Mercurial > octave
annotate libinterp/corefcn/input.cc @ 26113:8a15f3bace49
move eval_string inside interpreter/evaluator class
* tree_evaluator.h, tree_evaluator.cc (tree_evaluator::eval_string):
New functions.
* interpreter.h, interpreter.cc (interpreter::eval_string): New
functions. Forward to evaluator eval_string functions.
* parse.h, oct-parse.yy (eval_string): Deprecate and forward to
interpreter eval_string functions. Change all uses.
* pt.h, pt.cc (tree::meets_bp_condition): Accept reference to
tree_evaluator as argument. Change all uses.
(tree::is_breakpoint): Split into separate is_breakpoint and
is_active_breakpoint functions. Change all uses.
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 16 Nov 2018 13:16:50 -0500 |
parents | 41656e99ae60 |
children | 9aff537a5704 |
rev | line source |
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1 | 1 /* |
2 | |
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3 Copyright (C) 1993-2018 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. |
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 |
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19 <https://www.gnu.org/licenses/>. |
1 | 20 |
21 */ | |
22 | |
2939 | 23 // Get command input interactively or from files. |
1 | 24 |
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25 #if defined (HAVE_CONFIG_H) |
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26 # include "config.h" |
1 | 27 #endif |
28 | |
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29 #include <cstdio> |
1343 | 30 #include <cstdlib> |
31 #include <cstring> | |
32 #include <cassert> | |
33 | |
3503 | 34 #include <iostream> |
5765 | 35 #include <sstream> |
1728 | 36 #include <string> |
37 | |
2927 | 38 #include "cmd-edit.h" |
3189 | 39 #include "file-ops.h" |
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40 #include "iconv-wrappers.h" |
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41 #include "localcharset-wrapper.h" |
4153 | 42 #include "quit.h" |
1755 | 43 #include "str-vec.h" |
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44 #include "uniconv-wrappers.h" |
1755 | 45 |
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46 #include "builtin-defun-decls.h" |
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47 #include "call-stack.h" |
1352 | 48 #include "defun.h" |
49 #include "dirfns.h" | |
1 | 50 #include "error.h" |
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51 #include "errwarn.h" |
3016 | 52 #include "help.h" |
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53 #include "hook-fcn.h" |
1 | 54 #include "input.h" |
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55 #include "interpreter-private.h" |
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56 #include "interpreter.h" |
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57 #include "lex.h" |
5832 | 58 #include "load-path.h" |
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59 #include "octave.h" |
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60 #include "octave-link.h" |
1352 | 61 #include "oct-map.h" |
1742 | 62 #include "oct-hist.h" |
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63 #include "interpreter.h" |
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64 #include "octave-link.h" |
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65 #include "ovl.h" |
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66 #include "ov-fcn-handle.h" |
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67 #include "ov-usr-fcn.h" |
1 | 68 #include "pager.h" |
529 | 69 #include "parse.h" |
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70 #include "pt-eval.h" |
3805 | 71 #include "pt-stmt.h" |
1352 | 72 #include "sighandlers.h" |
1114 | 73 #include "sysdep.h" |
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74 #include "interpreter.h" |
3098 | 75 #include "unwind-prot.h" |
1352 | 76 #include "utils.h" |
77 #include "variables.h" | |
529 | 78 |
3165 | 79 // The time we last printed a prompt. |
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80 octave::sys::time Vlast_prompt_time = 0.0; |
3165 | 81 |
3804 | 82 // TRUE after a call to completion_matches. |
2299 | 83 bool octave_completion_matches_called = false; |
84 | |
6257 | 85 // TRUE if the plotting system has requested a call to drawnow at |
86 // the next user prompt. | |
7409 | 87 bool Vdrawnow_requested = false; |
6257 | 88 |
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89 // TRUE if we are in debugging mode. |
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90 bool Vdebugging = false; |
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91 |
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92 // TRUE if we are recording line numbers in a source file. |
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93 // Always true except when debugging and taking input directly from |
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94 // the terminal. |
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95 bool Vtrack_line_num = true; |
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96 |
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97 static std::string |
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98 quoting_filename (const std::string& text, int, char quote) |
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99 { |
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100 if (quote) |
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101 return text; |
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102 else |
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103 return ("'" + text); |
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104 } |
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105 |
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106 // Try to parse a partial command line in reverse, excluding trailing TEXT. |
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107 // If it appears a variable has been indexed by () or {}, |
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108 // return that expression, |
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109 // to allow autocomplete of field names of arrays of structures. |
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110 static std::string |
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111 find_indexed_expression (const std::string& text) |
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112 { |
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113 std::string line = octave::command_editor::get_line_buffer (); |
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114 |
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115 int pos = line.length () - text.length (); |
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116 int curly_count = 0; |
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117 int paren_count = 0; |
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118 |
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119 int last = --pos; |
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120 |
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121 while (pos >= 0 && (line[pos] == ')' || line[pos] == '}')) |
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122 { |
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123 if (line[pos] == ')') |
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124 paren_count++; |
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125 else if (line[pos] == '}') |
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126 curly_count++; |
7294 | 127 |
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128 while (curly_count + paren_count > 0 && --pos >= 0) |
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129 { |
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130 if (line[pos] == ')') |
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131 paren_count++; |
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132 else if (line[pos] == '(') |
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133 paren_count--; |
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134 else if (line[pos] == '}') |
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135 curly_count++; |
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136 else if (line[pos] == '{') |
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137 curly_count--; |
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138 } |
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139 |
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140 while (--pos >= 0 && line[pos] == ' ') |
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141 ; |
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142 } |
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143 |
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144 while (pos >= 0 && (isalnum (line[pos]) || line[pos] == '_')) |
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145 pos--; |
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146 |
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147 if (++pos >= 0) |
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148 return (line.substr (pos, last + 1 - pos)); |
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149 else |
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150 return std::string (); |
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151 } |
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152 |
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153 static inline bool |
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154 is_variable (octave::symbol_table& symtab, const std::string& name) |
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155 { |
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156 bool retval = false; |
5142 | 157 |
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158 if (! name.empty ()) |
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159 { |
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160 octave::symbol_scope scope = symtab.current_scope (); |
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161 |
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162 octave_value val = scope ? scope.varval (name) : octave_value (); |
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163 |
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164 retval = val.is_defined (); |
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165 } |
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167 return retval; | |
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168 } |
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169 |
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170 static string_vector |
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171 generate_struct_completions (const std::string& text, |
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172 std::string& prefix, std::string& hint) |
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173 { |
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174 string_vector names; |
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175 |
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176 size_t pos = text.rfind ('.'); |
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177 bool array = false; |
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179 if (pos != std::string::npos) |
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181 if (pos == text.length ()) |
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182 hint = ""; |
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183 else |
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184 hint = text.substr (pos+1); |
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185 |
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186 prefix = text.substr (0, pos); |
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187 |
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188 if (prefix == "") |
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189 { |
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190 array = true; |
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191 prefix = find_indexed_expression (text); |
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192 } |
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194 std::string base_name = prefix; |
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195 |
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196 pos = base_name.find_first_of ("{(. "); |
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197 |
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198 if (pos != std::string::npos) |
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199 base_name = base_name.substr (0, pos); |
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201 octave::interpreter& interp |
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202 = octave::__get_interpreter__ ("generate_struct_completions"); |
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203 |
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204 octave::symbol_table& symtab = interp.get_symbol_table (); |
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205 |
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206 if (is_variable (symtab, base_name)) |
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207 { |
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208 int parse_status; |
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209 |
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210 octave::unwind_protect frame; |
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211 |
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212 frame.protect_var (discard_error_messages); |
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213 frame.protect_var (discard_warning_messages); |
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215 discard_error_messages = true; |
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216 discard_warning_messages = true; |
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217 |
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218 try |
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219 { |
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220 octave_value tmp |
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221 = interp.eval_string (prefix, true, parse_status); |
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222 |
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223 frame.run (); |
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225 if (tmp.is_defined () |
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226 && (tmp.isstruct () || tmp.isjava () || tmp.is_classdef_object ())) |
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227 names = tmp.map_keys (); |
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228 } |
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229 catch (const octave::execution_exception&) |
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230 { |
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231 octave::interpreter::recover_from_exception (); |
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232 } |
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233 } |
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235 | |
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236 // Undo look-back that found the array expression, |
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237 // but insert an extra "." to distinguish from the non-struct case. |
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238 if (array) |
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239 prefix = "."; |
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240 |
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241 return names; |
6257 | 242 } |
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243 |
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244 // FIXME: this will have to be much smarter to work "correctly". |
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245 static bool |
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246 looks_like_struct (const std::string& text, char prev_char) |
1 | 247 { |
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248 bool retval = (! text.empty () |
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249 && (text != "." || prev_char == ')' || prev_char == '}') |
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250 && text.find_first_of (octave::sys::file_ops::dir_sep_chars ()) == std::string::npos |
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251 && text.find ("..") == std::string::npos |
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252 && text.rfind ('.') != std::string::npos); |
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254 #if 0 |
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255 symbol_record *sr = curr_sym_tab->lookup (text); |
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256 |
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257 if (sr && ! sr->is_function ()) |
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258 { |
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259 int parse_status; |
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260 |
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261 octave::unwind_protect frame; |
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262 |
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263 frame.protect_var (discard_error_messages); |
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264 |
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265 discard_error_messages = true; |
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266 |
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267 octave::interpreter& interp |
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268 = octave::__get_interpreter__ ("looks_like_struct"); |
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269 |
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270 octave_value tmp = interp.eval_string (text, true, parse_status); |
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271 |
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272 frame.run (); |
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273 |
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274 retval = (tmp.is_defined () && tmp.isstruct ()); |
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275 } |
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276 #endif |
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277 |
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278 return retval; |
1 | 279 } |
280 | |
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281 // FIXME: make this generate filenames when appropriate. |
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282 |
2247 | 283 static string_vector |
3523 | 284 generate_possible_completions (const std::string& text, std::string& prefix, |
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285 std::string& hint, bool& deemed_struct) |
