.pop_front (); |
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|
1674 |
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changeset
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1675 curr_lexer->m_looking_for_object_index = true; |
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parents:
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|
1676 curr_lexer->m_at_beginning_of_statement = false; |
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1677 |
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changeset
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1678 if (curr_lexer->m_looking_at_anon_fcn_args) |
16265
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1679 { |
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changeset
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1680 curr_lexer->m_looking_at_anon_fcn_args = false; |
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parents:
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diff
changeset
|
1681 curr_lexer->m_nesting_level.anon_fcn_body (); |
16265
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parents:
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1682 } |
13237
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1683 |
16229
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1684 return curr_lexer->count_token (')'); |
967 | 1685 } |
1686 | |
8745
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better handling of object indexing in lexer
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1687 "." { |
16229
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parents:
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|
1688 curr_lexer->lexer_debug ("."); |
8745
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1689 |
16325
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parents:
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1690 if (curr_lexer->previous_token_may_be_command () |
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1691 && curr_lexer->space_follows_previous_token ()) |
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1692 { |
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1693 yyless (0); |
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changeset
|
1694 curr_lexer->push_start_state (COMMAND_START); |
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1695 } |
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1696 else |
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1697 { |
24833
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1698 curr_lexer->m_looking_for_object_index = false; |
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1699 curr_lexer->m_at_beginning_of_statement = false; |
16325
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1700 |
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1701 return curr_lexer->handle_token ('.'); |
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1702 } |
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1703 } |
8535 | 1704 |
16229
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|
1705 %{ |
16257
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parents:
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|
1706 // = and op= operators. |
16229
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1707 %} |
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|
1708 |
16360
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changeset
|
1709 "=" { |
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|
1710 curr_lexer->maybe_mark_previous_token_as_variable (); |
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|
1711 |
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parents:
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|
1712 return curr_lexer->handle_op ("=", '='); |
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1713 } |
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1714 |
16680
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changeset
|
1715 "+=" { CMD_OR_COMPUTED_ASSIGN_OP ("+=", ADD_EQ); } |
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parents:
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changeset
|
1716 "-=" { CMD_OR_COMPUTED_ASSIGN_OP ("-=", SUB_EQ); } |
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parents:
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changeset
|
1717 "*=" { CMD_OR_COMPUTED_ASSIGN_OP ("*=", MUL_EQ); } |
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parents:
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|
1718 "/=" { CMD_OR_COMPUTED_ASSIGN_OP ("/=", DIV_EQ); } |
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parents:
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changeset
|
1719 "\\=" { CMD_OR_COMPUTED_ASSIGN_OP ("\\=", LEFTDIV_EQ); } |
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parents:
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changeset
|
1720 ".+=" { CMD_OR_COMPUTED_ASSIGN_OP (".+=", ADD_EQ); } |
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parents:
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changeset
|
1721 ".-=" { CMD_OR_COMPUTED_ASSIGN_OP (".-=", SUB_EQ); } |
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changeset
|
1722 ".*=" { CMD_OR_COMPUTED_ASSIGN_OP (".*=", EMUL_EQ); } |
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parents:
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changeset
|
1723 "./=" { CMD_OR_COMPUTED_ASSIGN_OP ("./=", EDIV_EQ); } |
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parents:
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changeset
|
1724 ".\\=" { CMD_OR_COMPUTED_ASSIGN_OP (".\\=", ELEFTDIV_EQ); } |
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parents:
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changeset
|
1725 "^=" { CMD_OR_COMPUTED_ASSIGN_OP ("^=", POW_EQ); } |
de79cdbbdf7c
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parents:
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changeset
|
1726 "**=" { CMD_OR_COMPUTED_ASSIGN_OP ("^=", POW_EQ); } |
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parents:
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|
1727 ".^=" { CMD_OR_COMPUTED_ASSIGN_OP (".^=", EPOW_EQ); } |
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changeset
|
1728 ".**=" { CMD_OR_COMPUTED_ASSIGN_OP (".^=", EPOW_EQ); } |
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improve parsing of commands
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parents:
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changeset
|
1729 "&=" { CMD_OR_COMPUTED_ASSIGN_OP ("&=", AND_EQ); } |
de79cdbbdf7c
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parents:
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changeset
|
1730 "|=" { CMD_OR_COMPUTED_ASSIGN_OP ("|=", OR_EQ); } |
16257
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|
1731 |
16275
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parents:
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changeset
|
1732 %{ |
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parents:
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changeset
|
1733 // In Matlab, '{' may also trigger command syntax. |
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|
1734 %} |
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|
1735 |
16257
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changeset
|
1736 "{" { |
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changeset
|
1737 curr_lexer->lexer_debug ("{"); |
8535 | 1738 |
16263
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changeset
|
1739 bool unput_comma = false; |
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changeset
|
1740 |
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|
1741 if (curr_lexer->whitespace_is_significant () |
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changeset
|
1742 && curr_lexer->space_follows_previous_token ()) |
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|
1743 { |
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changeset
|
1744 int tok = curr_lexer->previous_token_value (); |
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|
1745 |
16267
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diff
changeset
|
1746 if (! (tok == '[' || tok == '{' |
16263
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|
1747 || curr_lexer->previous_token_is_binop ())) |
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parents:
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changeset
|
1748 unput_comma = true; |
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changeset
|
1749 } |
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changeset
|
1750 |
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changeset
|
1751 if (unput_comma) |
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changeset
|
1752 { |
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diff
changeset
|
1753 yyless (0); |
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diff
changeset
|
1754 curr_lexer->xunput (','); |
16281
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parents:
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changeset
|
1755 // Adjust for comma that was not really in the input stream. |
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changeset
|
1756 curr_lexer->m_filepos.decrement_column (); |
16263
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|
1757 } |
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changeset
|
1758 else |
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changeset
|
1759 { |
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changeset
|
1760 curr_lexer->m_nesting_level.brace (); |
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1761 |
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changeset
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1762 curr_lexer->m_looking_at_object_index.push_front |
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|
1763 (curr_lexer->m_looking_for_object_index); |
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|
1764 |
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changeset
|
1765 curr_lexer->m_filepos.increment_column (yyleng); |
24833
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|
1766 curr_lexer->m_looking_for_object_index = false; |
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|
1767 curr_lexer->m_at_beginning_of_statement = false; |
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|
1768 |
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1769 curr_lexer->m_braceflag++; |
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|
1770 |
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changeset
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1771 curr_lexer->push_start_state (MATRIX_START); |
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1772 |
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1773 return curr_lexer->count_token ('{'); |
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changeset
|
1774 } |
3351 | 1775 } |
1776 | |
1777 "}" { | |
16229
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changeset
|
1778 curr_lexer->lexer_debug ("}"); |
8535 | 1779 |
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|
1780 curr_lexer->m_looking_at_object_index.pop_front (); |
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1781 |
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1782 curr_lexer->m_looking_for_object_index = true; |
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|
1783 curr_lexer->m_at_beginning_of_statement = false; |
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1784 |
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1785 curr_lexer->m_nesting_level.remove (); |
3351 | 1786 |
16229
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changeset
|
1787 return curr_lexer->handle_token ('}'); |
3351 | 1788 } |
1789 | |
968 | 1790 %{ |
2066 | 1791 // Unrecognized input is a lexical error. |
968 | 1792 %} |
1 | 1793 |
2042 | 1794 . { |
16229
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diff
changeset
|
1795 curr_lexer->lexer_debug ("."); |
8535 | 1796 |
16125
96a58f197f93
allow xunput to be called without buffer argument
John W. Eaton <jwe@octave.org>
parents:
16124
diff
changeset
|
1797 curr_lexer->xunput (yytext[0]); |
16113
7c5e5e97a3bc
move static lexer helper functions to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16111
diff
changeset
|
1798 |
7c5e5e97a3bc
move static lexer helper functions to lexical_feedback class
John W. Eaton <jwe@octave.org>
parents:
16111
diff
changeset
|
1799 int c = curr_lexer->text_yyinput (); |
4248 | 1800 |
16294
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
1801 if (c == 1) |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
1802 return -1; |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
1803 else if (c == EOF) |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
parents:
16293
diff
changeset
|
1804 return curr_lexer->handle_end_of_input (); |
0925d1f6875e
push parser/lexer interface
John W. Eaton <jwe@octave.org>
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16293
diff
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|
1805 else |
4240 | 1806 { |
21064
a9f2c2d72892
handle lexical errors as parser errors (bug #46877)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1807 std::ostringstream buf; |
a9f2c2d72892
handle lexical errors as parser errors (bug #46877)
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1808 |
a9f2c2d72892
handle lexical errors as parser errors (bug #46877)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1809 buf << "invalid character '" |
25646
4d565baa475e
move libinterp/utils functions inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
25443
diff
changeset
|
1810 << octave::undo_string_escape (static_cast<char> (c)) |
21064
a9f2c2d72892
handle lexical errors as parser errors (bug #46877)
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1811 << "' (ASCII " << c << ")"; |
a9f2c2d72892
handle lexical errors as parser errors (bug #46877)
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1812 |
23075
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
23061
diff
changeset
|
1813 octave::token *tok |
4e3d47dc7e25
move parse tree classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
23061
diff
changeset
|
1814 = new octave::token (LEXICAL_ERROR, buf.str (), |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
1815 curr_lexer->m_filepos, curr_lexer->m_filepos); |
21064
a9f2c2d72892
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1816 |
a9f2c2d72892
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1817 curr_lexer->push_token (tok); |
a9f2c2d72892
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John W. Eaton <jwe@octave.org>
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diff
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|
1818 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
1819 curr_lexer->m_filepos.increment_column (); |
10315
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|
1820 |
21064
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1821 return curr_lexer->count_token_internal (LEXICAL_ERROR); |
4240 | 1822 } |
2066 | 1823 } |
1 | 1824 |
21023
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
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diff
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|
1825 %{ |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1826 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC) |
24444
53ca76c5cc8d
maint: Indent pragmas as other preprocessor directives.
John W. Eaton <jwe@octave.org>
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24387
diff
changeset
|
1827 // Disable these warnings for flex code. |
53ca76c5cc8d
maint: Indent pragmas as other preprocessor directives.
John W. Eaton <jwe@octave.org>
parents:
24387
diff
changeset
|
1828 # pragma GCC diagnostic ignored "-Wold-style-cast" |
53ca76c5cc8d
maint: Indent pragmas as other preprocessor directives.
John W. Eaton <jwe@octave.org>
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24387
diff
changeset
|
1829 # pragma GCC diagnostic ignored "-Wunused-parameter" |
21023
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1830 #endif |
ec532a439c6f
rework method of disabling warnings from GCC
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diff
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|
1831 %} |
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1832 |
1 | 1833 %% |
1834 | |
21023
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1835 #if defined (HAVE_PRAGMA_GCC_DIAGNOSTIC) |
24444
53ca76c5cc8d
maint: Indent pragmas as other preprocessor directives.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1836 // Restore prevailing warning state for remainder of the file. |
53ca76c5cc8d
maint: Indent pragmas as other preprocessor directives.
