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5102
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1 %option prefix="gpt" |
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2 %option noyywrap |
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3 |
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4 %{ |
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5215
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5 // PKG_ADD: mark_as_rawcommand ("__gnuplot_plot__"); |
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6 // PKG_ADD: mark_as_rawcommand ("__gnuplot_set__"); |
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7 // PKG_ADD: mark_as_rawcommand ("__gnuplot_splot__"); |
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8 // PKG_ADD: mark_as_rawcommand ("__gnuplot_replot__"); |
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9 |
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10 // PKG_ADD: mark_as_rawcommand ("gplot"); |
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11 // PKG_ADD: mark_as_rawcommand ("gset"); |
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12 // PKG_ADD: mark_as_rawcommand ("gsplot"); |
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13 |
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14 // PKG_ADD: mark_as_command ("__gnuplot_show__"); |
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15 |
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16 // PKG_ADD: mark_as_command ("gshow"); |
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17 |
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18 // PKG_ADD: mark_as_command ("set"); |
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19 // PKG_ADD: mark_as_command ("show"); |
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20 |
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5215
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21 // PKG_ADD: __gnuplot_init__ (); |
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5102
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22 |
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23 // PKG_ADD: atexit ("closeplot"); |
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24 |
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25 #ifdef HAVE_CONFIG_H |
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26 #include <config.h> |
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27 #endif |
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28 |
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29 #include <string> |
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30 #include <fstream> |
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31 #include <iostream> |
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32 |
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33 #ifdef HAVE_UNISTD_H |
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34 #ifdef HAVE_SYS_TYPES_H |
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35 #include <sys/types.h> |
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36 #endif |
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37 #include <unistd.h> |
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38 #endif |
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39 |
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40 #include "file-ops.h" |
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41 |
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42 #include "defun-dld.h" |
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43 #include "file-io.h" |
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44 #include "gripes.h" |
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45 #include "load-save.h" |
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46 #include "parse.h" |
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47 #include "procstream.h" |
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48 #include "sighandlers.h" |
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49 #include "utils.h" |
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50 #include "variables.h" |
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51 |
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52 enum _toktype |
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53 { |
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54 START_PAREN = 1, |
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55 END_PAREN, |
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56 START_BRACE, |
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57 END_BRACE, |
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58 START_BRACKET, |
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59 END_BRACKET, |
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60 COLON, |
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61 SEMICOLON, |
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62 COMMA, |
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63 QUOTE, |
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64 IDENT, |
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65 NUMBER, |
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66 BINOP, |
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67 UNOP, |
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68 STRING, |
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69 OTHER, |
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70 TITLE, |
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71 USING, |
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72 WITH, |
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73 AXES, |
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74 CLEAR |
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75 }; |
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76 |
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77 typedef bool (*pred) (const int); |
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78 |
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79 class |
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80 gpt_parse_error |
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81 { |
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82 public: |
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83 gpt_parse_error (void) : msg () { } |
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84 gpt_parse_error (std::string errmsg) : msg (errmsg) { } |
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85 |
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86 std::string msg; |
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87 }; |
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88 |
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89 static int is_plot_keyword (const std::string& s); |
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90 |
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91 static int handle_string (char delim); |
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92 |
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93 static inline bool can_be_plotkw (void); |
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94 |
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95 static void gnuplot_init (void); |
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96 |
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97 static bool gpt_quote_is_transpose; |
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98 static bool gpt_allow_plotkw; |
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99 static int gpt_parens; |
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100 static int gpt_brackets; |
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101 static int gpt_braces; |
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102 |
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103 static int send_to_plot_stream (const std::string& cmd); |
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104 |
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105 // needed by handle_string |
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106 static char string_buf[256]; |
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107 |
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108 %} |
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109 |
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110 D [0-9] |
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111 S [ \t] |
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112 IDENT ([_a-zA-Z@][_a-zA-Z0-9]*) |
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113 EXPON ([DdEe][+-]?{D}+) |
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114 NUMBER (({D}+\.?{D}*{EXPON}?)|(\.{D}+{EXPON}?)|(0[xX][0-9a-fA-F]+)) |
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115 NOT ((\~)|(\!)) |
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116 /* NOT is not strictly a binary operator, but is close enough for us. */ |
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117 BINOP (({NOT})|(\.?([\*/\\^+-]|\*\*)=?)|([<=~!>&|]=)|([=&|<>]{1,2})|(<<=)|(>>=)|(\.)) |
