annotate libinterp/corefcn/stack-frame.cc @ 30565:83f9f8bda883

maint: Merge stable to default.
author John W. Eaton <jwe@octave.org>
date Tue, 28 Dec 2021 18:59:33 -0500
parents 91c6288781ba 796f54d4ddbf
children 08b08b7f05b2
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1995-2022 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
26661
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25
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include "lo-regexp.h"
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31 #include "str-vec.h"
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32
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33 #include "defun.h"
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34 #include "interpreter.h"
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35 #include "interpreter-private.h"
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36 #include "oct-map.h"
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37 #include "ov.h"
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38 #include "ov-fcn.h"
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39 #include "ov-fcn-handle.h"
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40 #include "ov-usr-fcn.h"
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41 #include "pager.h"
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42 #include "parse.h"
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43 #include "pt-eval.h"
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44 #include "stack-frame.h"
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45 #include "syminfo.h"
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46 #include "symrec.h"
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47 #include "symscope.h"
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48 #include "variables.h"
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49
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50 namespace octave
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51 {
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52 class compiled_fcn_stack_frame : public stack_frame
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53 {
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54 public:
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55
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56 compiled_fcn_stack_frame (void) = delete;
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57
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58 compiled_fcn_stack_frame (tree_evaluator& tw, octave_function *fcn,
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59 std::size_t index,
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60 const std::shared_ptr<stack_frame>& parent_link,
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61 const std::shared_ptr<stack_frame>& static_link)
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62 : stack_frame (tw, index, parent_link, static_link,
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63 static_link->access_link ()),
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64 m_fcn (fcn)
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65 { }
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66
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67 compiled_fcn_stack_frame (const compiled_fcn_stack_frame& elt) = default;
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68
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69 compiled_fcn_stack_frame&
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70 operator = (const compiled_fcn_stack_frame& elt) = delete;
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71
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72 ~compiled_fcn_stack_frame (void) = default;
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73
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74 bool is_compiled_fcn_frame (void) const { return true; }
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75
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76 symbol_scope get_scope (void) const
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77 {
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78 return m_static_link->get_scope ();
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79 }
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80
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81 octave_function * function (void) const { return m_fcn; }
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82
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83 symbol_record lookup_symbol (const std::string& name) const
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84 {
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85 return m_static_link->lookup_symbol (name);
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86 }
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87
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88 symbol_record insert_symbol (const std::string& name)
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89 {
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90 return m_static_link->insert_symbol (name);
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91 }
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92
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93 stack_frame::scope_flags scope_flag (const symbol_record& sym) const
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94 {
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95 // Look in closest stack frame that contains values (either the
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96 // top scope, or a user-defined function or script).
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97
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98 return m_static_link->scope_flag (sym);
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99 }
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100
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101 void set_auto_fcn_var (auto_var_type avt, const octave_value& val)
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102 {
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103 m_static_link->set_auto_fcn_var (avt, val);
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104 }
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105
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106 octave_value get_auto_fcn_var (auto_var_type avt) const
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107 {
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108 return m_static_link->get_auto_fcn_var (avt);
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109 }
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110
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111 // We only need to override one of each of these functions. The
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112 // using declaration will avoid warnings about partially-overloaded
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113 // virtual functions.
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114 using stack_frame::varval;
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115 using stack_frame::varref;
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116
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117 octave_value varval (const symbol_record& sym) const
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118 {
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119 // Look in closest stack frame that contains values (either the
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120 // top scope, or a user-defined function or script).
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121
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122 return m_static_link->varval (sym);
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123 }
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124
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125 octave_value& varref (const symbol_record& sym)
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126 {
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127 // Look in closest stack frame that contains values (either the
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128 // top scope, or a user-defined function or script).
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129
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130 return m_static_link->varref (sym);
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131 }
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132
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133 void mark_scope (const symbol_record& sym, scope_flags flag)
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134 {
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135 // Look in closest stack frame that contains values (either the
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136 // top scope, or a user-defined function or script).
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137
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138 m_static_link->mark_scope (sym, flag);
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139 }
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140
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141 void display (bool follow = true) const;
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142
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143 void accept (stack_frame_walker& sfw);
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144
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145 private:
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146
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147 // Compiled function object associated with this stack frame.
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148 // Should always be a built-in, .oct or .mex file function and
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149 // should always be valid.
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150 octave_function *m_fcn;
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151 };
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152
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153 // Scripts have a symbol_scope object to store the set of variables
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154 // in the script, but values for those variables are stored in the
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155 // stack frame corresponding to the nearest calling function or in
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156 // the top-level scope (the evaluation stack frame).
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157 //
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158 // Accessing values in a scope requires a mapping from the index of
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159 // the variable for the script scope to the list of values in the
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160 // evaluation frame(s). The frame offset tells us how many access
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161 // links we must follow to find the stack frame that holds the
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162 // value. The value offset is the index into the vector of values
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163 // in that stack frame that we should use to find the value.
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164 //
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165 // Frame and value offsets are set in this stack frame when it is
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166 // created using information from the script and enclosing scopes.
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167 //
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168 // If a script is invoked in a nested function context, the frame
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169 // offsets for individual values may be different. Some may be
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170 // accessed from the invoking function and some may come from a
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171 // parent function.
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172
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173 class script_stack_frame : public stack_frame
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174 {
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175 public:
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176
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177 script_stack_frame (void) = delete;
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178
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179 script_stack_frame (tree_evaluator& tw, octave_user_script *script,
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180 std::size_t index,
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181 const std::shared_ptr<stack_frame>& parent_link,
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182 const std::shared_ptr<stack_frame>& static_link);
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183
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184 script_stack_frame (const script_stack_frame& elt) = default;
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185
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186 script_stack_frame& operator = (const script_stack_frame& elt) = delete;
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187
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188 ~script_stack_frame (void)
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189 {
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190 delete m_unwind_protect_frame;
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191 }
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192
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193 bool is_user_script_frame (void) const { return true; }
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194
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195 static std::shared_ptr<stack_frame>
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196 get_access_link (const std::shared_ptr<stack_frame>& static_link);
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197
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198 static std::size_t get_num_symbols (octave_user_script *script);
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199
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200 void set_script_offsets (void);
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201
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202 void set_script_offsets_internal (const std::map<std::string,
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203 symbol_record>& symbols);
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204
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205 void resize_and_update_script_offsets (const symbol_record& sym);
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206
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207 symbol_scope get_scope (void) const { return m_script->scope (); }
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208
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209 octave_function * function (void) const { return m_script; }
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210
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211 unwind_protect * unwind_protect_frame (void);
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212
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213 symbol_record lookup_symbol (const std::string& name) const;
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214
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215 symbol_record insert_symbol (const std::string&);
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216
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217 std::size_t size (void) const { return m_lexical_frame_offsets.size (); }
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218
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219 void resize (std::size_t size)
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220 {
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221 m_lexical_frame_offsets.resize (size, 0);
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222 m_value_offsets.resize (size, 0);
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223 }
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224
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225 void get_val_offsets_with_insert (const symbol_record& sym,
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226 std::size_t& frame_offset,
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227 std::size_t& data_offset);
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228
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229 bool get_val_offsets_internal (const symbol_record& sym,
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230 std::size_t& frame_offset,
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231 std::size_t& data_offset) const;
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232
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233 bool get_val_offsets (const symbol_record& sym, std::size_t& frame_offset,
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234 std::size_t& data_offset) const;
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235
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236 scope_flags scope_flag (const symbol_record& sym) const;
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237
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238 void set_auto_fcn_var (auto_var_type avt, const octave_value& val)
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239 {
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240 m_access_link->set_auto_fcn_var (avt, val);
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241 }
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242
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243 octave_value get_auto_fcn_var (auto_var_type avt) const
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244 {
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245 return m_access_link->get_auto_fcn_var (avt);
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246 }
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247
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248 // We only need to override one of each of these functions. The
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249 // using declaration will avoid warnings about partially-overloaded
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250 // virtual functions.
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251 using stack_frame::varval;
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252 using stack_frame::varref;
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253
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254 octave_value varval (const symbol_record& sym) const;
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255
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256 octave_value& varref (const symbol_record& sym);
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257
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258 void mark_scope (const symbol_record& sym, scope_flags flag);
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259
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260 void display (bool follow = true) const;
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261
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262 void accept (stack_frame_walker& sfw);
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263
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264 private:
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265
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266 // Script object associated with this stack frame. Should always
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267 // be valid.
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268 octave_user_script *m_script;
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269
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270 // The nearest unwind protect frame that was active when this
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271 // stack frame was created. Should always be valid.
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272 unwind_protect *m_unwind_protect_frame;
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273
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274 // Mapping between the symbols in the symbol_scope object of the
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275 // script to the stack frame in which the script is executed. The
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276 // frame offsets may be greater than one if the script is executed
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277 // in a nested function context.
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278
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279 std::vector<std::size_t> m_lexical_frame_offsets;
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280 std::vector<std::size_t> m_value_offsets;
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281 };
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282
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283 // Base class for values and offsets shared by user_fcn and scope
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284 // frames.
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285
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286 class base_value_stack_frame : public stack_frame
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287 {
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288 public:
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289
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290 base_value_stack_frame (void) = delete;
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291
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292 base_value_stack_frame (tree_evaluator& tw, std::size_t num_symbols,
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293 std::size_t index,
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294 const std::shared_ptr<stack_frame>& parent_link,
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295 const std::shared_ptr<stack_frame>& static_link,
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296 const std::shared_ptr<stack_frame>& access_link)
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297 : stack_frame (tw, index, parent_link, static_link, access_link),
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298 m_values (num_symbols, octave_value ()),
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299 m_flags (num_symbols, LOCAL),
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300 m_auto_vars (NUM_AUTO_VARS, octave_value ())
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301 { }
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302
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303 base_value_stack_frame (const base_value_stack_frame& elt) = default;
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304
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305 base_value_stack_frame&
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306 operator = (const base_value_stack_frame& elt) = delete;
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307
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308 ~base_value_stack_frame (void) = default;
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309
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310 std::size_t size (void) const
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311 {
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312 return m_values.size ();
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313 }
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314
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315 void resize (std::size_t size)
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316 {
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317 m_values.resize (size, octave_value ());
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318 m_flags.resize (size, LOCAL);
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319 }
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320
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321 stack_frame::scope_flags get_scope_flag (std::size_t data_offset) const
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322 {
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323 return m_flags.at (data_offset);
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324 }
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325
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326 void set_scope_flag (std::size_t data_offset, scope_flags flag)
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327 {
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328 m_flags.at (data_offset) = flag;
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329 }
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330
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331 octave_value get_auto_fcn_var (auto_var_type avt) const
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332 {
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333 return m_auto_vars.at (avt);
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334 }
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335
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336 void set_auto_fcn_var (auto_var_type avt, const octave_value& val)
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337 {
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338 m_auto_vars.at (avt) = val;
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339 }
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340
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341 // We only need to override one of each of these functions. The
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342 // using declaration will avoid warnings about partially-overloaded
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343 // virtual functions.
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344 using stack_frame::varval;
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345 using stack_frame::varref;
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346
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347 octave_value varval (std::size_t data_offset) const
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348 {
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349 return m_values.at (data_offset);
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350 }
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351
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352 octave_value& varref (std::size_t data_offset)
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353 {
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354 return m_values.at (data_offset);
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355 }
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356
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357 void display (bool follow = true) const;
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358
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359 protected:
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360
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361 // Variable values. This array is indexed by the data_offset
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362 // value stored in the symbol_record objects of the scope
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363 // associated with this stack frame.
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364 std::vector<octave_value> m_values;
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365
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366 // The type of each variable (local, global, persistent) of each
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367 // value. This array is indexed by the data_offset value stored
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368 // in the symbol_record objects of the scope associated with this
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369 // stack frame. Local values are found in the M_VALUES array.
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370 // Global values are stored in the tree_evaluator object that contains
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371 // the stack frame. Persistent values are stored in the function
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372 // scope corresponding to the stack frame.
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373 std::vector<scope_flags> m_flags;
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374
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375 // A fixed list of Automatic variables created for this function.
