org.eclipse.jdt.internal.compiler.ast.SingleMemberAnnotation.java Source code

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Here is the source code for org.eclipse.jdt.internal.compiler.ast.SingleMemberAnnotation.java

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/*******************************************************************************
 * Copyright (c) 2000, 2013 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *     Jesper Steen Moller - Contributions for:
 *          Bug 412149: [1.8][compiler] Emit repeated annotations into the designated container
 *******************************************************************************/
package org.eclipse.jdt.internal.compiler.ast;

import org.eclipse.jdt.internal.compiler.ASTVisitor;
import org.eclipse.jdt.internal.compiler.lookup.*;

/**
 * SingleMemberAnnotation node
 */
public class SingleMemberAnnotation extends Annotation {

    public Expression memberValue;
    private MemberValuePair[] singlePairs; // fake pair set, only value has accurate positions

    public SingleMemberAnnotation(TypeReference type, int sourceStart) {
        this.type = type;
        this.sourceStart = sourceStart;
        this.sourceEnd = type.sourceEnd;
    }

    public SingleMemberAnnotation() {
        // for subclasses.
    }

    @Override
    public ElementValuePair[] computeElementValuePairs() {
        return new ElementValuePair[] { memberValuePairs()[0].compilerElementPair };
    }

    /**
     * @see org.eclipse.jdt.internal.compiler.ast.Annotation#memberValuePairs()
     */
    @Override
    public MemberValuePair[] memberValuePairs() {
        if (this.singlePairs == null) {
            this.singlePairs = new MemberValuePair[] { new MemberValuePair(VALUE, this.memberValue.sourceStart,
                    this.memberValue.sourceEnd, this.memberValue) };
        }
        return this.singlePairs;
    }

    @Override
    public StringBuffer printExpression(int indent, StringBuffer output) {
        super.printExpression(indent, output);
        output.append('(');
        this.memberValue.printExpression(indent, output);
        return output.append(')');
    }

    @Override
    public void traverse(ASTVisitor visitor, BlockScope scope) {
        if (visitor.visit(this, scope)) {
            if (this.type != null) {
                this.type.traverse(visitor, scope);
            }
            if (this.memberValue != null) {
                this.memberValue.traverse(visitor, scope);
            }
        }
        visitor.endVisit(this, scope);
    }

    @Override
    public void traverse(ASTVisitor visitor, ClassScope scope) {
        if (visitor.visit(this, scope)) {
            if (this.type != null) {
                this.type.traverse(visitor, scope);
            }
            if (this.memberValue != null) {
                this.memberValue.traverse(visitor, scope);
            }
        }
        visitor.endVisit(this, scope);
    }
}