Mercurial > hg > octave-nkf
annotate libinterp/corefcn/help.cc @ 17256:ee1d19174316
doc: Use 0x1d as record separator for joint compatibility with Texinfo 4.x and 5.x.
* doc/interpreter/mk_doc_cache.m, doc/interpreter/munge-texi.pl,
libinterp/corefcn/help.cc(install_built_in_docstrings), libinterp/gendoc.pl,
scripts/mkdoc.pl: Use 0x1d as record separator.
| author | Rik <rik@octave.org> |
|---|---|
| date | Thu, 15 Aug 2013 12:31:22 -0700 |
| parents | 3f4091dddc13 |
| children | bc924baa2c4e |
| rev | line source |
|---|---|
| 1 | 1 /* |
| 2 | |
|
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3 Copyright (C) 1993-2012 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 | |
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74 // Name of the file containing local Texinfo macros that are prepended |
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75 // to doc strings before processing. |
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76 // (--texi-macros-file) |
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77 std::string Vtexi_macros_file; |
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78 |
| 2202 | 79 // Name of the info file specified on command line. |
| 80 // (--info-file file) | |
| 3523 | 81 std::string Vinfo_file; |
| 2202 | 82 |
| 83 // Name of the info reader we'd like to use. | |
| 84 // (--info-program program) | |
| 5794 | 85 std::string Vinfo_program; |
| 2202 | 86 |
| 3686 | 87 // Name of the makeinfo program to run. |
| 5794 | 88 static std::string Vmakeinfo_program = "makeinfo"; |
| 3686 | 89 |
| 2189 | 90 // If TRUE, don't print additional help message in help and usage |
| 91 // functions. | |
| 5794 | 92 static bool Vsuppress_verbose_help_message = false; |
| 2189 | 93 |
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94 #include <map> |
| 3016 | 95 |
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96 typedef std::map<std::string, std::string> map_type; |
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97 typedef map_type::value_type pair_type; |
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98 typedef map_type::const_iterator map_iter; |
| 3016 | 99 |
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100 template<typename T, std::size_t z> |
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101 std::size_t |
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102 size (T const (&)[z]) |
| 1 | 103 { |
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104 return z; |
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105 } |
| 1 | 106 |
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107 const static pair_type operators[] = |
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108 { |
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109 pair_type ("!", |
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110 "-*- texinfo -*-\n\ |
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111 @deftypefn {Operator} {} !\n\ |
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112 Logical 'not' operator.\n\ |
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113 @seealso{~, not}\n\ |
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114 @end deftypefn"), |
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115 |
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116 pair_type ("~", |
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117 "-*- texinfo -*-\n\ |
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118 @deftypefn {Operator} {} ~\n\ |
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119 Logical 'not' operator.\n\ |
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120 @seealso{!, not}\n\ |
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121 @end deftypefn"), |
| 1 | 122 |
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123 pair_type ("!=", |
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124 "-*- texinfo -*-\n\ |
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125 @deftypefn {Operator} {} !=\n\ |
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126 Logical 'not equals' operator.\n\ |
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127 @seealso{~=, ne}\n\ |
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128 @end deftypefn"), |
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129 |
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130 pair_type ("~=", |
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131 "-*- texinfo -*-\n\ |
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132 @deftypefn {Operator} {} ~=\n\ |
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133 Logical 'not equals' operator.\n\ |
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134 @seealso{!=, ne}\n\ |
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135 @end deftypefn"), |
| 1 | 136 |
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137 pair_type ("\"", |
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138 "-*- texinfo -*-\n\ |
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139 @deftypefn {Operator} {} \"\n\ |
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140 String delimiter.\n\ |
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141 @end deftypefn"), |
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142 |
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143 pair_type ("#", |
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144 "-*- texinfo -*-\n\ |
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145 @deftypefn {Operator} {} #\n\ |
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146 Begin comment character.\n\ |
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147 @seealso{%, #@\\{}\n\ |
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148 @end deftypefn"), |
| 1 | 149 |
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150 pair_type ("%", |
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151 "-*- texinfo -*-\n\ |
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152 @deftypefn {Operator} {} %\n\ |
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153 Begin comment character.\n\ |
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154 @seealso{#, %@\\{}\n\ |
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155 @end deftypefn"), |
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156 |
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157 pair_type ("#{", |
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158 "-*- texinfo -*-\n\ |
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159 @deftypefn {Operator} {} #@{\n\ |
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160 Begin block comment. There must be nothing else, other than\n\ |
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161 whitespace, in the line both before and after @code{#@{}.\n\ |
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162 It is possible to nest block comments.\n\ |
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163 @seealso{%@\\{, #@\\}, #}\n\ |
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164 @end deftypefn"), |
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165 |
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166 pair_type ("%{", |
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167 "-*- texinfo -*-\n\ |
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168 @deftypefn {Operator} {} %@{\n\ |
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169 Begin block comment. There must be nothing else, other than\n\ |
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170 whitespace, in the line both before and after @code{%@{}.\n\ |
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171 It is possible to nest block comments.\n\ |
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172 @seealso{#@\\{, %@\\}, %}\n\ |
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173 @end deftypefn"), |
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174 |
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175 pair_type ("#}", |
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176 "-*- texinfo -*-\n\ |
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177 @deftypefn {Operator} {} #@}\n\ |
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178 Close block comment. There must be nothing else, other than\n\ |
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179 whitespace, in the line both before and after @code{#@}}.\n\ |
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180 It is possible to nest block comments.\n\ |
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181 @seealso{%@\\}, #@\\{, #}\n\ |
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182 @end deftypefn"), |
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183 |
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184 pair_type ("%}", |
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185 "-*- texinfo -*-\n\ |
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186 @deftypefn {Operator} {} %@}\n\ |
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187 Close block comment. There must be nothing else, other than\n\ |
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188 whitespace, in the line both before and after @code{%@}}.\n\ |
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189 It is possible to nest block comments.\n\ |
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190 @seealso{#@\\}, %@\\{, %}\n\ |
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191 @end deftypefn"), |
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192 |
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193 pair_type ("...", |
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194 "-*- texinfo -*-\n\ |
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195 @deftypefn {Operator} {} ...\n\ |
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196 Continuation marker. Joins current line with following line.\n\ |
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197 @end deftypefn"), |
| 1 | 198 |
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199 pair_type ("&", |
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200 "-*- texinfo -*-\n\ |
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201 @deftypefn {Operator} {} &\n\ |
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202 Element by element logical 'and' operator.\n\ |
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203 @seealso{&&, and}\n\ |
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204 @end deftypefn"), |
| 1 | 205 |
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206 pair_type ("&&", |
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207 "-*- texinfo -*-\n\ |
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208 @deftypefn {Operator} {} &&\n\ |
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209 Logical 'and' operator (with short-circuit evaluation).\n\ |
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210 @seealso{&, and}\n\ |
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211 @end deftypefn"), |
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213 pair_type ("'", |
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214 "-*- texinfo -*-\n\ |
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215 @deftypefn {Operator} {} '\n\ |
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216 Matrix transpose operator. For complex matrices, computes the\n\ |
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217 complex conjugate (Hermitian) transpose.\n\ |
| 1 | 218 \n\ |
| 219 The single quote character may also be used to delimit strings, but\n\ | |
| 220 it is better to use the double quote character, since that is never\n\ | |
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221 ambiguous.\n\ |
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222 @seealso{.', transpose}\n\ |
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223 @end deftypefn"), |
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225 pair_type ("(", |
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226 "-*- texinfo -*-\n\ |
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227 @deftypefn {Operator} {} (\n\ |
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228 Array index or function argument delimiter.\n\ |
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229 @end deftypefn"), |
| 1 | 230 |
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231 pair_type (")", |
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232 "-*- texinfo -*-\n\ |
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233 @deftypefn {Operator} {} )\n\ |
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234 Array index or function argument delimiter.\n\ |
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235 @end deftypefn"), |
| 1 | 236 |
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237 pair_type ("*", |
