Initial work on the pattern matcher for AST nodes.

src/libs/cplusplus/CheckUndefinedSymbols.cpp

@@ -522,11 +522,13 @@ bool CheckUndefinedSymbols::visit(ObjCProtocolRefsAST *ast)
 bool CheckUndefinedSymbols::visit(ObjCPropertyDeclarationAST *ast)
 {
     for (List<ObjCPropertyDeclaration *> *iter = ast->symbols; iter; iter = iter->next) {
-        if (Name *getterName = iter->value->getterName())
-            ; // FIXME: resolve the symbol for the name, and check its signature.
+        if (Name *getterName = iter->value->getterName()) {
+            // FIXME: resolve the symbol for the name, and check its signature.
+        }
 
-        if (Name *setterName = iter->value->setterName())
-            ; // FIXME: resolve the symbol for the name, and check its signature.
+        if (Name *setterName = iter->value->setterName()) {
+            // FIXME: resolve the symbol for the name, and check its signature.
+        }
     }
 
     return false;

src/shared/cplusplus/AST.cpp

@@ -48,6 +48,7 @@
 
 #include "AST.h"
 #include "ASTVisitor.h"
+#include "ASTMatcher.h"
 #include "MemoryPool.h"
 
 #include <cassert>
@@ -69,6 +70,22 @@ void AST::accept(ASTVisitor *visitor)
     visitor->postVisit(this);
 }
 
+bool AST::match(AST *ast, AST *pattern, ASTMatcher *matcher)
+{
+    if (ast == pattern)
+        return true;
+
+    else if (! ast || ! pattern)
+        return false;
+
+    return ast->match(pattern, matcher);
+}
+
+bool AST::match(AST *pattern, ASTMatcher *matcher)
+{
+    return match0(pattern, matcher);
+}
+
 unsigned AttributeSpecifierAST::firstToken() const
 {
     return attribute_token;

