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/*******************************************************************************
* Copyright (c) 2009,2010 Alena Laskavaia
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Alena Laskavaia - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.codan.core.cxx.model;
import org.eclipse.cdt.codan.core.model.ICheckerWithPreferences;
import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.IASTDeclSpecifier;
import org.eclipse.cdt.core.dom.ast.IASTDeclaration;
import org.eclipse.cdt.core.dom.ast.IASTFunctionDefinition;
import org.eclipse.cdt.core.dom.ast.IASTSimpleDeclaration;
import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTCompositeTypeSpecifier;
/**
* Abstract class for checkers that do all the work on function definition level
*/
public abstract class AbstractAstFunctionChecker extends
AbstractIndexAstChecker implements ICheckerWithPreferences {
public void processAst(IASTTranslationUnit ast) {
// traverse the ast using the visitor pattern.
ast.accept(new ASTVisitor() {
{
shouldVisitDeclarations = true;
}
public int visit(IASTDeclaration element) {
if (element instanceof IASTFunctionDefinition) {
processFunction((IASTFunctionDefinition) element);
return PROCESS_CONTINUE; // this is to support gcc extension
// for enclosed functions
}
if (element instanceof IASTSimpleDeclaration) {
IASTDeclSpecifier declSpecifier = ((IASTSimpleDeclaration) element)
.getDeclSpecifier();
if (declSpecifier instanceof ICPPASTCompositeTypeSpecifier) {
return PROCESS_CONTINUE; // c++ methods
}
}
return PROCESS_SKIP;
}
});
}
/**
* Process function.
*
* @param func
* - ast node representing function definition
*/
protected abstract void processFunction(IASTFunctionDefinition func);
}
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