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238 "-*- texinfo -*-\n\ |
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239 @deftypefn {Operator} {} *\n\ |
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240 Multiplication operator.\n\ |
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241 @seealso{.*, times}\n\ |
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242 @end deftypefn"), |
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244 pair_type ("**", |
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245 "-*- texinfo -*-\n\ |
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246 @deftypefn {Operator} {} **\n\ |
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247 Power operator. This may return complex results for real inputs. Use\n\ |
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248 @code{realsqrt}, @code{cbrt}, @code{nthroot}, or @code{realroot} to obtain\n\ |
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249 real results when possible.\n\ |
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250 @seealso{power, ^, .**, .^, realpow, realsqrt, cbrt, nthroot}\n\ |
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251 @end deftypefn"), |
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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 Power operator. This may return complex results for real inputs. Use\n\ |
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257 @code{realsqrt}, @code{cbrt}, @code{nthroot}, or @code{realroot} to obtain\n\ |
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258 real results when possible.\n\ |
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259 @seealso{power, **, .^, .**, realpow, realsqrt, cbrt, nthroot}\n\ |
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260 @end deftypefn"), |
| 1 | 261 |
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262 pair_type ("+", |
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263 "-*- texinfo -*-\n\ |
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264 @deftypefn {Operator} {} +\n\ |
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265 Addition operator.\n\ |
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266 @seealso{plus}\n\ |
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267 @end deftypefn"), |
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268 |
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269 pair_type ("++", |
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270 "-*- texinfo -*-\n\ |
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271 @deftypefn {Operator} {} ++\n\ |
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272 Increment operator. As in C, may be applied as a prefix or postfix\n\ |
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273 operator.\n\ |
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274 @seealso{--}\n\ |
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275 @end deftypefn"), |
| 1 | 276 |
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277 pair_type (",", |
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278 "-*- texinfo -*-\n\ |
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279 @deftypefn {Operator} {} ,\n\ |
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280 Array index, function argument, or command separator.\n\ |
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281 @end deftypefn"), |
| 1 | 282 |
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283 pair_type ("-", |
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284 "-*- texinfo -*-\n\ |
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285 @deftypefn {Operator} {} -\n\ |
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286 Subtraction or unary negation operator.\n\ |
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287 @seealso{minus}\n\ |
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288 @end deftypefn"), |
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289 |
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290 pair_type ("--", |
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291 "-*- texinfo -*-\n\ |
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292 @deftypefn {Operator} {} --\n\ |
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293 Decrement operator. As in C, may be applied as a prefix or postfix\n\ |
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294 operator.\n\ |
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295 @seealso{++}\n\ |
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296 @end deftypefn"), |
| 1 | 297 |
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298 pair_type (".'", |
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299 "-*- texinfo -*-\n\ |
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300 @deftypefn {Operator} {} .'\n\ |
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301 Matrix transpose operator. For complex matrices, computes the\n\ |
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302 transpose, @emph{not} the complex conjugate transpose.\n\ |
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303 @seealso{', transpose}\n\ |
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304 @end deftypefn"), |
| 1 | 305 |
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306 pair_type (".*", |
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307 "-*- texinfo -*-\n\ |
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308 @deftypefn {Operator} {} .*\n\ |
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309 Element by element multiplication operator.\n\ |
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310 @seealso{*, times}\n\ |
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311 @end deftypefn"), |
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313 pair_type (".**", |
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314 "-*- texinfo -*-\n\ |
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315 @deftypefn {Operator} {} .*\n\ |
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316 Element by element power operator. If several complex results are possible,\n\ |
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317 returns the one with smallest non-negative argument (angle). Use\n\ |
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318 @code{realpow}, @code{realsqrt}, @code{cbrt}, or @code{nthroot} if a\n\ |
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319 real result is preferred.\n\ |
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320 @seealso{**, ^, .^, power, realpow, realsqrt, cbrt, nthroot}\n\ |
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321 @end deftypefn"), |
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322 |
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323 pair_type (".^", |
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324 "-*- texinfo -*-\n\ |
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325 @deftypefn {Operator} {} .^\n\ |
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326 Element by element power operator. If several complex results are possible,\n\ |
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327 returns the one with smallest non-negative argument (angle). Use\n\ |
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328 @code{realpow}, @code{realsqrt}, @code{cbrt}, or @code{nthroot} if a\n\ |
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329 real result is preferred.\n\ |
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330 @seealso{.**, ^, **, power, realpow, realsqrt, cbrt, nthroot}\n\ |
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331 @end deftypefn"), |
| 1 | 332 |
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333 pair_type ("./", |
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334 "-*- texinfo -*-\n\ |
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335 @deftypefn {Operator} {} ./\n\ |
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336 Element by element right division operator.\n\ |
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337 @seealso{/, .\\, rdivide, mrdivide}\n\ |
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338 @end deftypefn"), |
| 1 | 339 |
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340 pair_type ("/", |
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341 "-*- texinfo -*-\n\ |
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342 @deftypefn {Operator} {} /\n\ |
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343 Right division operator.\n\ |
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344 @seealso{./, \\, rdivide, mrdivide}\n\ |
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345 @end deftypefn"), |
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346 |
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347 pair_type (".\\", |
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348 "-*- texinfo -*-\n\ |
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349 @deftypefn {Operator} {} .\\\n\ |
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350 Element by element left division operator.\n\ |
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351 @seealso{\\, ./, rdivide, mrdivide}\n\ |
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352 @end deftypefn"), |
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353 |
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354 pair_type ("\\", |
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355 "-*- texinfo -*-\n\ |
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356 @deftypefn {Operator} {} \\\n\ |
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357 Left division operator.\n\ |
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358 @seealso{.\\, /, ldivide, mldivide}\n\ |
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359 @end deftypefn"), |
| 1 | 360 |
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361 pair_type (":", |
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362 "-*- texinfo -*-\n\ |
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363 @deftypefn {Operator} {} :\n\ |
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364 Select entire rows or columns of matrices.\n\ |
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365 @end deftypefn"), |
| 1 | 366 |
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367 pair_type (";", |
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368 "-*- texinfo -*-\n\ |
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369 @deftypefn {Operator} {} ;\n\ |
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370 Array row or command separator.\n\ |
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371 @seealso{,}\n\ |
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372 @end deftypefn"), |
| 1 | 373 |
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374 pair_type ("<", |
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375 "-*- texinfo -*-\n\ |
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376 @deftypefn {Operator} {} <\n\ |
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377 'Less than' operator.\n\ |
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378 @seealso{lt}\n\ |
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379 @end deftypefn"), |
| 1 | 380 |
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381 pair_type ("<=", |
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382 "-*- texinfo -*-\n\ |
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383 @deftypefn {Operator} {} <=\n\ |
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384 'Less than' or 'equals' operator.\n\ |
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385 @seealso{le}\n\ |
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386 @end deftypefn"), |
| 1 | 387 |
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388 pair_type ("=", |
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389 "-*- texinfo -*-\n\ |
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390 @deftypefn {Operator} {} =\n\ |
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391 Assignment operator.\n\ |
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392 @end deftypefn"), |
| 1 | 393 |
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394 pair_type ("==", |
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395 "-*- texinfo -*-\n\ |
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396 @deftypefn {Operator} {} ==\n\ |
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397 Equality test operator.\n\ |
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398 @seealso{eq}\n\ |
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399 @end deftypefn"), |
| 1 | 400 |
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401 pair_type (">", |
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402 "-*- texinfo -*-\n\ |
