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1 /* |
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2 |
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3 Copyright (C) 2004 David Bateman |
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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 In addition to the terms of the GPL, you are permitted to link |
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22 this program with any Open Source program, as defined by the |
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23 Open Source Initiative (www.opensource.org) |
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24 |
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25 */ |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
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31 #include <istream> |
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32 #include <iostream> |
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33 #include <sstream> |
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34 #include <vector> |
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35 |
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36 #include "defun.h" |
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37 #include "error.h" |
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38 #include "gripes.h" |
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39 #include "oct-map.h" |
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40 #include "ov-base.h" |
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41 #include "ov-fcn-inline.h" |
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42 #include "pr-output.h" |
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43 #include "variables.h" |
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44 #include "parse.h" |
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45 |
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46 #include "byte-swap.h" |
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47 #include "ls-oct-ascii.h" |
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48 #include "ls-hdf5.h" |
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49 #include "ls-utils.h" |
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50 |
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51 DEFINE_OCTAVE_ALLOCATOR (octave_fcn_inline); |
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52 |
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53 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_fcn_inline, |
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54 "inline function", |
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55 "function_handle"); |
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56 |
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57 octave_fcn_inline::octave_fcn_inline (const std::string& f, |
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58 const string_vector& a, |
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59 const std::string& n) |
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60 : octave_fcn_handle (n), iftext (f), ifargs (a) |
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61 { |
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62 // Form a string representing the function. |
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63 |
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64 std::ostringstream buf; |
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65 |
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66 buf << "@("; |
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67 |
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68 for (int i = 0; i < ifargs.length (); i++) |
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69 { |
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70 if (i > 0) |
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71 buf << ", "; |
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72 |
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73 buf << ifargs(i); |
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74 } |
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75 |
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76 buf << ") " << iftext; |
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77 |
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78 int parse_status; |
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79 octave_value anon_fcn_handle = eval_string (buf.str (), true, parse_status); |
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80 |
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81 if (parse_status == 0) |
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82 { |
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83 octave_fcn_handle *fh = anon_fcn_handle.fcn_handle_value (); |
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84 |
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85 if (fh) |
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86 fcn = fh->fcn_val (); |
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87 } |
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88 |
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89 if (fcn.is_undefined ()) |
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90 error ("inline: unable to define function"); |
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91 } |
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92 |
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93 // This function is supplied to allow a Matlab style class structure |
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94 // to be returned.. |
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95 Octave_map |
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96 octave_fcn_inline::map_value (void) const |
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97 { |
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98 Octave_map m; |
