Mercurial > octave
annotate libinterp/corefcn/interpreter.cc @ 26661:cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
Apologies for the massive commit. I see no way to untangle these
changes into a set of smaller incremental changes in a way that would
be more useful.
Previously, handling data for recursive function calls was managed by
a stack of values in the symbol_record class and an auxiliary integer
variable was used for managing the recursion depth (context_id). Now,
values for local variables are in the stack_frame class and recursion
is handled naturally by the call_stack as a new stack frame is added
to the call_stack object for any call to a function or a script.
Values for internal function call information (nargin, nargout, etc.)
are now stored specially in the stack_frame object. Values for global
variables are now stored in a map in the call_stack object. Values
for persistent variables are stored in the corresponding
octave_user_function object. Access to non-local variables inside
nested functions is managed through pointers to stack_frame objects
for the parent function scopes. The new implementation more closely
resembles the techniques described in standard compiler literature.
These changes should make it easier to create proper closures and
finally solve bug #39257 (handles to nested functions are not yet
supported). They may also make it easier to implement JIT compiler,
though that is probably still a long way off.
The new stack-frame.h file has some details about the new
implementation of stack frames that should help in understanding how
things work now.
Describing each change to each file and function will probably not
provide much greater understanding of the changes and would be quite
tedious to write so I am omitting them.
author | John W. Eaton <jwe@octave.org> |
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date | Mon, 28 Jan 2019 18:01:46 +0000 |
parents | 00f796120a6d |
children | f51e8a7c33f4 |
rev | line source |
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1 /* |
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2 |
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3 Copyright (C) 1993-2019 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software: you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by |
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9 the Free Software Foundation, either version 3 of the License, or |
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10 (at your option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but |
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13 WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 GNU General Public License for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, see |
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19 <https://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #if defined (HAVE_CONFIG_H) |
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24 # include "config.h" |
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25 #endif |
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26 |
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27 #include <string> |
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28 #include <iostream> |
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29 |
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30 #include "cmd-edit.h" |
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31 #include "cmd-hist.h" |
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32 #include "file-stat.h" |
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33 #include "fpucw-wrappers.h" |
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34 #include "lo-blas-proto.h" |
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35 #include "lo-error.h" |
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36 #include "oct-env.h" |
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37 #include "str-vec.h" |
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38 #include "signal-wrappers.h" |
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39 #include "unistd-wrappers.h" |
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40 |
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41 #include "builtin-defun-decls.h" |
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42 #include "defaults.h" |
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43 #include "Cell.h" |
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44 #include "call-stack.h" |
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45 #include "defun.h" |
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46 #include "display.h" |
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47 #include "error.h" |
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48 #include "file-io.h" |
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49 #include "graphics.h" |
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50 #include "help.h" |
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51 #include "input.h" |
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52 #include "interpreter-private.h" |
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53 #include "interpreter.h" |
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54 #include "load-path.h" |
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55 #include "load-save.h" |
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56 #include "octave-link.h" |
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57 #include "octave.h" |
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58 #include "oct-hist.h" |
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59 #include "oct-map.h" |
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60 #include "oct-mutex.h" |
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61 #include "ovl.h" |
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62 #include "ov.h" |
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63 #include "ov-classdef.h" |
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64 #include "parse.h" |
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65 #include "pt-eval.h" |
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66 #include "pt-jump.h" |
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67 #include "pt-stmt.h" |
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68 #include "settings.h" |
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69 #include "sighandlers.h" |
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70 #include "sysdep.h" |
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71 #include "unwind-prot.h" |
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72 #include "utils.h" |
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73 #include "variables.h" |
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74 #include "version.h" |
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75 |
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76 // TRUE means the quit() call is allowed. |
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77 bool quit_allowed = true; |
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78 |
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79 // TRUE means we are ready to interpret commands, but not everything |
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80 // is ready for interactive use. |
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81 bool octave_interpreter_ready = false; |
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82 |
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83 // TRUE means we've processed all the init code and we are good to go. |
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84 bool octave_initialized = false; |
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85 |
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86 DEFUN (__version_info__, args, , |
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87 doc: /* -*- texinfo -*- |
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88 @deftypefn {} {retval =} __version_info__ (@var{name}, @var{version}, @var{release}, @var{date}) |
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89 Undocumented internal function. |
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90 @end deftypefn */) |
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91 { |
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92 static octave_map vinfo; |
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93 |
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94 int nargin = args.length (); |
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95 |
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96 if (nargin != 0 && nargin != 4) |
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97 print_usage (); |
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98 |
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99 octave_value retval; |
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100 |
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101 if (nargin == 0) |
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102 retval = vinfo; |
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103 else if (nargin == 4) |
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104 { |
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105 if (vinfo.nfields () == 0) |
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106 { |
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107 vinfo.assign ("Name", args(0)); |
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108 vinfo.assign ("Version", args(1)); |
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109 vinfo.assign ("Release", args(2)); |
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110 vinfo.assign ("Date", args(3)); |
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111 } |
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112 else |
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113 { |
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114 octave_idx_type n = vinfo.numel () + 1; |
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115 |
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116 vinfo.resize (dim_vector (n, 1)); |
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117 |
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118 octave_value idx (n); |
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119 |
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120 vinfo.assign (idx, "Name", Cell (octave_value (args(0)))); |
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121 vinfo.assign (idx, "Version", Cell (octave_value (args(1)))); |
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122 vinfo.assign (idx, "Release", Cell (octave_value (args(2)))); |
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123 vinfo.assign (idx, "Date", Cell (octave_value (args(3)))); |
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124 } |
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125 } |
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126 |
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127 return retval; |
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128 } |
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129 |
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130 DEFUN (quit, args, , |
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131 doc: /* -*- texinfo -*- |
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132 @deftypefn {} {} exit |
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133 @deftypefnx {} {} exit (@var{status}) |
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134 @deftypefnx {} {} quit |
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135 @deftypefnx {} {} quit (@var{status}) |
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136 Exit the current Octave session. |
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137 |
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138 If the optional integer value @var{status} is supplied, pass that value to |
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139 the operating system as Octave's exit status. The default value is zero. |
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140 |
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141 When exiting, Octave will attempt to run the m-file @file{finish.m} if it |
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142 exists. User commands to save the workspace or clean up temporary files |
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143 may be placed in that file. Alternatively, another m-file may be scheduled |
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144 to run using @code{atexit}. |
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145 @seealso{atexit} |
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146 @end deftypefn */) |
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147 { |
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148 // Confirm OK to shutdown. Note: A dynamic function installation similar |
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149 // to overriding polymorphism for which the GUI can install its own "quit" |
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150 // yet call this base "quit" could be nice. No link would be needed here. |
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151 if (! octave_link::confirm_shutdown ()) |
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152 return ovl (); |
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153 |
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154 if (! quit_allowed) |
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155 error ("quit: not supported in embedded mode"); |
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156 |
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157 int exit_status = 0; |
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158 |
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159 if (args.length () > 0) |
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160 exit_status = args(0).nint_value (); |
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161 |
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162 // Instead of simply calling exit, we thrown an exception so that no |
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163 // matter where the call to quit occurs, we will run the |
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164 // unwind_protect stack, clear the OCTAVE_LOCAL_BUFFER allocations, |
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165 // etc. before exiting. |
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166 |
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167 throw octave::exit_exception (exit_status); |
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168 |
