/******************************************************************************* * Copyright (c) 2000, 2010 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 * Stephan Herrmann - Contribution for bug 295551 *******************************************************************************/ package org.eclipse.jdt.internal.compiler.ast; import java.util.Arrays; import java.util.Comparator; import org.eclipse.jdt.core.compiler.CategorizedProblem; import org.eclipse.jdt.core.compiler.CharOperation; import org.eclipse.jdt.internal.compiler.ASTVisitor; import org.eclipse.jdt.internal.compiler.ClassFile; import org.eclipse.jdt.internal.compiler.CompilationResult; import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants; import org.eclipse.jdt.internal.compiler.impl.CompilerOptions; import org.eclipse.jdt.internal.compiler.impl.Constant; import org.eclipse.jdt.internal.compiler.impl.IrritantSet; import org.eclipse.jdt.internal.compiler.impl.ReferenceContext; import org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope; import org.eclipse.jdt.internal.compiler.lookup.ImportBinding; import org.eclipse.jdt.internal.compiler.lookup.LocalTypeBinding; import org.eclipse.jdt.internal.compiler.lookup.MethodScope; import org.eclipse.jdt.internal.compiler.lookup.TypeConstants; import org.eclipse.jdt.internal.compiler.lookup.TypeIds; import org.eclipse.jdt.internal.compiler.parser.NLSTag; import org.eclipse.jdt.internal.compiler.problem.AbortCompilationUnit; import org.eclipse.jdt.internal.compiler.problem.AbortMethod; import org.eclipse.jdt.internal.compiler.problem.AbortType; import org.eclipse.jdt.internal.compiler.problem.ProblemReporter; import org.eclipse.jdt.internal.compiler.problem.ProblemSeverities; import org.eclipse.jdt.internal.compiler.util.HashSetOfInt; public class CompilationUnitDeclaration extends ASTNode implements ProblemSeverities, ReferenceContext { private static final Comparator STRING_LITERAL_COMPARATOR= new Comparator() { public int compare(Object o1, Object o2) { StringLiteral literal1= (StringLiteral)o1; StringLiteral literal2= (StringLiteral)o2; return literal1.sourceStart - literal2.sourceStart; } }; private static final int STRING_LITERALS_INCREMENT= 10; public ImportReference currentPackage; public ImportReference[] imports; public TypeDeclaration[] types; public int[][] comments; public boolean ignoreFurtherInvestigation= false; // once pointless to investigate due to errors public boolean ignoreMethodBodies= false; public CompilationUnitScope scope; public ProblemReporter problemReporter; public CompilationResult compilationResult; public LocalTypeBinding[] localTypes; public int localTypeCount= 0; public boolean isPropagatingInnerClassEmulation; public Javadoc javadoc; // 1.5 addition for package-info.java public NLSTag[] nlsTags; private StringLiteral[] stringLiterals; private int stringLiteralsPtr; private HashSetOfInt stringLiteralsStart; IrritantSet[] suppressWarningIrritants; // irritant for suppressed warnings Annotation[] suppressWarningAnnotations; long[] suppressWarningScopePositions; // (start << 32) + end int suppressWarningsCount; public CompilationUnitDeclaration(ProblemReporter problemReporter, CompilationResult compilationResult, int sourceLength) { this.problemReporter= problemReporter; this.compilationResult= compilationResult; //by definition of a compilation unit.... this.sourceStart= 0; this.sourceEnd= sourceLength - 1; } /* * We cause the compilation task to abort to a given extent. */ public void abort(int abortLevel, CategorizedProblem problem) { switch (abortLevel) { case AbortType: throw new AbortType(this.compilationResult, problem); case AbortMethod: throw new AbortMethod(this.compilationResult, problem); default: throw new AbortCompilationUnit(this.compilationResult, problem); } } /* * Dispatch code analysis AND request saturation of inner emulation */ public void analyseCode() { if (this.ignoreFurtherInvestigation) return; try { if (this.types != null) { for (int i= 0, count= this.types.length; i < count; i++) { this.types[i].analyseCode(this.scope); } } // request