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376 // The elements of this vector correspond to the auto_var_type
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377 // enum.
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378 std::vector<octave_value> m_auto_vars;
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379 };
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380
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381 // User-defined functions have a symbol_scope object to store the set
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382 // of variables in the function and values are stored in the stack
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383 // frame corresponding to the invocation of the function or one of
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384 // its parents. The frame offset tells us how many access links we
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385 // must follow to find the stack frame that holds the value. The
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386 // value offset is the index into the vector of values in that stack
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387 // frame that we should use to find the value.
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388 //
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389 // Frame and value offsets are determined when the corresponding
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390 // function is parsed.
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391
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392 class user_fcn_stack_frame : public base_value_stack_frame
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393 {
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394 public:
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395
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396 user_fcn_stack_frame (void) = delete;
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397
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398 user_fcn_stack_frame (tree_evaluator& tw, octave_user_function *fcn,
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399 std::size_t index,
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400 const std::shared_ptr<stack_frame>& parent_link,
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401 const std::shared_ptr<stack_frame>& static_link,
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402 const std::shared_ptr<stack_frame>& access_link = std::shared_ptr<stack_frame> ())
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403 : base_value_stack_frame (tw, get_num_symbols (fcn), index,
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404 parent_link, static_link,
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405 (access_link
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406 ? access_link
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407 : get_access_link (fcn, static_link))),
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408 m_fcn (fcn), m_unwind_protect_frame (nullptr)
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409 { }
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410
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411 user_fcn_stack_frame (tree_evaluator& tw, octave_user_function *fcn,
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412 std::size_t index,
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413 const std::shared_ptr<stack_frame>& parent_link,
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414 const std::shared_ptr<stack_frame>& static_link,
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415 const local_vars_map& local_vars,
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416 const std::shared_ptr<stack_frame>& access_link = std::shared_ptr<stack_frame> ())
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417 : base_value_stack_frame (tw, get_num_symbols (fcn), index,
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418 parent_link, static_link,
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419 (access_link
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420 ? access_link
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421 : get_access_link (fcn, static_link))),
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422 m_fcn (fcn), m_unwind_protect_frame (nullptr)
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423 {
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424 // Initialize local variable values.
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425
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426 for (const auto& nm_ov : local_vars)
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427 assign (nm_ov.first, nm_ov.second);
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428 }
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429
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430 user_fcn_stack_frame (const user_fcn_stack_frame& elt) = default;
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431
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432 user_fcn_stack_frame&
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433 operator = (const user_fcn_stack_frame& elt) = delete;
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434
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435 ~user_fcn_stack_frame (void)
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436 {
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437 delete m_unwind_protect_frame;
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438 }
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439
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440 bool is_user_fcn_frame (void) const { return true; }
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441
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442 static std::shared_ptr<stack_frame>
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443 get_access_link (octave_user_function *fcn,
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444 const std::shared_ptr<stack_frame>& static_link);
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445
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446 static std::size_t get_num_symbols (octave_user_function *fcn)
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447 {
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448 symbol_scope fcn_scope = fcn->scope ();
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449
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450 return fcn_scope.num_symbols ();
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451 }
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452
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453 void clear_values (void);
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454
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455 symbol_scope get_scope (void) const { return m_fcn->scope (); }
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456
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457 octave_function * function (void) const { return m_fcn; }
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458
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459 unwind_protect * unwind_protect_frame (void);
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460
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461 symbol_record lookup_symbol (const std::string& name) const;
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462
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463 symbol_record insert_symbol (const std::string&);
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464
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465 scope_flags scope_flag (const symbol_record& sym) const;
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466
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467 // We only need to override one of each of these functions. The
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468 // using declaration will avoid warnings about partially-overloaded
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469 // virtual functions.
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470 using base_value_stack_frame::varval;
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471 using base_value_stack_frame::varref;
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472
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473 octave_value varval (const symbol_record& sym) const;
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474
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475 octave_value& varref (const symbol_record& sym);
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476
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477 void mark_scope (const symbol_record& sym, scope_flags flag);
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478
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479 void display (bool follow = true) const;
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480
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481 void accept (stack_frame_walker& sfw);
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482
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483 void break_closure_cycles (const std::shared_ptr<stack_frame>& frame);
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484
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485 private:
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486
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487 // User-defined object associated with this stack frame. Should
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488 // always be valid.
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489 octave_user_function *m_fcn;
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490
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491 // The nearest unwind protect frame that was active when this
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492 // stack frame was created. Should always be valid.
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493 unwind_protect *m_unwind_protect_frame;
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494 };
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495
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496 // Pure scope stack frames (primarily the top-level workspace) have
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497 // a set of variables and values are stored in the stack frame. All
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498 // variable accesses are direct as there are no parent stack frames.
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499 //
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500 // Value offsets are determined when the corresponding variable is
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501 // entered into the symbol_scope object corresponding to the frame.
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502
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503 class scope_stack_frame : public base_value_stack_frame
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504 {
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505 public:
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506
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507 scope_stack_frame (void) = delete;
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508
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509 scope_stack_frame (tree_evaluator& tw, const symbol_scope& scope,
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510 std::size_t index,
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511 const std::shared_ptr<stack_frame>& parent_link,
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512 const std::shared_ptr<stack_frame>& static_link)
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513 : base_value_stack_frame (tw, scope.num_symbols (), index,
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514 parent_link, static_link, nullptr),
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515 m_scope (scope)
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516 { }
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517
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518 scope_stack_frame (const scope_stack_frame& elt) = default;
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519
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520 scope_stack_frame& operator = (const scope_stack_frame& elt) = delete;
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521
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522 ~scope_stack_frame (void) = default;
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523
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524 bool is_scope_frame (void) const { return true; }
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525
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526 symbol_scope get_scope (void) const { return m_scope; }
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527
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528 symbol_record lookup_symbol (const std::string& name) const
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529 {
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530 return m_scope.lookup_symbol (name);
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531 }
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532
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533 symbol_record insert_symbol (const std::string&);
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534
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535 scope_flags scope_flag (const symbol_record& sym) const;
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536
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537 // We only need to override one of each of these functions. The
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538 // using declaration will avoid warnings about partially-overloaded
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539 // virtual functions.
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diff changeset
540 using base_value_stack_frame::varval;
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541 using base_value_stack_frame::varref;
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542
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543 octave_value varval (const symbol_record& sym) const;
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544
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545 octave_value& varref (const symbol_record& sym);
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546
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547 void mark_scope (const symbol_record& sym, scope_flags flag);
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548
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549 void display (bool follow = true) const;
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550
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551 void accept (stack_frame_walker& sfw);
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552
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553 private:
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554
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555 // The scope object associated with this stack frame.
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556 symbol_scope m_scope;
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557 };
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558
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559 // FIXME: There should probably be a display method for the script,
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560 // fcn, and scope objects and the script and function objects should
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561 // be responsible for displaying the scopes they contain.
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562
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563 static void display_scope (std::ostream& os, const symbol_scope& scope)
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564 {
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565 if (scope)
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566 {
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567 os << "scope: " << scope.name () << std::endl;
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568
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569 if (scope.num_symbols () > 0)
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570 {
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571 os << "name (frame offset, data offset, storage class):"
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572 << std::endl;
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573
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574 std::list<symbol_record> symbols = scope.symbol_list ();
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575
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576 for (auto& sym : symbols)
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577 {
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578 os << " " << sym.name () << " (" << sym.frame_offset ()
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579 << ", " << sym.data_offset () << ", " << sym.storage_class ()
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580 << ")" << std::endl;
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581 }
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582 }
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583 }
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584 }
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585
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586 class stack_frame_walker
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587 {
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588 protected:
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589
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590 stack_frame_walker (void) { }
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591
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592 virtual ~stack_frame_walker (void) = default;
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593
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594 public:
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595
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596 // No copying!
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597
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598 stack_frame_walker (const stack_frame_walker&) = delete;
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599
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600 stack_frame_walker& operator = (const stack_frame_walker&) = delete;
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601
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602 virtual void
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603 visit_compiled_fcn_stack_frame (compiled_fcn_stack_frame&) = 0;
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604
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605 virtual void
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606 visit_script_stack_frame (script_stack_frame&) = 0;
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607
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608 virtual void
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609 visit_user_fcn_stack_frame (user_fcn_stack_frame&) = 0;
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610
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611 virtual void
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612 visit_scope_stack_frame (scope_stack_frame&) = 0;
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613 };
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614
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615 class symbol_cleaner : public stack_frame_walker
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616 {
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617 public:
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618
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619 symbol_cleaner (const std::string& pattern, bool have_regexp = false)
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620 : stack_frame_walker (), m_patterns (pattern),
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621 m_clear_all_names (false), m_clear_objects (false),
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622 m_have_regexp (have_regexp), m_cleared_names ()
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623 { }
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624
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625 symbol_cleaner (const string_vector& patterns, bool have_regexp = false)
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626 : stack_frame_walker (), m_patterns (patterns),
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627 m_clear_all_names (false), m_clear_objects (false),
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628 m_have_regexp (have_regexp), m_cleared_names ()
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629 { }
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630
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631 symbol_cleaner (bool clear_all_names = true, bool clear_objects = false)
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632 : stack_frame_walker (), m_patterns (),
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633 m_clear_all_names (clear_all_names), m_clear_objects (clear_objects),
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634 m_have_regexp (false), m_cleared_names ()
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635 { }
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636
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637 symbol_cleaner (const symbol_cleaner&) = delete;
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638
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639 symbol_cleaner& operator = (const symbol_cleaner&) = delete;
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640
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641 ~symbol_cleaner (void) = default;
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642
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643 void visit_compiled_fcn_stack_frame (compiled_fcn_stack_frame& frame)
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644 {
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645 // This one follows static link always. Hmm, should the access
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646 // link for a compiled_fcn_stack_frame be the same as the static
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647 // link?
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648
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649 std::shared_ptr<stack_frame> slink = frame.static_link ();
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650
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651 if (slink)
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652 slink->accept (*this);
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653 }
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654
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655 void visit_script_stack_frame (script_stack_frame& frame)
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656 {
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657 std::shared_ptr<stack_frame> alink = frame.access_link ();
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658
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659 if (alink)
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660 alink->accept (*this);
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661 }
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662
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663 void visit_user_fcn_stack_frame (user_fcn_stack_frame& frame)
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664 {
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665 clean_frame (frame);
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666
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667 std::shared_ptr<stack_frame> alink = frame.access_link ();
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668
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parents:
diff changeset
669 if (alink)
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670 alink->accept (*this);
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671 }
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672
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673 void visit_scope_stack_frame (scope_stack_frame& frame)
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674 {
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675 clean_frame (frame);
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676
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677 std::shared_ptr<stack_frame> alink = frame.access_link ();
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678
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
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diff changeset
679 if (alink)
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680 alink->accept (*this);
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681 }
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682
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683 private:
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684
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diff changeset
685 void maybe_clear_symbol (stack_frame& frame, const symbol_record& sym)
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parents:
diff changeset
686 {
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parents:
diff changeset
687 std::string name = sym.name ();
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parents:
diff changeset
688
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parents:
diff changeset
689 if (m_cleared_names.find (name) == m_cleared_names.end ())
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parents:
diff changeset
690 {
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parents:
diff changeset
691 // FIXME: Should we check that the name is defined and skip if
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
692 // it is not? Is it possible for another symbol with the same
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
693 // name to appear in a later stack frame?
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
694
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
695 // FIXME: If we are clearing objects and a symbol is found,
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
696 // should we add it to the list of cleared names (since
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
697 // we did find a symbol) but skip clearing the object?
