annotate libinterp/octave-value/ov-builtin.cc @ 19632:76478d2da117

unconditionally disable the octave_allocator class * configure.ac: Delete the --enable-octave-allocator option. * oct-alloc.h: Delete octave_allocator class. Warn if file is included. Unconditionally define macros to be empty. * NEWS: Make note of these changes. * oct-alloc.cc: Delete. * liboctave/util/module.mk (UTIL_SRC): Remove it from the list. * make_int.cc, Cell.h, oct-obj.cc, oct-obj.h, audiodevinfo.cc, ov-base-int.h, ov-base-scalar.h, ov-bool-mat.cc, ov-bool-mat.h, ov-bool-sparse.cc, ov-bool-sparse.h, ov-bool.cc, ov-bool.h, ov-builtin.cc, ov-builtin.h, ov-cell.cc, ov-cell.h, ov-ch-mat.h, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-complex.cc, ov-complex.h, ov-cs-list.cc, ov-cs-list.h, ov-cx-diag.cc, ov-cx-diag.h, ov-cx-mat.cc, ov-cx-mat.h, ov-cx-sparse.cc, ov-cx-sparse.h, ov-dld-fcn.cc, ov-dld-fcn.h, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn-inline.cc, ov-fcn-inline.h, ov-fcn.cc, ov-fcn.h, ov-float.cc, ov-float.h, ov-flt-complex.cc, ov-flt-complex.h, ov-flt-cx-diag.cc, ov-flt-cx-diag.h, ov-flt-cx-mat.cc, ov-flt-cx-mat.h, ov-flt-re-diag.cc, ov-flt-re-diag.h, ov-flt-re-mat.cc, ov-flt-re-mat.h, ov-int16.cc, ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-intx.h, ov-java.cc, ov-java.h, ov-mex-fcn.cc, ov-mex-fcn.h, ov-perm.cc, ov-perm.h, ov-range.cc, ov-range.h, ov-re-diag.cc, ov-re-diag.h, ov-re-mat.cc, ov-re-mat.h, ov-re-sparse.cc, ov-re-sparse.h, ov-scalar.cc, ov-scalar.h, ov-str-mat.cc, ov-str-mat.h, ov-struct.cc, ov-struct.h, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, pt-const.cc, pt-const.h, idx-vector.cc, idx-vector.h: Delete uses of oct-alloc.h and OCTAVE_ALLOCATOR macros.
author John W. Eaton <jwe@octave.org>
date Tue, 20 Jan 2015 13:43:29 -0500
parents 91cd85a75705
children 4197fc428c7d
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1 /*
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2
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3 Copyright (C) 1996-2013 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 the
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9 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef 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 "error.h"
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28 #include "gripes.h"
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29 #include "oct-obj.h"
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30 #include "ov-builtin.h"
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31 #include "ov.h"
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32 #include "profiler.h"
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33 #include "toplev.h"
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34 #include "unwind-prot.h"
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35
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36
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37 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_builtin,
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38 "built-in function",
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39 "built-in function");
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40
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41 octave_value_list
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42 octave_builtin::subsref (const std::string& type,
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43 const std::list<octave_value_list>& idx,
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44 int nargout)
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45 {
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46 return octave_builtin::subsref (type, idx, nargout, 0);
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47 }
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48
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49 octave_value_list
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50 octave_builtin::subsref (const std::string& type,
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51 const std::list<octave_value_list>& idx,
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52 int nargout,
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53 const std::list<octave_lvalue>* lvalue_list)
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54 {
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55 octave_value_list retval;
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56
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57 switch (type[0])
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58 {
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59 case '(':
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60 {
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61 int tmp_nargout = (type.length () > 1 && nargout == 0) ? 1 : nargout;
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62
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63 retval = do_multi_index_op (tmp_nargout, idx.front (),
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64 idx.size () == 1 ? lvalue_list : 0);
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65 }
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66 break;
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67
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68 case '{':
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69 case '.':
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70 {
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71 std::string nm = type_name ();
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72 error ("%s cannot be indexed with %c", nm.c_str (), type[0]);
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73 }
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74 break;
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75
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76 default:
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77 panic_impossible ();
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78 }
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79
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80 // FIXME: perhaps there should be an
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81 // octave_value_list::next_subsref member function? See also
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82 // octave_user_function::subsref.
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83 //
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84 // FIXME: Note that if a function call returns multiple
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85 // values, and there is further indexing to perform, then we are
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86 // ignoring all but the first value. Is this really what we want to
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87 // do? If it is not, then what should happen for stat("file").size,
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88 // for exmaple?
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89
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90 if (idx.size () > 1)
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91 retval = retval(0).next_subsref (nargout, type, idx);
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92
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93 return retval;
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94 }
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95
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96 octave_value_list
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97 octave_builtin::do_multi_index_op (int nargout, const octave_value_list& args)
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98 {
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99 return octave_builtin::do_multi_index_op (nargout, args, 0);
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100 }
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101
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102 octave_value_list
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103 octave_builtin::do_multi_index_op (int nargout, const octave_value_list& args,
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104 const std::list<octave_lvalue> *lvalue_list)
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105 {
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106 octave_value_list retval;
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107
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108 if (error_state)
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109 return retval;
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110
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111 if (args.has_magic_colon ())
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112 ::error ("invalid use of colon in function argument list");
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113 else
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114 {
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115 unwind_protect frame;
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116
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117 octave_call_stack::push (this);
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118
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119 frame.add_fcn (octave_call_stack::pop);
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120
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121 if (lvalue_list || curr_lvalue_list)
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122 {
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123 frame.protect_var (curr_lvalue_list);
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124 curr_lvalue_list = lvalue_list;
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125 }
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126
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127 try
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128 {
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129 BEGIN_PROFILER_BLOCK (octave_builtin)
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130
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131 retval = (*f) (args, nargout);
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132 // Do not allow null values to be returned from functions.
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133 // FIXME: perhaps true builtins should be allowed?
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134 retval.make_storable_values ();
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135 // Fix the case of a single undefined value.
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136 // This happens when a compiled function uses
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137 // octave_value retval;
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138 // instead of
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139 // octave_value_list retval;
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140 // the idiom is very common, so we solve that here.
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141 if (retval.length () == 1 && retval.xelem (0).is_undefined ())
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142 retval.clear ();
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143
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144 END_PROFILER_BLOCK
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145 }
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146 catch (octave_execution_exception)
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147 {
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148 gripe_library_execution_error ();
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149 }
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150 }
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151
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152 return retval;
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153 }
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154
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155 jit_type *
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156 octave_builtin::to_jit (void) const
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157 {
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158 return jtype;
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159 }
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160
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161 void
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162 octave_builtin::stash_jit (jit_type &type)
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163 {
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164 jtype = &type;
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165 }
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166
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167 octave_builtin::fcn
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168 octave_builtin::function (void) const
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169 {
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170 return f;
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171 }
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172
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173 const std::list<octave_lvalue> *octave_builtin::curr_lvalue_list = 0;