--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/icheck/parser/src/shared/cplusplus/CheckExpression.cpp Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,401 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+// Copyright (c) 2008 Roberto Raggi <roberto.raggi@gmail.com>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#include "CheckExpression.h"
+#include "Semantic.h"
+#include "TranslationUnit.h"
+#include "AST.h"
+#include "Scope.h"
+#include "Literals.h"
+#include "CoreTypes.h"
+#include "Symbols.h"
+#include "Control.h"
+
+using namespace CPlusPlus;
+
+CheckExpression::CheckExpression(Semantic *semantic)
+ : SemanticCheck(semantic),
+ _expression(0),
+ _scope(0),
+ _checkOldStyleCasts(false)
+{ }
+
+CheckExpression::~CheckExpression()
+{ }
+
+FullySpecifiedType CheckExpression::check(ExpressionAST *expression, Scope *scope)
+{
+ FullySpecifiedType previousType = switchFullySpecifiedType(FullySpecifiedType());
+ Scope *previousScope = switchScope(scope);
+ ExpressionAST *previousExpression = switchExpression(expression);
+ accept(expression);
+ (void) switchExpression(previousExpression);
+ (void) switchScope(previousScope);
+ return switchFullySpecifiedType(previousType);
+}
+
+ExpressionAST *CheckExpression::switchExpression(ExpressionAST *expression)
+{
+ ExpressionAST *previousExpression = _expression;
+ _expression = expression;
+ return previousExpression;
+}
+
+FullySpecifiedType CheckExpression::switchFullySpecifiedType(const FullySpecifiedType &type)
+{
+ FullySpecifiedType previousType = _fullySpecifiedType;
+ _fullySpecifiedType = type;
+ return previousType;
+}
+
+Scope *CheckExpression::switchScope(Scope *scope)
+{
+ Scope *previousScope = _scope;
+ _scope = scope;
+ return previousScope;
+}
+
+bool CheckExpression::visit(BinaryExpressionAST *ast)
+{
+ FullySpecifiedType leftExprTy = semantic()->check(ast->left_expression, _scope);
+ FullySpecifiedType rightExprTy = semantic()->check(ast->right_expression, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(CastExpressionAST *ast)
+{
+ FullySpecifiedType castTy = semantic()->check(ast->type_id, _scope);
+ FullySpecifiedType exprTy = semantic()->check(ast->expression, _scope);
+ if (_checkOldStyleCasts && ! castTy->isVoidType())
+ translationUnit()->warning(ast->firstToken(),
+ "ugly old style cast");
+ return false;
+}
+
+bool CheckExpression::visit(ConditionAST *ast)
+{
+ FullySpecifiedType typeSpecTy = semantic()->check(ast->type_specifier_list, _scope);
+ const Name *name = 0;
+ FullySpecifiedType declTy = semantic()->check(ast->declarator, typeSpecTy.qualifiedType(),
+ _scope, &name);
+ Declaration *decl = control()->newDeclaration(ast->declarator->firstToken(), name);
+ decl->setType(declTy);
+ _scope->enterSymbol(decl);
+ return false;
+}
+
+bool CheckExpression::visit(ConditionalExpressionAST *ast)
+{
+ FullySpecifiedType condTy = semantic()->check(ast->condition, _scope);
+ FullySpecifiedType leftExprTy = semantic()->check(ast->left_expression, _scope);
+ FullySpecifiedType rightExprTy = semantic()->check(ast->right_expression, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(CppCastExpressionAST *ast)
+{
+ FullySpecifiedType typeIdTy = semantic()->check(ast->type_id, _scope);
+ FullySpecifiedType exprTy = semantic()->check(ast->expression, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(DeleteExpressionAST *ast)
+{
+ FullySpecifiedType exprTy = semantic()->check(ast->expression, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(ArrayInitializerAST *ast)
+{
+ for (ExpressionListAST *it = ast->expression_list; it; it = it->next) {
+ FullySpecifiedType exprTy = semantic()->check(it->value, _scope);
+ }
+ return false;
+}
+
+bool CheckExpression::visit(QualifiedNameAST *ast)
+{
+ (void) semantic()->check(ast, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(OperatorFunctionIdAST *ast)
+{
+ (void) semantic()->check(ast, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(ConversionFunctionIdAST *ast)
+{
+ (void) semantic()->check(ast, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(SimpleNameAST *ast)
+{
+ (void) semantic()->check(ast, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(DestructorNameAST *ast)
+{
+ (void) semantic()->check(ast, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(TemplateIdAST *ast)
+{
+ (void) semantic()->check(ast, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(NewExpressionAST *ast)
+{
+ if (ast->new_placement) {
+ for (ExpressionListAST *it = ast->new_placement->expression_list; it; it = it->next) {
+ FullySpecifiedType exprTy = semantic()->check(it->value, _scope);
+ }
+ }
+
+ FullySpecifiedType typeIdTy = semantic()->check(ast->type_id, _scope);
+
+ if (ast->new_type_id) {
+ FullySpecifiedType ty = semantic()->check(ast->new_type_id->type_specifier_list, _scope);
+
+ for (NewArrayDeclaratorListAST *it = ast->new_type_id->new_array_declarator_list; it; it = it->next) {
+ if (NewArrayDeclaratorAST *declarator = it->value) {
+ FullySpecifiedType exprTy = semantic()->check(declarator->expression, _scope);
+ }
+ }
+ }
+
+ // ### process new-initializer
+ if (ast->new_initializer) {
+ FullySpecifiedType exprTy = semantic()->check(ast->new_initializer->expression, _scope);
+ }
+
+ return false;
+}
+
+bool CheckExpression::visit(TypeidExpressionAST *ast)
+{
+ FullySpecifiedType exprTy = semantic()->check(ast->expression, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(TypenameCallExpressionAST *ast)
+{
+ (void) semantic()->check(ast->name, _scope);
+
+ for (ExpressionListAST *it = ast->expression_list; it; it = it->next) {
+ FullySpecifiedType exprTy = semantic()->check(it->value, _scope);
+ (void) exprTy;
+ }
+ return false;
+}
+
+bool CheckExpression::visit(TypeConstructorCallAST *ast)
+{
+ FullySpecifiedType typeSpecTy = semantic()->check(ast->type_specifier_list, _scope);
+ for (ExpressionListAST *it = ast->expression_list; it; it = it->next) {
+ FullySpecifiedType exprTy = semantic()->check(it->value, _scope);
+ }
+ return false;
+}
+
+bool CheckExpression::visit(PostfixExpressionAST *ast)
+{
+ FullySpecifiedType exprTy = semantic()->check(ast->base_expression, _scope);
+ for (PostfixListAST *it = ast->postfix_expression_list; it; it = it->next) {
+ accept(it->value); // ### not exactly.
