Mercurial > hg > octave-nkf
annotate libinterp/parse-tree/pt-id.h @ 20441:83792dd9bcc1
Use in-place operators in m-files where possible.
* scripts/audio/@audioplayer/set.m, scripts/audio/@audiorecorder/set.m,
scripts/audio/mu2lin.m, scripts/elfun/cosd.m, scripts/general/del2.m,
scripts/general/profexplore.m, scripts/general/quadl.m, scripts/general/rat.m,
scripts/general/rotdim.m, scripts/help/get_first_help_sentence.m,
scripts/help/private/__strip_html_tags__.m, scripts/image/cubehelix.m,
scripts/io/textread.m, scripts/linear-algebra/duplication_matrix.m,
scripts/linear-algebra/housh.m, scripts/linear-algebra/krylov.m,
scripts/linear-algebra/logm.m, scripts/linear-algebra/normest.m,
scripts/linear-algebra/onenormest.m, scripts/optimization/fminsearch.m,
scripts/optimization/lsqnonneg.m, scripts/optimization/qp.m,
scripts/plot/appearance/annotation.m, scripts/plot/appearance/axis.m,
scripts/plot/appearance/legend.m, scripts/plot/appearance/specular.m,
scripts/plot/draw/colorbar.m, scripts/plot/draw/hist.m,
scripts/plot/draw/plotmatrix.m, scripts/plot/draw/private/__stem__.m,
scripts/plot/util/__actual_axis_position__.m,
scripts/plot/util/__gnuplot_drawnow__.m, scripts/plot/util/findobj.m,
scripts/plot/util/print.m, scripts/plot/util/private/__go_draw_axes__.m,
scripts/plot/util/private/__print_parse_opts__.m, scripts/plot/util/rotate.m,
scripts/polynomial/pchip.m, scripts/polynomial/polyaffine.m,
scripts/polynomial/polyder.m, scripts/polynomial/private/__splinefit__.m,
scripts/polynomial/residue.m, scripts/signal/arch_fit.m,
scripts/signal/arch_rnd.m, scripts/signal/bartlett.m,
scripts/signal/blackman.m, scripts/signal/freqz.m, scripts/signal/hamming.m,
scripts/signal/hanning.m, scripts/signal/spectral_adf.m,
scripts/signal/spectral_xdf.m, scripts/signal/stft.m,
scripts/sparse/bicgstab.m, scripts/sparse/cgs.m,
scripts/sparse/private/__sprand_impl__.m, scripts/sparse/qmr.m,
scripts/sparse/sprandsym.m, scripts/sparse/svds.m, scripts/specfun/legendre.m,
scripts/special-matrix/gallery.m, scripts/statistics/base/gls.m,
scripts/statistics/models/logistic_regression.m,
scripts/statistics/tests/kruskal_wallis_test.m,
scripts/statistics/tests/manova.m, scripts/statistics/tests/wilcoxon_test.m,
scripts/time/datevec.m:
Use in-place operators in m-files where possible.
| author | Rik <rik@octave.org> |
|---|---|
| date | Tue, 26 May 2015 21:07:42 -0700 |
| parents | 4197fc428c7d |
| children | 7ac907da9fba |
| rev | line source |
|---|---|
| 2887 | 1 /* |
| 2 | |
|
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3 Copyright (C) 1996-2015 John W. Eaton |
| 2887 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 2887 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 2887 | 20 |
| 21 */ | |
| 22 | |
|
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23 #if !defined (octave_pt_id_h) |
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24 #define octave_pt_id_h 1 |
| 2887 | 25 |
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26 #include <iosfwd> |
| 2887 | 27 #include <string> |
| 28 | |
| 2943 | 29 class octave_value; |
| 30 class octave_value_list; | |
| 2887 | 31 class octave_function; |
| 32 | |
| 33 class tree_walker; | |
| 34 | |
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35 #include "oct-lvalue.h" |
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36 #include "pt-bp.h" |
| 2980 | 37 #include "pt-exp.h" |
| 7336 | 38 #include "symtab.h" |
| 2887 | 39 |
| 40 // Symbols from the symbol table. | |
| 41 | |
| 42 class | |
| 2971 | 43 tree_identifier : public tree_expression |
| 2887 | 44 { |
| 45 friend class tree_index_expression; | |
| 46 | |
| 47 public: | |
| 48 | |
| 49 tree_identifier (int l = -1, int c = -1) | |
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50 : tree_expression (l, c) { } |
| 2887 | 51 |
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52 tree_identifier (const symbol_table::symbol_record& s, |
| 10313 | 53 int l = -1, int c = -1, |
| 54 symbol_table::scope_id sc = symbol_table::current_scope ()) | |
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55 : tree_expression (l, c), sym (s, sc) { } |
| 2887 | 56 |
| 57 ~tree_identifier (void) { } | |
| 58 | |
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59 bool has_magic_end (void) const { return (name () == "end"); } |
| 4267 | 60 |
| 3933 | 61 bool is_identifier (void) const { return true; } |
| 2887 | 62 |
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63 // The name doesn't change with scope, so use sym instead of |
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64 // accessing it through sym so that this function may remain const. |
| 7336 | 65 std::string name (void) const { return sym.name (); } |
| 2887 | 66 |
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67 bool is_defined (void) { return sym->is_defined (); } |
| 7336 | 68 |
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69 virtual bool is_variable (void) { return sym->is_variable (); } |
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70 |
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71 virtual bool is_black_hole (void) { return false; } |
| 2887 | 72 |
| 7336 | 73 // Try to find a definition for an identifier. Here's how: |
| 74 // | |
| 75 // * If the identifier is already defined and is a function defined | |
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76 // in an function file that has been modified since the last time |