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169 return ovl (); |
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170 } |
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171 |
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172 DEFALIAS (exit, quit); |
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173 |
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174 DEFUN (atexit, args, nargout, |
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175 doc: /* -*- texinfo -*- |
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176 @deftypefn {} {} atexit (@var{fcn}) |
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177 @deftypefnx {} {} atexit (@var{fcn}, @var{flag}) |
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178 Register a function to be called when Octave exits. |
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179 |
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180 For example, |
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181 |
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182 @example |
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183 @group |
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184 function last_words () |
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185 disp ("Bye bye"); |
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186 endfunction |
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187 atexit ("last_words"); |
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188 @end group |
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189 @end example |
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190 |
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191 @noindent |
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192 will print the message @qcode{"Bye bye"} when Octave exits. |
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193 |
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194 The additional argument @var{flag} will register or unregister @var{fcn} |
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195 from the list of functions to be called when Octave exits. If @var{flag} is |
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196 true, the function is registered, and if @var{flag} is false, it is |
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197 unregistered. For example, after registering the function @code{last_words} |
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198 above, |
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199 |
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200 @example |
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201 atexit ("last_words", false); |
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202 @end example |
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203 |
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204 @noindent |
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205 will remove the function from the list and Octave will not call |
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206 @code{last_words} when it exits. |
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207 |
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208 Note that @code{atexit} only removes the first occurrence of a function |
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209 from the list, so if a function was placed in the list multiple times with |
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210 @code{atexit}, it must also be removed from the list multiple times. |
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211 @seealso{quit} |
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212 @end deftypefn */) |
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213 { |
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214 int nargin = args.length (); |
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215 |
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216 if (nargin < 1 || nargin > 2) |
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217 print_usage (); |
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218 |
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219 std::string arg = args(0).xstring_value ("atexit: FCN argument must be a string"); |
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220 |
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221 bool add_mode = (nargin == 2) |
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222 ? args(1).xbool_value ("atexit: FLAG argument must be a logical value") |
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223 : true; |
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224 |
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225 octave_value_list retval; |
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226 |
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227 if (add_mode) |
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228 octave::interpreter::add_atexit_function (arg); |
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229 else |
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230 { |
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231 bool found = octave::interpreter::remove_atexit_function (arg); |
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232 |
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233 if (nargout > 0) |
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234 retval = ovl (found); |
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235 } |
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236 |
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237 return retval; |
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238 } |
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239 |
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240 namespace octave |
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241 { |
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242 // Execute commands from a file and catch potential exceptions in a consistent |
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243 // way. This function should be called anywhere we might parse and execute |
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244 // commands from a file before we have entered the main loop in |
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245 // toplev.cc. |
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246 |
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247 static int safe_source_file (const std::string& file_name, |
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248 const std::string& context = "", |
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249 bool verbose = false, |
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250 bool require_file = true, |
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251 const std::string& warn_for = "") |
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252 { |
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253 try |
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254 { |
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255 source_file (file_name, context, verbose, require_file, warn_for); |
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256 } |
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257 catch (const interrupt_exception&) |
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258 { |
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259 interpreter::recover_from_exception (); |
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260 |
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261 return 1; |
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262 } |
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263 catch (const execution_exception& e) |
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264 { |
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265 std::string stack_trace = e.info (); |
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266 |
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267 if (! stack_trace.empty ()) |
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268 std::cerr << stack_trace; |
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269 |
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270 interpreter::recover_from_exception (); |
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271 |
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272 return 1; |
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273 } |
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274 |
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275 return 0; |
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276 } |
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277 |
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278 static void initialize_version_info (void) |
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279 { |
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280 octave_value_list args; |
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281 |
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282 args(3) = OCTAVE_RELEASE_DATE; |
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283 args(2) = config::release (); |
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284 args(1) = OCTAVE_VERSION; |
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285 args(0) = "GNU Octave"; |
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286 |
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287 F__version_info__ (args, 0); |
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288 } |
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289 |
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290 static void xerbla_abort (void) |
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291 { |
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292 error ("Fortran procedure terminated by call to XERBLA"); |
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293 } |
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294 |
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295 static void initialize_xerbla_error_handler (void) |
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296 { |
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297 // The idea here is to force xerbla to be referenced so that we will |
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298 // link to our own version instead of the one provided by the BLAS |
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299 // library. But numeric_limits<double>::NaN () should never be -1, so |
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300 // we should never actually call xerbla. FIXME (again!): If this |
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301 // becomes a constant expression the test might be optimized away and |
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302 // then the reference to the function might also disappear. |
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303 |
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304 if (numeric_limits<double>::NaN () == -1) |
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305 F77_FUNC (xerbla, XERBLA) ("octave", 13 F77_CHAR_ARG_LEN (6)); |
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306 |
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307 typedef void (*xerbla_handler_ptr) (void); |
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308 |
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309 typedef void (*octave_set_xerbla_handler_ptr) (xerbla_handler_ptr); |
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310 |
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311 dynamic_library libs (""); |
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312 |
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313 if (libs) |
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314 { |
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315 octave_set_xerbla_handler_ptr octave_set_xerbla_handler |
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316 = reinterpret_cast<octave_set_xerbla_handler_ptr> |
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317 (libs.search ("octave_set_xerbla_handler")); |
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318 |
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319 if (octave_set_xerbla_handler) |
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320 octave_set_xerbla_handler (xerbla_abort); |
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321 } |
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322 } |
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323 |
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324 OCTAVE_NORETURN static void |
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325 lo_error_handler (const char *fmt, ...) |
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326 { |
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327 va_list args; |
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328 va_start (args, fmt); |
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329 verror_with_cfn (fmt, args); |
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330 va_end (args); |
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331 |
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332 octave_throw_execution_exception (); |
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333 } |
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334 |
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335 OCTAVE_NORETURN static void |
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336 lo_error_with_id_handler (const char *id, const char *fmt, ...) |
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337 { |
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338 va_list args; |
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339 va_start (args, fmt); |
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340 verror_with_id_cfn (id, fmt, args); |
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341 va_end (args); |
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342 |
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343 octave_throw_execution_exception (); |
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344 } |
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345 |
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346 static void initialize_error_handlers (void) |
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347 { |
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348 set_liboctave_error_handler (lo_error_handler); |
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349 set_liboctave_error_with_id_handler (lo_error_with_id_handler); |
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350 set_liboctave_warning_handler (warning); |
