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

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/*******************************************************************************
 * Copyright (c) 2000, 2009 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
 *******************************************************************************/
package org.eclipse.jdt.internal.compiler.ast;

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

public class ExtendedStringLiteral extends StringLiteral {

    /**
     *  Build a string+char literal
     */
    public ExtendedStringLiteral(StringLiteral str, CharLiteral character) {

        super(str.source, str.sourceStart, str.sourceEnd, str.lineNumber);
        extendWith(character);
    }

    /**
     * Build a two-strings literal
     * */
    public ExtendedStringLiteral(StringLiteral str1, StringLiteral str2) {

        super(str1.source, str1.sourceStart, str1.sourceEnd, str1.lineNumber);
        extendWith(str2);
    }

    /**
     * Add the lit source to mine, just as if it was mine
     */
    @Override
    public ExtendedStringLiteral extendWith(CharLiteral lit) {

        //update the source
        int length = this.source.length;
        System.arraycopy(this.source, 0, (this.source = new char[length + 1]), 0, length);
        this.source[length] = lit.value;
        //position at the end of all literals
        this.sourceEnd = lit.sourceEnd;
        return this;
    }

    /**
     *  Add the lit source to mine, just as if it was mine
     */
    @Override
    public ExtendedStringLiteral extendWith(StringLiteral lit) {

        //uddate the source
        int length = this.source.length;
        System.arraycopy(this.source, 0, this.source = new char[length + lit.source.length], 0, length);
        System.arraycopy(lit.source, 0, this.source, length, lit.source.length);
        //position at the end of all literals
        this.sourceEnd = lit.sourceEnd;
        return this;
    }

    @Override
    public StringBuffer printExpression(int indent, StringBuffer output) {

        return output.append("ExtendedStringLiteral{").append(this.source).append('}'); //$NON-NLS-1$
    }

    @Override
    public void traverse(ASTVisitor visitor, BlockScope scope) {

        visitor.visit(this, scope);
        visitor.endVisit(this, scope);
    }
}