summaryrefslogtreecommitdiffstats
path: root/generator/parser/control.cpp
blob: 46a58a98b2ef994da33160d07d5dd0fb315f7a74 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org>
**
** This file is part of the Qt Script Generator project on Trolltech Labs.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/


#include "control.h"
#include "lexer.h"

Control::Control()
  : current_context(0),
    _M_skipFunctionBody(false),
    _M_lexer(0),
    _M_parser(0)
{
  pushContext();

  declareTypedef(findOrInsertName("__builtin_va_list",
		 strlen("__builtin_va_list")), 0);
}

Control::~Control()
{
  popContext();

  Q_ASSERT(current_context == 0);
}

Lexer *Control::changeLexer(Lexer *lexer)
{
  Lexer *old = _M_lexer;
  _M_lexer = lexer;
  return old;
}

Parser *Control::changeParser(Parser *parser)
{
  Parser *old = _M_parser;
  _M_parser = parser;
  return old;
}

Type *Control::lookupType(const NameSymbol *name) const
{
  Q_ASSERT(current_context != 0);

  return current_context->resolve(name);
}

void Control::declare(const NameSymbol *name, Type *type)
{
  //printf("*** Declare:");
  //printSymbol(name);
  //putchar('\n');
  Q_ASSERT(current_context != 0);

  current_context->bind(name, type);
}

void Control::pushContext()
{
  // printf("+Context\n");
  Context *new_context = new Context;
  new_context->parent = current_context;
  current_context = new_context;
}

void Control::popContext()
{
  // printf("-Context\n");
  Q_ASSERT(current_context != 0);

  Context *old_context = current_context;
  current_context = current_context->parent;

  delete old_context;
}

void Control::declareTypedef(const NameSymbol *name, Declarator *d)
{
  //  printf("declared typedef:");
  //  printSymbol(name);
  //  printf("\n");
  stl_typedef_table.insert(name, d);
}

bool Control::isTypedef(const NameSymbol *name) const
{
  //  printf("is typedef:");
  //  printSymbol(name);
  // printf("= %d\n", (stl_typedef_table.find(name) != stl_typedef_table.end()));

  return stl_typedef_table.contains(name);
}

QList<Control::ErrorMessage> Control::errorMessages () const
{
  return _M_error_messages;
}

void Control::clearErrorMessages ()
{
  _M_error_messages.clear ();
}

void Control::reportError (const ErrorMessage &errmsg)
{
    _M_error_messages.append(errmsg);
}

// kate: space-indent on; indent-width 2; replace-tabs on;