John W. Eaton <jwe@octave.org>
parents:
24387
diff
changeset
|
1837 # pragma GCC diagnostic pop |
21023
ec532a439c6f
rework method of disabling warnings from GCC
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1838 #endif |
ec532a439c6f
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diff
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|
1839 |
19784
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diff
changeset
|
1840 void * |
a3577622952c
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1841 octave_alloc (yy_size_t size, yyscan_t) |
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John W. Eaton <jwe@octave.org>
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diff
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|
1842 { |
21942
aab79a1885cc
limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
parents:
21912
diff
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|
1843 return std::malloc (size); |
19784
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diff
changeset
|
1844 } |
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changeset
|
1845 |
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diff
changeset
|
1846 void * |
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|
1847 octave_realloc (void *ptr, yy_size_t size, yyscan_t) |
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avoid some GCC unused parameter warnings
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diff
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|
1848 { |
21942
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limit gnulib headers to liboctave/wrappers directory
John W. Eaton <jwe@octave.org>
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diff
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|
1849 return std::realloc (ptr, size); |
19784
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diff
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|
1850 } |
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diff
changeset
|
1851 |
a3577622952c
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diff
changeset
|
1852 void |
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1853 octave_free (void *ptr, yyscan_t) |
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diff
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|
1854 { |
21942
aab79a1885cc
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diff
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|
1855 std::free (ptr); |
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diff
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|
1856 } |
a3577622952c
avoid some GCC unused parameter warnings
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1857 |
8447
adab48231a03
make input_line_number work again
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1858 static void |
8535 | 1859 display_character (char c) |
1860 { | |
1861 if (isgraph (c)) | |
1862 std::cerr << c; | |
1863 else | |
1864 switch (c) | |
1865 { | |
1866 case 0: | |
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|
1867 std::cerr << "NUL"; |
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|
1868 break; |
8535 | 1869 |
1870 case 1: | |
10315
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|
1871 std::cerr << "SOH"; |
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changeset
|
1872 break; |
8535 | 1873 |
1874 case 2: | |
10315
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|
1875 std::cerr << "STX"; |
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untabify src C++ source files
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|
1876 break; |
8535 | 1877 |
1878 case 3: | |
10315
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|
1879 std::cerr << "ETX"; |
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untabify src C++ source files
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changeset
|
1880 break; |
8535 | 1881 |
1882 case 4: | |
10315
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|
1883 std::cerr << "EOT"; |
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untabify src C++ source files
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|
1884 break; |
8535 | 1885 |
1886 case 5: | |
10315
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|
1887 std::cerr << "ENQ"; |
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changeset
|
1888 break; |
8535 | 1889 |
1890 case 6: | |
10315
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|
1891 std::cerr << "ACK"; |
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changeset
|
1892 break; |
8535 | 1893 |
1894 case 7: | |
10315
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|
1895 std::cerr << "\\a"; |
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untabify src C++ source files
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changeset
|
1896 break; |
8535 | 1897 |
1898 case 8: | |
10315
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changeset
|
1899 std::cerr << "\\b"; |
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|
1900 break; |
8535 | 1901 |
1902 case 9: | |
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|
1903 std::cerr << "\\t"; |
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untabify src C++ source files
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changeset
|
1904 break; |
8535 | 1905 |
1906 case 10: | |
10315
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|
1907 std::cerr << "\\n"; |
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changeset
|
1908 break; |
8535 | 1909 |
1910 case 11: | |
10315
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|
1911 std::cerr << "\\v"; |
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untabify src C++ source files
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changeset
|
1912 break; |
8535 | 1913 |
1914 case 12: | |
10315
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|
1915 std::cerr << "\\f"; |
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untabify src C++ source files
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changeset
|
1916 break; |
8535 | 1917 |
1918 case 13: | |
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|
1919 std::cerr << "\\r"; |
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|
1920 break; |
8535 | 1921 |
1922 case 14: | |
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|
1923 std::cerr << "SO"; |
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changeset
|
1924 break; |
8535 | 1925 |
1926 case 15: | |
10315
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|
1927 std::cerr << "SI"; |
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changeset
|
1928 break; |
8535 | 1929 |
1930 case 16: | |
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|
1931 std::cerr << "DLE"; |
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|
1932 break; |
8535 | 1933 |
1934 case 17: | |
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|
1935 std::cerr << "DC1"; |
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untabify src C++ source files
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|
1936 break; |
8535 | 1937 |
1938 case 18: | |
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|
1939 std::cerr << "DC2"; |
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|
1940 break; |
8535 | 1941 |
1942 case 19: | |
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|
1943 std::cerr << "DC3"; |
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|
1944 break; |
8535 | 1945 |
1946 case 20: | |
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|
1947 std::cerr << "DC4"; |
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|
1948 break; |
8535 | 1949 |
1950 case 21: | |
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|
1951 std::cerr << "NAK"; |
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|
1952 break; |
8535 | 1953 |
1954 case 22: | |
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|
1955 std::cerr << "SYN"; |
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|
1956 break; |
8535 | 1957 |
1958 case 23: | |
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|
1959 std::cerr << "ETB"; |
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|
1960 break; |
8535 | 1961 |
1962 case 24: | |
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|
1963 std::cerr << "CAN"; |
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|
1964 break; |
8535 | 1965 |
1966 case 25: | |
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|
1967 std::cerr << "EM"; |
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|
1968 break; |
8535 | 1969 |
1970 case 26: | |
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|
1971 std::cerr << "SUB"; |
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|
1972 break; |
8535 | 1973 |
1974 case 27: | |
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|
1975 std::cerr << "ESC"; |
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|
1976 break; |
8535 | 1977 |
1978 case 28: | |
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|
1979 std::cerr << "FS"; |
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|
1980 break; |
8535 | 1981 |
1982 case 29: | |
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1983 std::cerr << "GS"; |
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untabify src C++ source files
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|
1984 break; |
8535 | 1985 |
1986 case 30: | |
10315
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untabify src C++ source files
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|
1987 std::cerr << "RS"; |
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untabify src C++ source files
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diff
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|
1988 break; |
8535 | 1989 |
1990 case 31: | |
10315
57a59eae83cc
untabify src C++ source files
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|
1991 std::cerr << "US"; |
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untabify src C++ source files
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diff
changeset
|
1992 break; |
8535 | 1993 |
1994 case 32: | |
10315
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untabify src C++ source files
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|
1995 std::cerr << "SPACE"; |
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untabify src C++ source files
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diff
changeset
|
1996 break; |
8535 | 1997 |
1998 case 127: | |
10315
57a59eae83cc
untabify src C++ source files
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|
1999 std::cerr << "DEL"; |
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
2000 break; |
8535 | 2001 } |
2002 } | |
8745
6dc61981d18b
better handling of object indexing in lexer
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parents:
8701
diff
changeset
|
2003 |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
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|
2004 namespace octave |
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|
2005 { |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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|
2006 bool |
26059
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Deprecate C++ function is_keyword in favor of iskeyword for readability.
Rik <rik@octave.org>
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diff
changeset
|
2007 iskeyword (const std::string& s) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2008 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2009 // Parsing function names like "set.property_name" inside |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2010 // classdef-style class definitions is simplified by handling the |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2011 // "set" and "get" portions of the names using the same mechanism |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2012 // as is used for keywords. However, they are not really keywords |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2013 // in the language, so omit them from the list of possible |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2014 // keywords. Likewise for "enumeration", "events", "methods", and |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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diff
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|
2015 // "properties". |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2016 |
23796
4f12819a634f
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents:
23787
diff
changeset
|
2017 return (octave_kw_hash::in_word_set (s.c_str (), s.length ()) != nullptr |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2018 && ! (s == "set" || s == "get" |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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diff
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|
2019 || s == "enumeration" || s == "events" |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2020 || s == "methods" || s == "properties")); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2021 } |
16114
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
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|
2022 } |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2023 |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2024 DEFUN (iskeyword, args, , |
21966
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2025 doc: /* -*- texinfo -*- |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2026 @deftypefn {} {} iskeyword () |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2027 @deftypefnx {} {} iskeyword (@var{name}) |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2028 Return true if @var{name} is an Octave keyword. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2029 |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2030 If @var{name} is omitted, return a list of keywords. |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2031 @seealso{isvarname, exist} |
112b20240c87
move docstrings in C++ files out of C strings and into comments
John W. Eaton <jwe@octave.org>
parents:
21942
diff
changeset
|
2032 @end deftypefn */) |
16114
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2033 { |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2034 octave_value retval; |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2035 |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20798
diff
changeset
|
2036 int nargin = args.length (); |
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20798
diff
changeset
|
2037 |
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20798
diff
changeset
|
2038 if (nargin > 1) |
20798
bb585db6dee2
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20773
diff
changeset
|
2039 print_usage (); |
bb585db6dee2
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
parents:
20773
diff
changeset
|
2040 |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20798
diff
changeset
|
2041 if (nargin == 0) |
16114
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2042 { |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20798
diff
changeset
|
2043 // Neither set nor get are keywords. See the note in the |
26059
da2bbcf1fbcd
Deprecate C++ function is_keyword in favor of iskeyword for readability.
Rik <rik@octave.org>
parents:
25994
diff
changeset
|
2044 // iskeyword function for additional details. |
16114
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2045 |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2046 string_vector lst (TOTAL_KEYWORDS); |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2047 |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2048 int j = 0; |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2049 |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2050 for (int i = 0; i < TOTAL_KEYWORDS; i++) |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2051 { |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20798
diff
changeset
|
2052 std::string kword = wordlist[i].name; |
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20798
diff
changeset
|
2053 |
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20798
diff
changeset
|
2054 if (kword != "set" && kword != "get") |
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20798
diff
changeset
|
2055 lst[j++] = kword; |
16114
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2056 } |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2057 |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2058 lst.resize (j); |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2059 |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2060 retval = Cell (lst.sort ()); |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2061 } |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20798
diff
changeset
|
2062 else |
16114
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2063 { |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20798
diff
changeset
|
2064 std::string name = args(0).xstring_value ("iskeyword: NAME must be a string"); |
26059
da2bbcf1fbcd
Deprecate C++ function is_keyword in favor of iskeyword for readability.
Rik <rik@octave.org>
parents:
25994
diff
changeset
|
2065 retval = octave::iskeyword (name); |
16114
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2066 } |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2067 |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2068 return retval; |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2069 } |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2070 |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2071 /* |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2072 |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2073 %!assert (iskeyword ("for")) |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2074 %!assert (iskeyword ("fort"), false) |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2075 %!assert (iskeyword ("fft"), false) |
20812
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20798
diff
changeset
|
2076 %!assert (iskeyword ("get"), false) |
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20798
diff
changeset
|
2077 %!assert (iskeyword ("set"), false) |
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20798
diff
changeset
|
2078 |
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20798
diff
changeset
|
2079 %!error iskeyword ("A", "B") |
d9ca869ca124
maint: Clean-up more instances of print_usage().
Rik <rik@octave.org>
parents:
20798
diff
changeset
|
2080 %!error <NAME must be a string> iskeyword (1) |
16114
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2081 |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2082 */ |
73a21ade0b6b
* lex.ll: Reorder function definitions.
John W. Eaton <jwe@octave.org>
parents:
16113
diff
changeset
|
2083 |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2084 namespace octave |
16255
12bf6a3f8c45
store more info in token value class
John W. Eaton <jwe@octave.org>
parents:
16253
diff
changeset
|
2085 { |
23599
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents:
23555
diff
changeset
|
2086 void |
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents:
23555
diff
changeset
|
2087 lexical_feedback::symbol_table_context::clear (void) |
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents:
23555
diff
changeset
|
2088 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2089 while (! m_frame_stack.empty ()) |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2090 m_frame_stack.pop_front (); |
23599
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents:
23555
diff
changeset
|
2091 } |
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents:
23555
diff
changeset
|
2092 |
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents:
23555
diff
changeset
|
2093 void |
23602
214cb58ccc1c
use pointer to scope instead of scope id
John W. Eaton <jwe@octave.org>
parents:
23599
diff
changeset
|
2094 lexical_feedback::symbol_table_context::pop (void) |
23599
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents:
23555
diff
changeset
|
2095 { |
23602
214cb58ccc1c
use pointer to scope instead of scope id
John W. Eaton <jwe@octave.org>
parents:
23599
diff
changeset
|
2096 if (empty ()) |
214cb58ccc1c
use pointer to scope instead of scope id
John W. Eaton <jwe@octave.org>
parents:
23599
diff
changeset
|
2097 panic_impossible (); |
214cb58ccc1c
use pointer to scope instead of scope id
John W. Eaton <jwe@octave.org>
parents:
23599
diff
changeset
|
2098 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2099 m_frame_stack.pop_front (); |
23599
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents:
23555
diff
changeset
|
2100 } |
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents:
23555
diff
changeset
|
2101 |
24361
8bcfddad15ec
use shared_ptr to manage symbol_scope objects
John W. Eaton <jwe@octave.org>
parents:
24356
diff
changeset
|
2102 symbol_scope |
23599
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents:
23555
diff
changeset
|
2103 lexical_feedback::symbol_table_context::curr_scope (void) const |
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents:
23555
diff
changeset
|
2104 { |
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents:
23555
diff
changeset
|
2105 if (empty ()) |
27443
075602880383
store ref to interpreter in lexical_feedback and symbol_table_context classes
John W. Eaton <jwe@octave.org>
parents:
27301
diff
changeset
|
2106 return m_interpreter.get_current_scope (); |
23599
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents:
23555
diff
changeset
|
2107 else |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2108 return m_frame_stack.front (); |
23599
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents:
23555
diff
changeset
|
2109 } |
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents:
23555
diff
changeset
|
2110 |
24361
8bcfddad15ec
use shared_ptr to manage symbol_scope objects
John W. Eaton <jwe@octave.org>
parents:
24356
diff
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|
2111 symbol_scope |
23599
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don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
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diff
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|
2112 lexical_feedback::symbol_table_context::parent_scope (void) const |
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents:
23555
diff
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|
2113 { |
