Mercurial > hg > octave-nkf
annotate src/help.cc @ 14119:94e2a76f1e5a stable
doc: Final grammarcheck and spellcheck before 3.6.0 release.
* container.txi, aspell-octave.en.pws, expr.txi, vectorize.txi, accumarray.m,
accumdim.m, interpft.m, strread.m, parseparams.m, warning_ids.m, cellfun.cc,
help.cc: grammarcheck and spellcheck docstrings.
| author | Rik <octave@nomad.inbox5.com> |
|---|---|
| date | Thu, 29 Dec 2011 06:05:00 -0800 |
| parents | 16b3736e534b |
| children | 72c96de7a403 |
| rev | line source |
|---|---|
| 1 | 1 /* |
| 2 | |
| 11523 | 3 Copyright (C) 1993-2011 John W. Eaton |
| 1 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 1 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 1 | 20 |
| 21 */ | |
| 22 | |
| 240 | 23 #ifdef HAVE_CONFIG_H |
| 1192 | 24 #include <config.h> |
| 1 | 25 #endif |
| 26 | |
| 1343 | 27 #include <cstdlib> |
| 28 #include <cstring> | |
| 29 | |
| 5769 | 30 #include <algorithm> |
| 3503 | 31 #include <iostream> |
| 32 #include <fstream> | |
| 5765 | 33 #include <sstream> |
| 1755 | 34 #include <string> |
| 35 | |
| 1295 | 36 #include <sys/types.h> |
| 37 #include <unistd.h> | |
| 1343 | 38 |
| 3295 | 39 #include "cmd-edit.h" |
| 40 #include "file-ops.h" | |
| 6253 | 41 #include "file-stat.h" |
| 2926 | 42 #include "oct-env.h" |
| 1755 | 43 #include "str-vec.h" |
| 44 | |
| 2492 | 45 #include <defaults.h> |
| 1352 | 46 #include "defun.h" |
| 47 #include "dirfns.h" | |
| 48 #include "error.h" | |
| 2202 | 49 #include "gripes.h" |
| 1352 | 50 #include "help.h" |
| 2177 | 51 #include "input.h" |
| 5832 | 52 #include "load-path.h" |
| 1755 | 53 #include "oct-obj.h" |
| 2976 | 54 #include "ov-usr-fcn.h" |
| 1352 | 55 #include "pager.h" |
| 3018 | 56 #include "parse.h" |
| 1466 | 57 #include "pathsearch.h" |
| 3295 | 58 #include "procstream.h" |
| 7336 | 59 #include "pt-pr-code.h" |
| 529 | 60 #include "sighandlers.h" |
| 61 #include "symtab.h" | |
| 2694 | 62 #include "syswait.h" |
| 1755 | 63 #include "toplev.h" |
|
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64 #include "unwind-prot.h" |
| 242 | 65 #include "utils.h" |
| 1352 | 66 #include "variables.h" |
| 3301 | 67 #include "version.h" |
| 5447 | 68 #include "quit.h" |
| 529 | 69 |
| 8861 | 70 // Name of the doc cache file specified on the command line. |
| 71 // (--doc-cache-file file) | |
| 72 std::string Vdoc_cache_file; | |
| 73 | |
| 2202 | 74 // Name of the info file specified on command line. |
| 75 // (--info-file file) | |
| 3523 | 76 std::string Vinfo_file; |
| 2202 | 77 |
| 78 // Name of the info reader we'd like to use. | |
| 79 // (--info-program program) | |
| 5794 | 80 std::string Vinfo_program; |
| 2202 | 81 |
| 3686 | 82 // Name of the makeinfo program to run. |
| 5794 | 83 static std::string Vmakeinfo_program = "makeinfo"; |
| 3686 | 84 |
| 2189 | 85 // If TRUE, don't print additional help message in help and usage |
| 86 // functions. | |
| 5794 | 87 static bool Vsuppress_verbose_help_message = false; |
| 2189 | 88 |
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89 #include <map> |
| 3016 | 90 |
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91 typedef std::map<std::string, std::string> map_type; |
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92 typedef map_type::value_type pair_type; |
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93 typedef map_type::const_iterator map_iter; |
| 3016 | 94 |
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95 template<typename T, std::size_t z> |
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96 std::size_t |
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97 size (T const (&)[z]) |
| 1 | 98 { |
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99 return z; |
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100 } |
| 1 | 101 |
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102 const static pair_type operators[] = |
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103 { |
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104 pair_type ("!", |
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105 "-*- texinfo -*-\n\ |
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106 @deftypefn {Operator} {} !\n\ |
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107 Logical 'not' operator.\n\ |
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108 @seealso{~, not}\n\ |
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109 @end deftypefn"), |
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110 |
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111 pair_type ("~", |
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112 "-*- texinfo -*-\n\ |
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113 @deftypefn {Operator} {} ~\n\ |
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114 Logical 'not' operator.\n\ |
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115 @seealso{!, not}\n\ |
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116 @end deftypefn"), |
| 1 | 117 |
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118 pair_type ("!=", |
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119 "-*- texinfo -*-\n\ |
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120 @deftypefn {Operator} {} !=\n\ |
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121 Logical 'not equals' operator.\n\ |
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122 @seealso{~=, ne}\n\ |
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123 @end deftypefn"), |
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124 |
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125 pair_type ("~=", |
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126 "-*- texinfo -*-\n\ |
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127 @deftypefn {Operator} {} ~=\n\ |
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128 Logical 'not equals' operator.\n\ |
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129 @seealso{!=, ne}\n\ |
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130 @end deftypefn"), |
| 1 | 131 |
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132 pair_type ("\"", |
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133 "-*- texinfo -*-\n\ |
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134 @deftypefn {Operator} {} \"\n\ |
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135 String delimiter.\n\ |
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136 @end deftypefn"), |
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137 |
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138 pair_type ("#", |
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139 "-*- texinfo -*-\n\ |
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140 @deftypefn {Operator} {} #\n\ |
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141 Begin comment character.\n\ |
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142 @seealso{%, #@{}\n\ |
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143 @end deftypefn"), |
| 1 | 144 |
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145 pair_type ("%", |
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146 "-*- texinfo -*-\n\ |
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147 @deftypefn {Operator} {} %\n\ |
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148 Begin comment character.\n\ |
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149 @seealso{#, %@{}\n\ |
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150 @end deftypefn"), |
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151 |
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152 pair_type ("#{", |
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153 "-*- texinfo -*-\n\ |
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154 @deftypefn {Operator} {} #@{\n\ |
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155 Begin block comment. There must be nothing else, other than\n\ |
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156 whitespace, in the line both before and after @code{#@{}.\n\ |
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157 It is possible to nest block comments.\n\ |
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158 @seealso{%@{, #@}, #}\n\ |
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159 @end deftypefn"), |
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160 |
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161 pair_type ("%{", |
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162 "-*- texinfo -*-\n\ |
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163 @deftypefn {Operator} {} %@{\n\ |
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164 Begin block comment. There must be nothing else, other than\n\ |
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165 whitespace, in the line both before and after @code{%@{}.\n\ |
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166 It is possible to nest block comments.\n\ |
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167 @seealso{#@{, %@}, %}\n\ |
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168 @end deftypefn"), |
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169 |
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170 pair_type ("#}", |
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171 "-*- texinfo -*-\n\ |
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172 @deftypefn {Operator} {} #@}\n\ |
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173 Close block comment. There must be nothing else, other than\n\ |
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174 whitespace, in the line both before and after @code{#@}}.\n\ |
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175 It is possible to nest block comments.\n\ |
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176 @seealso{%@}, #@{, #}\n\ |
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177 @end deftypefn"), |
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178 |
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179 pair_type ("%}", |
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180 "-*- texinfo -*-\n\ |
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181 @deftypefn {Operator} {} %@}\n\ |
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182 Close block comment. There must be nothing else, other than\n\ |
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183 whitespace, in the line both before and after @code{%@}}.\n\ |
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184 It is possible to nest block comments.\n\ |
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185 @seealso{#@}, %@{, %}\n\ |
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186 @end deftypefn"), |
