Mercurial > octave
annotate libinterp/parse-tree/parse.h @ 22869:f75d289645ec
make deleted functions public
* octave-gui.h, resource-manager.h, shortcut-manager.h,
base-text-renderer.h, c-file-ptr-stream.h, dynamic-ld.cc,
dynamic-ld.h, event-queue.h, ft-text-renderer.cc, gl-render.cc,
gl-render.h, graphics.cc, graphics.in.h, interpreter.h, mex.cc,
mxarray.in.h, oct-fstrm.h, oct-iostrm.h, oct-prcstrm.h,
oct-procbuf.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h,
oct-strstrm.h, octave-link.h, pager.h, profiler.h, sighandlers.cc,
symtab.h, text-renderer.h, zfstream.h, __init_fltk__.cc,
ov-builtin.h, ov-dld-fcn.h, ov-fcn.h, ov-mex-fcn.h, ov-typeinfo.h,
ov-usr-fcn.h, octave.h, lex.h, parse.h, pt-arg-list.h,
pt-array-list.h, pt-assign.h, pt-binop.h, pt-bp.h, pt-cell.h,
pt-check.h, pt-classdef.h, pt-cmd.h, pt-colon.h, pt-const.h,
pt-decl.h, pt-eval.h, pt-except.h, pt-exp.h, pt-fcn-handle.h,
pt-funcall.h, pt-id.h, pt-idx.h, pt-jump.h, pt-loop.h, pt-mat.h,
pt-misc.h, pt-pr-code.h, pt-select.h, pt-stmt.h, pt-unop.h,
pt-walk.h, pt.h, token.h, Array.cc, idx-vector.h, oct-fftw.h,
sparse-chol.cc, sparse-qr.cc, file-ops.h, mach-info.h, oct-env.h,
action-container.h, cmd-edit.cc, cmd-edit.h, cmd-hist.h,
oct-locbuf.h, oct-mutex.h, oct-shlib.cc, oct-sort.h, pathsearch.h,
singleton-cleanup.h, unwind-prot.h, url-transfer.cc, url-transfer.h:
Declare deleted copy constructors and assignment operators public.
author | John W. Eaton <jwe@octave.org> |
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date | Tue, 06 Dec 2016 12:40:45 -0500 |
parents | 87e3163f6c87 |
children | 564e959a0e89 |
rev | line source |
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1 | 1 /* |
2 | |
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3 Copyright (C) 1993-2016 John W. Eaton |
1 | 4 |
5 This file is part of Octave. | |
6 | |
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. |
1 | 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 |
19 <http://www.gnu.org/licenses/>. | |
1 | 20 |
21 */ | |
22 | |
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23 #if ! defined (octave_parse_h) |
383 | 24 #define octave_parse_h 1 |
1 | 25 |
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26 #include "octave-config.h" |
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27 |
3021 | 28 #include <cstdio> |
29 | |
1755 | 30 #include <string> |
31 | |
4426 | 32 #include <stack> |
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33 #include <vector> |
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34 #include <map> |
4426 | 35 |
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36 #include "lex.h" |
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37 #include "symtab.h" |
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38 #include "token.h" |
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39 |
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40 class octave_comment_list; |
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41 class octave_function; |
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42 class octave_user_function; |
1 | 43 class tree; |
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44 class tree_anon_fcn_handle; |
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45 class tree_argument_list; |
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46 class tree_array_list; |
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47 class tree_cell; |
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48 class tree_classdef; |
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49 class tree_classdef_attribute_list; |
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50 class tree_classdef_body; |
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51 class tree_classdef_enum_block; |
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52 class tree_classdef_enum_list; |
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53 class tree_classdef_events_block; |
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54 class tree_classdef_events_list; |
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55 class tree_classdef_methods_block; |
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56 class tree_classdef_methods_list; |
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57 class tree_classdef_properties_block; |
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58 class tree_classdef_property_list; |
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59 class tree_classdef_superclass_list; |
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60 class tree_colon_expression; |
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61 class tree_command; |
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62 class tree_constant; |
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63 class tree_decl_command; |
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64 class tree_decl_init_list; |
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65 class tree_expression; |
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66 class tree_fcn_handle; |
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67 class tree_funcall; |
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68 class tree_function_def; |
1 | 69 class tree_identifier; |
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70 class tree_if_clause; |
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71 class tree_if_command; |
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72 class tree_if_command_list; |
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73 class tree_index_expression; |
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74 class tree_matrix; |
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75 class tree_matrix; |
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76 class tree_parameter_list; |
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77 class tree_statement; |
13970 | 78 class tree_statement_list; |
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79 class tree_statement_listtree_statement; |
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80 class tree_switch_case; |
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81 class tree_switch_case_list; |
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82 class tree_switch_command; |
3772 | 83 |
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84 #include "ovl.h" |
1 | 85 |
86 // Nonzero means print parser debugging info (-d). | |
4753 | 87 extern int octave_debug; |
1 | 88 |
3021 | 89 // TRUE means we printed messages about reading startup files. |
90 extern bool reading_startup_message_printed; | |
91 | |
6109 | 92 extern OCTINTERP_API std::string |
5484 | 93 get_help_from_file (const std::string& nm, bool& symbol_found, |
10313 | 94 std::string& file); |
5931 | 95 |
6109 | 96 extern OCTINTERP_API std::string |
5931 | 97 get_help_from_file (const std::string& nm, bool& symbol_found); |
5484 | 98 |
6109 | 99 extern OCTINTERP_API std::string lookup_autoload (const std::string& nm); |
3021 | 100 |
6109 | 101 extern OCTINTERP_API string_vector autoloaded_functions (void); |
5592 | 102 |
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103 extern OCTINTERP_API string_vector |
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104 reverse_lookup_autoload (const std::string& nm); |
5592 | 105 |
7336 | 106 extern OCTINTERP_API octave_function * |
107 load_fcn_from_file (const std::string& file_name, | |
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108 const std::string& dir_name = "", |
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109 const std::string& dispatch_type = "", |
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110 const std::string& package_name = "", |
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111 const std::string& fcn_name = "", |
10313 | 112 bool autoload = false); |
3021 | 113 |
6109 | 114 extern OCTINTERP_API void |
5975 | 115 source_file (const std::string& file_name, |
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116 const std::string& context = "", |
10313 | 117 bool verbose = false, bool require_file = true, |
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118 const std::string& warn_for = ""); |
4486 | 119 |
6109 | 120 extern OCTINTERP_API octave_value_list |
3772 | 121 feval (const std::string& name, |
122 const octave_value_list& args = octave_value_list (), | |
123 int nargout = 0); | |
3156 | 124 |
6109 | 125 extern OCTINTERP_API octave_value_list |