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
parents:
23555
diff
changeset
|
2114 size_t sz = size (); |
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
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diff
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|
2115 |
24833
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diff
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|
2116 return (sz > 1 |
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|
2117 ? m_frame_stack[1] |
7c88cf242111
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|
2118 : (sz == 1 ? m_frame_stack[0] : symbol_scope ())); |
23599
5cb3a2bb5e1e
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2119 } |
5cb3a2bb5e1e
don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
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23555
diff
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|
2120 |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
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diff
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|
2121 lexical_feedback::~lexical_feedback (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2122 { |
24833
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diff
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|
2123 m_tokens.clear (); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2124 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2125 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2126 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2127 lexical_feedback::init (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2128 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2129 // The closest paren, brace, or bracket nesting is not an object |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2130 // index. |
24833
7c88cf242111
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|
2131 m_looking_at_object_index.push_front (false); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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|
2132 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
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|
2133 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2134 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2135 lexical_feedback::reset (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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diff
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|
2136 { |
24833
7c88cf242111
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diff
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|
2137 m_end_of_input = false; |
26662
05fc703b419a
update handling of command-style function call syntax in eval
John W. Eaton <jwe@octave.org>
parents:
26661
diff
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|
2138 m_allow_command_syntax = true; |
24833
7c88cf242111
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|
2139 m_at_beginning_of_statement = true; |
7c88cf242111
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|
2140 m_looking_at_anon_fcn_args = false; |
7c88cf242111
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2141 m_looking_at_return_list = false; |
7c88cf242111
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2142 m_looking_at_parameter_list = false; |
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2143 m_looking_at_decl_list = false; |
7c88cf242111
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|
2144 m_looking_at_initializer_expression = false; |
7c88cf242111
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|
2145 m_looking_at_matrix_or_assign_lhs = false; |
7c88cf242111
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2146 m_looking_for_object_index = false; |
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|
2147 m_looking_at_indirect_ref = false; |
27736
bd80e14f268a
improve parse error message for @()x+=expr (bug #57255)
John W. Eaton <jwe@octave.org>
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27578
diff
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|
2148 m_parsing_anon_fcn_body = false; |
24833
7c88cf242111
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|
2149 m_parsing_class_method = false; |
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|
2150 m_parsing_classdef = false; |
26709
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
2151 m_parsing_classdef_decl = false; |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
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26708
diff
changeset
|
2152 m_parsing_classdef_superclass = false; |
24833
7c88cf242111
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|
2153 m_maybe_classdef_get_set_method = false; |
7c88cf242111
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|
2154 m_parsing_classdef_get_method = false; |
7c88cf242111
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|
2155 m_parsing_classdef_set_method = false; |
7c88cf242111
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|
2156 m_quote_is_transpose = false; |
7c88cf242111
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|
2157 m_force_script = false; |
7c88cf242111
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diff
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|
2158 m_reading_fcn_file = false; |
7c88cf242111
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|
2159 m_reading_script_file = false; |
7c88cf242111
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|
2160 m_reading_classdef_file = false; |
7c88cf242111
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|
2161 m_buffer_function_text = false; |
7c88cf242111
use m_ prefix for data members in more classes
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|
2162 m_bracketflag = 0; |
7c88cf242111
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|
2163 m_braceflag = 0; |
7c88cf242111
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|
2164 m_looping = 0; |
7c88cf242111
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|
2165 m_defining_func = 0; |
7c88cf242111
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|
2166 m_looking_at_function_handle = 0; |
7c88cf242111
use m_ prefix for data members in more classes
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diff
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|
2167 m_block_comment_nesting_level = 0; |
7c88cf242111
use m_ prefix for data members in more classes
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diff
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|
2168 m_command_arg_paren_count = 0; |
7c88cf242111
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parents:
24534
diff
changeset
|
2169 m_token_count = 0; |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
2170 m_filepos = filepos (); |
27768
d6701f835496
use filepos object to store beginning position of character strings
John W. Eaton <jwe@octave.org>
parents:
27766
diff
changeset
|
2171 m_beg_string = filepos (); |
d6701f835496
use filepos object to store beginning position of character strings
John W. Eaton <jwe@octave.org>
parents:
27766
diff
changeset
|
2172 m_string_text = ""; |
24833
7c88cf242111
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diff
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|
2173 m_current_input_line = ""; |
7c88cf242111
use m_ prefix for data members in more classes
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diff
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|
2174 m_comment_text = ""; |
7c88cf242111
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John W. Eaton <jwe@octave.org>
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diff
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|
2175 m_help_text = ""; |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
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diff
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|
2176 m_function_text = ""; |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
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|
2177 m_fcn_file_name = ""; |
7c88cf242111
use m_ prefix for data members in more classes
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diff
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|
2178 m_fcn_file_full_name = ""; |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
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diff
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|
2179 m_dir_name = ""; |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2180 m_package_name = ""; |
7c88cf242111
use m_ prefix for data members in more classes
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|
2181 m_looking_at_object_index.clear (); |
7c88cf242111
use m_ prefix for data members in more classes
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|
2182 m_looking_at_object_index.push_front (false); |
7c88cf242111
use m_ prefix for data members in more classes
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parents:
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diff
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|
2183 |
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use m_ prefix for data members in more classes
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parents:
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diff
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|
2184 while (! m_parsed_function_name.empty ()) |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2185 m_parsed_function_name.pop (); |
7c88cf242111
use m_ prefix for data members in more classes
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diff
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|
2186 |
7c88cf242111
use m_ prefix for data members in more classes
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parents:
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diff
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|
2187 m_pending_local_variables.clear (); |
7c88cf242111
use m_ prefix for data members in more classes
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parents:
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diff
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|
2188 m_symtab_context.clear (); |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2189 m_nesting_level.reset (); |
7c88cf242111
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John W. Eaton <jwe@octave.org>
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diff
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|
2190 m_tokens.clear (); |
22196
dd992fd74fce
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
2191 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2192 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2193 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2194 lexical_feedback::previous_token_value (void) const |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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22094
diff
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|
2195 { |
24833
7c88cf242111
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diff
changeset
|
2196 const token *tok = m_tokens.front (); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2197 return tok ? tok->token_value () : 0; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2198 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2199 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2200 bool |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2201 lexical_feedback::previous_token_value_is (int tok_val) const |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2202 { |
24833
7c88cf242111
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John W. Eaton <jwe@octave.org>
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24534
diff
changeset
|
2203 const token *tok = m_tokens.front (); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2204 return tok ? tok->token_value_is (tok_val) : false; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
2205 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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22094
diff
changeset
|
2206 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
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|
2207 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
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|
2208 lexical_feedback::mark_previous_token_trailing_space (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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diff
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|
2209 { |
24833
7c88cf242111
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John W. Eaton <jwe@octave.org>
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changeset
|
2210 token *tok = m_tokens.front (); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2211 if (tok && ! previous_token_value_is ('\n')) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2212 tok->mark_trailing_space (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
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diff
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|
2213 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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diff
changeset
|
2214 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
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diff
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|
2215 bool |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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22094
diff
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|
2216 lexical_feedback::space_follows_previous_token (void) const |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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22094
diff
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|
2217 { |
24833
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|
2218 const token *tok = m_tokens.front (); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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diff
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|
2219 return tok ? tok->space_follows_token () : false; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
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diff
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|
2220 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
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diff
changeset
|
2221 |
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|
2222 bool |
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put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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changeset
|
2223 lexical_feedback::previous_token_is_binop (void) const |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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22094
diff
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|
2224 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
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22094
diff
changeset
|
2225 int tok = previous_token_value (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
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|
2226 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2227 return (tok == '+' || tok == '-' || tok == '@' |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2228 || tok == ',' || tok == ';' || tok == '*' || tok == '/' |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2229 || tok == ':' || tok == '=' || tok == ADD_EQ |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2230 || tok == AND_EQ || tok == DIV_EQ || tok == EDIV |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2231 || tok == EDIV_EQ || tok == ELEFTDIV || tok == ELEFTDIV_EQ |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2232 || tok == EMINUS || tok == EMUL || tok == EMUL_EQ |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2233 || tok == EPOW || tok == EPOW_EQ || tok == EXPR_AND |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2234 || tok == EXPR_AND_AND || tok == EXPR_EQ || tok == EXPR_GE |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2235 || tok == EXPR_GT || tok == EXPR_LE || tok == EXPR_LT |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2236 || tok == EXPR_NE || tok == EXPR_NOT || tok == EXPR_OR |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2237 || tok == EXPR_OR_OR || tok == LEFTDIV || tok == LEFTDIV_EQ |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2238 || tok == MUL_EQ || tok == OR_EQ || tok == POW |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2239 || tok == POW_EQ || tok == SUB_EQ); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2240 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2241 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2242 bool |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2243 lexical_feedback::previous_token_is_keyword (void) const |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2244 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2245 const token *tok = m_tokens.front (); |
26059
da2bbcf1fbcd
Deprecate C++ function is_keyword in favor of iskeyword for readability.
Rik <rik@octave.org>
parents:
25994
diff
changeset
|
2246 return tok ? tok->iskeyword () : false; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2247 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2248 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2249 bool |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2250 lexical_feedback::previous_token_may_be_command (void) const |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2251 { |
26662
05fc703b419a
update handling of command-style function call syntax in eval
John W. Eaton <jwe@octave.org>
parents:
26661
diff
changeset
|
2252 if (! m_allow_command_syntax) |
05fc703b419a
update handling of command-style function call syntax in eval
John W. Eaton <jwe@octave.org>
parents:
26661
diff
changeset
|
2253 return false; |
05fc703b419a
update handling of command-style function call syntax in eval
John W. Eaton <jwe@octave.org>
parents:
26661
diff
changeset
|
2254 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2255 const token *tok = m_tokens.front (); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2256 return tok ? tok->may_be_command () : false; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2257 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2258 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2259 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2260 lexical_feedback::maybe_mark_previous_token_as_variable (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2261 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2262 token *tok = m_tokens.front (); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2263 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2264 if (tok && tok->is_symbol ()) |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2265 m_pending_local_variables.insert (tok->symbol_name ()); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2266 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2267 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2268 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2269 lexical_feedback::mark_as_variables (const std::list<std::string>& lst) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2270 { |
22872
551ac93c984c
maint: Use C++ range feature to simplify some for loops in libinterp/parse-tree
Rik <rik@octave.org>
parents:
22857
diff
changeset
|
2271 for (const auto& var : lst) |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2272 m_pending_local_variables.insert (var); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2273 } |
16360
11115c237231
recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents:
16337
diff
changeset
|
2274 } |
11115c237231
recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents:
16337
diff
changeset
|
2275 |
16228
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
2276 static bool |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
2277 looks_like_copyright (const std::string& s) |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
2278 { |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
2279 bool retval = false; |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
2280 |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
2281 if (! s.empty ()) |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
2282 { |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
2283 size_t offset = s.find_first_not_of (" \t"); |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
2284 |
23555
9151922777e2
Pick correct help text when shebang is present (bug #51191).
Rik <rik@octave.org>
parents:
23479
diff
changeset
|
2285 retval = (s.substr (offset, 9) == "Copyright" |
27086
007fcab79721
interpret "SPDX-License-Identifier" comments as copyright headers (bug #56121)
Mike Miller <mtmiller@octave.org>
parents:
27052
diff
changeset
|
2286 || s.substr (offset, 6) == "Author" |
007fcab79721
interpret "SPDX-License-Identifier" comments as copyright headers (bug #56121)
Mike Miller <mtmiller@octave.org>
parents:
27052
diff
changeset
|
2287 || s.substr (offset, 23) == "SPDX-License-Identifier"); |
16228
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
2288 } |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
2289 |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
2290 return retval; |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
2291 } |
e19b1632d7c1
revamp most comment handling
John W. Eaton <jwe@octave.org>
parents:
16224
diff
changeset
|
2292 |
23555
9151922777e2
Pick correct help text when shebang is present (bug #51191).
Rik <rik@octave.org>
parents:
23479
diff
changeset
|
2293 static bool |
9151922777e2
Pick correct help text when shebang is present (bug #51191).
Rik <rik@octave.org>
parents:
23479
diff
changeset
|
2294 looks_like_shebang (const std::string& s) |
9151922777e2
Pick correct help text when shebang is present (bug #51191).
Rik <rik@octave.org>
parents:
23479
diff
changeset
|
2295 { |
9151922777e2
Pick correct help text when shebang is present (bug #51191).
Rik <rik@octave.org>
parents:
23479
diff
changeset
|
2296 return ((! s.empty ()) && (s[0] == '!')); |
9151922777e2
Pick correct help text when shebang is present (bug #51191).
Rik <rik@octave.org>
parents:
23479
diff
changeset
|
2297 } |
9151922777e2
Pick correct help text when shebang is present (bug #51191).