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
698
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
699 if (m_clear_objects && ! frame.is_object (sym))
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
700 return;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
701
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
702 m_cleared_names.insert (name);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
703
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
704 frame.clear (sym);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
705 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
706 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
707
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
708 // FIXME: It would be nice to avoid the duplication in the following
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
709 // function.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
710
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
711 void clear_symbols (stack_frame& frame,
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
712 const std::list<symbol_record>& symbols)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
713 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
714 if (m_clear_all_names)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
715 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
716 for (const auto& sym : symbols)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
717 maybe_clear_symbol (frame, sym);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
718 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
719 else if (m_have_regexp)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
720 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
721 octave_idx_type npatterns = m_patterns.numel ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
722
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
723 for (octave_idx_type j = 0; j < npatterns; j++)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
724 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
725 std::string pattern = m_patterns[j];
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
726
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
727 regexp pat (pattern);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
728
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
729 for (const auto& sym : symbols)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
730 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
731 if (pat.is_match (sym.name ()))
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
732 maybe_clear_symbol (frame, sym);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
733 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
734 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
735 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
736 else
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
737 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
738 octave_idx_type npatterns = m_patterns.numel ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
739
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
740 for (octave_idx_type j = 0; j < npatterns; j++)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
741 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
742 std::string pattern = m_patterns[j];
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
743
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
744 glob_match pat (pattern);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
745
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
746 for (const auto& sym : symbols)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
747 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
748 if (pat.match (sym.name ()))
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
749 maybe_clear_symbol (frame, sym);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
750 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
751 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
752 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
753 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
754
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
755 void clean_frame (stack_frame& frame)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
756 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
757 symbol_scope scope = frame.get_scope ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
758
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
759 std::list<symbol_record> symbols = scope.symbol_list ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
760
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
761 if (m_clear_all_names || ! m_patterns.empty ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
762 clear_symbols (frame, symbols);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
763 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
764
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
765 string_vector m_patterns;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
766
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
767 bool m_clear_all_names;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
768 bool m_clear_objects;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
769 bool m_have_regexp;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
770
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
771 std::set<std::string> m_cleared_names;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
772 };
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
773
28425
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
774 class symbol_info_accumulator : public stack_frame_walker
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
775 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
776 public:
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
777
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
778 symbol_info_accumulator (const std::string& pattern,
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
779 bool have_regexp = false)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
780 : stack_frame_walker (), m_patterns (pattern), m_match_all (false),
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
781 m_first_only (false), m_have_regexp (have_regexp), m_sym_inf_list (),
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
782 m_found_names ()
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
783 { }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
784
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
785 symbol_info_accumulator (const string_vector& patterns,
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
786 bool have_regexp = false)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
787 : stack_frame_walker (), m_patterns (patterns), m_match_all (false),
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
788 m_first_only (false), m_have_regexp (have_regexp), m_sym_inf_list (),
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
789 m_found_names ()
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
790 { }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
791
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
792 symbol_info_accumulator (bool match_all = true, bool first_only = true)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
793 : stack_frame_walker (), m_patterns (), m_match_all (match_all),
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
794 m_first_only (first_only), m_have_regexp (false),
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
795 m_sym_inf_list (), m_found_names ()
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
796 { }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
797
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
798 symbol_info_accumulator (const symbol_info_accumulator&) = delete;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
799
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
800 symbol_info_accumulator& operator = (const symbol_info_accumulator&) = delete;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
801
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
802 ~symbol_info_accumulator (void) = default;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
803
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
804 bool is_empty (void) const
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
805 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
806 for (const auto& nm_sil : m_sym_inf_list)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
807 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
808 const symbol_info_list& lst = nm_sil.second;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
809
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
810 if (! lst.empty ())
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
811 return false;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
812 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
813
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
814 return true;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
815 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
816
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
817 std::list<std::string> names (void) const
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
818 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
819 std::list<std::string> retval;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
820
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
821 for (const auto& nm_sil : m_sym_inf_list)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
822 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
823 const symbol_info_list& lst = nm_sil.second;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
824
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
825 std::list<std::string> nm_list = lst.names ();
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
826
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
827 for (const auto& nm : nm_list)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
828 retval.push_back (nm);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
829 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
830
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
831 return retval;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
832 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
833
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
834 symbol_info_list symbol_info (void) const
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parents: 28329
diff changeset
835 {
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parents: 28329
diff changeset
836 symbol_info_list retval;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
837
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
838 for (const auto& nm_sil : m_sym_inf_list)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
839 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
840 const symbol_info_list& lst = nm_sil.second;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
841
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
842 for (const auto& syminf : lst)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
843 retval.push_back (syminf);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
844 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
845
a5be4fc661d6 hide specific stack frame and stack frame walker classes
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parents: 28329
diff changeset
846 return retval;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
847 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
848
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
849 octave_map map_value (void) const
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
850 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
851 octave_map retval;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
852
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
853 // FIXME: is there a better way to concatenate structures?
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
854
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
855 std::size_t n_frames = m_sym_inf_list.size ();
28425
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diff changeset
856
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
857 OCTAVE_LOCAL_BUFFER (octave_map, map_list, n_frames);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
858
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
859 std::size_t j = 0;
28425
a5be4fc661d6 hide specific stack frame and stack frame walker classes
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diff changeset
860 for (const auto& nm_sil : m_sym_inf_list)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
861 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
862 std::string scope_name = nm_sil.first;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
863 const symbol_info_list& lst = nm_sil.second;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
864
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
865 map_list[j] = lst.map_value (scope_name, n_frames-j);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
866
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
867 j++;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
868 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
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parents: 28329
diff changeset
869
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
870 return octave_map::cat (-1, n_frames, map_list);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
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parents: 28329
diff changeset
871 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
872
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
873 void display (std::ostream& os, const std::string& format) const
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
874 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
875 for (const auto& nm_sil : m_sym_inf_list)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
876 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
877 os << "\nvariables in scope: " << nm_sil.first << "\n\n";
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
878
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
879 const symbol_info_list& lst = nm_sil.second;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
880
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
881 lst.display (os, format);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
882 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
883 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
884
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
885 void visit_compiled_fcn_stack_frame (compiled_fcn_stack_frame& frame)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
886 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
887 // This one follows static link always. Hmm, should the access
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
888 // link for a compiled_fcn_stack_frame be the same as the static
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
889 // link?
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
890
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
891 std::shared_ptr<stack_frame> slink = frame.static_link ();
28425
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
892
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
893 if (slink)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
894 slink->accept (*this);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
895 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
896
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
897 void visit_script_stack_frame (script_stack_frame& frame)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
898 {
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
899 std::shared_ptr<stack_frame> alink = frame.access_link ();
28425
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
900
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
901 if (alink)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
902 alink->accept (*this);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
903 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
904
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
905 void visit_user_fcn_stack_frame (user_fcn_stack_frame& frame)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
906 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
907 append_list (frame);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
908
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
909 std::shared_ptr<stack_frame> alink = frame.access_link ();
28425
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
910
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
911 if (alink)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
912 alink->accept (*this);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
913 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
914
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
915 void visit_scope_stack_frame (scope_stack_frame& frame)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
916 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
917 append_list (frame);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
918
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
919 std::shared_ptr<stack_frame> alink = frame.access_link ();
28425
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
920
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
921 if (alink)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
922 alink->accept (*this);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
923 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
924
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
925 private:
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
926
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
927 typedef std::pair<std::string, symbol_info_list> syminf_list_elt;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
928
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
929 // FIXME: the following is too complex and duplicates too much
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
930 // code. Maybe it should be split up so we have separate classes
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
931 // that do each job that is needed?
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
932
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
933 std::list<symbol_record>
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
934 filter (stack_frame& frame, const std::list<symbol_record>& symbols)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
935 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
936 std::list<symbol_record> new_symbols;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
937
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
938 if (m_match_all)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
939 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
940 for (const auto& sym : symbols)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
941 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
942 if (frame.is_defined (sym))
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
943 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
944 std::string name = sym.name ();
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
945
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
946 if (m_first_only
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
947 && m_found_names.find (name) != m_found_names.end ())
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
948 continue;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
949
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
950 m_found_names.insert (name);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
951
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
952 new_symbols.push_back (sym);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
953 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
954 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
955 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
956 else if (m_have_regexp)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
957 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
958 octave_idx_type npatterns = m_patterns.numel ();
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
959
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
960 for (octave_idx_type j = 0; j < npatterns; j++)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
961 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
962 std::string pattern = m_patterns[j];
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
963
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
964 regexp pat (pattern);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
965
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
966 for (const auto& sym : symbols)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
967 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
968 std::string name = sym.name ();
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
969
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
970 if (pat.is_match (name) && frame.is_defined (sym))
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
971 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
972 if (m_first_only
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
973 && m_found_names.find (name) != m_found_names.end ())
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
974 continue;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
975
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
976 m_found_names.insert (name);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
977
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
978 new_symbols.push_back (sym);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
979 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
980 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
981 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
982 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
983 else
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
984 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
985 octave_idx_type npatterns = m_patterns.numel ();
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
986
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
987 for (octave_idx_type j = 0; j < npatterns; j++)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
988 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
989 std::string pattern = m_patterns[j];
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
990
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
991 glob_match pat (pattern);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
992
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
993 for (const auto& sym : symbols)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
994 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
995 std::string name = sym.name ();
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
996
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
997 if (pat.match (name) && frame.is_defined (sym))
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
998 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
999 if (m_first_only
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1000 && m_found_names.find (name) == m_found_names.end ())
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1001 continue;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1002
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1003 m_found_names.insert (name);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1004
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1005 new_symbols.push_back (sym);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1006 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1007 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1008 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1009 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1010
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1011 return new_symbols;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1012 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1013
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1014 void append_list (stack_frame& frame)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1015 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1016 symbol_scope scope = frame.get_scope ();
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1017
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1018 std::list<symbol_record> symbols = scope.symbol_list ();
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1019
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1020 if (m_match_all || ! m_patterns.empty ())
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1021 symbols = filter (frame, symbols);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1022
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1023 symbol_info_list syminf_list = frame.make_symbol_info_list (symbols);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1024
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1025 m_sym_inf_list.push_back (syminf_list_elt (scope.name (), syminf_list));
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1026 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1027
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1028 string_vector m_patterns;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1029
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1030 bool m_match_all;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1031 bool m_first_only;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1032 bool m_have_regexp;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1033
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1034 std::list<std::pair<std::string, symbol_info_list>> m_sym_inf_list;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1035
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1036 std::set<std::string> m_found_names;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1037 };
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1038
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1039 stack_frame * stack_frame::create (tree_evaluator& tw, octave_function *fcn,
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1040 std::size_t index,
28793
c5953e65c6aa track direct caller in stack frames
John W. Eaton <jwe@octave.org>
parents: 28538
diff changeset
1041 const std::shared_ptr<stack_frame>& parent_link,
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1042 const std::shared_ptr<stack_frame>& static_link)
28425
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1043 {
30346
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
Rik <rik@octave.org>
parents: 30200
diff changeset
1044 return new compiled_fcn_stack_frame (tw, fcn, index,
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
Rik <rik@octave.org>
parents: 30200
diff changeset
1045 parent_link, static_link);
28425
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1046 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1047
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1048 stack_frame * stack_frame::create (tree_evaluator& tw,
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1049 octave_user_script *script,
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1050 std::size_t index,
28793
c5953e65c6aa track direct caller in stack frames
John W. Eaton <jwe@octave.org>
parents: 28538
diff changeset
1051 const std::shared_ptr<stack_frame>& parent_link,
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1052 const std::shared_ptr<stack_frame>& static_link)
28425
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1053 {
28793
c5953e65c6aa track direct caller in stack frames
John W. Eaton <jwe@octave.org>
parents: 28538
diff changeset
1054 return new script_stack_frame (tw, script, index, parent_link, static_link);
28425
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1055 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1056
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1057 stack_frame * stack_frame::create (tree_evaluator& tw,
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1058 octave_user_function *fcn, std::size_t index,
28793
c5953e65c6aa track direct caller in stack frames
John W. Eaton <jwe@octave.org>
parents: 28538
diff changeset
1059 const std::shared_ptr<stack_frame>& parent_link,
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1060 const std::shared_ptr<stack_frame>& static_link,
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1061 const std::shared_ptr<stack_frame>& access_link)
28425
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1062 {
30346
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
Rik <rik@octave.org>
parents: 30200
diff changeset
1063 return new user_fcn_stack_frame (tw, fcn, index,
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
Rik <rik@octave.org>
parents: 30200
diff changeset
1064 parent_link, static_link, access_link);
28425
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1065 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1066
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1067 stack_frame * stack_frame::create (tree_evaluator& tw,
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1068 octave_user_function *fcn, std::size_t index,
28793
c5953e65c6aa track direct caller in stack frames
John W. Eaton <jwe@octave.org>
parents: 28538
diff changeset
1069 const std::shared_ptr<stack_frame>& parent_link,
28430
5bfa8e018704 store local init vars for anonymous functions in handle, not function object
John W. Eaton <jwe@octave.org>
parents: 28429
diff changeset
1070 const std::shared_ptr<stack_frame>& static_link,
29477
34d06c73b48d hold references to closure frames in anon functions if needed (bug #60237)
John W. Eaton <jwe@octave.org>
parents: 29476
diff changeset
1071 const local_vars_map& local_vars,
34d06c73b48d hold references to closure frames in anon functions if needed (bug #60237)
John W. Eaton <jwe@octave.org>
parents: 29476
diff changeset
1072 const std::shared_ptr<stack_frame>& access_link)
28430
5bfa8e018704 store local init vars for anonymous functions in handle, not function object
John W. Eaton <jwe@octave.org>
parents: 28429
diff changeset
1073 {
30346
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
Rik <rik@octave.org>
parents: 30200
diff changeset
1074 return new user_fcn_stack_frame (tw, fcn, index,
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
Rik <rik@octave.org>
parents: 30200
diff changeset
1075 parent_link, static_link, local_vars,
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
Rik <rik@octave.org>
parents: 30200
diff changeset
1076 access_link);
28430
5bfa8e018704 store local init vars for anonymous functions in handle, not function object
John W. Eaton <jwe@octave.org>
parents: 28429
diff changeset
1077 }
5bfa8e018704 store local init vars for anonymous functions in handle, not function object
John W. Eaton <jwe@octave.org>
parents: 28429
diff changeset
1078
5bfa8e018704 store local init vars for anonymous functions in handle, not function object
John W. Eaton <jwe@octave.org>
parents: 28429
diff changeset
1079 stack_frame * stack_frame::create (tree_evaluator& tw,
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1080 const symbol_scope& scope, std::size_t index,
28793
c5953e65c6aa track direct caller in stack frames
John W. Eaton <jwe@octave.org>
parents: 28538
diff changeset
1081 const std::shared_ptr<stack_frame>& parent_link,
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1082 const std::shared_ptr<stack_frame>& static_link)
28425
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1083 {
28793
c5953e65c6aa track direct caller in stack frames
John W. Eaton <jwe@octave.org>
parents: 28538
diff changeset
1084 return new scope_stack_frame (tw, scope, index, parent_link, static_link);
28425
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1085 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1086
29064
336356206de7 don't clear stack frame values indirectly through call stack (bug #59432)
John W. Eaton <jwe@octave.org>
parents: 28793
diff changeset
1087 // This function is only implemented and should only be called for
336356206de7 don't clear stack frame values indirectly through call stack (bug #59432)
John W. Eaton <jwe@octave.org>
parents: 28793
diff changeset
1088 // user_fcn stack frames. Anything else indicates an error in the
336356206de7 don't clear stack frame values indirectly through call stack (bug #59432)
John W. Eaton <jwe@octave.org>
parents: 28793
diff changeset
1089 // implementation, but we'll simply warn if that happens.