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403 @deftypefn {Operator} {} >\n\ |
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404 'Greater than' operator.\n\ |
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405 @seealso{gt}\n\ |
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406 @end deftypefn"), |
| 1 | 407 |
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408 pair_type (">=", |
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409 "-*- texinfo -*-\n\ |
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410 @deftypefn {Operator} {} >=\n\ |
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411 'Greater than' or 'equals' operator.\n\ |
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412 @seealso{ge}\n\ |
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413 @end deftypefn"), |
| 1 | 414 |
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415 pair_type ("[", |
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416 "-*- texinfo -*-\n\ |
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417 @deftypefn {Operator} {} [\n\ |
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418 Return list delimiter.\n\ |
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419 @seealso{]}\n\ |
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420 @end deftypefn"), |
| 1 | 421 |
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422 pair_type ("]", |
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423 "-*- texinfo -*-\n\ |
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424 @deftypefn {Operator} {} ]\n\ |
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425 Return list delimiter.\n\ |
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426 @seealso{[}\n\ |
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427 @end deftypefn"), |
| 1 | 428 |
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429 pair_type ("|", |
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430 "-*- texinfo -*-\n\ |
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431 @deftypefn {Operator} {} |\n\ |
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432 Element by element logical 'or' operator.\n\ |
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433 @seealso{||, or}\n\ |
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434 @end deftypefn"), |
| 1 | 435 |
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436 pair_type ("||", |
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437 "-*- texinfo -*-\n\ |
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438 @deftypefn {Operator} {} ||\n\ |
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439 Logical 'or' (with short-circuit evaluation) operator.\n\ |
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440 @seealso{|, or}\n\ |
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441 @end deftypefn"), |
| 1 | 442 }; |
| 443 | |
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444 const static pair_type keywords[] = |
| 1 | 445 { |
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446 pair_type ("break", |
| 5818 | 447 "-*- texinfo -*-\n\ |
| 11547 | 448 @deftypefn {Keyword} {} break\n\ |
| 5818 | 449 Exit the innermost enclosing do, while or for loop.\n\ |
| 13246 | 450 @seealso{do, while, for, parfor, continue}\n\ |
| 11547 | 451 @end deftypefn"), |
| 5040 | 452 |
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453 pair_type ("case", |
| 5818 | 454 "-*- texinfo -*-\n\ |
| 11547 | 455 @deftypefn {Keyword} {} case @{@var{value}@}\n\ |
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456 A case statement in an switch. Octave cases are exclusive and do not\n\ |
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457 fall-through as do C-language cases. A switch statement must have at least\n\ |
| 5818 | 458 one case. See @code{switch} for an example.\n\ |
| 459 @seealso{switch}\n\ | |
| 11547 | 460 @end deftypefn"), |
| 1 | 461 |
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462 pair_type ("catch", |
| 5818 | 463 "-*- texinfo -*-\n\ |
| 11547 | 464 @deftypefn {Keyword} {} catch\n\ |
| 5818 | 465 Begin the cleanup part of a try-catch block.\n\ |
| 466 @seealso{try}\n\ | |
| 11547 | 467 @end deftypefn"), |
| 1489 | 468 |
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469 pair_type ("continue", |
| 5818 | 470 "-*- texinfo -*-\n\ |
| 11547 | 471 @deftypefn {Keyword} {} continue\n\ |
| 5818 | 472 Jump to the end of the innermost enclosing do, while or for loop.\n\ |
| 13246 | 473 @seealso{do, while, for, parfor, break}\n\ |
| 11547 | 474 @end deftypefn"), |
| 5040 | 475 |
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476 pair_type ("do", |
| 5818 | 477 "-*- texinfo -*-\n\ |
| 11547 | 478 @deftypefn {Keyword} {} do\n\ |
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479 Begin a do-until loop. This differs from a do-while loop in that the\n\ |
| 5818 | 480 body of the loop is executed at least once.\n\ |
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481 \n\ |
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482 @example\n\ |
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483 @group\n\ |
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484 i = 0;\n\ |
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485 do\n\ |
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486 i++\n\ |
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487 until (i == 10)\n\ |
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488 @end group\n\ |
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489 @end example\n\ |
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490 @seealso{for, until, while}\n\ |
| 11547 | 491 @end deftypefn"), |
| 1 | 492 |
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493 pair_type ("else", |
| 5818 | 494 "-*- texinfo -*-\n\ |
| 11547 | 495 @deftypefn {Keyword} {} else\n\ |
| 5818 | 496 Alternate action for an if block. See @code{if} for an example.\n\ |
| 497 @seealso{if}\n\ | |
| 11547 | 498 @end deftypefn"), |
| 1 | 499 |
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500 pair_type ("elseif", |
| 5818 | 501 "-*- texinfo -*-\n\ |
| 11547 | 502 @deftypefn {Keyword} {} elseif (@var{condition})\n\ |
| 5818 | 503 Alternate conditional test for an if block. See @code{if} for an example.\n\ |
| 504 @seealso{if}\n\ | |
| 11547 | 505 @end deftypefn"), |
| 1 | 506 |
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507 pair_type ("end", |
| 5818 | 508 "-*- texinfo -*-\n\ |
| 11547 | 509 @deftypefn {Keyword} {} end\n\ |
| 10840 | 510 Mark the end of any @code{for}, @code{if}, @code{do}, @code{while}, or\n\ |
| 511 @code{function} block.\n\ | |
| 13246 | 512 @seealso{for, parfor, if, do, while, function}\n\ |
| 11547 | 513 @end deftypefn"), |
| 928 | 514 |
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515 pair_type ("end_try_catch", |
| 5818 | 516 "-*- texinfo -*-\n\ |
| 11547 | 517 @deftypefn {Keyword} {} end_try_catch\n\ |
| 5818 | 518 Mark the end of an @code{try-catch} block.\n\ |
| 519 @seealso{try, catch}\n\ | |
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520 @end deftypefn"), |
| 1489 | 521 |
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522 pair_type ("end_unwind_protect", |
| 5818 | 523 "-*- texinfo -*-\n\ |
| 11547 | 524 @deftypefn {Keyword} {} end_unwind_protect\n\ |
| 5818 | 525 Mark the end of an unwind_protect block.\n\ |
| 526 @seealso{unwind_protect}\n\ | |
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527 @end deftypefn"), |
| 1 | 528 |
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529 pair_type ("endfor", |
| 5818 | 530 "-*- texinfo -*-\n\ |
| 11547 | 531 @deftypefn {Keyword} {} endfor\n\ |
| 5818 | 532 Mark the end of a for loop. See @code{for} for an example.\n\ |
| 533 @seealso{for}\n\ | |
| 11547 | 534 @end deftypefn"), |
| 1 | 535 |
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536 pair_type ("endfunction", |
| 5818 | 537 "-*- texinfo -*-\n\ |
| 11547 | 538 @deftypefn {Keyword} {} endfunction\n\ |
| 5818 | 539 Mark the end of a function.\n\ |
| 540 @seealso{function}\n\ | |
| 11547 | 541 @end deftypefn"), |
| 1 | 542 |
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543 pair_type ("endif", |
| 5818 | 544 "-*- texinfo -*-\n\ |
| 11547 | 545 @deftypefn {Keyword} {} endif\n\ |
| 5818 | 546 Mark the end of an if block. See @code{if} for an example.\n\ |
| 547 @seealso{if}\n\ | |
| 11547 | 548 @end deftypefn"), |
| 1 | 549 |
| 13246 | 550 pair_type ("endparfor", |
| 551 "-*- texinfo -*-\n\ | |
| 552 @deftypefn {Keyword} {} endparfor\n\ | |
| 553 Mark the end of a parfor loop. See @code{parfor} for an example.\n\ | |
| 554 @seealso{parfor}\n\ | |
| 555 @end deftypefn"), | |
| 556 | |
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557 pair_type ("endswitch", |
| 5818 | 558 "-*- texinfo -*-\n\ |
| 11547 | 559 @deftypefn {Keyword} {} endswitch\n\ |
| 5818 | 560 Mark the end of a switch block. See @code{switch} for an example.\n\ |
| 561 @seealso{switch}\n\ | |
| 11547 | 562 @end deftypefn"), |
| 5122 | 563 |
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564 pair_type ("endwhile", |
| 5818 | 565 "-*- texinfo -*-\n\ |
| 11547 | 566 @deftypefn {Keyword} {} endwhile\n\ |
| 5818 | 567 Mark the end of a while loop. See @code{while} for an example.\n\ |
| 568 @seealso{do, while}\n\ | |
| 11547 | 569 @end deftypefn"), |
| 1 | 570 |
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571 pair_type ("for", |
| 5818 | 572 "-*- texinfo -*-\n\ |
| 11547 | 573 @deftypefn {Keyword} {} for @var{i} = @var{range}\n\ |
| 5818 | 574 Begin a for loop.\n\ |
| 10840 | 575 \n\ |
| 5818 | 576 @example\n\ |
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577 @group\n\ |
| 5818 | 578 for i = 1:10\n\ |
| 579 i\n\ | |
| 580 endfor\n\ | |
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581 @end group\n\ |
| 5818 | 582 @end example\n\ |
| 13246 | 583 @seealso{do, parfor, while}\n\ |
| 11547 | 584 @end deftypefn"), |
| 1 | 585 |
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586 pair_type ("function", |
| 5818 | 587 "-*- texinfo -*-\n\ |
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588 @deftypefn {Keyword} {} function @var{outputs} = function (@var{input}, @dots{})\n\ |
| 11547 | 589 @deftypefnx {Keyword} {} function {} function (@var{input}, @dots{})\n\ |
| 590 @deftypefnx {Keyword} {} function @var{outputs} = function\n\ | |
| 5818 | 591 Begin a function body with @var{outputs} as results and @var{inputs} as\n\ |
| 592 parameters.\n\ | |
| 593 @seealso{return}\n\ | |
| 11547 | 594 @end deftypefn"), |
| 1 | 595 |
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596 pair_type ("global", |
| 5818 | 597 "-*- texinfo -*-\n\ |
| 11547 | 598 @deftypefn {Keyword} {} global\n\ |
| 5818 | 599 Declare variables to have global scope.\n\ |
| 10840 | 600 \n\ |
| 5818 | 601 @example\n\ |
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602 @group\n\ |
| 5818 | 603 global @var{x};\n\ |
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604 if (isempty (@var{x}))\n\ |
| 5818 | 605 x = 1;\n\ |
| 606 endif\n\ | |
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607 @end group\n\ |
| 5818 | 608 @end example\n\ |
| 609 @seealso{persistent}\n\ | |
| 11547 | 610 @end deftypefn"), |
| 1 | 611 |
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612 pair_type ("if", |
| 5393 | 613 "-*- texinfo -*-\n\ |
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614 @deftypefn {Keyword} {} if (@var{cond}) @dots{} endif\n\ |
| 11547 | 615 @deftypefnx {Keyword} {} if (@var{cond}) @dots{} else @dots{} endif\n\ |
| 616 @deftypefnx {Keyword} {} if (@var{cond}) @dots{} elseif (@var{cond}) @dots{} endif\n\ | |
| 617 @deftypefnx {Keyword} {} if (@var{cond}) @dots{} elseif (@var{cond}) @dots{} else @dots{} endif\n\ | |
| 5393 | 618 Begin an if block.\n\ |
| 10840 | 619 \n\ |
| 5818 | 620 @example\n\ |
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621 @group\n\ |
| 5818 | 622 x = 1;\n\ |
| 623 if (x == 1)\n\ | |
| 624 disp (\"one\");\n\ | |
| 625 elseif (x == 2)\n\ | |
| 626 disp (\"two\");\n\ | |
| 627 else\n\ | |
| 628 disp (\"not one or two\");\n\ | |
| 629 endif\n\ | |
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630 @end group\n\ |
| 5818 | 631 @end example\n\ |
| 5646 | 632 @seealso{switch}\n\ |
| 11547 | 633 @end deftypefn"), |
| 1 | 634 |
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635 pair_type ("otherwise", |
| 5818 | 636 "-*- texinfo -*-\n\ |
| 11547 | 637 @deftypefn {Keyword} {} otherwise\n\ |
| 5818 | 638 The default statement in a switch block (similar to else in an if block).\n\ |
| 639 @seealso{switch}\n\ | |
| 11547 | 640 @end deftypefn"), |
| 5040 | 641 |
| 13246 | 642 pair_type ("parfor", |
| 643 "-*- texinfo -*-\n\ | |
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644 @deftypefn {Keyword} {} for @var{i} = @var{range}\n\ |
| 13246 | 645 @deftypefnx {Keyword} {} for (@var{i} = @var{range}, @var{maxproc})\n\ |