Rik <rik@octave.org>
parents:
23479
diff
changeset
|
2298 |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2299 namespace octave |
1 | 2300 { |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2301 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2302 base_lexer::input_buffer::fill (const std::string& input, bool eof_arg) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2303 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2304 m_buffer = input; |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2305 m_chars_left = m_buffer.length (); |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2306 m_pos = m_buffer.c_str (); |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2307 m_eof = eof_arg; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2308 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2309 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2310 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2311 base_lexer::input_buffer::copy_chunk (char *buf, size_t max_size) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2312 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2313 static const char * const eol = "\n"; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2314 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2315 size_t len = max_size > m_chars_left ? m_chars_left : max_size; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2316 assert (len > 0); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2317 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2318 memcpy (buf, m_pos, len); |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2319 |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2320 m_chars_left -= len; |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2321 m_pos += len; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2322 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2323 // Make sure input ends with a new line character. |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2324 if (m_chars_left == 0 && buf[len-1] != '\n') |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2325 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2326 if (len < max_size) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2327 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2328 // There is enough room to plug the newline character in |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2329 // the buffer. |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2330 buf[len++] = '\n'; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2331 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2332 else |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2333 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2334 // There isn't enough room to plug the newline character |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2335 // in the buffer so arrange to have it returned on the next |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2336 // call to base_lexer::read. |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2337 m_pos = eol; |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2338 m_chars_left = 1; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2339 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2340 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2341 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2342 return len; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2343 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2344 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2345 base_lexer::~base_lexer (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2346 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2347 yylex_destroy (m_scanner); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2348 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2349 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2350 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2351 base_lexer::init (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2352 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2353 yylex_init (&m_scanner); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2354 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2355 // Make base_lexer object available through yyextra in |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2356 // flex-generated lexer. |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2357 yyset_extra (this, m_scanner); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2358 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2359 clear_start_state (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2360 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2361 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2362 // Inside Flex-generated functions, yyg is the scanner cast to its real |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2363 // type. Some flex macros that we use in base_lexer member functions |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2364 // (for example, BEGIN) use yyg. If we could perform the actions of |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2365 // these macros with functions instead, we could eliminate the |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2366 // OCTAVE_YYG macro. |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2367 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2368 #define OCTAVE_YYG \ |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2369 struct yyguts_t *yyg = static_cast<struct yyguts_t*> (m_scanner) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2370 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2371 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2372 base_lexer::reset (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2373 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2374 // Start off on the right foot. |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2375 clear_start_state (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2376 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2377 m_symtab_context.clear (); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2378 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2379 // Only ask for input from stdin if we are expecting interactive |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
2380 // input. |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2381 |
27301
a2b1ba6c92d5
eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents:
27086
diff
changeset
|
2382 if (m_interpreter.interactive () |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2383 && ! (m_reading_fcn_file |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2384 || m_reading_classdef_file |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2385 || m_reading_script_file |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2386 || input_from_eval_string ())) |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2387 yyrestart (stdin, m_scanner); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2388 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2389 lexical_feedback::reset (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2390 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2391 m_comment_buf.reset (); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2392 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2393 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2394 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2395 base_lexer::prep_for_file (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2396 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2397 m_reading_script_file = true; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2398 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2399 push_start_state (INPUT_FILE_START); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2400 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2401 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2402 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2403 base_lexer::begin_string (int state) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2404 { |
27768
d6701f835496
use filepos object to store beginning position of character strings
John W. Eaton <jwe@octave.org>
parents:
27766
diff
changeset
|
2405 m_beg_string = m_filepos; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2406 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2407 push_start_state (state); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2408 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2409 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2410 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2411 base_lexer::handle_end_of_input (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2412 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2413 lexer_debug ("<<EOF>>"); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2414 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2415 if (m_block_comment_nesting_level != 0) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2416 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2417 warning ("block comment open at end of input"); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2418 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2419 if ((m_reading_fcn_file || m_reading_script_file || m_reading_classdef_file) |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2420 && ! m_fcn_file_name.empty ()) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2421 warning ("near line %d of file '%s.m'", |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
2422 m_filepos.line (), m_fcn_file_name.c_str ()); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2423 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2424 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2425 return handle_token (END_OF_INPUT); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2426 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2427 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2428 char * |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2429 base_lexer::flex_yytext (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2430 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2431 return yyget_text (m_scanner); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2432 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2433 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2434 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2435 base_lexer::flex_yyleng (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2436 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2437 return yyget_leng (m_scanner); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2438 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2439 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2440 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2441 base_lexer::text_yyinput (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2442 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2443 int c = yyinput (m_scanner); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2444 |
25443
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
2445 if (debug_flag ()) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2446 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2447 std::cerr << "I: "; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2448 display_character (c); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2449 std::cerr << std::endl; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2450 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2451 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2452 // Convert CRLF into just LF and single CR into LF. |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2453 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2454 if (c == '\r') |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2455 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2456 c = yyinput (m_scanner); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2457 |
25443
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
2458 if (debug_flag ()) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2459 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2460 std::cerr << "I: "; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2461 display_character (c); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2462 std::cerr << std::endl; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2463 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2464 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2465 if (c != '\n') |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2466 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2467 xunput (c); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2468 c = '\n'; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2469 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2470 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2471 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2472 return c; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2473 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2474 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2475 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2476 base_lexer::xunput (char c, char *buf) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2477 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2478 if (c != EOF) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2479 { |
25443
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
2480 if (debug_flag ()) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2481 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2482 std::cerr << "U: "; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2483 display_character (c); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2484 std::cerr << std::endl; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2485 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2486 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2487 yyunput (c, buf, m_scanner); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2488 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2489 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2490 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2491 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2492 base_lexer::xunput (char c) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2493 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2494 char *yytxt = flex_yytext (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2495 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2496 xunput (c, yytxt); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2497 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2498 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2499 bool |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2500 base_lexer::looking_at_space (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2501 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2502 int c = text_yyinput (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2503 xunput (c); |
26710
d6dd07dce2d2
use inline functions for matching whitespace in lexer
John W. Eaton <jwe@octave.org>
parents:
26709
diff
changeset
|
2504 return is_space_or_tab (c); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2505 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2506 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2507 bool |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2508 base_lexer::inside_any_object_index (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2509 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2510 bool retval = false; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2511 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2512 for (const bool is_obj_idx : m_looking_at_object_index) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2513 { |
22872
551ac93c984c
maint: Use C++ range feature to simplify some for loops in libinterp/parse-tree
Rik <rik@octave.org>
parents:
22857
diff
changeset
|
2514 if (is_obj_idx) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2515 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2516 retval = true; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2517 break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2518 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2519 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2520 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2521 return retval; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2522 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2523 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2524 bool |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2525 base_lexer::is_variable (const std::string& name, |
26661
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26482
diff
changeset
|
2526 const symbol_scope& /*scope*/) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2527 { |
26662
05fc703b419a
update handling of command-style function call syntax in eval
John W. Eaton <jwe@octave.org>
parents:
26661
diff
changeset
|
2528 return ((m_interpreter.at_top_level () |
05fc703b419a
update handling of command-style function call syntax in eval
John W. Eaton <jwe@octave.org>
parents:
26661
diff
changeset
|
2529 && m_interpreter.is_variable (name)) |
05fc703b419a
update handling of command-style function call syntax in eval
John W. Eaton <jwe@octave.org>
parents:
26661
diff
changeset
|
2530 || (m_pending_local_variables.find (name) |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2531 != m_pending_local_variables.end ())); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2532 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2533 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2534 // Handle keywords. Return -1 if the keyword should be ignored. |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2535 |
27771
cd566153edd6
split base_lexer::is_keyword_token into two functions
John W. Eaton <jwe@octave.org>
parents:
27770
diff
changeset
|
2536 bool |
cd566153edd6
split base_lexer::is_keyword_token into two functions
John W. Eaton <jwe@octave.org>
parents:
27770
diff
changeset
|
2537 base_lexer::is_keyword_token (const std::string& s) |
cd566153edd6
split base_lexer::is_keyword_token into two functions
John W. Eaton <jwe@octave.org>
parents:
27770
diff
changeset
|
2538 { |
cd566153edd6
split base_lexer::is_keyword_token into two functions
John W. Eaton <jwe@octave.org>
parents:
27770
diff
changeset
|
2539 int len = s.length (); |
cd566153edd6
split base_lexer::is_keyword_token into two functions
John W. Eaton <jwe@octave.org>
parents:
27770
diff
changeset
|
2540 |
cd566153edd6
split base_lexer::is_keyword_token into two functions
John W. Eaton <jwe@octave.org>
parents:
27770
diff
changeset
|
2541 return octave_kw_hash::in_word_set (s.c_str (), len); |
cd566153edd6
split base_lexer::is_keyword_token into two functions
John W. Eaton <jwe@octave.org>
parents:
27770
diff
changeset
|
2542 } |
cd566153edd6
split base_lexer::is_keyword_token into two functions
John W. Eaton <jwe@octave.org>
parents:
27770
diff
changeset
|
2543 |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2544 int |
27771
cd566153edd6
split base_lexer::is_keyword_token into two functions
John W. Eaton <jwe@octave.org>
parents:
27770
diff
changeset
|
2545 base_lexer::make_keyword_token (const std::string& s) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2546 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2547 int len = s.length (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2548 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2549 const octave_kw *kw = octave_kw_hash::in_word_set (s.c_str (), len); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2550 |
27770 | 2551 if (! kw) |
2552 return 0; | |
2553 | |
2554 bool previous_at_bos = m_at_beginning_of_statement; | |
2555 | |
2556 // May be reset to true for some token types. | |
2557 m_at_beginning_of_statement = false; | |
2558 | |
2559 token *tok_val = nullptr; | |
2560 | |
2561 switch (kw->kw_id) | |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2562 { |
27770 | 2563 case break_kw: |
2564 case catch_kw: | |
2565 case continue_kw: | |
2566 case else_kw: | |
2567 case otherwise_kw: | |
2568 case return_kw: | |
2569 case unwind_protect_cleanup_kw: | |
2570 m_at_beginning_of_statement = true; | |
2571 break; | |
2572 | |
2573 case persistent_kw: | |
2574 case global_kw: | |
2575 m_looking_at_decl_list = true; | |
2576 break; | |
2577 | |
2578 case case_kw: | |
2579 case elseif_kw: | |
2580 case until_kw: | |
2581 break; | |
2582 | |
2583 case end_kw: | |
2584 if (inside_any_object_index () | |
2585 || (m_defining_func | |
2586 && ! (m_looking_at_return_list | |
2587 || m_parsed_function_name.top ()))) | |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2588 { |
27770 | 2589 m_at_beginning_of_statement = previous_at_bos; |
2590 return 0; | |
2591 } | |
2592 | |
2593 tok_val = new token (end_kw, token::simple_end, m_filepos, | |
2594 m_filepos); | |
2595 m_at_beginning_of_statement = true; | |
2596 break; | |
2597 | |
2598 case end_try_catch_kw: | |
2599 tok_val = new token (end_try_catch_kw, token::try_catch_end, | |
2600 m_filepos, m_filepos); | |
2601 m_at_beginning_of_statement = true; | |
2602 break; | |
2603 | |
2604 case end_unwind_protect_kw: | |
2605 tok_val = new token (end_unwind_protect_kw, | |
2606 token::unwind_protect_end, m_filepos, | |
2607 m_filepos); | |
2608 m_at_beginning_of_statement = true; | |
2609 break; | |
2610 | |
2611 case endfor_kw: | |
2612 tok_val = new token (endfor_kw, token::for_end, m_filepos, | |
2613 m_filepos); | |
2614 m_at_beginning_of_statement = true; | |
2615 break; | |
2616 | |
2617 case endfunction_kw: | |
2618 tok_val = new token (endfunction_kw, token::function_end, | |
2619 m_filepos, m_filepos); | |
2620 m_at_beginning_of_statement = true; | |
2621 break; | |
2622 | |
2623 case endif_kw: | |
2624 tok_val = new token (endif_kw, token::if_end, m_filepos, m_filepos); | |
2625 m_at_beginning_of_statement = true; | |
2626 break; | |
2627 | |
2628 case endparfor_kw: | |
2629 tok_val = new token (endparfor_kw, token::parfor_end, m_filepos, | |
2630 m_filepos); | |
2631 m_at_beginning_of_statement = true; | |
2632 break; | |
2633 | |
2634 case endswitch_kw: | |
2635 tok_val = new token (endswitch_kw, token::switch_end, m_filepos, | |
2636 m_filepos); | |
2637 m_at_beginning_of_statement = true; | |
2638 break; | |
2639 | |
2640 case endwhile_kw: | |
2641 tok_val = new token (endwhile_kw, token::while_end, m_filepos, | |
2642 m_filepos); | |
2643 m_at_beginning_of_statement = true; | |
2644 break; | |
2645 | |
2646 case endclassdef_kw: | |
2647 tok_val = new token (endclassdef_kw, token::classdef_end, | |
2648 m_filepos, m_filepos); | |
2649 m_at_beginning_of_statement = true; | |
2650 break; | |
2651 | |
2652 case endenumeration_kw: | |
2653 tok_val = new token (endenumeration_kw, token::enumeration_end, | |
2654 m_filepos, m_filepos); | |
2655 m_at_beginning_of_statement = true; | |
2656 break; | |
2657 | |
2658 case endevents_kw: | |
2659 tok_val = new token (endevents_kw, token::events_end, m_filepos, | |
2660 m_filepos); | |
2661 m_at_beginning_of_statement = true; | |
2662 break; | |
2663 | |
2664 case endmethods_kw: | |
2665 tok_val = new token (endmethods_kw, token::methods_end, m_filepos, | |
2666 m_filepos); | |
2667 m_at_beginning_of_statement = true; | |
2668 break; | |
2669 | |
2670 case endproperties_kw: | |
2671 tok_val = new token (endproperties_kw, token::properties_end, | |
2672 m_filepos, m_filepos); | |
2673 m_at_beginning_of_statement = true; | |
2674 break; | |
2675 | |
2676 | |
2677 case for_kw: | |
2678 case parfor_kw: | |
2679 case while_kw: | |
2680 m_looping++; | |
2681 break; | |
2682 | |
2683 case do_kw: | |
2684 m_at_beginning_of_statement = true; | |
2685 m_looping++; | |
2686 break; | |
2687 | |
2688 case try_kw: | |
2689 case unwind_protect_kw: | |
2690 m_at_beginning_of_statement = true; | |
2691 break; | |
2692 | |
2693 case if_kw: | |
2694 case switch_kw: | |
2695 break; | |
2696 | |
2697 case get_kw: | |
2698 case set_kw: | |
2699 // 'get' and 'set' are keywords in classdef method | |
2700 // declarations. | |
2701 if (! m_maybe_classdef_get_set_method) | |
2702 { | |
2703 m_at_beginning_of_statement = previous_at_bos; | |
2704 return 0; | |
2705 } | |
2706 break; | |
2707 | |
2708 case enumeration_kw: | |
2709 case events_kw: | |
2710 case methods_kw: | |
2711 case properties_kw: | |
2712 // 'properties', 'methods' and 'events' are keywords for | |
2713 // classdef blocks. | |
2714 if (! m_parsing_classdef) | |
2715 { | |
2716 m_at_beginning_of_statement = previous_at_bos; | |
2717 return 0; | |
2718 } | |
2719 // fall through ... | |
2720 | |
2721 case classdef_kw: | |
2722 // 'classdef' is always a keyword. | |
2723 if (! m_force_script && m_token_count == 0 && input_from_file ()) | |
2724 { | |
2725 m_reading_classdef_file = true; | |
2726 m_reading_script_file = false; | |
2727 } | |
2728 break; | |
2729 | |
2730 case function_kw: | |
2731 m_defining_func++; | |
2732 m_parsed_function_name.push (false); | |
2733 | |
2734 if (! m_force_script && m_token_count == 0 && input_from_file ()) | |
2735 { | |
2736 m_reading_fcn_file = true; | |
2737 m_reading_script_file = false; | |
2738 } | |
2739 | |
2740 if (! (m_reading_fcn_file || m_reading_script_file | |
2741 || m_reading_classdef_file)) | |
2742 { | |
2743 // Input must be coming from the terminal or stdin? | |
2744 m_buffer_function_text = true; | |
2745 m_function_text += (m_current_input_line + "\n"); | |
2746 | |
2747 // FIXME: do we need to save and restore the file position | |
2748 // or just reset the line number here? The goal is to | |
2749 // track line info for command-line functions relative | |
2750 // to the function keyword. | |
2751 m_filepos.line (1); | |
2752 } | |
2753 break; | |
2754 | |
2755 case magic_file_kw: | |
2756 { | |
2757 if ((m_reading_fcn_file || m_reading_script_file | |
2758 || m_reading_classdef_file) | |
2759 && ! m_fcn_file_full_name.empty ()) | |
2760 tok_val = new token (magic_file_kw, m_fcn_file_full_name, | |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
2761 m_filepos, m_filepos); |
27770 | 2762 else |
2763 tok_val = new token (magic_file_kw, "stdin", m_filepos, | |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
2764 m_filepos); |
27770 | 2765 } |
2766 break; | |
2767 | |
2768 case magic_line_kw: | |
2769 { | |
2770 int l = m_filepos.line (); | |
2771 tok_val = new token (magic_line_kw, static_cast<double> (l), | |
2772 "", m_filepos, m_filepos); | |
2773 } | |
2774 break; | |
2775 | |
2776 default: | |
2777 panic_impossible (); | |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2778 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2779 |
27770 | 2780 if (! tok_val) |
2781 tok_val = new token (kw->tok, true, m_filepos, m_filepos); | |
2782 | |
2783 push_token (tok_val); | |
2784 | |
2785 return kw->tok; | |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2786 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2787 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2788 bool |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2789 base_lexer::fq_identifier_contains_keyword (const std::string& s) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2790 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2791 size_t p1 = 0; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2792 size_t p2; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2793 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2794 std::string s_part; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2795 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2796 do |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2797 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2798 p2 = s.find ('.', p1); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2799 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2800 if (p2 != std::string::npos) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
2801 { |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2802 s_part = s.substr (p1, p2 - p1); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2803 p1 = p2 + 1; |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
2804 } |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2805 else |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2806 s_part = s.substr (p1); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2807 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2808 if (is_keyword_token (s_part)) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2809 return true; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2810 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2811 while (p2 != std::string::npos); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2812 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2813 return false; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2814 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2815 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2816 bool |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2817 base_lexer::whitespace_is_significant (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2818 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2819 return (m_nesting_level.is_bracket () |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2820 || (m_nesting_level.is_brace () |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2821 && ! m_looking_at_object_index.front ())); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2822 } |
16257
db7f07b22b9b
1/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16255
diff
changeset
|
2823 } |
db7f07b22b9b
1/10 commits reworking the lexer
John W. Eaton <jwe@octave.org>
parents:
16255
diff
changeset
|
2824 |
3220 | 2825 static inline bool |
20589
7c0e10f035bd
Extend parser to accept binary constants that begin with '0b' or '0B'.
