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1 /* |
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2 |
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3 Copyright (C) 2004, 2005, 2006, 2007 John W. Eaton and Teemu Ikonen |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 3 of the License, or (at your |
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10 option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 %option prefix="gpt" |
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24 %option noyywrap |
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25 |
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26 %{ |
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27 // PKG_ADD: mark_as_rawcommand ("__gnuplot_plot__"); |
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28 // PKG_ADD: mark_as_rawcommand ("__gnuplot_splot__"); |
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29 // PKG_ADD: mark_as_rawcommand ("__gnuplot_replot__"); |
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30 |
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31 // PKG_ADD: mark_as_command ("__gnuplot_set__"); |
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32 // PKG_ADD: mark_as_command ("__gnuplot_show__"); |
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33 |
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34 #ifdef HAVE_CONFIG_H |
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35 #include <config.h> |
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36 #endif |
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37 |
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38 #include <map> |
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39 #include <string> |
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40 #include <fstream> |
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41 #include <iostream> |
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42 #include <sstream> |
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43 |
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44 #ifdef HAVE_UNISTD_H |
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45 #ifdef HAVE_SYS_TYPES_H |
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46 #include <sys/types.h> |
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47 #endif |
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48 #include <unistd.h> |
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49 #endif |
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50 |
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51 #include "file-ops.h" |
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52 #include "oct-env.h" |
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53 |
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54 #include "defun-dld.h" |
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55 #include "file-io.h" |
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56 #include "gripes.h" |
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57 #include "ls-oct-ascii.h" |
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58 #include "parse.h" |
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59 #include "procstream.h" |
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60 #include "sighandlers.h" |
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61 #include "utils.h" |
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62 #include "variables.h" |
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63 |
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64 enum _toktype |
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65 { |
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66 START_PAREN = 1, |
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67 END_PAREN, |
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68 START_BRACE, |
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69 END_BRACE, |
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70 START_BRACKET, |
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71 END_BRACKET, |
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72 COLON, |
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73 SEMICOLON, |
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74 COMMA, |
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75 QUOTE, |
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76 DOLLAR, |
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77 IDENT, |
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78 NUMBER, |
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79 BINOP, |
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80 UNOP, |
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81 STRING, |
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82 OTHER, |
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83 TITLE, |
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84 USING, |
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85 WITH, |
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86 AXES, |
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87 CLEAR |
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88 }; |
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89 |
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90 typedef bool (*pred) (const int); |
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91 |
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92 class |
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93 gpt_parse_error |
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94 { |
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95 public: |
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96 gpt_parse_error (void) : msg () { } |
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97 gpt_parse_error (std::string errmsg) : msg (errmsg) { } |
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98 |
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99 std::string msg; |
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100 }; |
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101 |
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102 static bool gpt_quote_is_transpose; |
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103 static bool gpt_allow_plotkw; |
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104 static int gpt_parens; |
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105 static int gpt_brackets; |
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106 static int gpt_braces; |
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107 |
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108 static bool can_be_plotkw (void); |
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109 |
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110 static int is_plot_keyword (const std::string& s); |
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111 |
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112 static int handle_string (char delim); |
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113 static std::string strbuf; |
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114 |
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115 %} |
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116 |
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117 D [0-9] |
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118 S [ \t] |
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119 IDENT ([_a-zA-Z@][_a-zA-Z0-9]*) |
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120 EXPON ([DdEe][+-]?{D}+) |
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121 NUMBER (({D}+\.?{D}*{EXPON}?)|(\.{D}+{EXPON}?)|(0[xX][0-9a-fA-F]+)) |
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122 NOT ((\~)|(\!)) |
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123 /* NOT is not strictly a binary operator, but is close enough for us. */ |
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124 BINOP (({NOT})|(\.?([\*/\\^+-]|\*\*)=?)|([<=~!>&|]=)|([=&|<>]{1,2})|(<<=)|(>>=)|(\.)) |
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125 /* single quote (') transpose operator is handled separately. */ |
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126 UNOP ((\+\+)|(\-\-)|(\.')) |
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127 |
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128 %% |
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129 |
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130 "(" { |
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131 gpt_quote_is_transpose = false; |
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132 gpt_parens++; |
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133 return START_PAREN; |
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134 } |
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135 |
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136 ")" { |
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137 gpt_quote_is_transpose = true; |
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138 gpt_parens--; |
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139 return END_PAREN; |
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140 } |
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141 |
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142 "{" { |
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143 gpt_quote_is_transpose = false; |
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144 gpt_braces++; |
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145 return START_BRACE; |
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146 } |
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147 |
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148 "}" { |
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149 gpt_quote_is_transpose = true; |
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150 gpt_braces--; |
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151 return END_BRACE; |
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152 } |