1280 | 286 { |
2247 | 287 string_vector names; |
1280 | 288 |
2921 | 289 prefix = ""; |
1280 | 290 |
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291 char prev_char = octave::command_editor::get_prev_char (text.length ()); |
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292 deemed_struct = looks_like_struct (text, prev_char); |
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293 |
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294 if (deemed_struct) |
1430 | 295 names = generate_struct_completions (text, prefix, hint); |
296 else | |
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297 names = octave::make_name_list (); |
1280 | 298 |
2944 | 299 // Sort and remove duplicates. |
2348 | 300 |
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301 names.sort (true); |
2348 | 302 |
1280 | 303 return names; |
304 } | |
305 | |
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306 static bool |
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307 is_completing_dirfns (void) |
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308 { |
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309 static std::string dirfns_commands[] = {"cd", "isfile", "isfolder", "ls"}; |
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310 static const size_t dirfns_commands_length = 4; |
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311 |
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312 bool retval = false; |
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313 |
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314 std::string line = octave::command_editor::get_line_buffer (); |
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315 |
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316 for (size_t i = 0; i < dirfns_commands_length; i++) |
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317 { |
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318 int index = line.find (dirfns_commands[i] + ' '); |
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319 |
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320 if (index == 0) |
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321 { |
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322 retval = true; |
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323 break; |
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324 } |
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325 } |
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326 |
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327 return retval; |
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328 } |
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329 |
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330 static std::string |
3523 | 331 generate_completion (const std::string& text, int state) |
1822 | 332 { |
3523 | 333 std::string retval; |
2944 | 334 |
3523 | 335 static std::string prefix; |
336 static std::string hint; | |
1280 | 337 |
2921 | 338 static size_t hint_len = 0; |
1280 | 339 |
1 | 340 static int list_index = 0; |
2921 | 341 static int name_list_len = 0; |
4604 | 342 static int name_list_total_len = 0; |
2247 | 343 static string_vector name_list; |
4604 | 344 static string_vector file_name_list; |
1 | 345 |
1280 | 346 static int matches = 0; |
1 | 347 |
348 if (state == 0) | |
349 { | |
350 list_index = 0; | |
351 | |
2921 | 352 prefix = ""; |
1280 | 353 |
2921 | 354 hint = text; |
1280 | 355 |
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356 // No reason to display symbols while completing a |
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357 // file/directory operation. |
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358 |
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359 bool deemed_struct = false; |
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360 |
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361 if (is_completing_dirfns ()) |
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362 name_list = string_vector (); |
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363 else |
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364 name_list = generate_possible_completions (text, prefix, hint, |
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365 deemed_struct); |
1280 | 366 |
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367 name_list_len = name_list.numel (); |
2921 | 368 |
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369 // If the line was something like "a{1}." then text = "." but |
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370 // we don't want to expand all the . files. |
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371 if (! deemed_struct) |
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372 { |
4604 | 373 |
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374 file_name_list = octave::command_editor::generate_filename_completions (text); |
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375 |
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376 name_list.append (file_name_list); |
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377 |
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378 } |
5142 | 379 |
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380 name_list_total_len = name_list.numel (); |
4604 | 381 |
2921 | 382 hint_len = hint.length (); |
1280 | 383 |
384 matches = 0; | |
2247 | 385 |
2921 | 386 for (int i = 0; i < name_list_len; i++) |
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387 if (hint == name_list[i].substr (0, hint_len)) |
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388 matches++; |
1 | 389 } |
390 | |
4604 | 391 if (name_list_total_len > 0 && matches > 0) |
1 | 392 { |
4604 | 393 while (list_index < name_list_total_len) |
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394 { |
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395 std::string name = name_list[list_index]; |
2247 | 396 |
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397 list_index++; |
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398 |
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399 if (hint == name.substr (0, hint_len)) |
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400 { |
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401 // Special case: array reference forces prefix="." |
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402 // in generate_struct_completions () |
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403 if (list_index <= name_list_len && ! prefix.empty ()) |
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404 retval = (prefix == "." ? "" : prefix) + '.' + name; |
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405 else |
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406 retval = name; |
1280 | 407 |
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408 char prev_char = octave::command_editor::get_prev_char |
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409 (text.length ()); |
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410 if (matches == 1 && looks_like_struct (retval, prev_char)) |
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411 { |
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412 // Don't append anything, since we don't know |
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413 // whether it should be '(' or '.'. |
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414 |
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415 octave::command_editor::set_completion_append_character ('\0'); |
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416 } |
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417 else |
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418 { |
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419 octave::input_system& input_sys |
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420 = octave::__get_input_system__ ("generate_completion"); |
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421 |
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422 octave::command_editor::set_completion_append_character |
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423 (input_sys.completion_append_char ()); |
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424 } |
1280 | 425 |
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426 break; |
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427 } |
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428 } |
1 | 429 } |
1822 | 430 |
431 return retval; | |
432 } | |
581 | 433 |
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434 namespace octave |
6257 | 435 { |
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436 // Use literal "octave" in default setting for PS1 instead of |
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437 // "\\s" to avoid setting the prompt to "octave.exe" or |
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438 // "octave-gui", etc. |
6257 | 439 |
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440 input_system::input_system (interpreter& interp) |
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441 : m_interpreter (interp), m_PS1 (R"(octave:\#> )"), m_PS2 ("> "), |
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442 m_completion_append_char (' '), m_gud_mode (false), |
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443 m_mfile_encoding ("utf-8"), m_last_debugging_command ("\n"), |
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444 m_input_event_hook_functions () |
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445 { |
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446 #if defined (OCTAVE_USE_WINDOWS_API) |
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447 m_mfile_encoding = "system"; |
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448 #endif |
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449 } |
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450 |
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451 void input_system::initialize (bool line_editing) |
6257 | 452 { |
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453 // Force default line editor if we don't want readline editing. |
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454 if (! line_editing) |
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455 { |
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456 command_editor::force_default_editor (); |
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457 return; |
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458 } |
6257 | 459 |
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460 // If we are using readline, this allows conditional parsing of the |
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461 // .inputrc file. |
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462 |
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463 octave::command_editor::set_name ("Octave"); |
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464 |
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465 // FIXME: this needs to include a comma too, but that |
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466 // causes trouble for the new struct element completion code. |
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467 |
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468 static const char *s = "\t\n !\"\'*+-/:;<=>(){}[\\]^`~"; |
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469 |
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470 octave::command_editor::set_basic_word_break_characters (s); |
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471 |
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472 octave::command_editor::set_completer_word_break_characters (s); |
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473 |
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474 octave::command_editor::set_basic_quote_characters (R"(")"); |
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475 |
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476 octave::command_editor::set_filename_quote_characters (" \t\n\\\"'@<>=;|&()#$`?*[!:{"); |
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477 |
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478 octave::command_editor::set_completer_quote_characters (R"('")"); |
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479 |
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480 octave::command_editor::set_completion_function (generate_completion); |
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481 |
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482 octave::command_editor::set_quoting_function (quoting_filename); |
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483 } |
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484 |
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485 octave_value |
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486 input_system::PS1 (const octave_value_list& args, int nargout) |
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487 { |
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488 return set_internal_variable (m_PS1, args, nargout, "PS1"); |
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489 } |
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490 |
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491 octave_value |
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492 input_system::PS2 (const octave_value_list& args, int nargout) |
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493 { |
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494 return set_internal_variable (m_PS2, args, nargout, "PS2"); |
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495 } |
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496 |
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497 octave_value |
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498 input_system::completion_append_char (const octave_value_list& args, |
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499 int nargout) |
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500 { |
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501 return set_internal_variable (m_completion_append_char, args, nargout, |
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502 "completion_append_char"); |
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503 } |
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504 |
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505 octave_value |
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506 input_system::gud_mode (const octave_value_list& args, int nargout) |
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507 { |
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508 return set_internal_variable (m_gud_mode, args, nargout, "__gud_mode__"); |
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509 } |
269 | 510 |
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511 octave_value |
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512 input_system::mfile_encoding (const octave_value_list& args, int nargout) |
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513 { |
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514 // Save current value in case there is an error in the additional |
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515 // validation below. |
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516 |
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517 std::string saved_encoding = m_mfile_encoding; |
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518 |
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519 // We must pass the actual variable to change here for temporary |
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520 // "local" settings to work properly. |
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521 |
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522 octave_value retval |
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523 = set_internal_variable (m_mfile_encoding, args, nargout, |
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524 "__mfile_encoding__"); |
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525 |
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526 // Additional validation if the encoding has changed. |
1358 | 527 |
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528 if (m_mfile_encoding != saved_encoding) |
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529 { |
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530 if (m_mfile_encoding.empty ()) |
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531 { |
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532 #if defined (OCTAVE_USE_WINDOWS_API) |
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533 m_mfile_encoding = "system"; |
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534 #else |
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535 m_mfile_encoding = "utf-8"; |
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536 #endif |
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537 } |
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538 else |
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539 { |
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540 std::transform (m_mfile_encoding.begin (), |
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541 m_mfile_encoding.end (), |
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542 m_mfile_encoding.begin (), ::tolower); |
3933 | 543 |
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544 std::string codepage = (m_mfile_encoding.compare ("system") == 0) |
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545 ? octave_locale_charset_wrapper () : m_mfile_encoding; |
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547 // Check for valid codepage. |
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548 void *codec |
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549 = octave_iconv_open_wrapper (codepage.c_str (), "utf-8"); |
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550 |
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551 if (errno == EINVAL) |
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552 { |
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553 m_mfile_encoding = saved_encoding; |
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555 error ("__mfile_encoding__: conversion from codepage '%s' not supported", |
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556 codepage.c_str ()); |
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557 } |
3933 | 558 |
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559 octave_iconv_close_wrapper (codec); |
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560 } |
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561 |
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562 } |
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563 |
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564 // Synchronize the related gui preference for editor encoding |