+ }
+ return false;
+}
+
+bool CheckExpression::visit(SizeofExpressionAST *ast)
+{
+ FullySpecifiedType exprTy = semantic()->check(ast->expression, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(NumericLiteralAST *)
+{
+ _fullySpecifiedType.setType(control()->integerType(IntegerType::Int));
+ return false;
+}
+
+bool CheckExpression::visit(BoolLiteralAST *)
+{
+ _fullySpecifiedType.setType(control()->integerType(IntegerType::Bool));
+ return false;
+}
+
+bool CheckExpression::visit(StringLiteralAST *)
+{
+ IntegerType *charTy = control()->integerType(IntegerType::Char);
+ _fullySpecifiedType.setType(control()->pointerType(charTy));
+ return false;
+}
+
+bool CheckExpression::visit(ThisExpressionAST *)
+{
+ return false;
+}
+
+bool CheckExpression::visit(NestedExpressionAST *ast)
+{
+ FullySpecifiedType exprTy = semantic()->check(ast->expression, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(ThrowExpressionAST *ast)
+{
+ FullySpecifiedType exprTy = semantic()->check(ast->expression, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(TypeIdAST *ast)
+{
+ FullySpecifiedType typeSpecTy = semantic()->check(ast->type_specifier_list, _scope);
+ FullySpecifiedType declTy = semantic()->check(ast->declarator, typeSpecTy.qualifiedType(), _scope);
+ _fullySpecifiedType = declTy;
+ return false;
+}
+
+bool CheckExpression::visit(UnaryExpressionAST *ast)
+{
+ FullySpecifiedType exprTy = semantic()->check(ast->expression, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(QtMethodAST *ast)
+{
+ const Name *name = 0;
+ Scope dummy;
+ FullySpecifiedType methTy = semantic()->check(ast->declarator, FullySpecifiedType(),
+ &dummy, &name);
+ Function *fty = methTy->asFunctionType();
+ if (! fty)
+ translationUnit()->warning(ast->firstToken(), "expected a function declarator");
+ else {
+ for (unsigned i = 0; i < fty->argumentCount(); ++i) {
+ Symbol *arg = fty->argumentAt(i);
+ if (arg->name())
+ translationUnit()->warning(arg->sourceLocation(),
+ "argument should be anonymous");
+ }
+ }
+ return false;
+}
+
+bool CheckExpression::visit(CompoundLiteralAST *ast)
+{
+ /*FullySpecifiedType exprTy = */ semantic()->check(ast->type_id, _scope);
+ /*FullySpecifiedType initTy = */ semantic()->check(ast->initializer, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(CallAST *ast)
+{
+ for (ExpressionListAST *it = ast->expression_list; it; it = it->next) {
+ FullySpecifiedType exprTy = semantic()->check(it->value, _scope);
+ }
+ return false;
+}
+
+bool CheckExpression::visit(ArrayAccessAST *ast)
+{
+ FullySpecifiedType exprTy = semantic()->check(ast->expression, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(PostIncrDecrAST *)
+{
+ return false;
+}
+
+bool CheckExpression::visit(MemberAccessAST *ast)
+{
+ (void) semantic()->check(ast->member_name, _scope);
+ return false;
+}
+
+bool CheckExpression::visit(ObjCMessageExpressionAST *ast)
+{
+ (void) semantic()->check(ast->receiver_expression, _scope);
+ (void) semantic()->check(ast->selector, _scope);
+
+ accept(ast->argument_list); // ### not necessary.
+ return false;
+}
+
+bool CheckExpression::visit(ObjCEncodeExpressionAST * /*ast*/)
+{
+ // TODO: visit the type name, but store the type here? (EV)
+ return true;
+}
+
+bool CheckExpression::visit(ObjCSelectorExpressionAST *ast)
+{
+ (void) semantic()->check(ast->selector, _scope);
+ return false;
+}
+
+