inner emulation propagation propagateInnerEmulationForAllLocalTypes(); } catch (AbortCompilationUnit e) { this.ignoreFurtherInvestigation= true; return; } } /* * When unit result is about to be accepted, removed back pointers * to compiler structures. */ public void cleanUp() { if (this.types != null) { for (int i= 0, max= this.types.length; i < max; i++) { cleanUp(this.types[i]); } for (int i= 0, max= this.localTypeCount; i < max; i++) { LocalTypeBinding localType= this.localTypes[i]; // null out the type's scope backpointers localType.scope= null; // local members are already in the list localType.enclosingCase= null; } } this.compilationResult.recoveryScannerData= null; // recovery is already done ClassFile[] classFiles= this.compilationResult.getClassFiles(); for (int i= 0, max= classFiles.length; i < max; i++) { // clear the classFile back pointer to the bindings ClassFile classFile= classFiles[i]; // null out the classfile backpointer to a type binding classFile.referenceBinding= null; classFile.innerClassesBindings= null; classFile.missingTypes= null; classFile.visitedTypes= null; } this.suppressWarningAnnotations= null; } private void cleanUp(TypeDeclaration type) { if (type.memberTypes != null) { for (int i= 0, max= type.memberTypes.length; i < max; i++) { cleanUp(type.memberTypes[i]); } } if (type.binding != null && type.binding.isAnnotationType()) this.compilationResult.hasAnnotations= true; if (type.binding != null) { // null out the type's scope backpointers type.binding.scope= null; } } public void checkUnusedImports() { if (this.scope.imports != null) { for (int i= 0, max= this.scope.imports.length; i < max; i++) { ImportBinding importBinding= this.scope.imports[i]; ImportReference importReference= importBinding.reference; if (importReference != null && ((importReference.bits & ASTNode.Used) == 0)) { this.scope.problemReporter().unusedImport(importReference); } } } } public CompilationResult compilationResult() { return this.compilationResult; } public void createPackageInfoType() { TypeDeclaration declaration= new TypeDeclaration(this.compilationResult); declaration.name= TypeConstants.PACKAGE_INFO_NAME; declaration.modifiers= ClassFileConstants.AccDefault | ClassFileConstants.AccInterface; declaration.javadoc= this.javadoc; this.types[0]= declaration; // Assumes the first slot is meant for this type } /* * Finds the matching type amoung this compilation unit types. * Returns null if no type with this name is found. * The type name is a compound name * eg. if we're looking for X.A.B then a type name would be {X, A, B} */ public TypeDeclaration declarationOfType(char[][] typeName) { for (int i= 0; i < this.types.length; i++) { TypeDeclaration typeDecl= this.types[i].declarationOfType(typeName); if (typeDecl != null) { return typeDecl; } } return null; } public void finalizeProblems() { if (this.suppressWarningsCount == 0) return; int removed= 0; CategorizedProblem[] problems= this.compilationResult.problems; int problemCount= this.compilationResult.problemCount; IrritantSet[] foundIrritants= new IrritantSet[this.suppressWarningsCount]; CompilerOptions options= this.scope.compilerOptions(); boolean hasMandatoryErrors= false; nextProblem: for (int iProblem= 0, length= problemCount; iProblem < length; iProblem++) { CategorizedProblem problem= problems[iProblem]; int problemID= problem.getID(); int irritant= ProblemReporter.getIrritant(problemID); if (problem.isError()) { if (irritant == 0) { // tolerate unused warning tokens when mandatory errors hasMandatoryErrors= true; continue; } if (!options.suppressOptionalErrors) { continue; } } int start= problem.getSourceStart(); int end= problem.getSourceEnd(); nextSuppress: for (int iSuppress= 0, suppressCount= this.suppressWarningsCount; iSuppress < suppressCount; iSuppress++) { long position= this.suppressWarningScopePositions[iSuppress]; int startSuppress= (int)(position >>> 32); int endSuppress= (int)position; if (start < startSuppress) continue nextSuppress; if (end > endSuppress) continue nextSuppress; if (!this.suppressWarningIrritants[iSuppress].isSet(irritant)) continue nextSuppress; // discard suppressed warning removed++; problems[iProblem]= null; if (this.compilationResult.problemsMap != null) this.compilationResult.problemsMap.remove(problem); if (this.compilationResult.firstErrors != null) this.compilationResult.firstErrors.remove(problem); if (foundIrritants[iSuppress] == null) { foundIrritants[iSuppress]= new IrritantSet(irritant); } else { foundIrritants[iSuppress].set(irritant); } continue nextProblem; } } // compact remaining problems if (removed > 0) { for (int i= 0, index= 0; i < problemCount; i++) { CategorizedProblem problem; if ((problem= problems[i]) != null) { if (i > index) { problems[index++]= problem; } else { index++; } } } this.compilationResult.problemCount-= removed; } // flag SuppressWarnings which had no effect (only if no (mandatory) error got detected within unit if (!hasMandatoryErrors) { int severity= options.getSeverity(CompilerOptions.UnusedWarningToken); if (severity != ProblemSeverities.Ignore) { boolean unusedWarningTokenIsWarning= (severity & ProblemSeverities.Error) == 0; for (int iSuppress= 0, suppressCount= this.suppressWarningsCount; iSuppress < suppressCount; iSuppress++) { Annotation annotation= this.suppressWarningAnnotations[iSuppress]; if (annotation == null) continue; // implicit annotation IrritantSet irritants= this.suppressWarningIrritants[iSuppress]; if (unusedWarningTokenIsWarning && irritants.areAllSet()) continue; // @SuppressWarnings("all") also suppresses unused warning token if (irritants != foundIrritants[iSuppress]) { // mismatch, some warning tokens were unused MemberValuePair[] pairs= annotation.memberValuePairs(); pairLoop: for (int iPair= 0, pairCount= pairs.length; iPair < pairCount; iPair++) { MemberValuePair pair= pairs[iPair]; if (CharOperation.equals(pair.name, TypeConstants.VALUE)) { Expression value= pair.value; if (value instanceof ArrayInitializer) { ArrayInitializer initializer= (ArrayInitializer)value; Expression[] inits= initializer.expressions; if (inits != null) { for (int iToken= 0, tokenCount= inits.length; iToken < tokenCount; iToken++) { Constant cst= inits[iToken].constant; if (cst != Constant.NotAConstant && cst.typeID() == TypeIds.T_JavaLangString) { IrritantSet tokenIrritants= CompilerOptions.warningTokenToIrritants(cst.stringValue()); if (tokenIrritants != null && !tokenIrritants.areAllSet() // no complaint against @SuppressWarnings("all") && options.isAnyEnabled(tokenIrritants) // if irritant is effectively enabled && (foundIrritants[iSuppress] == null || !foundIrritants[iSuppress].isAnySet(tokenIrritants))) { // if irritant had no matching problem if (unusedWarningTokenIsWarning) { int start= value.sourceStart, end= value.sourceEnd; nextSuppress: for (int jSuppress= iSuppress - 1; jSuppress >= 0; jSuppress--) { long position= this.suppressWarningScopePositions[jSuppress]; int startSuppress= (int)(position >>> 32); int endSuppress= (int)position; if (start < startSuppress) continue nextSuppress; if (end > endSuppress) continue nextSuppress; if (this.suppressWarningIrritants[jSuppress].areAllSet()) break pairLoop; // suppress all? } } this.scope.problemReporter().unusedWarningToken(inits[iToken]); } } } } } else { Constant cst= value.constant; if (cst != Constant.NotAConstant && cst.typeID() == T_JavaLangString) { IrritantSet tokenIrritants= CompilerOptions.warningTokenToIrritants(cst.stringValue()); if (tokenIrritants != null && !tokenIrritants.areAllSet() // no complaint against @SuppressWarnings("all") && options.isAnyEnabled(tokenIrritants) // if irritant is effectevely enabled && (foundIrritants[iSuppress] == null || !foundIrritants[iSuppress].isAnySet(tokenIrritants))) { // if irritant had no matching problem if (unusedWarningTokenIsWarning) { int start= value.sourceStart, end= value.sourceEnd; nextSuppress: for (int jSuppress= iSuppress - 1; jSuppress >= 0; jSuppress--) { long position= this.suppressWarningScopePositions[jSuppress]; int startSuppress= (int)(position >>> 32); int endSuppress= (int)position; if (start < startSuppress) continue