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99 string_vector args = fcn_arg_names (); |
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100 m.assign ("version", octave_value (1.0)); |
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101 m.assign ("isEmpty", octave_value (0.0)); |
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102 m.assign ("expr", octave_value (fcn_text ())); |
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103 m.assign ("numArgs", octave_value (args.length ())); |
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104 m.assign ("args", octave_value (args)); |
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105 std::ostringstream buf; |
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106 for (int i = 0; i < args.length (); i++) |
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107 buf << args(i) << " = INLINE_INPUTS_{" << i + 1 << "}; "; |
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108 m.assign ("inputExpr", octave_value (buf.str ())); |
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109 |
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110 return m; |
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111 } |
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112 |
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113 bool |
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114 octave_fcn_inline::save_ascii (std::ostream& os) |
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115 { |
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116 os << "# nargs: " << ifargs.length () << "\n"; |
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117 for (int i = 0; i < ifargs.length (); i++) |
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118 os << ifargs(i) << "\n"; |
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119 if (nm.length () < 1) |
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120 // Write an invalid value to flag empty fcn handle name. |
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121 os << "0\n"; |
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122 else |
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123 os << nm << "\n"; |
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124 os << iftext << "\n"; |
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125 return true; |
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126 } |
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127 |
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128 bool |
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129 octave_fcn_inline::load_ascii (std::istream& is) |
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130 { |
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131 int nargs; |
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132 if (extract_keyword (is, "nargs", nargs, true)) |
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133 { |
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134 ifargs.resize (nargs); |
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135 for (int i = 0; i < nargs; i++) |
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136 is >> ifargs(i); |
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137 is >> nm; |
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138 if (nm == "0") |
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139 nm = ""; |
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140 |
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141 char c; |
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142 std::ostringstream buf; |
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143 |
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144 // Skip preceeding newline(s) |
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145 while (is.get (c) && c == '\n'); |
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146 |
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147 if (is) |
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148 { |
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149 buf << c; |
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150 |
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151 // Get a line of text whitespace characters included, leaving |
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152 // newline in the stream |
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153 while (is.peek () != '\n') |
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154 { |
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155 is.get (c); |
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156 if (! is) |
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157 break; |
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158 buf << c; |
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159 } |
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160 } |
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161 |
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162 iftext = buf.str (); |
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163 |
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164 octave_fcn_inline tmp (iftext, ifargs, nm); |
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165 fcn = tmp.fcn; |
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166 |
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167 return true; |
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168 } |
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169 else |
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170 return false; |
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171 } |
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172 |
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173 bool |
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174 octave_fcn_inline::save_binary (std::ostream& os, bool&) |
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175 { |
