Mercurial > hg > octave-jordi
annotate src/pt-pr-code.h @ 8345:c777f3ce02d8
smarter conversion lookup
author | Jaroslav Hajek <highegg@gmail.com> |
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date | Tue, 25 Nov 2008 14:04:55 +0100 |
parents | 5b4d278ec828 |
children | 73c4516fae10 |
rev | line source |
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2123 | 1 /* |
2 | |
7017 | 3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2005, |
4 2006, 2007 John W. Eaton | |
2123 | 5 |
6 This file is part of Octave. | |
7 | |
8 Octave is free software; you can redistribute it and/or modify it | |
9 under the terms of the GNU General Public License as published by the | |
7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
11 option) any later version. | |
2123 | 12 |
13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
7016 | 19 along with Octave; see the file COPYING. If not, see |
20 <http://www.gnu.org/licenses/>. | |
2123 | 21 |
22 */ | |
23 | |
24 #if !defined (octave_tree_print_code_h) | |
25 #define octave_tree_print_code_h 1 | |
26 | |
4676 | 27 #include <stack> |
2530 | 28 #include <string> |
29 | |
3665 | 30 #include "comment-list.h" |
2123 | 31 #include "pt-walk.h" |
32 | |
2961 | 33 class tree_expression; |
34 | |
2123 | 35 // How to print the code that the parse trees represent. |
36 | |
37 class | |
38 tree_print_code : public tree_walker | |
39 { | |
40 public: | |
41 | |
3708 | 42 tree_print_code (std::ostream& os_arg, |
43 const std::string& pfx = std::string (), | |
2530 | 44 bool pr_orig_txt = true) |
4676 | 45 : os (os_arg), prefix (pfx), nesting (), |
46 print_original_text (pr_orig_txt), | |
4980 | 47 curr_print_indent_level (0), beginning_of_line (true), |
48 printing_newlines (true) | |
4676 | 49 { |
50 // For "none". | |
51 nesting.push ('n'); | |
52 } | |
2123 | 53 |
54 ~tree_print_code (void) { } | |
55 | |
5861 | 56 void visit_anon_fcn_handle (tree_anon_fcn_handle&); |
57 | |
2123 | 58 void visit_argument_list (tree_argument_list&); |
59 | |
60 void visit_binary_expression (tree_binary_expression&); | |
61 | |
4207 | 62 void visit_break_command (tree_break_command&); |
2123 | 63 |
64 void visit_colon_expression (tree_colon_expression&); | |
65 | |
4207 | 66 void visit_continue_command (tree_continue_command&); |
2123 | 67 |
2846 | 68 void visit_decl_command (tree_decl_command&); |
69 | |
70 void visit_decl_elt (tree_decl_elt&); | |
71 | |
72 void visit_decl_init_list (tree_decl_init_list&); | |
73 | |
2969 | 74 void visit_simple_for_command (tree_simple_for_command&); |
75 | |
76 void visit_complex_for_command (tree_complex_for_command&); | |
2123 | 77 |
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78 void visit_octave_user_script (octave_user_script&); |
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79 |
2891 | 80 void visit_octave_user_function (octave_user_function&); |
2123 | 81 |
2891 | 82 void visit_octave_user_function_header (octave_user_function&); |
2123 | 83 |
2891 | 84 void visit_octave_user_function_trailer (octave_user_function&); |
2123 | 85 |
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86 void visit_function_def (tree_function_def&); |
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87 |
2123 | 88 void visit_identifier (tree_identifier&); |
89 | |
90 void visit_if_clause (tree_if_clause&); | |
91 | |
92 void visit_if_command (tree_if_command&); | |
93 | |
94 void visit_if_command_list (tree_if_command_list&); | |
95 | |
96 void visit_index_expression (tree_index_expression&); | |
97 | |
98 void visit_matrix (tree_matrix&); | |
99 | |
3351 | 100 void visit_cell (tree_cell&); |
101 | |
2969 | 102 void visit_multi_assignment (tree_multi_assignment&); |
2123 | 103 |
2620 | 104 void visit_no_op_command (tree_no_op_command&); |
105 | |
2372 | 106 void visit_constant (tree_constant&); |
2123 | 107 |
4342 | 108 void visit_fcn_handle (tree_fcn_handle&); |
109 | |
2123 | 110 void visit_parameter_list (tree_parameter_list&); |
111 | |
112 void visit_postfix_expression (tree_postfix_expression&); | |
113 | |
114 void visit_prefix_expression (tree_prefix_expression&); | |
115 | |
4207 | 116 void visit_return_command (tree_return_command&); |
2123 | 117 |
118 void visit_return_list (tree_return_list&); | |
119 | |
2969 | 120 void visit_simple_assignment (tree_simple_assignment&); |
2123 | 121 |
122 void visit_statement (tree_statement&); | |
123 | |
124 void visit_statement_list (tree_statement_list&); | |
125 | |
2846 | 126 void visit_switch_case (tree_switch_case&); |
127 | |
128 void visit_switch_case_list (tree_switch_case_list&); | |
129 | |
130 void visit_switch_command (tree_switch_command&); | |
131 | |
2123 | 132 void visit_try_catch_command (tree_try_catch_command&); |
133 | |
134 void visit_unwind_protect_command (tree_unwind_protect_command&); | |
135 | |
136 void visit_while_command (tree_while_command&); | |
137 | |
3484 | 138 void visit_do_until_command (tree_do_until_command&); |
139 | |
4980 | 140 void suspend_newline (void) { printing_newlines = false; } |
141 | |
142 void resume_newline (void) { printing_newlines = true; } | |
143 | |
2123 | 144 private: |
145 | |
3523 | 146 std::ostream& os; |
2123 | 147 |
3523 | 148 std::string prefix; |
2530 | 149 |
4676 | 150 std::stack<char> nesting; |
151 | |
2530 | 152 bool print_original_text; |
153 | |
3708 | 154 // Current indentation. |
155 int curr_print_indent_level; | |
156 | |
157 // TRUE means we are at the beginning of a line. | |
158 bool beginning_of_line; | |
2123 | 159 |
4980 | 160 // TRUE means we are printing newlines and indenting. |
161 bool printing_newlines; | |
162 | |
3933 | 163 void reset_indent_level (void) { curr_print_indent_level = 0; } |
2123 | 164 |
3933 | 165 void increment_indent_level (void) { curr_print_indent_level += 2; } |
2123 | 166 |
3933 | 167 void decrement_indent_level (void) { curr_print_indent_level -= 2; } |
2123 | 168 |
4980 | 169 void newline (const char *alt_txt = ", "); |
2123 | 170 |
171 void indent (void); | |
172 | |
173 void reset (void); | |
174 | |
2961 | 175 void print_parens (const tree_expression& expr, const char *txt); |
176 | |
3665 | 177 void print_comment_list (octave_comment_list *comment_list); |
178 | |
179 void print_comment_elt (const octave_comment_elt& comment_elt); | |
180 | |
181 void print_indented_comment (octave_comment_list *comment_list); | |
182 | |
2123 | 183 // Must create with an output stream! |
184 | |
185 tree_print_code (void); | |
186 | |
187 // No copying! | |
188 | |
189 tree_print_code (const tree_print_code&); | |
190 | |
191 tree_print_code& operator = (const tree_print_code&); | |
192 }; | |
193 | |
194 #endif | |
195 | |
196 /* | |
197 ;;; Local Variables: *** | |
198 ;;; mode: C++ *** | |
199 ;;; End: *** | |
200 */ |