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187 |
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188 pair_type ("...", |
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189 "-*- texinfo -*-\n\ |
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190 @deftypefn {Operator} {} ...\n\ |
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191 Continuation marker. Joins current line with following line.\n\ |
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192 @end deftypefn"), |
| 1 | 193 |
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194 pair_type ("&", |
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195 "-*- texinfo -*-\n\ |
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196 @deftypefn {Operator} {} &\n\ |
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197 Element by element logical 'and' operator.\n\ |
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198 @seealso{&&, and}\n\ |
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199 @end deftypefn"), |
| 1 | 200 |
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201 pair_type ("&&", |
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202 "-*- texinfo -*-\n\ |
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203 @deftypefn {Operator} {} &&\n\ |
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204 Logical 'and' operator (with short-circuit evaluation).\n\ |
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205 @seealso{&, and}\n\ |
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206 @end deftypefn"), |
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208 pair_type ("'", |
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209 "-*- texinfo -*-\n\ |
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210 @deftypefn {Operator} {} '\n\ |
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211 Matrix transpose operator. For complex matrices, computes the\n\ |
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212 complex conjugate (Hermitian) transpose.\n\ |
| 1 | 213 \n\ |
| 214 The single quote character may also be used to delimit strings, but\n\ | |
| 215 it is better to use the double quote character, since that is never\n\ | |
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216 ambiguous.\n\ |
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217 @seealso{.', transpose}\n\ |
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218 @end deftypefn"), |
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220 pair_type ("(", |
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221 "-*- texinfo -*-\n\ |
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222 @deftypefn {Operator} {} (\n\ |
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223 Array index or function argument delimiter.\n\ |
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224 @end deftypefn"), |
| 1 | 225 |
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226 pair_type (")", |
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227 "-*- texinfo -*-\n\ |
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228 @deftypefn {Operator} {} )\n\ |
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229 Array index or function argument delimiter.\n\ |
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230 @end deftypefn"), |
| 1 | 231 |
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232 pair_type ("*", |
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233 "-*- texinfo -*-\n\ |
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234 @deftypefn {Operator} {} *\n\ |
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235 Multiplication operator.\n\ |
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236 @seealso{.*, times}\n\ |
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237 @end deftypefn"), |
| 1 | 238 |
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239 pair_type ("**", |
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240 "-*- texinfo -*-\n\ |
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241 @deftypefn {Operator} {} **\n\ |
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242 Power operator.\n\ |
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243 @seealso{power, ^, .**, .^}\n\ |
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244 @end deftypefn"), |
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245 |
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246 pair_type ("^", |
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247 "-*- texinfo -*-\n\ |
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248 @deftypefn {Operator} {} ^\n\ |
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249 Power operator.\n\ |
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250 @seealso{power, **, .^, .**}\n\ |
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251 @end deftypefn"), |
| 1 | 252 |
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253 pair_type ("+", |
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254 "-*- texinfo -*-\n\ |
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255 @deftypefn {Operator} {} +\n\ |
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256 Addition operator.\n\ |
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257 @seealso{plus}\n\ |
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258 @end deftypefn"), |
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259 |
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260 pair_type ("++", |
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261 "-*- texinfo -*-\n\ |
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262 @deftypefn {Operator} {} ++\n\ |
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263 Increment operator. As in C, may be applied as a prefix or postfix\n\ |
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264 operator.\n\ |
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265 @seealso{--}\n\ |
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266 @end deftypefn"), |
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268 pair_type (",", |
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269 "-*- texinfo -*-\n\ |
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270 @deftypefn {Operator} {} ,\n\ |
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271 Array index, function argument, or command separator.\n\ |
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272 @end deftypefn"), |
| 1 | 273 |
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274 pair_type ("-", |
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275 "-*- texinfo -*-\n\ |
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276 @deftypefn {Operator} {} -\n\ |
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277 Subtraction or unary negation operator.\n\ |
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278 @seealso{minus}\n\ |
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279 @end deftypefn"), |
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280 |
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281 pair_type ("--", |
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282 "-*- texinfo -*-\n\ |
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283 @deftypefn {Operator} {} --\n\ |
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284 Decrement operator. As in C, may be applied as a prefix or postfix\n\ |
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285 operator.\n\ |
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286 @seealso{++}\n\ |
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287 @end deftypefn"), |
| 1 | 288 |
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289 pair_type (".'", |
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290 "-*- texinfo -*-\n\ |
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291 @deftypefn {Operator} {} .'\n\ |
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292 Matrix transpose operator. For complex matrices, computes the\n\ |
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293 transpose, @emph{not} the complex conjugate transpose.\n\ |
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294 @seealso{', transpose}\n\ |
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295 @end deftypefn"), |
| 1 | 296 |
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297 pair_type (".*", |
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298 "-*- texinfo -*-\n\ |
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299 @deftypefn {Operator} {} .*\n\ |
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300 Element by element multiplication operator.\n\ |
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301 @seealso{*, times}\n\ |
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302 @end deftypefn"), |
| 1 | 303 |
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304 pair_type (".**", |
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305 "-*- texinfo -*-\n\ |
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306 @deftypefn {Operator} {} .*\n\ |
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307 Element by element power operator.\n\ |
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308 @seealso{**, ^, .^, power}\n\ |
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309 @end deftypefn"), |
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310 |
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311 pair_type (".^", |
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312 "-*- texinfo -*-\n\ |
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313 @deftypefn {Operator} {} .^\n\ |
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314 Element by element power operator.\n\ |
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315 @seealso{.**, ^, **, power}\n\ |
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316 @end deftypefn"), |
| 1 | 317 |
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318 pair_type ("./", |
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319 "-*- texinfo -*-\n\ |
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320 @deftypefn {Operator} {} ./\n\ |
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321 Element by element right division operator.\n\ |
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322 @seealso{/, .\\, rdivide, mrdivide}\n\ |
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323 @end deftypefn"), |
| 1 | 324 |
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325 pair_type ("/", |
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326 "-*- texinfo -*-\n\ |
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327 @deftypefn {Operator} {} /\n\ |
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328 Right division operator.\n\ |
