cpptoxml/parser/control.cpp

   1 /****************************************************************************
   2 **
   3 ** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
   4 ** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org>
   5 **
   6 ** This file is part of the Qt Script Generator project on Trolltech Labs.
   7 **
   8 ** This file may be used under the terms of the GNU General Public
   9 ** License version 2.0 as published by the Free Software Foundation
  10 ** and appearing in the file LICENSE.GPL included in the packaging of
  11 ** this file.  Please review the following information to ensure GNU
  12 ** General Public Licensing requirements will be met:
  13 ** http://www.trolltech.com/products/qt/opensource.html
  14 **
  15 ** If you are unsure which license is appropriate for your use, please
  16 ** review the following information:
  17 ** http://www.trolltech.com/products/qt/licensing.html or contact the
  18 ** sales department at sales@trolltech.com.
  19 **
  20 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
  21 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  22 **
  23 ****************************************************************************/
  24
  25
  26 #include "control.h"
  27 #include "lexer.h"
  28
  29 Control::Control()
  30   : current_context(0),
  31     _M_skipFunctionBody(false),
  32     _M_lexer(0),
  33     _M_parser(0)
  34 {
  35   pushContext();
  36
  37   declareTypedef(findOrInsertName("__builtin_va_list",
  38                  strlen("__builtin_va_list")), 0);
  39 }
  40
  41 Control::~Control()
  42 {
  43   popContext();
  44
  45   Q_ASSERT(current_context == 0);
  46 }
  47
  48 Lexer *Control::changeLexer(Lexer *lexer)
  49 {
  50   Lexer *old = _M_lexer;
  51   _M_lexer = lexer;
  52   return old;
  53 }
  54
  55 Parser *Control::changeParser(Parser *parser)
  56 {
  57   Parser *old = _M_parser;
  58   _M_parser = parser;
  59   return old;
  60 }
  61
  62 Type *Control::lookupType(const NameSymbol *name) const
  63 {
  64   Q_ASSERT(current_context != 0);
  65
  66   return current_context->resolve(name);
  67 }
  68
  69 void Control::declare(const NameSymbol *name, Type *type)
  70 {
  71   //printf("*** Declare:");
  72   //printSymbol(name);
  73   //putchar('\n');
  74   Q_ASSERT(current_context != 0);
  75
  76   current_context->bind(name, type);
  77 }
  78
  79 void Control::pushContext()
  80 {
  81   // printf("+Context\n");
  82   Context *new_context = new Context;
  83   new_context->parent = current_context;
  84   current_context = new_context;
  85 }
  86
  87 void Control::popContext()
  88 {
  89   // printf("-Context\n");
  90   Q_ASSERT(current_context != 0);
  91
  92   Context *old_context = current_context;
  93   current_context = current_context->parent;
  94
  95   delete old_context;
  96 }
  97
  98 void Control::declareTypedef(const NameSymbol *name, Declarator *d)
  99 {
 100   //  printf("declared typedef:");
 101   //  printSymbol(name);
 102   //  printf("\n");
 103   stl_typedef_table.insert(name, d);
 104 }
 105
 106 bool Control::isTypedef(const NameSymbol *name) const
 107 {
 108   //  printf("is typedef:");
 109   //  printSymbol(name);
 110   // printf("= %d\n", (stl_typedef_table.find(name) != stl_typedef_table.end()));
 111
 112   return stl_typedef_table.contains(name);
 113 }
 114
 115 QList<Control::ErrorMessage> Control::errorMessages () const
 116 {
 117   return _M_error_messages;
 118 }
 119
 120 void Control::clearErrorMessages ()
 121 {
 122   _M_error_messages.clear ();
 123 }
 124
 125 void Control::reportError (const ErrorMessage &errmsg)
 126 {
 127     _M_error_messages.append(errmsg);
 128 }
 129
 130 // kate: space-indent on; indent-width 2; replace-tabs on;