4342 | 126 feval (octave_function *fcn, |
127 const octave_value_list& args = octave_value_list (), | |
128 int nargout = 0); | |
129 | |
6109 | 130 extern OCTINTERP_API octave_value_list |
3772 | 131 feval (const octave_value_list& args, int nargout = 0); |
3021 | 132 |
6109 | 133 extern OCTINTERP_API octave_value_list |
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134 eval_string (const std::string&, bool silent, int& parse_status, int nargout); |
3099 | 135 |
6109 | 136 extern OCTINTERP_API octave_value |
3523 | 137 eval_string (const std::string&, bool silent, int& parse_status); |
3021 | 138 |
13970 | 139 extern OCTINTERP_API void cleanup_statement_list (tree_statement_list **lst); |
140 | |
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141 namespace octave |
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142 { |
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143 // Global access to currently active lexer. |
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144 // FIXME: to be removed after more parser+lexer refactoring. |
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145 extern base_lexer *LEXER; |
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146 |
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147 class |
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148 base_parser |
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149 { |
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150 public: |
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151 |
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152 base_parser (base_lexer& lxr); |
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153 |
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154 // No copying! |
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155 |
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156 base_parser (const base_parser&) = delete; |
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157 |
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158 base_parser& operator = (const base_parser&) = delete; |
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159 |
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160 ~base_parser (void); |
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161 |
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162 void reset (void); |
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163 |
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164 // Error mesages for mismatched end tokens. |
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165 void end_token_error (token *tok, token::end_tok_type expected); |
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166 |
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167 // Check to see that end tokens are properly matched. |
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168 bool end_token_ok (token *tok, token::end_tok_type expected); |
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169 |
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170 // Maybe print a warning if an assignment expression is used as the |
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171 // test in a logical expression. |
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172 void maybe_warn_assign_as_truth_value (tree_expression *expr); |
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173 |
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174 // Maybe print a warning about switch labels that aren't constants. |
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175 void maybe_warn_variable_switch_label (tree_expression *expr); |
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176 |
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177 // Finish building a range. |
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178 tree_expression *finish_colon_expression (tree_colon_expression *e); |
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179 |
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180 // Build a constant. |
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181 tree_constant *make_constant (int op, token *tok_val); |
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182 |
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183 // Build a function handle. |
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184 tree_fcn_handle *make_fcn_handle (token *tok_val); |
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185 |
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186 // Build an anonymous function handle. |
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187 tree_anon_fcn_handle * |
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188 make_anon_fcn_handle (tree_parameter_list *param_list, tree_statement *stmt); |
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189 |
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190 // Build a binary expression. |
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191 tree_expression * |
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192 make_binary_op (int op, tree_expression *op1, token *tok_val, |
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193 tree_expression *op2); |
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194 |
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195 // Build a boolean expression. |
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196 tree_expression * |
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197 make_boolean_op (int op, tree_expression *op1, token *tok_val, |
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198 tree_expression *op2); |
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199 |
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200 // Build a prefix expression. |
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201 tree_expression * |
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202 make_prefix_op (int op, tree_expression *op1, token *tok_val); |
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203 |
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204 // Build a postfix expression. |
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205 tree_expression * |
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206 make_postfix_op (int op, tree_expression *op1, token *tok_val); |
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207 |
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208 // Build an unwind-protect command. |
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209 tree_command * |
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210 make_unwind_command (token *unwind_tok, tree_statement_list *body, |
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211 tree_statement_list *cleanup, token *end_tok, |
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212 octave_comment_list *lc, octave_comment_list *mc); |
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213 |
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214 // Build a try-catch command. |
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215 tree_command * |
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216 make_try_command (token *try_tok, tree_statement_list *body, |
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217 char catch_sep, tree_statement_list *cleanup, |
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218 token *end_tok, octave_comment_list *lc, |
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219 octave_comment_list *mc); |
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220 |
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221 // Build a while command. |
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222 tree_command * |
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223 make_while_command (token *while_tok, tree_expression *expr, |
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224 tree_statement_list *body, token *end_tok, |
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225 octave_comment_list *lc); |
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226 |
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227 // Build a do-until command. |
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228 tree_command * |
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229 make_do_until_command (token *until_tok, tree_statement_list *body, |
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230 tree_expression *expr, octave_comment_list *lc); |