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153 |
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154 "[" { |
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155 gpt_quote_is_transpose = false; |
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156 gpt_brackets++; |
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157 return START_BRACKET; |
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158 } |
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159 |
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160 "]" { |
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161 gpt_quote_is_transpose = true; |
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162 gpt_brackets--; |
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163 return END_BRACKET; |
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164 } |
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165 |
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166 ":" { |
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167 gpt_quote_is_transpose = false; |
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168 return COLON; |
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169 } |
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170 |
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171 ";" { |
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172 gpt_quote_is_transpose = false; |
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173 return SEMICOLON; |
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174 } |
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175 |
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176 "," { |
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177 gpt_quote_is_transpose = false; |
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178 return COMMA; |
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179 } |
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180 |
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181 "'" { |
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182 if (gpt_quote_is_transpose) |
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183 { |
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184 gpt_allow_plotkw = true; |
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185 return QUOTE; |
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186 } |
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187 else |
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188 { |
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189 gpt_quote_is_transpose = true; |
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190 gpt_allow_plotkw = true; |
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191 return handle_string ('\''); |
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192 } |
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193 } |
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194 |
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195 "$" { |
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196 gpt_quote_is_transpose = false; |
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197 return DOLLAR; |
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198 } |
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199 |
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200 "\"" { |
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201 return handle_string ('"'); |
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202 } |
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203 |
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204 {IDENT} { |
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205 int itok = 0; |
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206 if (can_be_plotkw () && (itok = is_plot_keyword (yytext))) |
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207 { |
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208 gpt_quote_is_transpose = false; |
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209 gpt_allow_plotkw = true; |
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210 return itok; |
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211 } |
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212 else if (std::string (yytext) == "function") |
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213 throw gpt_parse_error ("function keyword not allowed in plot commands"); |
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214 else |
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215 { |
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216 gpt_quote_is_transpose = true; |
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217 gpt_allow_plotkw = true; |
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218 return IDENT; |
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219 } |
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220 } |
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221 |
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222 {D}+/\.[\*/\\^'] | /* ' */ |
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223 {NUMBER} { |
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224 gpt_quote_is_transpose = true; |
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225 gpt_allow_plotkw = true; |
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226 return NUMBER; |
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227 } |
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228 |
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229 {BINOP} { |
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230 gpt_quote_is_transpose = false; |
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231 gpt_allow_plotkw = false; |
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232 return BINOP; |
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233 } |
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234 |
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235 {UNOP} { |
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236 gpt_quote_is_transpose = false; |
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237 gpt_allow_plotkw = true; |
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238 return UNOP; |
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239 } |
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240 |
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241 {S} { /* Ignore spaces and tabs outside of character strings. */ } |
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242 |
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243 . { |
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244 gpt_quote_is_transpose = false; |
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245 gpt_allow_plotkw = true; |
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246 warning ("unknown token = \"%s\" in plot command", yytext); |
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247 return OTHER; |
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248 } |
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249 |
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250 %% |
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251 |
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252 // ------------------------------------------------------------ |
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253 // Interface to external gnuplot process(es), including gnuplot |
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254 // command parser. |
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255 // ------------------------------------------------------------ |
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256 |
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257 // The name of the shell command to execute to start gnuplot. |
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258 static std::string Vgnuplot_binary = GNUPLOT_BINARY; |
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259 |
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260 // Append -title "Figure NN" to the gnuplot command? |
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261 static bool Vgnuplot_use_title_option = octave_env::have_x11_display (); |
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262 |
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263 // Gnuplot command strings that we use. |
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264 static std::string Vgnuplot_command_plot = "pl"; |
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265 static std::string Vgnuplot_command_replot = "rep"; |
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266 static std::string Vgnuplot_command_splot = "sp"; |
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267 static std::string Vgnuplot_command_using = "u"; |
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268 static std::string Vgnuplot_command_with = "w"; |
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269 static std::string Vgnuplot_command_axes = "ax"; |
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270 static std::string Vgnuplot_command_title = "t"; |
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271 static std::string Vgnuplot_command_end = "\n"; |
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272 |
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273 // Check if the parser state is such that a plot keyword can occur. |
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274 |
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275 static bool |
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276 can_be_plotkw (void) |
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277 { |
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278 return (gpt_allow_plotkw |
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279 && (gpt_braces == 0) |
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280 && (gpt_brackets == 0) |
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281 && (gpt_parens == 0)); |