src/shared/cplusplus/ASTMatcher.cpp

+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#include "ASTMatcher.h"
+#include "Control.h"
+#include "TranslationUnit.h"
+
+using namespace CPlusPlus;
+
+Control *ASTMatcher::control() const
+{ return _control; }
+
+TranslationUnit *ASTMatcher::translationUnit() const
+{ return _control->translationUnit(); }
+
+unsigned ASTMatcher::tokenCount() const
+{ return translationUnit()->tokenCount(); }
+
+const Token &ASTMatcher::tokenAt(unsigned index) const
+{ return translationUnit()->tokenAt(index); }
+
+int ASTMatcher::tokenKind(unsigned index) const
+{ return translationUnit()->tokenKind(index); }
+
+const char *ASTMatcher::spell(unsigned index) const
+{ return translationUnit()->spell(index); }
+
+Identifier *ASTMatcher::identifier(unsigned index) const
+{ return translationUnit()->identifier(index); }
+
+Literal *ASTMatcher::literal(unsigned index) const
+{ return translationUnit()->literal(index); }
+
+NumericLiteral *ASTMatcher::numericLiteral(unsigned index) const
+{ return translationUnit()->numericLiteral(index); }
+
+StringLiteral *ASTMatcher::stringLiteral(unsigned index) const
+{ return translationUnit()->stringLiteral(index); }
+
+void ASTMatcher::getPosition(unsigned offset,
+                             unsigned *line,
+                             unsigned *column,
+                             StringLiteral **fileName) const
+{ translationUnit()->getPosition(offset, line, column, fileName); }
+
+void ASTMatcher::getTokenPosition(unsigned index,
+                                  unsigned *line,
+                                  unsigned *column,
+                                  StringLiteral **fileName) const
+{ translationUnit()->getTokenPosition(index, line, column, fileName); }
+
+void ASTMatcher::getTokenStartPosition(unsigned index, unsigned *line, unsigned *column) const
+{ getPosition(tokenAt(index).begin(), line, column); }
+
+void ASTMatcher::getTokenEndPosition(unsigned index, unsigned *line, unsigned *column) const
+{ getPosition(tokenAt(index).end(), line, column); }
+
+
+bool ASTMatcher::match(AccessDeclarationAST *, AccessDeclarationAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ArrayAccessAST *, ArrayAccessAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ArrayDeclaratorAST *, ArrayDeclaratorAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ArrayInitializerAST *, ArrayInitializerAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(AsmDefinitionAST *, AsmDefinitionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(AttributeSpecifierAST *, AttributeSpecifierAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(AttributeAST *, AttributeAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(BaseSpecifierAST *, BaseSpecifierAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(BinaryExpressionAST *, BinaryExpressionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(BoolLiteralAST *, BoolLiteralAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(BreakStatementAST *, BreakStatementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(CallAST *, CallAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(CaseStatementAST *, CaseStatementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(CastExpressionAST *, CastExpressionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(CatchClauseAST *, CatchClauseAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ClassSpecifierAST *, ClassSpecifierAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(CompoundLiteralAST *, CompoundLiteralAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(CompoundStatementAST *, CompoundStatementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ConditionAST *, ConditionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ConditionalExpressionAST *, ConditionalExpressionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ContinueStatementAST *, ContinueStatementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ConversionFunctionIdAST *, ConversionFunctionIdAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(CppCastExpressionAST *, CppCastExpressionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(CtorInitializerAST *, CtorInitializerAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(DeclaratorAST *, DeclaratorAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(DeclarationStatementAST *, DeclarationStatementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(DeclaratorIdAST *, DeclaratorIdAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(DeleteExpressionAST *, DeleteExpressionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(DestructorNameAST *, DestructorNameAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(DoStatementAST *, DoStatementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ElaboratedTypeSpecifierAST *, ElaboratedTypeSpecifierAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(EmptyDeclarationAST *, EmptyDeclarationAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(EnumSpecifierAST *, EnumSpecifierAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(EnumeratorAST *, EnumeratorAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ExceptionDeclarationAST *, ExceptionDeclarationAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ExceptionSpecificationAST *, ExceptionSpecificationAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ExpressionOrDeclarationStatementAST *, ExpressionOrDeclarationStatementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ExpressionStatementAST *, ExpressionStatementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ForeachStatementAST *, ForeachStatementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ForStatementAST *, ForStatementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(FunctionDeclaratorAST *, FunctionDeclaratorAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(FunctionDefinitionAST *, FunctionDefinitionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(GotoStatementAST *, GotoStatementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(IfStatementAST *, IfStatementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(LabeledStatementAST *, LabeledStatementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(LinkageBodyAST *, LinkageBodyAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(LinkageSpecificationAST *, LinkageSpecificationAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(MemInitializerAST *, MemInitializerAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(MemberAccessAST *, MemberAccessAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(NamedTypeSpecifierAST *, NamedTypeSpecifierAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(NamespaceAST *, NamespaceAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(NamespaceAliasDefinitionAST *, NamespaceAliasDefinitionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(NestedDeclaratorAST *, NestedDeclaratorAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(NestedExpressionAST *, NestedExpressionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(NestedNameSpecifierAST *, NestedNameSpecifierAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(NewPlacementAST *, NewPlacementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(NewArrayDeclaratorAST *, NewArrayDeclaratorAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(NewExpressionAST *, NewExpressionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(NewInitializerAST *, NewInitializerAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(NewTypeIdAST *, NewTypeIdAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(NumericLiteralAST *, NumericLiteralAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(OperatorAST *, OperatorAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(OperatorFunctionIdAST *, OperatorFunctionIdAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ParameterDeclarationAST *, ParameterDeclarationAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ParameterDeclarationClauseAST *, ParameterDeclarationClauseAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(PointerAST *, PointerAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(PointerToMemberAST *, PointerToMemberAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(PostIncrDecrAST *, PostIncrDecrAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(PostfixExpressionAST *, PostfixExpressionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(QualifiedNameAST *, QualifiedNameAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ReferenceAST *, ReferenceAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ReturnStatementAST *, ReturnStatementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(SimpleDeclarationAST *, SimpleDeclarationAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(SimpleNameAST *, SimpleNameAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(SimpleSpecifierAST *, SimpleSpecifierAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(SizeofExpressionAST *, SizeofExpressionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(StringLiteralAST *, StringLiteralAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(SwitchStatementAST *, SwitchStatementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(TemplateDeclarationAST *, TemplateDeclarationAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(TemplateIdAST *, TemplateIdAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(TemplateTypeParameterAST *, TemplateTypeParameterAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ThisExpressionAST *, ThisExpressionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(ThrowExpressionAST *, ThrowExpressionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(TranslationUnitAST *, TranslationUnitAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(TryBlockStatementAST *, TryBlockStatementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(TypeConstructorCallAST *, TypeConstructorCallAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(TypeIdAST *, TypeIdAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(TypeidExpressionAST *, TypeidExpressionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(TypeofSpecifierAST *, TypeofSpecifierAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(TypenameCallExpressionAST *, TypenameCallExpressionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(TypenameTypeParameterAST *, TypenameTypeParameterAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(UnaryExpressionAST *, UnaryExpressionAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(UsingAST *, UsingAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(UsingDirectiveAST *, UsingDirectiveAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(WhileStatementAST *, WhileStatementAST *)
+{
+    return true;
+}
+
+bool ASTMatcher::match(QtMethodAST *, QtMethodAST *)
+{
+    return true;
+}
+