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/*******************************************************************************
* Copyright (c) 2018 Institute for Software, HSR Hochschule fuer Technik
* Rapperswil, University of applied sciences and others
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Hansruedi Patzen (IFS) - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp;
import java.util.Objects;
import org.eclipse.cdt.core.dom.ast.ASTVisitor;
import org.eclipse.cdt.core.dom.ast.IASTDeclaration;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTPointerOperator;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTCapture;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTDeclarator;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTInitCapture;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPASTReferenceOperator;
/**
* Implementation for init captures.
*/
public class CPPASTInitCapture extends CPPASTCaptureBase implements ICPPASTInitCapture {
private ICPPASTDeclarator fDeclarator;
public CPPASTInitCapture(ICPPASTDeclarator declarator) {
setDeclarator(declarator);
}
@Override
public CPPASTInitCapture copy() {
return copy(CopyStyle.withoutLocations);
}
@Override
public CPPASTInitCapture copy(CopyStyle style) {
final CPPASTInitCapture copy = new CPPASTInitCapture((ICPPASTDeclarator) fDeclarator.copy(style));
copy.setIsByReference(false);
return copy(copy, style);
}
@Override
public boolean accept(ASTVisitor visitor) {
if (visitor.shouldVisitCaptures) {
switch (visitor.visit((ICPPASTCapture) this)) {
case ASTVisitor.PROCESS_ABORT:
return false;
case ASTVisitor.PROCESS_SKIP:
return true;
default:
break;
}
}
if (visitor.shouldVisitDeclarations) {
switch (visitor.visit((IASTDeclaration) this)) {
case ASTVisitor.PROCESS_ABORT:
return false;
case ASTVisitor.PROCESS_SKIP:
return true;
}
}
if (fDeclarator != null && !fDeclarator.accept(visitor)) {
return false;
}
if (visitor.shouldVisitDeclarations && visitor.leave((IASTDeclaration) this) == ASTVisitor.PROCESS_ABORT) {
return false;
}
if (visitor.shouldVisitCaptures && visitor.leave((ICPPASTCapture) this) == ASTVisitor.PROCESS_ABORT) {
return false;
}
return true;
}
@Override
public boolean capturesThisPointer() {
return false;
}
@Override
public int getRoleForName(IASTName name) {
if (name == fDeclarator.getName()) {
return r_declaration;
}
return r_unclear;
}
@Override
public boolean isByReference() {
IASTPointerOperator[] pointerOperators = fDeclarator.getPointerOperators();
return pointerOperators.length == 1 && pointerOperators[0] instanceof ICPPASTReferenceOperator;
}
@Override
public void setIsByReference(boolean value) {
assertNotFrozen();
boolean isReferenceCapture = isByReference();
if (value && !isReferenceCapture) {
fDeclarator.addPointerOperator(CPPNodeFactory.getDefault().newReferenceOperator(false));
} else if (!value && isReferenceCapture) {
// Use non API removePointerOperator
((CPPASTDeclarator) fDeclarator).removePointerOperator(fDeclarator.getPointerOperators()[0]);
}
}
@Override
public ICPPASTDeclarator getDeclarator() {
return fDeclarator;
}
@Override
public void setDeclarator(ICPPASTDeclarator declarator) {
assertNotFrozen();
Objects.requireNonNull(declarator, "An init capture declarator must not be null."); //$NON-NLS-1$
fDeclarator = declarator;
fDeclarator.setParent(this);
fDeclarator.setPropertyInParent(DECLARATOR);
}
@Override
public IASTName getIdentifier() {
return fDeclarator.getName();
}
@Override
public void setIdentifier(IASTName identifier) {
assertNotFrozen();
Objects.requireNonNull(identifier, "An init capture must have an identifier."); //$NON-NLS-1$
fDeclarator.setName(identifier);
}
}
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