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118 /* single quote (') transpose operator is handled separately. */ |
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119 UNOP ((\+\+)|(\-\-)|(\.')) |
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120 |
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121 %% |
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122 |
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123 "(" { |
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124 gpt_quote_is_transpose = false; |
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125 gpt_parens++; |
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126 return START_PAREN; |
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127 } |
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128 |
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129 ")" { |
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130 gpt_quote_is_transpose = true; |
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131 gpt_parens--; |
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132 return END_PAREN; |
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133 } |
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134 |
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135 "{" { |
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136 gpt_quote_is_transpose = false; |
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137 gpt_braces++; |
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138 return START_BRACE; |
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139 } |
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140 |
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141 "}" { |
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142 gpt_quote_is_transpose = true; |
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143 gpt_braces--; |
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144 return END_BRACE; |
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145 } |
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146 |
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147 "[" { |
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148 gpt_quote_is_transpose = false; |
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149 gpt_brackets++; |
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150 return START_BRACKET; |
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151 } |
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152 |
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153 "]" { |
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154 gpt_quote_is_transpose = true; |
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155 gpt_brackets--; |
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156 return END_BRACKET; |
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157 } |
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158 |
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159 ":" { |
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160 gpt_quote_is_transpose = false; |
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161 return COLON; |
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162 } |
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163 |
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164 ";" { |
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165 gpt_quote_is_transpose = false; |
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166 return SEMICOLON; |
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167 } |
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168 |
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169 "," { |
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170 gpt_quote_is_transpose = false; |
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171 return COMMA; |
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172 } |
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173 |
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174 "'" { |
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175 if (gpt_quote_is_transpose) |
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176 { |
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177 gpt_allow_plotkw = true; |
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178 return QUOTE; |
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179 } |
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180 else |
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181 { |
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182 gpt_quote_is_transpose = true; |
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183 gpt_allow_plotkw = true; |
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184 return handle_string ('\''); |
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185 } |
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186 } |
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187 |
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188 "\"" { |
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189 return handle_string ('"'); |
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190 } |
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191 |
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192 {IDENT} { |
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193 int itok; |
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194 if (can_be_plotkw () && (itok = is_plot_keyword (yytext))) |
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195 { |
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196 gpt_quote_is_transpose = false; |
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197 gpt_allow_plotkw = true; |
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198 return itok; |
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199 } |
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200 else if (std::string (yytext) == "function") |
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201 { |
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202 throw gpt_parse_error ("The 'function' keyword is not allowed in plot commands."); |
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203 } |
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204 else |
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205 { |
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206 gpt_quote_is_transpose = true; |
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207 gpt_allow_plotkw = true; |
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208 return IDENT; |
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209 } |
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210 } |
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211 |
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212 {D}+/\.[\*/\\^'] | /* ' */ |
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213 {NUMBER} { |
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214 gpt_quote_is_transpose = true; |
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215 gpt_allow_plotkw = true; |
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216 return NUMBER; |
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217 } |
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218 |
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219 {BINOP} { |
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220 gpt_quote_is_transpose = false; |
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221 gpt_allow_plotkw = false; |
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222 return BINOP; |
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223 } |
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224 |
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225 {UNOP} { |
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226 gpt_quote_is_transpose = false; |
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227 gpt_allow_plotkw = true; |
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228 return UNOP; |
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229 } |
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230 |
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231 {S} { /* Ignore spaces and tabs outside of character strings. */ } |
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232 |
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233 . { |
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234 gpt_quote_is_transpose = false; |
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235 gpt_allow_plotkw = true; |
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236 warning ("unknown token = \"%s\" in plot command", yytext); |
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237 return OTHER; |
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238 } |
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239 |
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240 %% |
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241 |