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565 octave::feval ("__octave_link_gui_preference__", |
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566 ovl ("editor/default_encoding", m_mfile_encoding)); |
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567 |
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568 return retval; |
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569 } |
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570 |
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571 bool input_system::yes_or_no (const std::string& prompt) |
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572 { |
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573 std::string prompt_string = prompt + "(yes or no) "; |
6367 | 574 |
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575 while (1) |
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576 { |
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577 bool eof = false; |
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578 |
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579 std::string input_buf = interactive_input (prompt_string, eof); |
6979 | 580 |
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581 if (input_buf == "yes") |
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582 return true; |
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583 else if (input_buf == "no") |
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584 return false; |
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585 else |
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586 message (nullptr, "Please answer yes or no."); |
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587 } |
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588 } |
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589 |
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590 std::string input_system::interactive_input (const std::string& s, bool& eof) |
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591 { |
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592 Vlast_prompt_time.stamp (); |
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593 |
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594 if (Vdrawnow_requested && octave::application::interactive ()) |
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595 { |
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596 bool eval_error = false; |
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598 try |
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599 { |
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600 Fdrawnow (); |
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601 } |
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602 catch (const octave::execution_exception& e) |
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603 { |
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604 eval_error = true; |
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605 |
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606 std::string stack_trace = e.info (); |
269 | 607 |
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608 if (! stack_trace.empty ()) |
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609 std::cerr << stack_trace; |
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610 |
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611 if (octave::application::interactive ()) |
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612 octave::interpreter::recover_from_exception (); |
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613 } |
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614 |
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615 octave::flush_stdout (); |
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616 |
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617 // We set Vdrawnow_requested to false even if there is an error in |
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618 // drawnow so that the error doesn't reappear at every prompt. |
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619 |
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620 Vdrawnow_requested = false; |
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621 |
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622 if (eval_error) |
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623 return "\n"; |
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624 } |
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625 |
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626 return gnu_readline (s, eof); |
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627 } |
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628 |
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629 // If the user simply hits return, this will produce an empty matrix. |
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631 octave_value_list |
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632 input_system::get_user_input (const octave_value_list& args, int nargout) |
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633 { |
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634 octave_value_list retval; |
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635 |
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636 int read_as_string = 0; |
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637 |
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638 if (args.length () == 2) |
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639 read_as_string++; |
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640 |
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641 std::string prompt = args(0).xstring_value ("input: unrecognized argument"); |
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642 |
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643 output_system& output_sys = __get_output_system__ ("do_sync"); |
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644 |
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645 output_sys.reset (); |
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646 |
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647 octave_diary << prompt; |
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648 |
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649 bool eof = false; |
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650 |
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651 std::string input_buf = interactive_input (prompt.c_str (), eof); |
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652 |
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653 if (input_buf.empty ()) |
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654 error ("input: reading user-input failed!"); |
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655 |
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656 size_t len = input_buf.length (); |
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657 |
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658 octave_diary << input_buf; |
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659 |
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660 if (input_buf[len - 1] != '\n') |
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661 octave_diary << "\n"; |
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662 |
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663 if (len < 1) |
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664 return read_as_string ? octave_value ("") : octave_value (Matrix ()); |
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665 |
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666 if (read_as_string) |
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667 { |
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668 // FIXME: fix gnu_readline and octave_gets instead! |
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669 if (input_buf.length () == 1 && input_buf[0] == '\n') |
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670 retval(0) = ""; |
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671 else |
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672 retval(0) = input_buf; |
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673 } |
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674 else |
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675 { |
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676 int parse_status = 0; |
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677 |
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678 retval |
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679 = m_interpreter.eval_string (input_buf, true, parse_status, nargout); |
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680 |
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681 if (! Vdebugging && retval.empty ()) |
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682 retval(0) = Matrix (); |
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683 } |
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684 |
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685 return retval; |
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686 } |
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687 |
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688 octave_value input_system::keyboard (const octave_value_list& args) |
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689 { |
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690 octave_value retval; |
6305 | 691 |
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692 int nargin = args.length (); |
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693 |
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694 assert (nargin == 0 || nargin == 1); |
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695 |
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696 octave::unwind_protect frame; |
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697 |
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698 frame.add_fcn (octave::command_history::ignore_entries, |
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699 octave::command_history::ignoring_entries ()); |
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700 |
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701 octave::command_history::ignore_entries (false); |
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702 |
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703 frame.protect_var (Vdebugging); |
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704 |
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705 octave::call_stack& cs = m_interpreter.get_call_stack (); |
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706 |
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707 frame.add_method (cs, &octave::call_stack::restore_frame, |
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708 cs.current_frame ()); |
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709 |
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710 // FIXME: probably we just want to print one line, not the |
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711 // entire statement, which might span many lines... |
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712 // |
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713 // tree_print_code tpc (octave_stdout); |
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714 // stmt.accept (tpc); |
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715 |
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716 Vdebugging = true; |
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717 Vtrack_line_num = false; |
3180 | 718 |
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719 std::string prompt = "debug> "; |
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720 if (nargin > 0) |
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721 prompt = args(0).string_value (); |
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722 |
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723 get_debug_input (prompt); |
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724 |
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725 return retval; |
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726 } |
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727 |
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728 bool input_system::have_input_event_hooks (void) const |
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729 { |
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730 return ! m_input_event_hook_functions.empty (); |
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731 } |
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732 |
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733 void input_system::add_input_event_hook (const hook_function& hook_fcn) |
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734 { |
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735 m_input_event_hook_functions.insert (hook_fcn.id (), hook_fcn); |
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736 } |
7787
6b521b1e3631
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737 |
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738 bool input_system::remove_input_event_hook (const std::string& hook_fcn_id) |
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739 { |
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740 hook_function_list::iterator p |
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741 = m_input_event_hook_functions.find (hook_fcn_id); |
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742 |
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743 if (p == m_input_event_hook_functions.end ()) |
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744 return false; |
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745 |
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746 m_input_event_hook_functions.erase (p); |
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747 return true; |
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748 } |
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749 |
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750 void input_system::clear_input_event_hooks (void) |
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751 { |
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752 m_input_event_hook_functions.clear (); |
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753 } |
269 | 754 |
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755 void input_system::run_input_event_hooks (void) |
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756 { |
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757 m_input_event_hook_functions.run (); |
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758 } |
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759 |
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760 std::string |
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761 input_system::gnu_readline (const std::string& s, bool& eof) const |
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762 { |
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763 octave_quit (); |
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764 |
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765 eof = false; |
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766 |
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767 std::string retval = octave::command_editor::readline (s, eof); |
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768 |
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769 if (! eof && retval.empty ()) |
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770 retval = "\n"; |
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771 |
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772 return retval; |
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773 } |
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774 |
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775 static void |
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776 execute_in_debugger_handler (const std::pair<std::string, int>& arg) |
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777 { |
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778 octave_link::execute_in_debugger_event (arg.first, arg.second); |
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779 } |
1 | 780 |
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781 void input_system::get_debug_input (const std::string& prompt) |
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782 { |
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783 octave::unwind_protect frame; |
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784 |
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785 octave::tree_evaluator& tw = m_interpreter.get_evaluator (); |
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786 |
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787 bool silent = tw.quiet_breakpoint_flag (false); |
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788 |
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789 octave::call_stack& cs = m_interpreter.get_call_stack (); |
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790 |
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791 octave_user_code *caller = cs.caller_user_code (); |
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792 std::string nm; |
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793 int curr_debug_line; |
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794 |
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795 if (caller) |
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796 { |
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797 nm = caller->fcn_file_name (); |
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798 |
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799 if (nm.empty ()) |
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800 nm = caller->name (); |
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fc491da603f6
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801 |
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802 curr_debug_line = cs.caller_user_code_line (); |
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803 } |
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804 else |
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805 curr_debug_line = cs.current_line (); |
6257 | 806 |
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807 std::ostringstream buf; |
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808 |
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809 if (! nm.empty ()) |
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810 { |
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811 if (m_gud_mode) |
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812 { |
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|
813 static char ctrl_z = 'Z' & 0x1f; |