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351 set_liboctave_warning_with_id_handler (warning_with_id); |
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352 } |
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353 |
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354 // Create an interpreter object and perform initialization up to the |
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355 // point of setting reading command history and setting the load |
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356 // path. |
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357 |
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358 interpreter::interpreter (application *app_context) |
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359 : m_app_context (app_context), |
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360 m_environment (), |
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361 m_settings (), |
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362 m_help_system (*this), |
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363 m_input_system (*this), |
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364 m_output_system (*this), |
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365 m_history_system (*this), |
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366 m_dynamic_loader (*this), |
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367 m_load_path (), |
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368 m_load_save_system (*this), |
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369 m_type_info (), |
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370 m_symbol_table (*this), |
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371 m_evaluator (*this), |
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372 m_stream_list (*this), |
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373 m_child_list (), |
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374 m_url_handle_manager (), |
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375 m_cdef_manager (*this), |
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376 m_gtk_manager (), |
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377 m_interactive (false), |
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378 m_read_site_files (true), |
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379 m_read_init_files (m_app_context != nullptr), |
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380 m_verbose (false), |
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381 m_inhibit_startup_message (false), |
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382 m_load_path_initialized (false), |
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383 m_history_initialized (false), |
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384 m_initialized (false) |
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385 { |
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386 // FIXME: When thread_local storage is used by default, this message |
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387 // should change to say something like |
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388 // |
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389 // only one Octave interpreter may be active in any given thread |
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390 |
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391 if (instance) |
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392 throw std::runtime_error |
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393 ("only one Octave interpreter may be active"); |
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394 |
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395 instance = this; |
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396 |
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397 // Matlab uses "C" locale for LC_NUMERIC class regardless of local setting |
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398 setlocale (LC_NUMERIC, "C"); |
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399 setlocale (LC_TIME, "C"); |
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400 sys::env::putenv ("LC_NUMERIC", "C"); |
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401 sys::env::putenv ("LC_TIME", "C"); |
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402 |
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403 // Initialize the default floating point unit control state. |
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404 octave_set_default_fpucw (); |
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405 |
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406 thread::init (); |
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407 |
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408 // Initialize default warning state before --traditional option |
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409 // that may reset them. |
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410 |
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411 initialize_default_warning_state (); |
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412 |
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413 octave_ieee_init (); |
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414 |
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415 initialize_xerbla_error_handler (); |
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416 |
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417 initialize_error_handlers (); |
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418 |
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419 if (m_app_context) |
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420 install_signal_handlers (); |
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421 else |
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422 quit_allowed = false; |
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423 |
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424 bool line_editing = false; |
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425 bool traditional = false; |
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426 |
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427 if (m_app_context) |
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428 { |
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429 // Embedded interpeters don't execute command line options. |
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430 const cmdline_options& options = m_app_context->options (); |
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431 |
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432 // Make all command-line arguments available to startup files, |
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433 // including PKG_ADD files. |
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434 |
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435 string_vector args = options.all_args (); |
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436 |
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437 m_app_context->intern_argv (args); |
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438 intern_nargin (args.numel () - 1); |
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439 |
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440 bool is_octave_program = m_app_context->is_octave_program (); |
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441 |
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442 std::list<std::string> command_line_path = options.command_line_path (); |
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443 |
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444 for (const auto& pth : command_line_path) |
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445 m_load_path.set_command_line_path (pth); |
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446 |
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447 std::string exec_path = options.exec_path (); |
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448 if (! exec_path.empty ()) |
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449 m_environment.exec_path (exec_path); |
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450 |
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451 std::string image_path = options.image_path (); |
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452 if (! image_path.empty ()) |
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453 m_environment.image_path (image_path); |
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454 |
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455 if (options.no_window_system ()) |
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456 display_info::no_window_system (); |
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457 |
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458 // Is input coming from a terminal? If so, we are probably |
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459 // interactive. |
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460 |
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461 // If stdin is not a tty, then we are reading commands from a |
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462 // pipe or a redirected file. |
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463 bool stdin_is_tty = octave_isatty_wrapper (fileno (stdin)); |
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464 |
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465 m_interactive = (! is_octave_program && stdin_is_tty |
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466 && octave_isatty_wrapper (fileno (stdout))); |
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467 |
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468 // Check if the user forced an interactive session. |
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469 if (options.forced_interactive ()) |
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470 m_interactive = true; |
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471 |
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472 line_editing = options.line_editing (); |
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473 if ((! m_interactive || options.forced_interactive ()) |
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474 && ! options.forced_line_editing ()) |
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475 line_editing = false; |
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476 |
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477 traditional = options.traditional (); |
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478 |
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479 // FIXME: if possible, perform the following actions directly |
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480 // instead of using the interpreter-level functions. |
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481 |
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482 if (options.echo_commands ()) |
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483 m_evaluator.echo |
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484 (tree_evaluator::ECHO_SCRIPTS | tree_evaluator::ECHO_FUNCTIONS |
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485 | tree_evaluator::ECHO_ALL); |
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486 |
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487 std::string docstrings_file = options.docstrings_file (); |
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488 if (! docstrings_file.empty ()) |
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489 Fbuilt_in_docstrings_file (*this, octave_value (docstrings_file)); |
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490 |
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491 std::string doc_cache_file = options.doc_cache_file (); |
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492 if (! doc_cache_file.empty ()) |
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493 Fdoc_cache_file (*this, octave_value (doc_cache_file)); |
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494 |
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495 std::string info_file = options.info_file (); |
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496 if (! info_file.empty ()) |
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497 Finfo_file (*this, octave_value (info_file)); |
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498 |
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499 std::string info_program = options.info_program (); |
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500 if (! info_program.empty ()) |
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501 Finfo_program (*this, octave_value (info_program)); |
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502 |
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503 if (options.debug_jit ()) |
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504 Fdebug_jit (octave_value (true)); |
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505 |
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506 if (options.jit_compiler ()) |
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507 Fjit_enable (octave_value (true)); |
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508 |
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509 std::string texi_macros_file = options.texi_macros_file (); |
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510 if (! texi_macros_file.empty ()) |
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511 Ftexi_macros_file (*this, octave_value (texi_macros_file)); |
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512 } |
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513 |
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514 m_input_system.initialize (line_editing); |
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515 |
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516 // These can come after command line args since none of them set any |
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517 // defaults that might be changed by command line options. |
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518 |
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519 initialize_version_info (); |
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520 |
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521 // This should be done before initializing the load path because |
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522 // some PKG_ADD files might need --traditional behavior. |
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523 |
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524 if (traditional) |
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525 maximum_braindamage (); |