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242 // If TRUE, a replot command is issued automatically each time a plot |
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243 // changes in some way. |
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244 static bool Vautomatic_replot; |
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245 |
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246 // The name of the shell command to execute to start gnuplot. |
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247 static std::string Vgnuplot_binary; |
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248 |
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249 // TRUE if gnuplot appears to support multiple plot windows with X11. |
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250 static bool Vgnuplot_has_frames; |
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251 |
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252 // The number of lines we've plotted so far. |
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253 static int plot_line_count = 0; |
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254 |
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255 // Is this a parametric plot? Makes a difference for 3D plotting. |
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256 static bool parametric_plot = false; |
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257 |
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258 // The gnuplot terminal type. |
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259 static std::string gnuplot_terminal_type; |
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260 |
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261 // Pipe to gnuplot. |
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262 static oprocstream *plot_stream = 0; |
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263 |
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264 // Gnuplot command strings that we use. |
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265 static std::string Vgnuplot_command_plot; |
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266 static std::string Vgnuplot_command_replot; |
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267 static std::string Vgnuplot_command_splot; |
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268 static std::string Vgnuplot_command_using; |
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269 static std::string Vgnuplot_command_with; |
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270 static std::string Vgnuplot_command_axes; |
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271 static std::string Vgnuplot_command_title; |
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272 static std::string Vgnuplot_command_end; |
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273 |
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274 // (almost) copy-paste code from pt-plot.cc |
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275 |
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276 static std::string |
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277 save_in_tmp_file (const octave_value& t, int ndim = 2, bool parametric = false) |
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278 { |
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279 std::string name = file_ops::tempnam ("", "oct-"); |
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280 |
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281 if (! name.empty ()) |
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282 { |
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283 std::ofstream file (name.c_str ()); |
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284 |
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285 if (file) |
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286 { |
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287 switch (ndim) |
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288 { |
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289 case 2: |
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290 save_ascii_data_for_plotting (file, t, name); |
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291 break; |
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292 |
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293 case 3: |
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294 save_three_d (file, t, parametric); |
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295 break; |
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296 |
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297 default: |
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298 gripe_2_or_3_dim_plot (); |
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299 break; |
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300 } |
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301 } |
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302 else |
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303 { |
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304 error ("couldn't open temporary output file `%s'", name.c_str ()); |
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305 name.resize (0); |
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306 } |
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307 } |
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308 |
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309 return name; |
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310 } |
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311 |
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312 static void |
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5142
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313 close_plot_stream (bool remove_from_child_list = true) |
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5102
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314 { |
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315 if (plot_stream) |
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316 { |
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5142
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317 if (remove_from_child_list) |
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318 octave_child_list::remove (plot_stream->pid ()); |
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319 |
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5102
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320 send_to_plot_stream ("\nquit\n"); |
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321 |
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5102
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322 delete plot_stream; |
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323 plot_stream = 0; |
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324 } |
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325 |
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326 plot_line_count = 0; |
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327 } |
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328 |
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329 static bool |
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330 plot_stream_event_handler (pid_t pid, int status) |
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331 { |
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332 bool retval = false; |
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333 |
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334 if (pid > 0) |
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335 { |
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336 if (WIFEXITED (status) || WIFSIGNALLED (status)) |
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337 { |
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338 close_plot_stream (false); |
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339 |
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340 warning ("connection to external plotter (pid = %d) lost --", pid); |
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341 warning ("please try your plot command(s) again"); |
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342 |
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343 // Request removal of this PID from the list of child |
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344 // processes. |
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345 |
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346 retval = true; |
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347 } |
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348 } |
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349 |
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350 return retval; |
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5102
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351 } |
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352 |
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353 static void |