nextSuppress; if (end > endSuppress) continue nextSuppress; if (this.suppressWarningIrritants[jSuppress].areAllSet()) break pairLoop; // suppress all? } } this.scope.problemReporter().unusedWarningToken(value); } } } break pairLoop; } } } } } } } /** * Bytecode generation */ public void generateCode() { if (this.ignoreFurtherInvestigation) { if (this.types != null) { for (int i= 0, count= this.types.length; i < count; i++) { this.types[i].ignoreFurtherInvestigation= true; // propagate the flag to request problem type creation this.types[i].generateCode(this.scope); } } return; } try { if (this.types != null) { for (int i= 0, count= this.types.length; i < count; i++) this.types[i].generateCode(this.scope); } } catch (AbortCompilationUnit e) { // ignore } } public char[] getFileName() { return this.compilationResult.getFileName(); } public char[] getMainTypeName() { if (this.compilationResult.compilationUnit == null) { char[] fileName= this.compilationResult.getFileName(); int start= CharOperation.lastIndexOf('/', fileName) + 1; if (start == 0 || start < CharOperation.lastIndexOf('\\', fileName)) start= CharOperation.lastIndexOf('\\', fileName) + 1; int end= CharOperation.lastIndexOf('.', fileName); if (end == -1) end= fileName.length; return CharOperation.subarray(fileName, start, end); } else { return this.compilationResult.compilationUnit.getMainTypeName(); } } public boolean isEmpty() { return (this.currentPackage == null) && (this.imports == null) && (this.types == null); } public boolean isPackageInfo() { return CharOperation.equals(getMainTypeName(), TypeConstants.PACKAGE_INFO_NAME); } public boolean hasErrors() { return this.ignoreFurtherInvestigation; } public StringBuffer print(int indent, StringBuffer output) { if (this.currentPackage != null) { printIndent(indent, output).append("package "); //$NON-NLS-1$ this.currentPackage.print(0, output, false).append(";\n"); //$NON-NLS-1$ } if (this.imports != null) for (int i= 0; i < this.imports.length; i++) { printIndent(indent, output).append("import "); //$NON-NLS-1$ ImportReference currentImport= this.imports[i]; if (currentImport.isStatic()) { output.append("static "); //$NON-NLS-1$ } currentImport.print(0, output).append(";\n"); //$NON-NLS-1$ } if (this.types != null) { for (int i= 0; i < this.types.length; i++) { this.types[i].print(indent, output).append("\n"); //$NON-NLS-1$ } } return output; } /* * Force inner local types to update their innerclass emulation */ public void propagateInnerEmulationForAllLocalTypes() { this.isPropagatingInnerClassEmulation= true; for (int i= 0, max= this.localTypeCount; i < max; i++) { LocalTypeBinding localType= this.localTypes[i]; // only propagate for reachable local types if ((localType.scope.referenceType().bits & IsReachable) != 0) { localType.updateInnerEmulationDependents(); } } } public void recordStringLiteral(StringLiteral literal, boolean fromRecovery) { if (this.stringLiteralsStart != null) { if (this.stringLiteralsStart.contains(literal.sourceStart)) return; this.stringLiteralsStart.add(literal.sourceStart); } else if (fromRecovery) { this.stringLiteralsStart= new HashSetOfInt(this.stringLiteralsPtr + STRING_LITERALS_INCREMENT); for (int i= 0; i < this.stringLiteralsPtr; i++) { this.stringLiteralsStart.add(this.stringLiterals[i].sourceStart); } if (this.stringLiteralsStart.contains(literal.sourceStart)) return; this.stringLiteralsStart.add(literal.sourceStart); } if (this.stringLiterals == null) { this.stringLiterals= new StringLiteral[STRING_LITERALS_INCREMENT]; this.stringLiteralsPtr= 0; } else { int stackLength= this.stringLiterals.length; if (this.stringLiteralsPtr == stackLength) { System.arraycopy( this.stringLiterals, 0, this.stringLiterals= new StringLiteral[stackLength + STRING_LITERALS_INCREMENT], 0, stackLength); } } this.stringLiterals[this.stringLiteralsPtr++]= literal; } public void recordSuppressWarnings(IrritantSet irritants, Annotation annotation, int scopeStart, int scopeEnd) { if (this.suppressWarningIrritants == null) { this.suppressWarningIrritants= new IrritantSet[3]; this.suppressWarningAnnotations= new