Mercurial > hg > octave-nkf
annotate libinterp/parse-tree/pt-misc.h @ 17744:d63878346099
maint: Update copyright notices for release.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 23 Oct 2013 22:09:27 -0400 |
parents | 8e2906e2fb26 |
children | 175b392e91fe |
rev | line source |
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577 | 1 /* |
2 | |
17744
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3 Copyright (C) 1994-2013 John W. Eaton |
577 | 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. | |
577 | 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/>. | |
577 | 20 |
21 */ | |
22 | |
23 #if !defined (octave_tree_misc_h) | |
24 #define octave_tree_misc_h 1 | |
25 | |
5848 | 26 class Cell; |
27 | |
2982 | 28 class octave_value; |
29 class octave_value_list; | |
577 | 30 |
2982 | 31 class tree_identifier; |
32 class tree_index_expression; | |
33 class tree_va_return_list; | |
1588 | 34 |
2982 | 35 class tree_walker; |
577 | 36 |
4219 | 37 #include "base-list.h" |
6215 | 38 #include "pt-decl.h" |
7336 | 39 #include "symtab.h" |
4219 | 40 |
577 | 41 // Parameter lists. Used to hold the list of input and output |
42 // parameters in a function definition. Elements are identifiers | |
43 // only. | |
44 | |
45 class | |
6215 | 46 tree_parameter_list : public octave_base_list<tree_decl_elt *> |
577 | 47 { |
48 public: | |
2124 | 49 |
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50 enum in_or_out |
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51 { |
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52 in = 1, |
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53 out = 2 |
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54 }; |
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55 |
1227 | 56 tree_parameter_list (void) |
4219 | 57 : marked_for_varargs (0) { } |
632 | 58 |
6215 | 59 tree_parameter_list (tree_decl_elt *t) |
4219 | 60 : marked_for_varargs (0) { append (t); } |
577 | 61 |
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62 tree_parameter_list (tree_identifier *id) |
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63 : marked_for_varargs (0) { append (new tree_decl_elt (id)); } |
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64 |
1740 | 65 ~tree_parameter_list (void); |
577 | 66 |
67 void mark_as_formal_parameters (void); | |
68 | |
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69 bool validate (in_or_out type); |
577 | 70 |
3933 | 71 bool takes_varargs (void) const { return marked_for_varargs != 0; } |
577 | 72 |
3933 | 73 bool varargs_only (void) { return (marked_for_varargs < 0); } |
577 | 74 |
4466 | 75 void initialize_undefined_elements (const std::string& warnfor, |
10313 | 76 int nargout, const octave_value& val); |
1093 | 77 |
2086 | 78 void define_from_arg_vector (const octave_value_list& args); |
577 | 79 |
4219 | 80 void undefine (void); |
3239 | 81 |
1827 | 82 bool is_defined (void); |
577 | 83 |
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84 std::list<std::string> variable_names (void) const; |
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85 |
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86 octave_value_list convert_to_const_vector (int nargout, const Cell& varargout); |
577 | 87 |
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88 tree_parameter_list *dup (symbol_table::scope_id scope, |
10313 | 89 symbol_table::context_id context) const; |
5861 | 90 |
2124 | 91 void accept (tree_walker& tw); |
581 | 92 |
577 | 93 private: |
2124 | 94 |
577 | 95 int marked_for_varargs; |
2988 | 96 |
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97 void mark_varargs (void) { marked_for_varargs = 1; } |
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98 |
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99 void mark_varargs_only (void) { marked_for_varargs = -1; } |
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100 |
2988 | 101 // No copying! |
102 | |
103 tree_parameter_list (const tree_parameter_list&); | |
104 | |
105 tree_parameter_list& operator = (const tree_parameter_list&); | |
577 | 106 }; |
107 | |
108 // Return lists. Used to hold the right hand sides of multiple | |
109 // assignment expressions. | |
110 | |
111 class | |
4219 | 112 tree_return_list : public octave_base_list<tree_index_expression *> |
577 | 113 { |
114 public: | |
2124 | 115 |
4219 | 116 tree_return_list (void) { } |
1227 | 117 |
4219 | 118 tree_return_list (tree_index_expression *t) { append (t); } |
577 | 119 |
1740 | 120 ~tree_return_list (void); |
581 | 121 |
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122 tree_return_list *dup (symbol_table::scope_id scope, |
10313 | 123 symbol_table::context_id context) const; |
5861 | 124 |
2124 | 125 void accept (tree_walker& tw); |
2988 | 126 |
127 private: | |
128 | |
129 // No copying! | |
130 | |
131 tree_return_list (const tree_return_list&); | |
132 | |
133 tree_return_list& operator = (const tree_return_list&); | |
577 | 134 }; |
135 | |
723 | 136 class |
4219 | 137 tree_va_return_list : public octave_base_list<octave_value> |
723 | 138 { |
139 public: | |
2124 | 140 |
4219 | 141 tree_va_return_list (void) { } |
1269 | 142 |
143 ~tree_va_return_list (void) { } | |
2988 | 144 |
145 private: | |
146 | |
147 // No copying! | |
148 | |
149 tree_va_return_list (const tree_va_return_list&); | |
150 | |
151 tree_va_return_list& operator = (const tree_va_return_list&); | |
723 | 152 }; |
153 | |
577 | 154 #endif |