Rik <rik@octave.org>
parents:
20588
diff
changeset
|
2826 looks_like_bin (const char *s, int len) |
7c0e10f035bd
Extend parser to accept binary constants that begin with '0b' or '0B'.
Rik <rik@octave.org>
parents:
20588
diff
changeset
|
2827 { |
7c0e10f035bd
Extend parser to accept binary constants that begin with '0b' or '0B'.
Rik <rik@octave.org>
parents:
20588
diff
changeset
|
2828 return (len > 2 && s[0] == '0' && (s[1] == 'b' || s[1] == 'B')); |
7c0e10f035bd
Extend parser to accept binary constants that begin with '0b' or '0B'.
Rik <rik@octave.org>
parents:
20588
diff
changeset
|
2829 } |
7c0e10f035bd
Extend parser to accept binary constants that begin with '0b' or '0B'.
Rik <rik@octave.org>
parents:
20588
diff
changeset
|
2830 |
7c0e10f035bd
Extend parser to accept binary constants that begin with '0b' or '0B'.
Rik <rik@octave.org>
parents:
20588
diff
changeset
|
2831 static inline bool |
3220 | 2832 looks_like_hex (const char *s, int len) |
2833 { | |
2834 return (len > 2 && s[0] == '0' && (s[1] == 'x' || s[1] == 'X')); | |
2835 } | |
2836 | |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2837 namespace octave |
4037 | 2838 { |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2839 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2840 base_lexer::handle_number (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2841 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2842 double value = 0.0; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2843 int nread = 0; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2844 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2845 char *yytxt = flex_yytext (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2846 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2847 // Strip any underscores |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2848 char *tmptxt = strsave (yytxt); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2849 char *rptr = tmptxt; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2850 char *wptr = tmptxt; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2851 while (*rptr) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2852 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2853 *wptr = *rptr++; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2854 wptr += (*wptr != '_'); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2855 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2856 *wptr = '\0'; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2857 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2858 if (looks_like_hex (tmptxt, strlen (tmptxt))) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2859 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2860 uintmax_t long_int_value; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2861 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2862 nread = sscanf (tmptxt, "%jx", &long_int_value); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2863 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2864 value = static_cast<double> (long_int_value); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2865 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2866 else if (looks_like_bin (tmptxt, strlen (tmptxt))) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2867 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2868 uintmax_t long_int_value = 0; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2869 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2870 for (size_t i = 0; i < strlen (tmptxt); i++) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2871 { |
23211
08042580fe93
Fix incorrect handling of 0b binary numbers in complex contstants.
Rik <rik@octave.org>
parents:
22505
diff
changeset
|
2872 if (tmptxt[i] == '0') |
08042580fe93
Fix incorrect handling of 0b binary numbers in complex contstants.
Rik <rik@octave.org>
parents:
22505
diff
changeset
|
2873 long_int_value <<= 1; |
08042580fe93
Fix incorrect handling of 0b binary numbers in complex contstants.
Rik <rik@octave.org>
parents:
22505
diff
changeset
|
2874 else if (tmptxt[i] == '1') |
08042580fe93
Fix incorrect handling of 0b binary numbers in complex contstants.
Rik <rik@octave.org>
parents:
22505
diff
changeset
|
2875 { |
08042580fe93
Fix incorrect handling of 0b binary numbers in complex contstants.
Rik <rik@octave.org>
parents:
22505
diff
changeset
|
2876 long_int_value <<= 1; |
08042580fe93
Fix incorrect handling of 0b binary numbers in complex contstants.
Rik <rik@octave.org>
parents:
22505
diff
changeset
|
2877 long_int_value += 1; |
08042580fe93
Fix incorrect handling of 0b binary numbers in complex contstants.
Rik <rik@octave.org>
parents:
22505
diff
changeset
|
2878 } |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2879 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2880 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2881 value = static_cast<double> (long_int_value); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2882 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2883 nread = 1; // Just to pass the assert stmt below |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2884 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2885 else |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2886 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2887 char *idx = strpbrk (tmptxt, "Dd"); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2888 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2889 if (idx) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2890 *idx = 'e'; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2891 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2892 nread = sscanf (tmptxt, "%lf", &value); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2893 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2894 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2895 delete [] tmptxt; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2896 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2897 // If yytext doesn't contain a valid number, we are in deep doo doo. |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2898 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2899 assert (nread == 1); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2900 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2901 m_looking_for_object_index = false; |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2902 m_at_beginning_of_statement = false; |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2903 |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
2904 push_token (new token (NUM, value, yytxt, m_filepos, m_filepos)); |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
2905 |
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
2906 m_filepos.increment_column (flex_yyleng ()); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2907 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2908 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2909 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2910 base_lexer::handle_continuation (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2911 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2912 char *yytxt = flex_yytext (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2913 int yylng = flex_yyleng (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2914 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2915 int offset = 1; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2916 if (yytxt[0] == '\\') |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2917 warn_language_extension_continuation (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2918 else |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2919 offset = 3; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2920 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2921 bool have_space = false; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2922 while (offset < yylng) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2923 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2924 char c = yytxt[offset]; |
26710
d6dd07dce2d2
use inline functions for matching whitespace in lexer
John W. Eaton <jwe@octave.org>
parents:
26709
diff
changeset
|
2925 if (is_space_or_tab (c)) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2926 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2927 have_space = true; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2928 offset++; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2929 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2930 else |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2931 break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2932 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2933 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2934 if (have_space) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2935 mark_previous_token_trailing_space (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2936 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2937 bool have_comment = false; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2938 while (offset < yylng) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2939 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2940 char c = yytxt[offset]; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2941 if (c == '#' || c == '%') |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2942 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2943 have_comment = true; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2944 offset++; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2945 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2946 else |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2947 break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2948 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2949 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2950 if (have_comment) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2951 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2952 m_comment_text = &yytxt[offset]; |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2953 |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2954 // finish_comment sets m_at_beginning_of_statement to true but |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2955 // that's not be correct if we are handling a continued |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2956 // statement. Preserve the current state. |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2957 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2958 bool saved_bos = m_at_beginning_of_statement; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2959 |
23750
ea879bc55272
move comment_list and comment_elt classes to octave namespace
John W. Eaton <jwe@octave.org>
parents:
23730
diff
changeset
|
2960 finish_comment (comment_elt::end_of_line); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2961 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2962 m_at_beginning_of_statement = saved_bos; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2963 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2964 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
2965 m_filepos.next_line (); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2966 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2967 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2968 void |
23750
ea879bc55272
move comment_list and comment_elt classes to octave namespace
John W. Eaton <jwe@octave.org>
parents:
23730
diff
changeset
|
2969 base_lexer::finish_comment (comment_elt::comment_type typ) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2970 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2971 bool copyright = looks_like_copyright (m_comment_text); |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2972 |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2973 if (m_nesting_level.none () && m_help_text.empty () && ! m_comment_text.empty () |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2974 && ! copyright && ! looks_like_shebang (m_comment_text)) |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2975 m_help_text = m_comment_text; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2976 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2977 if (copyright) |
23750
ea879bc55272
move comment_list and comment_elt classes to octave namespace
John W. Eaton <jwe@octave.org>
parents:
23730
diff
changeset
|
2978 typ = comment_elt::copyright; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2979 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2980 m_comment_buf.append (m_comment_text, typ); |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2981 |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2982 m_comment_text = ""; |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2983 |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2984 m_at_beginning_of_statement = true; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2985 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2986 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2987 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2988 base_lexer::handle_close_bracket (int bracket_type) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2989 { |
25708
ca38400776bc
track column count in lexer in a few more places (bug #34852)
John W. Eaton <jwe@octave.org>
parents:
25646
diff
changeset
|
2990 m_looking_at_object_index.pop_front (); |
ca38400776bc
track column count in lexer in a few more places (bug #34852)
John W. Eaton <jwe@octave.org>
parents:
25646
diff
changeset
|
2991 |
ca38400776bc
track column count in lexer in a few more places (bug #34852)
John W. Eaton <jwe@octave.org>
parents:
25646
diff
changeset
|
2992 m_looking_for_object_index = true; |
ca38400776bc
track column count in lexer in a few more places (bug #34852)
John W. Eaton <jwe@octave.org>
parents:
25646
diff
changeset
|
2993 m_at_beginning_of_statement = false; |
ca38400776bc
track column count in lexer in a few more places (bug #34852)
John W. Eaton <jwe@octave.org>
parents:
25646
diff
changeset
|
2994 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
2995 m_filepos.increment_column (); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
2996 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2997 if (! m_nesting_level.none ()) |
16126
5c885c13bfa3
localize use of yylval.tok_val in lexical_feedback member functions
John W. Eaton <jwe@octave.org>
parents:
16125
diff
changeset
|
2998 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
2999 m_nesting_level.remove (); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3000 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3001 if (bracket_type == ']') |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3002 m_bracketflag--; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3003 else if (bracket_type == '}') |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3004 m_braceflag--; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3005 else |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3006 panic_impossible (); |
16126
5c885c13bfa3
localize use of yylval.tok_val in lexical_feedback member functions
John W. Eaton <jwe@octave.org>
parents:
16125
diff
changeset
|
3007 } |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3008 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3009 pop_start_state (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3010 |
25708
ca38400776bc
track column count in lexer in a few more places (bug #34852)
John W. Eaton <jwe@octave.org>
parents:
25646
diff
changeset
|
3011 return count_token (bracket_type); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3012 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3013 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3014 bool |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3015 base_lexer::looks_like_command_arg (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3016 { |
26662
05fc703b419a
update handling of command-style function call syntax in eval
John W. Eaton <jwe@octave.org>
parents:
26661
diff
changeset
|
3017 if (! m_allow_command_syntax) |
05fc703b419a
update handling of command-style function call syntax in eval
John W. Eaton <jwe@octave.org>
parents:
26661
diff
changeset
|
3018 return false; |
05fc703b419a
update handling of command-style function call syntax in eval
John W. Eaton <jwe@octave.org>
parents:
26661
diff
changeset
|
3019 |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3020 bool space_before = space_follows_previous_token (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3021 bool space_after = looking_at_space (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3022 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3023 return (space_before && ! space_after |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3024 && previous_token_may_be_command ()); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3025 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3026 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3027 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3028 base_lexer::handle_superclass_identifier (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3029 { |
26686
581d01526b34
eliminate unnecessary tree_funcall class
John W. Eaton <jwe@octave.org>
parents:
26662
diff
changeset
|
3030 std::string txt = flex_yytext (); |
581d01526b34
eliminate unnecessary tree_funcall class
John W. Eaton <jwe@octave.org>
parents:
26662
diff
changeset
|
3031 |
26708
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
3032 txt.erase (std::remove_if (txt.begin (), txt.end (), is_space_or_tab), |
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
3033 txt.end ()); |
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
3034 |
26686
581d01526b34
eliminate unnecessary tree_funcall class
John W. Eaton <jwe@octave.org>
parents:
26662
diff
changeset
|
3035 size_t pos = txt.find ("@"); |
581d01526b34
eliminate unnecessary tree_funcall class
John W. Eaton <jwe@octave.org>
parents:
26662
diff
changeset
|
3036 |
26718
9b0335f4bc74
revise naming of the parts of a superclass reference
John W. Eaton <jwe@octave.org>
parents:
26710
diff
changeset
|
3037 std::string meth = txt.substr (0, pos); |
26686
581d01526b34
eliminate unnecessary tree_funcall class
John W. Eaton <jwe@octave.org>
parents:
26662
diff
changeset
|
3038 std::string cls = txt.substr (pos + 1); |
581d01526b34
eliminate unnecessary tree_funcall class
John W. Eaton <jwe@octave.org>
parents:
26662
diff
changeset
|
3039 |
26718
9b0335f4bc74
revise naming of the parts of a superclass reference
John W. Eaton <jwe@octave.org>
parents:
26710
diff
changeset
|
3040 bool kw_token = (is_keyword_token (meth) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3041 || fq_identifier_contains_keyword (cls)); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3042 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3043 if (kw_token) |
16126
5c885c13bfa3
localize use of yylval.tok_val in lexical_feedback member functions
John W. Eaton <jwe@octave.org>
parents:
16125
diff
changeset
|
3044 { |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3045 token *tok |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3046 = new token (LEXICAL_ERROR, |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3047 "method, class, and package names may not be keywords", |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
3048 m_filepos, m_filepos); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3049 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3050 push_token (tok); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3051 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3052 return count_token_internal (LEXICAL_ERROR); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3053 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3054 |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
3055 push_token (new token (SUPERCLASSREF, meth, cls, m_filepos, m_filepos)); |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
3056 |
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
3057 m_filepos.increment_column (flex_yyleng ()); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3058 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3059 return SUPERCLASSREF; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3060 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3061 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3062 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3063 base_lexer::handle_meta_identifier (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3064 { |
26708
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
3065 std::string txt = flex_yytext (); |
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
3066 |
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
3067 txt.erase (std::remove_if (txt.begin (), txt.end (), is_space_or_tab), |