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1090
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1091 void stack_frame::clear_values (void)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1092 {
29064
336356206de7 don't clear stack frame values indirectly through call stack (bug #59432)
John W. Eaton <jwe@octave.org>
parents: 28793
diff changeset
1093 warning ("invalid call to stack_frame::clear_values; please report");
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1094 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1095
28329
6349915869f2 move function definition from header to source file
John W. Eaton <jwe@octave.org>
parents: 28328
diff changeset
1096 symbol_info_list
6349915869f2 move function definition from header to source file
John W. Eaton <jwe@octave.org>
parents: 28328
diff changeset
1097 stack_frame::make_symbol_info_list (const std::list<symbol_record>& symrec_list) const
6349915869f2 move function definition from header to source file
John W. Eaton <jwe@octave.org>
parents: 28328
diff changeset
1098 {
6349915869f2 move function definition from header to source file
John W. Eaton <jwe@octave.org>
parents: 28328
diff changeset
1099 symbol_info_list symbol_stats;
6349915869f2 move function definition from header to source file
John W. Eaton <jwe@octave.org>
parents: 28328
diff changeset
1100
6349915869f2 move function definition from header to source file
John W. Eaton <jwe@octave.org>
parents: 28328
diff changeset
1101 for (const auto& sym : symrec_list)
6349915869f2 move function definition from header to source file
John W. Eaton <jwe@octave.org>
parents: 28328
diff changeset
1102 {
6349915869f2 move function definition from header to source file
John W. Eaton <jwe@octave.org>
parents: 28328
diff changeset
1103 octave_value value = varval (sym);
6349915869f2 move function definition from header to source file
John W. Eaton <jwe@octave.org>
parents: 28328
diff changeset
1104
29854
2bb72743d3eb who() should not display duplicate named variables from different scopes (bug #60845).
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
1105 if (! value.is_defined ()
2bb72743d3eb who() should not display duplicate named variables from different scopes (bug #60845).
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
1106 || (is_user_fcn_frame () && sym.frame_offset () > 0))
2bb72743d3eb who() should not display duplicate named variables from different scopes (bug #60845).
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
1107 continue;
2bb72743d3eb who() should not display duplicate named variables from different scopes (bug #60845).
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
1108
2bb72743d3eb who() should not display duplicate named variables from different scopes (bug #60845).
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
1109 symbol_info syminf (sym.name (), value, sym.is_formal (),
2bb72743d3eb who() should not display duplicate named variables from different scopes (bug #60845).
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
1110 is_global (sym), is_persistent (sym));
2bb72743d3eb who() should not display duplicate named variables from different scopes (bug #60845).
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
1111
2bb72743d3eb who() should not display duplicate named variables from different scopes (bug #60845).
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
1112 symbol_stats.append (syminf);
28329
6349915869f2 move function definition from header to source file
John W. Eaton <jwe@octave.org>
parents: 28328
diff changeset
1113 }
6349915869f2 move function definition from header to source file
John W. Eaton <jwe@octave.org>
parents: 28328
diff changeset
1114
6349915869f2 move function definition from header to source file
John W. Eaton <jwe@octave.org>
parents: 28328
diff changeset
1115 return symbol_stats;
6349915869f2 move function definition from header to source file
John W. Eaton <jwe@octave.org>
parents: 28328
diff changeset
1116 }
6349915869f2 move function definition from header to source file
John W. Eaton <jwe@octave.org>
parents: 28328
diff changeset
1117
28425
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1118 octave_value stack_frame::who (const string_vector& patterns,
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1119 bool have_regexp, bool return_list,
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1120 bool verbose, const std::string& whos_line_fmt,
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1121 const std::string& msg)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1122 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1123 symbol_info_accumulator sym_inf_accum (patterns, have_regexp);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1124
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1125 accept (sym_inf_accum);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1126
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1127 if (return_list)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1128 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1129 if (verbose)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1130 return sym_inf_accum.map_value ();
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1131 else
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1132 return Cell (string_vector (sym_inf_accum.names ()));
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1133 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1134 else if (! sym_inf_accum.is_empty ())
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1135 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1136
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1137 if (msg.empty ())
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1138 octave_stdout << "Variables visible from the current scope:\n";
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1139 else
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1140 octave_stdout << msg;
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1141
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1142 if (verbose)
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1143 sym_inf_accum.display (octave_stdout, whos_line_fmt);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1144 else
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1145 {
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1146 octave_stdout << "\n";
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1147 string_vector names (sym_inf_accum.names ());
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1148 names.list_in_columns (octave_stdout);
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1149 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1150
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1151 octave_stdout << "\n";
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1152 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1153
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1154 return octave_value ();
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1155 }
a5be4fc661d6 hide specific stack frame and stack frame walker classes
John W. Eaton <jwe@octave.org>
parents: 28329
diff changeset
1156
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1157 // Return first occurrence of variables in current stack frame and any
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1158 // parent frames reachable through access links.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1159
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1160 symbol_info_list stack_frame::all_variables (void)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1161 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1162 symbol_info_accumulator sia (true, true);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1163
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1164 accept (sia);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1165
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1166 return sia.symbol_info ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1167 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1168
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1169 octave_value stack_frame::workspace (void)
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1170 {
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1171 std::list<octave_scalar_map> ws_list;
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1172
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1173 stack_frame *frame = this;
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1174
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1175 while (frame)
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1176 {
28857
43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier
John W. Eaton <jwe@octave.org>
parents: 28793
diff changeset
1177 symbol_info_list symbols = frame->all_variables ();
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1178
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1179 octave_scalar_map ws;
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1180
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1181 for (const auto& sym_name : symbols.names ())
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1182 {
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1183 octave_value val = symbols.varval (sym_name);
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1184
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1185 if (val.is_defined ())
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1186 ws.assign (sym_name, val);
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1187 }
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1188
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1189 ws_list.push_back (ws);
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1190
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1191 std::shared_ptr<stack_frame> nxt = frame->access_link ();
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1192 frame = nxt.get ();
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1193 }
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1194
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1195 Cell ws_frames (ws_list.size (), 1);
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1196
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1197 octave_idx_type i = 0;
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1198 for (const auto& elt : ws_list)
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1199 ws_frames(i++) = elt;
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1200
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1201 return ws_frames;
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1202 }
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1203
28327
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1204 // FIXME: Should this function also find any variables in parent
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1205 // scopes accessible through access_links?
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1206
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1207 std::list<std::string> stack_frame::variable_names (void) const
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1208 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1209 std::list<std::string> retval;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1210
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1211 symbol_scope scope = get_scope ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1212
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1213 const std::map<std::string, symbol_record>& symbols = scope.symbols ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1214
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1215 for (const auto& nm_sr : symbols)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1216 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1217 if (is_variable (nm_sr.second))
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1218 retval.push_back (nm_sr.first);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1219 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1220
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1221 retval.sort ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1222
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1223 return retval;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1224 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1225
28327
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1226 symbol_info_list stack_frame::glob_symbol_info (const std::string& pattern)
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1227 {
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1228 symbol_info_accumulator sia (pattern, false);
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1229
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1230 accept (sia);
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1231
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1232 return sia.symbol_info ();
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1233 }
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1234
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1235 symbol_info_list stack_frame::regexp_symbol_info (const std::string& pattern)
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1236 {
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1237 symbol_info_accumulator sia (pattern, true);
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1238
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1239 accept (sia);
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1240
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1241 return sia.symbol_info ();
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1242 }
8db2d4c9a64f correctly find all symbols in script when saving values (bug #58382)
John W. Eaton <jwe@octave.org>
parents: 27932
diff changeset
1243
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1244 std::size_t stack_frame::size (void) const
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1245 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1246 // This function should only be called for user_fcn_stack_frame or
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1247 // scope_stack_frame objects. Anything else indicates an error in
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1248 // the implementation.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1249
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1250 panic_impossible ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1251 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1252
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1253 void stack_frame::resize (std::size_t)
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1254 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1255 // This function should only be called for user_fcn_stack_frame or
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1256 // scope_stack_frame objects. Anything else indicates an error in
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1257 // the implementation.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1258
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1259 panic_impossible ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1260 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1261
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1262 stack_frame::scope_flags stack_frame::get_scope_flag (std::size_t) const
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1263 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1264 // This function should only be called for user_fcn_stack_frame or
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1265 // scope_stack_frame objects. Anything else indicates an error in
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1266 // the implementation.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1267
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1268 panic_impossible ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1269 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1270
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1271 void stack_frame::set_scope_flag (std::size_t, scope_flags)
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1272 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1273 // This function should only be called for user_fcn_stack_frame or
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1274 // scope_stack_frame objects. Anything else indicates an error in
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1275 // the implementation.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1276
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1277 panic_impossible ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1278 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1279
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1280 void stack_frame::install_variable (const symbol_record& sym,
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1281 const octave_value& value, bool global)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1282 {
26673
4271b53b24a6 when installing global variable don't warn if it is already global
John W. Eaton <jwe@octave.org>
parents: 26663
diff changeset
1283 if (global && ! is_global (sym))
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1284 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1285 octave_value val = varval (sym);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1286
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1287 if (val.is_defined ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1288 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1289 std::string nm = sym.name ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1290
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1291 warning_with_id ("Octave:global-local-conflict",
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1292 "global: '%s' is defined in the current scope.\n",
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1293 nm.c_str ());
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1294 warning_with_id ("Octave:global-local-conflict",
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1295 "global: in a future version, global variables must be declared before use.\n");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1296
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1297 // If the symbol is defined in the local but not the
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1298 // global scope, then use the local value as the
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1299 // initial value. This value will also override any
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1300 // initializer in the global statement.