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526 |
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527 octave_interpreter_ready = true; |
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528 } |
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529 |
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530 OCTAVE_THREAD_LOCAL interpreter *interpreter::instance = nullptr; |
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531 |
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532 interpreter::~interpreter (void) |
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533 { |
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534 cleanup (); |
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535 } |
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536 |
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537 void interpreter::intern_nargin (octave_idx_type nargs) |
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538 { |
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539 m_evaluator.set_auto_fcn_var (stack_frame::NARGIN, nargs); |
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540 } |
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541 |
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542 // Read the history file unless a command-line option inhibits that. |
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543 |
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544 void interpreter::initialize_history (bool read_history_file) |
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545 { |
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546 if (! m_history_initialized) |
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547 { |
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548 // Allow command-line option to override. |
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549 |
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550 if (m_app_context) |
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551 { |
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552 const cmdline_options& options = m_app_context->options (); |
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553 |
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554 read_history_file = options.read_history_file (); |
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555 |
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556 if (! read_history_file) |
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557 command_history::ignore_entries (); |
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558 } |
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559 |
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560 m_history_system.initialize (read_history_file); |
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561 |
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562 if (! m_app_context) |
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563 command_history::ignore_entries (); |
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564 |
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565 m_history_initialized = true; |
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566 } |
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567 } |
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568 |
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569 // Set the initial path to the system default unless command-line |
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570 // option says to leave it empty. |
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571 |
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572 void interpreter::initialize_load_path (bool set_initial_path) |
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573 { |
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574 if (! m_load_path_initialized) |
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575 { |
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576 // Allow command-line option to override. |
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577 |
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578 if (m_app_context) |
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579 { |
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580 const cmdline_options& options = m_app_context->options (); |
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581 |
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582 set_initial_path = options.set_initial_path (); |
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583 } |
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584 |
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585 // Temporarily set the execute_pkg_add function to one that |
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586 // catches exceptions. This is better than wrapping |
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587 // load_path::initialize in a try-catch block because it will |
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588 // not stop executing PKG_ADD files at the first exception. |
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589 // It's also better than changing the default execute_pkg_add |
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590 // function to use safe_source file because that will normally |
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591 // be evaluated from the normal intepreter loop where exceptions |
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592 // are already handled. |
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|
593 |
23696
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594 unwind_protect frame; |
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595 |
23438
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23435
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|
596 frame.add_method (m_load_path, &load_path::set_add_hook, |
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597 m_load_path.get_add_hook ()); |
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598 |
25345
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599 m_load_path.set_add_hook ([this] (const std::string& dir) |
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600 { this->execute_pkg_add (dir); }); |
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601 |
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602 m_load_path.initialize (set_initial_path); |
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603 |
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604 m_load_path_initialized = true; |
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605 } |
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606 } |
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607 |
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608 // This may be called separately from execute |
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609 |
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610 void interpreter::initialize (void) |
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611 { |
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612 if (m_initialized) |
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613 return; |
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614 |
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615 display_startup_message (); |
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616 |
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617 // Wait to read the history file until the interpreter reads input |
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618 // files and begins evaluating commands. |
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619 |
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620 initialize_history (); |
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621 |
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622 // Initializing the load path may execute PKG_ADD files, so can't be |
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623 // done until the interpreter is ready to execute commands. |
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624 |
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625 // Deferring it to the execute step also allows the path to be |
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626 // initialized between creating and execute the interpreter, for |
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627 // example, to set a custom path for an embedded interpreter. |
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628 |
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629 initialize_load_path (); |
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630 |
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631 m_initialized = true; |
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632 } |
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633 |
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634 // FIXME: this function is intended to be executed only once. Should |
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635 // we enforce that restriction? |
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636 |
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637 int interpreter::execute (void) |
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638 { |
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639 try |
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640 { |
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641 initialize (); |
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642 |
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643 // We ignore errors in startup files. |
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644 |
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645 execute_startup_files (); |
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646 |
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647 int exit_status = 0; |
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648 |
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649 if (m_app_context) |
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650 { |
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651 const cmdline_options& options = m_app_context->options (); |
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652 |
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653 if (m_app_context->have_eval_option_code ()) |
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654 { |
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655 int status = execute_eval_option_code (); |
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656 |
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657 if (status ) |
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658 exit_status = status; |
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659 |
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660 if (! options.persist ()) |
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661 return exit_status; |
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662 } |
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663 |
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664 // If there is an extra argument, see if it names a file to |
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665 // read. Additional arguments are taken as command line options |
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666 // for the script. |
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667 |
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668 if (m_app_context->have_script_file ()) |
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669 { |
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670 int status = execute_command_line_file (); |
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671 |
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672 if (status) |
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673 exit_status = status; |
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674 |
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675 if (! options.persist ()) |
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676 return exit_status; |
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677 } |
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678 |
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679 if (options.forced_interactive ()) |
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680 command_editor::blink_matching_paren (false); |
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681 } |
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682 |
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683 // Avoid counting commands executed from startup or script files. |
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684 |
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685 command_editor::reset_current_command_number (1); |
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686 |
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687 return main_loop (); |
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688 } |
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689 catch (const exit_exception& ex) |
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690 { |
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691 return ex.exit_status (); |
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692 } |
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693 } |
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694 |
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695 void interpreter::display_startup_message (void) const |
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696 { |
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697 bool inhibit_startup_message = false; |
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698 |
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699 if (m_app_context) |
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700 { |
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701 const cmdline_options& options = m_app_context->options (); |
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702 |
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703 inhibit_startup_message = options.inhibit_startup_message (); |
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704 } |
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705 |
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706 if (m_interactive && ! inhibit_startup_message) |
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707 std::cout << octave_startup_message () << "\n" << std::endl; |
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708 } |
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709 |
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710 // Initialize by reading startup files. Return non-zero if an exception |
