annotate libinterp/corefcn/defun.cc @ 27000:711f23332204

eliminate some unnecessary include statements * oct-lvalue.h: Include stack-frame.h instead of call-stack.h. * defun.cc, ddef-method.cc, cdef-package.cc: Don't include pt-eval.h. * bp-table.cc, symtab.cc, toplev.cc: Don't include call-stack.h. * fcn-info.cc, symtab.cc, pt-decl.h, pt-misc.h: Don't include symrec.h. * symrec.cc: Don't include symscope.h. * cdef-package.cc, pt-stmt.cc: Don't include pt-walk.h. * ov-classdef.cc: Don't include symtab.h.
author John W. Eaton <jwe@octave.org>
date Fri, 29 Mar 2019 17:06:55 +0000
parents fff643eb3514
children bd49997051ef
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2
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3 Copyright (C) 1996-2019 John W. Eaton
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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
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9 the Free Software Foundation, either version 3 of the License, or
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10 (at your 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
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License 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 <https://www.gnu.org/licenses/>.
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20
ebbc34ff7f66 [project @ 1997-05-15 19:36:16 by jwe]
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21 */
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22
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23 #if defined (HAVE_CONFIG_H)
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24 # include "config.h"
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25 #endif
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26
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27 #include <string>
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28
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29 #include "call-stack.h"
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30 #include "defun.h"
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31 #include "dynamic-ld.h"
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32 #include "error.h"
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33 #include "help.h"
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34 #include "ov.h"
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35 #include "ov-builtin.h"
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36 #include "ov-dld-fcn.h"
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37 #include "ov-fcn.h"
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38 #include "ov-mex-fcn.h"
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39 #include "ov-usr-fcn.h"
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40 #include "ovl.h"
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41 #include "oct-lvalue.h"
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42 #include "pager.h"
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43 #include "interpreter-private.h"
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44 #include "interpreter.h"
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45 #include "symtab.h"
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46 #include "variables.h"
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47 #include "parse.h"
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48
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49 // Print the usage part of the doc string of FCN (user-defined or DEFUN).
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50 void
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51 print_usage (void)
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52 {
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53 octave::call_stack& cs = octave::__get_call_stack__ ("print_usage");
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54
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55 const octave_function *cur = cs.current ();
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56
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57 if (cur)
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58 print_usage (cur->name ());
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59 else
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60 error ("print_usage: invalid function");
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61 }
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62
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63 void
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64 print_usage (const std::string& name)
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65 {
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66 octave::feval ("print_usage", octave_value (name), 0);
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67 }
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68
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69 void
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70 check_version (const std::string& version, const std::string& fcn)
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71 {
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72 if (version != OCTAVE_API_VERSION)
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73 {
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74 error ("API version %s found in .oct file function '%s'\n"
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75 " does not match the running Octave (API version %s)\n"
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76 " this can lead to incorrect results or other failures\n"
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77 " you can fix this problem by recompiling this .oct file",
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78 version.c_str (), fcn.c_str (), OCTAVE_API_VERSION);
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79 }
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80 }
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81
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82 // Install variables and functions in the symbol tables.
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83
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84 void
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85 install_dld_function (octave_dld_function::fcn f, const std::string& name,
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86 const octave::dynamic_library& shl, const std::string& doc,
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87 bool relative)
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88 {
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89 octave_dld_function *fcn = new octave_dld_function (f, shl, name, doc);
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90
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91 if (relative)
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92 fcn->mark_relative ();
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93
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94 octave_value fval (fcn);
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95
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96 octave::symbol_table& symtab
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97 = octave::__get_symbol_table__ ("install_dld_function");
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98
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99 symtab.install_built_in_function (name, fval);
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100 }
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101
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102 void
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103 install_dld_function (octave_dld_function::meth m, const std::string& name,
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104 const octave::dynamic_library& shl, const std::string& doc,
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105 bool relative)
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106 {
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107 octave_dld_function *fcn = new octave_dld_function (m, shl, name, doc);
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108
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109 if (relative)
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110 fcn->mark_relative ();
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111
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112 octave_value fval (fcn);
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113
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114 octave::symbol_table& symtab
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115 = octave::__get_symbol_table__ ("install_dld_function");
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116
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117 symtab.install_built_in_function (name, fval);
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118 }
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119
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120 void
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121 install_mex_function (void *fptr, bool fmex, const std::string& name,
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122 const octave::dynamic_library& shl, bool relative)
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123 {
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124 octave_mex_function *fcn = new octave_mex_function (fptr, fmex, shl, name);
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125
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126 if (relative)
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127 fcn->mark_relative ();
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128
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129 octave_value fval (fcn);
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130
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131 octave::symbol_table& symtab
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132 = octave::__get_symbol_table__ ("install_mex_function");
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133
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134 symtab.install_built_in_function (name, fval);
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135 }
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136
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137 octave::dynamic_library
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138 get_current_shlib (void)
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139 {
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140 octave::dynamic_library retval;
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141
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142 octave::call_stack& cs = octave::__get_call_stack__ ("get_current_shlib");
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143
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144 octave_function *curr_fcn = cs.current ();
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145
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146 if (curr_fcn)
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147 {
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148 if (curr_fcn->is_dld_function ())
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149 {
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150 octave_dld_function *dld
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151 = dynamic_cast<octave_dld_function *> (curr_fcn);
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152 retval = dld->get_shlib ();
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153 }
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154 else if (curr_fcn->is_mex_function ())
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155 {
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156 octave_mex_function *mex
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157 = dynamic_cast<octave_mex_function *> (curr_fcn);
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158 retval = mex->get_shlib ();
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159 }
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160 }
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161
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162 return retval;
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163 }