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329 @seealso{./, \\, rdivide, mrdivide}\n\ |
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330 @end deftypefn"), |
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331 |
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332 pair_type (".\\", |
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333 "-*- texinfo -*-\n\ |
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334 @deftypefn {Operator} {} .\\\n\ |
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335 Element by element left division operator.\n\ |
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336 @seealso{\\, ./, rdivide, mrdivide}\n\ |
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337 @end deftypefn"), |
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338 |
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339 pair_type ("\\", |
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340 "-*- texinfo -*-\n\ |
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341 @deftypefn {Operator} {} \\\n\ |
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342 Left division operator.\n\ |
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343 @seealso{.\\, /, ldivide, mldivide}\n\ |
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344 @end deftypefn"), |
| 1 | 345 |
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346 pair_type (":", |
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347 "-*- texinfo -*-\n\ |
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348 @deftypefn {Operator} {} :\n\ |
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349 Select entire rows or columns of matrices.\n\ |
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350 @end deftypefn"), |
| 1 | 351 |
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352 pair_type (";", |
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353 "-*- texinfo -*-\n\ |
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354 @deftypefn {Operator} {} ;\n\ |
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355 Array row or command separator.\n\ |
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356 @seealso{,}\n\ |
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357 @end deftypefn"), |
| 1 | 358 |
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359 pair_type ("<", |
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360 "-*- texinfo -*-\n\ |
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361 @deftypefn {Operator} {} <\n\ |
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362 'Less than' operator.\n\ |
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363 @seealso{lt}\n\ |
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364 @end deftypefn"), |
| 1 | 365 |
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366 pair_type ("<=", |
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367 "-*- texinfo -*-\n\ |
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368 @deftypefn {Operator} {} <=\n\ |
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369 'Less than' or 'equals' operator.\n\ |
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370 @seealso{le}\n\ |
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371 @end deftypefn"), |
| 1 | 372 |
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373 pair_type ("=", |
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374 "-*- texinfo -*-\n\ |
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375 @deftypefn {Operator} {} =\n\ |
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376 Assignment operator.\n\ |
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377 @end deftypefn"), |
| 1 | 378 |
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379 pair_type ("==", |
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380 "-*- texinfo -*-\n\ |
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381 @deftypefn {Operator} {} ==\n\ |
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382 Equality test operator.\n\ |
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383 @seealso{eq}\n\ |
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384 @end deftypefn"), |
| 1 | 385 |
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386 pair_type (">", |
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387 "-*- texinfo -*-\n\ |
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388 @deftypefn {Operator} {} >\n\ |
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389 'Greater than' operator.\n\ |
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390 @seealso{gt}\n\ |
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391 @end deftypefn"), |
| 1 | 392 |
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393 pair_type (">=", |
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394 "-*- texinfo -*-\n\ |
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395 @deftypefn {Operator} {} >=\n\ |
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396 'Greater than' or 'equals' operator.\n\ |
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397 @seealso{ge}\n\ |
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398 @end deftypefn"), |
| 1 | 399 |
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400 pair_type ("[", |
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401 "-*- texinfo -*-\n\ |
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402 @deftypefn {Operator} {} [\n\ |
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403 Return list delimiter.\n\ |
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404 @seealso{]}\n\ |
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405 @end deftypefn"), |
| 1 | 406 |
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407 pair_type ("]", |
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408 "-*- texinfo -*-\n\ |
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409 @deftypefn {Operator} {} ]\n\ |
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410 Return list delimiter.\n\ |
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411 @seealso{[}\n\ |
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412 @end deftypefn"), |
| 1 | 413 |
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414 pair_type ("|", |
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415 "-*- texinfo -*-\n\ |
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416 @deftypefn {Operator} {} |\n\ |
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417 Element by element logical 'or' operator.\n\ |
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418 @seealso{||, or}\n\ |
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419 @end deftypefn"), |
| 1 | 420 |
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421 pair_type ("||", |
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422 "-*- texinfo -*-\n\ |
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423 @deftypefn {Operator} {} ||\n\ |
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424 Logical 'or' (with short-circuit evaluation) operator.\n\ |
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425 @seealso{|, or}\n\ |
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426 @end deftypefn"), |
| 1 | 427 }; |
| 428 | |
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429 const static pair_type keywords[] = |
| 1 | 430 { |
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431 pair_type ("break", |
| 5818 | 432 "-*- texinfo -*-\n\ |
| 11547 | 433 @deftypefn {Keyword} {} break\n\ |
| 5818 | 434 Exit the innermost enclosing do, while or for loop.\n\ |
| 13246 | 435 @seealso{do, while, for, parfor, continue}\n\ |
| 11547 | 436 @end deftypefn"), |
| 5040 | 437 |
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438 pair_type ("case", |
| 5818 | 439 "-*- texinfo -*-\n\ |
| 11547 | 440 @deftypefn {Keyword} {} case @{@var{value}@}\n\ |
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441 A case statement in an switch. Octave cases are exclusive and do not\n\ |
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442 fall-through as do C-language cases. A switch statement must have at least\n\ |
| 5818 | 443 one case. See @code{switch} for an example.\n\ |
| 444 @seealso{switch}\n\ | |
| 11547 | 445 @end deftypefn"), |
| 1 | 446 |
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447 pair_type ("catch", |
| 5818 | 448 "-*- texinfo -*-\n\ |
| 11547 | 449 @deftypefn {Keyword} {} catch\n\ |
| 5818 | 450 Begin the cleanup part of a try-catch block.\n\ |
| 451 @seealso{try}\n\ | |
| 11547 | 452 @end deftypefn"), |
| 1489 | 453 |
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454 pair_type ("continue", |
| 5818 | 455 "-*- texinfo -*-\n\ |
| 11547 | 456 @deftypefn {Keyword} {} continue\n\ |
| 5818 | 457 Jump to the end of the innermost enclosing do, while or for loop.\n\ |
| 13246 | 458 @seealso{do, while, for, parfor, break}\n\ |
| 11547 | 459 @end deftypefn"), |
| 5040 | 460 |
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461 pair_type ("do", |
| 5818 | 462 "-*- texinfo -*-\n\ |
| 11547 | 463 @deftypefn {Keyword} {} do\n\ |
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464 Begin a do-until loop. This differs from a do-while loop in that the\n\ |
| 5818 | 465 body of the loop is executed at least once.\n\ |
| 466 @seealso{while}\n\ | |
| 11547 | 467 @end deftypefn"), |
| 1 | 468 |
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469 pair_type ("else", |
| 5818 | 470 "-*- texinfo -*-\n\ |
| 11547 | 471 @deftypefn {Keyword} {} else\n\ |
| 5818 | 472 Alternate action for an if block. See @code{if} for an example.\n\ |
| 473 @seealso{if}\n\ | |
| 11547 | 474 @end deftypefn"), |
| 1 | 475 |
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476 pair_type ("elseif", |
| 5818 | 477 "-*- texinfo -*-\n\ |
| 11547 | 478 @deftypefn {Keyword} {} elseif (@var{condition})\n\ |
| 5818 | 479 Alternate conditional test for an if block. See @code{if} for an example.\n\ |
| 480 @seealso{if}\n\ | |
| 11547 | 481 @end deftypefn"), |
| 1 | 482 |
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483 pair_type ("end", |
| 5818 | 484 "-*- texinfo -*-\n\ |
| 11547 | 485 @deftypefn {Keyword} {} end\n\ |
| 10840 | 486 Mark the end of any @code{for}, @code{if}, @code{do}, @code{while}, or\n\ |
| 487 @code{function} block.\n\ | |
| 13246 | 488 @seealso{for, parfor, if, do, while, function}\n\ |
| 11547 | 489 @end deftypefn"), |
| 928 | 490 |
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491 pair_type ("end_try_catch", |
| 5818 | 492 "-*- texinfo -*-\n\ |
| 11547 | 493 @deftypefn {Keyword} {} end_try_catch\n\ |
| 5818 | 494 Mark the end of an @code{try-catch} block.\n\ |
| 495 @seealso{try, catch}\n\ | |
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496 @end deftypefn"), |
| 1489 | 497 |