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814 |
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815 buf << ctrl_z << ctrl_z << nm << ':' << curr_debug_line; |
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816 } |
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817 else |
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818 { |
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819 // FIXME: we should come up with a clean way to detect |
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820 // that we are stopped on the no-op command that marks the |
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821 // end of a function or script. |
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822 |
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823 if (! silent) |
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824 { |
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825 buf << "stopped in " << nm; |
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826 |
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827 if (curr_debug_line > 0) |
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828 buf << " at line " << curr_debug_line; |
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829 } |
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|
830 |
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831 octave_link::enter_debugger_event (nm, curr_debug_line); |
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832 |
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833 octave_link::set_workspace (); |
23728
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834 |
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835 frame.add_fcn (execute_in_debugger_handler, |
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836 std::pair<std::string, int> (nm, curr_debug_line)); |
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837 |
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838 if (! silent) |
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839 { |
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840 std::string line_buf; |
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|
841 |
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changeset
|
842 if (caller) |
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|
843 line_buf = caller->get_code_line (curr_debug_line); |
8658
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New evaluator and debugger derived from tree-walker class
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parents:
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diff
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844 |
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845 if (! line_buf.empty ()) |
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new input_system class to manage user input for the interpreter
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846 buf << "\n" << curr_debug_line << ": " << line_buf; |
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|
847 } |
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|
848 } |
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|
849 } |
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850 |
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851 if (silent) |
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852 octave::command_editor::erase_empty_line (true); |
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|
853 |
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854 std::string msg = buf.str (); |
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|
855 |
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|
856 if (! msg.empty ()) |
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857 std::cerr << msg << std::endl; |
3180 | 858 |
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859 frame.add_method (*this, &octave::input_system::set_PS1, m_PS1); |
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|
860 m_PS1 = prompt; |
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|
861 |
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|
862 // FIXME: should debugging be possible in an embedded interpreter? |
6257 | 863 |
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864 octave::application *app = octave::application::app (); |
19595
be7ac98fab43
strip trailing whitespace from most source files
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|
865 |
25407
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866 if (! app->interactive ()) |
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867 { |
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|
868 |
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changeset
|
869 frame.add_method (app, &octave::application::interactive, |
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870 app->interactive ()); |
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871 |
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872 frame.add_method (app, &octave::application::forced_interactive, |
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changeset
|
873 app->forced_interactive ()); |
7787
6b521b1e3631
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David Bateman <dbateman@free.fr>
parents:
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|
874 |
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875 app->interactive (true); |
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|
876 |
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877 app->forced_interactive (true); |
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|
878 } |
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|
879 |
25441
143007dad864
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diff
changeset
|
880 octave::parser curr_parser (m_interpreter); |
7787
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|
881 |
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882 while (Vdebugging) |
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883 { |
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|
884 try |
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|
885 { |
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|
886 Vtrack_line_num = false; |
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changeset
|
887 |
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diff
changeset
|
888 reset_error_handler (); |
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|
889 |
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diff
changeset
|
890 curr_parser.reset (); |
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|
891 |
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changeset
|
892 int retval = curr_parser.run (); |
7787
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Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input
David Bateman <dbateman@free.fr>
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|
893 |
25407
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new input_system class to manage user input for the interpreter
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changeset
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894 if (octave::command_editor::interrupt (false)) |
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|
895 break; |
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diff
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|
896 else |
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|
897 { |
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|
898 if (retval == 0 && curr_parser.m_stmt_list) |
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|
899 { |
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|
900 curr_parser.m_stmt_list->accept (tw); |
23111
252975fdc444
more refactoring of interpreter and application classes
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parents:
23110
diff
changeset
|
901 |
25407
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|
902 if (octave_completion_matches_called) |
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diff
changeset
|
903 octave_completion_matches_called = false; |
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|
904 } |
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|
905 |
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John W. Eaton <jwe@octave.org>
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|
906 octave_quit (); |
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|
907 } |
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|
908 } |
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|
909 catch (const octave::execution_exception& e) |
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|
910 { |
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diff
changeset
|
911 std::string stack_trace = e.info (); |
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diff
changeset
|
912 |
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diff
changeset
|
913 if (! stack_trace.empty ()) |
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diff
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|
914 std::cerr << stack_trace; |
22089
c2c668b3051b
use classes for octave application and interpreter
John W. Eaton <jwe@octave.org>
parents:
22051
diff
changeset
|
915 |
25407
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diff
changeset
|
916 // Ignore errors when in debugging mode; |
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diff
changeset
|
917 octave::interpreter::recover_from_exception (); |
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diff
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|
918 } |
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|
919 } |
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diff
changeset
|
920 } |
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parents:
25402
diff
changeset
|
921 |
24732
f079a0856321
move internal input reader classes out of header file
John W. Eaton <jwe@octave.org>
parents:
24597
diff
changeset
|
922 std::string base_reader::octave_gets (bool& eof) |
23061
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move input reader classes into octave namespace
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diff
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|
923 { |
aedc662896a3
move input reader classes into octave namespace
John W. Eaton <jwe@octave.org>
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diff
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|
924 octave_quit (); |
5142 | 925 |
23061
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
926 eof = false; |
16097
2f4fa62089b3
improve end of file handling for lexer input
John W. Eaton <jwe@octave.org>
parents:
16053
diff
changeset
|
927 |
23061
aedc662896a3
move input reader classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
928 std::string retval; |
1 | 929 |
23061
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move input reader classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
930 // Process pre input event hook function prior to flushing output and |
aedc662896a3
move input reader classes into octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
931 // printing the prompt. |
16349
610617eb84d1
provide pre- and post-input hook functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
932 |
23696
08036a7f3660
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
933 if (application::interactive ()) |
23061
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John W. Eaton <jwe@octave.org>
parents:
23060
diff
changeset
|
934 { |
aedc662896a3
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parents:
23060
diff
changeset
|
935 if (! Vdebugging) |
aedc662896a3
move input reader classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
936 octave_link::exit_debugger_event (); |
16438
a971d8bdaadc
use signals instead of event queue for entering/leaving debug mode
John W. Eaton <jwe@octave.org>
parents:
16433
diff
changeset
|
937 |
23061
aedc662896a3
move input reader classes into octave namespace
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
938 octave_link::pre_input_event (); |
16468
0f143f68078d
use signal/slot for updating workspace instead of using event listener
John W. Eaton <jwe@octave.org>
parents:
16438
diff
changeset
|
939 |
23061
aedc662896a3
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parents:
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diff
changeset
|
940 octave_link::set_workspace (); |
aedc662896a3
move input reader classes into octave namespace
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parents:
23060
diff
changeset
|
941 } |
16349
610617eb84d1
provide pre- and post-input hook functions
John W. Eaton <jwe@octave.org>
parents:
16347
diff
changeset
|
942 |
23061
aedc662896a3
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John W. Eaton <jwe@octave.org>
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23060
diff
changeset
|
943 bool history_skip_auto_repeated_debugging_command = false; |
8841
c74389115610
auto repeat for debugging commands
John W. Eaton <jwe@octave.org>
parents:
8749
diff
changeset
|
944 |
25407
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|
945 input_system& input_sys = __get_input_system__ ("base_reader::octave_gets"); |
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diff
changeset
|
946 |
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parents:
25402
diff
changeset
|
947 std::string ps = (m_pflag > 0) ? input_sys.PS1 () : input_sys.PS2 (); |
16198
2c5c538be353
clean up input.cc and eliminate ff_instream global variable
John W. Eaton <jwe@octave.org>
parents:
16195
diff
changeset
|
948 |
23696
08036a7f3660
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
949 std::string prompt = command_editor::decode_prompt_string (ps); |
16198
2c5c538be353
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John W. Eaton <jwe@octave.org>
parents:
16195
diff
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|
950 |
23696
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
951 pipe_handler_error_count = 0; |
16198
2c5c538be353
clean up input.cc and eliminate ff_instream global variable
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
952 |
25435
a52e6fb674b1
eliminate some singletons and static & global variables
John W. Eaton <jwe@octave.org>
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25407
diff
changeset
|
953 output_system& output_sys = __get_output_system__ ("do_sync"); |
1755 | 954 |
25435
a52e6fb674b1
eliminate some singletons and static & global variables
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
955 output_sys.reset (); |
2618 | 956 |
23061
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diff
changeset
|
957 octave_diary << prompt; |
1 | 958 |
25407
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diff
changeset
|
959 retval = input_sys.interactive_input (prompt, eof); |
581 | 960 |
23061
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
961 // There is no need to update the load_path cache if there is no |
aedc662896a3
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
962 // user input. |
aedc662896a3
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diff
changeset
|
963 if (retval != "\n" |
aedc662896a3
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
964 && retval.find_first_not_of (" \t\n\r") != std::string::npos) |
aedc662896a3
move input reader classes into octave namespace
John W. Eaton <jwe@octave.org>
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diff
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|
965 { |
23696
08036a7f3660
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John W. Eaton <jwe@octave.org>
parents:
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diff
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|
966 load_path& lp = __get_load_path__ ("base_reader::octave_gets"); |
23438
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eliminate load-path singleton
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diff
changeset
|
967 |
d24d01273bd0
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
968 lp.update (); |
8841
c74389115610
auto repeat for debugging commands
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parents:
8749
diff
changeset
|
969 |
23061
aedc662896a3
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diff
changeset
|
970 if (Vdebugging) |
25407
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new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
971 input_sys.last_debugging_command (retval); |
23061
aedc662896a3
move input reader classes into octave namespace
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diff
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|
972 else |
25407
ab10403a0b50
new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
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diff
changeset
|
973 input_sys.last_debugging_command ("\n"); |
23061
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diff
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|
974 } |
aedc662896a3
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changeset
|
975 else if (Vdebugging) |
aedc662896a3
move input reader classes into octave namespace
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diff
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|
976 { |
25407
ab10403a0b50
new input_system class to manage user input for the interpreter
John W. Eaton <jwe@octave.org>
parents:
25402
diff
changeset
|
977 retval = input_sys.last_debugging_command (); |
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diff
changeset
|
978 history_skip_auto_repeated_debugging_command = true; |
aedc662896a3
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changeset
|
979 } |
1 | 980 |
23061
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move input reader classes into octave namespace
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diff
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|
981 if (retval != "\n") |
aedc662896a3
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diff
changeset
|
982 { |
aedc662896a3
move input reader classes into octave namespace
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diff
changeset
|
983 if (! history_skip_auto_repeated_debugging_command) |
aedc662896a3
move input reader classes into octave namespace
John W. Eaton <jwe@octave.org>
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|
984 { |
23696
08036a7f3660
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
985 if (command_history::add (retval)) |
23061
aedc662896a3
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|
986 octave_link::append_history (retval); |
aedc662896a3
move input reader classes into octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
987 } |
1 | 988 |
23061
aedc662896a3
move input reader classes into octave namespace
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23060
diff
changeset
|
989 octave_diary << retval; |
3176 | 990 |
26061
cb3ead3cf859
avoid assertion failure with -D_GLIBCXX_ASSERTIONS
Orion Poplawski <orion@cora.nwra.com>