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711 // occurs when reading any of them, but don't exit early because of an |
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712 // exception. |
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713 |
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714 int interpreter::execute_startup_files (void) const |
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715 { |
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716 bool read_site_files = m_read_site_files; |
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717 bool read_init_files = m_read_init_files; |
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718 bool verbose = m_verbose; |
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719 bool inhibit_startup_message = m_inhibit_startup_message; |
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720 |
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721 if (m_app_context) |
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722 { |
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723 const cmdline_options& options = m_app_context->options (); |
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724 |
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725 read_site_files = options.read_site_files (); |
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726 read_init_files = options.read_init_files (); |
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727 verbose = options.verbose_flag (); |
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728 inhibit_startup_message = options.inhibit_startup_message (); |
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729 } |
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730 |
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731 verbose = (verbose && ! inhibit_startup_message); |
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732 |
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733 bool require_file = false; |
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734 |
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735 std::string context; |
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736 |
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737 int exit_status = 0; |
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738 |
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739 if (read_site_files) |
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740 { |
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741 // Execute commands from the site-wide configuration file. |
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742 // First from the file $(prefix)/lib/octave/site/m/octaverc |
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743 // (if it exists), then from the file |
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744 // $(prefix)/share/octave/$(version)/m/octaverc (if it exists). |
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745 |
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746 int status = safe_source_file (config::local_site_defaults_file (), |
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747 context, verbose, require_file); |
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748 |
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749 if (status) |
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750 exit_status = status; |
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751 |
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752 status = safe_source_file (config::site_defaults_file (), |
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753 context, verbose, require_file); |
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754 |
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755 if (status) |
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756 exit_status = status; |
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757 } |
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758 |
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759 if (read_init_files) |
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760 { |
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761 // Try to execute commands from $HOME/$OCTAVE_INITFILE and |
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762 // $OCTAVE_INITFILE. If $OCTAVE_INITFILE is not set, |
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763 // .octaverc is assumed. |
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764 |
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765 bool home_rc_already_executed = false; |
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766 |
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767 std::string initfile = sys::env::getenv ("OCTAVE_INITFILE"); |
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768 |
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769 if (initfile.empty ()) |
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770 initfile = ".octaverc"; |
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771 |
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772 std::string home_dir = sys::env::get_home_directory (); |
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773 |
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774 std::string home_rc = sys::env::make_absolute (initfile, home_dir); |
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775 |
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776 std::string local_rc; |
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777 |
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778 if (! home_rc.empty ()) |
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779 { |
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780 int status = safe_source_file (home_rc, context, verbose, |
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781 require_file); |
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782 |
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783 if (status) |
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784 exit_status = status; |
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785 |
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786 // Names alone are not enough. |
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787 |
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788 sys::file_stat fs_home_rc (home_rc); |
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789 |
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790 if (fs_home_rc) |
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791 { |
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792 // We want to check for curr_dir after executing home_rc |
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793 // because doing that may change the working directory. |
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794 |
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795 local_rc = sys::env::make_absolute (initfile); |
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796 |
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797 home_rc_already_executed = same_file (home_rc, local_rc); |
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798 } |
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799 } |
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800 |
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801 if (! home_rc_already_executed) |
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802 { |
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803 if (local_rc.empty ()) |
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804 local_rc = sys::env::make_absolute (initfile); |
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805 |
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806 int status = safe_source_file (local_rc, context, verbose, |
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807 require_file); |
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808 |
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809 if (status) |
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810 exit_status = status; |
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811 } |
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812 } |
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813 |
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814 if (m_interactive && verbose) |
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815 std::cout << std::endl; |
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816 |
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817 return exit_status; |
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818 } |
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819 |
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820 // Execute any code specified with --eval 'CODE' |
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821 |
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822 int interpreter::execute_eval_option_code (void) |
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823 { |
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824 const cmdline_options& options = m_app_context->options (); |
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825 |
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826 std::string code_to_eval = options.code_to_eval (); |
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827 |
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828 unwind_protect frame; |
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829 |
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830 octave_save_signal_mask (); |
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831 |
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832 can_interrupt = true; |
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833 |
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834 octave_signal_hook = respond_to_pending_signals; |
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835 octave_interrupt_hook = nullptr; |
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836 octave_bad_alloc_hook = nullptr; |
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837 |
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838 catch_interrupts (); |
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839 |
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840 octave_initialized = true; |
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841 |
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842 frame.add_method (this, &interpreter::interactive, m_interactive); |
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843 |
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844 m_interactive = false; |
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845 |
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846 int parse_status = 0; |
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847 |
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848 try |
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849 { |
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850 eval_string (code_to_eval, false, parse_status, 0); |
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851 } |
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852 catch (const interrupt_exception&) |
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|
853 { |
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|
854 recover_from_exception (); |
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855 |
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856 return 1; |
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857 } |
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|
858 catch (const execution_exception&) |
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859 { |
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|
860 recover_from_exception (); |
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|
861 |
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862 return 1; |
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863 } |
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|
864 |
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865 return parse_status; |
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|
866 } |
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867 |
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868 int interpreter::execute_command_line_file (void) |
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869 { |
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870 const cmdline_options& options = m_app_context->options (); |
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871 |
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872 unwind_protect frame; |
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|
873 |
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|
874 octave_save_signal_mask (); |
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|
875 |
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876 can_interrupt = true; |
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|
877 |
24520
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|
878 octave_signal_hook = respond_to_pending_signals; |
23795
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879 octave_interrupt_hook = nullptr; |
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Use C++11 nullptr rather than 0 in code (bug #51565).
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880 octave_bad_alloc_hook = nullptr; |
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881 |
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882 catch_interrupts (); |
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883 |
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884 octave_initialized = true; |
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885 |
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886 frame.add_method (this, &interpreter::interactive, m_interactive); |
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887 |
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888 string_vector args = options.all_args (); |
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889 |
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890 frame.add_method (m_app_context, &application::intern_argv, args); |
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891 |
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892 frame.add_method (this, &interpreter::intern_nargin, args.numel () - 1); |
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893 |
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894 frame.add_method (m_app_context, |
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895 &application::program_invocation_name, |
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896 application::program_invocation_name ()); |