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498 pair_type ("end_unwind_protect", |
| 5818 | 499 "-*- texinfo -*-\n\ |
| 11547 | 500 @deftypefn {Keyword} {} end_unwind_protect\n\ |
| 5818 | 501 Mark the end of an unwind_protect block.\n\ |
| 502 @seealso{unwind_protect}\n\ | |
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503 @end deftypefn"), |
| 1 | 504 |
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505 pair_type ("endfor", |
| 5818 | 506 "-*- texinfo -*-\n\ |
| 11547 | 507 @deftypefn {Keyword} {} endfor\n\ |
| 5818 | 508 Mark the end of a for loop. See @code{for} for an example.\n\ |
| 509 @seealso{for}\n\ | |
| 11547 | 510 @end deftypefn"), |
| 1 | 511 |
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512 pair_type ("endfunction", |
| 5818 | 513 "-*- texinfo -*-\n\ |
| 11547 | 514 @deftypefn {Keyword} {} endfunction\n\ |
| 5818 | 515 Mark the end of a function.\n\ |
| 516 @seealso{function}\n\ | |
| 11547 | 517 @end deftypefn"), |
| 1 | 518 |
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519 pair_type ("endif", |
| 5818 | 520 "-*- texinfo -*-\n\ |
| 11547 | 521 @deftypefn {Keyword} {} endif\n\ |
| 5818 | 522 Mark the end of an if block. See @code{if} for an example.\n\ |
| 523 @seealso{if}\n\ | |
| 11547 | 524 @end deftypefn"), |
| 1 | 525 |
| 13246 | 526 pair_type ("endparfor", |
| 527 "-*- texinfo -*-\n\ | |
| 528 @deftypefn {Keyword} {} endparfor\n\ | |
| 529 Mark the end of a parfor loop. See @code{parfor} for an example.\n\ | |
| 530 @seealso{parfor}\n\ | |
| 531 @end deftypefn"), | |
| 532 | |
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533 pair_type ("endswitch", |
| 5818 | 534 "-*- texinfo -*-\n\ |
| 11547 | 535 @deftypefn {Keyword} {} endswitch\n\ |
| 5818 | 536 Mark the end of a switch block. See @code{switch} for an example.\n\ |
| 537 @seealso{switch}\n\ | |
| 11547 | 538 @end deftypefn"), |
| 5122 | 539 |
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540 pair_type ("endwhile", |
| 5818 | 541 "-*- texinfo -*-\n\ |
| 11547 | 542 @deftypefn {Keyword} {} endwhile\n\ |
| 5818 | 543 Mark the end of a while loop. See @code{while} for an example.\n\ |
| 544 @seealso{do, while}\n\ | |
| 11547 | 545 @end deftypefn"), |
| 1 | 546 |
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547 pair_type ("for", |
| 5818 | 548 "-*- texinfo -*-\n\ |
| 11547 | 549 @deftypefn {Keyword} {} for @var{i} = @var{range}\n\ |
| 5818 | 550 Begin a for loop.\n\ |
| 10840 | 551 \n\ |
| 5818 | 552 @example\n\ |
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553 @group\n\ |
| 5818 | 554 for i = 1:10\n\ |
| 555 i\n\ | |
| 556 endfor\n\ | |
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557 @end group\n\ |
| 5818 | 558 @end example\n\ |
| 13246 | 559 @seealso{do, parfor, while}\n\ |
| 11547 | 560 @end deftypefn"), |
| 1 | 561 |
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562 pair_type ("function", |
| 5818 | 563 "-*- texinfo -*-\n\ |
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564 @deftypefn {Keyword} {} function @var{outputs} = function (@var{input}, @dots{})\n\ |
| 11547 | 565 @deftypefnx {Keyword} {} function {} function (@var{input}, @dots{})\n\ |
| 566 @deftypefnx {Keyword} {} function @var{outputs} = function\n\ | |
| 5818 | 567 Begin a function body with @var{outputs} as results and @var{inputs} as\n\ |
| 568 parameters.\n\ | |
| 569 @seealso{return}\n\ | |
| 11547 | 570 @end deftypefn"), |
| 1 | 571 |
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572 pair_type ("global", |
| 5818 | 573 "-*- texinfo -*-\n\ |
| 11547 | 574 @deftypefn {Keyword} {} global\n\ |
| 5818 | 575 Declare variables to have global scope.\n\ |
| 10840 | 576 \n\ |
| 5818 | 577 @example\n\ |
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578 @group\n\ |
| 5818 | 579 global @var{x};\n\ |
| 580 if isempty (@var{x})\n\ | |
| 581 x = 1;\n\ | |
| 582 endif\n\ | |
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583 @end group\n\ |
| 5818 | 584 @end example\n\ |
| 585 @seealso{persistent}\n\ | |
| 11547 | 586 @end deftypefn"), |
| 1 | 587 |
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588 pair_type ("if", |
| 5393 | 589 "-*- texinfo -*-\n\ |
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590 @deftypefn {Keyword} {} if (@var{cond}) @dots{} endif\n\ |
| 11547 | 591 @deftypefnx {Keyword} {} if (@var{cond}) @dots{} else @dots{} endif\n\ |
| 592 @deftypefnx {Keyword} {} if (@var{cond}) @dots{} elseif (@var{cond}) @dots{} endif\n\ | |
| 593 @deftypefnx {Keyword} {} if (@var{cond}) @dots{} elseif (@var{cond}) @dots{} else @dots{} endif\n\ | |
| 5393 | 594 Begin an if block.\n\ |
| 10840 | 595 \n\ |
| 5818 | 596 @example\n\ |
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597 @group\n\ |
| 5818 | 598 x = 1;\n\ |
| 599 if (x == 1)\n\ | |
| 600 disp (\"one\");\n\ | |
| 601 elseif (x == 2)\n\ | |
| 602 disp (\"two\");\n\ | |
| 603 else\n\ | |
| 604 disp (\"not one or two\");\n\ | |
| 605 endif\n\ | |
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606 @end group\n\ |
| 5818 | 607 @end example\n\ |
| 5646 | 608 @seealso{switch}\n\ |
| 11547 | 609 @end deftypefn"), |
| 1 | 610 |
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611 pair_type ("otherwise", |
| 5818 | 612 "-*- texinfo -*-\n\ |
| 11547 | 613 @deftypefn {Keyword} {} otherwise\n\ |
| 5818 | 614 The default statement in a switch block (similar to else in an if block).\n\ |
| 615 @seealso{switch}\n\ | |
| 11547 | 616 @end deftypefn"), |
| 5040 | 617 |
| 13246 | 618 pair_type ("parfor", |
| 619 "-*- texinfo -*-\n\ | |
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620 @deftypefn {Keyword} {} for @var{i} = @var{range}\n\ |
| 13246 | 621 @deftypefnx {Keyword} {} for (@var{i} = @var{range}, @var{maxproc})\n\ |
| 622 Begin a for loop that may execute in parallel.\n\ | |
| 623 \n\ | |
| 624 @example\n\ | |
| 625 @group\n\ | |
| 626 parfor i = 1:10\n\ | |
| 627 i\n\ | |
| 628 endparfor\n\ | |
| 629 @end group\n\ | |
| 630 @end example\n\ | |
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631 @seealso{for, do, while}\n\ |
| 13246 | 632 @end deftypefn"), |
| 633 | |
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634 pair_type ("persistent", |
| 5818 | 635 "-*- texinfo -*-\n\ |
| 11547 | 636 @deftypefn {Keyword} {} persistent @var{var}\n\ |
| 5818 | 637 Declare variables as persistent. A variable that has been declared\n\ |
| 5623 | 638 persistent within a function will retain its contents in memory between\n\ |
| 639 subsequent calls to the same function. The difference between persistent\n\ | |
| 5818 | 640 variables and global variables is that persistent variables are local in \n\ |
| 641 scope to a particular function and are not visible elsewhere.\n\ | |
| 642 @seealso{global}\n\ | |
| 11547 | 643 @end deftypefn"), |
| 4686 | 644 |
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645 pair_type ("return", |
| 5818 | 646 "-*- texinfo -*-\n\ |
| 11547 | 647 @deftypefn {Keyword} {} return\n\ |
| 5818 | 648 Return from a function.\n\ |
| 649 @seealso{function}\n\ | |
| 11547 | 650 @end deftypefn"), |
| 928 | 651 |
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652 pair_type ("static", |
| 5818 | 653 "-*- texinfo -*-\n\ |
| 11547 | 654 @deftypefn {Keyword} {} static\n\ |
| 5818 | 655 This function has been deprecated in favor of persistent.\n\ |
| 656 @seealso{persistent}\n\ | |
| 11547 | 657 @end deftypefn"), |
| 5040 | 658 |
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659 pair_type ("switch", |
| 5818 | 660 "-*- texinfo -*-\n\ |
| 11547 | 661 @deftypefn {Keyword} {} switch @var{statement}\n\ |
| 5818 | 662 Begin a switch block.\n\ |
| 10840 | 663 \n\ |
| 5818 | 664 @example\n\ |
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665 @group\n\ |
| 5818 | 666 yesno = \"yes\"\n\ |
| 667 \n\ | |
| 668 switch yesno\n\ | |
| 5832 | 669 case @{\"Yes\" \"yes\" \"YES\" \"y\" \"Y\"@}\n\ |
| 5818 | 670 value = 1;\n\ |
| 5832 | 671 case @{\"No\" \"no\" \"NO\" \"n\" \"N\"@}\n\ |
| 5818 | 672 value = 0;\n\ |
| 673 otherwise\n\ | |
| 674 error (\"invalid value\");\n\ | |
| 675 endswitch\n\ | |
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676 @end group\n\ |
| 5818 | 677 @end example\n\ |
| 678 @seealso{if, case, otherwise}\n\ | |
| 11547 | 679 @end deftypefn"), |
| 5040 | 680 |
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681 pair_type ("try", |
| 5818 | 682 "-*- texinfo -*-\n\ |
| 11547 | 683 @deftypefn {Keyword} {} try\n\ |
| 5818 | 684 Begin a try-catch block.\n\ |
| 6138 | 685 \n\ |
| 686 If an error occurs within a try block, then the catch code will be run and\n\ | |
| 687 execution will proceed after the catch block (though it is often\n\ | |
| 688 recommended to use the lasterr function to re-throw the error after cleanup\n\ | |
| 689 is completed).\n\ | |
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690 @seealso{catch, unwind_protect}\n\ |
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691 @end deftypefn"), |
| 1489 | 692 |
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693 pair_type ("until", |
| 5818 | 694 "-*- texinfo -*-\n\ |
| 11547 | 695 @deftypefn {Keyword} {} until\n\ |
| 5818 | 696 End a do-until loop.\n\ |
| 697 @seealso{do}\n\ | |
| 11547 | 698 @end deftypefn"), |
| 5040 | 699 |
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700 pair_type ("unwind_protect", |
| 5818 | 701 "-*- texinfo -*-\n\ |
| 11547 | 702 @deftypefn {Keyword} {} unwind_protect\n\ |
| 5818 | 703 Begin an unwind_protect block.\n\ |
| 6138 | 704 \n\ |
| 705 If an error occurs within the first part of an unwind_protect block\n\ | |
| 706 the commands within the unwind_protect_cleanup block are executed before\n\ | |
| 707 the error is thrown. If an error is not thrown, then the\n\ | |
| 708 unwind_protect_cleanup block is still executed (in other words, the\n\ | |
| 709 unwind_protect_cleanup will be run with or without an error in the\n\ | |
| 710 unwind_protect block).\n\ | |
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711 @seealso{unwind_protect_cleanup, try}\n\ |
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712 @end deftypefn"), |
| 928 | 713 |
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714 pair_type ("unwind_protect_cleanup", |
| 5818 | 715 "-*- texinfo -*-\n\ |
| 11547 | 716 @deftypefn {Keyword} {} unwind_protect_cleanup\n\ |
| 5818 | 717 Begin the cleanup section of an unwind_protect block.\n\ |
| 718 @seealso{unwind_protect}\n\ | |
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719 @end deftypefn"), |
| 1 | 720 |
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721 pair_type ("varargin", |
| 5818 | 722 "-*- texinfo -*-\n\ |
| 11547 | 723 @deftypefn {Keyword} {} varargin\n\ |
| 5818 | 724 Pass an arbitrary number of arguments into a function.\n\ |