parents:
25054
diff
changeset
|
991 if (! retval.empty () && retval.back () != '\n') |
23061
aedc662896a3
move input reader classes into octave namespace
John W. Eaton <jwe@octave.org>
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diff
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|
992 octave_diary << "\n"; |
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move input reader classes into octave namespace
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diff
changeset
|
993 } |
aedc662896a3
move input reader classes into octave namespace
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diff
changeset
|
994 else |
aedc662896a3
move input reader classes into octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
995 octave_diary << "\n"; |
581 | 996 |
23061
aedc662896a3
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|
997 // Process post input event hook function after the internal history |
aedc662896a3
move input reader classes into octave namespace
John W. Eaton <jwe@octave.org>
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diff
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|
998 // list has been updated. |
9476 | 999 |
23696
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remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1000 if (application::interactive ()) |
23061
aedc662896a3
move input reader classes into octave namespace
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diff
changeset
|
1001 octave_link::post_input_event (); |
16349
610617eb84d1
provide pre- and post-input hook functions
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parents:
16347
diff
changeset
|
1002 |
23061
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diff
changeset
|
1003 return retval; |
aedc662896a3
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John W. Eaton <jwe@octave.org>
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diff
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|
1004 } |
1 | 1005 |
24732
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|
1006 bool base_reader::reading_fcn_file (void) const |
23061
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|
1007 { |
24833
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diff
changeset
|
1008 return m_lexer ? m_lexer->m_reading_fcn_file : false; |
23061
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diff
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|
1009 } |
17731
f79bf671a493
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parents:
17323
diff
changeset
|
1010 |
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|
1011 bool base_reader::reading_classdef_file (void) const |
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|
1012 { |
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changeset
|
1013 return m_lexer ? m_lexer->m_reading_classdef_file : false; |
23061
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diff
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|
1014 } |
17731
f79bf671a493
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diff
changeset
|
1015 |
24732
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diff
changeset
|
1016 bool base_reader::reading_script_file (void) const |
23061
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diff
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|
1017 { |
24833
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diff
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|
1018 return m_lexer ? m_lexer->m_reading_script_file : false; |
23061
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diff
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|
1019 } |
24732
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diff
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|
1020 |
f079a0856321
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|
1021 class |
f079a0856321
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|
1022 terminal_reader : public base_reader |
f079a0856321
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diff
changeset
|
1023 { |
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24597
diff
changeset
|
1024 public: |
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diff
changeset
|
1025 |
f079a0856321
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24597
diff
changeset
|
1026 terminal_reader (base_lexer *lxr = nullptr) |
f079a0856321
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diff
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|
1027 : base_reader (lxr) |
f079a0856321
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24597
diff
changeset
|
1028 { } |
f079a0856321
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24597
diff
changeset
|
1029 |
f079a0856321
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diff
changeset
|
1030 std::string get_input (bool& eof); |
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|
1031 |
24833
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24732
diff
changeset
|
1032 std::string input_source (void) const { return s_in_src; } |
24732
f079a0856321
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diff
changeset
|
1033 |
f079a0856321
move internal input reader classes out of header file
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parents:
24597
diff
changeset
|
1034 bool input_from_terminal (void) const { return true; } |
f079a0856321
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diff
changeset
|
1035 |
f079a0856321
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24597
diff
changeset
|
1036 private: |
f079a0856321
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diff
changeset
|
1037 |
24833
7c88cf242111
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24732
diff
changeset
|
1038 static const std::string s_in_src; |
24732
f079a0856321
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24597
diff
changeset
|
1039 }; |
f079a0856321
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24597
diff
changeset
|
1040 |
f079a0856321
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24597
diff
changeset
|
1041 class |
f079a0856321
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24597
diff
changeset
|
1042 file_reader : public base_reader |
f079a0856321
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diff
changeset
|
1043 { |
f079a0856321
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diff
changeset
|
1044 public: |
f079a0856321
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diff
changeset
|
1045 |
f079a0856321
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24597
diff
changeset
|
1046 file_reader (FILE *f_arg, base_lexer *lxr = nullptr) |
24833
7c88cf242111
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diff
changeset
|
1047 : base_reader (lxr), m_file (f_arg) { } |
24732
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diff
changeset
|
1048 |
f079a0856321
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diff
changeset
|
1049 std::string get_input (bool& eof); |
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diff
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|
1050 |
24833
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diff
changeset
|
1051 std::string input_source (void) const { return s_in_src; } |
24732
f079a0856321
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diff
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|
1052 |
f079a0856321
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diff
changeset
|
1053 bool input_from_file (void) const { return true; } |
f079a0856321
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diff
changeset
|
1054 |
f079a0856321
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diff
changeset
|
1055 private: |
f079a0856321
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|
1056 |
24833
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diff
changeset
|
1057 FILE *m_file; |
24732
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|
1058 |
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diff
changeset
|
1059 static const std::string s_in_src; |
24732
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|
1060 }; |
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changeset
|
1061 |
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diff
changeset
|
1062 class |
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diff
changeset
|
1063 eval_string_reader : public base_reader |
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diff
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|
1064 { |
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diff
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|
1065 public: |
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|
1066 |
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diff
changeset
|
1067 eval_string_reader (const std::string& str, base_lexer *lxr = nullptr) |
24833
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diff
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|
1068 : base_reader (lxr), m_eval_string (str) |
24732
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|
1069 { } |
f079a0856321
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changeset
|
1070 |
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changeset
|
1071 std::string get_input (bool& eof); |
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|
1072 |
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|
1073 std::string input_source (void) const { return s_in_src; } |
24732
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|
1074 |
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changeset
|
1075 bool input_from_eval_string (void) const { return true; } |
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|
1076 |
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|
1077 private: |
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|
1078 |
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|
1079 std::string m_eval_string; |
24732
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|
1080 |
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changeset
|
1081 static const std::string s_in_src; |
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|
1082 }; |
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changeset
|
1083 |
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changeset
|
1084 input_reader::input_reader (base_lexer *lxr) |
24833
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|
1085 : m_rep (new terminal_reader (lxr)) |
24732
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diff
changeset
|
1086 { } |
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changeset
|
1087 |
f079a0856321
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diff
changeset
|
1088 input_reader::input_reader (FILE *file, base_lexer *lxr) |
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|
1089 : m_rep (new file_reader (file, lxr)) |
24732
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|
1090 { } |
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changeset
|
1091 |
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1092 input_reader::input_reader (const std::string& str, base_lexer *lxr) |
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1093 : m_rep (new eval_string_reader (str, lxr)) |
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1094 { } |
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1095 |
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1096 const std::string base_reader::s_in_src ("invalid"); |
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1097 |
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1098 const std::string terminal_reader::s_in_src ("terminal"); |
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1099 |
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1100 std::string |
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1101 terminal_reader::get_input (bool& eof) |
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1102 { |
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1103 octave_quit (); |
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1104 |
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1105 eof = false; |
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1106 |
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1107 return octave_gets (eof); |
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1108 } |
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1109 |
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1110 const std::string file_reader::s_in_src ("file"); |
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1111 |
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1112 std::string |
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1113 file_reader::get_input (bool& eof) |
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1114 { |
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1115 octave_quit (); |
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1116 |
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1117 eof = false; |
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1118 |
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1119 std::string src_str = octave_fgets (m_file, eof); |
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1120 |
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1121 octave::input_system& input_sys |
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1122 = octave::__get_input_system__ ("get_input"); |
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1123 |
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1124 std::string mfile_encoding = input_sys.mfile_encoding (); |
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1125 |
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1126 std::string encoding |
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1127 = (mfile_encoding.compare ("system") == 0 |
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1128 ? octave_locale_charset_wrapper () : mfile_encoding); |
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1129 |
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1130 if (encoding.compare ("utf-8") == 0) |
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1131 { |
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1132 // Check for BOM and strip it |
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1133 if (src_str.compare (0, 3, "\xef\xbb\xbf") == 0) |
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1134 src_str.erase (0, 3); |
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1135 } |
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1136 else |
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1137 { |
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1138 // convert encoding to UTF-8 before returning string |
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1139 const char *src = src_str.c_str (); |
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1140 size_t srclen = src_str.length (); |
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1141 |
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1142 size_t length; |
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1143 uint8_t *utf8_str = nullptr; |
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1144 |
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1145 utf8_str = octave_u8_conv_from_encoding (encoding.c_str (), src, srclen, |
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1146 &length); |
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1147 |
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1148 if (! utf8_str) |
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1149 error ("file_reader::get_input: converting from codepage '%s' to UTF-8: %s", |
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1150 encoding.c_str (), std::strerror (errno)); |
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1151 |
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1152 octave::unwind_protect frame; |
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1153 frame.add_fcn (::free, static_cast<void *> (utf8_str)); |
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1154 |
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1155 src_str = std::string (reinterpret_cast<char *> (utf8_str), length); |
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1156 } |
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1157 |
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1158 return src_str; |
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1159 } |
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1160 |
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1161 const std::string eval_string_reader::s_in_src ("eval_string"); |
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1162 |
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1163 std::string |
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1164 eval_string_reader::get_input (bool& eof) |
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1165 { |
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1166 octave_quit (); |
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1167 |
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1168 eof = false; |
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1169 |
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1170 std::string retval; |
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1171 |
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1172 retval = m_eval_string; |
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1173 |
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1174 // Clear the eval string so that the next call will return |
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1175 // an empty character string with EOF = true. |
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1176 m_eval_string = ""; |
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1177 |
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1178 if (retval.empty ()) |
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1179 eof = true; |
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1180 |
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1181 return retval; |
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1182 } |
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1183 } |
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1184 |
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1185 DEFMETHOD (input, interp, args, nargout, |
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1186 doc: /* -*- texinfo -*- |
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1187 @deftypefn {} {@var{ans} =} input (@var{prompt}) |
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1188 @deftypefnx {} {@var{ans} =} input (@var{prompt}, "s") |
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1189 Print @var{prompt} and wait for user input. |
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1190 |
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1191 For example, |
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1192 |