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176 int32_t tmp = ifargs.length (); |
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177 os.write (reinterpret_cast<char *> (&tmp), 4); |
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178 for (int i = 0; i < ifargs.length (); i++) |
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179 { |
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180 tmp = ifargs(i).length (); |
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181 os.write (reinterpret_cast<char *> (&tmp), 4); |
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182 os.write (ifargs(i).c_str (), ifargs(i).length ()); |
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183 } |
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184 tmp = nm.length (); |
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185 os.write (reinterpret_cast<char *> (&tmp), 4); |
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186 os.write (nm.c_str (), nm.length ()); |
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187 tmp = iftext.length (); |
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188 os.write (reinterpret_cast<char *> (&tmp), 4); |
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189 os.write (iftext.c_str (), iftext.length ()); |
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190 return true; |
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191 } |
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192 |
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193 bool |
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194 octave_fcn_inline::load_binary (std::istream& is, bool swap, |
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195 oct_mach_info::float_format) |
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196 { |
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197 int32_t nargs; |
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198 if (! is.read (reinterpret_cast<char *> (&nargs), 4)) |
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199 return false; |
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200 if (swap) |
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201 swap_bytes<4> (&nargs); |
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202 |
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203 if (nargs < 1) |
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204 return false; |
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205 else |
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206 { |
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207 int32_t tmp; |
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208 ifargs.resize (nargs); |
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209 for (int i = 0; i < nargs; i++) |
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210 { |
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211 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
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212 return false; |
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213 if (swap) |
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214 swap_bytes<4> (&tmp); |
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215 |
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216 OCTAVE_LOCAL_BUFFER (char, ctmp, tmp+1); |
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217 is.read (ctmp, tmp); |
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218 ifargs(i) = std::string (ctmp); |
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219 |
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220 if (! is) |
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221 return false; |
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222 } |
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223 |
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224 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
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225 return false; |
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226 if (swap) |
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227 swap_bytes<4> (&tmp); |
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228 |
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229 OCTAVE_LOCAL_BUFFER (char, ctmp1, tmp+1); |
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230 is.read (ctmp1, tmp); |
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231 nm = std::string (ctmp1); |
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232 |
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233 if (! is) |
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234 return false; |
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235 |
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5760
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236 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
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237 return false; |
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238 if (swap) |
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239 swap_bytes<4> (&tmp); |
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240 |
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241 OCTAVE_LOCAL_BUFFER (char, ctmp2, tmp+1); |
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242 is.read (ctmp2, tmp); |
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243 iftext = std::string (ctmp2); |
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244 |
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245 if (! is) |
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246 return false; |
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247 |
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248 octave_fcn_inline ftmp (iftext, ifargs, nm); |
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249 fcn = ftmp.fcn; |
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250 } |
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251 return true; |