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282 } |
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283 |
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284 // Check to see if a character string matches any one of the plot |
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285 // option keywords. Don't match abbreviations for clear, since that's |
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286 // not a gnuplot keyword (users will probably only expect to be able |
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287 // to abbreviate actual gnuplot keywords). |
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288 |
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289 static int |
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290 is_plot_keyword (const std::string& s) |
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291 { |
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292 if (almost_match ("title", s, 1)) |
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293 return TITLE; |
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294 else if (almost_match ("using", s, 1)) |
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295 return USING; |
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296 else if (almost_match ("with", s, 1)) |
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297 return WITH; |
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298 else if (almost_match ("axes", s, 2) || almost_match ("axis", s, 2)) |
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299 return AXES; |
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300 else if ("clear" == s) |
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301 return CLEAR; |
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302 else |
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303 return 0; |
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304 } |
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305 |
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306 // This is used to handle character strings. Kludge alert. |
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307 |
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308 static int |
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309 handle_string (char delim) |
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310 { |
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311 int c; |
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312 bool escape_pending = false; |
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313 |
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314 strbuf = std::string (1, delim); |
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315 |
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316 while ((c = yyinput ()) != EOF) |
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317 { |
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318 if (c == '\\') |
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319 { |
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320 if (escape_pending) |
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321 { |
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322 strbuf += static_cast<char> (c); |
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323 escape_pending = false; |
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324 } |
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325 else |
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326 { |
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327 strbuf += static_cast<char> (c); |
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328 escape_pending = true; |
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329 } |
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330 continue; |
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331 } |
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332 else if (c == '\n') |
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333 { |
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334 error ("unterminated string constant"); |
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335 break; |
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336 } |
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337 else if (c == delim) |
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338 { |
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339 if (escape_pending) |
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340 strbuf += static_cast<char> (c); |
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341 else |
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342 { |
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343 c = yyinput (); |
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344 |
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345 if (c == delim) |
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346 { |
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347 strbuf += static_cast<char> (c); |
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348 strbuf += static_cast<char> (c); |
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349 } |
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350 else |
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351 { |
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352 yyunput (c, yytext); |
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353 strbuf += static_cast<char> (delim); |
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354 return STRING; |
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355 } |
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356 } |
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357 } |
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358 else |
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359 strbuf += static_cast<char> (c); |
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360 |
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361 escape_pending = false; |
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362 } |
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363 |
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364 throw gpt_parse_error ("unterminated string"); |
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365 |
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366 return 0; |
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367 } |
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368 |
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369 // (Probably not necessesary, but current Matlab style plot functions |
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370 // break without this (they emit too short gnuplot commands)) |
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371 |
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372 static std::string |
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373 plot_style_token (const std::string& s) |
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374 { |
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375 std::string retval; |
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376 |
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377 // FIXME -- specify minimum match length for these. |
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378 static const char *plot_styles[] = |
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379 { |
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380 "boxes", |
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381 "boxerrorbars", |
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382 "boxxyerrorbars", |
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383 "candlesticks", |
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384 "dots", |
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385 "errorbars", |
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386 "financebars", |
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387 "fsteps", |
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388 "histeps", |
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389 "impulses", |
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390 "lines", |
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391 "linespoints", |
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392 "points", |
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393 "steps", |
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394 "vector", |
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395 "xerrorbars", |
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396 "xyerrorbars", |
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397 "yerrorbars", |
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398 0, |
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399 }; |
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400 |
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401 const char * const *tmp = plot_styles; |
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402 while (*tmp) |
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403 { |
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404 if (almost_match (*tmp, s.c_str ())) |
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405 { |
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406 retval = *tmp; |
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407 break; |
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408 } |
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409 |
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410 tmp++; |
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411 } |
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412 |
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413 return retval; |
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414 } |
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415 |
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416 // Some predicates on tokens |
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417 |