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|
897 |
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|
898 frame.add_method (m_app_context, |
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|
899 &application::program_name, |
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|
900 application::program_name ()); |
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|
901 |
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|
902 m_interactive = false; |
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|
903 |
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|
904 // If we are running an executable script (#! /bin/octave) then |
373771419d51
refactor interpreter::execute
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905 // we should only see the args passed to the script. |
373771419d51
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|
906 |
373771419d51
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diff
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|
907 string_vector script_args = options.remaining_args (); |
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|
908 |
373771419d51
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parents:
23100
diff
changeset
|
909 m_app_context->intern_argv (script_args); |
23599
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don't use singleton for symbol_table
John W. Eaton <jwe@octave.org>
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|
910 intern_nargin (script_args.numel () - 1); |
23102
373771419d51
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John W. Eaton <jwe@octave.org>
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diff
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|
911 |
373771419d51
refactor interpreter::execute
John W. Eaton <jwe@octave.org>
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|
912 std::string fname = script_args[0]; |
373771419d51
refactor interpreter::execute
John W. Eaton <jwe@octave.org>
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diff
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|
913 |
22094
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|
914 m_app_context->set_program_names (fname); |
9203833cab7d
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changeset
|
915 |
9203833cab7d
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|
916 std::string context; |
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|
917 bool verbose = false; |
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John W. Eaton <jwe@octave.org>
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|
918 bool require_file = true; |
9203833cab7d
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John W. Eaton <jwe@octave.org>
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diff
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|
919 |
23087
9f406f0b36da
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23084
diff
changeset
|
920 return safe_source_file (fname, context, verbose, require_file, "octave"); |
22094
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parents:
diff
changeset
|
921 } |
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diff
changeset
|
922 |
9203833cab7d
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changeset
|
923 int interpreter::main_loop (void) |
9203833cab7d
move new interpreter class to separate file
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parents:
diff
changeset
|
924 { |
23111
252975fdc444
more refactoring of interpreter and application classes
John W. Eaton <jwe@octave.org>
parents:
23110
diff
changeset
|
925 if (! m_app_context) |
23104
2805cc365a86
fix thinko in previous change
John W. Eaton <jwe@octave.org>
parents:
23102
diff
changeset
|
926 return 0; |
2805cc365a86
fix thinko in previous change
John W. Eaton <jwe@octave.org>
parents:
23102
diff
changeset
|
927 |
22094
9203833cab7d
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parents:
diff
changeset
|
928 octave_save_signal_mask (); |
9203833cab7d
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parents:
diff
changeset
|
929 |
23696
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
930 can_interrupt = true; |
22094
9203833cab7d
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
931 |
24520
c5c11b07598a
refactor signal handling (bug #52757)
John W. Eaton <jwe@octave.org>
parents:
24361
diff
changeset
|
932 octave_signal_hook = respond_to_pending_signals; |
23795
980f39c3ab90
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents:
23775
diff
changeset
|
933 octave_interrupt_hook = nullptr; |
980f39c3ab90
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents:
23775
diff
changeset
|
934 octave_bad_alloc_hook = nullptr; |
22094
9203833cab7d
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John W. Eaton <jwe@octave.org>
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changeset
|
935 |
23696
08036a7f3660
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
936 catch_interrupts (); |
22094
9203833cab7d
move new interpreter class to separate file
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
937 |
9203833cab7d
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John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
938 octave_initialized = true; |
9203833cab7d
move new interpreter class to separate file
John W. Eaton <jwe@octave.org>
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diff
changeset
|
939 |
9203833cab7d
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
940 // The big loop. |
9203833cab7d
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
941 |
25404
e37d857716c3
move core of interpreter::main_loop to evaluator
John W. Eaton <jwe@octave.org>
parents:
25403
diff
changeset
|
942 return m_evaluator.repl (application::interactive ()); |
22094
9203833cab7d
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parents:
diff
changeset
|
943 } |
9203833cab7d
move new interpreter class to separate file
John W. Eaton <jwe@octave.org>
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diff
changeset
|
944 |
23106
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
945 // Call a function with exceptions handled to avoid problems with |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
946 // errors while shutting down. |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
947 |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
948 #define OCTAVE_IGNORE_EXCEPTION(E) \ |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
949 catch (E) \ |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
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23105
diff
changeset
|
950 { \ |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
951 recover_from_exception (); \ |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
952 \ |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
953 std::cerr << "error: ignoring " #E " while preparing to exit" \ |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
954 << std::endl; \ |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
955 } |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
956 |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
957 #define OCTAVE_SAFE_CALL(F, ARGS) \ |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
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23105
diff
changeset
|
958 do \ |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
959 { \ |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
960 try \ |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
961 { \ |
23696
08036a7f3660
remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents:
23694
diff
changeset
|
962 unwind_protect frame; \ |
23106
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
963 \ |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
964 frame.protect_var (Vdebug_on_error); \ |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
965 frame.protect_var (Vdebug_on_warning); \ |
1a53f9d42ec1
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John W. Eaton <jwe@octave.org>
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23105
diff
changeset
|
966 \ |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
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changeset
|
967 Vdebug_on_error = false; \ |
1a53f9d42ec1
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23105
diff
changeset
|
968 Vdebug_on_warning = false; \ |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
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23105
diff
changeset
|
969 \ |
1a53f9d42ec1
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John W. Eaton <jwe@octave.org>
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23105
diff
changeset
|
970 F ARGS; \ |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
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23105
diff
changeset
|
971 } \ |
23696
08036a7f3660
remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
changeset
|
972 OCTAVE_IGNORE_EXCEPTION (const exit_exception&) \ |
08036a7f3660
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
973 OCTAVE_IGNORE_EXCEPTION (const interrupt_exception&) \ |
08036a7f3660
remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
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23694
diff
changeset
|
974 OCTAVE_IGNORE_EXCEPTION (const execution_exception&) \ |
23106
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
975 OCTAVE_IGNORE_EXCEPTION (const std::bad_alloc&) \ |
1a53f9d42ec1
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diff
changeset
|
976 } \ |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
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23105
diff
changeset
|
977 while (0) |
1a53f9d42ec1
move OCTAVE_SAFE_CALL macro out of header file
John W. Eaton <jwe@octave.org>
parents:
23105
diff
changeset
|
978 |
23087
9f406f0b36da
rework clean_up_and_exit (bug #50068)
John W. Eaton <jwe@octave.org>
parents:
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979 void interpreter::cleanup (void) |
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980 { |
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981 // If we are attached to a GUI, process pending events and |
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982 // disconnect the link. |
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983 |
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984 octave_link::process_events (true); |
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985 octave_link::disconnect_link (); |
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986 |
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987 OCTAVE_SAFE_CALL (m_input_system.clear_input_event_hooks, ()); |
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988 |
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989 while (! atexit_functions.empty ()) |
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990 { |
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991 std::string fcn = atexit_functions.front (); |
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992 |
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993 atexit_functions.pop_front (); |
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994 |
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995 OCTAVE_SAFE_CALL (reset_error_handler, ()); |
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996 |
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997 OCTAVE_SAFE_CALL (feval, (fcn, octave_value_list (), 0)); |
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998 |
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999 OCTAVE_SAFE_CALL (flush_stdout, ()); |
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1000 } |
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1001 |
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1002 // Do this explicitly so that destructors for mex file objects |
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1003 // are called, so that functions registered with mexAtExit are |
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1004 // called. |
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1005 OCTAVE_SAFE_CALL (m_symbol_table.clear_mex_functions, ()); |
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1006 |
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1007 OCTAVE_SAFE_CALL (command_editor::restore_terminal_state, ()); |
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1008 |
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1009 OCTAVE_SAFE_CALL (m_history_system.write_timestamp, ()); |
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1010 |
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1011 if (! command_history::ignoring_entries ()) |
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1012 OCTAVE_SAFE_CALL (command_history::clean_up_and_save, ()); |
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1013 |
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1014 OCTAVE_SAFE_CALL (gh_manager::close_all_figures, ()); |
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1015 |
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1016 m_gtk_manager.unload_all_toolkits (); |
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1017 |
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1018 OCTAVE_SAFE_CALL (cleanup_tmp_files, ()); |
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1019 |
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1020 // FIXME: May still need something like this to ensure that |
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1021 // destructors for class objects will run properly. Should that be |
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1022 // done earlier? Before or after atexit functions are executed? |
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1023 m_symbol_table.cleanup (); |
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1024 |
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1025 OCTAVE_SAFE_CALL (sysdep_cleanup, ()); |
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1026 |
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1027 OCTAVE_SAFE_CALL (flush_stdout, ()); |
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1028 |
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1029 // Don't call singleton_cleanup_list::cleanup until we have the |
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1030 // problems with registering/unregistering types worked out. For |
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1031 // example, uncomment the following line, then use the make_int |
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1032 // function from the examples directory to create an integer |
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1033 // object and then exit Octave. Octave should crash with a |
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1034 // segfault when cleaning up the typinfo singleton. We need some |