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252 } |
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253 |
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254 #if defined (HAVE_HDF5) |
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255 bool |
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256 octave_fcn_inline::save_hdf5 (hid_t loc_id, const char *name, |
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257 bool /* save_as_floats */) |
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258 { |
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259 hid_t group_hid = -1; |
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260 group_hid = H5Gcreate (loc_id, name, 0); |
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261 if (group_hid < 0 ) return false; |
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262 |
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263 size_t len = 0; |
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264 for (int i = 0; i < ifargs.length (); i++) |
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265 if (len < ifargs(i).length ()) |
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266 len = ifargs(i).length (); |
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4972
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267 |
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268 hid_t space_hid = -1, data_hid = -1, type_hid = -1;; |
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269 bool retval = true; |
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270 |
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5775
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271 // FIXME Is there a better way of saving string vectors, than a |
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4972
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272 // null padded matrix? |
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273 |
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274 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, 2); |
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275 |
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276 // Octave uses column-major, while HDF5 uses row-major ordering |
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4973
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277 hdims[1] = ifargs.length (); |
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278 hdims[0] = len + 1; |
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279 |
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280 space_hid = H5Screate_simple (2, hdims, 0); |
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281 if (space_hid < 0) |
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282 { |
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283 H5Gclose (group_hid); |
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284 return false; |
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285 } |
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286 |
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287 data_hid = H5Dcreate (group_hid, "args", H5T_NATIVE_CHAR, space_hid, |
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288 H5P_DEFAULT); |
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289 if (data_hid < 0) |
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290 { |
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291 H5Sclose (space_hid); |
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292 H5Gclose (group_hid); |
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293 return false; |
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294 } |
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295 |
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4973
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296 OCTAVE_LOCAL_BUFFER (char, s, ifargs.length () * (len + 1)); |
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297 |
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298 // Save the args as a null teminated list |
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299 for (int i = 0; i < ifargs.length (); i++) |
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300 { |
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301 const char * cptr = ifargs(i).c_str (); |
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302 for (size_t j = 0; j < ifargs(i).length (); j++) |
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4972
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303 s[i*(len+1)+j] = *cptr++; |
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4973
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304 s[ifargs(i).length ()] = '\0'; |
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4972
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305 } |
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306 |
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4973
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307 retval = H5Dwrite (data_hid, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, |
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4972
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308 H5P_DEFAULT, s) >= 0; |
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309 |
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310 H5Dclose (data_hid); |
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311 H5Sclose (space_hid); |
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312 |
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313 if (!retval) |
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314 { |
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315 H5Gclose (group_hid); |
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316 return false; |
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4973
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317 } |
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4972