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418 // Return true for ":". |
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419 |
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420 static bool |
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421 colonp (const int tok) |
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422 { |
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423 return (tok == COLON); |
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424 } |
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425 |
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426 // Return TRUE for "]". |
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427 |
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428 static bool |
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429 endbracketp (const int tok) |
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430 { |
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431 return (tok == END_BRACKET); |
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432 } |
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433 |
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434 // Return TRUE for plot token, comma or end of input. |
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435 |
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436 static bool |
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437 plottok_or_end_p (const int tok) |
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438 { |
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439 return (tok == TITLE |
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440 || tok == USING |
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441 || tok == WITH |
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442 || tok == AXES |
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443 || tok == CLEAR |
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444 || tok == COMMA |
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445 || tok == 0); |
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446 } |
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447 |
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448 // Equivalent to (colonp (tok) || plottok_or_end_p (tok)). |
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449 |
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450 static bool |
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451 colon_plottok_or_end_p (const int tok) |
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452 { |
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453 return (tok == COLON || plottok_or_end_p (tok)); |
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454 } |
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455 |
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456 // read until test is true and delimiters are balanced, or end of input. |
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457 // Return the last token in lasttok |
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458 |
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459 static std::string |
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460 read_until (pred test, int& lasttok) throw (gpt_parse_error) |
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461 { |
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462 int tok; |
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463 |
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464 // We have to maintain balanced delimiters per subexpression too. |
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465 int brackets = 0; |
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466 int parens = 0; |
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467 int braces = 0; |
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468 std::string s; |
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469 |
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470 tok = gptlex (); |
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471 |
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472 while (tok && ! (test (tok) |
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473 && brackets == 0 |
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474 && parens == 0 |
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475 && braces == 0)) |
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476 { |
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477 switch (tok) |
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478 { |
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479 case START_BRACKET: |
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480 brackets++; |
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481 break; |
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482 |
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483 case END_BRACKET: |
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484 brackets--; |
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485 break; |
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486 |
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487 case START_PAREN: |
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488 parens++; |
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489 break; |
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490 |
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491 case END_PAREN: |
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492 parens--; |
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493 break; |
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494 |
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495 case START_BRACE: |
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496 braces++; |
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497 break; |
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498 |
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499 case END_BRACE: |
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500 braces--; |
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501 break; |
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502 |
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503 default: |
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504 break; |
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505 } |
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506 |
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507 s += (tok == STRING ? strbuf : std::string (yytext)) + " "; |
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508 |
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509 tok = gptlex (); |
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510 } |
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511 |
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512 // Throw error only if we've reached the end token and the test |
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513 // doesn't accept it. |
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514 |
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515 if (! test (tok) && ! tok) |
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516 throw gpt_parse_error ("unexpected end of input"); |
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517 |
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518 lasttok = tok; |
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519 |
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520 return s; |
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521 } |
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|
522 |
|
|
523 // Eval the two expressions giving limits of range and print it. |
|
|
524 |
|
|
525 static std::string |
|
|
526 printrange (std::string starts, std::string ends) |
|
|
527 { |
|
|
528 octave_value startv, endv; |
|
|
529 int status; |
|
|
530 std::string s; |
|
|
531 std::ostringstream range_buf; |
|
|
532 |
|
|
533 range_buf << "["; |
|
|
534 |
|
|
535 if (! starts.empty ()) |
|
|
536 { |
|
|
537 startv = eval_string (starts, true, status); |
|
|
538 if (! startv.is_real_scalar ()) |
|
|
539 throw gpt_parse_error (); |
|
|
540 startv.print_raw (range_buf); |
|
|
541 } |
|
|
542 |
|
|
543 range_buf << ":"; |
|
|
544 |
|
|
545 if (! ends.empty ()) |
|
|
546 { |
|
|
547 endv = eval_string (ends, true, status); |
|
|
548 if (! endv.is_real_scalar ()) |
|
|
549 throw gpt_parse_error (); |
|
|
550 endv.print_raw (range_buf); |
|
|
551 } |
|
|
552 |
|
|
553 range_buf << "]"; |
|
|
554 |
|
|
555 s = range_buf.str (); |
|
|
556 |
|
|
557 return s; |
|
|
558 } |
|
|
559 |
|
|
560 // Handle plot parameters. |
|
|
561 |
|
|
562 // Parse, evaluate and print colon separated expressions in the using |
|
|
563 // plot parameter. The use of trailing format string is not supported. |
|
|
564 |
|
|
565 static std::string |
|
|
566 handle_using (int& lasttok) |
|
|
567 { |
|
|
568 int tok; |
|
|
569 std::string expr_str; |
|
|
570 std::string retstr = Vgnuplot_command_using + " "; |
|
|
571 bool out = false; |
|
|
572 |
|
|
573 octave_value tmp_data; |
|
|
574 int status; |
|
|
575 while (! out) |
|
|
576 { |
|
|
577 expr_str = read_until (colon_plottok_or_end_p, tok); |
|
|
578 |
|
5958
|
579 if (! expr_str.empty () && expr_str[0] == '(') |
|
|
580 retstr += expr_str; |
|
|
581 else |
|
|
582 { |
|
|
583 tmp_data = eval_string (expr_str, true, status); |
|
|
584 if (status != 0 || ! tmp_data.is_real_scalar ()) |
|
|
585 throw gpt_parse_error (); |
|
5790
|
586 |
|
5958
|
587 std::ostringstream tmp_buf; |
|
|
588 tmp_data.print_raw (tmp_buf); |
|
|
589 retstr += tmp_buf.str (); |
|
|
590 } |
|
5790
|
591 |
|
|
592 if (tok == COLON) |
|
|
593 retstr += ":"; |
|
|
594 else |
|
|
595 out = true; |
|
|
596 } |
|
|
597 |
|
|
598 lasttok = tok; |
|
|
599 |
|
|
600 return retstr; |
|
|
601 } |
|
|
602 |
|
|
603 // Presently just passes the linewidth, pointtype etc. tokens as they are. |
|
|
604 |
|
|
605 static std::string |
|
|
606 handle_style (int& lasttok) |
|
|
607 { |
|
|