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231 |
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232 // Build a for command. |
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233 tree_command * |
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234 make_for_command (int tok_id, token *for_tok, tree_argument_list *lhs, |
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235 tree_expression *expr, tree_expression *maxproc, |
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236 tree_statement_list *body, token *end_tok, |
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237 octave_comment_list *lc); |
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238 |
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239 // Build a break command. |
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240 tree_command *make_break_command (token *break_tok); |
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241 |
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242 // Build a continue command. |
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243 tree_command *make_continue_command (token *continue_tok); |
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244 |
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245 // Build a return command. |
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246 tree_command *make_return_command (token *return_tok); |
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247 |
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248 // Start an if command. |
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249 tree_if_command_list * |
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250 start_if_command (tree_expression *expr, tree_statement_list *list); |
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251 |
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252 // Finish an if command. |
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253 tree_if_command * |
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254 finish_if_command (token *if_tok, tree_if_command_list *list, |
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255 token *end_tok, octave_comment_list *lc); |
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256 |
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257 // Build an elseif clause. |
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258 tree_if_clause * |
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259 make_elseif_clause (token *elseif_tok, tree_expression *expr, |
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260 tree_statement_list *list, octave_comment_list *lc); |
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261 |
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262 // Finish a switch command. |
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263 tree_switch_command * |
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264 finish_switch_command (token *switch_tok, tree_expression *expr, |
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265 tree_switch_case_list *list, token *end_tok, |
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266 octave_comment_list *lc); |
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267 |
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268 // Build a switch case. |
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269 tree_switch_case * |
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270 make_switch_case (token *case_tok, tree_expression *expr, |
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271 tree_statement_list *list, octave_comment_list *lc); |
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272 |
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273 // Build an assignment to a variable. |
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274 tree_expression * |
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275 make_assign_op (int op, tree_argument_list *lhs, token *eq_tok, |
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276 tree_expression *rhs); |
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277 |
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278 // Define a script. |
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279 void make_script (tree_statement_list *cmds, tree_statement *end_script); |
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280 |
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281 // Begin defining a function. |
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282 octave_user_function * |
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283 start_function (tree_parameter_list *param_list, tree_statement_list *body, |
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284 tree_statement *end_function); |
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285 |
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286 // Create a no-op statement for end_function. |
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287 tree_statement *make_end (const std::string& type, bool eof, int l, int c); |
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288 |
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289 // Do most of the work for defining a function. |
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290 octave_user_function * |
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291 frob_function (const std::string& fname, octave_user_function *fcn); |
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292 |
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293 // Finish defining a function. |
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294 tree_function_def * |
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295 finish_function (tree_parameter_list *ret_list, |
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296 octave_user_function *fcn, octave_comment_list *lc, |
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297 int l, int c); |
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298 |
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299 // Reset state after parsing function. |
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300 void |
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301 recover_from_parsing_function (void); |
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302 |
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303 tree_funcall * |
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304 make_superclass_ref (const std::string& method_nm, |
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305 const std::string& class_nm); |
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306 |
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307 tree_funcall * |
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308 make_meta_class_query (const std::string& class_nm); |
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309 |
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310 tree_classdef * |
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311 make_classdef (token *tok_val, tree_classdef_attribute_list *a, |
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312 tree_identifier *id, tree_classdef_superclass_list *sc, |
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313 tree_classdef_body *body, token *end_tok, |
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314 octave_comment_list *lc); |
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315 |
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316 tree_classdef_properties_block * |
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317 make_classdef_properties_block (token *tok_val, |
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318 tree_classdef_attribute_list *a, |
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319 tree_classdef_property_list *plist, |
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320 token *end_tok, octave_comment_list *lc); |
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321 |
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322 tree_classdef_methods_block * |
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323 make_classdef_methods_block (token *tok_val, |
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324 tree_classdef_attribute_list *a, |
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325 tree_classdef_methods_list *mlist, |
