Mercurial > octave
annotate libinterp/parse-tree/pt-pr-code.h @ 33634:4a70f390c85e default tip @
maint: Merge stable to default.
author | Markus Mützel <markus.muetzel@gmx.de> |
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date | Tue, 28 May 2024 15:25:54 +0200 |
parents | 70b7f1c285c7 |
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rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 1996-2024 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
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26 #if ! defined (octave_pt_pr_code_h) |
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27 #define octave_pt_pr_code_h 1 |
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29 #include "octave-config.h" |
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30 |
4676 | 31 #include <stack> |
2530 | 32 #include <string> |
33 | |
2123 | 34 #include "pt-walk.h" |
35 | |
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36 OCTAVE_BEGIN_NAMESPACE(octave) |
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37 |
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38 class comment_elt; |
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39 class comment_list; |
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40 class tree_decl_command; |
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41 class tree_expression; |
2123 | 42 |
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43 // How to print the code that the parse trees represent. |
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44 |
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45 class tree_print_code : public tree_walker |
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46 { |
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47 public: |
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49 tree_print_code (std::ostream& os_arg, |
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50 const std::string& pfx = "", |
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51 bool pr_orig_txt = true) |
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52 : m_os (os_arg), m_prefix (pfx), m_nesting (), |
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53 m_print_original_text (pr_orig_txt), |
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54 m_curr_print_indent_level (0), m_beginning_of_line (true), |
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55 m_suppress_newlines (0) |
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56 { |
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57 // For "none". |
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58 m_nesting.push ('n'); |
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59 } |
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61 OCTAVE_DISABLE_COPY_MOVE (tree_print_code) |
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63 ~tree_print_code () = default; |
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65 void visit_anon_fcn_handle (tree_anon_fcn_handle&); |
2123 | 66 |
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67 void visit_argument_list (tree_argument_list&); |
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68 |
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69 void visit_arguments_block (tree_arguments_block&); |
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70 |
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71 void visit_args_block_attribute_list (tree_args_block_attribute_list&); |
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72 |
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73 void visit_args_block_validation_list (tree_args_block_validation_list&); |
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74 |
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75 void visit_arg_validation (tree_arg_validation&); |
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76 |
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77 void visit_arg_size_spec (tree_arg_size_spec&); |
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78 |
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79 void visit_arg_validation_fcns (tree_arg_validation_fcns&); |
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80 |
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81 void visit_binary_expression (tree_binary_expression&); |
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83 void visit_break_command (tree_break_command&); |
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84 |
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85 void visit_colon_expression (tree_colon_expression&); |
2846 | 86 |
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87 void visit_continue_command (tree_continue_command&); |
2846 | 88 |
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89 void visit_decl_command (tree_decl_command&); |
2846 | 90 |
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91 void visit_decl_init_list (tree_decl_init_list&); |
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93 void visit_decl_elt (tree_decl_elt&); |
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95 void visit_simple_for_command (tree_simple_for_command&); |
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97 void visit_complex_for_command (tree_complex_for_command&); |
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98 |
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99 void visit_spmd_command (tree_spmd_command&); |
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100 |
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101 void visit_octave_user_script (octave_user_script&); |
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103 void visit_octave_user_function (octave_user_function&); |
2123 | 104 |
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105 void visit_octave_user_function_header (octave_user_function&); |
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106 |
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107 void visit_octave_user_function_trailer (octave_user_function&); |
2123 | 108 |
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109 void visit_function_def (tree_function_def&); |
2123 | 110 |
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111 void visit_identifier (tree_identifier&); |
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113 void visit_if_clause (tree_if_clause&); |
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115 void visit_if_command (tree_if_command&); |
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117 void visit_if_command_list (tree_if_command_list&); |
2123 | 118 |
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119 void visit_index_expression (tree_index_expression&); |
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121 void visit_matrix (tree_matrix&); |
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123 void visit_cell (tree_cell&); |
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125 void visit_multi_assignment (tree_multi_assignment&); |
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127 void visit_no_op_command (tree_no_op_command&); |
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129 void visit_constant (tree_constant&); |
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131 void visit_fcn_handle (tree_fcn_handle&); |
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133 void visit_parameter_list (tree_parameter_list&); |
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135 void visit_postfix_expression (tree_postfix_expression&); |
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137 void visit_prefix_expression (tree_prefix_expression&); |
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139 void visit_return_command (tree_return_command&); |
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141 void visit_simple_assignment (tree_simple_assignment&); |
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143 void visit_statement (tree_statement&); |
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145 void visit_statement_list (tree_statement_list&); |
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147 void visit_switch_case (tree_switch_case&); |
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149 void visit_switch_command (tree_switch_command&); |
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151 void visit_try_catch_command (tree_try_catch_command&); |
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153 void visit_unwind_protect_command (tree_unwind_protect_command&); |
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155 void visit_while_command (tree_while_command&); |
3484 | 156 |
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157 void visit_do_until_command (tree_do_until_command&); |
4980 | 158 |
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159 void visit_superclass_ref (tree_superclass_ref&); |
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160 |
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161 void visit_metaclass_query (tree_metaclass_query&); |
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162 |
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163 void print_fcn_handle_body (tree_expression *); |
2123 | 164 |
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165 private: |
2123 | 166 |
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167 std::ostream& m_os; |
2530 | 168 |
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169 std::string m_prefix; |
4676 | 170 |
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171 std::stack<char> m_nesting; |
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173 bool m_print_original_text; |
3708 | 174 |
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175 // Current indentation. |
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176 int m_curr_print_indent_level; |
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178 // TRUE means we are at the beginning of a line. |
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179 bool m_beginning_of_line; |
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181 // Nonzero means we are not printing newlines and indenting. |
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182 int m_suppress_newlines; |
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183 |
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184 void reset_indent_level () { m_curr_print_indent_level = 0; } |
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185 |
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186 void increment_indent_level () { m_curr_print_indent_level += 2; } |
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188 void decrement_indent_level () { m_curr_print_indent_level -= 2; } |
2123 | 189 |
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190 void newline (const char *alt_txt = ", "); |
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192 void indent (); |
2123 | 193 |
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194 void reset (); |
2961 | 195 |
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196 void print_parens (const tree_expression& expr, const char *txt); |
3665 | 197 |
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198 void print_comment_list (const comment_list& comment_list); |
3665 | 199 |
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200 void print_comment_elt (const comment_elt& comment_elt); |
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202 void print_indented_comment (const comment_list& comment_list); |
2123 | 203 |
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204 // Must create with an output stream! |
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206 tree_print_code (); |
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207 }; |
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208 |
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209 OCTAVE_END_NAMESPACE(octave) |
2123 | 210 |
211 #endif |