608 std::string retstr = Vgnuplot_command_with + " "; |
|
|
609 std::string style; |
|
|
610 |
|
|
611 lasttok = gptlex (); |
|
|
612 |
|
|
613 if (lasttok != IDENT) |
|
|
614 throw gpt_parse_error ("expected plot style token"); |
|
|
615 |
|
|
616 style = std::string (yytext); |
|
|
617 style = plot_style_token (style); |
|
|
618 |
|
|
619 if (! style.empty ()) |
|
|
620 retstr += style; |
|
|
621 else |
|
|
622 retstr += std::string (yytext); |
|
|
623 |
|
|
624 // FIXME -- should evaluate the remaining tokens, but this |
|
|
625 // needs changes in the parser. |
|
|
626 retstr += " " + read_until (plottok_or_end_p, lasttok); |
|
|
627 |
|
|
628 return retstr; |
|
|
629 } |
|
|
630 |
|
|
631 // Axes has only one qualifier keyword, which is not evaluated. |
|
|
632 |
|
|
633 static std::string |
|
|
634 handle_axes (int& lasttok) |
|
|
635 { |
|
|
636 return Vgnuplot_command_axes + " " + read_until (plottok_or_end_p, lasttok); |
|
|
637 } |
|
|
638 |
|
6171
|
639 static void |
|
|
640 write_data (std::ostream& os, const octave_value& val, |
|
|
641 int ndim = 2, bool parametric = false, |
|
|
642 const std::string& name = std::string ()) |
|
|
643 { |
|
|
644 switch (ndim) |
|
|
645 { |
|
|
646 case 2: |
|
|
647 save_ascii_data_for_plotting (os, val, name); |
|
|
648 break; |
|
|
649 |
|
|
650 case 3: |
|
|
651 save_three_d (os, val, parametric); |
|
|
652 break; |
|
|
653 |
|
|
654 default: |
|
|
655 gripe_2_or_3_dim_plot (); |
|
|
656 break; |
|
|
657 } |
|
|
658 } |
|
|
659 |
|
|
660 static void |
|
|
661 write_inline_data (std::ostream& os, const octave_value& val, |
|
|
662 int ndim = 2, bool parametric = false) |
|
|
663 { |
|
|
664 write_data (os, val, ndim, parametric); |
|
|
665 os << "e" << std::endl; |
|
|
666 } |
|
|
667 |
|
5790
|
668 static std::string |
|
6171
|
669 save_in_tmp_file (const octave_value& val, int ndim = 2, |
|
|
670 bool parametric = false) |
|
5790
|
671 { |
|
|
672 std::string name = file_ops::tempnam ("", "oct-"); |
|
|
673 |
|
|
674 if (! name.empty ()) |
|
|
675 { |
|
|
676 std::ofstream file (name.c_str ()); |
|
|
677 |
|
|
678 if (file) |
|
6171
|
679 write_data (file, val, ndim, parametric, name); |
|
5790
|
680 else |
|
|
681 { |
|
|
682 error ("couldn't open temporary output file `%s'", name.c_str ()); |
|
|
683 name.resize (0); |
|
|
684 } |
|
|
685 } |
|
|
686 |
|
|
687 return name; |
|
|
688 } |
|
|
689 |
|
7138
|
690 #define WARN_OBSOLETE(nm) \ |
|
|
691 do \ |
|
|
692 { \ |
|
7139
|
693 static bool warned = false; \ |
|
7138
|
694 \ |
|
|
695 if (! warned) \ |
|
|
696 { \ |
|
7140
|
697 warning ("%s: this function is obsolete and will be removed from a future version of Octave", nm); \ |
|
7138
|
698 \ |
|
|
699 warned = true; \ |
|
|
700 } \ |
|
|
701 } \ |
|
|
702 while (0) |
|
|
703 |
|
6171
|
704 DEFUN_DLD (__gnuplot_save_data__, args, , |
|
|
705 "-*- texinfo -*-\n\ |
|
|
706 @deftypefn {Loadable Function} {} __gnuplot_save_data__ (@var{data}, @var{ndim}, @var{parametric})\n\ |
|
7138
|
707 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
708 of Octave.}\n\ |
|
6171
|
709 @end deftypefn") |
|
|
710 { |
|
|
711 octave_value retval; |
|
|
712 |
|
|
713 int nargin = args.length (); |
|
|
714 |
|
|
715 if (nargin > 0 && nargin < 4) |
|
|
716 { |
|
7141
|
717 WARN_OBSOLETE ("__gnuplot_save_data__"); |
|
|
718 |
|
6171
|
719 int ndim = 2; |
|
|
720 bool parametric = false; |
|
|
721 |
|
|
722 if (nargin > 1) |
|
|
723 { |
|
|
724 ndim = args(1).int_value (); |
|
|
725 |
|
|
726 if (! error_state) |
|
|
727 { |
|
|
728 if (nargin > 2) |
|
|
729 parametric = args(2).bool_value (); |
|
|
730 } |
|
|
731 } |
|
|
732 |
|
|
733 if (! error_state) |
|
|
734 { |
|
|
735 std::string file = save_in_tmp_file (args(0), ndim, parametric); |
|
|
736 |
|
|
737 mark_for_deletion (file); |
|
|
738 |
|
|
739 retval = file; |
|
|
740 } |
|
|
741 } |
|
|
742 else |
|
|
743 print_usage (); |
|
|
744 |
|
|
745 return retval; |
|
|
746 } |
|
|
747 |
|
5790
|
748 static int |
|
|
749 get_current_figure (void) |
|
|
750 { |
|
|
751 int retval = 1; |
|
|
752 |
|
|
753 octave_value cf = get_global_value ("__current_figure__", true); |
|
|
754 |
|
|
755 if (cf.is_defined ()) |
|
|
756 retval = cf.int_value (); |
|
|
757 else |
|
|
758 set_global_value ("__current_figure__", retval); |
|
|
759 |
|
|
760 return retval; |
|
|
761 } |
|
|
762 |
|
|
763 class |
|
|
764 gnuplot |
|
|
765 { |
|
|
766 protected: |
|
|
767 |
|
|
768 gnuplot (void) |
|
|
769 : plot_line_count (0), parametric_plot (false), |
|
|
770 use_title_option (Vgnuplot_use_title_option), |
|
|
771 gnuplot_exe (Vgnuplot_binary), |
|
|
772 gnuplot_terminal_type (), plot_stream () { } |
|
|
773 |
|
|
774 public: |
|
|
775 |
|
|
776 ~gnuplot (void) { } |
|
|
777 |
|
|
778 static bool have_instance (void); |
|
|
779 |
|
|
780 static bool ensure_instance (void); |
|
|
781 |
|
|
782 static bool ensure_plot_stream (void); |
|
|
783 |
|
|
784 static void open (void); |
|
|
785 |
|
|
786 static void close (void); |
|
|
787 |
|
|
788 static void close_all (void); |
|
|
789 |
|
|
790 static bool plot_stream_event_handler (pid_t pid, int status); |
|
|
791 |
|
|
792 static void send (const std::string& cmd) |
|
|
793 { |
|
|
794 if (ensure_plot_stream ()) |
|
|
795 instance->do_send (cmd); |
|
|
796 } |
|
|
797 |
|
|
798 static void send_raw (const std::string& cmd) |
|
|
799 { |
|
|
800 if (ensure_plot_stream ()) |
|
|
801 instance->do_send_raw (cmd); |
|
|
802 } |
|
|
803 |
|
6171
|
804 static void send_inline_data (const octave_value& val, int ndim, |
|
|
805 bool parametric) |
|
|
806 { |
|
|
807 if (ensure_plot_stream ()) |
|
|
808 instance->do_send_inline_data (val, ndim, parametric); |
|
|
809 } |
|
|
810 |
|
5790
|
811 static void clear (void) |
|
|
812 { |
|
|
813 if (ensure_plot_stream ()) |
|
|
814 instance->do_clear (); |
|
|
815 } |
|
|
816 |
|
|
817 static void set (const string_vector& argv) |
|
|
818 { |
|
|
819 if (ensure_plot_stream ()) |
|
|
820 instance->do_set (argv); |
|
|
821 } |
|
|
822 |
|
|
823 static void show (const string_vector& argv) |
|
|
824 { |
|
|
825 if (ensure_plot_stream ()) |
|
|
826 instance->do_show (argv); |
|
|
827 } |
|
|
828 |
|
|
829 static void set_gnuplot_exe (const std::string& exe) |
|
|
830 { |
|
|
831 if (ensure_instance ()) |
|
|
832 instance->do_set_gnuplot_exe (exe); |
|
|
833 } |
|
|
834 |
|
|
835 static void set_gnuplot_use_title_option (bool opt) |
|
|
836 { |
|
|
837 if (ensure_instance ()) |
|
|
838 instance->do_set_gnuplot_use_title_option (opt); |
|
|
839 } |
|
|
840 |
|
|
841 // FIXME -- should only remove tmp files associated with |
|
|
842 // gnuplot? |
|
|
843 static void cleanup_tmp_files (void) { ::cleanup_tmp_files (); } |
|
|
844 |
|
|
845 static void plot (const string_vector& argv) |
|
|
846 { |
|
|
847 if (ensure_plot_stream ()) |
|
|
848 instance->do_plot (argv); |
|
|
849 } |
|
|
850 |
|
|
851 private: |
|
|
852 |
|
|
853 static gnuplot *instance; |
|
|
854 |
|
|
855 static std::map<int, gnuplot *> instance_map; |
|
|
856 |
|
|
857 // The number of lines we've plotted so far. |
|
|
858 int plot_line_count; |
|
|
859 |
|
|
860 // Is this a parametric plot? Makes a difference for 3D plotting. |
|
|
861 bool parametric_plot; |
|
|
862 |
|
|
863 // Should we append '-title "TITLE"' to the gnuplot command? |
|
|
864 bool use_title_option; |
|
|
865 |
|
|
866 // The executable program to run. |
|
|
867 std::string gnuplot_exe; |
|
|
868 |
|
|
869 // The gnuplot terminal type. |
|
|
870 std::string gnuplot_terminal_type; |
|
|
871 |
|
|
872 // Pipe to gnuplot. |
|
|
873 oprocstream *plot_stream; |
|
|
874 |
|
|
875 pid_t pid (void) const; |
|
|
876 |
|
|
877 static gnuplot *lookup_by_pid (pid_t pid); |
|
|
878 |
|
|
879 void do_open (void); |
|
|
880 |
|
|
881 void do_close (void); |
|
|
882 |
|
|
883 void delete_plot_stream (void); |
|
|
884 |
|
|
885 void reset_plot_stream (void); |
|
|
886 |
|
|
887 void do_send (const std::string& cmd); |
|
|
888 |
|
|
889 void do_send_raw (const std::string& cmd); |
|
|
890 |
|
6171
|
891 void do_send_inline_data (const octave_value& val, int ndim, |
|
|
892 bool parametric); |
|
|
893 |
|
5790
|
894 void do_clear (void); |
|
|
895 |
|
|
896 void do_set (const string_vector& argv); |
|
|
897 |
|
|
898 void do_show (const string_vector& argv); |
|
|
899 |
|
|
900 void do_set_gnuplot_exe (const std::string& exe) { gnuplot_exe = exe; } |
|
|
901 |
|
|
902 void do_set_gnuplot_use_title_option (bool opt) { use_title_option = opt; } |
|
|
903 |
|
|
904 void do_plot (const string_vector& argv); |
|
|
905 |
|
|
906 std::string |
|
|
907 makeplot (std::string caller, std::string args) throw (gpt_parse_error); |
|
|
908 |
|
|
909 std::string handle_title (int& lasttok); |
|
|
910 }; |
|
|
911 |
|
|
912 gnuplot *gnuplot::instance = 0; |
|
|
913 |
|
|
914 std::map<int, gnuplot *> gnuplot::instance_map; |
|
|
915 |
|
|
916 bool |
|
|
917 gnuplot::have_instance (void) |
|
|
918 { |
|
|
919 int current_figure = get_current_figure (); |
|
|
920 |
|
|
921 if (instance_map.find (current_figure) != instance_map.end ()) |
|
|
922 { |
|
|
923 instance = instance_map[current_figure]; |
|
|
924 return true; |
|
|
925 } |
|
|
926 else |
|
|
927 return false; |
|
|
928 } |
|
|
929 |
|
|
930 bool |
|
|
931 gnuplot::ensure_instance (void) |
|
|
932 { |
|
|
933 if (! have_instance ()) |
|
|
934 { |
|
|
935 instance = new gnuplot (); |
|
|
936 |
|
|
937 if (! instance) |
|
|
938 { |
|
|
939 ::error ("unable to create gnuplot object!"); |
|
|
940 |
|
|
941 return false; |
|
|
942 } |
|
|
943 else |
|
|
944 instance_map[get_current_figure ()] = instance; |
|
|
945 } |
|
|
946 |
|
|
947 return true; |
|
|
948 } |
|
|
949 |
|
|
950 bool |
|
|
951 gnuplot::ensure_plot_stream (void) |
|
|
952 { |
|
|
953 if (ensure_instance ()) |
|
|
954 { |
|
|
955 instance->do_open (); |
|
|
956 |
|
|
957 if (error_state) |
|
|
958 return false; |
|
|
959 } |
|
|
960 |
|
|
961 return true; |
|
|
962 } |
|
|
963 |
|
|
964 void |
|
|
965 gnuplot::close (void) |
|
|
966 { |
|
|
967 if (have_instance ()) |
|
|
968 { |
|
|
969 instance->do_close (); |
|
|
970 |
|
|
971 instance_map.erase (get_current_figure ()); |
|
|
