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/*******************************************************************************
* Copyright (c) 2006, 2009 QNX Software Systems and others.
* 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 - Initial API and implementation
* IBM Corporation
* Andrew Ferguson (Symbian)
* Markus Schorn (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.core.pdom.dom.cpp;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.IASTFunctionCallExpression;
import org.eclipse.cdt.core.dom.ast.IASTIdExpression;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTFieldReference;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPMethod;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPReferenceType;
import org.eclipse.cdt.internal.core.Util;
import org.eclipse.cdt.internal.core.dom.parser.cpp.ClassTypeHelper;
import org.eclipse.cdt.internal.core.index.IIndexCPPBindingConstants;
import org.eclipse.cdt.internal.core.pdom.db.Database;
import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage;
import org.eclipse.cdt.internal.core.pdom.dom.PDOMName;
import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
import org.eclipse.cdt.internal.core.pdom.dom.PDOMNotImplementedError;
import org.eclipse.cdt.internal.core.pdom.dom.c.PDOMCAnnotation;
import org.eclipse.core.runtime.CoreException;
/**
* @author Doug Schaefer
*
*/
class PDOMCPPMethod extends PDOMCPPFunction implements ICPPMethod {
/**
* Offset of remaining annotation information (relative to the beginning of
* the record).
*/
private static final int ANNOTATION1 = PDOMCPPFunction.RECORD_SIZE; // byte
/**
* The size in bytes of a PDOMCPPMethod record in the database.
*/
@SuppressWarnings("hiding")
protected static final int RECORD_SIZE = PDOMCPPFunction.RECORD_SIZE + 1;
/**
* The bit offset of CV qualifier flags within ANNOTATION1.
*/
private static final int CV_OFFSET = PDOMCPPAnnotation.MAX_EXTRA_OFFSET + 1;
private byte annotation1= -1;
public PDOMCPPMethod(PDOMLinkage linkage, PDOMNode parent, ICPPMethod method) throws CoreException, DOMException {
super(linkage, parent, method, true);
Database db = getDB();
try {
annotation1= PDOMCPPAnnotation.encodeExtraAnnotation(method);
db.putByte(record + ANNOTATION1, annotation1);
} catch (DOMException e) {
throw new CoreException(Util.createStatus(e));
}
}
public PDOMCPPMethod(PDOMLinkage linkage, long record) {
super(linkage, record);
}
@Override
public void update(final PDOMLinkage linkage, IBinding newBinding) throws CoreException {
if (newBinding instanceof ICPPMethod) {
ICPPMethod method= (ICPPMethod) newBinding;
super.update(linkage, newBinding);
annotation1= -1;
try {
final byte annot = PDOMCPPAnnotation.encodeExtraAnnotation(method);
getDB().putByte(record + ANNOTATION1, annot);
annotation1= annot;
} catch (DOMException e) {
throw new CoreException(Util.createStatus(e));
}
}
}
@Override
protected int getRecordSize() {
return RECORD_SIZE;
}
@Override
public int getNodeType() {
return IIndexCPPBindingConstants.CPPMETHOD;
}
public boolean isVirtual() throws DOMException {
return getBit(getAnnotation1(), PDOMCPPAnnotation.VIRTUAL_OFFSET);
}
protected byte getAnnotation1() {
if (annotation1 == -1)
annotation1= getByte(record + ANNOTATION1);
return annotation1;
}
public boolean isPureVirtual() throws DOMException {
return getBit(getAnnotation1(), PDOMCPPAnnotation.PURE_VIRTUAL_OFFSET);
}
public boolean isDestructor() {
return getBit(getAnnotation1(), PDOMCPPAnnotation.DESTRUCTOR_OFFSET);
}
@Override
public boolean isMutable() throws DOMException {
throw new PDOMNotImplementedError();
}
public boolean isImplicit() {
return getBit(getAnnotation1(), PDOMCPPAnnotation.IMPLICIT_METHOD_OFFSET);
}
@Override
public IScope getFunctionScope() throws DOMException {
throw new PDOMNotImplementedError();
}
@Override
public boolean isExtern() throws DOMException {
// ISO/IEC 14882:2003 9.2.6
return false;
}
@Override
public boolean isExternC() {
return false;
}
@Override
public boolean isAuto() throws DOMException {
// ISO/IEC 14882:2003 9.2.6
return false;
}
@Override
public boolean isRegister() throws DOMException {
// ISO/IEC 14882:2003 9.2.6
return false;
}
public int getVisibility() throws DOMException {
return PDOMCPPAnnotation.getVisibility(getAnnotation());
}
public ICPPClassType getClassOwner() throws DOMException {
return (ICPPClassType) getOwner();
}
@Override
public Object clone() {
throw new PDOMNotImplementedError();
}
public boolean isConst() {
return getBit(getAnnotation1(), PDOMCAnnotation.CONST_OFFSET + CV_OFFSET);
}
public boolean isVolatile() {
return getBit(getAnnotation1(), PDOMCAnnotation.VOLATILE_OFFSET + CV_OFFSET);
}
@Override
public int getAdditionalNameFlags(int standardFlags, IASTName name) {
if ((standardFlags & PDOMName.IS_REFERENCE) == PDOMName.IS_REFERENCE) {
IASTNode parent= name.getParent();
if (parent instanceof ICPPASTFieldReference) {
// the name is not qualified
ICPPASTFieldReference fr= (ICPPASTFieldReference) parent;
parent= parent.getParent();
if (parent instanceof IASTFunctionCallExpression) {
// v->member()
if (fr.isPointerDereference()) {
return PDOMName.COULD_BE_POLYMORPHIC_METHOD_CALL;
}
// v.member()
IType type= fr.getFieldOwner().getExpressionType();
if (type instanceof ICPPReferenceType) {
return PDOMName.COULD_BE_POLYMORPHIC_METHOD_CALL;
}
}
}
// calling a member from within a member
else if (parent instanceof IASTIdExpression) {
if (parent.getParent() instanceof IASTFunctionCallExpression) {
return PDOMName.COULD_BE_POLYMORPHIC_METHOD_CALL;
}
}
}
return 0;
}
@Override
public IType[] getExceptionSpecification() throws DOMException {
if (isImplicit()) {
return ClassTypeHelper.getInheritedExceptionSpecification(this);
}
return super.getExceptionSpecification();
}
}
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