| /******************************************************************************* |
| * Copyright (c) 2000, 2009 IBM Corporation 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: |
| * 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); |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| } |