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
3068 txt.end ()); |
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
3069 |
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
3070 // Eliminate leading '?' |
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
3071 std::string cls = txt.substr (1); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3072 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3073 if (fq_identifier_contains_keyword (cls)) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3074 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3075 token *tok = new token (LEXICAL_ERROR, |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3076 "class and package names may not be keywords", |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
3077 m_filepos, m_filepos); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3078 push_token (tok); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3079 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3080 return count_token_internal (LEXICAL_ERROR); |
16126
5c885c13bfa3
localize use of yylval.tok_val in lexical_feedback member functions
John W. Eaton <jwe@octave.org>
parents:
16125
diff
changeset
|
3081 } |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3082 |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
3083 push_token (new token (METAQUERY, cls, m_filepos, m_filepos)); |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
3084 |
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
3085 m_filepos.increment_column (flex_yyleng ()); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3086 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3087 return METAQUERY; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3088 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3089 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3090 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3091 base_lexer::handle_fq_identifier (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3092 { |
26708
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
3093 std::string txt = flex_yytext (); |
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
3094 |
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
3095 txt.erase (std::remove_if (txt.begin (), txt.end (), is_space_or_tab), |
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
3096 txt.end ()); |
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
3097 |
606605d0cd31
allow spaces in FQ_IDENT, SUPERCLASSREF, and METAQUERY tokens in lexer
John W. Eaton <jwe@octave.org>
parents:
26686
diff
changeset
|
3098 if (fq_identifier_contains_keyword (txt)) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3099 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3100 token *tok |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3101 = new token (LEXICAL_ERROR, |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3102 "function, method, class, and package names may not be keywords", |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
3103 m_filepos, m_filepos); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3104 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
3105 push_token (tok); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3106 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3107 return count_token_internal (LEXICAL_ERROR); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3108 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3109 |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
3110 push_token (new token (FQ_IDENT, txt, m_filepos, m_filepos)); |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
3111 |
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
3112 m_filepos.increment_column (flex_yyleng ()); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3113 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3114 return FQ_IDENT; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3115 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3116 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3117 // Figure out exactly what kind of token to return when we have seen |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3118 // an identifier. Handles keywords. Return -1 if the identifier |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3119 // should be ignored. |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3120 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3121 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3122 base_lexer::handle_identifier (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3123 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3124 std::string ident = flex_yytext (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3125 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3126 // If we are expecting a structure element, avoid recognizing |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3127 // keywords and other special names and return STRUCT_ELT, which is |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3128 // a string that is also a valid identifier. |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3129 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3130 if (m_looking_at_indirect_ref) |
16119
b31eb56f4d84
maint: reorder class definitions in lex.ll
John W. Eaton <jwe@octave.org>
parents:
16118
diff
changeset
|
3131 { |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
3132 push_token (new token (STRUCT_ELT, ident, m_filepos, m_filepos)); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3133 |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3134 m_looking_for_object_index = true; |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3135 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
3136 m_filepos.increment_column (flex_yyleng ()); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3137 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3138 return STRUCT_ELT; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3139 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3140 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3141 // If ident is a keyword token, then is_keyword_token will set |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3142 // m_at_beginning_of_statement. For example, if tok is an IF |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3143 // token, then m_at_beginning_of_statement will be false. |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3144 |
27771
cd566153edd6
split base_lexer::is_keyword_token into two functions
John W. Eaton <jwe@octave.org>
parents:
27770
diff
changeset
|
3145 int kw_token = make_keyword_token (ident); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3146 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3147 // If we have a regular keyword, return it. |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3148 // Keywords can be followed by identifiers. |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3149 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3150 if (kw_token) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3151 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3152 if (kw_token >= 0) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3153 { |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
3154 m_filepos.increment_column (flex_yyleng ()); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3155 m_looking_for_object_index = false; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3156 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3157 |
27771
cd566153edd6
split base_lexer::is_keyword_token into two functions
John W. Eaton <jwe@octave.org>
parents:
27770
diff
changeset
|
3158 // The call to make_keyword_token set m_at_beginning_of_statement. |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3159 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3160 return kw_token; |
16119
b31eb56f4d84
maint: reorder class definitions in lex.ll
John W. Eaton <jwe@octave.org>
parents:
16118
diff
changeset
|
3161 } |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3162 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3163 // Find the token in the symbol table. |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3164 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3165 symbol_scope scope = m_symtab_context.curr_scope (); |
24361
8bcfddad15ec
use shared_ptr to manage symbol_scope objects
John W. Eaton <jwe@octave.org>
parents:
24356
diff
changeset
|
3166 |
8bcfddad15ec
use shared_ptr to manage symbol_scope objects
John W. Eaton <jwe@octave.org>
parents:
24356
diff
changeset
|
3167 symbol_record sr = (scope ? scope.insert (ident) : symbol_record (ident)); |
23602
214cb58ccc1c
use pointer to scope instead of scope id
John W. Eaton <jwe@octave.org>
parents:
23599
diff
changeset
|
3168 |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
3169 token *tok = new token (NAME, sr, m_filepos, m_filepos); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3170 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3171 // The following symbols are handled specially so that things like |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3172 // |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3173 // pi +1 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3174 // |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3175 // are parsed as an addition expression instead of as a command-style |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3176 // function call with the argument "+1". |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3177 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3178 if (m_at_beginning_of_statement |
27736
bd80e14f268a
improve parse error message for @()x+=expr (bug #57255)
John W. Eaton <jwe@octave.org>
parents:
27578
diff
changeset
|
3179 && ! (m_parsing_anon_fcn_body |
bd80e14f268a
improve parse error message for @()x+=expr (bug #57255)
John W. Eaton <jwe@octave.org>
parents:
27578
diff
changeset
|
3180 || is_variable (ident, scope) |
bd80e14f268a
improve parse error message for @()x+=expr (bug #57255)
John W. Eaton <jwe@octave.org>
parents:
27578
diff
changeset
|
3181 || ident == "e" || ident == "pi" |
bd80e14f268a
improve parse error message for @()x+=expr (bug #57255)
John W. Eaton <jwe@octave.org>
parents:
27578
diff
changeset
|
3182 || ident == "I" || ident == "i" |
bd80e14f268a
improve parse error message for @()x+=expr (bug #57255)
John W. Eaton <jwe@octave.org>
parents:
27578
diff
changeset
|
3183 || ident == "J" || ident == "j" |
bd80e14f268a
improve parse error message for @()x+=expr (bug #57255)
John W. Eaton <jwe@octave.org>
parents:
27578
diff
changeset
|
3184 || ident == "Inf" || ident == "inf" |
bd80e14f268a
improve parse error message for @()x+=expr (bug #57255)
John W. Eaton <jwe@octave.org>
parents:
27578
diff
changeset
|
3185 || ident == "NaN" || ident == "nan")) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3186 tok->mark_may_be_command (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3187 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3188 push_token (tok); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3189 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
3190 m_filepos.increment_column (flex_yyleng ()); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3191 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3192 // The magic end index can't be indexed. |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3193 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3194 if (ident != "end") |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3195 m_looking_for_object_index = true; |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3196 |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3197 m_at_beginning_of_statement = false; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3198 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3199 return NAME; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3200 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3201 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3202 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3203 base_lexer::maybe_warn_separator_insert (char sep) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3204 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3205 std::string nm = m_fcn_file_full_name; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3206 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3207 if (nm.empty ()) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3208 warning_with_id ("Octave:separator-insert", |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3209 "potential auto-insertion of '%c' near line %d", |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
3210 sep, m_filepos.line ()); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3211 else |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3212 warning_with_id ("Octave:separator-insert", |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3213 "potential auto-insertion of '%c' near line %d of file %s", |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
3214 sep, m_filepos.line (), nm.c_str ()); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3215 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3216 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3217 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3218 base_lexer::warn_single_quote_string (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3219 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3220 std::string nm = m_fcn_file_full_name; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3221 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3222 if (nm.empty ()) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3223 warning_with_id ("Octave:single-quote-string", |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3224 "single quote delimited string near line %d", |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
3225 m_filepos.line ()); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3226 else |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3227 warning_with_id ("Octave:single-quote-string", |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3228 "single quote delimited string near line %d of file %s", |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
3229 m_filepos.line (), nm.c_str ()); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3230 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3231 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3232 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3233 base_lexer::warn_language_extension (const std::string& msg) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3234 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3235 std::string nm = m_fcn_file_full_name; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3236 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3237 if (nm.empty ()) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3238 warning_with_id ("Octave:language-extension", |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3239 "Octave language extension used: %s", |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3240 msg.c_str ()); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3241 else |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3242 warning_with_id ("Octave:language-extension", |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3243 "Octave language extension used: %s near line %d offile %s", |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
3244 msg.c_str (), m_filepos.line (), nm.c_str ()); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3245 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3246 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3247 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3248 base_lexer::maybe_warn_language_extension_comment (char c) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3249 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3250 if (c == '#') |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3251 warn_language_extension ("# used as comment character"); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3252 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3253 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3254 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3255 base_lexer::warn_language_extension_continuation (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3256 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3257 warn_language_extension ("\\ used as line continuation marker"); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3258 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3259 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3260 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3261 base_lexer::warn_language_extension_operator (const std::string& op) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3262 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3263 std::string t = op; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3264 int n = t.length (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3265 if (t[n-1] == '\n') |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3266 t.resize (n-1); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3267 warn_language_extension (t + " used as operator"); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3268 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3269 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3270 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3271 base_lexer::push_token (token *tok) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3272 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3273 YYSTYPE *lval = yyget_lval (m_scanner); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3274 lval->tok_val = tok; |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3275 m_tokens.push (tok); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3276 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3277 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3278 token * |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3279 base_lexer::current_token (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3280 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3281 YYSTYPE *lval = yyget_lval (m_scanner); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3282 return lval->tok_val; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3283 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3284 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3285 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3286 base_lexer::display_token (int tok) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3287 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3288 switch (tok) |
16119
b31eb56f4d84
maint: reorder class definitions in lex.ll
John W. Eaton <jwe@octave.org>
parents:
16118
diff
changeset
|