27211
8c27802a76c4 store reference to evaluator instead of call stack in stack frame
John W. Eaton <jwe@octave.org>
parents: 27149
diff changeset
1301 octave_value global_val = m_evaluator.global_varval (nm);
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1302
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1303 if (global_val.is_defined ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1304 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1305 warning_with_id ("Octave:global-local-conflict",
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1306 "global: global value overrides existing local value");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1307
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1308 clear (sym);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1309 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1310 else
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1311 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1312 warning_with_id ("Octave:global-local-conflict",
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1313 "global: existing local value used to initialize global variable");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1314
27211
8c27802a76c4 store reference to evaluator instead of call stack in stack frame
John W. Eaton <jwe@octave.org>
parents: 27149
diff changeset
1315 m_evaluator.global_varref (nm) = val;
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1316 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1317 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1318
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1319 mark_global (sym);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1320 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1321
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1322 if (value.is_defined ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1323 assign (sym, value);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1324 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1325
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1326 octave_value stack_frame::varval (std::size_t) const
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1327 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1328 // This function should only be called for user_fcn_stack_frame or
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1329 // scope_stack_frame objects. Anything else indicates an error in
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1330 // the implementation.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1331
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1332 panic_impossible ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1333 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1334
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1335 octave_value& stack_frame::varref (std::size_t)
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1336 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1337 // This function should only be called for user_fcn_stack_frame or
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1338 // scope_stack_frame objects. Anything else indicates an error in
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1339 // the implementation.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1340
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1341 panic_impossible ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1342 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1343
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1344 void stack_frame::clear_objects (void)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1345 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1346 symbol_cleaner sc (true, true);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1347
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1348 accept (sc);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1349 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1350
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1351 void stack_frame::clear_variable (const std::string& name)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1352 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1353 symbol_cleaner sc (name);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1354
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1355 accept (sc);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1356 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1357
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1358 void stack_frame::clear_variable_pattern (const std::string& pattern)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1359 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1360 symbol_cleaner sc (pattern);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1361
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1362 accept (sc);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1363 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1364
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1365 void stack_frame::clear_variable_pattern (const string_vector& patterns)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1366 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1367 symbol_cleaner sc (patterns);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1368
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1369 accept (sc);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1370 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1371
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1372 void stack_frame::clear_variable_regexp (const std::string& pattern)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1373 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1374 symbol_cleaner sc (pattern, true);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1375
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1376 accept (sc);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1377 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1378
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1379 void stack_frame::clear_variable_regexp (const string_vector& patterns)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1380 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1381 symbol_cleaner sc (patterns, true);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1382
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1383 accept (sc);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1384 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1385
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1386 void stack_frame::clear_variables (void)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1387 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1388 symbol_cleaner sc;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1389
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1390 accept (sc);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1391 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1392
27037
8408acb7ca4f make dbup/dbdown work again (bug #56020)
John W. Eaton <jwe@octave.org>
parents: 26824
diff changeset
1393 void stack_frame::display_stopped_in_message (std::ostream& os) const
8408acb7ca4f make dbup/dbdown work again (bug #56020)
John W. Eaton <jwe@octave.org>
parents: 26824
diff changeset
1394 {
8408acb7ca4f make dbup/dbdown work again (bug #56020)
John W. Eaton <jwe@octave.org>
parents: 26824
diff changeset
1395 if (index () == 0)
8408acb7ca4f make dbup/dbdown work again (bug #56020)
John W. Eaton <jwe@octave.org>
parents: 26824
diff changeset
1396 os << "at top level" << std::endl;
8408acb7ca4f make dbup/dbdown work again (bug #56020)
John W. Eaton <jwe@octave.org>
parents: 26824
diff changeset
1397 else
8408acb7ca4f make dbup/dbdown work again (bug #56020)
John W. Eaton <jwe@octave.org>
parents: 26824
diff changeset
1398 {
8408acb7ca4f make dbup/dbdown work again (bug #56020)
John W. Eaton <jwe@octave.org>
parents: 26824
diff changeset
1399 os << "stopped in " << fcn_name ();
8408acb7ca4f make dbup/dbdown work again (bug #56020)
John W. Eaton <jwe@octave.org>
parents: 26824
diff changeset
1400
8408acb7ca4f make dbup/dbdown work again (bug #56020)
John W. Eaton <jwe@octave.org>
parents: 26824
diff changeset
1401 int l = line ();
8408acb7ca4f make dbup/dbdown work again (bug #56020)
John W. Eaton <jwe@octave.org>
parents: 26824
diff changeset
1402 if (l > 0)
8408acb7ca4f make dbup/dbdown work again (bug #56020)
John W. Eaton <jwe@octave.org>
parents: 26824
diff changeset
1403 os << " at line " << line ();
8408acb7ca4f make dbup/dbdown work again (bug #56020)
John W. Eaton <jwe@octave.org>
parents: 26824
diff changeset
1404
8408acb7ca4f make dbup/dbdown work again (bug #56020)
John W. Eaton <jwe@octave.org>
parents: 26824
diff changeset
1405 os << " [" << fcn_file_name () << "] " << std::endl;
8408acb7ca4f make dbup/dbdown work again (bug #56020)
John W. Eaton <jwe@octave.org>
parents: 26824
diff changeset
1406 }
8408acb7ca4f make dbup/dbdown work again (bug #56020)
John W. Eaton <jwe@octave.org>
parents: 26824
diff changeset
1407 }
8408acb7ca4f make dbup/dbdown work again (bug #56020)
John W. Eaton <jwe@octave.org>
parents: 26824
diff changeset
1408
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1409 void stack_frame::display (bool follow) const
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1410 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1411 std::ostream& os = octave_stdout;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1412
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1413 os << "-- [stack_frame] (" << this << ") --" << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1414
28793
c5953e65c6aa track direct caller in stack frames
John W. Eaton <jwe@octave.org>
parents: 28538
diff changeset
1415 os << "parent link: ";
c5953e65c6aa track direct caller in stack frames
John W. Eaton <jwe@octave.org>
parents: 28538
diff changeset
1416 if (m_parent_link)
c5953e65c6aa track direct caller in stack frames
John W. Eaton <jwe@octave.org>
parents: 28538
diff changeset
1417 os << m_parent_link.get ();
c5953e65c6aa track direct caller in stack frames
John W. Eaton <jwe@octave.org>
parents: 28538
diff changeset
1418 else
c5953e65c6aa track direct caller in stack frames
John W. Eaton <jwe@octave.org>
parents: 28538
diff changeset
1419 os << "NULL";
c5953e65c6aa track direct caller in stack frames
John W. Eaton <jwe@octave.org>
parents: 28538
diff changeset
1420 os << std::endl;
c5953e65c6aa track direct caller in stack frames
John W. Eaton <jwe@octave.org>
parents: 28538
diff changeset
1421
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1422 os << "static link: ";
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1423 if (m_static_link)
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1424 os << m_static_link.get ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1425 else
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1426 os << "NULL";
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1427 os << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1428
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1429 os << "access link: ";
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1430 if (m_access_link)
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1431 os << m_access_link.get ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1432 else
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1433 os << "NULL";
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1434 os << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1435
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1436 os << "line: " << m_line << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1437 os << "column: " << m_column << std::endl;
27037
8408acb7ca4f make dbup/dbdown work again (bug #56020)
John W. Eaton <jwe@octave.org>
parents: 26824
diff changeset
1438 os << "index: " << m_index << std::endl;
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1439
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1440 os << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1441
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1442 if (! follow)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1443 return;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1444
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1445 os << "FOLLOWING ACCESS LINKS:" << std::endl;
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1446 std::shared_ptr<stack_frame> frm = access_link ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1447 while (frm)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1448 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1449 frm->display (false);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1450 os << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1451
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1452 frm = frm->access_link ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1453 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1454 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1455
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1456 void compiled_fcn_stack_frame::display (bool follow) const
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1457 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1458 std::ostream& os = octave_stdout;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1459
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1460 os << "-- [compiled_fcn_stack_frame] (" << this << ") --" << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1461 stack_frame::display (follow);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1462
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1463 os << "fcn: " << m_fcn->name ()
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1464 << " (" << m_fcn->type_name () << ")" << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1465 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1466
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1467 void compiled_fcn_stack_frame::accept (stack_frame_walker& sfw)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1468 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1469 sfw.visit_compiled_fcn_stack_frame (*this);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1470 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1471
27211
8c27802a76c4 store reference to evaluator instead of call stack in stack frame
John W. Eaton <jwe@octave.org>
parents: 27149
diff changeset
1472 script_stack_frame::script_stack_frame (tree_evaluator& tw,
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1473 octave_user_script *script,
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1474 std::size_t index,
28793
c5953e65c6aa track direct caller in stack frames
John W. Eaton <jwe@octave.org>
parents: 28538
diff changeset
1475 const std::shared_ptr<stack_frame>& parent_link,
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1476 const std::shared_ptr<stack_frame>& static_link)
28793
c5953e65c6aa track direct caller in stack frames
John W. Eaton <jwe@octave.org>
parents: 28538
diff changeset
1477 : stack_frame (tw, index, parent_link, static_link,
c5953e65c6aa track direct caller in stack frames
John W. Eaton <jwe@octave.org>
parents: 28538
diff changeset
1478 get_access_link (static_link)),
28429
8eb8ba8aff9a refactor octave_function call method
John W. Eaton <jwe@octave.org>
parents: 28426
diff changeset
1479 m_script (script), m_unwind_protect_frame (nullptr),
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1480 m_lexical_frame_offsets (get_num_symbols (script), 1),
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1481 m_value_offsets (get_num_symbols (script), 0)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1482 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1483 set_script_offsets ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1484 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1485
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1486 std::size_t script_stack_frame::get_num_symbols (octave_user_script *script)
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1487 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1488 symbol_scope script_scope = script->scope ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1489
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1490 return script_scope.num_symbols ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1491 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1492
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1493 void script_stack_frame::set_script_offsets (void)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1494 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1495 // Set frame and data offsets inside stack frame based on enclosing
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1496 // scope(s).