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725 @seealso{varargout, nargin, isargout, nargout, nthargout}\n\ |
| 11547 | 726 @end deftypefn"), |
| 5040 | 727 |
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728 pair_type ("varargout", |
| 5818 | 729 "-*- texinfo -*-\n\ |
| 11547 | 730 @deftypefn {Keyword} {} varargout\n\ |
| 5818 | 731 Pass an arbitrary number of arguments out of a function.\n\ |
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732 @seealso{varargin, nargin, isargout, nargout, nthargout}\n\ |
| 11547 | 733 @end deftypefn"), |
| 5040 | 734 |
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735 pair_type ("while", |
| 5818 | 736 "-*- texinfo -*-\n\ |
| 11547 | 737 @deftypefn {Keyword} {} while\n\ |
| 5818 | 738 Begin a while loop.\n\ |
| 739 @seealso{do}\n\ | |
| 11547 | 740 @end deftypefn"), |
| 1 | 741 }; |
| 742 | |
| 581 | 743 // Return a copy of the operator or keyword names. |
| 3016 | 744 static string_vector |
|
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745 names (const map_type& lst) |
| 1 | 746 { |
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747 string_vector retval (lst.size ()); |
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748 int j = 0; |
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749 for (map_iter iter = lst.begin (); iter != lst.end (); iter ++) |
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750 retval [j++] = iter->first; |
| 1755 | 751 return retval; |
| 1 | 752 } |
| 753 | |
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754 const static map_type operators_map (operators, operators + size (operators)); |
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755 const static map_type keywords_map (keywords, keywords + size (keywords)); |
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756 const static string_vector keyword_names = names (keywords_map); |
| 1 | 757 |
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758 // FIXME -- It's not likely that this does the right thing now. |
| 3016 | 759 |
| 760 string_vector | |
| 761 make_name_list (void) | |
| 762 { | |
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763 const int key_len = keyword_names.length (); |
| 3016 | 764 |
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765 const string_vector bif = symbol_table::built_in_function_names (); |
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766 const int bif_len = bif.length (); |
| 4009 | 767 |
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768 const string_vector cfl = symbol_table::cmdline_function_names (); |
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769 const int cfl_len = cfl.length (); |
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770 |
|
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771 const string_vector lcl = symbol_table::variable_names (); |
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772 const int lcl_len = lcl.length (); |
| 3016 | 773 |
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774 const string_vector ffl = load_path::fcn_names (); |
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775 const int ffl_len = ffl.length (); |
| 3016 | 776 |
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777 const string_vector afl = autoloaded_functions (); |
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778 const int afl_len = afl.length (); |
| 5592 | 779 |
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780 const int total_len |
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781 = key_len + bif_len + cfl_len + lcl_len + ffl_len + afl_len; |
| 3016 | 782 |
| 783 string_vector list (total_len); | |
| 784 | |
| 785 // Put all the symbols in one big list. | |
| 786 | |
| 787 int j = 0; | |
| 788 int i = 0; | |
| 789 for (i = 0; i < key_len; i++) | |
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790 list[j++] = keyword_names[i]; |
| 3016 | 791 |
| 7336 | 792 for (i = 0; i < bif_len; i++) |
| 793 list[j++] = bif[i]; | |
| 4009 | 794 |
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795 for (i = 0; i < cfl_len; i++) |
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796 list[j++] = cfl[i]; |
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797 |
| 3016 | 798 for (i = 0; i < lcl_len; i++) |
| 799 list[j++] = lcl[i]; | |
| 800 | |
| 801 for (i = 0; i < ffl_len; i++) | |
| 802 list[j++] = ffl[i]; | |
| 803 | |
| 5592 | 804 for (i = 0; i < afl_len; i++) |
| 805 list[j++] = afl[i]; | |
| 806 | |
| 3016 | 807 return list; |
| 808 } | |
| 809 | |
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810 static bool |
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811 looks_like_html (const std::string& msg) |
| 3014 | 812 { |
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813 const size_t p1 = msg.find ('\n'); |
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814 std::string t = msg.substr (0, p1); |
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815 const size_t p2 = t.find ("<html"); // FIXME: this comparison should be case-insensitive |
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816 |
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817 return (p2 != std::string::npos); |
| 2470 | 818 } |
| 3014 | 819 |
| 820 static bool | |
| 3523 | 821 looks_like_texinfo (const std::string& msg, size_t& p1) |
| 3295 | 822 { |
| 823 p1 = msg.find ('\n'); | |
| 824 | |
| 3523 | 825 std::string t = msg.substr (0, p1); |
| 3295 | 826 |
| 8021 | 827 if (p1 == std::string::npos) |
| 3295 | 828 p1 = 0; |
| 829 | |
| 830 size_t p2 = t.find ("-*- texinfo -*-"); | |
| 831 | |
| 8021 | 832 return (p2 != std::string::npos); |
| 3295 | 833 } |
| 834 | |
| 3355 | 835 static bool |
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836 raw_help_from_symbol_table (const std::string& nm, std::string& h, |
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837 std::string& w, bool& symbol_found) |
| 3355 | 838 { |
| 839 bool retval = false; | |
| 840 | |
| 7336 | 841 octave_value val = symbol_table::find_function (nm); |
| 3355 | 842 |
| 7336 | 843 if (val.is_defined ()) |
| 3355 | 844 { |
| 7336 | 845 octave_function *fcn = val.function_value (); |
| 846 | |
| 847 if (fcn) | |
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848 { |
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849 symbol_found = true; |
| 5399 | 850 |
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851 h = fcn->doc_string (); |
| 7336 | 852 |
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853 retval = true; |
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854 |
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855 w = fcn->fcn_file_name (); |
| 6243 | 856 |
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857 if (w.empty ()) |
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858 w = fcn->is_user_function () |
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859 ? "command-line function" : "built-in function"; |
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860 } |
| 6243 | 861 } |
| 3355 | 862 |
| 6243 | 863 return retval; |
| 864 } | |
| 865 | |
| 866 static bool | |
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867 raw_help_from_file (const std::string& nm, std::string& h, |
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868 std::string& file, bool& symbol_found) |
| 6243 | 869 { |
| 870 bool retval = false; | |
| 871 | |
|
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872 // FIXME -- this is a bit of a kluge... |
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873 unwind_protect frame; |
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874 frame.protect_var (reading_script_file); |
|
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875 reading_script_file = true; |
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876 |
| 6243 | 877 h = get_help_from_file (nm, symbol_found, file); |
| 878 | |
| 879 if (h.length () > 0) | |
| 880 retval = true; | |
| 881 | |
| 882 return retval; | |
| 883 } | |
| 884 | |
| 885 static bool | |
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886 raw_help_from_map (const std::string& nm, std::string& h, |
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887 const map_type& map, bool& symbol_found) |
| 3355 | 888 { |
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889 map_iter idx = map.find (nm); |
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890 symbol_found = (idx != map.end ()); |
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891 h = (symbol_found) ? idx->second : ""; |
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892 return symbol_found; |
| 3355 | 893 } |
| 894 | |
| 6243 | 895 std::string |
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896 raw_help (const std::string& nm, bool& symbol_found) |
| 6243 | 897 { |
| 898 std::string h; | |
| 899 std::string w; | |
| 900 std::string f; | |
| 901 | |
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902 (raw_help_from_symbol_table (nm, h, w, symbol_found) |
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903 || raw_help_from_file (nm, h, f, symbol_found) |
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904 || raw_help_from_map (nm, h, operators_map, symbol_found) |
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905 || raw_help_from_map (nm, h, keywords_map, symbol_found)); |
| 6243 | 906 |
| 907 return h; | |
| 908 } | |
| 909 | |
| 1140 | 910 static void |
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911 do_get_help_text (const std::string& name, std::string& text, |
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912 std::string& format) |
| 1140 | 913 { |
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914 bool symbol_found = false; |
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915 text = raw_help (name, symbol_found); |
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916 |
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917 format = "Not found"; |
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918 if (symbol_found) |
| 1140 | 919 { |
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920 size_t idx = -1; |
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921 if (text.empty ()) |
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922 { |
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923 format = "Not documented"; |
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924 } |
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925 else if (looks_like_texinfo (text, idx)) |
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926 { |
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927 format = "texinfo"; |
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928 text.erase (0, idx); |