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354 open_plot_stream (void) |
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355 { |
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356 static bool initialized = false; |
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357 |
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358 if (plot_stream && ! *plot_stream) |
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359 { |
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360 delete plot_stream; |
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361 plot_stream = 0; |
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362 } |
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363 |
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364 if (! plot_stream) |
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365 { |
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366 initialized = false; |
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367 |
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368 plot_line_count = 0; |
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369 |
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370 std::string plot_prog; |
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371 |
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372 if (Vgnuplot_binary.empty ()) |
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373 plot_prog = "gnuplot"; |
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374 else |
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375 plot_prog = "\"" + Vgnuplot_binary + "\""; |
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376 |
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377 // XXX FIXME XXX -- I'm not sure this is the right thing to do, |
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378 // but without it, C-c at the octave prompt will kill gnuplot... |
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379 |
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380 #if defined (HAVE_POSIX_SIGNALS) |
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381 sigset_t set, oset; |
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382 sigemptyset (&set); |
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383 sigaddset (&set, SIGINT); |
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384 sigprocmask (SIG_BLOCK, &set, &oset); |
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385 #else |
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386 volatile octave_interrupt_handler old_interrupt_handler |
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387 = octave_ignore_interrupts (); |
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388 #endif |
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389 |
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390 plot_stream = new oprocstream (plot_prog.c_str ()); |
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391 |
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392 if (plot_stream) |
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393 { |
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394 if (! *plot_stream) |
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395 { |
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396 delete plot_stream; |
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397 plot_stream = 0; |
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398 |
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399 error ("plot: unable to open pipe to `%s'", plot_prog.c_str ()); |
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400 } |
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401 else |
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5142
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402 octave_child_list::insert (plot_stream->pid (), |
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403 plot_stream_event_handler); |
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5102
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404 } |
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405 else |
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406 error ("plot: unable to open pipe to `%s'", plot_prog.c_str ()); |
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407 |
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408 #if defined (HAVE_POSIX_SIGNALS) |
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409 sigprocmask (SIG_SETMASK, &oset, 0); |
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410 #else |
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411 octave_set_interrupt_handler (old_interrupt_handler); |
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412 #endif |
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413 } |
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414 |
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415 if (! error_state && plot_stream && *plot_stream && ! initialized) |
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416 { |
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417 initialized = true; |
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418 |
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419 *plot_stream << "set style data lines\n"; |
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420 |
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421 if (! gnuplot_terminal_type.empty ()) |
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422 *plot_stream << "set term " << gnuplot_terminal_type |
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423 << Vgnuplot_command_end << "\n"; |
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424 } |
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425 } |
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426 |
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427 static int |
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428 send_to_plot_stream (const std::string& cmd) |
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429 { |
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430 if (! (plot_stream && *plot_stream)) |
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431 { |
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432 open_plot_stream (); |
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433 |
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434 if (error_state) |
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435 return -1; |
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436 } |
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437 |
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438 int replot_len = Vgnuplot_command_replot.length (); |
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439 |
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440 bool is_replot = (Vgnuplot_command_replot == cmd.substr (0, replot_len)); |
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441 |
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5152
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442 if (! (plot_line_count == 0 && is_replot)) |
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5102
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443 { |
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444 *plot_stream << cmd; |
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445 |
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446 plot_stream->flush (); |
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447 } |
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448 |
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449 return 0; |
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450 } |
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451 |
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452 // Check if the parser state is such that a plot keyword can occur. |
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453 static inline bool |
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454 can_be_plotkw (void) |
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455 { |
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456 return (gpt_allow_plotkw |
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457 && (gpt_braces == 0) |
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458 && (gpt_brackets == 0) |
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459 && (gpt_parens == 0)); |
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460 } |
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461 |
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462 // (Probably not necessesary, but current Matlab style plot functions |
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463 // break without this (they emit too short gnuplot commands)) |
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464 static std::string |
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465 plot_style_token (const std::string& s) |
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466 { |
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467 std::string retval; |