3289 { |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3290 case '=': std::cerr << "'='\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3291 case ':': std::cerr << "':'\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3292 case '-': std::cerr << "'-'\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3293 case '+': std::cerr << "'+'\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3294 case '*': std::cerr << "'*'\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3295 case '/': std::cerr << "'/'\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3296 case ADD_EQ: std::cerr << "ADD_EQ\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3297 case SUB_EQ: std::cerr << "SUB_EQ\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3298 case MUL_EQ: std::cerr << "MUL_EQ\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3299 case DIV_EQ: std::cerr << "DIV_EQ\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3300 case LEFTDIV_EQ: std::cerr << "LEFTDIV_EQ\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3301 case POW_EQ: std::cerr << "POW_EQ\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3302 case EMUL_EQ: std::cerr << "EMUL_EQ\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3303 case EDIV_EQ: std::cerr << "EDIV_EQ\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3304 case ELEFTDIV_EQ: std::cerr << "ELEFTDIV_EQ\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3305 case EPOW_EQ: std::cerr << "EPOW_EQ\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3306 case AND_EQ: std::cerr << "AND_EQ\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3307 case OR_EQ: std::cerr << "OR_EQ\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3308 case EXPR_AND_AND: std::cerr << "EXPR_AND_AND\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3309 case EXPR_OR_OR: std::cerr << "EXPR_OR_OR\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3310 case EXPR_AND: std::cerr << "EXPR_AND\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3311 case EXPR_OR: std::cerr << "EXPR_OR\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3312 case EXPR_NOT: std::cerr << "EXPR_NOT\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3313 case EXPR_LT: std::cerr << "EXPR_LT\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3314 case EXPR_LE: std::cerr << "EXPR_LE\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3315 case EXPR_EQ: std::cerr << "EXPR_EQ\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3316 case EXPR_NE: std::cerr << "EXPR_NE\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3317 case EXPR_GE: std::cerr << "EXPR_GE\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3318 case EXPR_GT: std::cerr << "EXPR_GT\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3319 case LEFTDIV: std::cerr << "LEFTDIV\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3320 case EMUL: std::cerr << "EMUL\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3321 case EDIV: std::cerr << "EDIV\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3322 case ELEFTDIV: std::cerr << "ELEFTDIV\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3323 case EPLUS: std::cerr << "EPLUS\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3324 case EMINUS: std::cerr << "EMINUS\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3325 case HERMITIAN: std::cerr << "HERMITIAN\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3326 case TRANSPOSE: std::cerr << "TRANSPOSE\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3327 case PLUS_PLUS: std::cerr << "PLUS_PLUS\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3328 case MINUS_MINUS: std::cerr << "MINUS_MINUS\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3329 case POW: std::cerr << "POW\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3330 case EPOW: std::cerr << "EPOW\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3331 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3332 case NUM: |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3333 case IMAG_NUM: |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3334 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3335 token *tok_val = current_token (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3336 std::cerr << (tok == NUM ? "NUM" : "IMAG_NUM") |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3337 << " [" << tok_val->number () << "]\n"; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3338 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3339 break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3340 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3341 case STRUCT_ELT: |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3342 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3343 token *tok_val = current_token (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3344 std::cerr << "STRUCT_ELT [" << tok_val->text () << "]\n"; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3345 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3346 break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3347 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3348 case NAME: |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3349 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3350 token *tok_val = current_token (); |
24270
bc3819b7cca1
don't use symbol_table:: nesting for symbol_record, symbol_scope, or fcn_info
John W. Eaton <jwe@octave.org>
parents:
24092
diff
changeset
|
3351 symbol_record sr = tok_val->sym_rec (); |
23602
214cb58ccc1c
use pointer to scope instead of scope id
John W. Eaton <jwe@octave.org>
parents:
23599
diff
changeset
|
3352 std::cerr << "NAME [" << sr.name () << "]\n"; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3353 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3354 break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3355 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3356 case END: std::cerr << "END\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3357 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3358 case DQ_STRING: |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3359 case SQ_STRING: |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3360 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3361 token *tok_val = current_token (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3362 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3363 std::cerr << (tok == DQ_STRING ? "DQ_STRING" : "SQ_STRING") |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3364 << " [" << tok_val->text () << "]\n"; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3365 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3366 break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3367 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3368 case FOR: std::cerr << "FOR\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3369 case WHILE: std::cerr << "WHILE\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3370 case DO: std::cerr << "DO\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3371 case UNTIL: std::cerr << "UNTIL\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3372 case IF: std::cerr << "IF\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3373 case ELSEIF: std::cerr << "ELSEIF\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3374 case ELSE: std::cerr << "ELSE\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3375 case SWITCH: std::cerr << "SWITCH\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3376 case CASE: std::cerr << "CASE\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3377 case OTHERWISE: std::cerr << "OTHERWISE\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3378 case BREAK: std::cerr << "BREAK\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3379 case CONTINUE: std::cerr << "CONTINUE\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3380 case FUNC_RET: std::cerr << "FUNC_RET\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3381 case UNWIND: std::cerr << "UNWIND\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3382 case CLEANUP: std::cerr << "CLEANUP\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3383 case TRY: std::cerr << "TRY\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3384 case CATCH: std::cerr << "CATCH\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3385 case GLOBAL: std::cerr << "GLOBAL\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3386 case PERSISTENT: std::cerr << "PERSISTENT\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3387 case FCN_HANDLE: std::cerr << "FCN_HANDLE\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3388 case END_OF_INPUT: std::cerr << "END_OF_INPUT\n\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3389 case LEXICAL_ERROR: std::cerr << "LEXICAL_ERROR\n\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3390 case FCN: std::cerr << "FCN\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3391 case INPUT_FILE: std::cerr << "INPUT_FILE\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3392 case SUPERCLASSREF: std::cerr << "SUPERCLASSREF\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3393 case METAQUERY: std::cerr << "METAQUERY\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3394 case GET: std::cerr << "GET\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3395 case SET: std::cerr << "SET\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3396 case PROPERTIES: std::cerr << "PROPERTIES\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3397 case METHODS: std::cerr << "METHODS\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3398 case EVENTS: std::cerr << "EVENTS\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3399 case CLASSDEF: std::cerr << "CLASSDEF\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3400 case '\n': std::cerr << "\\n\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3401 case '\r': std::cerr << "\\r\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3402 case '\t': std::cerr << "TAB\n"; break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3403 default: |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3404 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3405 if (tok < 256 && tok > 31) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3406 std::cerr << static_cast<char> (tok) << "\n"; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3407 else |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3408 std::cerr << "UNKNOWN(" << tok << ")\n"; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3409 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3410 break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3411 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3412 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3413 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3414 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3415 base_lexer::fatal_error (const char *msg) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3416 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3417 error ("fatal lexer error: %s", msg); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3418 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3419 |
25443
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3420 bool |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3421 base_lexer::debug_flag (void) const |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3422 { |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3423 settings& stgs = m_interpreter.get_settings (); |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3424 return stgs.lexer_debug_flag (); |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3425 } |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3426 |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3427 bool |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3428 base_lexer::display_tokens (void) const |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3429 { |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3430 settings& stgs = m_interpreter.get_settings (); |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3431 return stgs.display_tokens (); |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3432 } |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3433 |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3434 void |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3435 base_lexer::increment_token_count (void) |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3436 { |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3437 settings& stgs = m_interpreter.get_settings (); |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3438 stgs.increment_token_count (); |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3439 |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3440 m_token_count++; |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3441 } |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3442 |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3443 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3444 base_lexer::lexer_debug (const char *pattern) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3445 { |
25443
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3446 if (debug_flag ()) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3447 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3448 std::cerr << std::endl; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3449 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3450 display_start_state (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3451 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3452 std::cerr << "P: " << pattern << std::endl; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3453 std::cerr << "T: " << flex_yytext () << std::endl; |
16119
b31eb56f4d84
maint: reorder class definitions in lex.ll
John W. Eaton <jwe@octave.org>
parents:
16118
diff
changeset
|
3454 } |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3455 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3456 |
25994
f881d3e271d2
eliminate global and file-scope static variables in oct-hist.cc
John W. Eaton <jwe@octave.org>
parents:
25719
diff
changeset
|
3457 bool |
f881d3e271d2
eliminate global and file-scope static variables in oct-hist.cc
John W. Eaton <jwe@octave.org>
parents:
25719
diff
changeset
|
3458 base_lexer::input_from_tmp_history_file (void) |
f881d3e271d2
eliminate global and file-scope static variables in oct-hist.cc
John W. Eaton <jwe@octave.org>
parents:
25719
diff
changeset
|
3459 { |
f881d3e271d2
eliminate global and file-scope static variables in oct-hist.cc
John W. Eaton <jwe@octave.org>
parents:
25719
diff
changeset
|
3460 history_system& history_sys = m_interpreter.get_history_system (); |
f881d3e271d2
eliminate global and file-scope static variables in oct-hist.cc
John W. Eaton <jwe@octave.org>
parents:
25719
diff
changeset
|
3461 |
f881d3e271d2
eliminate global and file-scope static variables in oct-hist.cc
John W. Eaton <jwe@octave.org>
parents:
25719
diff
changeset
|
3462 return history_sys.input_from_tmp_file (); |
f881d3e271d2
eliminate global and file-scope static variables in oct-hist.cc
John W. Eaton <jwe@octave.org>
parents:
25719
diff
changeset
|
3463 } |
f881d3e271d2
eliminate global and file-scope static variables in oct-hist.cc
John W. Eaton <jwe@octave.org>
parents:
25719
diff
changeset
|
3464 |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3465 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3466 base_lexer::push_start_state (int state) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3467 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3468 OCTAVE_YYG; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3469 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3470 start_state_stack.push (state); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3471 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3472 BEGIN (start_state ()); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3473 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3474 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3475 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3476 base_lexer::pop_start_state (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3477 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3478 OCTAVE_YYG; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3479 |
16224
4a848eb52de2
use stack for tracking lexer start states
John W. Eaton <jwe@octave.org>
parents:
16209
diff
changeset
|
3480 start_state_stack.pop (); |
4a848eb52de2
use stack for tracking lexer start states
John W. Eaton <jwe@octave.org>
parents:
16209
diff
changeset
|
3481 |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3482 BEGIN (start_state ()); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3483 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3484 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3485 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3486 base_lexer::clear_start_state (void) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3487 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3488 while (! start_state_stack.empty ()) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3489 start_state_stack.pop (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3490 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3491 push_start_state (INITIAL); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3492 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3493 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3494 void |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3495 base_lexer::display_start_state (void) const |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3496 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3497 std::cerr << "S: "; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3498 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3499 switch (start_state ()) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3500 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3501 case INITIAL: |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3502 std::cerr << "INITIAL" << std::endl; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3503 break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3504 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3505 case COMMAND_START: |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3506 std::cerr << "COMMAND_START" << std::endl; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3507 break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3508 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3509 case MATRIX_START: |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3510 std::cerr << "MATRIX_START" << std::endl; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3511 break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3512 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3513 case INPUT_FILE_START: |
26709
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3514 std::cerr << "INPUT_FILE_START" << std::endl; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3515 break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3516 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3517 case BLOCK_COMMENT_START: |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3518 std::cerr << "BLOCK_COMMENT_START" << std::endl; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3519 break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3520 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3521 case LINE_COMMENT_START: |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3522 std::cerr << "LINE_COMMENT_START" << std::endl; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3523 break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3524 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3525 case DQ_STRING_START: |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3526 std::cerr << "DQ_STRING_START" << std::endl; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3527 break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3528 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3529 case SQ_STRING_START: |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3530 std::cerr << "SQ_STRING_START" << std::endl; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3531 break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3532 |
26709
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3533 case FQ_IDENT_START: |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3534 std::cerr << "FQ_IDENT_START" << std::endl; |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3535 break; |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3536 |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3537 default: |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3538 std::cerr << "UNKNOWN START STATE!" << std::endl; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3539 break; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3540 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3541 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3542 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3543 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3544 base_lexer::handle_op (const char *pattern, int tok, bool bos) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3545 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3546 lexer_debug (pattern); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3547 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3548 return handle_op_internal (tok, bos, true); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3549 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3550 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3551 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3552 base_lexer::handle_language_extension_op (const char *pattern, int tok, |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3553 bool bos) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3554 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3555 lexer_debug (pattern); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3556 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3557 return handle_op_internal (tok, bos, false); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3558 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3559 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3560 bool |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3561 base_lexer::maybe_unput_comma_before_unary_op (int tok) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3562 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3563 int prev_tok = previous_token_value (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3564 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3565 bool unput_comma = false; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3566 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3567 if (whitespace_is_significant () && space_follows_previous_token ()) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3568 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3569 int c = text_yyinput (); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3570 xunput (c); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3571 |