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1035 // way to force new octave_value_X types that are created in |
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1036 // .oct files to be unregistered when the .oct file shared library |
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1037 // is unloaded. |
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1038 // |
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1039 // OCTAVE_SAFE_CALL (singleton_cleanup_list::cleanup, ()); |
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1040 } |
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1041 |
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1042 tree_evaluator& interpreter::get_evaluator (void) |
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1043 { |
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1044 return m_evaluator; |
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1045 } |
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|
1046 |
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1047 stream_list& interpreter::get_stream_list (void) |
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|
1048 { |
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|
1049 return m_stream_list; |
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1050 } |
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diff
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|
1051 |
23742
1f0daaf81955
don't use singleton for ch_manager, rename to url_handle_manager
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1052 url_handle_manager& interpreter::get_url_handle_manager (void) |
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|
1053 { |
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|
1054 return m_url_handle_manager; |
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1055 } |
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|
1056 |
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|
1057 symbol_scope |
26661
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1058 interpreter::get_top_scope (void) const |
23609
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|
1059 { |
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1060 return m_evaluator.get_top_scope (); |
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1061 } |
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|
1062 |
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1063 symbol_scope |
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1064 interpreter::get_current_scope (void) const |
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1065 { |
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|
1066 return m_evaluator.get_current_scope (); |
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1067 } |
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|
1068 |
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|
1069 symbol_scope |
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1070 interpreter::require_current_scope (const std::string& who) const |
23609
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1071 { |
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1072 symbol_scope scope = get_current_scope (); |
23609
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|
1073 |
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diff
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|
1074 if (! scope) |
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|
1075 error ("%s: symbol table scope missing", who.c_str ()); |
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|
1076 |
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|
1077 return scope; |
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|
1078 } |
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diff
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|
1079 |
23553
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1080 call_stack& interpreter::get_call_stack (void) |
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1081 { |
23630
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1082 return m_evaluator.get_call_stack (); |
23553
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|
1083 } |
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|
1084 |
23753
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changeset
|
1085 profiler& interpreter::get_profiler (void) |
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|
1086 { |
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|
1087 return m_evaluator.get_profiler (); |
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|
1088 } |
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|
1089 |
23703
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|
1090 void interpreter::mlock (void) |
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1091 { |
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|
1092 call_stack& cs = get_call_stack (); |
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1093 |
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changeset
|
1094 octave_function *fcn = cs.current (); |
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1095 |
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1096 if (! fcn) |
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|
1097 error ("mlock: invalid use outside a function"); |
6eb5f6199a5a
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|
1098 |
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|
1099 fcn->lock (); |
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1100 } |
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1101 |
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1102 void interpreter::munlock (const std::string& nm) |
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1103 { |
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1104 octave_value val = m_symbol_table.find_function (nm); |
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1105 |
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1106 if (val.is_defined ()) |
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1107 { |
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1108 octave_function *fcn = val.function_value (); |
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1109 |
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1110 if (fcn) |
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1111 fcn->unlock (); |
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1112 } |
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1113 } |
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1114 |
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1115 bool interpreter::mislocked (const std::string& nm) |
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1116 { |
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1117 bool retval = false; |
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1118 |
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1119 octave_value val = m_symbol_table.find_function (nm); |
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1120 |
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1121 if (val.is_defined ()) |
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1122 { |
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1123 octave_function *fcn = val.function_value (); |
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1124 |
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1125 if (fcn) |
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1126 retval = fcn->islocked (); |
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1127 } |
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1128 |
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1129 return retval; |
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1130 } |
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1131 |
26113
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1132 octave_value_list interpreter::eval_string (const std::string& eval_str, |
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1133 bool silent, int& parse_status, |
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1134 int nargout) |
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1135 { |
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1136 return m_evaluator.eval_string (eval_str, silent, parse_status, nargout); |
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1137 } |
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1138 |
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1139 octave_value interpreter::eval_string (const std::string& eval_str, |
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1140 bool silent, int& parse_status) |
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1141 { |
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1142 return m_evaluator.eval_string (eval_str, silent, parse_status); |
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1143 } |
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1144 |
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1145 octave_value_list interpreter::eval_string (const octave_value& arg, |
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1146 bool silent, int& parse_status, |
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1147 int nargout) |
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1148 { |
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1149 return m_evaluator.eval_string (arg, silent, parse_status, nargout); |
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1150 } |
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1151 |
26661
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1152 void interpreter::install_variable (const std::string& name, |
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1153 const octave_value& value, bool global) |
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1154 { |
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|
1155 m_evaluator.install_variable (name, value, global); |
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1156 } |
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|
1157 |
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1158 octave_value interpreter::global_varval (const std::string& name) const |
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1159 { |
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1160 return m_evaluator.global_varval (name); |
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1161 } |
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|
1162 |
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1163 void interpreter::global_assign (const std::string& name, |
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1164 const octave_value& val) |
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1165 { |
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|
1166 m_evaluator.global_assign (name, val); |
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1167 } |
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|
1168 |
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1169 octave_value interpreter::top_level_varval (const std::string& name) const |
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|
1170 { |
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|
1171 return m_evaluator.top_level_varval (name); |
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1172 } |
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|
1173 |
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|
1174 void interpreter::top_level_assign (const std::string& name, |
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1175 const octave_value& val) |
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1176 { |
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|
1177 m_evaluator.top_level_assign (name, val); |
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1178 } |
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1179 |
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1180 bool interpreter::is_variable (const std::string& name) const |
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1181 { |
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1182 return m_evaluator.is_variable (name); |
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1183 } |
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1184 |
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1185 bool interpreter::is_local_variable (const std::string& name) const |
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1186 { |
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1187 return m_evaluator.is_local_variable (name); |
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1188 } |
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1189 |
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1190 octave_value interpreter::varval (const std::string& name) const |
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1191 { |
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1192 return m_evaluator.varval (name); |
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1193 } |
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1194 |
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1195 void interpreter::assign (const std::string& name, |
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1196 const octave_value& val) |
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1197 { |
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1198 m_evaluator.assign (name, val); |
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1199 } |
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1200 |
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1201 bool interpreter::at_top_level (void) const |
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1202 { |
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1203 return m_evaluator.at_top_level (); |
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1204 } |
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1205 |
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1206 bool interpreter::isglobal (const std::string& name) const |
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1207 { |
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1208 return m_evaluator.is_global (name); |
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1209 } |
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1210 |
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1211 octave_value interpreter::find (const std::string& name) |
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1212 { |
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1213 return m_evaluator.find (name); |
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1214 } |
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1215 |
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1216 void interpreter::clear_all (bool force) |