| 646 Begin a for loop that may execute in parallel.\n\ | |
| 647 \n\ | |
| 648 @example\n\ | |
| 649 @group\n\ | |
| 650 parfor i = 1:10\n\ | |
| 651 i\n\ | |
| 652 endparfor\n\ | |
| 653 @end group\n\ | |
| 654 @end example\n\ | |
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655 @seealso{for, do, while}\n\ |
| 13246 | 656 @end deftypefn"), |
| 657 | |
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658 pair_type ("persistent", |
| 5818 | 659 "-*- texinfo -*-\n\ |
| 11547 | 660 @deftypefn {Keyword} {} persistent @var{var}\n\ |
| 5818 | 661 Declare variables as persistent. A variable that has been declared\n\ |
| 5623 | 662 persistent within a function will retain its contents in memory between\n\ |
| 663 subsequent calls to the same function. The difference between persistent\n\ | |
| 5818 | 664 variables and global variables is that persistent variables are local in \n\ |
| 665 scope to a particular function and are not visible elsewhere.\n\ | |
| 666 @seealso{global}\n\ | |
| 11547 | 667 @end deftypefn"), |
| 4686 | 668 |
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669 pair_type ("return", |
| 5818 | 670 "-*- texinfo -*-\n\ |
| 11547 | 671 @deftypefn {Keyword} {} return\n\ |
| 5818 | 672 Return from a function.\n\ |
| 673 @seealso{function}\n\ | |
| 11547 | 674 @end deftypefn"), |
| 928 | 675 |
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676 pair_type ("static", |
| 5818 | 677 "-*- texinfo -*-\n\ |
| 11547 | 678 @deftypefn {Keyword} {} static\n\ |
| 5818 | 679 This function has been deprecated in favor of persistent.\n\ |
| 680 @seealso{persistent}\n\ | |
| 11547 | 681 @end deftypefn"), |
| 5040 | 682 |
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683 pair_type ("switch", |
| 5818 | 684 "-*- texinfo -*-\n\ |
| 11547 | 685 @deftypefn {Keyword} {} switch @var{statement}\n\ |
| 5818 | 686 Begin a switch block.\n\ |
| 10840 | 687 \n\ |
| 5818 | 688 @example\n\ |
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689 @group\n\ |
| 5818 | 690 yesno = \"yes\"\n\ |
| 691 \n\ | |
| 692 switch yesno\n\ | |
| 5832 | 693 case @{\"Yes\" \"yes\" \"YES\" \"y\" \"Y\"@}\n\ |
| 5818 | 694 value = 1;\n\ |
| 5832 | 695 case @{\"No\" \"no\" \"NO\" \"n\" \"N\"@}\n\ |
| 5818 | 696 value = 0;\n\ |
| 697 otherwise\n\ | |
| 698 error (\"invalid value\");\n\ | |
| 699 endswitch\n\ | |
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700 @end group\n\ |
| 5818 | 701 @end example\n\ |
| 702 @seealso{if, case, otherwise}\n\ | |
| 11547 | 703 @end deftypefn"), |
| 5040 | 704 |
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705 pair_type ("try", |
| 5818 | 706 "-*- texinfo -*-\n\ |
| 11547 | 707 @deftypefn {Keyword} {} try\n\ |
| 5818 | 708 Begin a try-catch block.\n\ |
| 6138 | 709 \n\ |
| 710 If an error occurs within a try block, then the catch code will be run and\n\ | |
| 711 execution will proceed after the catch block (though it is often\n\ | |
| 712 recommended to use the lasterr function to re-throw the error after cleanup\n\ | |
| 713 is completed).\n\ | |
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714 @seealso{catch, unwind_protect}\n\ |
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715 @end deftypefn"), |
| 1489 | 716 |
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717 pair_type ("until", |
| 5818 | 718 "-*- texinfo -*-\n\ |
| 11547 | 719 @deftypefn {Keyword} {} until\n\ |
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720 End a do-until loop. See @code{do} for an example.\n\ |
| 5818 | 721 @seealso{do}\n\ |
| 11547 | 722 @end deftypefn"), |
| 5040 | 723 |
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724 pair_type ("unwind_protect", |
| 5818 | 725 "-*- texinfo -*-\n\ |
| 11547 | 726 @deftypefn {Keyword} {} unwind_protect\n\ |
| 5818 | 727 Begin an unwind_protect block.\n\ |
| 6138 | 728 \n\ |
| 729 If an error occurs within the first part of an unwind_protect block\n\ | |
| 730 the commands within the unwind_protect_cleanup block are executed before\n\ | |
| 731 the error is thrown. If an error is not thrown, then the\n\ | |
| 732 unwind_protect_cleanup block is still executed (in other words, the\n\ | |
| 733 unwind_protect_cleanup will be run with or without an error in the\n\ | |
| 734 unwind_protect block).\n\ | |
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735 @seealso{unwind_protect_cleanup, try}\n\ |
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736 @end deftypefn"), |
| 928 | 737 |
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738 pair_type ("unwind_protect_cleanup", |
| 5818 | 739 "-*- texinfo -*-\n\ |
| 11547 | 740 @deftypefn {Keyword} {} unwind_protect_cleanup\n\ |
| 5818 | 741 Begin the cleanup section of an unwind_protect block.\n\ |
| 742 @seealso{unwind_protect}\n\ | |
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743 @end deftypefn"), |
| 1 | 744 |
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745 pair_type ("varargin", |
| 5818 | 746 "-*- texinfo -*-\n\ |
| 11547 | 747 @deftypefn {Keyword} {} varargin\n\ |
| 5818 | 748 Pass an arbitrary number of arguments into a function.\n\ |
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749 @seealso{varargout, nargin, isargout, nargout, nthargout}\n\ |
| 11547 | 750 @end deftypefn"), |
| 5040 | 751 |
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752 pair_type ("varargout", |
| 5818 | 753 "-*- texinfo -*-\n\ |
| 11547 | 754 @deftypefn {Keyword} {} varargout\n\ |
| 5818 | 755 Pass an arbitrary number of arguments out of a function.\n\ |
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756 @seealso{varargin, nargin, isargout, nargout, nthargout}\n\ |
| 11547 | 757 @end deftypefn"), |
| 5040 | 758 |
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759 pair_type ("while", |
| 5818 | 760 "-*- texinfo -*-\n\ |
| 11547 | 761 @deftypefn {Keyword} {} while\n\ |
| 5818 | 762 Begin a while loop.\n\ |
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763 \n\ |
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764 @example\n\ |
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765 @group\n\ |
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766 i = 0;\n\ |
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767 while (i < 10)\n\ |
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768 i++\n\ |
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769 endwhile\n\ |
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770 @end group\n\ |
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771 @end example\n\ |
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772 @seealso{do, endwhile, for, until}\n\ |
| 11547 | 773 @end deftypefn"), |
| 1 | 774 }; |
| 775 | |
| 581 | 776 // Return a copy of the operator or keyword names. |
| 3016 | 777 static string_vector |
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778 names (const map_type& lst) |
| 1 | 779 { |
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780 string_vector retval (lst.size ()); |
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781 int j = 0; |
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782 for (map_iter iter = lst.begin (); iter != lst.end (); iter ++) |
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783 retval[j++] = iter->first; |
| 1755 | 784 return retval; |
| 1 | 785 } |
| 786 | |
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787 const static map_type operators_map (operators, operators + size (operators)); |
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788 const static map_type keywords_map (keywords, keywords + size (keywords)); |
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789 const static string_vector keyword_names = names (keywords_map); |
| 1 | 790 |
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791 // FIXME -- It's not likely that this does the right thing now. |
| 3016 | 792 |
| 793 string_vector | |
| 794 make_name_list (void) | |
| 795 { | |
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796 const int key_len = keyword_names.length (); |
| 3016 | 797 |
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798 const string_vector bif = symbol_table::built_in_function_names (); |
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799 const int bif_len = bif.length (); |
| 4009 | 800 |
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801 const string_vector cfl = symbol_table::cmdline_function_names (); |
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802 const int cfl_len = cfl.length (); |
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803 |
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804 const string_vector lcl = symbol_table::variable_names (); |
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805 const int lcl_len = lcl.length (); |
| 3016 | 806 |
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807 const string_vector ffl = load_path::fcn_names (); |
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808 const int ffl_len = ffl.length (); |
| 3016 | 809 |
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810 const string_vector afl = autoloaded_functions (); |
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811 const int afl_len = afl.length (); |
| 5592 | 812 |
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813 const int total_len |
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814 = key_len + bif_len + cfl_len + lcl_len + ffl_len + afl_len; |
| 3016 | 815 |
| 816 string_vector list (total_len); | |
| 817 | |
| 818 // Put all the symbols in one big list. | |
| 819 | |
| 820 int j = 0; | |
| 821 int i = 0; | |
| 822 for (i = 0; i < key_len; i++) | |
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823 list[j++] = keyword_names[i]; |
| 3016 | 824 |
| 7336 | 825 for (i = 0; i < bif_len; i++) |
| 826 list[j++] = bif[i]; | |
| 4009 | 827 |
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828 for (i = 0; i < cfl_len; i++) |
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829 list[j++] = cfl[i]; |
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830 |
| 3016 | 831 for (i = 0; i < lcl_len; i++) |
| 832 list[j++] = lcl[i]; | |
| 833 | |
| 834 for (i = 0; i < ffl_len; i++) | |
| 835 list[j++] = ffl[i]; | |
| 836 | |
| 5592 | 837 for (i = 0; i < afl_len; i++) |
| 838 list[j++] = afl[i]; | |
| 839 | |
| 3016 | 840 return list; |
| 841 } | |
| 842 | |
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843 static bool |
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844 looks_like_html (const std::string& msg) |
| 3014 | 845 { |
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846 const size_t p1 = msg.find ('\n'); |
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847 std::string t = msg.substr (0, p1); |
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848 const size_t p2 = t.find ("<html"); // FIXME: this comparison should be case-insensitive |
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849 |
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850 return (p2 != std::string::npos); |
| 2470 | 851 } |
| 3014 | 852 |
| 853 static bool | |
| 3523 | 854 looks_like_texinfo (const std::string& msg, size_t& p1) |
| 3295 | 855 { |
| 856 p1 = msg.find ('\n'); | |
| 857 | |
| 3523 | 858 std::string t = msg.substr (0, p1); |
| 3295 | 859 |
| 8021 | 860 if (p1 == std::string::npos) |
| 3295 | 861 p1 = 0; |
| 862 | |
| 863 size_t p2 = t.find ("-*- texinfo -*-"); | |
| 864 | |
| 8021 | 865 return (p2 != std::string::npos); |
| 3295 | 866 } |
| 867 | |
| 3355 | 868 static bool |
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869 raw_help_from_symbol_table (const std::string& nm, std::string& h, |
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870 std::string& w, bool& symbol_found) |
| 3355 | 871 { |
| 872 bool retval = false; | |
| 873 | |
| 7336 | 874 octave_value val = symbol_table::find_function (nm); |
| 3355 | 875 |
| 7336 | 876 if (val.is_defined ()) |
| 3355 | 877 { |
| 7336 | 878 octave_function *fcn = val.function_value (); |
| 879 | |
| 880 if (fcn) | |
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881 { |
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882 symbol_found = true; |
| 5399 | 883 |
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884 h = fcn->doc_string (); |
| 7336 | 885 |
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886 retval = true; |
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887 |
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888 w = fcn->fcn_file_name (); |
| 6243 | 889 |
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890 if (w.empty ()) |
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891 w = fcn->is_user_function () |
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892 ? "command-line function" : "built-in function"; |
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893 } |
| 6243 | 894 } |
| 3355 | 895 |
| 6243 | 896 return retval; |
| 897 } | |
| 898 | |
| 899 static bool | |