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318 |
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319 // attach the type of the variable |
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4973
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320 type_hid = H5Tcopy (H5T_C_S1); |
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4972
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321 H5Tset_size (type_hid, nm.length () + 1); |
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322 if (type_hid < 0) |
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323 { |
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324 H5Gclose (group_hid); |
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325 return false; |
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4973
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326 } |
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4972
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327 |
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328 hdims[0] = 0; |
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5760
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329 space_hid = H5Screate_simple (0 , hdims, 0); |
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4972
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330 if (space_hid < 0) |
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331 { |
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332 H5Tclose (type_hid); |
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333 H5Gclose (group_hid); |
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334 return false; |
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4973
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335 } |
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4972
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336 |
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337 data_hid = H5Dcreate (group_hid, "nm", type_hid, space_hid, H5P_DEFAULT); |
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4973
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338 if (data_hid < 0 || H5Dwrite (data_hid, type_hid, H5S_ALL, H5S_ALL, |
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5760
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339 H5P_DEFAULT, nm.c_str ()) < 0) |
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4972
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340 { |
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341 H5Sclose (space_hid); |
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342 H5Tclose (type_hid); |
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343 H5Gclose (group_hid); |
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344 return false; |
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4973
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345 } |
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4972
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346 H5Dclose (data_hid); |
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347 |
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348 // attach the type of the variable |
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349 H5Tset_size (type_hid, iftext.length () + 1); |
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350 if (type_hid < 0) |
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351 { |
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352 H5Gclose (group_hid); |
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353 return false; |
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4973
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354 } |
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4972
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355 |
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4973
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356 data_hid = H5Dcreate (group_hid, "iftext", type_hid, space_hid, |
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4972
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357 H5P_DEFAULT); |
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4973
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358 if (data_hid < 0 || H5Dwrite (data_hid, type_hid, H5S_ALL, H5S_ALL, |
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5760
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359 H5P_DEFAULT, iftext.c_str ()) < 0) |
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4972
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360 { |
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361 H5Sclose (space_hid); |
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362 H5Tclose (type_hid); |
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363 H5Gclose (group_hid); |
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364 return false; |
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4973
|
365 } |
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4972
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366 |
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367 H5Dclose (data_hid); |
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4988
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368 H5Sclose (space_hid); |
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369 H5Tclose (type_hid); |
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370 H5Gclose (group_hid); |
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4972
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371 |
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372 return retval; |
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373 } |
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374 |
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375 bool |
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376 octave_fcn_inline::load_hdf5 (hid_t loc_id, const char *name, |
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4973
