Mercurial > octave
annotate libinterp/corefcn/call-stack.h @ 29572:aef11bb4e6d1
use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
Files affected: make_int.cc, file-editor-tab.cc, octave-qscintilla.cc,
Cell.cc, Cell.h, call-stack.cc, call-stack.h, cellfun.cc, data.cc,
debug.cc, dlmread.cc, error.cc, event-queue.h, fcn-info.cc,
fcn-info.h, file-io.cc, ft-text-renderer.cc, gl2ps-print.cc,
graphics.cc, graphics.in.h, help.cc, hex2num.cc, input.cc,
latex-text-renderer.cc, load-path.cc, load-save.cc, load-save.h,
ls-hdf5.cc, ls-mat-ascii.cc, ls-mat5.cc, ls-oct-text.cc, mex.cc,
mexproto.h, mxarray.h, oct-map.cc, oct-stream.cc, oct-stream.h,
pager.cc, pager.h, pr-output.cc, regexp.cc, settings.h,
stack-frame.cc, stack-frame.h, strfns.cc, syminfo.cc, symrec.h,
symscope.cc, symscope.h, symtab.cc, sysdep.cc, toplev.cc, utils.cc,
utils.h, variables.cc, __fltk_uigetfile__.cc, __init_fltk__.cc,
audioread.cc, gzip.cc, cdef-class.cc, cdef-manager.cc, cdef-method.cc,
cdef-object.cc, cdef-object.h, ov-base-diag.cc, ov-base-diag.h,
ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.cc, ov-base-scalar.h,
ov-base-sparse.h, ov-base.cc, ov-base.h, ov-cell.cc, ov-cell.h,
ov-ch-mat.cc, ov-class.cc, ov-class.h, ov-classdef.cc,
ov-fcn-handle.cc, ov-java.cc, ov-lazy-idx.h, ov-perm.cc, ov-perm.h,
ov-range.h, ov-str-mat.cc, ov-struct.cc, ov-struct.h, ov-usr-fcn.cc,
ov-usr-fcn.h, ov.cc, ov.h, ovl.cc, octave.cc, bp-table.cc, jit-ir.cc,
jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, jit-util.h, lex.h, lex.ll,
oct-lvalue.cc, oct-parse.yy, parse.h, profiler.h, pt-eval.cc,
pt-eval.h, pt-jit.cc, pt-jit.h, pt-pr-code.cc, pt-tm-const.cc,
pt-tm-const.h, Array.h, CMatrix.cc, DiagArray2.h, PermMatrix.h,
Sparse.h, dMatrix.cc, fCMatrix.cc, fMatrix.cc, bsxfun-defs.cc,
oct-fftw.cc, oct-fftw.h, randpoisson.cc, sparse-chol.cc,
mx-inlines.cc, file-ops.cc, lo-sysdep.cc, oct-env.cc, oct-time.cc,
action-container.cc, action-container.h, base-list.h, caseless-str.h,
cmd-edit.cc, cmd-hist.cc, data-conv.cc, data-conv.h, f77-fcn.h,
file-info.cc, file-info.h, kpse.cc, kpse.h, lo-cutils.h, lo-hash.h,
lo-regexp.cc, oct-base64.cc, oct-base64.h, oct-binmap.h, oct-glob.cc,
oct-shlib.cc, oct-shlib.h, oct-sort.cc, oct-sparse.h, oct-string.cc,
quit.cc, unwind-prot.h, url-transfer.cc, main.in.cc, mkoctfile.in.cc,
and shared-fcns.h.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 28 Apr 2021 22:57:42 -0400 |
parents | 34d06c73b48d |
children | 939bef0b66e0 |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 1993-2021 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 //////////////////////////////////////////////////////////////////////// |
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25 |
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26 #if ! defined (octave_call_stack_h) |
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27 #define octave_call_stack_h 1 |
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28 |
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29 #include "octave-config.h" |
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30 |
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31 #include <deque> |
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32 #include <memory> |
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33 #include <string> |
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34 |
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35 class octave_function; |
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36 class octave_map; |
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37 class octave_user_code; |
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38 class octave_user_script; |
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39 class octave_value; |
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40 class octave_value_list; |
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41 |
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43 | |
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44 #include "stack-frame.h" |
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45 #include "symscope.h" |
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46 |
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47 namespace octave |
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48 { |
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49 class tree_evaluator; |
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50 class symbol_info_list; |
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51 class unwind_protect; |
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52 |
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53 class |
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54 OCTINTERP_API |
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55 call_stack |
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56 { |
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57 public: |
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58 |
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59 typedef std::deque<std::shared_ptr<stack_frame>> stack_frames; |
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60 |
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61 typedef stack_frames::iterator iterator; |
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62 typedef stack_frames::const_iterator const_iterator; |
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63 |
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64 typedef stack_frames::reverse_iterator reverse_iterator; |
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65 typedef stack_frames::const_reverse_iterator const_reverse_iterator; |
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66 |
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67 call_stack (tree_evaluator& evaluator); |
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68 |
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69 // Lock current function. Look for the first stack frame that is |
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70 // a function. If SKIP_FIST is true, then skip the first frame. |
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71 // That allows functions like Fmlock to find and lock the calling |
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72 // function instead of locking Fmlock itself. |
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73 |
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74 octave_function * current_function (bool skip_first = false) const; |
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75 |
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76 octave_function * caller_function (void) const |
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77 { |
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78 return current_function (true); |
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79 } |
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80 |
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81 // Current line in current function. |
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82 int current_line (void) const; |
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83 |
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84 // Current column in current function. |
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85 int current_column (void) const; |
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86 |
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87 std::size_t current_frame (void) const { return m_curr_frame; } |
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88 |
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89 std::size_t size (void) const { return m_cs.size (); } |
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90 |
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91 std::shared_ptr<stack_frame> get_current_stack_frame (void) const |
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92 { |
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93 return m_cs[m_curr_frame]; |
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94 } |
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95 |
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96 symbol_scope top_scope (void) const |
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97 { |
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98 return m_cs[0]->get_scope (); |
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99 } |
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100 |
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101 symbol_scope current_scope (void) const |
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102 { |
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103 // FIXME: Can m_curr_frame ever be invalid? |
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104 return (m_curr_frame < m_cs.size () |
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105 ? m_cs[m_curr_frame]->get_scope () : symbol_scope ()); |