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1497
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1498 symbol_scope script_scope = m_script->scope ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1499
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1500 std::size_t num_script_symbols = script_scope.num_symbols ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1501
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1502 resize (num_script_symbols);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1503
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1504 const std::map<std::string, symbol_record>& script_symbols
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1505 = script_scope.symbols ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1506
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1507 set_script_offsets_internal (script_symbols);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1508 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1509
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1510 void script_stack_frame::set_script_offsets_internal
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1511 (const std::map<std::string, symbol_record>& script_symbols)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1512 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1513 // This scope will be used to evaluate the script. Find (or
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1514 // possibly insert) symbols from the dummy script scope here.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1515
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1516 symbol_scope eval_scope = m_access_link->get_scope ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1517
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1518 if (eval_scope.is_nested ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1519 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1520 bool found = false;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1521
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1522 for (const auto& nm_sr : script_symbols)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1523 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1524 std::string name = nm_sr.first;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1525 symbol_record script_sr = nm_sr.second;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1526
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1527 symbol_scope parent_scope = eval_scope;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1528
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1529 std::size_t count = 1;
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1530
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1531 while (parent_scope)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1532 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1533 const std::map<std::string, symbol_record>& parent_scope_symbols
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1534 = parent_scope.symbols ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1535
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1536 auto p = parent_scope_symbols.find (name);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1537
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1538 if (p != parent_scope_symbols.end ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1539 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1540 found = true;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1541 symbol_record parent_scope_sr = p->second;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1542
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1543 std::size_t script_sr_data_offset = script_sr.data_offset ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1544
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1545 m_lexical_frame_offsets.at (script_sr_data_offset)
28538
c09bc9e108b5 fix lookup of variables in scripts called inside nested functions (bug #58691)
John W. Eaton <jwe@octave.org>
parents: 28439
diff changeset
1546 = parent_scope_sr.frame_offset () + count;
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1547
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1548 m_value_offsets.at (script_sr_data_offset)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1549 = parent_scope_sr.data_offset ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1550
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1551 break;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1552 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1553 else
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1554 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1555 count++;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1556 parent_scope = parent_scope.parent_scope ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1557 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1558 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1559
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1560 if (! found)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1561 error ("symbol '%s' cannot be added to static scope",
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1562 name.c_str ());
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1563 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1564 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1565 else
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1566 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1567 const std::map<std::string, symbol_record>& eval_scope_symbols
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1568 = eval_scope.symbols ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1569
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1570 for (const auto& nm_sr : script_symbols)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1571 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1572 std::string name = nm_sr.first;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1573 symbol_record script_sr = nm_sr.second;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1574
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1575 auto p = eval_scope_symbols.find (name);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1576
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1577 symbol_record eval_scope_sr;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1578
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1579 if (p == eval_scope_symbols.end ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1580 eval_scope_sr = eval_scope.insert (name);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1581 else
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1582 eval_scope_sr = p->second;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1583
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1584 std::size_t script_sr_data_offset = script_sr.data_offset ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1585
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1586 // The +1 is for going from the script frame to the eval
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1587 // frame. Only one access_link should need to be followed.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1588
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1589 m_lexical_frame_offsets.at (script_sr_data_offset)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1590 = eval_scope_sr.frame_offset () + 1;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1591
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1592 m_value_offsets.at (script_sr_data_offset)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1593 = eval_scope_sr.data_offset ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1594 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1595 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1596 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1597
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1598 void script_stack_frame::resize_and_update_script_offsets (const symbol_record& sym)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1599 {
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1600 std::size_t data_offset = sym.data_offset ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1601
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1602 // This function is called when adding new symbols to a script
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1603 // scope. If the symbol wasn't present before, it should be outside
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1604 // the range so we need to resize then update offsets.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1605
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1606 assert (data_offset >= size ());
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1607
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1608 resize (data_offset+1);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1609
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1610 // FIXME: We should be able to avoid creating the map object and the
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1611 // looping in the set_scripts_offsets_internal function. Can we do
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1612 // that without (or with minimal) code duplication?
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1613
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1614 std::map<std::string, symbol_record> tmp_symbols;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1615 tmp_symbols[sym.name ()] = sym;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1616 set_script_offsets_internal (tmp_symbols);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1617 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1618
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1619 // If this is a nested scope, set access_link to nearest parent
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1620 // stack frame that corresponds to the lexical parent of this scope.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1621
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1622 std::shared_ptr<stack_frame>
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1623 script_stack_frame::get_access_link (const std::shared_ptr<stack_frame>& static_link)
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1624 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1625 // If this script is called from another script, set access
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1626 // link to ultimate parent stack frame.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1627
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1628 std::shared_ptr<stack_frame> alink = static_link;
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1629
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1630 while (alink->is_user_script_frame ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1631 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1632 if (alink->access_link ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1633 alink = alink->access_link ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1634 else
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1635 break;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1636 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1637
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1638 return alink;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1639 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1640
28429
8eb8ba8aff9a refactor octave_function call method
John W. Eaton <jwe@octave.org>
parents: 28426
diff changeset
1641 unwind_protect * script_stack_frame::unwind_protect_frame (void)
8eb8ba8aff9a refactor octave_function call method
John W. Eaton <jwe@octave.org>
parents: 28426
diff changeset
1642 {
8eb8ba8aff9a refactor octave_function call method
John W. Eaton <jwe@octave.org>
parents: 28426
diff changeset
1643 if (! m_unwind_protect_frame)
8eb8ba8aff9a refactor octave_function call method
John W. Eaton <jwe@octave.org>
parents: 28426
diff changeset
1644 m_unwind_protect_frame = new unwind_protect ();
8eb8ba8aff9a refactor octave_function call method
John W. Eaton <jwe@octave.org>
parents: 28426
diff changeset
1645
8eb8ba8aff9a refactor octave_function call method
John W. Eaton <jwe@octave.org>
parents: 28426
diff changeset
1646 return m_unwind_protect_frame;
8eb8ba8aff9a refactor octave_function call method
John W. Eaton <jwe@octave.org>
parents: 28426
diff changeset
1647 }
8eb8ba8aff9a refactor octave_function call method
John W. Eaton <jwe@octave.org>
parents: 28426
diff changeset
1648
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1649 symbol_record script_stack_frame::lookup_symbol (const std::string& name) const
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1650 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1651 symbol_scope scope = get_scope ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1652
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1653 symbol_record sym = scope.lookup_symbol (name);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1654
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1655 if (sym)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1656 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1657 assert (sym.frame_offset () == 0);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1658
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1659 return sym;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1660 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1662 sym = m_access_link->lookup_symbol (name);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1663
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1664 // Return symbol record with adjusted frame offset.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1665 symbol_record new_sym = sym.dup ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1666
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1667 new_sym.set_frame_offset (sym.frame_offset () + 1);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1668
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1669 return new_sym;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1670 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1671
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1672 symbol_record script_stack_frame::insert_symbol (const std::string& name)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1673 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1674 // If the symbols is already in the immediate scope, there is
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1675 // nothing more to do.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1676
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1677 symbol_scope scope = get_scope ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1678
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1679 symbol_record sym = scope.lookup_symbol (name);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1680
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1681 if (sym)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1682 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1683 // All symbol records in a script scope should have zero offset,
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1684 // which means we redirect our lookup using
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1685 // lexical_frame_offsets and values_offets.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1686 assert (sym.frame_offset () == 0);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1687
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1688 return sym;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1689 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1690
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1691 // Insert the symbol in the current scope then resize and update
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1692 // offsets. This operation should never fail.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1693
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1694 sym = scope.find_symbol (name);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1695
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1696 assert (sym);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1697
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1698 resize_and_update_script_offsets (sym);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1699
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1700 return sym;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1701 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1702
26663
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1703 // Similar to set_script_offsets_internal except that we only return
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1704 // frame and data offsets for symbols found by name in parent scopes
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1705 // instead of updating the offsets stored in the script frame itself.
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1706
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1707 bool
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1708 script_stack_frame::get_val_offsets_internal (const symbol_record& script_sr,
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1709 std::size_t& frame_offset,
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1710 std::size_t& data_offset) const
26663
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1711 {
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1712 bool found = false;
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1713
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1714 // This scope will be used to evaluate the script. Find symbols
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1715 // here by name.
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1716
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1717 symbol_scope eval_scope = m_access_link->get_scope ();
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1718
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1719 if (eval_scope.is_nested ())
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1720 {
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1721 std::string name = script_sr.name ();
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1722
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1723 symbol_scope parent_scope = eval_scope;
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1724
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1725 std::size_t count = 1;
26663
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1726
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1727 while (parent_scope)
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1728 {
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1729 const std::map<std::string, symbol_record>& parent_scope_symbols
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1730 = parent_scope.symbols ();
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1731
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1732 auto p = parent_scope_symbols.find (name);
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1733
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1734 if (p != parent_scope_symbols.end ())
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1735 {
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1736 found = true;
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1737 symbol_record parent_scope_sr = p->second;
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1738
28538
c09bc9e108b5 fix lookup of variables in scripts called inside nested functions (bug #58691)
John W. Eaton <jwe@octave.org>
parents: 28439
diff changeset
1739 frame_offset = parent_scope_sr.frame_offset () + count;
26663
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1740
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1741 data_offset = parent_scope_sr.data_offset ();
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1742
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1743 break;
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1744 }
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1745 else
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1746 {
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1747 count++;
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1748 parent_scope = parent_scope.parent_scope ();
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1749 }
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1750 }
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1751 }
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1752 else
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1753 {
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1754 const std::map<std::string, symbol_record>& eval_scope_symbols
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1755 = eval_scope.symbols ();
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1756
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1757 std::string name = script_sr.name ();
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1758
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1759 auto p = eval_scope_symbols.find (name);
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1760
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1761 symbol_record eval_scope_sr;
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1762
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1763 if (p != eval_scope_symbols.end ())
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1764 {
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1765 found = true;
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1766 eval_scope_sr = p->second;
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1767
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1768 // The +1 is for going from the script frame to the eval
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1769 // frame. Only one access_link should need to be followed.
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1770
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1771 frame_offset = eval_scope_sr.frame_offset () + 1;
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1772
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1773 data_offset = eval_scope_sr.data_offset ();
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1774 }
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1775 }
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1776
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1777 return found;
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1778 }
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1779
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1780 bool script_stack_frame::get_val_offsets (const symbol_record& sym,
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1781 std::size_t& frame_offset,
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1782 std::size_t& data_offset) const
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1783 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1784 data_offset = sym.data_offset ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1785 frame_offset = sym.frame_offset ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1786
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1787 if (frame_offset == 0)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1788 {
26663
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1789 // An out of range data_offset value here means that we have a
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1790 // symbol that was not originally in the script. But this
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1791 // function is called in places where we can't insert a new
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1792 // symbol, so we fail and it is up to the caller to decide what
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1793 // to do.
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1794
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1795 if (data_offset >= size ())
26663
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1796 return get_val_offsets_internal (sym, frame_offset, data_offset);
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1797
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1798 // Use frame and value offsets stored in this stack frame,
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1799 // indexed by data_offset from the symbol_record to find the
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1800 // values. These offsets were determined by
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1801 // script_stack_frame::set_script_offsets when this script was
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1802 // invoked.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1803
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1804 frame_offset = m_lexical_frame_offsets.at (data_offset);
27149
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1805
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1806 if (frame_offset == 0)
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1807 {
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1808 // If the frame offset stored in m_lexical_frame_offsets is
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1809 // zero, then the data offset in the evaluation scope has
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1810 // not been determined so try to do that now. The symbol
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1811 // may have been added by eval and without calling
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1812 // resize_and_update_script_offsets.
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1813
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1814 return get_val_offsets_internal (sym, frame_offset, data_offset);
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1815 }
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1816
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1817 data_offset = m_value_offsets.at (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1818 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1819 else
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1820 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1821 // If frame_offset is not zero, then then we must have a symbol
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1822 // that was not originally in the script. The values should
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1823 // have been determined by the script_stack_frame::lookup function.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1824 }
26663
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1825
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1826 return true;
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1827 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1828
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1829 void script_stack_frame::get_val_offsets_with_insert (const symbol_record& sym,
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1830 std::size_t& frame_offset,
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1831 std::size_t& data_offset)
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1832 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1833 data_offset = sym.data_offset ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1834 frame_offset = sym.frame_offset ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1835
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1836 if (frame_offset == 0)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1837 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1838 if (data_offset >= size ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1839 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1840 // If the data_offset is out of range, then we must have a
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1841 // symbol that was not originally in the script. Resize and
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1842 // update the offsets.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1843
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1844 resize_and_update_script_offsets (sym);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1845 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1846
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1847 // Use frame and value offsets stored in this stack frame,
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1848 // indexed by data_offset from the symbol_record to find the
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1849 // values. These offsets were determined by
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1850 // script_stack_frame::set_script_offsets when this script was
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1851 // invoked.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1852
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1853 frame_offset = m_lexical_frame_offsets.at (data_offset);
27149
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1854
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1855 if (frame_offset == 0)
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1856 {
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1857 // If the frame offset stored in m_lexical_frame_offsets is
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1858 // zero, then the data offset in the evaluation scope has
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1859 // not been determined so try to do that now. The symbol
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1860 // may have been added by eval and without calling
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1861 // resize_and_update_script_offsets.
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1862
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1863 // We don't need to resize here. That case is handled above.
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1864
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1865 // FIXME: We should be able to avoid creating the map object
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1866 // and the looping in the set_scripts_offsets_internal
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1867 // function. Can we do that without (or with minimal) code
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1868 // duplication?