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377 bool /* have_h5giterate_bug */) |
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4972
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378 { |
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|
379 hid_t group_hid, data_hid, space_hid, type_hid, type_class_hid, st_id; |
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380 hsize_t rank; |
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381 int slen; |
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382 |
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383 group_hid = H5Gopen (loc_id, name); |
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384 if (group_hid < 0 ) return false; |
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385 |
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386 data_hid = H5Dopen (group_hid, "args"); |
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387 space_hid = H5Dget_space (data_hid); |
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388 rank = H5Sget_simple_extent_ndims (space_hid); |
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389 |
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390 if (rank != 2) |
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4973
|
391 { |
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4972
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392 H5Dclose (data_hid); |
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|
393 H5Sclose (space_hid); |
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|
394 H5Gclose (group_hid); |
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395 return false; |
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|
396 } |
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397 |
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398 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
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|
399 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
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|
400 |
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|
401 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); |
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402 |
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4973
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403 ifargs.resize (hdims[1]); |
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4972
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404 |
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405 OCTAVE_LOCAL_BUFFER (char, s1, hdims[0] * hdims[1]); |
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|
406 |
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4973
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407 if (H5Dread (data_hid, H5T_NATIVE_UCHAR, H5S_ALL, H5S_ALL, |
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4972
|
408 H5P_DEFAULT, s1) < 0) |
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4973
|
409 { |
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4972
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410 H5Dclose (data_hid); |
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|
411 H5Sclose (space_hid); |
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|
412 H5Gclose (group_hid); |
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|
413 return false; |
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|
414 } |
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|
415 |
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|
416 H5Dclose (data_hid); |
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|
417 H5Sclose (space_hid); |
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|
418 |
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|
419 for (size_t i = 0; i < hdims[1]; i++) |
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|
420 ifargs(i) = std::string (s1 + i*hdims[0]); |
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|
421 |
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|
422 data_hid = H5Dopen (group_hid, "nm"); |
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423 |
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424 if (data_hid < 0) |
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|
425 { |
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|
426 H5Gclose (group_hid); |
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|
427 return false; |
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|
428 } |
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|
429 |
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|
430 type_hid = H5Dget_type (data_hid); |
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|
431 type_class_hid = H5Tget_class (type_hid); |
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432 |
|
|
433 if (type_class_hid != H5T_STRING) |
|
|
434 { |
|
|
435 H5Tclose (type_hid); |
|
|
436 H5Dclose (data_hid); |
|
|
437 H5Gclose (group_hid); |
|
|
438 return false; |
|
|
439 } |
|
4973
|
440 |
|
4972
|
441 space_hid = H5Dget_space (data_hid); |
|
|
442 rank = H5Sget_simple_extent_ndims (space_hid); |
|
|
443 |
|
|
444 if (rank != 0) |
|
|
445 { |
|
|
446 H5Sclose (space_hid); |
|
|
447 H5Tclose (type_hid); |
|
|
448 H5Dclose (data_hid); |
|
|
449 H5Gclose (group_hid); |
|
|
450 return false; |
|
|
451 } |
|
|
452 |
|
|
453 slen = H5Tget_size (type_hid); |
|
|
454 if (slen < 0) |
|
|
455 { |
|
|
456 H5Sclose (space_hid); |
|
|
457 H5Tclose (type_hid); |
|
|
458 H5Dclose (data_hid); |
|
|
459 H5Gclose (group_hid); |
|
|
460 return false; |
|
|
461 } |
|
|
462 |
|
|
463 OCTAVE_LOCAL_BUFFER (char, nm_tmp, slen); |
|
|
464 |
|
|
465 // create datatype for (null-terminated) string to read into: |
|
|
466 st_id = H5Tcopy (H5T_C_S1); |
|
|
467 H5Tset_size (st_id, slen); |
|
|
468 |
|
5760
|
469 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, nm_tmp) < 0) |
|
4972
|
470 { |
|
|
471 H5Sclose (space_hid); |
|
|
472 H5Tclose (type_hid); |
|
|