972 } |
|
|
973 } |
|
|
974 |
|
|
975 void |
|
|
976 gnuplot::close_all (void) |
|
|
977 { |
|
|
978 for (std::map<int, gnuplot *>::const_iterator p = instance_map.begin (); |
|
|
979 p != instance_map.end (); |
|
|
980 p++) |
|
|
981 { |
|
|
982 gnuplot *elt = p->second; |
|
|
983 |
|
|
984 elt->do_close (); |
|
|
985 } |
|
|
986 } |
|
|
987 |
|
|
988 pid_t |
|
|
989 gnuplot::pid (void) const |
|
|
990 { |
|
|
991 return plot_stream ? plot_stream->pid () : -1; |
|
|
992 } |
|
|
993 |
|
|
994 gnuplot * |
|
|
995 gnuplot::lookup_by_pid (pid_t pid) |
|
|
996 { |
|
|
997 gnuplot *retval = 0; |
|
|
998 |
|
|
999 for (std::map<int, gnuplot *>::const_iterator p = instance_map.begin (); |
|
|
1000 p != instance_map.end (); |
|
|
1001 p++) |
|
|
1002 { |
|
|
1003 gnuplot *elt = p->second; |
|
|
1004 |
|
|
1005 if (elt && elt->pid () == pid) |
|
|
1006 { |
|
|
1007 retval = elt; |
|
|
1008 break; |
|
|
1009 } |
|
|
1010 } |
|
|
1011 |
|
|
1012 return retval; |
|
|
1013 } |
|
|
1014 |
|
|
1015 void |
|
|
1016 gnuplot::do_open (void) |
|
|
1017 { |
|
|
1018 static bool initialized = false; |
|
|
1019 |
|
|
1020 if (plot_stream && ! *plot_stream) |
|
|
1021 do_close (); |
|
|
1022 |
|
|
1023 if (! plot_stream) |
|
|
1024 { |
|
|
1025 initialized = false; |
|
|
1026 |
|
|
1027 plot_line_count = 0; |
|
|
1028 |
|
|
1029 std::string cmd; |
|
|
1030 |
|
|
1031 if (gnuplot_exe.empty ()) |
|
|
1032 cmd = "gnuplot"; |
|
|
1033 else |
|
|
1034 cmd = "\"" + gnuplot_exe + "\""; |
|
|
1035 |
|
|
1036 // FIXME -- I'm not sure this is the right thing to do, |
|
|
1037 // but without it, C-c at the octave prompt will kill gnuplot... |
|
|
1038 |
|
|
1039 #if defined (HAVE_POSIX_SIGNALS) |
|
|
1040 sigset_t nset, oset; |
|
|
1041 sigemptyset (&nset); |
|
|
1042 sigaddset (&nset, SIGINT); |
|
|
1043 sigprocmask (SIG_BLOCK, &nset, &oset); |
|
|
1044 #else |
|
|
1045 volatile octave_interrupt_handler old_interrupt_handler |
|
|
1046 = octave_ignore_interrupts (); |
|
|
1047 #endif |
|
|
1048 |
|
|
1049 if (use_title_option) |
|
|
1050 { |
|
|
1051 std::ostringstream buf; |
|
|
1052 |
|
|
1053 buf << cmd << " -title \"Figure " << get_current_figure () << "\""; |
|
|
1054 |
|
|
1055 cmd = buf.str (); |
|
|
1056 } |
|
|
1057 |
|
|
1058 plot_stream = new oprocstream (cmd.c_str ()); |
|
|
1059 |
|
|
1060 if (plot_stream && *plot_stream) |
|
|
1061 octave_child_list::insert (plot_stream->pid (), |
|
|
1062 plot_stream_event_handler); |
|
|
1063 else |
|
|
1064 { |
|
|
1065 delete_plot_stream (); |
|
|
1066 |
|
|
1067 error ("plot: unable to open pipe to `%s'", cmd.c_str ()); |
|
|
1068 } |
|
|
1069 |
|
|
1070 #if defined (HAVE_POSIX_SIGNALS) |
|
|
1071 sigprocmask (SIG_SETMASK, &oset, 0); |
|
|
1072 #else |
|
|
1073 octave_set_interrupt_handler (old_interrupt_handler); |
|
|
1074 #endif |
|
|
1075 } |
|
|
1076 |
|
|
1077 if (! error_state && plot_stream && *plot_stream && ! initialized) |
|
|
1078 { |
|
|
1079 initialized = true; |
|
|
1080 |
|
|
1081 do_send_raw ("set style data lines\n"); |
|
|
1082 |
|
|
1083 if (! gnuplot_terminal_type.empty ()) |
|
|
1084 do_send_raw ("set term " + gnuplot_terminal_type |
|
|
1085 + Vgnuplot_command_end + "\n"); |
|
|
1086 } |
|
|
1087 } |
|
|
1088 |
|
|
1089 void |
|
|
1090 gnuplot::delete_plot_stream (void) |
|
|
1091 { |
|
|
1092 do_send_raw ("\nquit\n"); |
|
|
1093 |
|
|
1094 delete plot_stream; |
|
|
1095 plot_stream = 0; |
|
|
1096 } |
|
|
1097 |
|
|
1098 void |
|
|
1099 gnuplot::reset_plot_stream (void) |
|
|
1100 { |
|
|
1101 delete_plot_stream (); |
|
|
1102 |
|
|
1103 plot_line_count = 0; |
|
|
1104 parametric_plot = false; |
|
|
1105 } |
|
|
1106 |
|
|
1107 void |
|
|
1108 gnuplot::do_close (void) |
|
|
1109 { |
|
|
1110 if (plot_stream) |
|
|
1111 { |
|
|
1112 octave_child_list::remove (plot_stream->pid ()); |
|
|
1113 |
|
|
1114 delete_plot_stream (); |
|
|
1115 } |
|
|
1116 |
|
|
1117 plot_line_count = 0; |
|
|
1118 } |
|
|
1119 |
|
|
1120 bool |
|
|
1121 gnuplot::plot_stream_event_handler (pid_t pid, int status) |
|
|
1122 { |
|
|
1123 bool retval = false; |
|
|
1124 |
|
|
1125 if (pid > 0) |
|
|
1126 { |
|
|
1127 if (WIFEXITED (status) || WIFSIGNALLED (status)) |
|
|
1128 { |
|
|
1129 gnuplot *plotter = gnuplot::lookup_by_pid (pid); |
|
|
1130 |
|
|
1131 // We should only print a warning or request removal of the |
|
|
1132 // process from the child list if the process died |
|
|
1133 // unexpectedly. If do_close is responsible for |
|
|
1134 // gnuplot's death, then plotter will be 0 here and we don't |
|
|
1135 // need to do anything. |
|
|
1136 |
|
|
1137 if (plotter) |
|
|
1138 { |
|
|
1139 plotter->reset_plot_stream (); |
|
|
1140 |
|
|
1141 warning ("connection to external plotter (pid = %d) lost --", pid); |
|
|
1142 // Request removal of this PID from the list of child |
|
|
1143 // processes. |
|
|
1144 |
|
|
1145 retval = true; |
|
|
1146 } |
|
|
1147 } |
|
|
1148 } |
|
|
1149 |
|
|
1150 return retval; |
|
|
1151 } |
|
|
1152 |
|
|
1153 void |
|
|
1154 gnuplot::do_send (const std::string& cmd) |
|
|
1155 { |
|
|
1156 int replot_len = Vgnuplot_command_replot.length (); |
|
|
1157 |
|
|
1158 bool is_replot = (Vgnuplot_command_replot == cmd.substr (0, replot_len)); |
|
|
1159 |
|
|
1160 if (! (plot_line_count == 0 && is_replot)) |
|
|
1161 do_send_raw (cmd); |
|
|
1162 } |
|
|
1163 |
|
|
1164 void |
|
|
1165 gnuplot::do_send_raw (const std::string& cmd) |
|
|
1166 { |
|
|
1167 if (plot_stream && *plot_stream) |
|
|
1168 { |
|
|
1169 *plot_stream << cmd; |
|
|
1170 |
|
|
1171 plot_stream->flush (); |
|
|
1172 } |
|
|
1173 } |
|
|
1174 |
|
|
1175 void |
|
6171
|
1176 gnuplot::do_send_inline_data (const octave_value& val, int ndim, |
|
|
1177 bool parametric) |
|
|
1178 { |
|
|
1179 if (plot_stream && *plot_stream) |
|
|
1180 { |
|
|
1181 write_inline_data (*plot_stream, val, ndim, parametric); |
|
|
1182 |
|
|
1183 plot_stream->flush (); |
|
|
1184 } |
|
|
1185 } |
|
|
1186 |
|
|
1187 void |
|
5790
|
1188 gnuplot::do_clear (void) |
|
|
1189 { |
|
|
1190 do_send_raw ("clear\n"); |
|
|
1191 |
|
|
1192 // FIXME -- instead of just clearing these things, it would |
|
|
1193 // be nice if we could reset things to a user-specified default |
|
|
1194 // state. |
|
|
1195 |
|
|
1196 do_send_raw ("set title\n"); |
|
|
1197 do_send_raw ("set xlabel\n"); |
|
|
1198 do_send_raw ("set ylabel\n"); |
|
|
1199 do_send_raw ("set nogrid\n"); |
|
|
1200 do_send_raw ("set nolabel\n"); |
|
|
1201 |
|
|
1202 // This makes a simple `replot' not work after a `clearplot' command |
|
|
1203 // has been issued. |
|
|
1204 |
|
|
1205 plot_line_count = 0; |
|
|
1206 } |
|
|
1207 |
|
|
1208 void |
|
|
1209 gnuplot::do_set (const string_vector& argv) |
|
|
1210 { |
|
|
1211 int argc = argv.length (); |
|
|
1212 |
|
|
1213 std::ostringstream plot_buf; |
|
|
1214 |
|
|
1215 if (argc > 1) |
|
|
1216 { |
|
|
1217 if (almost_match ("parametric", argv[1], 3)) |
|
|
1218 parametric_plot = true; |
|
|
1219 else if (almost_match ("noparametric", argv[1], 5)) |
|
|
1220 parametric_plot = false; |
|
|
1221 else if (almost_match ("term", argv[1], 1)) |
|
|
1222 { |
|
|
1223 gnuplot_terminal_type = ""; |
|
|
1224 std::ostringstream buf; |
|
|
1225 int i; |
|
|
1226 for (i = 2; i < argc-1; i++) |
|
|
1227 buf << argv[i] << " "; |
|
|
1228 if (i < argc) |
|
|
1229 buf << argv[i]; |
|
|
1230 buf << Vgnuplot_command_end; |
|
|
1231 gnuplot_terminal_type = buf.str (); |
|
|
1232 } |
|
|
1233 } |
|
|
1234 |
|
|
1235 int i; |
|
|
1236 for (i = 0; i < argc-1; i++) |
|
|
1237 plot_buf << argv[i] << " "; |
|
|
1238 |
|
|
1239 if (i < argc) |
|
|
1240 plot_buf << argv[i]; |
|
|
1241 |
|
|
1242 plot_buf << Vgnuplot_command_end; |
|
|
1243 |
|
|
1244 do_send_raw (plot_buf.str ()); |
|
|
1245 } |
|
|
1246 |
|
|
1247 void |
|
|
1248 gnuplot::do_show (const string_vector& argv) |
|
|
1249 { |
|
|
1250 int argc = argv.length (); |
|
|
1251 |
|
|
1252 std::ostringstream plot_buf; |
|
|
1253 |
|
|
1254 int i; |
|
|
1255 for (i = 0; i < argc-1; i++) |
|
|
1256 plot_buf << argv[i] << " "; |
|
|
1257 if (i < argc) |
|
|
1258 plot_buf << argv[i]; |
|
|
1259 |
|
|
1260 plot_buf << Vgnuplot_command_end; |
|
|
1261 |
|
|
1262 do_send (plot_buf.str ()); |
|
|
1263 } |
|
|
1264 |
|
|
1265 void |
|
|
1266 gnuplot::do_plot (const string_vector& argv) |
|
|
1267 { |
|
|
1268 std::string s; |
|
|
1269 |
|
|
1270 for (int i = 1; i < argv.length (); i++) |
|
|
1271 s += argv[i] + " "; |
|
|
1272 |
|
|
1273 try |
|
|
1274 { |
|
|
1275 std::string cmd = makeplot (argv[0], s); |
|
|
1276 |
|
|
1277 do_send (cmd); |
|
|
1278 } |
|
|
1279 catch (gpt_parse_error& e) |
|
|
1280 { |
|
|
1281 if (e.msg.empty ()) |
|
|
1282 error ("could not parse plot command"); |
|
|
1283 else |
|
|
1284 error (e.msg.c_str ()); |
|
|
1285 } |
|
|
1286 } |
|
|
1287 |
|
|
1288 // Parse and evaluate parameter string and pass it to gnuplot pipe. |
|
|
1289 |
|
|
1290 std::string |
|
|
1291 gnuplot::makeplot (std::string caller, std::string args) |
|
|
1292 throw (gpt_parse_error) |
|
|
1293 { |
|
|
1294 std::string retval; |
|
|
1295 |
|
|
1296 YY_BUFFER_STATE bstate; |
|
|
1297 |
|
|
1298 bstate = yy_scan_string (args.c_str ()); |
|
|
1299 yy_switch_to_buffer (bstate); |
|
|
1300 std::string outstr; |
|
|
1301 int ndim = 2; |
|
|
1302 |
|
|
1303 if (caller == "replot") |
|
|
1304 { |
|
|
1305 ndim = 1; |
|
|
1306 outstr += Vgnuplot_command_replot + " "; |
|
|
1307 } |
|
|
1308 else if (caller == "plot") |
|
|
1309 { |
|
|
1310 ndim = 2; |
|
|
1311 plot_line_count = 0; |
|
|
1312 outstr += Vgnuplot_command_plot + " "; |
|
|
1313 } |
|
|
1314 else if (caller == "splot") |
|
|
1315 { |
|
|
1316 ndim = 3; |
|
|
1317 plot_line_count = 0; |
|
|
1318 outstr += Vgnuplot_command_splot + " "; |
|
|
1319 } |
|
|
1320 else |
|
|
1321 throw gpt_parse_error ("unknown plot command"); |
|
|
1322 |
|
|
1323 gpt_quote_is_transpose = false; |
|
|
1324 gpt_allow_plotkw = false; |
|
|
1325 gpt_parens = 0; |
|
|
1326 gpt_braces = 0; |
|
|
1327 gpt_brackets = 0; |
|
|
1328 |
|
|
1329 int tok; |
|
|
1330 tok = gptlex (); |
|
|
1331 if (plottok_or_end_p (tok) && caller != "replot") |
|
|
1332 throw gpt_parse_error ("must have something to plot"); |