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900 raw_help_from_file (const std::string& nm, std::string& h, |
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901 std::string& file, bool& symbol_found) |
| 6243 | 902 { |
| 903 bool retval = false; | |
| 904 | |
| 905 h = get_help_from_file (nm, symbol_found, file); | |
| 906 | |
| 907 if (h.length () > 0) | |
| 908 retval = true; | |
| 909 | |
| 910 return retval; | |
| 911 } | |
| 912 | |
| 913 static bool | |
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914 raw_help_from_map (const std::string& nm, std::string& h, |
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915 const map_type& map, bool& symbol_found) |
| 3355 | 916 { |
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917 map_iter idx = map.find (nm); |
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918 symbol_found = (idx != map.end ()); |
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919 h = (symbol_found) ? idx->second : ""; |
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920 return symbol_found; |
| 3355 | 921 } |
| 922 | |
| 6243 | 923 std::string |
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924 raw_help (const std::string& nm, bool& symbol_found) |
| 6243 | 925 { |
| 926 std::string h; | |
| 927 std::string w; | |
| 928 std::string f; | |
| 929 | |
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930 (raw_help_from_symbol_table (nm, h, w, symbol_found) |
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931 || raw_help_from_file (nm, h, f, symbol_found) |
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932 || raw_help_from_map (nm, h, operators_map, symbol_found) |
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933 || raw_help_from_map (nm, h, keywords_map, symbol_found)); |
| 6243 | 934 |
| 935 return h; | |
| 936 } | |
| 937 | |
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938 DEFUN (built_in_docstrings_file, args, nargout, |
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939 "-*- texinfo -*-\n\ |
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940 @deftypefn {Built-in Function} {@var{val} =} built_in_docstrings_file ()\n\ |
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941 @deftypefnx {Built-in Function} {@var{old_val} =} built_in_docstrings_file (@var{new_val})\n\ |
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942 @deftypefnx {Built-in Function} {} built_in_docstrings_file (@var{new_val}, \"local\")\n\ |
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943 Query or set the internal variable that specifies the name of the\n\ |
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944 file containing docstrings for built-in Octave functions.\n\ |
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945 The default value is\n\ |
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946 @file{@var{octave-home}/share/octave/@var{version}/etc/built-in-docstrings},\n\ |
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947 in which @var{octave-home} is the root directory of the Octave installation,\n\ |
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948 and @var{version} is the Octave version number.\n\ |
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949 The default value may be overridden by the environment variable\n\ |
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950 @w{@env{OCTAVE_BUILT_IN_DOCSTRINGS_FILE}}, or the command line argument\n\ |
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951 @samp{--built-in-docstrings-file FNAME}.\n\ |
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952 \n\ |
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953 Note: This variable is only used when Octave is initializing itself.\n\ |
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954 Modifying it during a running session of Octave will have no effect.\n\ |
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955 @end deftypefn") |
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956 { |
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957 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (built_in_docstrings_file); |
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958 } |
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959 |
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960 void |
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961 install_built_in_docstrings (void) |
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962 { |
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963 std::string fname = Vbuilt_in_docstrings_file; |
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964 |
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965 std::ifstream file (fname.c_str (), std::ios::in | std::ios::binary); |
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966 |
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967 if (file) |
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968 { |
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969 // Ignore header; |
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970 file.ignore (1000, 0x1d); |
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971 |
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972 if (file.gcount () == 1000) |
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973 { |
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974 // We use std::cerr here instead of calling Octave's warning |
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975 // function because install_built_in_docstrings is called |
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976 // before the interpreter is initialized, so warning messages |
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977 // won't work properly. |
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978 |
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979 std::cerr << "warning: is builtin-docstrings file corrupted?" |
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980 << std::endl; |
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981 return; |
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982 } |
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983 |
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984 // FIXME -- eliminate fixed buffer size. |
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985 size_t bufsize = 100000; |
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986 |
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987 OCTAVE_LOCAL_BUFFER (char, buf, bufsize); |
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988 |
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989 while (! file.eof ()) |
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990 { |
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991 file.getline (buf, bufsize, 0x1d); |
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992 |
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993 std::string tmp (buf); |
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994 |
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995 size_t pos = tmp.find ('\n'); |
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996 |
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997 std::string fcn = tmp.substr (0, pos); |
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998 |
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999 octave_value ov = symbol_table::find_built_in_function (fcn); |
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1000 |
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1001 if (ov.is_defined ()) |
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1002 { |
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1003 octave_function *fp = ov.function_value (); |
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1004 |
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1005 if (fp) |
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1006 { |
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1007 tmp = tmp.substr (pos+1); |
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1008 |
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1009 // Strip @c FILENAME which is part of current DOCSTRINGS |
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1010 // syntax. This may disappear if a specific format for |
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1011 // docstring files is developed. |
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1012 while (tmp.length () > 2 && tmp[0] == '@' && tmp[1] == 'c') |
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1013 { |
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1014 pos = tmp.find ('\n'); |
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1015 tmp = tmp.substr (pos+1); |
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1016 } |
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1017 |
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1018 fp->document (tmp); |
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1019 } |
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1020 } |
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1021 } |
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1022 } |
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1023 else |
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1024 { |
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1025 // See note above about using std::cerr instead of warning. |
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1026 |
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1027 std::cerr << "warning: docstring file '" << fname << "' not found" |
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1028 << std::endl; |
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1029 } |
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1030 |
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1031 } |
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1032 |
| 1140 | 1033 static void |
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1034 do_get_help_text (const std::string& name, std::string& text, |
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1035 std::string& format) |
| 1140 | 1036 { |
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1037 bool symbol_found = false; |
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1038 text = raw_help (name, symbol_found); |
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1039 |
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Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1040 format = "Not found"; |
|
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1041 if (symbol_found) |
| 1140 | 1042 { |
|
8575
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1043 size_t idx = -1; |
|
8631
52956d669506
Display sensible error message when the help text of an undocumented function is requested
Soren Hauberg <hauberg@gmail.com>
parents:
8630
diff
changeset
|
1044 if (text.empty ()) |
|
52956d669506
Display sensible error message when the help text of an undocumented function is requested
Soren Hauberg <hauberg@gmail.com>
parents:
8630
diff
changeset
|
1045 { |
|
52956d669506
Display sensible error message when the help text of an undocumented function is requested
Soren Hauberg <hauberg@gmail.com>
parents:
8630
diff
changeset
|
1046 format = "Not documented"; |
|
52956d669506
Display sensible error message when the help text of an undocumented function is requested
Soren Hauberg <hauberg@gmail.com>
parents:
8630
diff
changeset
|
1047 } |
|
52956d669506
Display sensible error message when the help text of an undocumented function is requested
Soren Hauberg <hauberg@gmail.com>
parents:
8630
diff
changeset
|
1048 else if (looks_like_texinfo (text, idx)) |
|
8575
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1049 { |
|
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1050 format = "texinfo"; |
|
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1051 text.erase (0, idx); |
|
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1052 } |
|
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1053 else if (looks_like_html (text)) |
|
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1054 { |
|
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1055 format = "html"; |
|
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1056 } |
| 5399 | 1057 else |
|
8575
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1058 { |
|
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1059 format = "plain text"; |
|
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1060 } |
| 1140 | 1061 } |
| 1062 } | |
| 1063 | |
|
8575
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1064 DEFUN (get_help_text, args, , "-*- texinfo -*-\n\ |
|
15038
ab18578c2ade
doc: Update docstrings for built-in functions to not use "Loadable Function" as type.