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468 |
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469 // XXX FIXME XXX -- specify minimum match length for these. |
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470 static const char *plot_styles[] = |
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471 { |
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472 "boxes", |
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473 "boxerrorbars", |
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474 "boxxyerrorbars", |
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475 "candlesticks", |
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476 "dots", |
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477 "errorbars", |
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478 "financebars", |
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479 "fsteps", |
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480 "histeps", |
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481 "impulses", |
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482 "lines", |
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483 "linespoints", |
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484 "points", |
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485 "steps", |
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486 "vector", |
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487 "xerrorbars", |
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488 "xyerrorbars", |
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489 "yerrorbars", |
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490 0, |
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491 }; |
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492 |
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493 const char * const *tmp = plot_styles; |
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494 while (*tmp) |
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495 { |
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496 if (almost_match (*tmp, s.c_str ())) |
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497 { |
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498 retval = *tmp; |
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499 break; |
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500 } |
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501 |
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502 tmp++; |
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503 } |
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504 |
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505 return retval; |
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506 } |
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507 |
|
|
508 // This is used to handle single-quote delimited strings. Kludge alert. |
|
|
509 static int |
|
|
510 handle_string (char delim) |
|
|
511 { |
|
|
512 int c; |
|
|
513 char *pos = string_buf; |
|
|
514 int escape_pending = 0; |
|
|
515 |
|
|
516 *pos++ = static_cast<char> (delim); |
|
|
517 while ((c = yyinput ()) != EOF) |
|
|
518 { |
|
|
519 if (c == '\\') |
|
|
520 { |
|
|
521 if (escape_pending) |
|
|
522 { |
|
|
523 *pos++ = static_cast<char> (c); |
|
|
524 escape_pending = 0; |
|
|
525 } |
|
|
526 else |
|
|
527 { |
|
|
528 *pos++ = static_cast<char> (c); |
|
|
529 escape_pending = 1; |
|
|
530 } |
|
|
531 continue; |
|
|
532 } |
|
|
533 else if (c == '\n') |
|
|
534 { |
|
|
535 error ("unterminated string constant"); |
|
|
536 break; |
|
|
537 } |
|
|
538 else if (c == delim) |
|
|
539 { |
|
|
540 if (escape_pending) |
|
|
541 *pos++ = static_cast<char> (c); |
|
|
542 else |
|
|
543 { |
|
|
544 c = yyinput (); |
|
|
545 if (c == delim) |
|
|
546 { |
|
|
547 *pos++ = static_cast<char> (c); |
|
|
548 *pos++ = static_cast<char> (c); |
|
|
549 } |
|
|
550 else |
|
|
551 { |
|
|
552 yyunput (c, yytext); |
|
|
553 *pos++ = static_cast<char> (delim); |
|
|
554 *pos++ = '\0'; |
|
|
555 yytext = string_buf; |
|
|
556 return STRING; |
|
|
557 } |
|
|
558 } |
|
|
559 } |
|
|
560 else |
|
|
561 { |
|
|
562 *pos++ = static_cast<char> (c); |
|
|
563 } |
|
|
564 |
|
|
565 escape_pending = 0; |
|
|
566 } |
|
|
567 |
|
|
568 throw gpt_parse_error ("Unterminated string?"); |
|
|
569 |
|
|
570 return 0; |
|
|
571 } |
|
|
572 |
|
|
573 // Check to see if a character string matches any one of the plot |
|
|
574 // option keywords. Don't match abbreviations for clear, since that's |
|
|
575 // not a gnuplot keyword (users will probably only expect to be able |
|
|
576 // to abbreviate actual gnuplot keywords). |
|
|
577 |
|
|
578 static int |
|
|
579 is_plot_keyword (const std::string& s) |
|
|
580 { |
|
|
581 const char *t = s.c_str (); |
|
|
582 if (almost_match ("title", t, 1)) |
|
|
583 { |
|
|
584 return TITLE; |
|
|
585 } |
|
|
586 else if (almost_match ("using", t, 1)) |
|
|
587 { |
|
|
588 return USING; |
|
|
589 } |
|
|
590 else if (almost_match ("with", t, 1)) |
|
|
591 { |
|
|
592 return WITH; |
|
|
593 } |
|
|
594 else if (almost_match ("axes", t, 2) || almost_match ("axis", t, 2)) |
|
|
595 { |
|
|
596 return AXES; |
|
|
597 } |
|
|
598 else if (strcmp ("clear", t) == 0) |
|
|
599 { |
|
|
600 return CLEAR; |
|
|
601 } |
|
|
602 else |
|
|
603 { |
|
|
604 return 0; |
|
|
605 } |
|
|
606 } |
|
|
607 |
|
|
608 // Some predicates on tokens |
|
|
609 |
|
|
610 // Return true for ":". |
|
|
611 static inline bool |
|
|
612 colonp (const int tok) |
|
|
613 { |
|
|
614 return (tok == COLON); |
|
|
615 } |
|
|
616 |
|
|
617 // Return TRUE for "]". |
|
|
618 static inline bool |
|
|
619 endbracketp (const int tok) |
|
|
620 { |
|
|
621 return (tok == END_BRACKET); |
|
|
622 } |
|
|
623 |
|
|
624 // Return TRUE for plot token, comma or end of input. |
|
|
625 static inline bool |
|
|
626 plottok_or_end_p (const int tok) |
|
|
627 { |
|
|
628 return (tok == TITLE |
|
|
629 || tok == USING |
|
|
630 || tok == WITH |
|
|
631 || tok == AXES |
|
|
632 || tok == CLEAR |
|
|
633 || tok == COMMA |
|
|
634 || tok == 0); |
|
|
635 } |
|
|
636 |
|
|
637 // Equivalent to (colonp (tok) || plottok_or_end_p (tok)). |
|
|
638 static inline bool |
|
|
639 colon_plottok_or_end_p (const int tok) |
|
|
640 { |
|
|
641 return (tok == COLON || plottok_or_end_p (tok)); |
|
|
642 } |
|
|
643 |
|
|
644 // read until test is true and delimiters are balanced, or end of input. |
|
|
645 // Return the last token in lasttok |
|
|
646 static std::string |
|
|
647 read_until (pred test, int& lasttok) throw (gpt_parse_error) |
|
|
648 { |
|
|
649 int tok; |
|
|
650 |
|
|
651 // We have to maintain balanced delimiters per subexpression too. |
|
|
652 int brackets = 0; |
|
|
653 int parens = 0; |
|
|
654 int braces = 0; |
|
|
655 std::string s; |
|
|
656 |
|
|
657 tok = gptlex (); |
|
|
658 |
|
|
659 while (tok && ! (test (tok) |
|
|
660 && brackets == 0 |
|
|
661 && parens == 0 |
|
|
662 && braces == 0)) |
|
|
663 { |
|
|
664 switch (tok) |
|
|
665 { |
|
|
666 case START_BRACKET: |
|
|
667 brackets++; |
|
|
668 break; |
|
|
669 |
|
|
670 case END_BRACKET: |
|
|
671 brackets--; |
|
|
672 break; |
|
|
673 |
|
|
674 case START_PAREN: |
|
|
675 parens++; |
|
|
676 break; |
|
|
677 |
|
|
678 case END_PAREN: |
|
|
679 parens--; |
|
|
680 break; |
|
|
681 |
|
|
682 case START_BRACE: |
|
|
683 braces++; |
|
|
684 break; |
|
|
685 |
|
|
686 case END_BRACE: |
|
|
687 braces--; |
|
|
688 break; |
|
|
689 |
|
|
690 default: |
|
|
691 break; |
|
|
692 } |
|
|
693 |
|
|
694 s += std::string (yytext) + " "; |
|
|
695 |
|
|
696 tok = gptlex (); |
|
|
697 } |
|
|
698 |
|
|
699 // Throw error only if we've reached the end token and the test |
|
|
700 // doesn't accept it. |
|
|
701 |
|
|
702 if (! test (tok) && ! tok) |
|
|
703 throw gpt_parse_error ("unexpected end of input"); |
|
|
704 |
|
|
705 lasttok = tok; |
|
|
706 |
|
|
707 return s; |
|
|
708 } |
|
|
709 |
|
|
710 // Eval the two expressions giving limits of range and print it. |
|
|
711 static std::string |
|
|
712 printrange (std::string starts, std::string ends) |
|
|
713 { |
|
|
714 octave_value startv, endv; |
|
|
715 int status; |
|
|
716 std::string s; |
|
|
717 OSSTREAM range_buf; |
|
|
718 |
|
|
719 range_buf << "["; |
|
|
720 |
|
|
721 if (! starts.empty ()) |
|
|
722 { |
|
|
723 startv = eval_string (starts, true, status); |
|
|
724 if (! startv.is_real_scalar ()) |
|
|
725 throw gpt_parse_error (); |
|
|
726 startv.print_raw (range_buf); |
|
|
727 } |
|
|
728 |
|
|
729 range_buf << ":"; |
|
|
730 |
|
|
731 if (! ends.empty ()) |
|
|
732 { |
|
|
733 endv = eval_string (ends, true, status); |
|
|
734 if (! endv.is_real_scalar ()) |
|
|
735 throw gpt_parse_error (); |
|
|
736 endv.print_raw (range_buf); |
|
|
737 } |
|
|
738 |
|
|
739 range_buf << "]"; |
|
|
740 range_buf << OSSTREAM_ENDS; |
|
|
741 |
|
|
742 s = OSSTREAM_STR (range_buf); |
|
|
743 |
|
|
744 return s; |
|
|
745 } |
|
|
746 |
|
|
747 // Handle plot parameters. |
|
|
748 |
|
|
749 // Title has one string expression which is evaluated and printed to the |
|
|
750 // gnuplot command string. |
|
|
751 static std::string |
|
|