|
|
1333 |
|
|
1334 while (tok) |
|
|
1335 { |
|
|
1336 bool title_set = false; |
|
|
1337 bool using_set = false; |
|
|
1338 bool style_set = false; |
|
|
1339 bool axes_set = false; |
|
|
1340 |
|
|
1341 if (tok == START_BRACKET) |
|
|
1342 { |
|
|
1343 if (caller == "replot") |
|
|
1344 throw gpt_parse_error ("can't specify new plot ranges with `replot' or while hold is on"); |
|
|
1345 |
|
|
1346 std::string xrange_start_str = read_until (colonp, tok); |
|
|
1347 std::string xrange_end_str = read_until (endbracketp, tok); |
|
|
1348 outstr += printrange (xrange_start_str, xrange_end_str) + " "; |
|
|
1349 tok = gptlex (); |
|
|
1350 if (tok == START_BRACKET) |
|
|
1351 { |
|
|
1352 std::string yrange_start_str = read_until (colonp, tok); |
|
|
1353 std::string yrange_end_str = read_until (endbracketp, tok); |
|
|
1354 outstr += printrange (yrange_start_str, yrange_end_str) + " "; |
|
|
1355 tok = gptlex (); |
|
6548
|
1356 if (tok == START_BRACKET && caller == "splot") |
|
5790
|
1357 { |
|
|
1358 std::string zrange_start_str = read_until (colonp, tok); |
|
|
1359 std::string zrange_end_str = read_until (endbracketp, tok); |
|
|
1360 outstr += printrange (zrange_start_str, zrange_end_str) + " "; |
|
|
1361 tok = gptlex (); |
|
|
1362 } |
|
|
1363 } |
|
|
1364 } |
|
|
1365 |
|
|
1366 if (plottok_or_end_p (tok)) |
|
|
1367 return std::string (); |
|
|
1368 else |
|
|
1369 { |
|
|
1370 std::string file; |
|
|
1371 plot_line_count++; |
|
|
1372 |
|
|
1373 std::string plot_expr_str; |
|
|
1374 plot_expr_str += std::string (yytext) + " "; |
|
|
1375 plot_expr_str += read_until (plottok_or_end_p, tok); |
|
|
1376 |
|
|
1377 int status = 0; |
|
|
1378 octave_value tmp_data = eval_string (plot_expr_str, |
|
|
1379 true, status); |
|
|
1380 |
|
|
1381 if (status != 0 || ! tmp_data.is_defined ()) |
|
|
1382 throw gpt_parse_error (); |
|
|
1383 |
|
|
1384 std::ostringstream tmp_buf; |
|
|
1385 tmp_data.print_raw (tmp_buf); |
|
|
1386 |
|
|
1387 if (tmp_data.is_string ()) |
|
|
1388 { |
|
|
1389 file = file_ops::tilde_expand (tmp_data.string_value ()); |
|
|
1390 // FIXME -- perhaps should check if the file exists? |
|
|
1391 outstr += file + " "; |
|
|
1392 } |
|
|
1393 else |
|
|
1394 { |
|
|
1395 switch (ndim) |
|
|
1396 { |
|
|
1397 case 2: |
|
|
1398 file = save_in_tmp_file (tmp_data, ndim); |
|
|
1399 break; |
|
|
1400 |
|
|
1401 case 3: |
|
|
1402 file = save_in_tmp_file (tmp_data, ndim, |
|
|
1403 parametric_plot); |
|
|
1404 break; |
|
|
1405 |
|
|
1406 default: |
|
|
1407 gripe_2_or_3_dim_plot (); |
|
|
1408 break; |
|
|
1409 } |
|
|
1410 |
|
|
1411 if (file.length () > 0) |
|
|
1412 { |
|
|
1413 mark_for_deletion (file); |
|
|
1414 outstr += "'" + file + "' "; |
|
|
1415 } |
|
|
1416 } |
|
|
1417 } |
|
|
1418 |
|
|
1419 std::string title_str; |
|
|
1420 std::string using_str; |
|
|
1421 std::string style_str; |
|
|
1422 std::string axes_str; |
|
|
1423 |
|
|
1424 bool out = false; |
|
|
1425 while (tok && ! out) |
|
|
1426 { |
|
|
1427 switch (tok) |
|
|
1428 { |
|
|
1429 case COMMA: |
|
|
1430 out = true; |
|
|
1431 break; |
|
|
1432 |
|
|
1433 case TITLE: |
|
|
1434 if (! title_set) |
|
|
1435 title_str += handle_title (tok) + " "; |
|
|
1436 else |
|
|
1437 throw gpt_parse_error ("only one title option may be specified"); |
|
|
1438 title_set = true; |
|
|
1439 break; |
|
|
1440 |
|
|
1441 case USING: |
|
|
1442 if (! using_set) |
|
|
1443 using_str += handle_using (tok) + " "; |
|
|
1444 else |
|
|
1445 throw gpt_parse_error ("only one using option may be specified"); |
|
|
1446 using_set = true; |
|
|
1447 break; |
|
|
1448 |
|
|
1449 case WITH: |
|
|
1450 if (! style_set) |
|
|
1451 style_str += handle_style (tok) + " "; |
|
|
1452 else |
|
|
1453 throw gpt_parse_error ("only one style option may be specified"); |
|
|
1454 style_set = true; |
|
|
1455 break; |
|
|
1456 |
|
|
1457 case AXES: |
|
|
1458 if (! axes_set) |
|
|
1459 axes_str += handle_axes (tok) + " "; |
|
|
1460 else |
|
|
1461 throw gpt_parse_error ("only one axes option may be specified"); |
|
|
1462 axes_set = true; |
|
|
1463 break; |
|
|
1464 |
|
|
1465 default: |
|
|
1466 tok = 0; |
|
|
1467 break; |
|
|
1468 } |
|
|
1469 } |
|
|
1470 |
|
|
1471 if (! title_set) |
|
|
1472 { |
|
|
1473 std::ostringstream tmp_buf; |
|
|
1474 tmp_buf << Vgnuplot_command_title << " \"line " |
|
|
1475 << plot_line_count << "\" "; |
|
|
1476 title_str = tmp_buf.str (); |
|
|
1477 title_set = true; |
|
|
1478 } |
|
|
1479 |
|
|
1480 // Plot parameters have to be output in this order. |
|
|
1481 if (using_set) |
|
|
1482 outstr += using_str; |
|
|
1483 |
|
|
1484 if (axes_set) |
|
|
1485 outstr += axes_str; |
|
|
1486 |
|
|
1487 if (title_set) |
|
|
1488 outstr += title_str; |
|
|
1489 |
|
|
1490 if (style_set) |
|
|
1491 outstr += style_str; |
|
|
1492 |
|
|
1493 if (out) |
|
|
1494 { |
|
|
1495 // Saw comma on while loop. |
|
|
1496 outstr += ", "; |
|
|
1497 gpt_quote_is_transpose = false; |
|
|
1498 gpt_allow_plotkw = false; |
|
|
1499 gpt_parens = 0; |
|
|
1500 gpt_braces = 0; |
|
|
1501 gpt_brackets = 0; |
|
|
1502 tok = gptlex (); |
|
|
1503 } |
|
|
1504 } |
|
|
1505 |
|
|
1506 outstr += Vgnuplot_command_end; |
|
|
1507 |
|
|
1508 return outstr; |
|
|
1509 } |
|
|
1510 |
|
|
1511 // Title has one string expression which is evaluated and printed to the |
|
|
1512 // gnuplot command string. |
|
|
1513 |
|
|
1514 std::string |
|
|
1515 gnuplot::handle_title (int& lasttok) |
|
|
1516 { |
|
|
1517 int tok; |
|
|
1518 std::string retstr = Vgnuplot_command_title + " "; |
|
|
1519 std::string title_expr_str; |
|
|
1520 |
|
|
1521 title_expr_str += read_until (plottok_or_end_p, tok); |
|
|
1522 |
|
|
1523 int status; |
|
|
1524 octave_value tmp_data = eval_string (title_expr_str, true, status); |
|
|
1525 |
|
|
1526 if (status != 0 || ! tmp_data.is_defined ()) |
|
|
1527 throw gpt_parse_error (); |
|
|
1528 |
|
|
1529 std::ostringstream tmp_buf; |
|
|
1530 if (tmp_data.is_string ()) |
|
|
1531 { |
|
|
1532 tmp_buf << '"'; |
|
|
1533 tmp_data.print_raw (tmp_buf); |
|
|
1534 tmp_buf << '"'; |
|
|
1535 } |
|
|
1536 else |
|
|
1537 { |
|
|
1538 warning ("line title must be a string"); |
|
|
1539 tmp_buf << '"' << "line " << plot_line_count << '"'; |
|
|
1540 } |
|
|
1541 |
|
|
1542 retstr += tmp_buf.str (); |
|
|
1543 |
|
|
1544 lasttok = tok; |
|
|
1545 |
|
|
1546 return retstr; |
|
|
1547 } |
|
|
1548 |
|
|
1549 // The static instance of this class is here so that |
|
|
1550 // gnuplot::close_all will be called when the .oct file is unloaded. |
|
|
1551 |
|
|
1552 class |
|
|
1553 gnuplot_X |
|
|
1554 { |
|
|
1555 public: |
|
|
1556 gnuplot_X (void) { } |
|
|
1557 ~gnuplot_X (void) { gnuplot::close_all (); } |
|
|
1558 }; |
|
|
1559 |
|
|
1560 static gnuplot_X X; |
|
|
1561 |
|
|
1562 // ----------------------- |
|
|
1563 // User-callable functions |
|
|
1564 // ----------------------- |
|
|
1565 |
|
5794
|
1566 DEFUN_DLD (gnuplot_binary, args, nargout, |
|
5790
|
1567 "-*- texinfo -*-\n\ |
|
5794
|
1568 @deftypefn {Loadable Function} {@var{val} =} gnuplot_binary ()\n\ |
|
|
1569 @deftypefnx {Loadable Function} {@var{old_val} =} gnuplot_binary (@var{new_val})\n\ |
|
|
1570 Query or set the name of the program invoked by the plot command.\n\ |
|
|
1571 The default value @code{\"gnuplot\"}. @xref{Installation}.\n\ |
|
5790
|
1572 @end deftypefn") |
|
|
1573 { |
|
|
1574 octave_value retval = SET_INTERNAL_VARIABLE (gnuplot_binary); |
|
|
1575 |
|
|
1576 if (! error_state && args.length () == 1) |
|
|
1577 gnuplot::set_gnuplot_exe (Vgnuplot_binary); |
|
|
1578 |
|
|
1579 return retval; |
|
|
1580 } |
|
|
1581 |
|
5794
|
1582 DEFUN_DLD (gnuplot_command_plot, args, nargout, |
|
5790
|
1583 "-*- texinfo -*-\n\ |
|
|
1584 @deftypefn {Loadable Function} {@var{val} = } gnuplot_command_plot ()\n\ |
|
|
1585 @deftypefnx {Loadable Function} {@var{old_val} = } gnuplot_command_plot (@var{new_val})\n\ |
|
7117
|
1586 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1587 of Octave.}\n\ |
|
5790
|
1588 @end deftypefn") |
|
|
1589 { |
|
7138
|
1590 WARN_OBSOLETE ("gnuplot_command_plot"); |
|
|
1591 |
|
5790
|
1592 return SET_INTERNAL_VARIABLE (gnuplot_command_plot); |
|
|
1593 } |
|
|
1594 |
|
5794
|
1595 DEFUN_DLD (gnuplot_command_replot, args, nargout, |
|
5790
|
1596 "-*- texinfo -*-\n\ |
|
|
1597 @deftypefn {Loadable Function} {@var{val} =} gnuplot_command_replot ()\n\ |
|
|
1598 @deftypefnx {Loadable Function} {@var{old_val} =} gnuplot_command_replot (@var{new_val})\n\ |
|
7117
|
1599 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1600 of Octave.}\n\ |
|
5790
|
1601 @end deftypefn") |
|
|
1602 { |
|
7138
|
1603 WARN_OBSOLETE ("gnuplot_command_replot"); |
|
|
1604 |
|
5790
|
1605 return SET_INTERNAL_VARIABLE (gnuplot_command_replot); |
|
|
1606 } |
|
|
1607 |
|
5794
|
1608 DEFUN_DLD (gnuplot_command_splot, args, nargout, |
|
5790
|
1609 "-*- texinfo -*-\n\ |
|
|
1610 @deftypefn {Loadable Function} {@var{val} =} gnuplot_command_splot ()\n\ |
|
|
1611 @deftypefnx {Loadable Function} {@var{old_val} =} gnuplot_command_splot (@var{new_val})\n\ |
|
7117
|
1612 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1613 of Octave.}\n\ |
|
5790
|
1614 @end deftypefn") |
|
|
1615 { |
|
7138
|
1616 WARN_OBSOLETE ("gnuplot_command_splot"); |
|
|
1617 |
|
5790
|
1618 return SET_INTERNAL_VARIABLE (gnuplot_command_splot); |
|
|
1619 } |
|
|
1620 |
|
5794
|
1621 DEFUN_DLD (gnuplot_command_using, args, nargout, |
|
5790
|
1622 "-*- texinfo -*-\n\ |
|
|
1623 @deftypefn {Loadable Function} {@var{val} =} gnuplot_command_using ()\n\ |
|
|
1624 @deftypefnx {Loadable Function} {@var{old_val} =} gnuplot_command_using (@var{new_val})\n\ |
|
7117
|
1625 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1626 of Octave.}\n\ |
|
5790
|
1627 @end deftypefn") |
|
|
1628 { |
|
7138
|
1629 WARN_OBSOLETE ("gnuplot_command_using"); |
|
|
1630 |
|
5790
|
1631 return SET_INTERNAL_VARIABLE (gnuplot_command_using); |
|
|
1632 } |
|
|
1633 |
|
5794
|
1634 DEFUN_DLD (gnuplot_command_with, args, nargout, |
|
5790
|
1635 "-*- texinfo -*-\n\ |
|
|
1636 @deftypefn {Loadable Function} {@var{val} =} gnuplot_command_with ()\n\ |
|
|