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106 } |
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107 |
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108 bool at_top_level (void) const |
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109 { |
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110 return current_scope () == top_scope (); |
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111 } |
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112 |
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113 // Function at location N on the call stack (N == 0 is current), may |
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114 // be built-in. |
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115 octave_function * element (std::size_t n) |
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116 { |
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117 octave_function *retval = nullptr; |
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118 |
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119 if (m_cs.size () > n) |
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120 retval = m_cs[n]->function (); |
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121 |
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122 return retval; |
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123 } |
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124 |
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125 // User code caller. |
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126 octave_user_code * current_user_code (void) const; |
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127 |
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128 unwind_protect * curr_fcn_unwind_protect_frame (void); |
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129 |
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130 // Line in user code caller. |
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131 int current_user_code_line (void) const; |
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132 |
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133 // Column in user code caller. |
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134 int current_user_code_column (void) const; |
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135 |
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136 // Current function that we are debugging. |
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137 octave_user_code * debug_user_code (void) const; |
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138 |
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139 // Line number in current function that we are debugging. |
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140 int debug_user_code_line (void) const; |
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141 |
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142 // Column number in current function that we are debugging. |
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143 int debug_user_code_column (void) const; |
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144 |
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145 std::string get_dispatch_class (void) const; |
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146 |
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147 void set_dispatch_class (const std::string& class_name); |
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148 |
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149 bool is_class_method_executing (std::string& dispatch_class) const; |
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150 |
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151 bool is_class_constructor_executing (std::string& dispatch_class) const; |
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152 |
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153 // Return TRUE if all elements on the call stack are scripts. |
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154 bool all_scripts (void) const; |
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155 |
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156 void push (const symbol_scope& scope); |
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157 |
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158 void push (octave_user_function *fcn, |
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159 const std::shared_ptr<stack_frame>& closure_frames = std::shared_ptr<stack_frame> ()); |
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160 |
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161 void push (octave_user_function *fcn, |
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162 const stack_frame::local_vars_map& local_vars, |
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163 const std::shared_ptr<stack_frame>& closure_frames = std::shared_ptr<stack_frame> ()); |
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164 |
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165 void push (octave_user_script *script); |
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166 |
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167 void push (octave_function *fcn); |
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168 |
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169 void set_location (int l, int c) |
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170 { |
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171 if (! m_cs.empty ()) |
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172 { |
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173 std::shared_ptr<stack_frame> elt = m_cs.back (); |
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174 |
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175 elt->line (l); |
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176 elt->column (c); |
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177 } |
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178 } |
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179 |
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180 void set_line (int l) |
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181 { |
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182 if (! m_cs.empty ()) |
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183 { |
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184 std::shared_ptr<stack_frame> elt = m_cs.back (); |
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185 |
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186 elt->line (l); |
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187 } |
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188 } |
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189 |
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190 void set_column (int c) |
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191 { |
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192 if (! m_cs.empty ()) |
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193 { |
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194 std::shared_ptr<stack_frame> elt = m_cs.back (); |
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195 |
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196 elt->column (c); |
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197 } |
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198 } |
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199 |
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200 bool goto_frame (std::size_t n = 0, bool verbose = false); |
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201 |
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202 void restore_frame (std::size_t n) |
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203 { |
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204 goto_frame (n); |
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205 } |
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206 |
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207 std::size_t find_current_user_frame (void) const; |
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208 |
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209 std::shared_ptr<stack_frame> current_user_frame (void) const; |
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210 |
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211 std::size_t dbupdown (std::size_t start, int n, bool verbose); |
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212 std::size_t dbupdown (int n = -1, bool verbose = false); |
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213 |
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214 void goto_caller_frame (void); |
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215 |
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216 void goto_base_frame (void); |
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217 |
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218 std::list<std::shared_ptr<stack_frame>> |