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1869
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1870 std::map<std::string, symbol_record> tmp_symbols;
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1871 tmp_symbols[sym.name ()] = sym;
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1872 set_script_offsets_internal (tmp_symbols);
30199
37ddca7ad9cb avoid internal error and segfault with eval and scripts (bug #61191)
John W. Eaton <jwe@octave.org>
parents: 29654
diff changeset
1873
37ddca7ad9cb avoid internal error and segfault with eval and scripts (bug #61191)
John W. Eaton <jwe@octave.org>
parents: 29654
diff changeset
1874 // set_script_offsets_internal may have modified
37ddca7ad9cb avoid internal error and segfault with eval and scripts (bug #61191)
John W. Eaton <jwe@octave.org>
parents: 29654
diff changeset
1875 // m_lexical_frame_offsets and m_value_offsets.
37ddca7ad9cb avoid internal error and segfault with eval and scripts (bug #61191)
John W. Eaton <jwe@octave.org>
parents: 29654
diff changeset
1876
37ddca7ad9cb avoid internal error and segfault with eval and scripts (bug #61191)
John W. Eaton <jwe@octave.org>
parents: 29654
diff changeset
1877 frame_offset = m_lexical_frame_offsets.at (data_offset);
27149
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1878 }
61226b7bd6b9 fix calculation of value offsets for variables added to script scopes
John W. Eaton <jwe@octave.org>
parents: 27037
diff changeset
1879
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1880 data_offset = m_value_offsets.at (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1881 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1882 else
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1883 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1884 // If frame_offset is not zero, then then we must have a symbol
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1885 // that was not originally in the script. The values were
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1886 // determined by the script_stack_frame::lookup function.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1887 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1888 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1889
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1890 stack_frame::scope_flags
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1891 script_stack_frame::scope_flag (const symbol_record& sym) const
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1892 {
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1893 std::size_t frame_offset;
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1894 std::size_t data_offset;
26663
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1895
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1896 bool found = get_val_offsets (sym, frame_offset, data_offset);
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1897
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1898 // It can't be global or persistent, so call it local.
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1899 if (! found)
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1900 return LOCAL;
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1901
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1902 // Follow frame_offset access links to stack frame that holds
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1903 // the value.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1904
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1905 const stack_frame *frame = this;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1906
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1907 for (std::size_t i = 0; i < frame_offset; i++)
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1908 {
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1909 std::shared_ptr<stack_frame> nxt = frame->access_link ();
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1910 frame = nxt.get ();
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1911 }
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1912
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1913 if (! frame)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1914 error ("internal error: invalid access link in function call stack");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1915
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1916 if (data_offset >= frame->size ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1917 return LOCAL;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1918
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1919 return frame->get_scope_flag (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1920 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1921
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1922 octave_value script_stack_frame::varval (const symbol_record& sym) const
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1923 {
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1924 std::size_t frame_offset;
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1925 std::size_t data_offset;
26663
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1926
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1927 bool found = get_val_offsets (sym, frame_offset, data_offset);
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1928
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1929 if (! found)
fad3f19de1be don't fail if symbol in script can't be found (bug #55626)
John W. Eaton <jwe@octave.org>
parents: 26661
diff changeset
1930 return octave_value ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1931
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1932 // Follow frame_offset access links to stack frame that holds
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1933 // the value.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1934
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1935 const stack_frame *frame = this;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1936
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1937 for (std::size_t i = 0; i < frame_offset; i++)
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1938 {
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1939 std::shared_ptr<stack_frame> nxt = frame->access_link ();
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1940 frame = nxt.get ();
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1941 }
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1942
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1943 if (! frame)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1944 error ("internal error: invalid access link in function call stack");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1945
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1946 if (data_offset >= frame->size ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1947 return octave_value ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1948
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1949 switch (frame->get_scope_flag (data_offset))
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1950 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1951 case LOCAL:
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1952 return frame->varval (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1953
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1954 case PERSISTENT:
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1955 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1956 symbol_scope scope = frame->get_scope ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1957
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1958 return scope.persistent_varval (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1959 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1960
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1961 case GLOBAL:
27211
8c27802a76c4 store reference to evaluator instead of call stack in stack frame
John W. Eaton <jwe@octave.org>
parents: 27149
diff changeset
1962 return m_evaluator.global_varval (sym.name ());
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1963 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1964
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1965 error ("internal error: invalid switch case");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1966 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1967
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1968 octave_value& script_stack_frame::varref (const symbol_record& sym)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1969 {
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1970 std::size_t frame_offset;
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1971 std::size_t data_offset;
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1972 get_val_offsets_with_insert (sym, frame_offset, data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1973
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1974 // Follow frame_offset access links to stack frame that holds
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1975 // the value.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1976
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1977 stack_frame *frame = this;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1978
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
1979 for (std::size_t i = 0; i < frame_offset; i++)
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1980 {
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1981 std::shared_ptr<stack_frame> nxt = frame->access_link ();
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1982 frame = nxt.get ();
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
1983 }
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1984
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1985 if (data_offset >= frame->size ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1986 frame->resize (data_offset+1);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1987
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1988 switch (frame->get_scope_flag (data_offset))
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1989 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1990 case LOCAL:
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1991 return frame->varref (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1992
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1993 case PERSISTENT:
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1994 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1995 symbol_scope scope = frame->get_scope ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1996
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1997 return scope.persistent_varref (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1998 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
1999
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2000 case GLOBAL:
27211
8c27802a76c4 store reference to evaluator instead of call stack in stack frame
John W. Eaton <jwe@octave.org>
parents: 27149
diff changeset
2001 return m_evaluator.global_varref (sym.name ());
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2002 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2003
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2004 error ("internal error: invalid switch case");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2005 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2006
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2007 void script_stack_frame::mark_scope (const symbol_record& sym,
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2008 scope_flags flag)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2009 {
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2010 std::size_t data_offset = sym.data_offset ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2011
29324
1a20cb5be8da avoid crash when evaling global variables into existence in script (bug #59937)
John W. Eaton <jwe@octave.org>
parents: 29064
diff changeset
2012 if (data_offset >= size ())
1a20cb5be8da avoid crash when evaling global variables into existence in script (bug #59937)
John W. Eaton <jwe@octave.org>
parents: 29064
diff changeset
2013 resize_and_update_script_offsets (sym);
1a20cb5be8da avoid crash when evaling global variables into existence in script (bug #59937)
John W. Eaton <jwe@octave.org>
parents: 29064
diff changeset
2014
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2015 // Redirection to evaluation context for the script.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2016
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2017 std::size_t frame_offset = m_lexical_frame_offsets.at (data_offset);
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2018 data_offset = m_value_offsets.at (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2019
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2020 if (frame_offset > 1)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2021 error ("variables must be made PERSISTENT or GLOBAL in the first scope in which they are used");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2022
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2023 std::shared_ptr<stack_frame> frame = access_link ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2024
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2025 if (data_offset >= frame->size ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2026 frame->resize (data_offset+1);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2027
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2028 frame->set_scope_flag (data_offset, flag);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2029 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2030
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2031 void script_stack_frame::display (bool follow) const
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2032 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2033 std::ostream& os = octave_stdout;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2034
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2035 os << "-- [script_stack_frame] (" << this << ") --" << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2036 stack_frame::display (follow);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2037
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2038 os << "script: " << m_script->name ()
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2039 << " (" << m_script->type_name () << ")" << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2040
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2041 os << "lexical_offsets: " << m_lexical_frame_offsets.size ()
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2042 << " elements:";
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2043
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2044 for (std::size_t i = 0; i < m_lexical_frame_offsets.size (); i++)
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2045 os << " " << m_lexical_frame_offsets.at (i);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2046 os << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2047
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2048 os << "value_offsets: " << m_value_offsets.size () << " elements:";
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2049 for (std::size_t i = 0; i < m_value_offsets.size (); i++)
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2050 os << " " << m_value_offsets.at (i);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2051 os << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2052
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2053 display_scope (os, get_scope ());
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2054 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2055
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2056 void script_stack_frame::accept (stack_frame_walker& sfw)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2057 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2058 sfw.visit_script_stack_frame (*this);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2059 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2060
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2061 void base_value_stack_frame::display (bool follow) const
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2062 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2063 std::ostream& os = octave_stdout;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2064
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2065 os << "-- [base_value_stack_frame] (" << this << ") --" << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2066 stack_frame::display (follow);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2067
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2068 os << "values: " << m_values.size ()
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2069 << " elements (idx, scope flag, type):" << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2070
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2071 for (std::size_t i = 0; i < m_values.size (); i++)
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2072 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2073 os << " (" << i << ", " << m_flags.at (i) << ", ";
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2074
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2075 octave_value val = varval (i);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2076
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2077 os << (val.is_defined () ? val.type_name () : " UNDEFINED") << ")"
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2078 << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2079 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2080 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2081
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2082 // If this is a nested scope, set access_link to nearest parent
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2083 // stack frame that corresponds to the lexical parent of this scope.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2084
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2085 std::shared_ptr<stack_frame>
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2086 user_fcn_stack_frame::get_access_link (octave_user_function *fcn,
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2087 const std::shared_ptr<stack_frame>& static_link)
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2088 {
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2089 std::shared_ptr<stack_frame> alink;
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2090
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2091 symbol_scope fcn_scope = fcn->scope ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2092
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2093 if (fcn_scope.is_nested ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2094 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2095 if (! static_link)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2096 error ("internal call stack error (invalid static link)");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2097
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2098 symbol_scope caller_scope = static_link->get_scope ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2099
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2100 int nesting_depth = fcn_scope.nesting_depth ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2101 int caller_nesting_depth = caller_scope.nesting_depth ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2102
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2103 if (caller_nesting_depth < nesting_depth)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2104 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2105 // FIXME: do we need to ensure that the called
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2106 // function is a child of the caller? Does it hurt
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2107 // to assert this condition, at least for now?
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2108
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2109 alink = static_link;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2110 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2111 else
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2112 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2113 // FIXME: do we need to check that the parent of the
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2114 // called function is also a parent of the caller?
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2115 // Does it hurt to assert this condition, at least
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2116 // for now?
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2117
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2118 int links_to_follow = caller_nesting_depth - nesting_depth + 1;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2119
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2120 alink = static_link;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2121
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2122 while (alink && --links_to_follow >= 0)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2123 alink = alink->access_link ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2124
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2125 if (! alink)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2126 error ("internal function nesting error (invalid access link)");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2127 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2128 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2129
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2130 return alink;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2131 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2132
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2133 void user_fcn_stack_frame::clear_values (void)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2134 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2135 symbol_scope fcn_scope = m_fcn->scope ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2136
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2137 const std::list<symbol_record>& symbols = fcn_scope.symbol_list ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2138
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2139 if (size () == 0)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2140 return;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2141
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2142 for (const auto& sym : symbols)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2143 {
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2144 std::size_t frame_offset = sym.frame_offset ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2145
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2146 if (frame_offset > 0)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2147 continue;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2148
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2149 std::size_t data_offset = sym.data_offset ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2150
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2151 if (data_offset >= size ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2152 continue;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2153
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2154 if (get_scope_flag (data_offset) == LOCAL)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2155 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2156 octave_value& ref = m_values.at (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2157
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2158 if (ref.get_count () == 1)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2159 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2160 ref.call_object_destructor ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2161 ref = octave_value ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2162 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2163 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2164 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2165 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2166
28429
8eb8ba8aff9a refactor octave_function call method
John W. Eaton <jwe@octave.org>
parents: 28426
diff changeset
2167 unwind_protect * user_fcn_stack_frame::unwind_protect_frame (void)
8eb8ba8aff9a refactor octave_function call method
John W. Eaton <jwe@octave.org>
parents: 28426
diff changeset
2168 {
8eb8ba8aff9a refactor octave_function call method
John W. Eaton <jwe@octave.org>
parents: 28426
diff changeset
2169 if (! m_unwind_protect_frame)
8eb8ba8aff9a refactor octave_function call method
John W. Eaton <jwe@octave.org>
parents: 28426
diff changeset
2170 m_unwind_protect_frame = new unwind_protect ();
8eb8ba8aff9a refactor octave_function call method
John W. Eaton <jwe@octave.org>
parents: 28426
diff changeset
2171
8eb8ba8aff9a refactor octave_function call method
John W. Eaton <jwe@octave.org>
parents: 28426
diff changeset
2172 return m_unwind_protect_frame;
8eb8ba8aff9a refactor octave_function call method
John W. Eaton <jwe@octave.org>
parents: 28426
diff changeset
2173 }
8eb8ba8aff9a refactor octave_function call method
John W. Eaton <jwe@octave.org>
parents: 28426
diff changeset
2174
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2175 symbol_record user_fcn_stack_frame::lookup_symbol (const std::string& name) const
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2176 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2177 const stack_frame *frame = this;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2178
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2179 while (frame)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2180 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2181 symbol_scope scope = frame->get_scope ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2182
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2183 symbol_record sym = scope.lookup_symbol (name);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2184
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2185 if (sym)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2186 return sym;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2187
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2188 std::shared_ptr<stack_frame> nxt = frame->access_link ();
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2189 frame = nxt.get ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2190 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2191
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2192 return symbol_record ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2193 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2194
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2195 symbol_record user_fcn_stack_frame::insert_symbol (const std::string& name)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2196 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2197 // If the symbols is already in the immediate scope, there is
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2198 // nothing more to do.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2199
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2200 symbol_scope scope = get_scope ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2201
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2202 symbol_record sym = scope.lookup_symbol (name);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2203
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2204 if (sym)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2205 return sym;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2206
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2207 // FIXME: This needs some thought... We may need to add a symbol to
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2208 // a static workspace, but the symbol can never be defined as a
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2209 // variable. This currently works by tagging the added symbol as
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2210 // "added_static". Aside from the bad name, this doesn't seem like
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2211 // the best solution. Maybe scopes should have a separate set of
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2212 // symbols that may only be defined as functions?