Rik <rik@octave.org>
parents:
15020
diff
changeset
|
1065 @deftypefn {Built-in Function} {[@var{text}, @var{format}] =} get_help_text (@var{name})\n\ |
|
12519
91ccd08fe80c
Add gen_doc_cache, get_help_text, get_help_text_from_file, get_first_help_sentence to documentation.
Rik <octave@nomad.inbox5.com>
parents:
12483
diff
changeset
|
1066 Return the raw help text of function @var{name}.\n\ |
| 3168 | 1067 \n\ |
|
12519
91ccd08fe80c
Add gen_doc_cache, get_help_text, get_help_text_from_file, get_first_help_sentence to documentation.
Rik <octave@nomad.inbox5.com>
parents:
12483
diff
changeset
|
1068 The raw help text is returned in @var{text} and the format in @var{format}\n\ |
|
91ccd08fe80c
Add gen_doc_cache, get_help_text, get_help_text_from_file, get_first_help_sentence to documentation.
Rik <octave@nomad.inbox5.com>
parents:
12483
diff
changeset
|
1069 The format is a string which is one of @t{\"texinfo\"}, @t{\"html\"}, or\n\ |
|
8575
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1070 @t{\"plain text\"}.\n\ |
|
8812
7d48766c21a5
use consistent format for doc strings of internal functions
John W. Eaton <jwe@octave.org>
parents:
8672
diff
changeset
|
1071 @end deftypefn") |
| 529 | 1072 { |
| 2086 | 1073 octave_value_list retval; |
| 529 | 1074 |
|
8575
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1075 if (args.length () == 1) |
|
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1076 { |
|
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1077 const std::string name = args (0).string_value (); |
| 1755 | 1078 |
|
8575
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1079 if (! error_state) |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
1080 { |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
1081 std::string text; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
1082 std::string format; |
| 529 | 1083 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
1084 do_get_help_text (name, text, format); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1085 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
1086 retval(1) = format; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
1087 retval(0) = text; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
1088 } |
|
8575
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m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
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diff
changeset
|
1089 else |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
1090 error ("get_help_text: invalid input"); |
|
8575
f134925a1cfa
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Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1091 } |
| 529 | 1092 else |
|
8575
f134925a1cfa
m-file implementation of help system
Soren Hauberg <soren@hauberg.org>
parents:
8503
diff
changeset
|
1093 print_usage (); |
| 529 | 1094 |
| 1095 return retval; | |
| 1096 } | |
| 1097 | |
|
9806
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1098 static void |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1099 do_get_help_text_from_file (const std::string& fname, std::string& text, |
|
10315
57a59eae83cc
untabify src C++ source files
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diff
changeset
|
1100 std::string& format) |
|
9806
8e345f2fe4d6
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diff
changeset
|
1101 { |
|
8e345f2fe4d6
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1102 bool symbol_found = false; |
|
8e345f2fe4d6
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1103 |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1104 std::string f; |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1105 |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1106 raw_help_from_file (fname, text, f, symbol_found); |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1107 |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1108 format = "Not found"; |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1109 if (symbol_found) |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1110 { |
|
8e345f2fe4d6
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1111 size_t idx = -1; |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1112 if (text.empty ()) |
|
8e345f2fe4d6
improved support for Contents.m files
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parents:
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diff
changeset
|
1113 { |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1114 format = "Not documented"; |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1115 } |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1116 else if (looks_like_texinfo (text, idx)) |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1117 { |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1118 format = "texinfo"; |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1119 text.erase (0, idx); |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1120 } |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1121 else if (looks_like_html (text)) |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1122 { |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1123 format = "html"; |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1124 } |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1125 else |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1126 { |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1127 format = "plain text"; |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1128 } |
|
8e345f2fe4d6
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1129 } |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1130 } |
|
8e345f2fe4d6
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John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1131 |
|
8e345f2fe4d6
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John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1132 DEFUN (get_help_text_from_file, args, , |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1133 "-*- texinfo -*-\n\ |
|
15038
ab18578c2ade
doc: Update docstrings for built-in functions to not use "Loadable Function" as type.
Rik <rik@octave.org>
parents:
15020
diff
changeset
|
1134 @deftypefn {Built-in Function} {[@var{text}, @var{format}] =} get_help_text_from_file (@var{fname})\n\ |
|
12519
91ccd08fe80c
Add gen_doc_cache, get_help_text, get_help_text_from_file, get_first_help_sentence to documentation.
Rik <octave@nomad.inbox5.com>
parents:
12483
diff
changeset
|
1135 Return the raw help text from the file @var{fname}.\n\ |
|
9806
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1136 \n\ |
|
12519
91ccd08fe80c
Add gen_doc_cache, get_help_text, get_help_text_from_file, get_first_help_sentence to documentation.
Rik <octave@nomad.inbox5.com>
parents:
12483
diff
changeset
|
1137 The raw help text is returned in @var{text} and the format in @var{format}\n\ |
|
91ccd08fe80c
Add gen_doc_cache, get_help_text, get_help_text_from_file, get_first_help_sentence to documentation.