473 H5Gclose (group_hid); |
|
|
474 return false; |
|
|
475 } |
|
|
476 H5Tclose (st_id); |
|
|
477 H5Dclose (data_hid); |
|
|
478 nm = nm_tmp; |
|
|
479 |
|
|
480 data_hid = H5Dopen (group_hid, "iftext"); |
|
|
481 |
|
|
482 if (data_hid < 0) |
|
|
483 { |
|
|
484 H5Gclose (group_hid); |
|
|
485 return false; |
|
|
486 } |
|
|
487 |
|
|
488 type_hid = H5Dget_type (data_hid); |
|
|
489 type_class_hid = H5Tget_class (type_hid); |
|
|
490 |
|
|
491 if (type_class_hid != H5T_STRING) |
|
|
492 { |
|
|
493 H5Tclose (type_hid); |
|
|
494 H5Dclose (data_hid); |
|
|
495 H5Gclose (group_hid); |
|
|
496 return false; |
|
|
497 } |
|
4973
|
498 |
|
4972
|
499 space_hid = H5Dget_space (data_hid); |
|
|
500 rank = H5Sget_simple_extent_ndims (space_hid); |
|
|
501 |
|
|
502 if (rank != 0) |
|
|
503 { |
|
|
504 H5Sclose (space_hid); |
|
|
505 H5Tclose (type_hid); |
|
|
506 H5Dclose (data_hid); |
|
|
507 H5Gclose (group_hid); |
|
|
508 return false; |
|
|
509 } |
|
|
510 |
|
|
511 slen = H5Tget_size (type_hid); |
|
|
512 if (slen < 0) |
|
|
513 { |
|
|
514 H5Sclose (space_hid); |
|
|
515 H5Tclose (type_hid); |
|
|
516 H5Dclose (data_hid); |
|
|
517 H5Gclose (group_hid); |
|
|
518 return false; |
|
|
519 } |
|
|
520 |
|
|
521 OCTAVE_LOCAL_BUFFER (char, iftext_tmp, slen); |
|
|
522 |
|
|
523 // create datatype for (null-terminated) string to read into: |
|
|
524 st_id = H5Tcopy (H5T_C_S1); |
|
|
525 H5Tset_size (st_id, slen); |
|
|
526 |
|
5760
|
527 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, iftext_tmp) < 0) |
|
4972
|
528 { |
|
|
529 H5Sclose (space_hid); |
|
|
530 H5Tclose (type_hid); |
|
|
531 H5Gclose (group_hid); |
|
|
532 return false; |
|
|
533 } |
|
|
534 H5Tclose (st_id); |
|
|
535 H5Dclose (data_hid); |
|
|
536 iftext = iftext_tmp; |
|
|
537 |
|
|
538 octave_fcn_inline ftmp (iftext, ifargs, nm); |
|
|
539 fcn = ftmp.fcn; |
|
|
540 |
|
|
541 return true; |
|
|
542 } |
|
|
543 #endif |
|
|
544 |
|
4933
|
545 void |
|
|
546 octave_fcn_inline::print (std::ostream& os, bool pr_as_read_syntax) const |
|
|
547 { |
|
|
548 print_raw (os, pr_as_read_syntax); |
|
|
549 newline (os); |
|
|
550 } |
|
|
551 |
|
|
552 void |
|
|
553 octave_fcn_inline::print_raw (std::ostream& os, bool pr_as_read_syntax) const |
|
|
554 { |
|
5765
|
555 std::ostringstream buf; |
|
4933
|
556 |
|
|
557 if (nm.empty ()) |
|
|
558 buf << "f("; |
|
|
559 else |
|
|
560 buf << nm << "("; |
|
|
561 |
|
|
562 for (int i = 0; i < ifargs.length (); i++) |
|
|
563 { |
|
|
564 if (i) |
|
|
565 buf << ", "; |
|
|
566 |
|
|
567 buf << ifargs(i); |
|
|
568 } |
|
|
569 |
|
5765
|
570 buf << ") = " << iftext; |
|
4933
|
571 |
|
5765
|
572 octave_print_internal (os, buf.str (), pr_as_read_syntax, |
|
4933
|
573 current_print_indent_level ()); |
|
|
574 } |
|
|
575 |
|
|
576 octave_value |
|
5279
|
577 octave_fcn_inline::convert_to_str_internal (bool, bool, char type) const |
|
4933
|
578 { |
|
5279
|
579 return octave_value (fcn_text (), type); |
|
4933
|
580 } |
|
|
581 |
|
6973
|
582 DEFUNX ("inline", Finline, args, , |
|
4933
|
583 "-*- texinfo -*-\n\ |
|
|
584 @deftypefn {Built-in Function} {} inline (@var{str})\n\ |
|
6547
|
585 @deftypefnx {Built-in Function} {} inline (@var{str}, @var{arg1}, @dots{})\n\ |
|
4933
|
586 @deftypefnx {Built-in Function} {} inline (@var{str}, @var{n})\n\ |
|
|
587 Create an inline function from the character string @var{str}.\n\ |
|
5034
|
588 If called with a single argument, the arguments of the generated\n\ |
|
|
589 function are extracted from the function itself. The generated\n\ |
|
|
590 function arguments will then be in alphabetical order. It should\n\ |
|
|
591 be noted that i, and j are ignored as arguments due to the\n\ |
|
|
592 ambiguity between their use as a variable or their use as an inbuilt\n\ |
|
7001
|
593 constant. All arguments followed by a parenthesis are considered\n\ |
|
5034
|
594 to be functions.\n\ |
|
4933
|
595 \n\ |
|
|
596 If the second and subsequent arguments are character strings,\n\ |
|
|
597 they are the names of the arguments of the function.\n\ |
|
|
598 \n\ |
|
|
599 If the second argument is an integer @var{n}, the arguments are\n\ |
|
|
600 @code{\"x\"}, @code{\"P1\"}, @dots{}, @code{\"P@var{N}\"}.\n\ |
|
5642
|
601 @seealso{argnames, formula, vectorize}\n\ |
|
|
602 @end deftypefn") |
|
4933
|
603 { |
|
|
604 octave_value retval; |
|
|
605 |
|
|
606 int nargin = args.length (); |
|
|
607 |
|
|
608 if (nargin > 0) |
|
|
609 { |
|
|
610 std::string fun = args(0).string_value (); |
|
|
611 |
|
|
612 if (! error_state) |
|
|
613 { |
|
|
614 string_vector fargs; |
|
|
615 |
|
|
616 if (nargin == 1) |
|
|
617 { |
|
5034
|
618 bool is_arg = false; |
|
5037
|
619 bool in_string = false; |
|
5034
|
620 std::string tmp_arg; |
|
|
621 size_t i = 0; |
|
|
622 |
|
|
623 while (i < fun.length ()) |
|
|
624 { |
|
5037
|
625 bool terminate_arg = false; |
|
5034
|
626 char c = fun[i++]; |
|
4933
|
627 |
|
5037
|
628 if (in_string) |
|
|
629 { |
|
|
630 if (c == '\'' || c == '\"') |
|
|
631 in_string = false; |
|
|
632 } |
|
|
633 else if (c == '\'' || c == '\"') |
|
|
634 { |
|
|
635 in_string = true; |
|
|
636 if (is_arg) |
|
|
637 terminate_arg = true; |
|
|
638 } |
|
|
639 else if (! isalpha (c) && c != '_') |
|
5034
|
640 if (! is_arg) |
|
|
641 continue; |
|
|
642 else if (isdigit (c)) |
|
5037
|
643 tmp_arg.append (1, c); |
|
5034
|
644 else |
|
|
645 { |
|
5037
|
646 // Before we do anything remove trailing whitespaces. |
|
5034
|
647 while (i < fun.length () && isspace (c)) |
|
|
648 c = fun[i++]; |
|
5037
|
649 |
|
5034
|
650 // Do we have a variable or a function? |
|
|
651 if (c != '(') |
|
5037
|
652 terminate_arg = true; |
|
|
653 else |
|
5034
|
654 { |
|
5037
|
655 tmp_arg = std::string (); |
|
|
656 is_arg = false; |
|
5034
|
657 } |
|
|
658 } |
|
|
659 else |
|
|
660 { |
|
|
661 tmp_arg.append (1, c); |
|
|
662 is_arg = true; |
|
5037
|
663 } |
|
5034
|
664 |
|
5037
|
665 if (terminate_arg || (i == fun.length () && is_arg)) |
|
|
666 { |
|
|
667 bool have_arg = false; |
|
|
668 |