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929 } |
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930 else if (looks_like_html (text)) |
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931 { |
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932 format = "html"; |
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933 } |
| 5399 | 934 else |
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935 { |
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936 format = "plain text"; |
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937 } |
| 1140 | 938 } |
| 939 } | |
| 940 | |
|
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941 DEFUN (get_help_text, args, , "-*- texinfo -*-\n\ |
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942 @deftypefn {Loadable Function} {[@var{text}, @var{format}] =} get_help_text (@var{name})\n\ |
|
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943 Return the raw help text of function @var{name}.\n\ |
| 3168 | 944 \n\ |
|
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|
945 The raw help text is returned in @var{text} and the format in @var{format}\n\ |
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|
946 The format is a string which is one of @t{\"texinfo\"}, @t{\"html\"}, or\n\ |
|
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947 @t{\"plain text\"}.\n\ |
|
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|
948 @end deftypefn") |
| 529 | 949 { |
| 2086 | 950 octave_value_list retval; |
| 529 | 951 |
|
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952 if (args.length () == 1) |
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953 { |
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954 const std::string name = args (0).string_value (); |
| 1755 | 955 |
|
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956 if (! error_state) |
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957 { |
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958 std::string text; |
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959 std::string format; |
| 529 | 960 |
|
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961 do_get_help_text (name, text, format); |
|
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962 |
|
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963 retval(1) = format; |
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964 retval(0) = text; |
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965 } |
|
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966 else |
|
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967 error ("get_help_text: invalid input"); |
|
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968 } |
| 529 | 969 else |
|
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970 print_usage (); |
| 529 | 971 |
| 972 return retval; | |
| 973 } | |
| 974 | |
|
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975 static void |
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976 do_get_help_text_from_file (const std::string& fname, std::string& text, |
|
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977 std::string& format) |
|
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978 { |
|
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979 bool symbol_found = false; |
|
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980 |
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981 std::string f; |
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982 |
|
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983 raw_help_from_file (fname, text, f, symbol_found); |
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984 |
|
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985 format = "Not found"; |
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986 if (symbol_found) |
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987 { |
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988 size_t idx = -1; |
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989 if (text.empty ()) |
|
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990 { |
|
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991 format = "Not documented"; |
|
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992 } |
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993 else if (looks_like_texinfo (text, idx)) |
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994 { |
|
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995 format = "texinfo"; |
|
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996 text.erase (0, idx); |
|
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997 } |
|
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998 else if (looks_like_html (text)) |
|
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999 { |
|
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1000 format = "html"; |
|
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1001 } |
|
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1002 else |
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|
1003 { |
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1004 format = "plain text"; |
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1005 } |
|
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1006 } |
|
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1007 } |
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1008 |
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1009 DEFUN (get_help_text_from_file, args, , |
|
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1010 "-*- texinfo -*-\n\ |
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1011 @deftypefn {Loadable Function} {[@var{text}, @var{format}] =} get_help_text_from_file (@var{fname})\n\ |
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1012 Return the raw help text from the file @var{fname}.\n\ |
|
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1013 \n\ |
|
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1014 The raw help text is returned in @var{text} and the format in @var{format}\n\ |
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1015 The format is a string which is one of @t{\"texinfo\"}, @t{\"html\"}, or\n\ |
|
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1016 @t{\"plain text\"}.\n\ |
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1017 @end deftypefn") |
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1018 { |
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1019 octave_value_list retval; |
|
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1020 |
|
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1021 if (args.length () == 1) |
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1022 { |
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1023 const std::string fname = args(0).string_value (); |
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1024 |
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1025 if (! error_state) |
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1026 { |
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1027 std::string text; |
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1028 std::string format; |
|
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1029 |
|
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1030 do_get_help_text_from_file (fname, text, format); |
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1031 |
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1032 retval(1) = format; |
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1033 retval(0) = text; |
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1034 } |
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1035 else |
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1036 error ("get_help_text_from_file: invalid input"); |
|
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1037 } |
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1038 else |
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1039 print_usage (); |
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1040 |
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1041 return retval; |
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1042 } |
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1043 |
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1044 // Return a cell array of strings containing the names of all |
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1045 // operators. |
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1046 |
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1047 DEFUN (__operators__, , , |
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1048 "-*- texinfo -*-\n\ |
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1049 @deftypefn {Function File} __operators__ ()\n\ |
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1050 Undocumented internal function.\n\ |
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1051 @end deftypefn") |
| 3355 | 1052 { |
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1053 return octave_value (Cell (names (operators_map))); |
| 3355 | 1054 } |
| 1055 | |
|
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1056 // Return a cell array of strings containing the names of all |
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1057 // keywords. |
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1058 |
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1059 DEFUN (__keywords__, , , |
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1060 "-*- texinfo -*-\n\ |
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1061 @deftypefn {Function File} __keywords__ ()\n\ |
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1062 Undocumented internal function.\n\ |
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1063 @end deftypefn") |
| 581 | 1064 { |
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1065 return octave_value (Cell (names (keywords_map))); |
| 581 | 1066 } |
| 1067 | |
|
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1068 // Return a cell array of strings containing the names of all builtin |
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1069 // functions. |
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1070 |
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1071 DEFUN (__builtins__, , , |
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1072 "-*- texinfo -*-\n\ |
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|
1073 @deftypefn {Function File} __builtins__ ()\n\ |
|
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|
1074 Undocumented internal function.\n\ |
|
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|
1075 @end deftypefn") |
