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/*******************************************************************************
* Copyright (c) 2009, 2012 QNX Software Systems
* 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:
* QNX Software Systems (Alena Laskavaia) - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.codan.core.cxx;
import java.io.IOException;
import org.eclipse.cdt.codan.core.model.IChecker;
import org.eclipse.cdt.codan.core.test.CodanFastCxxAstTestCase;
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.IASTExpressionStatement;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTNamedTypeSpecifier;
import org.eclipse.cdt.core.dom.ast.IASTSimpleDeclaration;
import org.eclipse.cdt.core.dom.ast.IASTStatement;
import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
import org.eclipse.cdt.core.dom.ast.IBasicType.Kind;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.c.ICBasicType;
/**
* Test CxxAstUtils
*/
public class CxxAstUtilsTest extends CodanFastCxxAstTestCase {
@Override
public IChecker getChecker() {
return null; // not testing checker
}
// typedef int A;
// typedef A B;
// void main() {
// B x;
// }
public void testUnwindTypedef() throws IOException {
String code = getAboveComment();
IASTTranslationUnit tu = parse(code);
final Object result[] = new Object[1];
ASTVisitor astVisitor = new ASTVisitor() {
{
shouldVisitDeclarations = true;
}
@Override
public int visit(IASTDeclaration decl) {
if (decl instanceof IASTSimpleDeclaration) {
IASTSimpleDeclaration sdecl = (IASTSimpleDeclaration) decl;
IASTDeclSpecifier spec = sdecl.getDeclSpecifier();
if (spec instanceof IASTNamedTypeSpecifier) {
IASTName tname = ((IASTNamedTypeSpecifier) spec).getName();
IType typeName = (IType) tname.resolveBinding();
result[0] = CxxAstUtils.unwindTypedef(typeName);
}
}
return PROCESS_CONTINUE;
}
};
tu.accept(astVisitor);
assertNotNull(result[0]);
ICBasicType type = (ICBasicType) result[0];
assertEquals(Kind.eInt, type.getKind());
}
// #define AAA a
// void main (){
// AAA;
// b;
//}
public void testIsInMacro() throws IOException {
String code = getAboveComment();
IASTTranslationUnit tu = parse(code);
final Object result[] = new Object[2];
ASTVisitor astVisitor = new ASTVisitor() {
int i;
{
shouldVisitStatements = true;
}
@Override
public int visit(IASTStatement stmt) {
if (stmt instanceof IASTExpressionStatement) {
boolean check = CxxAstUtils.isInMacro(((IASTExpressionStatement) stmt).getExpression());
result[i] = check;
i++;
}
return PROCESS_CONTINUE;
}
};
tu.accept(astVisitor);
assertNotNull("Stmt not found", result[0]); //$NON-NLS-1$
assertTrue((Boolean) result[0]);
assertFalse((Boolean) result[1]);
}
//void f() __attribute__((noreturn));
//
//int test() {
// a();
// f();
// exit(0);
//}
public void testExitStatement() throws IOException {
String code = getAboveComment();
IASTTranslationUnit tu = parse(code);
final Object result[] = new Object[4];
ASTVisitor astVisitor = new ASTVisitor() {
int i;
{
shouldVisitStatements = true;
}
@Override
public int visit(IASTStatement stmt) {
boolean check = CxxAstUtils.isExitStatement(stmt);
result[i] = check;
i++;
return PROCESS_CONTINUE;
}
};
tu.accept(astVisitor);
assertNotNull("Stmt not found", result[0]); //$NON-NLS-1$
assertFalse((Boolean) result[0]); // compound body
assertFalse((Boolean) result[1]);
assertTrue((Boolean) result[2]);
assertTrue((Boolean) result[3]);
}
}
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