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1193 @example |
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1194 input ("Pick a number, any number! ") |
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1195 @end example |
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1196 |
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1197 @noindent |
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1198 prints the prompt |
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1199 |
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1200 @example |
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1201 Pick a number, any number! |
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1202 @end example |
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1203 |
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1204 @noindent |
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1205 and waits for the user to enter a value. The string entered by the user |
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1206 is evaluated as an expression, so it may be a literal constant, a variable |
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1207 name, or any other valid Octave code. |
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1208 |
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1209 The number of return arguments, their size, and their class depend on the |
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1210 expression entered. |
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1211 |
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1212 If you are only interested in getting a literal string value, you can call |
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1213 @code{input} with the character string @qcode{"s"} as the second argument. |
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1214 This tells Octave to return the string entered by the user directly, without |
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1215 evaluating it first. |
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1216 |
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1217 Because there may be output waiting to be displayed by the pager, it is a |
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1218 good idea to always call @code{fflush (stdout)} before calling @code{input}. |
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1219 This will ensure that all pending output is written to the screen before |
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1220 your prompt. |
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1221 @seealso{yes_or_no, kbhit, pause, menu, listdlg} |
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1222 @end deftypefn */) |
529 | 1223 { |
1224 int nargin = args.length (); | |
1225 | |
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1226 if (nargin < 1 || nargin > 2) |
5823 | 1227 print_usage (); |
529 | 1228 |
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1229 octave::input_system& input_sys = interp.get_input_system (); |
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1230 |
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1231 return input_sys.get_user_input (args, std::max (nargout, 1)); |
529 | 1232 } |
1233 | |
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1234 DEFMETHOD (yes_or_no, interp, args, , |
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1235 doc: /* -*- texinfo -*- |
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1236 @deftypefn {} {@var{ans} =} yes_or_no ("@var{prompt}") |
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1237 Ask the user a yes-or-no question. |
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1238 |
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1239 Return logical true if the answer is yes or false if the answer is no. |
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1240 |
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1241 Takes one argument, @var{prompt}, which is the string to display when asking |
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1242 the question. @var{prompt} should end in a space; @code{yes-or-no} adds the |
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1243 string @samp{(yes or no) } to it. The user must confirm the answer with |
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1244 @key{RET} and can edit it until it has been confirmed. |
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1245 @seealso{input} |
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1246 @end deftypefn */) |
5640 | 1247 { |
1248 int nargin = args.length (); | |
1249 | |
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1250 if (nargin > 1) |
5823 | 1251 print_usage (); |
5640 | 1252 |
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1253 octave::input_system& input_sys = interp.get_input_system (); |
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1254 |
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1255 std::string prompt; |
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1256 |
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1257 if (nargin == 1) |
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1258 prompt = args(0).xstring_value ("yes_or_no: PROMPT must be a string"); |
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1259 |
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1260 return ovl (input_sys.yes_or_no (prompt)); |
23728
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1261 } |
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1262 |
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1263 DEFMETHOD (keyboard, interp, args, , |
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1264 doc: /* -*- texinfo -*- |
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1265 @deftypefn {} {} keyboard () |
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1266 @deftypefnx {} {} keyboard ("@var{prompt}") |
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1267 Stop m-file execution and enter debug mode. |
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1268 |
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1269 When the @code{keyboard} function is executed, Octave prints a prompt and |
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1270 waits for user input. The input strings are then evaluated and the results |
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1271 are printed. This makes it possible to examine the values of variables |
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1272 within a function, and to assign new values if necessary. To leave the |
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1273 prompt and return to normal execution type @samp{return} or @samp{dbcont}. |
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1274 The @code{keyboard} function does not return an exit status. |
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1275 |
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1276 If @code{keyboard} is invoked without arguments, a default prompt of |
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1277 @samp{debug> } is used. |
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1278 @seealso{dbstop, dbcont, dbquit} |
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1279 @end deftypefn */) |
529 | 1280 { |
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1281 if (args.length () > 1) |
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1282 print_usage (); |
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1283 |
21743
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1284 octave::unwind_protect frame; |
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1285 |
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1286 octave::call_stack& cs = interp.get_call_stack (); |
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1287 |
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1288 frame.add_method (cs, &octave::call_stack::restore_frame, |
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1289 cs.current_frame ()); |
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1290 |
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1291 // Skip the frame assigned to the keyboard function. |
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1292 cs.goto_frame_relative (0); |
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1293 |
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1294 octave::tree_evaluator& tw = interp.get_evaluator (); |
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1295 |
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1296 tw.debug_mode (true); |
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1297 tw.quiet_breakpoint_flag (false); |
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1298 tw.current_frame (cs.current_frame ()); |
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1299 |
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1300 octave::input_system& input_sys = interp.get_input_system (); |
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1301 |
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1302 input_sys.keyboard (args); |
529 | 1303 |
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1304 return ovl (); |
529 | 1305 } |
1306 | |
2234 | 1307 DEFUN (completion_matches, args, nargout, |
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1308 doc: /* -*- texinfo -*- |
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1309 @deftypefn {} {} completion_matches (@var{hint}) |
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1310 Generate possible completions given @var{hint}. |
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1311 |
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1312 This function is provided for the benefit of programs like Emacs which |
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1313 might be controlling Octave and handling user input. The current |
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1314 command number is not incremented when this function is called. This is |
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1315 a feature, not a bug. |
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1316 @end deftypefn */) |
2234 | 1317 { |
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1318 if (args.length () != 1) |
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1319 print_usage (); |
2234 | 1320 |
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1321 octave_value retval; |
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1322 |
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1323 std::string hint = args(0).string_value (); |
2234 | 1324 |
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1325 int n = 32; |
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1326 |
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1327 string_vector list (n); |
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1328 |
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1329 int k = 0; |
2234 | 1330 |
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1331 for (;;) |
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1332 { |
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1333 std::string cmd = generate_completion (hint, k); |
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1334 |
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1335 if (! cmd.empty ()) |
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1336 { |
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changeset
|
1337 if (k == n) |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
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10186
diff
changeset
|
1338 { |
20801
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eliminate return statements after calls to print_usage
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|
1339 n *= 2; |
a542a9bf177e
eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1340 list.resize (n); |
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10186
diff
changeset
|
1341 } |
2234 | 1342 |
20801
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eliminate return statements after calls to print_usage
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diff
changeset
|
1343 list[k++] = cmd; |
20555
f90c8372b7ba
eliminate many more simple uses of error_state
John W. Eaton <jwe@octave.org>
parents:
20239
diff
changeset
|
1344 } |
f90c8372b7ba
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20239
diff
changeset
|
1345 else |
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eliminate many more simple uses of error_state
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diff
changeset
|
1346 { |
20801
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eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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|
1347 list.resize (k); |
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changeset
|
1348 break; |
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diff
changeset
|
1349 } |
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diff
changeset
|
1350 } |
20555
f90c8372b7ba
eliminate many more simple uses of error_state
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diff
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|
1351 |
20801
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eliminate return statements after calls to print_usage
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|
1352 if (nargout > 0) |
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diff
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|
1353 { |
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|
1354 if (! list.empty ()) |
a542a9bf177e
eliminate return statements after calls to print_usage
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diff
changeset
|
1355 retval = list; |
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|
1356 else |
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|
1357 retval = ""; |
2234 | 1358 } |
1359 else | |
20801
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|
1360 { |
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diff
changeset
|
1361 // We don't use string_vector::list_in_columns here |
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diff
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|
1362 // because it will be easier for Emacs if the names |
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|
1363 // appear in a single column. |
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diff
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|
1364 |
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|
1365 int len = list.numel (); |
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diff
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|
1366 |
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changeset
|
1367 for (int i = 0; i < len; i++) |
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eliminate return statements after calls to print_usage
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|
1368 octave_stdout << list[i] << "\n"; |
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diff
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|
1369 } |
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|
1370 |
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changeset
|
1371 octave_completion_matches_called = true; |
2234 | 1372 |
1373 return retval; | |
1374 } | |
1375 | |
20239
48284e32530b
test: Add tests for 'echo' and 'completion_matches' builtins
Mike Miller <mtmiller@octave.org>
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20232
diff
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|
1376 /* |
48284e32530b
test: Add tests for 'echo' and 'completion_matches' builtins
Mike Miller <mtmiller@octave.org>
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20232
diff
changeset
|
1377 %!assert (ischar (completion_matches (""))) |
48284e32530b
test: Add tests for 'echo' and 'completion_matches' builtins
Mike Miller <mtmiller@octave.org>
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diff
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|
1378 %!assert (ischar (completion_matches ("a"))) |
48284e32530b
test: Add tests for 'echo' and 'completion_matches' builtins
Mike Miller <mtmiller@octave.org>
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diff
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|
1379 %!assert (ischar (completion_matches (" "))) |
48284e32530b
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Mike Miller <mtmiller@octave.org>
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diff
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|
1380 %!assert (isempty (completion_matches (" "))) |
48284e32530b
test: Add tests for 'echo' and 'completion_matches' builtins
Mike Miller <mtmiller@octave.org>
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diff
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|
1381 %!assert (any (strcmp ("abs", deblank (cellstr (completion_matches ("")))))) |
48284e32530b
test: Add tests for 'echo' and 'completion_matches' builtins
Mike Miller <mtmiller@octave.org>
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diff
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|
1382 %!assert (any (strcmp ("abs", deblank (cellstr (completion_matches ("a")))))) |
48284e32530b
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Mike Miller <mtmiller@octave.org>
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diff
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|
1383 %!assert (any (strcmp ("abs", deblank (cellstr (completion_matches ("ab")))))) |
48284e32530b
test: Add tests for 'echo' and 'completion_matches' builtins
Mike Miller <mtmiller@octave.org>
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diff
changeset
|
1384 %!assert (any (strcmp ("abs", deblank (cellstr (completion_matches ("abs")))))) |
48284e32530b
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Mike Miller <mtmiller@octave.org>
parents:
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diff
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|
1385 %!assert (! any (strcmp ("abs", deblank (cellstr (completion_matches ("absa")))))) |
48284e32530b
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diff
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|
1386 |
48284e32530b
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20232
diff
changeset
|
1387 %!error completion_matches () |
48284e32530b
test: Add tests for 'echo' and 'completion_matches' builtins
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diff
changeset
|
1388 %!error completion_matches (1, 2) |
48284e32530b
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diff
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|
1389 */ |
48284e32530b
test: Add tests for 'echo' and 'completion_matches' builtins
Mike Miller <mtmiller@octave.org>
parents:
20232
diff
changeset
|
1390 |
16879
cc3743a91652
Rename read_readline_init_file to readline_read_init_file.