| 7336 | 77 // we parsed it, parse it again. |
| 78 // | |
| 79 // * If the identifier is not defined, try to find a builtin | |
| 80 // variable or an already compiled function with the same name. | |
| 81 // | |
| 82 // * If the identifier is still undefined, try looking for an | |
| 83 // function file to parse. | |
| 84 // | |
| 85 // * On systems that support dynamic linking, we prefer .oct files, | |
| 86 // then .mex files, then .m files. | |
| 2971 | 87 |
| 88 octave_value | |
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89 do_lookup (const octave_value_list& args = octave_value_list ()) |
| 7336 | 90 { |
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91 return sym->find (args); |
| 7336 | 92 } |
| 2887 | 93 |
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94 void mark_global (void) { sym->mark_global (); } |
| 7336 | 95 |
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96 void mark_as_static (void) { sym->init_persistent (); } |
| 7336 | 97 |
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98 void mark_as_formal_parameter (void) { sym->mark_formal (); } |
| 2887 | 99 |
| 3010 | 100 // We really need to know whether this symbol referst to a variable |
| 101 // or a function, but we may not know that yet. | |
| 102 | |
| 3933 | 103 bool lvalue_ok (void) const { return true; } |
| 3010 | 104 |
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105 octave_value rvalue1 (int nargout = 1); |
| 2887 | 106 |
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107 octave_value_list rvalue (int nargout) |
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108 { |
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109 return rvalue (nargout, 0); |
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110 } |
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111 |
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112 octave_value_list rvalue (int nargout, |
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113 const std::list<octave_lvalue> *lvalue_list); |
| 2887 | 114 |
| 2979 | 115 octave_lvalue lvalue (void); |
| 2887 | 116 |
| 117 void eval_undefined_error (void); | |
| 118 | |
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119 void static_workspace_error (void) |
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120 { |
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121 ::error ("can not add variable \"%s\" to a static workspace", |
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122 name ().c_str ()); |
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123 } |
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124 |
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125 tree_identifier *dup (symbol_table::scope_id scope, |
| 10313 | 126 symbol_table::context_id context) const; |
| 5861 | 127 |
| 2887 | 128 void accept (tree_walker& tw); |
| 129 | |
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130 symbol_table::symbol_reference symbol (void) const |
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131 { |
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132 return sym; |
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133 } |
| 2887 | 134 private: |
| 135 | |
| 136 // The symbol record that this identifier references. | |
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137 symbol_table::symbol_reference sym; |
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138 |
| 2988 | 139 // No copying! |
| 140 | |
| 141 tree_identifier (const tree_identifier&); | |
| 142 | |
| 143 tree_identifier& operator = (const tree_identifier&); | |
| 2887 | 144 }; |
| 145 | |
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146 class tree_black_hole : public tree_identifier |
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147 { |
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148 public: |
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149 |
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150 tree_black_hole (int l = -1, int c = -1) |
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151 : tree_identifier (l, c) { } |
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152 |
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153 std::string name (void) const { return "~"; } |
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154 |
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155 bool is_variable (void) { return false; } |
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156 |
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157 bool is_black_hole (void) { return true; } |
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158 |
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159 tree_black_hole *dup (void) const |
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160 { return new tree_black_hole; } |
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161 |
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162 octave_lvalue lvalue (void) |
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163 { |
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164 return octave_lvalue (); // black hole lvalue |
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165 } |
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166 }; |
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167 |
| 2887 | 168 #endif |