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2213
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2214 // Insert the symbol in the current scope. This is not possible for
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2215 // anonymous functions, nested functions, or functions that contain
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2216 // nested functions (their scopes will all be marked static).
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2217
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2218 // if (scope.is_static ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2219 // error ("can not add variable '%s' to a static workspace",
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2220 // name.c_str ());
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2221
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2222 // At this point, non-local references are not possible so we only
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2223 // need to look in the current scope and insert there. This
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2224 // operation should never fail.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2225
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2226 sym = scope.find_symbol (name);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2227
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2228 assert (sym);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2229
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2230 return sym;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2231 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2232
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2233 stack_frame::scope_flags
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2234 user_fcn_stack_frame::scope_flag (const symbol_record& sym) const
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2235 {
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2236 std::size_t frame_offset = sym.frame_offset ();
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2237 std::size_t data_offset = sym.data_offset ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2238
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2239 // Follow frame_offset access links to stack frame that holds
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2240 // the value.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2241
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2242 const stack_frame *frame = this;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2243
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2244 for (std::size_t i = 0; i < frame_offset; i++)
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2245 {
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2246 std::shared_ptr<stack_frame> nxt = frame->access_link ();
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2247 frame = nxt.get ();
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2248 }
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2249
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2250 if (! frame)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2251 error ("internal error: invalid access link in function call stack");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2252
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2253 if (data_offset >= frame->size ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2254 return LOCAL;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2255
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2256 return frame->get_scope_flag (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2257 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2258
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2259 octave_value user_fcn_stack_frame::varval (const symbol_record& sym) const
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2260 {
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2261 std::size_t frame_offset = sym.frame_offset ();
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2262 std::size_t data_offset = sym.data_offset ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2263
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2264 // Follow frame_offset access links to stack frame that holds
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2265 // the value.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2266
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2267 const stack_frame *frame = this;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2268
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2269 for (std::size_t i = 0; i < frame_offset; i++)
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2270 {
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2271 std::shared_ptr<stack_frame> nxt = frame->access_link ();
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2272 frame = nxt.get ();
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2273 }
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2274
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2275 if (! frame)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2276 error ("internal error: invalid access link in function call stack");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2277
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2278 if (data_offset >= frame->size ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2279 return octave_value ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2280
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2281 switch (frame->get_scope_flag (data_offset))
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2282 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2283 case LOCAL:
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2284 return frame->varval (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2285
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2286 case PERSISTENT:
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2287 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2288 symbol_scope scope = frame->get_scope ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2289
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2290 return scope.persistent_varval (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2291 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2292
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2293 case GLOBAL:
27211
8c27802a76c4 store reference to evaluator instead of call stack in stack frame
John W. Eaton <jwe@octave.org>
parents: 27149
diff changeset
2294 return m_evaluator.global_varval (sym.name ());
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2295 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2296
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2297 error ("internal error: invalid switch case");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2298 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2299
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2300 octave_value& user_fcn_stack_frame::varref (const symbol_record& sym)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2301 {
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2302 std::size_t frame_offset = sym.frame_offset ();
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2303 std::size_t data_offset = sym.data_offset ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2304
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2305 // Follow frame_offset access links to stack frame that holds
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2306 // the value.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2307
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2308 stack_frame *frame = this;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2309
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2310 for (std::size_t i = 0; i < frame_offset; i++)
28426
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2311 {
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2312 std::shared_ptr<stack_frame> nxt = frame->access_link ();
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2313 frame = nxt.get ();
9a3deb17b4ea use shared_ptr for stack frames in call stack and for accesss and static links
John W. Eaton <jwe@octave.org>
parents: 28425
diff changeset
2314 }
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2315
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2316 if (data_offset >= frame->size ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2317 frame->resize (data_offset+1);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2318
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2319 switch (frame->get_scope_flag (data_offset))
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2320 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2321 case LOCAL:
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2322 return frame->varref (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2323
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2324 case PERSISTENT:
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2325 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2326 symbol_scope scope = frame->get_scope ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2327
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2328 return scope.persistent_varref (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2329 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2330
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2331 case GLOBAL:
27211
8c27802a76c4 store reference to evaluator instead of call stack in stack frame
John W. Eaton <jwe@octave.org>
parents: 27149
diff changeset
2332 return m_evaluator.global_varref (sym.name ());
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2333 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2334
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2335 error ("internal error: invalid switch case");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2336 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2337
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2338 void user_fcn_stack_frame::mark_scope (const symbol_record& sym, scope_flags flag)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2339 {
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2340 std::size_t frame_offset = sym.frame_offset ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2341
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2342 if (frame_offset > 0 && (flag == PERSISTENT || flag == GLOBAL))
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2343 error ("variables must be made PERSISTENT or GLOBAL in the first scope in which they are used");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2344
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2345 std::size_t data_offset = sym.data_offset ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2346
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2347 if (data_offset >= size ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2348 resize (data_offset+1);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2349
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2350 set_scope_flag (data_offset, flag);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2351 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2352
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2353 void user_fcn_stack_frame::display (bool follow) const
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2354 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2355 std::ostream& os = octave_stdout;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2356
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2357 os << "-- [user_fcn_stack_frame] (" << this << ") --" << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2358 base_value_stack_frame::display (follow);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2359
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2360 os << "fcn: " << m_fcn->name ()
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2361 << " (" << m_fcn->type_name () << ")" << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2362
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2363 display_scope (os, get_scope ());
27932
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
2364 }
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2365
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2366 void user_fcn_stack_frame::accept (stack_frame_walker& sfw)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2367 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2368 sfw.visit_user_fcn_stack_frame (*this);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2369 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2370
29476
c74ff452e2bb avoid memory leaks when returning handles to nested functions
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2371 void user_fcn_stack_frame::break_closure_cycles (const std::shared_ptr<stack_frame>& frame)
c74ff452e2bb avoid memory leaks when returning handles to nested functions
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2372 {
c74ff452e2bb avoid memory leaks when returning handles to nested functions
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2373 for (auto& val : m_values)
c74ff452e2bb avoid memory leaks when returning handles to nested functions
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2374 val.break_closure_cycles (frame);
c74ff452e2bb avoid memory leaks when returning handles to nested functions
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2375
c74ff452e2bb avoid memory leaks when returning handles to nested functions
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2376 if (m_access_link)
c74ff452e2bb avoid memory leaks when returning handles to nested functions
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2377 m_access_link->break_closure_cycles (frame);
c74ff452e2bb avoid memory leaks when returning handles to nested functions
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2378 }
c74ff452e2bb avoid memory leaks when returning handles to nested functions
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2379
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2380 symbol_record scope_stack_frame::insert_symbol (const std::string& name)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2381 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2382 // There is no access link for scope frames, so there is no other
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2383 // frame to search in and the offset must be zero.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2384
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2385 symbol_record sym = m_scope.lookup_symbol (name);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2386
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2387 if (sym)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2388 return sym;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2389
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2390 // If the symbol is not found, insert it. We only need to search in
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2391 // the local scope object. This operation should never fail.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2392
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2393 sym = m_scope.find_symbol (name);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2394
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2395 assert (sym);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2396
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2397 return sym;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2398 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2399
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2400 stack_frame::scope_flags
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2401 scope_stack_frame::scope_flag (const symbol_record& sym) const
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2402 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2403 // There is no access link for scope frames, so the frame
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2404 // offset must be zero.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2405
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2406 std::size_t data_offset = sym.data_offset ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2407
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2408 if (data_offset >= size ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2409 return LOCAL;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2410
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2411 return get_scope_flag (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2412 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2413
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2414 octave_value scope_stack_frame::varval (const symbol_record& sym) const
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2415 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2416 // There is no access link for scope frames, so the frame
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2417 // offset must be zero.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2418
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2419 std::size_t data_offset = sym.data_offset ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2420
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2421 if (data_offset >= size ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2422 return octave_value ();
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2423
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2424 switch (get_scope_flag (data_offset))
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2425 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2426 case LOCAL:
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2427 return m_values.at (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2428
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2429 case PERSISTENT:
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2430 return m_scope.persistent_varval (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2431
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2432 case GLOBAL:
27211
8c27802a76c4 store reference to evaluator instead of call stack in stack frame
John W. Eaton <jwe@octave.org>
parents: 27149
diff changeset
2433 return m_evaluator.global_varval (sym.name ());
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2434 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2435
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2436 error ("internal error: invalid switch case");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2437 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2438
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2439 octave_value& scope_stack_frame::varref (const symbol_record& sym)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2440 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2441 // There is no access link for scope frames, so the frame
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2442 // offset must be zero.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2443
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2444 std::size_t data_offset = sym.data_offset ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2445
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2446 if (data_offset >= size ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2447 resize (data_offset+1);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2448
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2449 switch (get_scope_flag (data_offset))
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2450 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2451 case LOCAL:
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2452 return m_values.at (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2453
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2454 case PERSISTENT:
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2455 return m_scope.persistent_varref (data_offset);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2456
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2457 case GLOBAL:
27211
8c27802a76c4 store reference to evaluator instead of call stack in stack frame
John W. Eaton <jwe@octave.org>
parents: 27149
diff changeset
2458 return m_evaluator.global_varref (sym.name ());
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2459 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2460
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2461 error ("internal error: invalid switch case");
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2462 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2463
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2464 void scope_stack_frame::mark_scope (const symbol_record& sym,
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2465 scope_flags flag)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2466 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2467 // There is no access link for scope frames, so the frame
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2468 // offset must be zero.
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2469
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29477
diff changeset
2470 std::size_t data_offset = sym.data_offset ();
26661
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2471
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2472 if (data_offset >= size ())
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2473 resize (data_offset+1);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2474
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2475 set_scope_flag (data_offset, flag);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2476 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2477
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2478 void scope_stack_frame::display (bool follow) const
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2479 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2480 std::ostream& os = octave_stdout;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2481
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2482 os << "-- [scope_stack_frame] (" << this << ") --" << std::endl;
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2483 base_value_stack_frame::display (follow);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2484
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2485 display_scope (os, m_scope);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2486 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2487
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2488 void scope_stack_frame::accept (stack_frame_walker& sfw)
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2489 {
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2490 sfw.visit_scope_stack_frame (*this);
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2491 }
cf9e10ce3351 move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
diff changeset
2492 }