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326 token *end_tok, octave_comment_list *lc); |
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327 |
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328 tree_classdef_events_block * |
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329 make_classdef_events_block (token *tok_val, |
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330 tree_classdef_attribute_list *a, |
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331 tree_classdef_events_list *elist, |
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332 token *end_tok, octave_comment_list *lc); |
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333 |
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334 tree_classdef_enum_block * |
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335 make_classdef_enum_block (token *tok_val, |
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336 tree_classdef_attribute_list *a, |
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337 tree_classdef_enum_list *elist, |
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338 token *end_tok, octave_comment_list *lc); |
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339 |
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340 octave_user_function * |
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341 start_classdef_external_method (tree_identifier *id, |
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342 tree_parameter_list *pl); |
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343 |
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344 tree_function_def * |
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345 finish_classdef_external_method (octave_user_function *fcn, |
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346 tree_parameter_list *ret_list, |
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347 octave_comment_list *cl); |
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348 |
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349 // Make an index expression. |
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350 tree_index_expression * |
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351 make_index_expression (tree_expression *expr, |
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352 tree_argument_list *args, char type); |
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353 |
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354 // Make an indirect reference expression. |
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355 tree_index_expression * |
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356 make_indirect_ref (tree_expression *expr, const std::string&); |
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357 |
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358 // Make an indirect reference expression with dynamic field name. |
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359 tree_index_expression * |
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360 make_indirect_ref (tree_expression *expr, tree_expression *field); |
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361 |
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362 // Make a declaration command. |
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363 tree_decl_command * |
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364 make_decl_command (int tok, token *tok_val, tree_decl_init_list *lst); |
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365 |
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366 // Validate matrix or cell |
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367 bool validate_array_list (tree_expression *e); |
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368 |
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369 // Validate matrix object used in "[lhs] = ..." assignments. |
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370 tree_argument_list *validate_matrix_for_assignment (tree_expression *e); |
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371 |
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372 // Finish building an array_list (common action for finish_matrix |
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373 // and finish_cell). |
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374 tree_expression *finish_array_list (tree_array_list *a); |
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375 |
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376 // Finish building a matrix list. |
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377 tree_expression *finish_matrix (tree_matrix *m); |
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378 |
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379 // Finish building a cell list. |
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380 tree_expression *finish_cell (tree_cell *c); |
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381 |
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382 // Maybe print a warning. Duh. |
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383 void maybe_warn_missing_semi (tree_statement_list *); |
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384 |
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385 // Set the print flag for a statement based on the separator type. |
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386 tree_statement_list * |
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387 set_stmt_print_flag (tree_statement_list *, char, bool); |
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388 |
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389 // Finish building a statement. |
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390 template <typename T> |
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391 tree_statement *make_statement (T *arg); |
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392 |
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393 // Create a statement list. |
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394 tree_statement_list *make_statement_list (tree_statement *stmt); |
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395 |
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396 // Append a statement to an existing statement list. |
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397 tree_statement_list * |
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398 append_statement_list (tree_statement_list *list, char sep, |
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399 tree_statement *stmt, bool warn_missing_semi); |
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400 |
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401 // Generic error messages. |
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402 void bison_error (const std::string& s, int l = -1, int c = -1); |
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403 |
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404 // Contains error message if Bison-generated parser returns non-zero |
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405 // status. |
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406 std::string parse_error_msg; |
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407 |
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408 // Have we found an explicit end to a function? |
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409 bool endfunction_found; |
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410 |
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411 // TRUE means we are in the process of autoloading a function. |
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412 bool autoloading; |
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413 |
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414 // TRUE means the current function file was found in a relative path |
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415 // element. |
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416 bool fcn_file_from_relative_lookup; |
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417 |
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418 // FALSE if we are still at the primary function. Subfunctions can |
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419 // only be declared inside function files. |
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420 bool parsing_subfunctions; |