Rik <octave@nomad.inbox5.com>
parents:
12483
diff
changeset
|
1138 The format is a string which is one of @t{\"texinfo\"}, @t{\"html\"}, or\n\ |
|
9806
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1139 @t{\"plain text\"}.\n\ |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1140 @end deftypefn") |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1141 { |
|
8e345f2fe4d6
improved support for Contents.m files
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parents:
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diff
changeset
|
1142 octave_value_list retval; |
|
8e345f2fe4d6
improved support for Contents.m files
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parents:
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diff
changeset
|
1143 |
|
8e345f2fe4d6
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diff
changeset
|
1144 if (args.length () == 1) |
|
8e345f2fe4d6
improved support for Contents.m files
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parents:
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diff
changeset
|
1145 { |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1146 const std::string fname = args(0).string_value (); |
|
8e345f2fe4d6
improved support for Contents.m files
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changeset
|
1147 |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1148 if (! error_state) |
|
10315
57a59eae83cc
untabify src C++ source files
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parents:
10182
diff
changeset
|
1149 { |
|
57a59eae83cc
untabify src C++ source files
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parents:
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diff
changeset
|
1150 std::string text; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
1151 std::string format; |
|
9806
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1152 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
1153 do_get_help_text_from_file (fname, text, format); |
|
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
1154 |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1155 retval(1) = format; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
1156 retval(0) = text; |
|
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
1157 } |
|
9806
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1158 else |
|
10315
57a59eae83cc
untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents:
10182
diff
changeset
|
1159 error ("get_help_text_from_file: invalid input"); |
|
9806
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1160 } |
|
8e345f2fe4d6
improved support for Contents.m files
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diff
changeset
|
1161 else |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
9416
diff
changeset
|
1162 print_usage (); |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1163 |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1164 return retval; |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1165 } |
|
8e345f2fe4d6
improved support for Contents.m files
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1166 |
|
8812
7d48766c21a5
use consistent format for doc strings of internal functions
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|
1167 // Return a cell array of strings containing the names of all |
|
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1168 // operators. |
|
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1169 |
|
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|
1170 DEFUN (__operators__, , , |
|
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1171 "-*- texinfo -*-\n\ |
|
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1172 @deftypefn {Function File} __operators__ ()\n\ |
|
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|
1173 Undocumented internal function.\n\ |
|
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|
1174 @end deftypefn") |
| 3355 | 1175 { |
|
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1176 return octave_value (Cell (names (operators_map))); |
| 3355 | 1177 } |
| 1178 | |
|
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1179 // Return a cell array of strings containing the names of all |
|
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1180 // keywords. |
|
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1181 |
|
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1182 DEFUN (__keywords__, , , |
|
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1183 "-*- texinfo -*-\n\ |
|
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1184 @deftypefn {Function File} __keywords__ ()\n\ |
|
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|
1185 Undocumented internal function.\n\ |
|
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|
1186 @end deftypefn") |
| 581 | 1187 { |
|
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1188 return octave_value (Cell (names (keywords_map))); |
| 581 | 1189 } |
| 1190 | |
|
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1191 // Return a cell array of strings containing the names of all builtin |
|
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|
1192 // functions. |
|
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|
1193 |
|
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|
1194 DEFUN (__builtins__, , , |
|
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|
1195 "-*- texinfo -*-\n\ |
|
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1196 @deftypefn {Function File} __builtins__ ()\n\ |
|
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|
1197 Undocumented internal function.\n\ |
|
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|
1198 @end deftypefn") |
| 3355 | 1199 { |
|
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1200 const string_vector bif = symbol_table::built_in_function_names (); |
| 3355 | 1201 |
|
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1202 return octave_value (Cell (bif)); |
| 3355 | 1203 } |
| 1204 | |
|
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1205 static std::string |
|
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|
1206 do_which (const std::string& name, std::string& type) |
| 3355 | 1207 { |
|
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1208 std::string file; |
|
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1209 |
|
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1210 type = std::string (); |
| 3355 | 1211 |
| 7336 | 1212 octave_value val = symbol_table::find_function (name); |
| 1213 | |
|
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1214 if (name.find_first_of ('.') == std::string::npos) |
| 3355 | 1215 { |
|
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1216 if (val.is_defined ()) |
|
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1217 { |
|
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1218 octave_function *fcn = val.function_value (); |
| 7336 | 1219 |
|
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1220 if (fcn) |
|
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1221 { |
|
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1222 file = fcn->fcn_file_name (); |
| 3355 | 1223 |
|
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1224 if (file.empty ()) |
|
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|
1225 { |
|
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1226 if (fcn->is_user_function ()) |
|
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1227 type = "command-line function"; |
|
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1228 else |
|
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1229 { |
|
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1230 file = fcn->src_file_name (); |
|
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1231 type = "built-in function"; |
|
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1232 } |
|
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1233 } |
|
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1234 else |
|
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1235 type = val.is_user_script () |
|
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1236 ? std::string ("script") : std::string ("function"); |
|
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1237 } |
|
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1238 } |
|
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|
1239 else |
|
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|
1240 { |
|
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1241 // We might find a file that contains only a doc string. |
|
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1242 |
|
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1243 file = load_path::find_fcn_file (name); |
|
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1244 } |
| 7336 | 1245 } |
|
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1246 else |
|
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|
1247 { |
|
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1248 // File query. |
|
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1249 |
|
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1250 // For compatibility: "file." queries "file". |
|
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1251 if (name.size () > 1 && name[name.size () - 1] == '.') |
|
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1252 file = load_path::find_file (name.substr (0, name.size () - 1)); |
|
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1253 else |
|
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|
1254 file = load_path::find_file (name); |
|
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1255 } |
|
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1256 |
|
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1257 |
|
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1258 return file; |
| 3355 | 1259 } |
| 1260 | |
|
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1261 std::string |
|
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1262 do_which (const std::string& name) |
|
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1263 { |
|
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|
1264 std::string retval; |
|
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1265 |
|
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|
1266 std::string type; |
|
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1267 |
|
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|
1268 retval = do_which (name, type); |
|
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1269 |
|
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1270 return retval; |
|
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1271 } |
|
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1272 |
|
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|
1273 DEFUN (__which__, args, , |
| 3361 | 1274 "-*- texinfo -*-\n\ |
|
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1275 @deftypefn {Built-in Function} {} __which__ (@var{name}, @dots{})\n\ |
|
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1276 Undocumented internal function.\n\ |
|
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1277 @end deftypefn") |
| 581 | 1278 { |
|
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1279 octave_value retval; |
| 581 | 1280 |
| 1968 | 1281 string_vector argv = args.make_argv ("which"); |
| 1755 | 1282 |
| 3355 | 1283 if (! error_state) |
| 1284 { | |
| 1285 int argc = argv.length (); | |
| 581 | 1286 |
| 3355 | 1287 if (argc > 1) |
|
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1288 { |
|
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1289 octave_map m (dim_vector (1, argc-1)); |
|
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1290 |
|
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|
1291 Cell names (1, argc-1); |
|
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1292 Cell files (1, argc-1); |
|
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1293 Cell types (1, argc-1); |
|
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1294 |
|
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1295 for (int i = 1; i < argc; i++) |
|
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1296 { |
|
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|
1297 std::string name = argv[i]; |
|
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1298 |
|
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|
1299 std::string type; |
|
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1300 |
|
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1301 std::string file = do_which (name, type); |
| 3141 | 1302 |
|
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1303 names(i-1) = name; |
|
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1304 files(i-1) = file; |
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1305 types(i-1) = type; |
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1306 } |
|
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1307 |
|
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1308 m.assign ("name", names); |
|
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1309 m.assign ("file", files); |
|
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1310 m.assign ("type", types); |
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1311 |
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1312 retval = m; |
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1313 } |
| 3355 | 1314 else |
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1315 print_usage (); |
| 581 | 1316 } |
| 1317 | |
| 1318 return retval; | |
| 1319 } | |
| 1320 | |
|
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1321 // FIXME -- Are we sure this function always does the right thing? |
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1322 inline bool |
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1323 file_is_in_dir (const std::string filename, const std::string dir) |
| 5447 | 1324 { |
|
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1325 if (filename.find (dir) == 0) |
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1326 { |
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1327 const int dir_len = dir.size (); |
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1328 const int filename_len = filename.size (); |
|
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1329 const int max_allowed_seps = file_ops::is_dir_sep (dir[dir_len-1]) ? 0 : 1; |
|
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1330 |
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1331 int num_seps = 0; |
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1332 for (int i = dir_len; i < filename_len; i++) |
|
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1333 if (file_ops::is_dir_sep (filename[i])) |
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1334 num_seps ++; |
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1335 |