Rik <rik@octave.org>
parents:
16816
diff
changeset
|
1391 DEFUN (readline_read_init_file, args, , |
21966
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move docstrings in C++ files out of C strings and into comments
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|
1392 doc: /* -*- texinfo -*- |
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move docstrings in C++ files out of C strings and into comments
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|
1393 @deftypefn {} {} readline_read_init_file (@var{file}) |
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move docstrings in C++ files out of C strings and into comments
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|
1394 Read the readline library initialization file @var{file}. |
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|
1395 |
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diff
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|
1396 If @var{file} is omitted, read the default initialization file |
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move docstrings in C++ files out of C strings and into comments
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|
1397 (normally @file{~/.inputrc}). |
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|
1398 |
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move docstrings in C++ files out of C strings and into comments
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diff
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|
1399 @xref{Readline Init File, , , readline, GNU Readline Library}, |
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move docstrings in C++ files out of C strings and into comments
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|
1400 for details. |
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move docstrings in C++ files out of C strings and into comments
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|
1401 @seealso{readline_re_read_init_file} |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1402 @end deftypefn */) |
3189 | 1403 { |
1404 int nargin = args.length (); | |
1405 | |
20801
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|
1406 if (nargin > 1) |
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diff
changeset
|
1407 print_usage (); |
a542a9bf177e
eliminate return statements after calls to print_usage
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diff
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|
1408 |
3189 | 1409 if (nargin == 0) |
21748
176536b15d68
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John W. Eaton <jwe@octave.org>
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21743
diff
changeset
|
1410 octave::command_editor::read_init_file (); |
20801
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diff
changeset
|
1411 else |
3189 | 1412 { |
5872 | 1413 std::string file = args(0).string_value (); |
3189 | 1414 |
21748
176536b15d68
use namespace for command_editor and command_history classes
John W. Eaton <jwe@octave.org>
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21743
diff
changeset
|
1415 octave::command_editor::read_init_file (file); |
3189 | 1416 } |
1417 | |
20941
a4f5da7c5463
maint: Replace "octave_value_list ()" with "ovl ()".
Rik <rik@octave.org>
parents:
20940
diff
changeset
|
1418 return ovl (); |
3189 | 1419 } |
1420 | |
16880
1aebb613a5ac
Rename re_read_readline_init_file to readline_re_read_init_file.
Rik <rik@octave.org>
parents:
16879
diff
changeset
|
1421 DEFUN (readline_re_read_init_file, args, , |
21966
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|
1422 doc: /* -*- texinfo -*- |
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move docstrings in C++ files out of C strings and into comments
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|
1423 @deftypefn {} {} readline_re_read_init_file () |
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move docstrings in C++ files out of C strings and into comments
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|
1424 Re-read the last readline library initialization file that was read. |
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|
1425 |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1426 @xref{Readline Init File, , , readline, GNU Readline Library}, |
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|
1427 for details. |
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move docstrings in C++ files out of C strings and into comments
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changeset
|
1428 @seealso{readline_read_init_file} |
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move docstrings in C++ files out of C strings and into comments
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diff
changeset
|
1429 @end deftypefn */) |
7758
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
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changeset
|
1430 { |
20801
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changeset
|
1431 if (args.length () != 0) |
7758
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1432 print_usage (); |
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
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diff
changeset
|
1433 |
21748
176536b15d68
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John W. Eaton <jwe@octave.org>
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21743
diff
changeset
|
1434 octave::command_editor::re_read_init_file (); |
20801
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eliminate return statements after calls to print_usage
John W. Eaton <jwe@octave.org>
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|
1435 |
20941
a4f5da7c5463
maint: Replace "octave_value_list ()" with "ovl ()".
Rik <rik@octave.org>
parents:
20940
diff
changeset
|
1436 return ovl (); |
7758
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
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diff
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|
1437 } |
8e14a01ffe9f
input.cc (Fre_read_readline_init_file): new function
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diff
changeset
|
1438 |
16349
610617eb84d1
provide pre- and post-input hook functions
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16347
diff
changeset
|
1439 static int |
610617eb84d1
provide pre- and post-input hook functions
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16347
diff
changeset
|
1440 internal_input_event_hook_fcn (void) |
610617eb84d1
provide pre- and post-input hook functions
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diff
changeset
|
1441 { |
25407
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new input_system class to manage user input for the interpreter
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diff
changeset
|
1442 octave::input_system& input_sys |
ab10403a0b50
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25402
diff
changeset
|
1443 = octave::__get_input_system__ ("internal_input_event_hook_fcn"); |
16349
610617eb84d1
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|
1444 |
25407
ab10403a0b50
new input_system class to manage user input for the interpreter
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25402
diff
changeset
|
1445 input_sys.run_input_event_hooks (); |
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new input_system class to manage user input for the interpreter
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25402
diff
changeset
|
1446 |
ab10403a0b50
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parents:
25402
diff
changeset
|
1447 if (! input_sys.have_input_event_hooks ()) |
21748
176536b15d68
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John W. Eaton <jwe@octave.org>
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21743
diff
changeset
|
1448 octave::command_editor::remove_event_hook (internal_input_event_hook_fcn); |
16152
c48847a781d5
* input.cc (input_event_hook): Return 0.
John W. Eaton <jwe@octave.org>
parents:
16151
diff
changeset
|
1449 |
c48847a781d5
* input.cc (input_event_hook): Return 0.
John W. Eaton <jwe@octave.org>
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16151
diff
changeset
|
1450 return 0; |
3498 | 1451 } |
1452 | |
25407
ab10403a0b50
new input_system class to manage user input for the interpreter
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diff
changeset
|
1453 DEFMETHOD (add_input_event_hook, interp, args, , |
ab10403a0b50
new input_system class to manage user input for the interpreter
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diff
changeset
|
1454 doc: /* -*- texinfo -*- |
21966
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|
1455 @deftypefn {} {@var{id} =} add_input_event_hook (@var{fcn}) |
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|
1456 @deftypefnx {} {@var{id} =} add_input_event_hook (@var{fcn}, @var{data}) |
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|
1457 Add the named function or function handle @var{fcn} to the list of functions |
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|
1458 to call periodically when Octave is waiting for input. |
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|
1459 |
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changeset
|
1460 The function should have the form |
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|
1461 |
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|
1462 @example |
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move docstrings in C++ files out of C strings and into comments
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|
1463 @var{fcn} (@var{data}) |
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|
1464 @end example |
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|
1465 |
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changeset
|
1466 If @var{data} is omitted, Octave calls the function without any arguments. |
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|
1467 |
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changeset
|
1468 The returned identifier may be used to remove the function handle from the |
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1469 list of input hook functions. |
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1470 @seealso{remove_input_event_hook} |
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1471 @end deftypefn */) |
3498 | 1472 { |
1473 int nargin = args.length (); | |
1474 | |
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1475 if (nargin < 1 || nargin > 2) |
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1476 print_usage (); |
3498 | 1477 |
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1478 octave_value user_data; |
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1479 |
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1480 if (nargin == 2) |
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1481 user_data = args(1); |
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1482 |
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1483 octave::input_system& input_sys = interp.get_input_system (); |
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1484 |
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1485 hook_function hook_fcn (args(0), user_data); |
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1486 |
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1487 if (! input_sys.have_input_event_hooks ()) |
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1488 octave::command_editor::add_event_hook (internal_input_event_hook_fcn); |
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1489 |
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1490 input_sys.add_input_event_hook (hook_fcn); |
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|
1491 |
21127
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Rik <rik@octave.org>
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|
1492 return ovl (hook_fcn.id ()); |
9215
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1493 } |
3498 | 1494 |
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1495 DEFMETHOD (remove_input_event_hook, interp, args, , |
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1496 doc: /* -*- texinfo -*- |
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1497 @deftypefn {} {} remove_input_event_hook (@var{name}) |
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1498 @deftypefnx {} {} remove_input_event_hook (@var{fcn_id}) |
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1499 Remove the named function or function handle with the given identifier |
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1500 from the list of functions to call periodically when Octave is waiting |
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1501 for input. |
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1502 @seealso{add_input_event_hook} |
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1503 @end deftypefn */) |
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1504 { |
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|
1505 int nargin = args.length (); |
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1506 |
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1507 if (nargin < 1 || nargin > 2) |
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1508 print_usage (); |
16347
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|
1509 |
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1510 std::string hook_fcn_id = args(0).string_value ("remove_input_event_hook: argument not valid as a hook function name or id"); |
3498 | 1511 |
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1512 bool warn = (nargin < 2); |
3498 | 1513 |
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1514 octave::input_system& input_sys = interp.get_input_system (); |
3498 | 1515 |
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1516 if (! input_sys.remove_input_event_hook (hook_fcn_id) && warn) |
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1517 warning ("remove_input_event_hook: %s not found in list", |
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1518 hook_fcn_id.c_str ()); |
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1519 |
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|
1520 if (! input_sys.have_input_event_hooks ()) |
21748
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|
1521 octave::command_editor::remove_event_hook (internal_input_event_hook_fcn); |
3498 | 1522 |
20941
a4f5da7c5463
maint: Replace "octave_value_list ()" with "ovl ()".