Annotation[3]; this.suppressWarningScopePositions= new long[3]; } else if (this.suppressWarningIrritants.length == this.suppressWarningsCount) { System.arraycopy(this.suppressWarningIrritants, 0, this.suppressWarningIrritants= new IrritantSet[2 * this.suppressWarningsCount], 0, this.suppressWarningsCount); System.arraycopy(this.suppressWarningAnnotations, 0, this.suppressWarningAnnotations= new Annotation[2 * this.suppressWarningsCount], 0, this.suppressWarningsCount); System.arraycopy(this.suppressWarningScopePositions, 0, this.suppressWarningScopePositions= new long[2 * this.suppressWarningsCount], 0, this.suppressWarningsCount); } final long scopePositions= ((long)scopeStart << 32) + scopeEnd; for (int i= 0, max= this.suppressWarningsCount; i < max; i++) { if (this.suppressWarningAnnotations[i] == annotation && this.suppressWarningScopePositions[i] == scopePositions && this.suppressWarningIrritants[i].hasSameIrritants(irritants)) { // annotation data already recorded return; } } this.suppressWarningIrritants[this.suppressWarningsCount]= irritants; this.suppressWarningAnnotations[this.suppressWarningsCount]= annotation; this.suppressWarningScopePositions[this.suppressWarningsCount++]= scopePositions; } /* * Keep track of all local types, so as to update their innerclass * emulation later on. */ public void record(LocalTypeBinding localType) { if (this.localTypeCount == 0) { this.localTypes= new LocalTypeBinding[5]; } else if (this.localTypeCount == this.localTypes.length) { System.arraycopy(this.localTypes, 0, (this.localTypes= new LocalTypeBinding[this.localTypeCount * 2]), 0, this.localTypeCount); } this.localTypes[this.localTypeCount++]= localType; } public void resolve() { int startingTypeIndex= 0; boolean isPackageInfo= isPackageInfo(); if (this.types != null && isPackageInfo) { // resolve synthetic type declaration final TypeDeclaration syntheticTypeDeclaration= this.types[0]; // set empty javadoc to avoid missing warning (see bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=95286) if (syntheticTypeDeclaration.javadoc == null) { syntheticTypeDeclaration.javadoc= new Javadoc(syntheticTypeDeclaration.declarationSourceStart, syntheticTypeDeclaration.declarationSourceStart); } syntheticTypeDeclaration.resolve(this.scope); /* * resolve javadoc package if any, skip this step if we don't have a valid scope due to an earlier error (bug 252555) * we do it now as the javadoc in the fake type won't be resolved. The peculiar usage of MethodScope to resolve the * package level javadoc is because the CU level resolve method is a NOP to mimic Javadoc's behavior and can't be used * as such. */ if (this.javadoc != null && syntheticTypeDeclaration.staticInitializerScope != null) { this.javadoc.resolve(syntheticTypeDeclaration.staticInitializerScope); } startingTypeIndex= 1; } else { // resolve compilation unit javadoc package if any if (this.javadoc != null) { this.javadoc.resolve(this.scope); } } if (this.currentPackage != null && this.currentPackage.annotations != null && !isPackageInfo) { this.scope.problemReporter().invalidFileNameForPackageAnnotations(this.currentPackage.annotations[0]); } try { if (this.types != null) { for (int i= startingTypeIndex, count= this.types.length; i < count; i++) { this.types[i].resolve(this.scope); } } if (!this.compilationResult.hasErrors()) checkUnusedImports(); reportNLSProblems(); } catch (AbortCompilationUnit e) { this.ignoreFurtherInvestigation= true; return; } } private void reportNLSProblems() { if (this.nlsTags != null || this.stringLiterals != null) { final int stringLiteralsLength= this.stringLiteralsPtr; final int nlsTagsLength= this.nlsTags == null ? 