752 handle_title (int& lasttok) |
|
|
753 { |
|
|
754 int tok; |
|
|
755 std::string retstr = Vgnuplot_command_title + " "; |
|
|
756 std::string title_expr_str; |
|
|
757 |
|
|
758 title_expr_str += read_until (plottok_or_end_p, tok); |
|
|
759 |
|
|
760 int status; |
|
|
761 octave_value tmp_data = eval_string (title_expr_str, true, status); |
|
|
762 |
|
|
763 if (status != 0 || ! tmp_data.is_defined ()) |
|
|
764 throw gpt_parse_error (); |
|
|
765 |
|
|
766 OSSTREAM tmp_buf; |
|
|
767 if (tmp_data.is_string ()) |
|
|
768 { |
|
|
769 tmp_buf << '"'; |
|
|
770 tmp_data.print_raw (tmp_buf); |
|
|
771 tmp_buf << '"' << OSSTREAM_ENDS; |
|
|
772 } |
|
|
773 else |
|
|
774 { |
|
|
775 warning ("line title must be a string"); |
|
|
776 tmp_buf << '"' << "line " << plot_line_count << '"'; |
|
|
777 } |
|
|
778 |
|
|
779 retstr += OSSTREAM_STR (tmp_buf); |
|
|
780 |
|
|
781 lasttok = tok; |
|
|
782 |
|
|
783 return retstr; |
|
|
784 } |
|
|
785 |
|
|
786 // Parse, evaluate and print colon separated expressions in the using |
|
|
787 // plot parameter. The use of trailing format string is not supported. |
|
|
788 static std::string |
|
|
789 handle_using (int& lasttok) |
|
|
790 { |
|
|
791 int tok; |
|
|
792 std::string expr_str; |
|
|
793 std::string retstr = Vgnuplot_command_using + " "; |
|
|
794 bool out = false; |
|
|
795 |
|
|
796 octave_value tmp_data; |
|
|
797 int status; |
|
|
798 while (! out) |
|
|
799 { |
|
|
800 expr_str = read_until (colon_plottok_or_end_p, tok); |
|
|
801 |
|
|
802 tmp_data = eval_string (expr_str, true, status); |
|
|
803 if (status != 0 || ! tmp_data.is_real_scalar ()) |
|
|
804 throw gpt_parse_error (); |
|
|
805 |
|
|
806 OSSTREAM tmp_buf; |
|
|
807 tmp_data.print_raw (tmp_buf); |
|
|
808 tmp_buf << OSSTREAM_ENDS; |
|
|
809 retstr += OSSTREAM_STR (tmp_buf); |
|
|
810 |
|
|
811 if (tok == COLON) |
|
|
812 retstr += ":"; |
|
|
813 else |
|
|
814 out = true; |
|
|
815 } |
|
|
816 |
|
|
817 lasttok = tok; |
|
|
818 |
|
|
819 return retstr; |
|
|
820 } |
|
|
821 |
|
|
822 // Presently just passes the linewidth, pointtype etc. tokens as they are. |
|
|
823 static std::string |
|
|
824 handle_style (int& lasttok) |
|
|
825 { |
|
|
826 std::string retstr = Vgnuplot_command_with + " "; |
|
|
827 std::string style; |
|
|
828 |
|
|
829 lasttok = gptlex (); |
|
|
830 |
|
|
831 if (lasttok != IDENT) |
|
|
832 throw gpt_parse_error ("expected plot style token"); |
|
|
833 |
|
|
834 style = std::string (yytext); |
|
|
835 style = plot_style_token (style); |
|
|
836 |
|
|
837 if (! style.empty ()) |
|
|
838 retstr += style; |
|
|
839 else |
|
|
840 retstr += std::string (yytext); |
|
|
841 |
|
|
842 // XXX FIXME XXX -- should evaluate the remaining tokens, but this |
|
|
843 // needs changes in the parser. |
|
|
844 retstr += " " + read_until (plottok_or_end_p, lasttok); |
|
|
845 |
|
|
846 return retstr; |
|
|
847 } |
|
|
848 |
|
|
849 // Axes has only one qualifier keyword, which is not evaluated. |
|
|
850 static std::string |
|
|
851 handle_axes (int& lasttok) |
|
|
852 { |
|
|
853 return Vgnuplot_command_axes + " " + read_until (plottok_or_end_p, lasttok); |
|
|
854 } |
|
|
855 |
|
|
856 // Parse and evaluate parameter string and pass it to gnuplot pipe. |
|
|
857 static int |
|
|
858 makeplot (std::string caller, std::string args) throw (gpt_parse_error) |
|
|
859 { |
|
|
860 YY_BUFFER_STATE bstate; |
|
|
861 |
|
|
862 bstate = yy_scan_string (args.c_str ()); |
|
|
863 yy_switch_to_buffer (bstate); |
|
|
864 std::string outstr; |
|
|
865 int ndim = 2; |
|
|
866 |
|
|
867 if (caller == "replot") |
|
|
868 { |
|
|
869 ndim = 1; |
|
|
870 outstr += Vgnuplot_command_replot + " "; |
|
|
871 } |
|
|
872 else if (caller == "plot") |
|
|
873 { |
|
|
874 ndim = 2; |
|
5406
|
875 plot_line_count = 0; |
|
|
876 outstr += Vgnuplot_command_plot + " "; |
|
5102
|
877 } |
|
|
878 else if (caller == "splot") |
|
|
879 { |
|
|
880 ndim = 3; |
|
5406
|
881 plot_line_count = 0; |
|
|
882 outstr += Vgnuplot_command_splot + " "; |
|
5102
|
883 } |
|
|
884 else |
|
|
885 throw gpt_parse_error ("unknown plot command"); |
|
|
886 |
|
|
887 gpt_quote_is_transpose = false; |
|
|
888 gpt_allow_plotkw = false; |
|
|
889 gpt_parens = 0; |
|
|
890 gpt_braces = 0; |
|
|
891 gpt_brackets = 0; |
|
|
892 |
|
|
893 int tok; |
|
|
894 tok = gptlex (); |
|
|
895 if (plottok_or_end_p (tok) && caller != "replot") |
|
|
896 throw gpt_parse_error ("must have something to plot"); |
|
|
897 |
|
|
898 while (tok) |
|
|
899 { |
|
|
900 bool title_set = false; |
|
|
901 bool using_set = false; |
|
|
902 bool style_set = false; |
|
|
903 bool axes_set = false; |
|
|
904 |
|
|
905 if (tok == START_BRACKET) |
|
|
906 { |
|
|
907 if (caller == "replot") |
|
|
908 throw gpt_parse_error ("can't specify new plot ranges with `replot' or while hold is on"); |
|
|
909 |
|
|
910 std::string xrange_start_str = read_until (colonp, tok); |
|
|
911 std::string xrange_end_str = read_until (endbracketp, tok); |
|
|
912 outstr += printrange (xrange_start_str, xrange_end_str) + " "; |
|
|
913 tok = gptlex (); |
|
|
914 if (tok == START_BRACKET) |
|
|
915 { |
|
|
916 std::string yrange_start_str = read_until (colonp, tok); |
|
|
917 std::string yrange_end_str = read_until (endbracketp, tok); |
|
|
918 outstr += printrange (yrange_start_str, yrange_end_str) + " "; |
|
|
919 tok = gptlex (); |
|
|
920 if (tok == START_BRACKET && caller == "gsplot") |
|
|
921 { |
|
|
922 std::string zrange_start_str = read_until (colonp, tok); |
|
|
923 std::string zrange_end_str = read_until (endbracketp, tok); |
|
|
924 outstr += printrange (zrange_start_str, zrange_end_str) + " "; |
|
|
925 tok = gptlex (); |
|
|
926 } |
|
|
927 } |
|
|
928 } |
|
|
929 |
|
|
930 if (plottok_or_end_p (tok)) |
|
5152
|
931 return 1; |
|
5102
|
932 else |
|
|
933 { |
|
|
934 std::string file; |
|
|
935 plot_line_count++; |
|
|
936 |
|
|
937 if (tok == STRING) |
|
|
938 { |
|
|
939 file = file_ops::tilde_expand (std::string (yytext)); |
|
|
940 // XXX FIXME XXX -- perhaps should check if the file exists? |
|
|
941 outstr += file + " "; |
|
|
942 // Discard junk after the string. |
|
|
943 read_until (plottok_or_end_p, tok); |
|
|
944 } |
|
|
945 else |
|
|
946 { |
|
|
947 std::string plot_expr_str; |
|
|
948 plot_expr_str += std::string (yytext) + " "; |
|
|
949 plot_expr_str += read_until (plottok_or_end_p, tok); |
|
|
950 |
|
5152
|
951 int status = 0; |
|
5102
|
952 octave_value tmp_data = eval_string (plot_expr_str, |
|
|
953 true, status); |
|
|
954 |
|
|
955 if (status != 0 || ! tmp_data.is_defined ()) |
|
|
956 throw gpt_parse_error (); |
|
|
957 |
|
|
958 OSSTREAM tmp_buf; |
|
|
959 tmp_data.print_raw (tmp_buf); |
|
|
960 tmp_buf << OSSTREAM_ENDS; |
|
|
961 |
|
|
962 if (tmp_data.is_string ()) |
|
|
963 { |
|
|
964 file = file_ops::tilde_expand (tmp_data.string_value ()); |
|
|
965 // XXX FIXME XXX -- perhaps should check if the file exists? |
|
|
966 outstr += file + " "; |
|
5152
|
967 } |
|
5102
|
968 else |
|
|
969 { |
|
|
970 switch (ndim) |
|
|
971 { |
|
|
972 case 2: |
|
|
973 file = save_in_tmp_file (tmp_data, ndim); |
|
|
974 break; |
|
|
975 |
|
|
976 case 3: |
|
|
977 file = save_in_tmp_file (tmp_data, ndim, |
|
|
978 parametric_plot); |
|
|
979 break; |
|
|
980 |
|
|
981 default: |
|
|
982 gripe_2_or_3_dim_plot (); |
|
|
983 break; |
|
5152
|
984 } |
|
5102
|
985 |
|
|
986 if (file.length () > 0) |
|
|
987 { |
|
|
988 mark_for_deletion (file); |
|
|
989 outstr += "'" + file + "' "; |
|
|
990 } |
|
5152
|
991 } |
|
5102
|
992 } |
|
|
993 } |
|
|
994 |
|
|
995 std::string title_str; |
|
|
996 std::string using_str; |
|
|
997 std::string style_str; |
|
|
998 std::string axes_str; |
|
|
999 |
|
|
1000 bool out = false; |
|
|
1001 while (tok && ! out) |
|
|
1002 { |
|
|
1003 switch (tok) |
|
|
1004 { |
|
|
1005 case COMMA: |
|
|
1006 out = true; |
|
|
1007 break; |
|
|
1008 |
|
|
1009 case TITLE: |
|
|
1010 if (! title_set) |
|
|
1011 title_str += handle_title (tok) + " "; |
|
|
1012 else |
|
|
1013 throw gpt_parse_error ("only one title option may be specified"); |
|
|
1014 title_set = true; |
|
|
1015 break; |
|
|
1016 |
|
|
1017 case USING: |
|
|
1018 if (! using_set) |
|
|
1019 using_str += handle_using (tok) + " "; |
|
|
1020 else |
|
|
1021 throw gpt_parse_error ("only one using option may be specified"); |
|
|
1022 using_set = true; |
|
|
1023 break; |
|
|
1024 |
|
|
1025 case WITH: |
|
|
1026 if (! style_set) |
|
|
1027 style_str += handle_style (tok) + " "; |
|
|
1028 else |
|
|
1029 throw gpt_parse_error ("only one style option may be specified"); |
|
|
1030 style_set = true; |
|
|
1031 break; |
|
|
1032 |
|
|
1033 case AXES: |
|
|
1034 if (! axes_set) |
|
|
1035 axes_str += handle_axes (tok) + " "; |
|
|
1036 else |
|
|
1037 throw gpt_parse_error ("only one axes option may be specified"); |
|
|
1038 axes_set = true; |
|
|
1039 break; |
|
|
1040 |
|
|
1041 default: |
|
|
1042 tok = 0; |
|
|
1043 break; |
|
|
1044 } |
|
|
1045 } |
|
|
1046 |
|
|
1047 if (! title_set) |
|
|
1048 { |
|
|
1049 OSSTREAM tmp_buf; |
|
|
1050 tmp_buf << Vgnuplot_command_title << " \"line " |
|
|
1051 << plot_line_count << "\" " << OSSTREAM_ENDS; |
|
|