| 3355 | 1076 { |
|
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1077 const string_vector bif = symbol_table::built_in_function_names (); |
| 3355 | 1078 |
|
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1079 return octave_value (Cell (bif)); |
| 3355 | 1080 } |
| 1081 | |
|
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1082 static std::string |
|
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|
1083 do_which (const std::string& name, std::string& type) |
| 3355 | 1084 { |
|
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|
1085 std::string file; |
|
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|
1086 |
|
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|
1087 type = std::string (); |
| 3355 | 1088 |
| 7336 | 1089 octave_value val = symbol_table::find_function (name); |
| 1090 | |
|
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1091 if (name.find_first_of ('.') == std::string::npos) |
| 3355 | 1092 { |
|
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1093 if (val.is_defined ()) |
|
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1094 { |
|
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1095 octave_function *fcn = val.function_value (); |
| 7336 | 1096 |
|
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1097 if (fcn) |
|
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1098 { |
|
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1099 file = fcn->fcn_file_name (); |
| 3355 | 1100 |
|
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1101 if (file.empty ()) |
|
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1102 { |
|
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1103 if (fcn->is_user_function ()) |
|
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1104 type = "command-line function"; |
|
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1105 else |
|
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1106 type = "built-in function"; |
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1107 } |
|
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|
1108 else |
|
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1109 type = val.is_user_script () |
|
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1110 ? std::string ("script") : std::string ("function"); |
|
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1111 } |
|
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1112 } |
|
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|
1113 else |
|
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1114 { |
|
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1115 // We might find a file that contains only a doc string. |
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1116 |
|
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1117 file = load_path::find_fcn_file (name); |
|
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1118 } |
| 7336 | 1119 } |
|
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1120 else |
|
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|
1121 { |
|
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1122 // File query. |
|
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1123 |
|
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1124 // For compatibility: "file." queries "file". |
|
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1125 if (name.size () > 1 && name[name.size () - 1] == '.') |
|
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1126 file = load_path::find_file (name.substr (0, name.size () - 1)); |
|
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1127 else |
|
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|
1128 file = load_path::find_file (name); |
|
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1129 } |
|
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1130 |
|
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1131 |
|
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1132 return file; |
| 3355 | 1133 } |
| 1134 | |
|
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1135 std::string |
|
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|
1136 do_which (const std::string& name) |
|
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1137 { |
|
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1138 std::string retval; |
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1139 |
|
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1140 std::string type; |
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1141 |
|
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1142 retval = do_which (name, type); |
|
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1143 |
|
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1144 return retval; |
|
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1145 } |
|
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1146 |
|
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|
1147 DEFUN (__which__, args, , |
| 3361 | 1148 "-*- texinfo -*-\n\ |
|
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1149 @deftypefn {Built-in Function} {} __which__ (@var{name}, @dots{})\n\ |
|
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1150 Undocumented internal function.\n\ |
|
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|
1151 @end deftypefn") |
| 581 | 1152 { |
|
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|
1153 octave_value retval; |
| 581 | 1154 |
| 1968 | 1155 string_vector argv = args.make_argv ("which"); |
| 1755 | 1156 |
| 3355 | 1157 if (! error_state) |
| 1158 { | |
| 1159 int argc = argv.length (); | |
| 581 | 1160 |
| 3355 | 1161 if (argc > 1) |
|
10315
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|
1162 { |
|
11059
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|
1163 octave_map m (dim_vector (1, argc-1)); |
|
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|
1164 |
|
10315
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|
1165 Cell names (1, argc-1); |
|
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|
1166 Cell files (1, argc-1); |
|
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|
1167 Cell types (1, argc-1); |
|
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|
1168 |
|
10315
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|
1169 for (int i = 1; i < argc; i++) |
|
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1170 { |
|
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|
1171 std::string name = argv[i]; |
|
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|
1172 |
|
10315
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|
1173 std::string type; |
|
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|
1174 |
|
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|
1175 std::string file = do_which (name, type); |
| 3141 | 1176 |
|
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|
1177 names(i-1) = name; |
|
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|
1178 files(i-1) = file; |
|
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|
1179 types(i-1) = type; |
|
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1180 } |
|
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1181 |
|
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|
1182 m.assign ("name", names); |
|
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1183 m.assign ("file", files); |
|
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|
1184 m.assign ("type", types); |
|
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1185 |
|
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|
1186 retval = m; |
|
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|
1187 } |
| 3355 | 1188 else |
|
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|
1189 print_usage (); |
| 581 | 1190 } |
| 1191 | |
| 1192 return retval; | |
| 1193 } | |
| 1194 | |
|
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1195 // FIXME -- Are we sure this function always does the right thing? |
|
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1196 inline bool |
|
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|
1197 file_is_in_dir (const std::string filename, const std::string dir) |
| 5447 | 1198 { |
|
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1199 if (filename.find (dir) == 0) |
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1200 { |
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1201 const int dir_len = dir.size (); |
|
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1202 const int filename_len = filename.size (); |
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1203 const int max_allowed_seps = file_ops::is_dir_sep (dir [dir_len-1]) ? 0 : 1; |
|
11586
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1204 |
|
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1205 int num_seps = 0; |
|
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1206 for (int i = dir_len; i < filename_len; i++) |
|
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1207 if (file_ops::is_dir_sep (filename [i])) |
|
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1208 num_seps ++; |
|
11586
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1209 |
|
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1210 return (num_seps <= max_allowed_seps); |
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1211 } |
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1212 else |
|
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1213 return false; |
|
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1214 } |
| 5447 | 1215 |
|
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1216 // Return a cell array of strings containing the names of all |
|
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1217 // functions available in DIRECTORY. If no directory is given, search |
|
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1218 // the current path. |
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1219 |
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1220 DEFUN (__list_functions__, args, , |
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1221 "-*- texinfo -*-\n\ |
| 10840 | 1222 @deftypefn {Function File} {@var{retval} =} __list_functions__ ()\n\ |
| 1223 @deftypefnx {Function File} {@var{retval} =} __list_functions__ (@var{directory})\n\ | |
|
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1224 Undocumented internal function.\n\ |
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1225 @end deftypefn") |
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1226 { |
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1227 octave_value retval; |
| 5447 | 1228 |
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1229 // Get list of functions |
