forked from qt-creator/qt-creator
		
	
		
			
				
	
	
		
			349 lines
		
	
	
		
			9.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			349 lines
		
	
	
		
			9.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /***************************************************************************
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| **
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| ** This file is part of Qt Creator
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| **
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| ** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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| **
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| ** Contact:  Qt Software Information (qt-info@nokia.com)
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| **
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| **
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| ** Non-Open Source Usage
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| **
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| ** Licensees may use this file in accordance with the Qt Beta Version
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| ** License Agreement, Agreement version 2.2 provided with the Software or,
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| ** alternatively, in accordance with the terms contained in a written
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| ** agreement between you and Nokia.
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| **
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| ** GNU General Public License Usage
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| **
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| ** Alternatively, this file may be used under the terms of the GNU General
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| ** Public License versions 2.0 or 3.0 as published by the Free Software
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| ** Foundation and appearing in the file LICENSE.GPL included in the packaging
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| ** of this file.  Please review the following information to ensure GNU
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| ** General Public Licensing requirements will be met:
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| **
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| ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
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| ** http://www.gnu.org/copyleft/gpl.html.
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| **
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| ** In addition, as a special exception, Nokia gives you certain additional
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| ** rights. These rights are described in the Nokia Qt GPL Exception
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| ** version 1.3, included in the file GPL_EXCEPTION.txt in this package.
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| **
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| ***************************************************************************/
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| // Copyright (c) 2008 Roberto Raggi <roberto.raggi@gmail.com>
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| //
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| // Permission is hereby granted, free of charge, to any person obtaining a copy
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| // of this software and associated documentation files (the "Software"), to deal
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| // in the Software without restriction, including without limitation the rights
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| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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| // copies of the Software, and to permit persons to whom the Software is
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| // furnished to do so, subject to the following conditions:
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| //
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| // The above copyright notice and this permission notice shall be included in
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| // all copies or substantial portions of the Software.
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| //
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| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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| // THE SOFTWARE.
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| 
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| #include "CheckName.h"
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| #include "Semantic.h"
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| #include "AST.h"
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| #include "Control.h"
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| #include "TranslationUnit.h"
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| #include "Literals.h"
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| #include "Names.h"
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| #include "CoreTypes.h"
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| #include "Symbols.h"
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| #include <cassert>
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| 
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| CPLUSPLUS_BEGIN_NAMESPACE
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| 
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| CheckName::CheckName(Semantic *semantic)
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|     : SemanticCheck(semantic),
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|       _name(0),
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|       _scope(0)
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| { }
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| 
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| CheckName::~CheckName()
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| { }
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| 
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| Name *CheckName::check(NameAST *name, Scope *scope)
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| {
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|     Name *previousName = switchName(0);
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|     Scope *previousScope = switchScope(scope);
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|     accept(name);
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|     (void) switchScope(previousScope);
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|     return switchName(previousName);
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| }
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| 
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| Name *CheckName::check(NestedNameSpecifierAST *nested_name_specifier, Scope *scope)
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| {
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|     Name *previousName = switchName(0);
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|     Scope *previousScope = switchScope(scope);
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| 
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|     std::vector<Name *> names;
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|     for (NestedNameSpecifierAST *it = nested_name_specifier;
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|             it; it = it->next) {
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|         names.push_back(semantic()->check(it->class_or_namespace_name, _scope));
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|     }
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|     _name = control()->qualifiedNameId(&names[0], names.size());
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| 
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|     (void) switchScope(previousScope);
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|     return switchName(previousName);
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| }
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| 
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| Name *CheckName::switchName(Name *name)
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| {
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|     Name *previousName = _name;
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|     _name = name;
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|     return previousName;
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| }
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| 
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| Scope *CheckName::switchScope(Scope *scope)
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| {
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|     Scope *previousScope = _scope;
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|     _scope = scope;
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|     return previousScope;
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| }
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| 
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| bool CheckName::visit(QualifiedNameAST *ast)
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| {
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|     std::vector<Name *> names;
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|     for (NestedNameSpecifierAST *it = ast->nested_name_specifier;
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|             it; it = it->next) {
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|         names.push_back(semantic()->check(it->class_or_namespace_name, _scope));
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|     }
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|     names.push_back(semantic()->check(ast->unqualified_name, _scope));
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|     _name = control()->qualifiedNameId(&names[0], names.size(),
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|                                           ast->global_scope_token != 0);
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|     return false;
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| }
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| 
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| bool CheckName::visit(OperatorFunctionIdAST *ast)
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| {
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|     assert(ast->op != 0);
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| 
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|     OperatorNameId::Kind kind = OperatorNameId::InvalidOp;
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| 
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|     switch (tokenKind(ast->op->op_token)) {
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|     case T_NEW:
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|         if (ast->op->open_token)
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|             kind = OperatorNameId::NewArrayOp;
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|         else
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|             kind = OperatorNameId::NewOp;
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|         break;
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| 
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|     case T_DELETE:
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|         if (ast->op->open_token)
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|             kind = OperatorNameId::DeleteArrayOp;
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|         else
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|             kind = OperatorNameId::DeleteOp;
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|         break;
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| 
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|     case T_PLUS:
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|         kind = OperatorNameId::PlusOp;
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|         break;
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| 
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|     case T_MINUS:
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|         kind = OperatorNameId::MinusOp;
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|         break;
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| 
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|     case T_STAR:
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|         kind = OperatorNameId::StarOp;
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|         break;
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| 
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|     case T_SLASH:
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|         kind = OperatorNameId::SlashOp;
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|         break;
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| 
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|     case T_PERCENT:
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|         kind = OperatorNameId::PercentOp;
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|         break;
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| 
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|     case T_CARET:
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|         kind = OperatorNameId::CaretOp;