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1336 return (num_seps <= max_allowed_seps); |
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1337 } |
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1338 else |
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1339 return false; |
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1340 } |
| 5447 | 1341 |
|
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1342 // Return a cell array of strings containing the names of all |
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1343 // functions available in DIRECTORY. If no directory is given, search |
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1344 // the current path. |
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1345 |
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1346 DEFUN (__list_functions__, args, , |
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1347 "-*- texinfo -*-\n\ |
| 10840 | 1348 @deftypefn {Function File} {@var{retval} =} __list_functions__ ()\n\ |
| 1349 @deftypefnx {Function File} {@var{retval} =} __list_functions__ (@var{directory})\n\ | |
|
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1350 Undocumented internal function.\n\ |
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1351 @end deftypefn") |
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1352 { |
|
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1353 octave_value retval; |
| 5447 | 1354 |
|
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1355 // Get list of functions |
|
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1356 string_vector ffl = load_path::fcn_names (); |
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1357 string_vector afl = autoloaded_functions (); |
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1358 |
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1359 if (args.length () == 0) |
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1360 retval = Cell (ffl.append (afl)); |
| 5447 | 1361 else |
| 1362 { | |
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1363 std::string dir = args (0).string_value (); |
|
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1364 |
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1365 if (! error_state) |
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1366 { |
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1367 string_vector fl = load_path::files (dir, true); |
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1368 |
|
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1369 if (! error_state) |
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1370 { |
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1371 // Return a sorted list with unique entries (in case of |
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1372 // .m and .oct versions of the same function in a given |
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1373 // directory, for example). |
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1374 fl.sort (true); |
|
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1375 |
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1376 retval = Cell (fl); |
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1377 } |
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1378 } |
| 5447 | 1379 else |
|
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1380 error ("__list_functions__: DIRECTORY argument must be a string"); |
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1381 } |
| 5447 | 1382 |
| 1383 return retval; | |
| 1384 } | |
| 1385 | |
| 8861 | 1386 DEFUN (doc_cache_file, args, nargout, |
| 1387 "-*- texinfo -*-\n\ | |
| 10840 | 1388 @deftypefn {Built-in Function} {@var{val} =} doc_cache_file ()\n\ |
| 8861 | 1389 @deftypefnx {Built-in Function} {@var{old_val} =} doc_cache_file (@var{new_val})\n\ |
|
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1390 @deftypefnx {Built-in Function} {} doc_cache_file (@var{new_val}, \"local\")\n\ |
| 8861 | 1391 Query or set the internal variable that specifies the name of the\n\ |
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1392 Octave documentation cache file. A cache file significantly improves\n\ |
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1393 the performance of the @code{lookfor} command. The default value is \n\ |
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1394 @file{@var{octave-home}/share/octave/@var{version}/etc/doc-cache},\n\ |
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1395 in which @var{octave-home} is the root directory of the Octave installation,\n\ |
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1396 and @var{version} is the Octave version number.\n\ |
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1397 The default value may be overridden by the environment variable\n\ |
| 10840 | 1398 @w{@env{OCTAVE_DOC_CACHE_FILE}}, or the command line argument\n\ |
|
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1399 @samp{--doc-cache-file FNAME}.\n\ |
|
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1400 \n\ |
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1401 When called from inside a function with the \"local\" option, the variable is\n\ |
|
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1402 changed locally for the function and any subroutines it calls. The original\n\ |
|
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1403 variable value is restored when exiting the function.\n\ |
|
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1404 @seealso{doc_cache_create, lookfor, info_program, doc, help, makeinfo_program}\n\ |
| 8861 | 1405 @end deftypefn") |
| 1406 { | |
| 1407 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (doc_cache_file); | |
| 1408 } | |
| 1409 | |
|
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1410 DEFUN (texi_macros_file, args, nargout, |
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1411 "-*- texinfo -*-\n\ |
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1412 @deftypefn {Built-in Function} {@var{val} =} texi_macros_file ()\n\ |
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1413 @deftypefnx {Built-in Function} {@var{old_val} =} texi_macros_file (@var{new_val})\n\ |
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1414 @deftypefnx {Built-in Function} {} texi_macros_file (@var{new_val}, \"local\")\n\ |
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1415 Query or set the internal variable that specifies the name of the\n\ |
|
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1416 file containing Texinfo macros that are prepended to documentation strings\n\ |
|
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1417 before they are passed to makeinfo. The default value is \n\ |
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1418 @file{@var{octave-home}/share/octave/@var{version}/etc/macros.texi},\n\ |
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1419 in which @var{octave-home} is the root directory of the Octave installation,\n\ |
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1420 and @var{version} is the Octave version number.\n\ |
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1421 The default value may be overridden by the environment variable\n\ |
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1422 @w{@env{OCTAVE_TEXI_MACROS_FILE}}, or the command line argument\n\ |
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1423 @samp{--texi-macros-file FNAME}.\n\ |
|
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1424 \n\ |
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1425 When called from inside a function with the \"local\" option, the variable is\n\ |
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1426 changed locally for the function and any subroutines it calls. The original\n\ |
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1427 variable value is restored when exiting the function.\n\ |
|
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1428 @seealso{makeinfo_program}\n\ |
|
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1429 @end deftypefn") |
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1430 { |
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1431 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (texi_macros_file); |
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1432 } |
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1433 |
| 5794 | 1434 DEFUN (info_file, args, nargout, |
| 1435 "-*- texinfo -*-\n\ | |
| 10840 | 1436 @deftypefn {Built-in Function} {@var{val} =} info_file ()\n\ |
| 5794 | 1437 @deftypefnx {Built-in Function} {@var{old_val} =} info_file (@var{new_val})\n\ |
|
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1438 @deftypefnx {Built-in Function} {} info_file (@var{new_val}, \"local\")\n\ |
| 5794 | 1439 Query or set the internal variable that specifies the name of the\n\ |
| 1440 Octave info file. The default value is\n\ | |
|
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1441 @file{@var{octave-home}/info/octave.info}, in\n\ |
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1442 which @var{octave-home} is the root directory of the Octave installation.\n\ |
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1443 The default value may be overridden by the environment variable\n\ |
| 10840 | 1444 @w{@env{OCTAVE_INFO_FILE}}, or the command line argument\n\ |
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1445 @samp{--info-file FNAME}.\n\ |
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1446 \n\ |
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1447 When called from inside a function with the \"local\" option, the variable is\n\ |
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1448 changed locally for the function and any subroutines it calls. The original\n\ |
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1449 variable value is restored when exiting the function.\n\ |
| 5794 | 1450 @seealso{info_program, doc, help, makeinfo_program}\n\ |
| 1451 @end deftypefn") | |
| 2202 | 1452 { |
| 5794 | 1453 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (info_file); |
| 2202 | 1454 } |
| 1455 | |
| 5794 | 1456 DEFUN (info_program, args, nargout, |
| 1457 "-*- texinfo -*-\n\ | |
| 10840 | 1458 @deftypefn {Built-in Function} {@var{val} =} info_program ()\n\ |
| 5794 | 1459 @deftypefnx {Built-in Function} {@var{old_val} =} info_program (@var{new_val})\n\ |
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1460 @deftypefnx {Built-in Function} {} info_program (@var{new_val}, \"local\")\n\ |
| 5794 | 1461 Query or set the internal variable that specifies the name of the\n\ |
| 7096 | 1462 info program to run. The default value is\n\ |
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1463 @file{@var{octave-home}/libexec/octave/@var{version}/exec/@var{arch}/info}\n\ |
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1464 in which @var{octave-home} is the root directory of the Octave installation,\n\ |
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1465 @var{version} is the Octave version number, and @var{arch}\n\ |
| 3686 | 1466 is the system type (for example, @code{i686-pc-linux-gnu}). The\n\ |
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1467 default value may be overridden by the environment variable\n\ |
| 10840 | 1468 @w{@env{OCTAVE_INFO_PROGRAM}}, or the command line argument\n\ |
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1469 @samp{--info-program NAME}.\n\ |
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1470 \n\ |
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1471 When called from inside a function with the \"local\" option, the variable is\n\ |
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1472 changed locally for the function and any subroutines it calls. The original\n\ |
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1473 variable value is restored when exiting the function.\n\ |
| 5794 | 1474 @seealso{info_file, doc, help, makeinfo_program}\n\ |
| 1475 @end deftypefn") | |
| 1476 { | |
| 1477 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (info_program); | |
| 1478 } | |
| 3686 | 1479 |
| 5794 | 1480 DEFUN (makeinfo_program, args, nargout, |
| 1481 "-*- texinfo -*-\n\ | |
| 10840 | 1482 @deftypefn {Built-in Function} {@var{val} =} makeinfo_program ()\n\ |
| 5794 | 1483 @deftypefnx {Built-in Function} {@var{old_val} =} makeinfo_program (@var{new_val})\n\ |
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1484 @deftypefnx {Built-in Function} {} makeinfo_program (@var{new_val}, \"local\")\n\ |
| 5794 | 1485 Query or set the internal variable that specifies the name of the\n\ |
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1486 program that Octave runs to format help text containing\n\ |
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1487 Texinfo markup commands. The default value is @code{makeinfo}.\n\ |
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1488 \n\ |
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1489 When called from inside a function with the \"local\" option, the variable is\n\ |
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1490 changed locally for the function and any subroutines it calls. The original\n\ |
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1491 variable value is restored when exiting the function.\n\ |
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1492 @seealso{texi_macros_file, info_file, info_program, doc, help}\n\ |
| 5794 | 1493 @end deftypefn") |
| 1494 { | |
| 1495 return SET_NONEMPTY_INTERNAL_STRING_VARIABLE (makeinfo_program); | |
| 1496 } | |
| 2202 | 1497 |
| 5794 | 1498 DEFUN (suppress_verbose_help_message, args, nargout, |
| 1499 "-*- texinfo -*-\n\ | |
| 10840 | 1500 @deftypefn {Built-in Function} {@var{val} =} suppress_verbose_help_message ()\n\ |
| 5794 | 1501 @deftypefnx {Built-in Function} {@var{old_val} =} suppress_verbose_help_message (@var{new_val})\n\ |
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1502 @deftypefnx {Built-in Function} {} suppress_verbose_help_message (@var{new_val}, \"local\")\n\ |
| 7001 | 1503 Query or set the internal variable that controls whether Octave\n\ |
| 5794 | 1504 will add additional help information to the end of the output from\n\ |
| 3332 | 1505 the @code{help} command and usage messages for built-in commands.\n\ |
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1506 \n\ |
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1507 When called from inside a function with the \"local\" option, the variable is\n\ |
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1508 changed locally for the function and any subroutines it calls. The original\n\ |
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1509 variable value is restored when exiting the function.\n\ |
| 5794 | 1510 @end deftypefn") |
| 1511 { | |
| 1512 return SET_INTERNAL_VARIABLE (suppress_verbose_help_message); | |
| 2189 | 1513 } |