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comparison generator/parser/control.cpp @ 1:e78566595089

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author mandel
date Mon, 11 May 2009 16:01:50 +0000
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children 09a0f1d048f2
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0:36fb74dc547d 1:e78566595089
1 /****************************************************************************
2 **
3 ** Copyright (C) 1992-2008 Nokia. All rights reserved.
4 ** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org>
5 **
6 ** This file is part of Qt Jambi.
7 **
8 ** * Commercial Usage
9 * Licensees holding valid Qt Commercial licenses may use this file in
10 * accordance with the Qt Commercial License Agreement provided with the
11 * Software or, alternatively, in accordance with the terms contained in
12 * a written agreement between you and Nokia.
13 *
14 *
15 * GNU General Public License Usage
16 * Alternatively, this file may be used under the terms of the GNU
17 * General Public License versions 2.0 or 3.0 as published by the Free
18 * Software Foundation and appearing in the file LICENSE.GPL included in
19 * the packaging of this file. Please review the following information
20 * to ensure GNU General Public Licensing requirements will be met:
21 * http://www.fsf.org/licensing/licenses/info/GPLv2.html and
22 * http://www.gnu.org/copyleft/gpl.html. In addition, as a special
23 * exception, Nokia gives you certain additional rights. These rights
24 * are described in the Nokia Qt GPL Exception version 1.2, included in
25 * the file GPL_EXCEPTION.txt in this package.
26 *
27 * Qt for Windows(R) Licensees
28 * As a special exception, Nokia, as the sole copyright holder for Qt
29 * Designer, grants users of the Qt/Eclipse Integration plug-in the
30 * right for the Qt/Eclipse Integration to link to functionality
31 * provided by Qt Designer and its related libraries.
32 *
33 *
34 * If you are unsure which license is appropriate for your use, please
35 * contact the sales department at qt-sales@nokia.com.
36
37 **
38 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
39 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
40 **
41 ****************************************************************************/
42
43
44 #include "control.h"
45 #include "lexer.h"
46
47 Control::Control()
48 : current_context(0),
49 _M_skipFunctionBody(false),
50 _M_lexer(0),
51 _M_parser(0)
52 {
53 pushContext();
54
55 declareTypedef(findOrInsertName("__builtin_va_list",
56 strlen("__builtin_va_list")), 0);
57 }
58
59 Control::~Control()
60 {
61 popContext();
62
63 Q_ASSERT(current_context == 0);
64 }
65
66 Lexer *Control::changeLexer(Lexer *lexer)
67 {
68 Lexer *old = _M_lexer;
69 _M_lexer = lexer;
70 return old;
71 }
72
73 Parser *Control::changeParser(Parser *parser)
74 {
75 Parser *old = _M_parser;
76 _M_parser = parser;
77 return old;
78 }
79
80 Type *Control::lookupType(const NameSymbol *name) const
81 {
82 Q_ASSERT(current_context != 0);
83
84 return current_context->resolve(name);
85 }
86
87 void Control::declare(const NameSymbol *name, Type *type)
88 {
89 //printf("*** Declare:");
90 //printSymbol(name);
91 //putchar('\n');
92 Q_ASSERT(current_context != 0);
93
94 current_context->bind(name, type);
95 }
96
97 void Control::pushContext()
98 {
99 // printf("+Context\n");
100 Context *new_context = new Context;
101 new_context->parent = current_context;
102 current_context = new_context;
103 }
104
105 void Control::popContext()
106 {
107 // printf("-Context\n");
108 Q_ASSERT(current_context != 0);
109
110 Context *old_context = current_context;
111 current_context = current_context->parent;
112
113 delete old_context;
114 }
115
116 void Control::declareTypedef(const NameSymbol *name, Declarator *d)
117 {
118 // printf("declared typedef:");
119 // printSymbol(name);
120 // printf("\n");
121 stl_typedef_table.insert(name, d);
122 }
123
124 bool Control::isTypedef(const NameSymbol *name) const
125 {
126 // printf("is typedef:");
127 // printSymbol(name);
128 // printf("= %d\n", (stl_typedef_table.find(name) != stl_typedef_table.end()));
129
130 return stl_typedef_table.contains(name);
131 }
132
133 QList<Control::ErrorMessage> Control::errorMessages () const
134 {
135 return _M_error_messages;
136 }
137
138 void Control::clearErrorMessages ()
139 {
140 _M_error_messages.clear ();
141 }
142
143 void Control::reportError (const ErrorMessage &errmsg)
144 {
145 _M_error_messages.append(errmsg);
146 }
147
148 // kate: space-indent on; indent-width 2; replace-tabs on;