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|
1217 { |
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1218 m_evaluator.clear_all (force); |
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1219 } |
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|
1220 |
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1221 void interpreter::clear_objects (void) |
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1222 { |
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|
1223 m_evaluator.clear_objects (); |
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1224 } |
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|
1225 |
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1226 void interpreter::clear_variable (const std::string& name) |
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|
1227 { |
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|
1228 m_evaluator.clear_variable (name); |
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|
1229 } |
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|
1230 |
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1231 void interpreter::clear_variable_pattern (const std::string& pattern) |
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1232 { |
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|
1233 m_evaluator.clear_variable_pattern (pattern); |
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1234 } |
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1235 |
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1236 void interpreter::clear_variable_regexp (const std::string& pattern) |
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1237 { |
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|
1238 m_evaluator.clear_variable_regexp (pattern); |
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1239 } |
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|
1240 |
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|
1241 void interpreter::clear_variables (void) |
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|
1242 { |
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|
1243 m_evaluator.clear_variables (); |
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1244 } |
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|
1245 |
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|
1246 void interpreter::clear_global_variable (const std::string& name) |
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|
1247 { |
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|
1248 m_evaluator.clear_global_variable (name); |
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1249 } |
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|
1250 |
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1251 void interpreter::clear_global_variable_pattern (const std::string& pattern) |
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|
1252 { |
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|
1253 m_evaluator.clear_global_variable_pattern (pattern); |
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|
1254 } |
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|
1255 |
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|
1256 void interpreter::clear_global_variable_regexp (const std::string& pattern) |
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|
1257 { |
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|
1258 m_evaluator.clear_global_variable_regexp (pattern); |
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1259 } |
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|
1260 |
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|
1261 void interpreter::clear_global_variables (void) |
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|
1262 { |
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|
1263 m_evaluator.clear_global_variables (); |
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1264 } |
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|
1265 |
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|
1266 void interpreter::clear_functions (bool force) |
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|
1267 { |
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|
1268 m_symbol_table.clear_functions (force); |
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1269 } |
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|
1270 |
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1271 void interpreter::clear_function (const std::string& name) |
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1272 { |
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|
1273 m_symbol_table.clear_function (name); |
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1274 } |
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|
1275 |
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1276 void interpreter::clear_symbol (const std::string& name) |
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1277 { |
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1278 m_evaluator.clear_symbol (name); |
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1279 } |
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|
1280 |
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1281 void interpreter::clear_function_pattern (const std::string& pat) |
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|
1282 { |
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|
1283 m_symbol_table.clear_function_pattern (pat); |
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1284 } |
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|
1285 |
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|
1286 void interpreter::clear_function_regexp (const std::string& pat) |
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1287 { |
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|
1288 m_symbol_table.clear_function_regexp (pat); |
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1289 } |
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|
1290 |
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|
1291 void interpreter::clear_symbol_pattern (const std::string& pat) |
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1292 { |
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|
1293 return m_evaluator.clear_symbol_pattern (pat); |
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1294 } |
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|
1295 |
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|
1296 void interpreter::clear_symbol_regexp (const std::string& pat) |
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1297 { |
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|
1298 return m_evaluator.clear_symbol_regexp (pat); |
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1299 } |
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|
1300 |
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1301 std::list<std::string> interpreter::global_variable_names (void) |
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1302 { |
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1303 return m_evaluator.global_variable_names (); |
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1304 } |
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1305 |
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1306 std::list<std::string> interpreter::variable_names (void) |
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1307 { |
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1308 return m_evaluator.variable_names (); |
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1309 } |
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1310 |
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1311 std::list<std::string> interpreter::user_function_names (void) |
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1312 { |
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1313 return m_symbol_table.user_function_names (); |
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1314 } |
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1315 |
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1316 void interpreter::recover_from_exception (void) |
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1317 { |
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1318 can_interrupt = true; |
23110
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1319 octave_interrupt_state = 0; |
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1320 octave_signal_caught = 0; |
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1321 octave_exception_state = octave_no_exception; |
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1322 octave_restore_signal_mask (); |
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1323 catch_interrupts (); |
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1324 } |
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1325 |
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1326 // Functions to call when the interpreter exits. |
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1327 |
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1328 std::list<std::string> interpreter::atexit_functions; |
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1329 |
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1330 void interpreter::add_atexit_function (const std::string& fname) |
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1331 { |
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|
1332 atexit_functions.push_front (fname); |
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1333 } |
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|
1334 |
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1335 bool interpreter::remove_atexit_function (const std::string& fname) |
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1336 { |
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1337 bool found = false; |
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1338 |
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1339 for (auto it = atexit_functions.begin (); |
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1340 it != atexit_functions.end (); it++) |
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1341 { |
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1342 if (*it == fname) |
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1343 { |
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1344 atexit_functions.erase (it); |
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1345 found = true; |
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1346 break; |
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1347 } |
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1348 } |
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1349 |
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1350 return found; |
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1351 } |
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1352 |
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1353 // What internal options get configured by --traditional. |
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1354 |
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1355 void interpreter::maximum_braindamage (void) |
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1356 { |
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1357 m_input_system.PS1 (">> "); |
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1358 m_input_system.PS2 (""); |
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1359 |
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1360 m_evaluator.PS4 (""); |
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1361 |
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1362 m_load_save_system.crash_dumps_octave_core (false); |
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1363 m_load_save_system.save_default_options ("-mat-binary"); |
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1364 |
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1365 m_history_system.timestamp_format_string ("%%-- %D %I:%M %p --%%"); |
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1366 |
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1367 Fbeep_on_error (octave_value (true)); |
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1368 Fconfirm_recursive_rmdir (octave_value (false)); |
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1369 |
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1370 Fdisable_diagonal_matrix (octave_value (true)); |
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1371 Fdisable_permutation_matrix (octave_value (true)); |
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1372 Fdisable_range (octave_value (true)); |
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1373 Ffixed_point_format (octave_value (true)); |
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1374 Fprint_empty_dimensions (octave_value (false)); |
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1375 Fstruct_levels_to_print (octave_value (0)); |
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1376 |
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1377 disable_warning ("Octave:abbreviated-property-match"); |
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1378 disable_warning ("Octave:data-file-in-path"); |
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1379 disable_warning ("Octave:function-name-clash"); |
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1380 disable_warning ("Octave:possible-matlab-short-circuit-operator"); |
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1381 } |
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1382 |
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1383 void interpreter::execute_pkg_add (const std::string& dir) |
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1384 { |
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1385 try |
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1386 { |
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1387 m_load_path.execute_pkg_add (dir); |
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1388 } |
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1389 catch (const octave::interrupt_exception&) |
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1390 { |
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1391 octave::interpreter::recover_from_exception (); |
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1392 } |
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1393 catch (const octave::execution_exception&) |
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1394 { |
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1395 octave::interpreter::recover_from_exception (); |
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1396 } |
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1397 } |
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1398 } |