0 : this.nlsTags.length; if (stringLiteralsLength == 0) { if (nlsTagsLength != 0) { for (int i= 0; i < nlsTagsLength; i++) { NLSTag tag= this.nlsTags[i]; if (tag != null) { this.scope.problemReporter().unnecessaryNLSTags(tag.start, tag.end); } } } } else if (nlsTagsLength == 0) { // resize string literals if (this.stringLiterals.length != stringLiteralsLength) { System.arraycopy(this.stringLiterals, 0, (this.stringLiterals= new StringLiteral[stringLiteralsLength]), 0, stringLiteralsLength); } Arrays.sort(this.stringLiterals, STRING_LITERAL_COMPARATOR); for (int i= 0; i < stringLiteralsLength; i++) { this.scope.problemReporter().nonExternalizedStringLiteral(this.stringLiterals[i]); } } else { // need to iterate both arrays to find non matching elements if (this.stringLiterals.length != stringLiteralsLength) { System.arraycopy(this.stringLiterals, 0, (this.stringLiterals= new StringLiteral[stringLiteralsLength]), 0, stringLiteralsLength); } Arrays.sort(this.stringLiterals, STRING_LITERAL_COMPARATOR); int indexInLine= 1; int lastLineNumber= -1; StringLiteral literal= null; int index= 0; int i= 0; stringLiteralsLoop: for (; i < stringLiteralsLength; i++) { literal= this.stringLiterals[i]; final int literalLineNumber= literal.lineNumber; if (lastLineNumber != literalLineNumber) { indexInLine= 1; lastLineNumber= literalLineNumber; } else { indexInLine++; } if (index < nlsTagsLength) { nlsTagsLoop: for (; index < nlsTagsLength; index++) { NLSTag tag= this.nlsTags[index]; if (tag == null) continue nlsTagsLoop; int tagLineNumber= tag.lineNumber; if (literalLineNumber < tagLineNumber) { this.scope.problemReporter().nonExternalizedStringLiteral(literal); continue stringLiteralsLoop; } else if (literalLineNumber == tagLineNumber) { if (tag.index == indexInLine) { this.nlsTags[index]= null; index++; continue stringLiteralsLoop; } else { nlsTagsLoop2: for (int index2= index + 1; index2 < nlsTagsLength; index2++) { NLSTag tag2= this.nlsTags[index2]; if (tag2 == null) continue nlsTagsLoop2; int tagLineNumber2= tag2.lineNumber; if (literalLineNumber == tagLineNumber2) { if (tag2.index == indexInLine) { this.nlsTags[index2]= null; continue stringLiteralsLoop; } else { continue nlsTagsLoop2; } } else { this.scope.problemReporter().nonExternalizedStringLiteral(literal); continue stringLiteralsLoop; } } this.scope.problemReporter().nonExternalizedStringLiteral(literal); continue stringLiteralsLoop; } } else { this.scope.problemReporter().unnecessaryNLSTags(tag.start, tag.end); continue nlsTagsLoop; } } } // all nls tags have been processed, so remaining string literals are not externalized break stringLiteralsLoop; } for (; i < stringLiteralsLength; i++) { this.scope.problemReporter().nonExternalizedStringLiteral(this.stringLiterals[i]); } if (index < nlsTagsLength) { for (; index < nlsTagsLength; index++) { NLSTag tag= this.nlsTags[index]; if (tag != null) { this.scope.problemReporter().unnecessaryNLSTags(tag.start, tag.end); } } } } } } public void tagAsHavingErrors() { this.ignoreFurtherInvestigation= true; } public void traverse(ASTVisitor visitor, CompilationUnitScope unitScope) { if (this.ignoreFurtherInvestigation) return; try { if (visitor.visit(this, this.scope)) { if (this.types != null && isPackageInfo()) { // resolve synthetic type declaration final TypeDeclaration syntheticTypeDeclaration= this.types[0]; // resolve javadoc package if any final MethodScope methodScope= syntheticTypeDeclaration.staticInitializerScope; // Don't traverse in null scope and invite trouble a la bug 252555. if (this.javadoc != null && methodScope != null) { this.javadoc.traverse(visitor, methodScope); } // Don't traverse in null scope and invite trouble a la bug 252555. if (this.currentPackage != null && methodScope != null) { final Annotation[] annotations= this.currentPackage.annotations; if (annotations != null) { int annotationsLength= annotations.length; for (int i= 0; i < annotationsLength; i++) { annotations[i].traverse(visitor, methodScope); } } } } if (this.currentPackage != null) { this.currentPackage.traverse(visitor, this.scope); } if (this.imports != null) { int importLength= this.imports.length; for (int i= 0; i < importLength; i++) { this.imports[i].traverse(visitor, this.scope); } } if (this.types != null) { int typesLength= this.types.length; for (int i= 0; i < typesLength; i++) { this.types[i].traverse(visitor, this.scope); } } } visitor.endVisit(this, this.scope); } catch (AbortCompilationUnit e) { // ignore } } }