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421 |
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422 // Maximum function depth detected. Used to determine whether |
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423 // we have nested functions or just implicitly ended subfunctions. |
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424 int max_fcn_depth; |
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425 |
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426 // = 0 currently outside any function. |
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427 // = 1 inside the primary function or a subfunction. |
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428 // > 1 means we are looking at a function definition that seems to be |
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429 // inside a function. Note that the function still might not be a |
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430 // nested function. |
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431 int curr_fcn_depth; |
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432 |
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433 // Scope where we install all subfunctions and nested functions. Only |
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434 // used while reading function files. |
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435 symbol_table::scope_id primary_fcn_scope; |
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436 |
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437 // Name of the current class when we are parsing class methods or |
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438 // constructors. |
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439 std::string curr_class_name; |
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440 |
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441 // Name of the current package when we are parsing an element contained |
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442 // in a package directory (+-directory). |
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443 std::string curr_package_name; |
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444 |
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445 // A stack holding the nested function scopes being parsed. |
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446 // We don't use std::stack, because we want the clear method. Also, we |
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447 // must access one from the top |
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448 std::vector<symbol_table::scope_id> function_scopes; |
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449 |
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450 // Pointer to the primary user function or user script function. |
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451 octave_function *primary_fcn_ptr; |
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452 |
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453 // List of subfunction names, initially in the order they are |
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454 // installed in the symbol table, then ordered as they appear in the |
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455 // file. Eventually stashed in the primary function object. |
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456 std::list<std::string> subfunction_names; |
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457 |
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458 // Pointer to the classdef object we just parsed, if any. |
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459 tree_classdef *classdef_object; |
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460 |
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461 // Result of parsing input. |
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462 tree_statement_list *stmt_list; |
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463 |
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464 // State of the lexer. |
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465 base_lexer& lexer; |
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466 |
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467 // Internal state of the Bison parser. |
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468 void *parser_state; |
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469 }; |
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470 |
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471 class |
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472 parser : public base_parser |
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473 { |
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474 public: |
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475 |
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476 parser (void) |
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477 : base_parser (*(new octave::lexer ())) |
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478 { } |
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479 |
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480 parser (FILE *file) |
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481 : base_parser (*(new octave::lexer (file))) |
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482 { } |
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483 |
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484 parser (const std::string& eval_string) |
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485 : base_parser (*(new octave::lexer (eval_string))) |
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486 { } |
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487 |
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488 parser (octave::lexer& lxr) |
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489 : base_parser (lxr) |
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490 { } |
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491 |
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492 // No copying! |
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493 |
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494 parser (const parser&) = delete; |
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495 |
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496 parser& operator = (const parser&) = delete; |
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497 |
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498 ~parser (void) = default; |
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499 |
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500 int run (void); |
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501 }; |
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502 |
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503 class |
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504 push_parser : public base_parser |
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505 { |
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506 public: |
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507 |
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508 push_parser (void) |
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509 : base_parser (*(new octave::push_lexer ())) |
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510 { } |
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511 |
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512 // No copying! |
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513 |
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514 push_parser (const push_parser&) = delete; |
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515 |
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516 push_parser& operator = (const push_parser&) = delete; |
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517 |
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518 ~push_parser (void) = default; |
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519 |
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520 int run (const std::string& input, bool eof); |
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521 }; |
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522 } |
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523 |
1 | 524 #endif |
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525 |