1052 title_str = OSSTREAM_STR (tmp_buf); |
|
|
1053 title_set = true; |
|
|
1054 } |
|
|
1055 |
|
|
1056 // Plot parameters have to be output in this order. |
|
|
1057 if (using_set) |
|
|
1058 outstr += using_str; |
|
|
1059 |
|
|
1060 if (axes_set) |
|
|
1061 outstr += axes_str; |
|
|
1062 |
|
|
1063 if (title_set) |
|
|
1064 outstr += title_str; |
|
|
1065 |
|
|
1066 if (style_set) |
|
|
1067 outstr += style_str; |
|
|
1068 |
|
|
1069 if (out) |
|
|
1070 { |
|
|
1071 // Saw comma on while loop. |
|
|
1072 outstr += ", "; |
|
|
1073 gpt_quote_is_transpose = false; |
|
|
1074 gpt_allow_plotkw = false; |
|
|
1075 gpt_parens = 0; |
|
|
1076 gpt_braces = 0; |
|
|
1077 gpt_brackets = 0; |
|
|
1078 tok = gptlex (); |
|
|
1079 } |
|
|
1080 } |
|
|
1081 |
|
|
1082 outstr += Vgnuplot_command_end; |
|
|
1083 |
|
|
1084 // Terrible kludge, but line count is destroyed when plot stream |
|
|
1085 // is opened for the first time. |
|
|
1086 int linesave = plot_line_count; |
|
|
1087 send_to_plot_stream (outstr); |
|
|
1088 plot_line_count = linesave; |
|
|
1089 |
|
|
1090 return 1; |
|
|
1091 } |
|
|
1092 |
|
|
1093 static void |
|
|
1094 doplot (std::string caller, octave_value_list args) |
|
|
1095 { |
|
|
1096 std::string s; |
|
|
1097 int i = 0; |
|
|
1098 |
|
|
1099 while (i < args.length ()) |
|
|
1100 s += args (i++).string_value () + " "; |
|
|
1101 |
|
|
1102 try |
|
|
1103 { |
|
|
1104 makeplot (caller, s); |
|
|
1105 } |
|
|
1106 catch (gpt_parse_error e) |
|
|
1107 { |
|
|
1108 if (e.msg.empty ()) |
|
|
1109 error ("could not parse plot command"); |
|
|
1110 else |
|
|
1111 error (e.msg.c_str ()); |
|
|
1112 } |
|
|
1113 } |
|
|
1114 |
|
|
1115 DEFUN_DLD (clearplot, , , |
|
|
1116 "-*- texinfo -*-\n\ |
|
|
1117 @deftypefn {Built-in Function} {} clearplot\n\ |
|
|
1118 @deftypefnx {Built-in Function} {} clg\n\ |
|
|
1119 Clear the plot window and any titles or axis labels. The name\n\ |
|
|
1120 @code{clg} is aliased to @code{clearplot} for compatibility with\n\ |
|
|
1121 @sc{Matlab}.\n\ |
|
|
1122 @end deftypefn") |
|
|
1123 { |
|
|
1124 octave_value_list retval; |
|
|
1125 |
|
5311
|
1126 gnuplot_init (); |
|
|
1127 |
|
5102
|
1128 send_to_plot_stream ("clear\n"); |
|
|
1129 |
|
|
1130 // XXX FIXME XXX -- instead of just clearing these things, it would |
|
|
1131 // be nice if we could reset things to a user-specified default |
|
|
1132 // state. |
|
|
1133 |
|
|
1134 send_to_plot_stream ("set title\n"); |
|
|
1135 send_to_plot_stream ("set xlabel\n"); |
|
|
1136 send_to_plot_stream ("set ylabel\n"); |
|
|
1137 send_to_plot_stream ("set nogrid\n"); |
|
|
1138 send_to_plot_stream ("set nolabel\n"); |
|
|
1139 |
|
|
1140 // This makes a simple `replot' not work after a `clearplot' command |
|
|
1141 // has been issued. |
|
|
1142 |
|
|
1143 plot_line_count = 0; |
|
|
1144 |
|
|
1145 return retval; |
|
|
1146 } |
|
|
1147 |
|
|
1148 DEFUN_DLD (closeplot, , , |
|
|
1149 "-*- texinfo -*-\n\ |
|
|
1150 @deftypefn {Built-in Function} {} closeplot\n\ |
|
|
1151 Close stream to the @code{gnuplot} subprocess. If you are using X11,\n\ |
|
|
1152 this will close the plot window.\n\ |
|
|
1153 @end deftypefn") |
|
|
1154 { |
|
|
1155 octave_value_list retval; |
|
5311
|
1156 |
|
|
1157 gnuplot_init (); |
|
|
1158 |
|
|
1159 parametric_plot = false; |
|
|
1160 |
|
|
1161 set_global_value ("__multiplot_mode__", 0.0); |
|
|
1162 |
|
5102
|
1163 close_plot_stream (); |
|
5311
|
1164 |
|
5102
|
1165 return retval; |
|
|
1166 } |
|
|
1167 |
|
|
1168 DEFUN_DLD (purge_tmp_files, , , |
|
|
1169 "-*- texinfo -*-\n\ |
|
|
1170 @deftypefn {Built-in Function} {} purge_tmp_files\n\ |
|
|
1171 Delete the temporary files created by the plotting commands.\n\ |
|
|
1172 \n\ |
|
|
1173 Octave creates temporary data files for @code{gnuplot} and then sends\n\ |
|
|
1174 commands to @code{gnuplot} through a pipe. Octave will delete the\n\ |
|
|
1175 temporary files on exit, but if you are doing a lot of plotting you may\n\ |
|
|
1176 want to clean up in the middle of a session.\n\ |
|
|
1177 \n\ |
|
|
1178 A future version of Octave will eliminate the need to use temporary\n\ |
|
|
1179 files to hold the plot data.\n\ |
|
|
1180 @end deftypefn") |
|
|
1181 { |
|
|
1182 octave_value_list retval; |
|
5311
|
1183 |
|
|
1184 gnuplot_init (); |
|
|
1185 |
|
5102
|
1186 cleanup_tmp_files (); |
|
5311
|
1187 |
|
5102
|
1188 return retval; |
|
|
1189 } |
|
|
1190 |
|
5215
|
1191 DEFUN_DLD (__gnuplot_raw__, args, , |
|
5102
|
1192 "-*- texinfo -*-\n\ |
|
5215
|
1193 @deftypefn {Built-in Function} {} __gnuplot_raw__ (@var{string})\n\ |
|
5102
|
1194 Send @var{string} directly to gnuplot subprocess.\n\ |
|
|
1195 @end deftypefn") |
|
|
1196 { |
|
|
1197 octave_value_list retval; |
|
|
1198 |
|
5311
|
1199 gnuplot_init (); |
|
|
1200 |
|
5102
|
1201 if (args.length () == 1 && args(0).is_string ()) |
|
|
1202 { |
|
|
1203 std::string cmd = args(0).string_value (); |
|
|
1204 |
|
|
1205 if (! (plot_stream && *plot_stream)) |
|
|
1206 open_plot_stream (); |
|
|
1207 |
|
|
1208 if (! error_state) |
|
|
1209 { |
|
|
1210 *plot_stream << cmd; |
|
|
1211 |
|
|
1212 plot_stream->flush (); |
|
|
1213 } |
|
|
1214 } |
|
|
1215 else |
|
|
1216 print_usage ("raw"); |
|
|
1217 |
|
|
1218 return retval; |
|
|
1219 } |
|
|
1220 |
|
5215
|
1221 DEFUN_DLD (__gnuplot_set__, args, , |
|
5102
|
1222 "-*- texinfo -*-\n\ |
|
5215
|
1223 @deffn {Command} __gnuplot_set__ options\n\ |
|
5102
|
1224 Set plotting options for gnuplot\n\ |
|
|
1225 @end deffn") |
|
|
1226 { |
|
|
1227 octave_value_list retval; |
|
|
1228 |
|
5311
|
1229 gnuplot_init (); |
|
|
1230 |
|
5102
|
1231 int argc = args.length () + 1; |
|
|
1232 |
|
|
1233 string_vector argv = args.make_argv ("set"); |
|
|
1234 |
|
|
1235 if (error_state) |
|
|
1236 return retval; |
|
|
1237 |
|
|
1238 OSSTREAM plot_buf; |
|
|
1239 |
|
|
1240 if (argc > 1) |
|
|
1241 { |
|
|
1242 if (almost_match ("parametric", argv[1], 3)) |
|
|
1243 parametric_plot = true; |
|
|
1244 else if (almost_match ("noparametric", argv[1], 5)) |
|
|
1245 parametric_plot = false; |
|
|
1246 else if (almost_match ("term", argv[1], 1)) |
|
|
1247 { |
|
|
1248 gnuplot_terminal_type = ""; |
|
|
1249 OSSTREAM buf; |
|
|
1250 int i; |
|
|
1251 for (i = 2; i < argc-1; i++) |
|
|
1252 buf << argv[i] << " "; |
|
|
1253 if (i < argc) |
|
|
1254 buf << argv[i]; |
|
|
1255 buf << Vgnuplot_command_end << OSSTREAM_ENDS; |
|
|
1256 gnuplot_terminal_type = OSSTREAM_STR (buf); |
|
|
1257 OSSTREAM_FREEZE (buf); |
|
|
1258 } |
|
|
1259 } |
|
|
1260 |
|
|
1261 int i; |
|
|
1262 for (i = 0; i < argc-1; i++) |
|
|
1263 plot_buf << argv[i] << " "; |
|
|
1264 |
|
|
1265 if (i < argc) |
|
|
1266 plot_buf << argv[i]; |
|
|
1267 |
|
|
1268 plot_buf << Vgnuplot_command_end << OSSTREAM_ENDS; |
|
|
1269 |
|
|
1270 send_to_plot_stream (OSSTREAM_STR (plot_buf)); |
|
|
1271 |
|
|
1272 OSSTREAM_FREEZE (plot_buf); |
|
|
1273 |
|
|
1274 return retval; |
|
|
1275 } |
|
|
1276 |
|
5215
|
1277 DEFUN_DLD (__gnuplot_show__, args, , |
|
5102
|
1278 "-*- texinfo -*-\n\ |
|
5215
|
1279 @deffn {Command} __gnuplot_show__ options\n\ |
|
5102
|
1280 Show plotting options.\n\ |
|
|
1281 @end deffn") |
|
|
1282 { |
|
|
1283 octave_value_list retval; |
|
|
1284 |
|
5311
|
1285 gnuplot_init (); |
|
|
1286 |
|
5102
|
1287 int argc = args.length () + 1; |
|
|
1288 |
|
|
1289 string_vector argv = args.make_argv ("show"); |
|
|
1290 |
|
|
1291 if (error_state) |
|
|
1292 return retval; |
|
|
1293 |
|
|
1294 OSSTREAM plot_buf; |
|
|
1295 |
|
|
1296 int i; |
|
|
1297 for (i = 0; i < argc-1; i++) |
|
|
1298 plot_buf << argv[i] << " "; |
|
|
1299 if (i < argc) |
|
|
1300 plot_buf << argv[i]; |
|
|
1301 |
|
|
1302 plot_buf << Vgnuplot_command_end << OSSTREAM_ENDS; |
|
|
1303 |
|
|
1304 send_to_plot_stream (OSSTREAM_STR (plot_buf)); |
|
|
1305 |
|
|
1306 OSSTREAM_FREEZE (plot_buf); |
|
|
1307 |
|
|
1308 return retval; |
|
|
1309 } |
|
|
1310 |
|
5215
|
1311 DEFUN_DLD (__gnuplot_plot__, args, , |
|
|
1312 "Plot with gnuplot.\n") |
|
|
1313 { |
|
5311
|
1314 gnuplot_init (); |
|
|
1315 |
|
5215
|
1316 doplot ("plot", args); |
|
|
1317 return octave_value_list (); |
|
|
1318 } |
|
|
1319 |
|
|
1320 DEFUN_DLD (__gnuplot_splot__, args, , |
|
|
1321 "Plot with gnuplot.\n") |
|
|
1322 { |
|
5311
|
1323 gnuplot_init (); |
|
|
1324 |
|
5215
|
1325 doplot ("splot", args); |
|
|
1326 return octave_value_list (); |
|
|
1327 } |
|
|
1328 |
|
|
1329 DEFUN_DLD (__gnuplot_replot__, args, , |
|
|
1330 "Plot with gnuplot.\n") |
|
5102
|
1331 { |
|
5311
|
1332 gnuplot_init (); |
|
|
1333 |
|
5215
|
1334 doplot ("replot", args); |
|
|
1335 return octave_value_list (); |
|
|
1336 } |
|
|
1337 |
|
|
1338 // Deprecated functions. |
|
|
1339 |
|
|
1340 #define WARN_DEPRECATED(FOLD, FNEW) \ |
|
|
1341 do \ |
|
|
1342 { \ |
|
|
1343 static bool warned = false; \ |
|
|
1344 if (! warned) \ |
|
|
1345 { \ |
|
|
1346 warned = true; \ |
|
|
1347 warning (#FOLD " is deprecated and will be removed from a future"); \ |
|
|
1348 warning ("version of Octave."); \ |
|
|
1349 warning ("You should use the higher-level plot functions"); \ |
|
|
1350 warning ("(\"plot\", \"mesh\", \"semilogx\", etc.) instead"); \ |
|
|