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1230 string_vector ffl = load_path::fcn_names (); |
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1231 string_vector afl = autoloaded_functions (); |
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1232 |
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1233 if (args.length () == 0) |
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1234 retval = Cell (ffl.append (afl)); |
| 5447 | 1235 else |
| 1236 { | |
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1237 std::string dir = args (0).string_value (); |
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1238 |
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1239 if (! error_state) |
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1240 { |
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1241 string_vector fl = load_path::files (dir, true); |
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1242 |
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1243 if (! error_state) |
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1244 { |
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1245 // Return a sorted list with unique entries (in case of |
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1246 // .m and .oct versions of the same function in a given |
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1247 // directory, for example). |
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1248 fl.sort (true); |
|
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1249 |
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1250 retval = Cell (fl); |
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1251 } |
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1252 } |
| 5447 | 1253 else |
|
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1254 error ("__list_functions__: DIRECTORY argument must be a string"); |
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1255 } |
| 5447 | 1256 |
| 1257 return retval; | |
| 1258 } | |
| 1259 | |
| 8861 | 1260 DEFUN (doc_cache_file, args, nargout, |
| 1261 "-*- texinfo -*-\n\ | |
| 10840 | 1262 @deftypefn {Built-in Function} {@var{val} =} doc_cache_file ()\n\ |
| 8861 | 1263 @deftypefnx {Built-in Function} {@var{old_val} =} doc_cache_file (@var{new_val})\n\ |
|
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1264 @deftypefnx {Built-in Function} {} doc_cache_file (@var{new_val}, \"local\")\n\ |
| 8861 | 1265 Query or set the internal variable that specifies the name of the\n\ |
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1266 Octave documentation cache file. A cache file significantly improves\n\ |
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1267 the performance of the @code{lookfor} command. The default value is \n\ |
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1268 @file{@var{octave-home}/share/octave/@var{version}/etc/doc-cache},\n\ |
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1269 in which @var{octave-home} is the root directory of the Octave installation,\n\ |
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1270 and @var{version} is the Octave version number.\n\ |
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1271 The default value may be overridden by the environment variable\n\ |
| 10840 | 1272 @w{@env{OCTAVE_DOC_CACHE_FILE}}, or the command line argument\n\ |
|
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1273 @samp{--doc-cache-file NAME}.\n\ |
|
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1274 \n\ |
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1275 When called from inside a function with the \"local\" option, the variable is\n\ |
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1276 changed locally for the function and any subroutines it calls. The original\n\ |
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1277 variable value is restored when exiting the function.\n\ |
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1278 @seealso{lookfor, info_program, doc, help, makeinfo_program}\n\ |
| 8861 | 1279 @end deftypefn") |
| 1280 { | |
| 1281 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (doc_cache_file); | |
| 1282 } | |
| 1283 | |
| 5794 | 1284 DEFUN (info_file, args, nargout, |
| 1285 "-*- texinfo -*-\n\ | |
| 10840 | 1286 @deftypefn {Built-in Function} {@var{val} =} info_file ()\n\ |
| 5794 | 1287 @deftypefnx {Built-in Function} {@var{old_val} =} info_file (@var{new_val})\n\ |
|
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1288 @deftypefnx {Built-in Function} {} info_file (@var{new_val}, \"local\")\n\ |
| 5794 | 1289 Query or set the internal variable that specifies the name of the\n\ |
| 1290 Octave info file. The default value is\n\ | |
|
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1291 @file{@var{octave-home}/info/octave.info}, in\n\ |
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1292 which @var{octave-home} is the root directory of the Octave installation.\n\ |
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1293 The default value may be overridden by the environment variable\n\ |
| 10840 | 1294 @w{@env{OCTAVE_INFO_FILE}}, or the command line argument\n\ |
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1295 @samp{--info-file NAME}.\n\ |
|
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1296 \n\ |
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1297 When called from inside a function with the \"local\" option, the variable is\n\ |
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1298 changed locally for the function and any subroutines it calls. The original\n\ |
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1299 variable value is restored when exiting the function.\n\ |
| 5794 | 1300 @seealso{info_program, doc, help, makeinfo_program}\n\ |
| 1301 @end deftypefn") | |
| 2202 | 1302 { |
| 5794 | 1303 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (info_file); |
| 2202 | 1304 } |
| 1305 | |
| 5794 | 1306 DEFUN (info_program, args, nargout, |
| 1307 "-*- texinfo -*-\n\ | |
| 10840 | 1308 @deftypefn {Built-in Function} {@var{val} =} info_program ()\n\ |
| 5794 | 1309 @deftypefnx {Built-in Function} {@var{old_val} =} info_program (@var{new_val})\n\ |
|
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1310 @deftypefnx {Built-in Function} {} info_program (@var{new_val}, \"local\")\n\ |
| 5794 | 1311 Query or set the internal variable that specifies the name of the\n\ |
| 7096 | 1312 info program to run. The default value is\n\ |
|
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1313 @file{@var{octave-home}/libexec/octave/@var{version}/exec/@var{arch}/info}\n\ |
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1314 in which @var{octave-home} is the root directory of the Octave installation,\n\ |
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1315 @var{version} is the Octave version number, and @var{arch}\n\ |
| 3686 | 1316 is the system type (for example, @code{i686-pc-linux-gnu}). The\n\ |
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1317 default value may be overridden by the environment variable\n\ |
| 10840 | 1318 @w{@env{OCTAVE_INFO_PROGRAM}}, or the command line argument\n\ |
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1319 @samp{--info-program NAME}.\n\ |
|
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1320 \n\ |
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1321 When called from inside a function with the \"local\" option, the variable is\n\ |
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1322 changed locally for the function and any subroutines it calls. The original\n\ |
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1323 variable value is restored when exiting the function.\n\ |
| 5794 | 1324 @seealso{info_file, doc, help, makeinfo_program}\n\ |
| 1325 @end deftypefn") | |
| 1326 { | |
| 1327 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (info_program); | |
| 1328 } | |
| 3686 | 1329 |
| 5794 | 1330 DEFUN (makeinfo_program, args, nargout, |
| 1331 "-*- texinfo -*-\n\ | |
| 10840 | 1332 @deftypefn {Built-in Function} {@var{val} =} makeinfo_program ()\n\ |
| 5794 | 1333 @deftypefnx {Built-in Function} {@var{old_val} =} makeinfo_program (@var{new_val})\n\ |
|
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1334 @deftypefnx {Built-in Function} {} makeinfo_program (@var{new_val}, \"local\")\n\ |
| 5794 | 1335 Query or set the internal variable that specifies the name of the\n\ |
|
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1336 program that Octave runs to format help text containing\n\ |
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1337 Texinfo markup commands. The default value is @code{makeinfo}.\n\ |
|
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1338 \n\ |
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1339 When called from inside a function with the \"local\" option, the variable is\n\ |
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1340 changed locally for the function and any subroutines it calls. The original\n\ |
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1341 variable value is restored when exiting the function.\n\ |
| 5794 | 1342 @seealso{info_file, info_program, doc, help}\n\ |
| 1343 @end deftypefn") | |
| 1344 { | |
| 1345 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (makeinfo_program); | |
| 1346 } | |
| 2202 | 1347 |
| 5794 | 1348 DEFUN (suppress_verbose_help_message, args, nargout, |
| 1349 "-*- texinfo -*-\n\ | |
| 10840 | 1350 @deftypefn {Built-in Function} {@var{val} =} suppress_verbose_help_message ()\n\ |
| 5794 | 1351 @deftypefnx {Built-in Function} {@var{old_val} =} suppress_verbose_help_message (@var{new_val})\n\ |
|
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1352 @deftypefnx {Built-in Function} {} suppress_verbose_help_message (@var{new_val}, \"local\")\n\ |
| 7001 | 1353 Query or set the internal variable that controls whether Octave\n\ |
| 5794 | 1354 will add additional help information to the end of the output from\n\ |
| 3332 | 1355 the @code{help} command and usage messages for built-in commands.\n\ |
|
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1356 \n\ |
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1357 When called from inside a function with the \"local\" option, the variable is\n\ |
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1358 changed locally for the function and any subroutines it calls. The original\n\ |
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1359 variable value is restored when exiting the function.\n\ |
| 5794 | 1360 @end deftypefn") |
| 1361 { | |
| 1362 return SET_INTERNAL_VARIABLE (suppress_verbose_help_message); | |
| 2189 | 1363 } |