Rik <rik@octave.org>
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20940
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|
1523 return ovl (); |
3498 | 1524 } |
1525 | |
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1526 DEFMETHOD (PS1, interp, args, nargout, |
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|
1527 doc: /* -*- texinfo -*- |
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1528 @deftypefn {} {@var{val} =} PS1 () |
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1529 @deftypefnx {} {@var{old_val} =} PS1 (@var{new_val}) |
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1530 @deftypefnx {} {} PS1 (@var{new_val}, "local") |
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1531 Query or set the primary prompt string. |
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|
1532 |
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|
1533 When executing interactively, Octave displays the primary prompt when it is |
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1534 ready to read a command. |
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|
1535 |
24595
5ed2e9248ee9
doc: Tweaks to use single quotes instead of double quotes (bug #52870).
Rik <rik@octave.org>
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23219
diff
changeset
|
1536 The default value of the primary prompt string is @qcode{'octave:\#> '}. |
21966
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|
1537 To change it, use a command like |
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|
1538 |
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|
1539 @example |
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1540 PS1 ("\\u@@\\H> ") |
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1541 @end example |
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|
1542 |
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|
1543 @noindent |
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1544 which will result in the prompt @samp{boris@@kremvax> } for the user |
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1545 @samp{boris} logged in on the host @samp{kremvax.kgb.su}. Note that two |
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|
1546 backslashes are required to enter a backslash into a double-quoted |
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1547 character string. @xref{Strings}. |
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|
1548 |
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|
1549 You can also use ANSI escape sequences if your terminal supports them. |
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|
1550 This can be useful for coloring the prompt. For example, |
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|
1551 |
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|
1552 @example |
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1553 PS1 ('\[\033[01;31m\]\s:\#> \[\033[0m\]') |
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1554 @end example |
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|
1555 |
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|
1556 @noindent |
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|
1557 will give the default Octave prompt a red coloring. |
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|
1558 |
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|
1559 When called from inside a function with the @qcode{"local"} option, the |
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|
1560 variable is changed locally for the function and any subroutines it calls. |
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1561 The original variable value is restored when exiting the function. |
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1562 @seealso{PS2, PS4} |
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1563 @end deftypefn */) |
5794 | 1564 { |
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|
1565 octave::input_system& input_sys = interp.get_input_system (); |
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|
1566 |
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|
1567 return input_sys.PS1 (args, nargout); |
5794 | 1568 } |
2181 | 1569 |
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|
1570 DEFMETHOD (PS2, interp, args, nargout, |
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|
1571 doc: /* -*- texinfo -*- |
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1572 @deftypefn {} {@var{val} =} PS2 () |
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1573 @deftypefnx {} {@var{old_val} =} PS2 (@var{new_val}) |
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1574 @deftypefnx {} {} PS2 (@var{new_val}, "local") |
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|
1575 Query or set the secondary prompt string. |
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|
1576 |
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|
1577 The secondary prompt is printed when Octave is expecting additional input to |
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|
1578 complete a command. For example, if you are typing a @code{for} loop that |
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|
1579 spans several lines, Octave will print the secondary prompt at the beginning |
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|
1580 of each line after the first. The default value of the secondary prompt |
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|
1581 string is @qcode{"> "}. |
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|
1582 |
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|
1583 When called from inside a function with the @qcode{"local"} option, the |
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|
1584 variable is changed locally for the function and any subroutines it calls. |
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1585 The original variable value is restored when exiting the function. |
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1586 @seealso{PS1, PS4} |
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|
1587 @end deftypefn */) |
5794 | 1588 { |
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|
1589 octave::input_system& input_sys = interp.get_input_system (); |
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|
1590 |
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|
1591 return input_sys.PS2 (args, nargout); |
5794 | 1592 } |
2181 | 1593 |
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1594 DEFMETHOD (completion_append_char, interp, args, nargout, |
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1595 doc: /* -*- texinfo -*- |
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1596 @deftypefn {} {@var{val} =} completion_append_char () |
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1597 @deftypefnx {} {@var{old_val} =} completion_append_char (@var{new_val}) |
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1598 @deftypefnx {} {} completion_append_char (@var{new_val}, "local") |
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1599 Query or set the internal character variable that is appended to |
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1600 successful command-line completion attempts. |
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1601 |
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1602 The default value is @qcode{" "} (a single space). |
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1603 |
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1604 When called from inside a function with the @qcode{"local"} option, the |
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1605 variable is changed locally for the function and any subroutines it calls. |
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1606 The original variable value is restored when exiting the function. |
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1607 @end deftypefn */) |
5794 | 1608 { |
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1609 octave::input_system& input_sys = interp.get_input_system (); |
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1610 |
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1611 return input_sys.completion_append_char (args, nargout); |
5794 | 1612 } |
3019 | 1613 |
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1614 DEFMETHOD (__request_drawnow__, , args, , |
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1615 doc: /* -*- texinfo -*- |
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1616 @deftypefn {} {} __request_drawnow__ () |
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1617 @deftypefnx {} {} __request_drawnow__ (@var{flag}) |
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1618 Undocumented internal function. |
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1619 @end deftypefn */) |
6257 | 1620 { |
1621 int nargin = args.length (); | |
1622 | |
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1623 if (nargin > 1) |
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1624 print_usage (); |
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1625 |
6257 | 1626 if (nargin == 0) |
1627 Vdrawnow_requested = true; | |
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1628 else |
6257 | 1629 Vdrawnow_requested = args(0).bool_value (); |
1630 | |
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1631 return ovl (); |
6257 | 1632 } |
1633 | |
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1634 DEFMETHOD (__gud_mode__, interp, args, nargout, |
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1635 doc: /* -*- texinfo -*- |
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1636 @deftypefn {} {} __gud_mode__ () |
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1637 Undocumented internal function. |
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1638 @end deftypefn */) |
7294 | 1639 { |
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1640 octave::input_system& input_sys = interp.get_input_system (); |
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1641 |
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1642 return input_sys.gud_mode (args, nargout); |
7294 | 1643 } |
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1644 |
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1645 DEFMETHOD (__mfile_encoding__, interp, args, nargout, |
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1646 doc: /* -*- texinfo -*- |
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1647 @deftypefn {} {@var{current_encoding} =} __mfile_encoding__ (@var{new_encoding}) |
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1648 Set and query the codepage that is used for reading .m files. |
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1649 @end deftypefn */) |
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1650 { |
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1651 octave::input_system& input_sys = interp.get_input_system (); |
7294 | 1652 |
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1653 return input_sys.mfile_encoding (args, nargout); |
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1654 } |
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1655 |
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1656 // Always define these functions. The macro is intended to allow the |
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1657 // declarations to be hidden, not so that Octave will not provide the |
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1658 // functions if they are requested. |
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1659 |
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1660 // #if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS) |
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1661 |
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1662 bool |
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1663 octave_yes_or_no (const std::string& prompt) |
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1664 { |
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1665 octave::input_system& input_sys |
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1666 = octave::__get_input_system__ ("set_default_prompts"); |
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1667 |
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1668 return input_sys.yes_or_no (prompt); |
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1669 } |
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1670 |
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1671 octave_value |
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1672 do_keyboard (const octave_value_list& args) |
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1673 { |
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1674 octave::input_system& input_sys |
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1675 = octave::__get_input_system__ ("do_keyboard"); |
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1676 |
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1677 return input_sys.keyboard (args); |
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1678 } |
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1679 |
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1680 void |
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1681 remove_input_event_hook_functions (void) |
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1682 { |
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1683 octave::input_system& input_sys |
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1684 = octave::__get_input_system__ ("remove_input_event_hook_functions"); |
7294 | 1685 |
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1686 input_sys.clear_input_event_hooks (); |
7294 | 1687 } |
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1688 |
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1689 // Fix things up so that input can come from the standard input. This |
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1690 // may need to become much more complicated, which is why it's in a |
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1691 // separate function. |
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1692 |
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1693 FILE * |
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1694 get_input_from_stdin (void) |
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1695 { |
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1696 octave::command_editor::set_input_stream (stdin); |
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1697 return octave::command_editor::get_input_stream (); |
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1698 } |
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1699 |
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1700 // #endif |