1351 warning ("of the low-level plotting commands."); \ |
|
|
1352 warning ("If you absolutely must use this function, use the"); \ |
|
|
1353 warning ("internal version " #FNEW " instead."); \ |
|
|
1354 } \ |
|
|
1355 } \ |
|
|
1356 while (0) |
|
|
1357 |
|
|
1358 #define DEPRECATED_BODY(FOLD, FNEW) \ |
|
|
1359 WARN_DEPRECATED (FOLD, FNEW); \ |
|
|
1360 return feval (#FNEW, args) |
|
|
1361 |
|
|
1362 // We can't further simplify this by putting the DEFUN_DLD in a macro |
|
|
1363 // because then the mk-oct-links script will fail. |
|
|
1364 |
|
|
1365 DEFUN_DLD (gplot, args, , |
|
|
1366 "") |
|
|
1367 { |
|
5311
|
1368 gnuplot_init (); |
|
|
1369 |
|
5215
|
1370 DEPRECATED_BODY (gplot, __gnuplot_plot__); |
|
|
1371 } |
|
|
1372 |
|
|
1373 DEFUN_DLD (gsplot, args, , |
|
|
1374 "") |
|
|
1375 { |
|
5311
|
1376 gnuplot_init (); |
|
|
1377 |
|
5215
|
1378 DEPRECATED_BODY (gsplot, __gnuplot_splot__); |
|
|
1379 } |
|
|
1380 |
|
|
1381 DEFUN_DLD (graw, args, , |
|
|
1382 "") |
|
|
1383 { |
|
5311
|
1384 gnuplot_init (); |
|
|
1385 |
|
5251
|
1386 DEPRECATED_BODY (graw, __gnuplot_raw__); |
|
5215
|
1387 } |
|
|
1388 |
|
|
1389 DEFUN_DLD (gset, args, , |
|
|
1390 "") |
|
|
1391 { |
|
5311
|
1392 gnuplot_init (); |
|
|
1393 |
|
5215
|
1394 DEPRECATED_BODY (gset, __gnuplot_set__); |
|
|
1395 } |
|
|
1396 |
|
|
1397 DEFUN_DLD (gshow, args, , |
|
|
1398 "") |
|
|
1399 { |
|
5311
|
1400 gnuplot_init (); |
|
|
1401 |
|
5251
|
1402 DEPRECATED_BODY (gshow, __gnuplot_show__); |
|
5102
|
1403 } |
|
|
1404 |
|
|
1405 static int |
|
|
1406 automatic_replot (void) |
|
|
1407 { |
|
|
1408 Vautomatic_replot = check_preference ("automatic_replot"); |
|
|
1409 |
|
|
1410 return 0; |
|
|
1411 } |
|
|
1412 |
|
|
1413 static int |
|
|
1414 set_string_var (std::string& var, const char *nm) |
|
|
1415 { |
|
|
1416 int retval = 0; |
|
|
1417 |
|
|
1418 std::string s = builtin_string_variable (nm); |
|
|
1419 |
|
|
1420 if (s.empty ()) |
|
|
1421 { |
|
|
1422 gripe_invalid_value_specified (nm); |
|
|
1423 retval = -1; |
|
|
1424 } |
|
|
1425 else |
|
|
1426 var = s; |
|
|
1427 |
|
|
1428 return retval; |
|
|
1429 } |
|
|
1430 |
|
|
1431 static int |
|
|
1432 gnuplot_binary (void) |
|
|
1433 { |
|
|
1434 return set_string_var (Vgnuplot_binary, "gnuplot_binary"); |
|
|
1435 } |
|
|
1436 |
|
|
1437 static int |
|
|
1438 gnuplot_command_plot (void) |
|
|
1439 { |
|
|
1440 return set_string_var (Vgnuplot_command_plot, "gnuplot_command_plot"); |
|
|
1441 } |
|
|
1442 |
|
|
1443 static int |
|
|
1444 gnuplot_command_replot (void) |
|
|
1445 { |
|
|
1446 return set_string_var (Vgnuplot_command_replot, "gnuplot_command_replot"); |
|
|
1447 } |
|
|
1448 |
|
|
1449 static int |
|
|
1450 gnuplot_command_splot (void) |
|
|
1451 { |
|
|
1452 return set_string_var (Vgnuplot_command_splot, "gnuplot_command_splot"); |
|
|
1453 } |
|
|
1454 |
|
|
1455 static int |
|
|
1456 gnuplot_command_using (void) |
|
|
1457 { |
|
|
1458 return set_string_var (Vgnuplot_command_using, "gnuplot_command_using"); |
|
|
1459 } |
|
|
1460 |
|
|
1461 static int |
|
|
1462 gnuplot_command_with (void) |
|
|
1463 { |
|
|
1464 return set_string_var (Vgnuplot_command_with, "gnuplot_command_with"); |
|
|
1465 } |
|
|
1466 |
|
|
1467 static int |
|
|
1468 gnuplot_command_axes (void) |
|
|
1469 { |
|
|
1470 return set_string_var (Vgnuplot_command_axes, "gnuplot_command_axes"); |
|
|
1471 } |
|
|
1472 |
|
|
1473 static int |
|
|
1474 gnuplot_command_title (void) |
|
|
1475 { |
|
|
1476 return set_string_var (Vgnuplot_command_title, "gnuplot_command_title"); |
|
|
1477 } |
|
|
1478 |
|
|
1479 static int |
|
|
1480 gnuplot_command_end (void) |
|
|
1481 { |
|
|
1482 return set_string_var (Vgnuplot_command_end, "gnuplot_command_end"); |
|
|
1483 } |
|
|
1484 |
|
|
1485 static int |
|
|
1486 gnuplot_has_frames (void) |
|
|
1487 { |
|
|
1488 Vgnuplot_has_frames = check_preference ("gnuplot_has_frames"); |
|
|
1489 |
|
|
1490 return 0; |
|
|
1491 } |
|
|
1492 |
|
5311
|
1493 static void |
|
|
1494 gnuplot_init (void) |
|
5102
|
1495 { |
|
5215
|
1496 static bool gnuplot_initialized = false; |
|
5102
|
1497 |
|
5215
|
1498 if (gnuplot_initialized) |
|
5311
|
1499 return; |
|
5102
|
1500 |
|
5215
|
1501 gnuplot_initialized = true; |
|
5102
|
1502 |
|
5311
|
1503 if (is_builtin_variable ("automatic_replot")) |
|
|
1504 automatic_replot (); |
|
|
1505 else |
|
|
1506 DEFVAR (automatic_replot, true, automatic_replot, |
|
5102
|
1507 "-*- texinfo -*-\n\ |
|
|
1508 @defvr {Built-in Variable} automatic_replot\n\ |
|
|
1509 You can tell Octave to redisplay the plot each time anything about it\n\ |
|
|
1510 changes by setting the value of the builtin variable\n\ |
|
|
1511 @code{automatic_replot} to a nonzero value. Although it is fairly\n\ |
|
|
1512 inefficient, especially for large plots, the default value is 1 for\n\ |
|
|
1513 compatibility with Matlab.\n\ |
|
|
1514 @end defvr"); |
|
|
1515 |
|
5311
|
1516 if (is_builtin_variable ("gnuplot_binary")) |
|
|
1517 gnuplot_binary (); |
|
|
1518 else |
|
|
1519 DEFVAR (gnuplot_binary, GNUPLOT_BINARY, gnuplot_binary, |
|
5102
|
1520 "-*- texinfo -*-\n\ |
|
|
1521 @defvr {Built-in Variable} gnuplot_binary\n\ |
|
|
1522 The name of the program invoked by the plot command. The default value\n\ |
|
|
1523 is @code{\"gnuplot\"}. @xref{Installation}.\n\ |
|
|
1524 @end defvr"); |
|
|
1525 |
|
5311
|
1526 if (is_builtin_variable ("gnuplot_command_plot")) |
|
|
1527 gnuplot_command_plot (); |
|
|
1528 else |
|
|
1529 DEFVAR (gnuplot_command_plot, "pl", gnuplot_command_plot, |
|
5102
|
1530 "-*- texinfo -*-\n\ |
|
|
1531 @defvr {Built-in Variable} gnuplot_command_plot\n\ |
|
|
1532 @end defvr"); |
|
|
1533 |
|
5311
|
1534 if (is_builtin_variable ("gnuplot_command_replot")) |
|
|
1535 gnuplot_command_replot (); |
|
|
1536 else |
|
|
1537 DEFVAR (gnuplot_command_replot, "rep", gnuplot_command_replot, |
|
5102
|
1538 "-*- texinfo -*-\n\ |
|
|
1539 @defvr {Built-in Variable} gnuplot_command_replot\n\ |
|
|
1540 @end defvr"); |
|
|
1541 |
|
5311
|
1542 if (is_builtin_variable ("gnuplot_command_splot")) |
|
|
1543 gnuplot_command_splot (); |
|
|
1544 else |
|
|
1545 DEFVAR (gnuplot_command_splot, "sp", gnuplot_command_splot, |
|
5102
|
1546 "-*- texinfo -*-\n\ |
|
|
1547 @defvr {Built-in Variable} gnuplot_command_splot\n\ |
|
|
1548 @end defvr"); |
|
|
1549 |
|
5311
|
1550 if (is_builtin_variable ("gnuplot_command_using")) |
|
|
1551 gnuplot_command_using (); |
|
|
1552 else |
|
|
1553 DEFVAR (gnuplot_command_using, "u", gnuplot_command_using, |
|
5102
|
1554 "-*- texinfo -*-\n\ |
|
|
1555 @defvr {Built-in Variable} gnuplot_command_using\n\ |
|
|
1556 @end defvr"); |
|
|
1557 |
|
5311
|
1558 if (is_builtin_variable ("gnuplot_command_with")) |
|
|
1559 gnuplot_command_with (); |
|
|
1560 else |
|
|
1561 DEFVAR (gnuplot_command_with, "w", gnuplot_command_with, |
|
5102
|
1562 "-*- texinfo -*-\n\ |
|
|
1563 @defvr {Built-in Variable} gnuplot_command_with\n\ |
|
|
1564 @end defvr"); |
|
|
1565 |
|
5311
|
1566 if (is_builtin_variable ("gnuplot_command_axes")) |
|
|
1567 gnuplot_command_axes (); |
|
|
1568 else |
|
|
1569 DEFVAR (gnuplot_command_axes, "ax", gnuplot_command_axes, |
|
5102
|
1570 "-*- texinfo -*-\n\ |
|
|
1571 @defvr {Built-in Variable} gnuplot_command_axes\n\ |
|
|
1572 @end defvr"); |
|
|
1573 |
|
5311
|
1574 if (is_builtin_variable ("gnuplot_command_title")) |
|
|
1575 gnuplot_command_title (); |
|
|
1576 else |
|
|
1577 DEFVAR (gnuplot_command_title, "t", gnuplot_command_title, |
|
5102
|
1578 "-*- texinfo -*-\n\ |
|
|
1579 @defvr {Built-in Variable} gnuplot_command_title\n\ |
|
|
1580 @end defvr"); |
|
|
1581 |
|
5311
|
1582 if (is_builtin_variable ("gnuplot_command_end")) |
|
|
1583 gnuplot_command_end (); |
|
|
1584 else |
|
|
1585 DEFVAR (gnuplot_command_end, "\n", gnuplot_command_end, |
|
5102
|
1586 "-*- texinfo -*-\n\ |
|
|
1587 @defvr {Built-in Variable} gnuplot_command_end\n\ |
|
|
1588 @end defvr"); |
|
|
1589 |
|
|
1590 #if defined (GNUPLOT_HAS_FRAMES) |
|
|
1591 bool with_frames = true; |
|
|
1592 #else |
|
|
1593 bool with_frames = false; |
|
|
1594 #endif |
|
|
1595 |
|
5311
|
1596 if (is_builtin_variable ("gnuplot_has_frames")) |
|
|
1597 gnuplot_has_frames (); |
|
|
1598 else |
|
|
1599 DEFVAR (gnuplot_has_frames, with_frames, gnuplot_has_frames, |
|
5102
|
1600 "-*- texinfo -*-\n\ |
|
|
1601 @defvr {Built-in Variable} gnuplot_has_frames\n\ |
|
|
1602 If the value of this variable is nonzero, Octave assumes that your copy\n\ |
|
|
1603 of gnuplot has support for multiple frames that is included in recent\n\ |
|
|
1604 3.6beta releases. Its initial value is determined by configure, but it\n\ |
|
|
1605 can be changed in your startup script or at the command line in case\n\ |
|
|
1606 configure got it wrong, or if you upgrade your gnuplot installation.\n\ |
|
|
1607 @end defvr"); |
|
|
1608 |
|
5311
|
1609 } |
|
|
1610 |
|
|
1611 DEFUN_DLD (__gnuplot_init__, , , |
|
|
1612 "-*- texinfo -*-\n\ |
|
|
1613 @deftypefn {Loadable Function} __gnuplot_init__ ()\n\ |
|
|
1614 @end deftypefn") |
|
|
1615 { |
|
|
1616 octave_value_list retval; |
|
|
1617 |
|
|
1618 gnuplot_init (); |
|
|
1619 |
|
5102
|
1620 return retval; |
|
|
1621 } |