26710
d6dd07dce2d2
use inline functions for matching whitespace in lexer
John W. Eaton <jwe@octave.org>
parents:
26709
diff
changeset
|
3572 bool space_after = is_space_or_tab (c); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3573 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3574 if (! (prev_tok == '[' || prev_tok == '{' |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3575 || previous_token_is_binop () |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3576 || ((tok == '+' || tok == '-') && space_after))) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3577 unput_comma = true; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3578 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3579 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3580 return unput_comma; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3581 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3582 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3583 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3584 base_lexer::handle_unary_op (int tok, bool bos) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3585 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3586 return maybe_unput_comma_before_unary_op (tok) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3587 ? -1 : handle_op_internal (tok, bos, true); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3588 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3589 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3590 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3591 base_lexer::handle_language_extension_unary_op (int tok, bool bos) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3592 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3593 return maybe_unput_comma_before_unary_op (tok) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3594 ? -1 : handle_op_internal (tok, bos, false); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3595 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3596 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3597 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3598 base_lexer::handle_op_internal (int tok, bool bos, bool compat) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3599 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3600 if (! compat) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3601 warn_language_extension_operator (flex_yytext ()); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3602 |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
3603 push_token (new token (tok, m_filepos, m_filepos)); |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
3604 |
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
3605 m_filepos.increment_column (flex_yyleng ()); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3606 m_looking_for_object_index = false; |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3607 m_at_beginning_of_statement = bos; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3608 |
26709
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3609 switch (tok) |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3610 { |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3611 case EXPR_LT: |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3612 if (m_parsing_classdef_decl) |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3613 { |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3614 m_parsing_classdef_superclass = true; |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3615 push_start_state (FQ_IDENT_START); |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3616 } |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3617 break; |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3618 |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3619 case EXPR_AND: |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3620 if (m_parsing_classdef_superclass) |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3621 push_start_state (FQ_IDENT_START); |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3622 break; |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3623 |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3624 default: |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3625 break; |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3626 } |
17e7d310def8
revamp parsing of superclass identifiers in classdef decls
John W. Eaton <jwe@octave.org>
parents:
26708
diff
changeset
|
3627 |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3628 return count_token_internal (tok); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3629 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3630 |
27777
3b6920ee4383
eliminate COMMAND_ARG_FINISH macro in lexer
John W. Eaton <jwe@octave.org>
parents:
27771
diff
changeset
|
3631 // When a command argument boundary is detected, push out the current |
3b6920ee4383
eliminate COMMAND_ARG_FINISH macro in lexer
John W. Eaton <jwe@octave.org>
parents:
27771
diff
changeset
|
3632 // argument being built. This one seems like a good candidate for a |
3b6920ee4383
eliminate COMMAND_ARG_FINISH macro in lexer
John W. Eaton <jwe@octave.org>
parents:
27771
diff
changeset
|
3633 // function call. |
3b6920ee4383
eliminate COMMAND_ARG_FINISH macro in lexer
John W. Eaton <jwe@octave.org>
parents:
27771
diff
changeset
|
3634 |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3635 int |
27777
3b6920ee4383
eliminate COMMAND_ARG_FINISH macro in lexer
John W. Eaton <jwe@octave.org>
parents:
27771
diff
changeset
|
3636 base_lexer::finish_command_arg (void) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3637 { |
27777
3b6920ee4383
eliminate COMMAND_ARG_FINISH macro in lexer
John W. Eaton <jwe@octave.org>
parents:
27771
diff
changeset
|
3638 int tok = SQ_STRING; |
3b6920ee4383
eliminate COMMAND_ARG_FINISH macro in lexer
John W. Eaton <jwe@octave.org>
parents:
27771
diff
changeset
|
3639 |
3b6920ee4383
eliminate COMMAND_ARG_FINISH macro in lexer
John W. Eaton <jwe@octave.org>
parents:
27771
diff
changeset
|
3640 token *tok_val = new token (tok, m_string_text, m_filepos, m_filepos); |
3b6920ee4383
eliminate COMMAND_ARG_FINISH macro in lexer
John W. Eaton <jwe@octave.org>
parents:
27771
diff
changeset
|
3641 |
3b6920ee4383
eliminate COMMAND_ARG_FINISH macro in lexer
John W. Eaton <jwe@octave.org>
parents:
27771
diff
changeset
|
3642 m_string_text = ""; |
3b6920ee4383
eliminate COMMAND_ARG_FINISH macro in lexer
John W. Eaton <jwe@octave.org>
parents:
27771
diff
changeset
|
3643 m_command_arg_paren_count = 0; |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3644 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3645 return handle_token (tok, tok_val); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3646 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3647 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3648 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3649 base_lexer::handle_token (int tok, token *tok_val) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3650 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3651 if (! tok_val) |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
3652 tok_val = new token (tok, m_filepos, m_filepos); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3653 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3654 push_token (tok_val); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3655 |
27766
0ca7f17de041
use file position object to track line and column info in lexer and parser
John W. Eaton <jwe@octave.org>
parents:
27760
diff
changeset
|
3656 m_filepos.increment_column (flex_yyleng ()); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3657 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3658 return count_token_internal (tok); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3659 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3660 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3661 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3662 base_lexer::count_token (int tok) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3663 { |
27769
07ffed9878ad
store begin and end position in tokens
John W. Eaton <jwe@octave.org>
parents:
27768
diff
changeset
|
3664 token *tok_val = new token (tok, m_filepos, m_filepos); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3665 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3666 push_token (tok_val); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3667 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3668 return count_token_internal (tok); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3669 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3670 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3671 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3672 base_lexer::count_token_internal (int tok) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3673 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3674 if (tok != '\n') |
25443
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3675 increment_token_count (); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3676 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3677 return show_token (tok); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3678 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3679 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3680 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3681 base_lexer::show_token (int tok) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3682 { |
25443
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3683 |
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3684 if (display_tokens ()) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3685 display_token (tok); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3686 |
25443
2fa7cd178c4a
new class for miscellaneous interpreter settings
John W. Eaton <jwe@octave.org>
parents:
25054
diff
changeset
|
3687 if (debug_flag ()) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3688 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3689 std::cerr << "R: "; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3690 display_token (tok); |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3691 std::cerr << std::endl; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3692 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3693 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3694 return tok; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3695 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3696 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3697 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3698 lexer::fill_flex_buffer (char *buf, unsigned max_size) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3699 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3700 int status = 0; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3701 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3702 if (m_input_buf.empty ()) |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3703 { |
27527
73be3c628eac
refactor input_reader class and its use in lexer
John W. Eaton <jwe@octave.org>
parents:
27526
diff
changeset
|
3704 input_system& input_sys = m_interpreter.get_input_system (); |
73be3c628eac
refactor input_reader class and its use in lexer
John W. Eaton <jwe@octave.org>
parents:
27526
diff
changeset
|
3705 |
73be3c628eac
refactor input_reader class and its use in lexer
John W. Eaton <jwe@octave.org>
parents:
27526
diff
changeset
|
3706 std::string ps |
27528
e51284fc0a51
eliminate promptflag from the lexer and input reader classes
John W. Eaton <jwe@octave.org>
parents:
27527
diff
changeset
|
3707 = m_initial_input ? input_sys.PS1 () : input_sys.PS2 (); |
27527
73be3c628eac
refactor input_reader class and its use in lexer
John W. Eaton <jwe@octave.org>
parents:
27526
diff
changeset
|
3708 |
73be3c628eac
refactor input_reader class and its use in lexer
John W. Eaton <jwe@octave.org>
parents:
27526
diff
changeset
|
3709 std::string prompt = command_editor::decode_prompt_string (ps); |
73be3c628eac
refactor input_reader class and its use in lexer
John W. Eaton <jwe@octave.org>
parents:
27526
diff
changeset
|
3710 |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3711 bool eof = false; |
27527
73be3c628eac
refactor input_reader class and its use in lexer
John W. Eaton <jwe@octave.org>
parents:
27526
diff
changeset
|
3712 m_current_input_line = m_reader.get_input (prompt, eof); |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3713 |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3714 m_input_buf.fill (m_current_input_line, eof); |
23730
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3715 |
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3716 // Attempt to capture text for functions defined on the |
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3717 // command line. |
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3718 // |
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3719 // FIXME: the handling of newline here seems a bit clumsy. |
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3720 // |
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3721 // See also comments in push_lexer::append_input. |
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3722 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3723 if (m_buffer_function_text) |
23730
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3724 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3725 if (! m_current_input_line.empty ()) |
23786
10136bfd46a3
lex.ll: Fix heap-buffer-overflow (bug #51533).
Rik <rik@octave.org>
parents:
23750
diff
changeset
|
3726 { |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3727 m_function_text += m_current_input_line; |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3728 if (m_current_input_line.back () != '\n') |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3729 m_function_text += '\n'; |
23786
10136bfd46a3
lex.ll: Fix heap-buffer-overflow (bug #51533).
Rik <rik@octave.org>
parents:
23750
diff
changeset
|
3730 } |
23730
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3731 } |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3732 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3733 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3734 if (! m_input_buf.empty ()) |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3735 status = m_input_buf.copy_chunk (buf, max_size); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3736 else |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3737 status = YY_NULL; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3738 |
27528
e51284fc0a51
eliminate promptflag from the lexer and input reader classes
John W. Eaton <jwe@octave.org>
parents:
27527
diff
changeset
|
3739 m_initial_input = false; |
e51284fc0a51
eliminate promptflag from the lexer and input reader classes
John W. Eaton <jwe@octave.org>
parents:
27527
diff
changeset
|
3740 |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3741 return status; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3742 } |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3743 |
23730
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3744 void |
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3745 push_lexer::append_input (const std::string& input, bool eof) |
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3746 { |
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3747 // FIXME: input may contain more than one line, so how can we |
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3748 // properly start buffering input for command-line functions? |
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3749 // |
27771
cd566153edd6
split base_lexer::is_keyword_token into two functions
John W. Eaton <jwe@octave.org>
parents:
27770
diff
changeset
|
3750 // Currently, base_lexer::make_keyword_token starts buffering text |
23730
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3751 // for command-line functions by setting the initial value of |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3752 // m_function_text to m_current_input_line when function_kw is |
23730
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3753 // recognized. To make that work, we need to do something like |
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3754 // maintain a queue of input strings and pass them to the flex |
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3755 // buffer one line at a time, while also setting |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3756 // m_current_input_line. Some care will be needed if a single line |
23730
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3757 // of input arrives in multiple calls to append_input. |
27512
549273db93e4
cache current input line in push lexer
John W. Eaton <jwe@octave.org>
parents:
27443
diff
changeset
|
3758 // |
549273db93e4
cache current input line in push lexer
John W. Eaton <jwe@octave.org>
parents:
27443
diff
changeset
|
3759 // OR, should we require that the input string to append_input |
549273db93e4
cache current input line in push lexer
John W. Eaton <jwe@octave.org>
parents:
27443
diff
changeset
|
3760 // IS a single line of input? That seems to be what we are doing |
549273db93e4
cache current input line in push lexer
John W. Eaton <jwe@octave.org>
parents:
27443
diff
changeset
|
3761 // here by setting m_current_input_line to input. |
23730
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3762 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3763 m_input_buf.fill (input, eof); |
27512
549273db93e4
cache current input line in push lexer
John W. Eaton <jwe@octave.org>
parents:
27443
diff
changeset
|
3764 m_current_input_line = input; |
23730
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3765 } |
85f1d31956c0
make echo work for command-line functions
John W. Eaton <jwe@octave.org>
parents:
23696
diff
changeset
|
3766 |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3767 int |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3768 push_lexer::fill_flex_buffer (char *buf, unsigned max_size) |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3769 { |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3770 int status = 0; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3771 |
27760
16e83787f970
fix handling of full line comments at command prompt (bug #57208)
John W. Eaton <jwe@octave.org>
parents:
27736
diff
changeset
|
3772 // If the input buffer is empty or we are at the end of the buffer, |
16e83787f970
fix handling of full line comments at command prompt (bug #57208)
John W. Eaton <jwe@octave.org>
parents:
27736
diff
changeset
|
3773 // insert ASCII 1 as a marker for subsequent rules. |
16e83787f970
fix handling of full line comments at command prompt (bug #57208)
John W. Eaton <jwe@octave.org>
parents:
27736
diff
changeset
|
3774 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3775 if (m_input_buf.empty () && ! m_input_buf.at_eof ()) |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3776 m_input_buf.fill (std::string (1, static_cast<char> (1)), false); |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3777 |
27760
16e83787f970
fix handling of full line comments at command prompt (bug #57208)
John W. Eaton <jwe@octave.org>
parents:
27736
diff
changeset
|
3778 // Note that the copy_chunk function may append a newline character |
16e83787f970
fix handling of full line comments at command prompt (bug #57208)
John W. Eaton <jwe@octave.org>
parents:
27736
diff
changeset
|
3779 // to the input. |
16e83787f970
fix handling of full line comments at command prompt (bug #57208)
John W. Eaton <jwe@octave.org>
parents:
27736
diff
changeset
|
3780 |
24833
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3781 if (! m_input_buf.empty ()) |
7c88cf242111
use m_ prefix for data members in more classes
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
3782 status = m_input_buf.copy_chunk (buf, max_size); |
22196
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3783 else |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3784 status = YY_NULL; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3785 |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3786 return status; |
dd992fd74fce
put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
John W. Eaton <jwe@octave.org>
parents:
22094
diff
changeset
|
3787 } |
16224
4a848eb52de2
use stack for tracking lexer start states
John W. Eaton <jwe@octave.org>
parents:
16209
diff
changeset
|
3788 } |