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219 backtrace_frames (octave_idx_type& curr_user_frame) const; |
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220 |
27471 | 221 // List of raw stack frames. |
222 | |
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223 std::list<std::shared_ptr<stack_frame>> backtrace_frames (void) const; |
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224 |
27471 | 225 // List of stack_info objects that can be used in liboctave and |
226 // stored in the execution_exception object. | |
227 | |
228 std::list<frame_info> backtrace_info (octave_idx_type& curr_user_frame, | |
229 bool print_subfn = true) const; | |
230 | |
231 std::list<frame_info> backtrace_info (void) const; | |
232 | |
233 // The same as backtrace_info but in the form of a struct array | |
234 // object that may be used in the interpreter. | |
235 | |
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236 octave_map backtrace (octave_idx_type& curr_user_frame, |
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237 bool print_subfn = true) const; |
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238 |
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239 octave_map backtrace (void) const; |
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240 |
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241 octave_map empty_backtrace (void) const; |
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242 |
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243 void pop (void); |
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244 |
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245 void clear (void); |
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246 |
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247 symbol_info_list all_variables (void); |
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248 |
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249 std::list<std::string> global_variable_names (void) const; |
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250 |
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251 std::list<std::string> top_level_variable_names (void) const; |
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252 |
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253 std::list<std::string> variable_names (void) const; |
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254 |
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255 void clear_global_variable (const std::string& name); |
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256 |
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257 void clear_global_variable_pattern (const std::string& pattern); |
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258 |
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259 void clear_global_variable_regexp(const std::string& pattern); |
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260 |
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261 void clear_global_variables (void); |
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262 |
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263 symbol_info_list glob_symbol_info (const std::string& pattern) const; |
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264 |
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265 symbol_info_list regexp_symbol_info (const std::string& pattern) const; |
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266 |
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267 symbol_info_list get_symbol_info (void); |
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268 |
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269 symbol_info_list top_scope_symbol_info (void) const; |
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270 |
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271 octave_value max_stack_depth (const octave_value_list& args, int nargout); |
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272 |
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273 void make_persistent (const symbol_record& sym); |
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274 |
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275 void make_global (const symbol_record& sym); |
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276 |
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277 octave_value global_varval (const std::string& name) const; |
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278 |
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279 octave_value& global_varref (const std::string& name); |
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280 |
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281 octave_value get_top_level_value (const std::string& name) const; |
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282 |
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283 void set_top_level_value (const std::string& name, |
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284 const octave_value& value); |
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285 |
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286 octave_value do_who (int argc, const string_vector& argv, |
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287 bool return_list, bool verbose = false); |
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288 |
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289 octave_value do_who_two (const string_vector& patterns, bool have_regexp, |
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290 bool return_list, bool verbose, |
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291 const std::string& msg = ""); |
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292 |
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293 octave_value do_global_who_two (const string_vector& patterns, |
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294 bool have_regexp, bool return_list, |
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295 bool verbose, const std::string& msg = ""); |
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296 |
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297 void display (void) const; |
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298 |
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299 void set_auto_fcn_var (stack_frame::auto_var_type avt, |
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300 const octave_value& val); |
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301 |
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302 octave_value get_auto_fcn_var (stack_frame::auto_var_type avt) const; |
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303 |
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304 private: |
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305 |
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306 void get_new_frame_index_and_links |
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307 (std::size_t& new_frame_idx, std::shared_ptr<stack_frame>& parent_link, |
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308 std::shared_ptr<stack_frame>& static_link) const; |
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309 |
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310 tree_evaluator& m_evaluator; |
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311 |
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312 // The list of stack frames. |
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313 stack_frames m_cs; |
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314 |
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315 // The current frame. When a new frame is pushed, m_curr_frame |
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316 // moves to the end of the list of stack frames (also referred to as |
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317 // the top of the call stack) but may be temporarily moved to |
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318 // another location by evalin or debugging functions. |
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319 |
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320 // FIXME: should the current frame be managed by the evaluator |
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321 // instead? |
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322 std::size_t m_curr_frame; |
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323 |
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324 int m_max_stack_depth; |
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325 |
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326 std::map<std::string, octave_value> m_global_values; |
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327 }; |
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328 } |
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329 |
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330 #endif |