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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.core.search.indexing;
import org.eclipse.jdt.core.compiler.CharOperation;
import org.eclipse.jdt.internal.compiler.IProblemFactory;
import org.eclipse.jdt.internal.compiler.ISourceElementRequestor;
import org.eclipse.jdt.internal.compiler.SourceElementParser;
import org.eclipse.jdt.internal.compiler.ast.ASTNode;
import org.eclipse.jdt.internal.compiler.ast.ImportReference;
import org.eclipse.jdt.internal.compiler.ast.QualifiedNameReference;
import org.eclipse.jdt.internal.compiler.ast.SingleNameReference;
import org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
/*
* A source element parser that avoids creating unnecessary nodes.
*/
public class IndexingParser extends SourceElementParser {
SingleNameReference singleNameReference = new SingleNameReference(CharOperation.NO_CHAR, 0);
QualifiedNameReference qualifiedNameReference = new QualifiedNameReference(CharOperation.NO_CHAR_CHAR, new long[0], 0, 0);
ImportReference importReference = new ImportReference(CharOperation.NO_CHAR_CHAR, new long[1], false, 0);
public IndexingParser(ISourceElementRequestor requestor, IProblemFactory problemFactory, CompilerOptions options, boolean reportLocalDeclarations, boolean optimizeStringLiterals, boolean useSourceJavadocParser) {
super(requestor, problemFactory, options, reportLocalDeclarations,
optimizeStringLiterals, useSourceJavadocParser);
}
@Override
protected ImportReference newImportReference(char[][] tokens, long[] sourcePositions, boolean onDemand, int mod) {
ImportReference ref = this.importReference;
ref.tokens = tokens;
ref.sourcePositions = sourcePositions;
if (onDemand) {
ref.bits |= ASTNode.OnDemand;
}
ref.sourceEnd = (int) (sourcePositions[sourcePositions.length-1] & 0x00000000FFFFFFFF);
ref.sourceStart = (int) (sourcePositions[0] >>> 32);
ref.modifiers = this.modifiers;
return ref;
}
@Override
protected SingleNameReference newSingleNameReference(char[] source, long positions) {
SingleNameReference ref = this.singleNameReference;
ref.token = source;
ref.sourceStart = (int) (positions >>> 32);
ref.sourceEnd = (int) positions;
return ref;
}
@Override
protected QualifiedNameReference newQualifiedNameReference(char[][] tokens, long[] positions, int sourceStart, int sourceEnd) {
QualifiedNameReference ref = this.qualifiedNameReference;
ref.tokens = tokens;
ref.sourcePositions = positions;
ref.sourceStart = sourceStart;
ref.sourceEnd = sourceEnd;
return ref;
}
}
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