1637 @deftypefnx {Loadable Function} {@var{old_val} =} gnuplot_command_with (@var{new_val})\n\ |
|
7117
|
1638 of Octave.}\n\ |
|
5790
|
1639 @end deftypefn") |
|
|
1640 { |
|
7138
|
1641 WARN_OBSOLETE ("gnuplot_command_with"); |
|
|
1642 |
|
5790
|
1643 return SET_INTERNAL_VARIABLE (gnuplot_command_with); |
|
|
1644 } |
|
|
1645 |
|
5794
|
1646 DEFUN_DLD (gnuplot_command_axes, args, nargout, |
|
5790
|
1647 "-*- texinfo -*-\n\ |
|
|
1648 @deftypefn {Loadable Function} {@var{val} =} gnuplot_command_axes ()\n\ |
|
|
1649 @deftypefnx {Loadable Function} {@var{old_val} =} gnuplot_command_axes (@var{new_val})\n\ |
|
7117
|
1650 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1651 of Octave.}\n\ |
|
5790
|
1652 @end deftypefn") |
|
|
1653 { |
|
7138
|
1654 WARN_OBSOLETE ("gnuplot_command_axes"); |
|
|
1655 |
|
5790
|
1656 return SET_INTERNAL_VARIABLE (gnuplot_command_axes); |
|
|
1657 } |
|
|
1658 |
|
5794
|
1659 DEFUN_DLD (gnuplot_command_title, args, nargout, |
|
5790
|
1660 "-*- texinfo -*-\n\ |
|
|
1661 @deftypefn {Loadable Function} {@var{val} =} gnuplot_command_title ()\n\ |
|
|
1662 @deftypefnx {Loadable Function} {@var{old_val} =} gnuplot_command_title (@var{new_val})\n\ |
|
7117
|
1663 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1664 of Octave.}\n\ |
|
5790
|
1665 @end deftypefn") |
|
|
1666 { |
|
7138
|
1667 WARN_OBSOLETE ("gnuplot_command_title"); |
|
|
1668 |
|
5790
|
1669 return SET_INTERNAL_VARIABLE (gnuplot_command_title); |
|
|
1670 } |
|
|
1671 |
|
5794
|
1672 DEFUN_DLD (gnuplot_command_end, args, nargout, |
|
5790
|
1673 "-*- texinfo -*-\n\ |
|
|
1674 @deftypefn {Loadable Function} {@var{val} =} gnuplot_command_end ()\n\ |
|
|
1675 @deftypefnx {Loadable Function} {@var{old_val} =} gnuplot_command_end (@var{new_val})\n\ |
|
7117
|
1676 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1677 of Octave.}\n\ |
|
|
1678 \n\ |
|
5790
|
1679 @end deftypefn") |
|
|
1680 { |
|
7138
|
1681 WARN_OBSOLETE ("gnuplot_command_end"); |
|
|
1682 |
|
5790
|
1683 return SET_INTERNAL_VARIABLE (gnuplot_command_end); |
|
|
1684 } |
|
|
1685 |
|
5794
|
1686 DEFUN_DLD (gnuplot_use_title_option, args, nargout, |
|
5790
|
1687 "-*- texinfo -*-\n\ |
|
|
1688 @deftypefn {Loadable Function} {@var{val} =} gnuplot_use_title_option ()\n\ |
|
|
1689 @deftypefnx {Loadable Function} {@var{old_val} =} gnuplot_use_title_option (@var{new_val})\n\ |
|
|
1690 If enabled, append @samp{-title \"Figure NN\"} to the gnuplot command.\n\ |
|
|
1691 By default, this feature is enabled if the @code{DISPLAY} environment\n\ |
|
|
1692 variable is set when Octave starts.\n\ |
|
7117
|
1693 \n\ |
|
|
1694 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1695 of Octave.}\n\ |
|
5790
|
1696 @end deftypefn") |
|
|
1697 { |
|
7138
|
1698 WARN_OBSOLETE ("gnuplot_command_use_title_option"); |
|
|
1699 |
|
5790
|
1700 return SET_INTERNAL_VARIABLE (gnuplot_use_title_option); |
|
|
1701 } |
|
|
1702 |
|
6030
|
1703 DEFUN_DLD (__clear_plot_window__, , , |
|
5790
|
1704 "-*- texinfo -*-\n\ |
|
|
1705 @deftypefn {Loadable Function} {} clearplot\n\ |
|
|
1706 @deftypefnx {Loadable Function} {} clg\n\ |
|
6030
|
1707 Clear the plot window and any titles or axis labels.\n\ |
|
7117
|
1708 \n\ |
|
|
1709 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1710 of Octave.}\n\ |
|
5790
|
1711 @end deftypefn") |
|
|
1712 { |
|
7138
|
1713 WARN_OBSOLETE ("__clear_plot_window__"); |
|
|
1714 |
|
5790
|
1715 gnuplot::clear (); |
|
|
1716 |
|
|
1717 return octave_value_list (); |
|
|
1718 } |
|
|
1719 |
|
|
1720 DEFUN_DLD (closeplot, , , |
|
|
1721 "-*- texinfo -*-\n\ |
|
|
1722 @deftypefn {Loadable Function} {} closeplot\n\ |
|
7117
|
1723 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1724 of Octave.}\n\ |
|
|
1725 \n\ |
|
5790
|
1726 Close stream to the @code{gnuplot} subprocess. If you are using X11,\n\ |
|
|
1727 this will close the plot window.\n\ |
|
7117
|
1728 @seealso{close}\n\ |
|
5790
|
1729 @end deftypefn") |
|
|
1730 { |
|
7151
|
1731 WARN_OBSOLETE ("closeplot"); |
|
7138
|
1732 |
|
5790
|
1733 gnuplot::close (); |
|
|
1734 |
|
|
1735 return octave_value_list (); |
|
|
1736 } |
|
|
1737 |
|
|
1738 DEFUN_DLD (purge_tmp_files, , , |
|
|
1739 "-*- texinfo -*-\n\ |
|
|
1740 @deftypefn {Loadable Function} {} purge_tmp_files\n\ |
|
|
1741 Delete the temporary files created by the plotting commands.\n\ |
|
|
1742 \n\ |
|
|
1743 Octave creates temporary data files for @code{gnuplot} and then sends\n\ |
|
|
1744 commands to @code{gnuplot} through a pipe. Octave will delete the\n\ |
|
|
1745 temporary files on exit, but if you are doing a lot of plotting you may\n\ |
|
|
1746 want to clean up in the middle of a session.\n\ |
|
|
1747 \n\ |
|
7117
|
1748 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1749 of Octave.}\n\ |
|
5790
|
1750 @end deftypefn") |
|
|
1751 { |
|
7138
|
1752 WARN_OBSOLETE ("purge_tmp_files"); |
|
|
1753 |
|
5790
|
1754 gnuplot::cleanup_tmp_files (); |
|
|
1755 |
|
|
1756 return octave_value_list (); |
|
|
1757 } |
|
7150
|
1758 |
|
5790
|
1759 DEFUN_DLD (__gnuplot_raw__, args, , |
|
|
1760 "-*- texinfo -*-\n\ |
|
|
1761 @deftypefn {Loadable Function} {} __gnuplot_raw__ (@var{string})\n\ |
|
|
1762 Send @var{string} directly to gnuplot subprocess.\n\ |
|
7117
|
1763 \n\ |
|
|
1764 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1765 of Octave.}\n\ |
|
5790
|
1766 @end deftypefn") |
|
|
1767 { |
|
|
1768 if (args.length () == 1 && args(0).is_string ()) |
|
|
1769 { |
|
7141
|
1770 WARN_OBSOLETE ("__gnuplot_raw__"); |
|
|
1771 |
|
5790
|
1772 std::string cmd = args(0).string_value (); |
|
|
1773 |
|
|
1774 gnuplot::send_raw (cmd); |
|
|
1775 } |
|
|
1776 else |
|
5823
|
1777 print_usage (); |
|
5790
|
1778 |
|
|
1779 return octave_value_list (); |
|
|
1780 } |
|
|
1781 |
|
6171
|
1782 DEFUN_DLD (__gnuplot_send_inline_data__, args, , |
|
|
1783 "-*- texinfo -*-\n\ |
|
6180
|
1784 @deftypefn {Loadable Function} {} __gnuplot_send_inline_data__ (@var{data}, @var{ndim}, @var{parametric})\n\ |
|
6171
|
1785 Send @var{val} to gnuplot subprocess as inline data.\n\ |
|
7117
|
1786 \n\ |
|
|
1787 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1788 of Octave.}\n\ |
|
6171
|
1789 @end deftypefn") |
|
|
1790 { |
|
|
1791 octave_value retval; |
|
|
1792 |
|
|
1793 int nargin = args.length (); |
|
|
1794 |
|
|
1795 if (nargin > 0 && nargin < 4) |
|
|
1796 { |
|
7141
|
1797 WARN_OBSOLETE ("__gnuplot_send_inline_data__"); |
|
|
1798 |
|
6171
|
1799 int ndim = 2; |
|
|
1800 bool parametric = false; |
|
|
1801 |
|
|
1802 if (nargin > 1) |
|
|
1803 { |
|
|
1804 ndim = args(1).int_value (); |
|
|
1805 |
|
|
1806 if (! error_state) |
|
|
1807 { |
|
|
1808 if (nargin > 2) |
|
|
1809 parametric = args(2).bool_value (); |
|
|
1810 } |
|
|
1811 } |
|
|
1812 |
|
|
1813 if (! error_state) |
|
|
1814 gnuplot::send_inline_data (args(0), ndim, parametric); |
|
|
1815 } |
|
|
1816 else |
|
|
1817 print_usage (); |
|
|
1818 |
|
|
1819 return retval; |
|
|
1820 } |
|
|
1821 |
|
5790
|
1822 DEFUN_DLD (__gnuplot_set__, args, , |
|
|
1823 "-*- texinfo -*-\n\ |
|
5832
|
1824 @deffn {Loadable Function} __gnuplot_set__ options\n\ |
|
5790
|
1825 Set plotting options for gnuplot\n\ |
|
7117
|
1826 \n\ |
|
|
1827 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1828 of Octave.}\n\ |
|
5790
|
1829 @end deffn") |
|
|
1830 { |
|
7138
|
1831 WARN_OBSOLETE ("__gnuplot_set__"); |
|
|
1832 |
|
5790
|
1833 string_vector argv = args.make_argv ("set"); |
|
|
1834 |
|
|
1835 if (! error_state) |
|
|
1836 gnuplot::set (argv); |
|
|
1837 |
|
|
1838 return octave_value_list (); |
|
|
1839 } |
|
|
1840 |
|
|
1841 DEFUN_DLD (__gnuplot_show__, args, , |
|
|
1842 "-*- texinfo -*-\n\ |
|
5832
|
1843 @deffn {Loadable Function} __gnuplot_show__ options\n\ |
|
5790
|
1844 Show plotting options.\n\ |
|
7117
|
1845 \n\ |
|
|
1846 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1847 of Octave.}\n\ |
|
5790
|
1848 @end deffn") |
|
|
1849 { |
|
7138
|
1850 WARN_OBSOLETE ("__gnuplot_show__"); |
|
|
1851 |
|
5790
|
1852 string_vector argv = args.make_argv ("show"); |
|
|
1853 |
|
|
1854 if (! error_state) |
|
|
1855 gnuplot::show (argv); |
|
|
1856 |
|
|
1857 return octave_value_list (); |
|
|
1858 } |
|
|
1859 |
|
|
1860 DEFUN_DLD (__gnuplot_plot__, args, , |
|
7117
|
1861 "-*- texinfo -*-\n\ |
|
|
1862 Plot with gnuplot.\n\ |
|
|
1863 \n\ |
|
|
1864 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1865 of Octave.}") |
|
5790
|
1866 { |
|
7138
|
1867 WARN_OBSOLETE ("__gnuplot_plot__"); |
|
|
1868 |
|
5790
|
1869 string_vector argv = args.make_argv ("plot"); |
|
|
1870 |
|
|
1871 if (! error_state) |
|
|
1872 gnuplot::plot (argv); |
|
|
1873 |
|
|
1874 return octave_value_list (); |
|
|
1875 } |
|
|
1876 |
|
|
1877 DEFUN_DLD (__gnuplot_splot__, args, , |
|
7117
|
1878 "-*- texinfo -*-\n\ |
|
|
1879 Plot with gnuplot.\n\ |
|
|
1880 \n\ |
|
|
1881 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1882 of Octave.}") |
|
5790
|
1883 { |
|
7138
|
1884 WARN_OBSOLETE ("__gnuplot_splot__"); |
|
|
1885 |
|
5790
|
1886 string_vector argv = args.make_argv ("splot"); |
|
|
1887 |
|
|
1888 if (! error_state) |
|
|
1889 gnuplot::plot (argv); |
|
|
1890 |
|
|
1891 return octave_value_list (); |
|
|
1892 } |
|
|
1893 |
|
|
1894 DEFUN_DLD (__gnuplot_replot__, args, , |
|
7117
|
1895 "-*- texinfo -*-\n\ |
|
|
1896 Plot with gnuplot.\n\ |
|
|
1897 \n\ |
|
|
1898 @strong{This function is obsolete and will be removed from a future version\n\ |
|
|
1899 of Octave.}") |
|
5790
|
1900 { |
|
7138
|
1901 WARN_OBSOLETE ("__gnuplot_replot__"); |
|
|
1902 |
|
5790
|
1903 string_vector argv = args.make_argv ("replot"); |
|
|
1904 |
|
|
1905 if (! error_state) |
|
|
1906 gnuplot::plot (argv); |
|
|
1907 |
|
|
1908 return octave_value_list (); |
|
|
1909 } |
|
|
1910 |
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1911 /* |
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1912 ;;; Local Variables: *** |
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1913 ;;; mode: C++ *** |
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1914 ;;; End: *** |
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1915 */ |