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|         break;
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| 
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|     case T_AMPER:
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|         kind = OperatorNameId::AmpOp;
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|         break;
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| 
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|     case T_PIPE:
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|         kind = OperatorNameId::PipeOp;
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|         break;
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| 
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|     case T_TILDE:
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|         kind = OperatorNameId::TildeOp;
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|         break;
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| 
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|     case T_EXCLAIM:
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|         kind = OperatorNameId::ExclaimOp;
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|         break;
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| 
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|     case T_EQUAL:
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|         kind = OperatorNameId::EqualOp;
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|         break;
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| 
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|     case T_LESS:
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|         kind = OperatorNameId::LessOp;
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|         break;
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| 
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|     case T_GREATER:
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|         kind = OperatorNameId::GreaterOp;
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|         break;
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| 
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|     case T_PLUS_EQUAL:
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|         kind = OperatorNameId::PlusEqualOp;
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|         break;
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| 
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|     case T_MINUS_EQUAL:
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|         kind = OperatorNameId::MinusEqualOp;
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|         break;
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| 
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|     case T_STAR_EQUAL:
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|         kind = OperatorNameId::StarEqualOp;
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|         break;
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| 
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|     case T_SLASH_EQUAL:
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|         kind = OperatorNameId::SlashEqualOp;
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|         break;
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| 
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|     case T_PERCENT_EQUAL:
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|         kind = OperatorNameId::PercentEqualOp;
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|         break;
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| 
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|     case T_CARET_EQUAL:
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|         kind = OperatorNameId::CaretEqualOp;
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|         break;
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| 
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|     case T_AMPER_EQUAL:
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|         kind = OperatorNameId::AmpEqualOp;
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|         break;
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| 
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|     case T_PIPE_EQUAL:
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|         kind = OperatorNameId::PipeEqualOp;
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|         break;
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| 
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|     case T_LESS_LESS:
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|         kind = OperatorNameId::LessLessOp;
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|         break;
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| 
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|     case T_GREATER_GREATER:
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|         kind = OperatorNameId::GreaterGreaterOp;
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|         break;
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| 
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|     case T_LESS_LESS_EQUAL:
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|         kind = OperatorNameId::LessLessEqualOp;
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|         break;
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| 
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|     case T_GREATER_GREATER_EQUAL:
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|         kind = OperatorNameId::GreaterGreaterEqualOp;
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|         break;
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| 
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|     case T_EQUAL_EQUAL:
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|         kind = OperatorNameId::EqualEqualOp;
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|         break;
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| 
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|     case T_EXCLAIM_EQUAL:
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|         kind = OperatorNameId::ExclaimEqualOp;
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|         break;
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| 
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|     case T_LESS_EQUAL:
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|         kind = OperatorNameId::LessEqualOp;
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|         break;
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| 
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|     case T_GREATER_EQUAL:
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|         kind = OperatorNameId::GreaterEqualOp;
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|         break;
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| 
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|     case T_AMPER_AMPER:
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|         kind = OperatorNameId::AmpAmpOp;
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|         break;
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| 
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|     case T_PIPE_PIPE:
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|         kind = OperatorNameId::PipePipeOp;
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|         break;
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| 
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|     case T_PLUS_PLUS:
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|         kind = OperatorNameId::PlusPlusOp;
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|         break;
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| 
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|     case T_MINUS_MINUS:
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|         kind = OperatorNameId::MinusMinusOp;
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|         break;
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| 
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|     case T_COMMA:
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|         kind = OperatorNameId::CommaOp;
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|         break;
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| 
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|     case T_ARROW_STAR:
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|         kind = OperatorNameId::ArrowStarOp;
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|         break;
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| 
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|     case T_ARROW:
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|         kind = OperatorNameId::ArrowOp;
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|         break;
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| 
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|     case T_LPAREN:
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|         kind = OperatorNameId::FunctionCallOp;
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|         break;
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| 
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|     case T_LBRACKET:
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|         kind = OperatorNameId::ArrayAccessOp;
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|         break;
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| 
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|     default:
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|         kind = OperatorNameId::InvalidOp;
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|     } // switch
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| 
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|     _name = control()->operatorNameId(kind);
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|     return false;
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| }
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| 
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| bool CheckName::visit(ConversionFunctionIdAST *ast)
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| {
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|     FullySpecifiedType ty = semantic()->check(ast->type_specifier, _scope);
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|     ty = semantic()->check(ast->ptr_operators, ty, _scope);
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|     _name = control()->conversionNameId(ty);
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|     return false;
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| }
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| 
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| bool CheckName::visit(SimpleNameAST *ast)
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| {
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|     Identifier *id = identifier(ast->identifier_token);
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|     _name = control()->nameId(id);
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|     return false;
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| }
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| 
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| bool CheckName::visit(DestructorNameAST *ast)
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| {
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|     Identifier *id = identifier(ast->identifier_token);
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|     _name = control()->destructorNameId(id);
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|     return false;
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| }
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| 
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| bool CheckName::visit(TemplateIdAST *ast)
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| {
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|     Identifier *id = identifier(ast->identifier_token);
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|     std::vector<FullySpecifiedType> templateArguments;
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|     for (TemplateArgumentListAST *it = ast->template_arguments; it;
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|             it = it->next) {
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|         ExpressionAST *arg = it->template_argument;
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|         FullySpecifiedType exprTy = semantic()->check(arg, _scope);
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|         templateArguments.push_back(exprTy);
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|     }
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|     if (templateArguments.empty())
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|         _name = control()->templateNameId(id);
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|     else
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|         _name = control()->templateNameId(id, &templateArguments[0],
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|                                           templateArguments.size());
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|     return false;
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| }
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| 
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| CPLUSPLUS_END_NAMESPACE
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