|
|
669 for (int j = 0; j < fargs.length (); j++) |
|
|
670 if (tmp_arg == fargs (j)) |
|
|
671 { |
|
|
672 have_arg = true; |
|
|
673 break; |
|
|
674 } |
|
5034
|
675 |
|
5037
|
676 if (! have_arg && tmp_arg != "i" && tmp_arg != "j") |
|
|
677 fargs.append (tmp_arg); |
|
|
678 |
|
|
679 tmp_arg = std::string (); |
|
|
680 is_arg = false; |
|
5022
|
681 } |
|
|
682 } |
|
5034
|
683 |
|
5037
|
684 // Sort the arguments into ascii order. |
|
5034
|
685 fargs.qsort (); |
|
4933
|
686 } |
|
|
687 else if (nargin == 2 && args(1).is_numeric_type ()) |
|
|
688 { |
|
|
689 int n = args(1).int_value (); |
|
|
690 |
|
|
691 if (! error_state) |
|
|
692 { |
|
|
693 if (n >= 0) |
|
|
694 { |
|
|
695 fargs.resize (n+1); |
|
|
696 |
|
|
697 fargs(0) = "x"; |
|
|
698 |
|
|
699 for (int i = 1; i < n+1; i++) |
|
|
700 { |
|
5765
|
701 std::ostringstream buf; |
|
|
702 buf << "P" << i; |
|
|
703 fargs(i) = buf.str (); |
|
4933
|
704 } |
|
|
705 } |
|
|
706 else |
|
|
707 { |
|
|
708 error ("inline: numeric argument must be nonnegative"); |
|
|
709 return retval; |
|
|
710 } |
|
|
711 } |
|
|
712 else |
|
|
713 { |
|
|
714 error ("inline: expecting second argument to be an integer"); |
|
|
715 return retval; |
|
|
716 } |
|
|
717 } |
|
|
718 else |
|
|
719 { |
|
|
720 fargs.resize (nargin - 1); |
|
|
721 |
|
|
722 for (int i = 1; i < nargin; i++) |
|
|
723 { |
|
|
724 std::string s = args(i).string_value (); |
|
|
725 |
|
|
726 if (! error_state) |
|
|
727 fargs(i-1) = s; |
|
|
728 else |
|
|
729 { |
|
|
730 error ("inline: expecting string arguments"); |
|
|
731 return retval; |
|
|
732 } |
|
|
733 } |
|
|
734 } |
|
|
735 |
|
|
736 retval = octave_value (new octave_fcn_inline (fun, fargs)); |
|
|
737 } |
|
|
738 else |
|
|
739 error ("inline: first argument must be a string"); |
|
|
740 } |
|
|
741 else |
|
5823
|
742 print_usage (); |
|
4933
|
743 |
|
|
744 return retval; |
|
|
745 } |
|
|
746 |
|
|
747 DEFUN (formula, args, , |
|
|
748 "-*- texinfo -*-\n\ |
|
|
749 @deftypefn {Built-in Function} {} formula (@var{fun})\n\ |
|
|
750 Return a character string representing the inline function @var{fun}.\n\ |
|
|
751 Note that @code{char (@var{fun})} is equivalent to\n\ |
|
|
752 @code{formula (@var{fun})}.\n\ |
|
5642
|
753 @seealso{argnames, inline, vectorize}\n\ |
|
|
754 @end deftypefn") |
|
4933
|
755 { |
|
|
756 octave_value retval; |
|
|
757 |
|
|
758 int nargin = args.length (); |
|
|
759 |
|
|
760 if (nargin == 1) |
|
|
761 { |
|
|
762 octave_fcn_inline* fn = args(0).fcn_inline_value (true); |
|
|
763 |
|
|
764 if (fn) |
|
|
765 retval = octave_value (fn->fcn_text ()); |
|
|
766 else |
|
|
767 error ("formula: must be an inline function"); |
|
|
768 } |
|
|
769 else |
|
5823
|
770 print_usage (); |
|
4933
|
771 |
|
|
772 return retval; |
|
|
773 } |
|
|
774 |
|
|
775 DEFUN (argnames, args, , |
|
|
776 "-*- texinfo -*-\n\ |
|
|
777 @deftypefn {Built-in Function} {} argnames (@var{fun})\n\ |
|
|
778 Return a cell array of character strings containing the names of\n\ |
|
|
779 the arguments of the inline function @var{fun}.\n\ |
|
6529
|
780 @seealso{inline, formula, vectorize}\n\ |
|
5642
|
781 @end deftypefn") |
|
4933
|
782 { |
|
|
783 octave_value retval; |
|
|
784 |
|
|
785 int nargin = args.length (); |
|
|
786 |
|
|
787 if (nargin == 1) |
|
|
788 { |
|
|
789 octave_fcn_inline *fn = args(0).fcn_inline_value (true); |
|
|
790 |
|
|
791 if (fn) |
|
|
792 { |
|
|
793 string_vector t1 = fn->fcn_arg_names (); |
|
|
794 |
|
|
795 Cell t2 (dim_vector (t1.length (), 1)); |
|
|
796 |
|
|
797 for (int i = 0; i < t1.length (); i++) |
|
|
798 t2(i) = t1(i); |
|
|
799 |
|
|
800 retval = t2; |
|
|
801 } |
|
|
802 else |
|
|
803 error ("argnames: argument must be an inline function"); |
|
|
804 } |
|
|
805 else |
|
5823
|
806 print_usage (); |
|
4933
|
807 |
|
|
808 return retval; |
|
|
809 } |
|
|
810 |
|
|
811 DEFUN (vectorize, args, , |
|
|
812 "-*- texinfo -*-\n\ |
|
6635
|
813 @deftypefn {Built-in Function} {} vectorize (@var{fun})\n\ |
|
4933
|
814 Create a vectorized version of the inline function @var{fun}\n\ |
|
|
815 by replacing all occurrences of @code{*}, @code{/}, etc., with\n\ |
|
|
816 @code{.*}, @code{./}, etc.\n\ |
|
5642
|
817 @end deftypefn") |
|
4933
|
818 { |
|
|
819 octave_value retval; |
|
|
820 |
|
|
821 int nargin = args.length (); |
|
|
822 |
|
|
823 if (nargin == 1) |
|
|
824 { |
|
5409
|
825 std::string old_func; |
|
|
826 octave_fcn_inline* old = 0; |
|
|
827 bool func_is_string = true; |
|
4933
|
828 |
|
5409
|
829 if (args(0).is_string ()) |
|
|
830 old_func = args(0).string_value (); |
|
|
831 else |
|
4933
|
832 { |
|
5409
|
833 old = args(0).fcn_inline_value (true); |
|
|
834 func_is_string = false; |
|
|
835 |
|
|
836 if (old) |
|
|
837 old_func = old->fcn_text (); |
|
|
838 else |
|
|
839 error ("vectorize: must be a string or inline function"); |
|
|
840 } |
|
|
841 |
|
|
842 if (! error_state) |
|
|
843 { |
|
4933
|
844 std::string new_func; |
|
|
845 size_t i = 0; |
|
|
846 |
|
|
847 while (i < old_func.length ()) |
|
|
848 { |
|
|
849 std::string t1 = old_func.substr (i, 1); |
|
|
850 |
|
|
851 if (t1 == "*" || t1 == "/" || t1 == "\\" || t1 == "^") |
|
|
852 { |
|
|
853 if (i && old_func.substr (i-1, 1) != ".") |
|
|
854 new_func.append ("."); |
|
|
855 |
|
|
856 // Special case for ** operator. |
|
4973
|
857 if (t1 == "*" && i < (old_func.length () - 1) |
|
4933
|
858 && old_func.substr (i+1, 1) == "*") |
|
|
859 { |
|
|
860 new_func.append ("*"); |
|
|
861 i++; |
|
|
862 } |
|
|
863 } |
|
|
864 new_func.append (t1); |
|
|
865 i++; |
|
|
866 } |
|
|
867 |
|
5409
|
868 if (func_is_string) |
|
|
869 retval = octave_value (new_func); |
|
|
870 else |
|
|
871 retval = octave_value (new octave_fcn_inline |
|
|
872 (new_func, old->fcn_arg_names ())); |
|
4933
|
873 } |
|
|
874 } |
|
|
875 else |
|
5823
|
876 print_usage (); |
|
4933
|
877 |
|
|
878 return retval; |
|
|
879 } |
|
|
880 |
|
|
881 /* |
|
|
882 ;;; Local Variables: *** |
|
|
883 ;;; mode: C++ *** |
|
|
884 ;;; End: *** |
|
|
885 */ |
