/******************************************************************************* * 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.compiler.parser; /** * Converter from source element type to parsed compilation unit. * * Limitation: * | The source element field does not carry any information for its constant part, thus * | the converted parse tree will not include any field initializations. * | Therefore, any binary produced by compiling against converted source elements will * | not take advantage of remote field constant inlining. * | Given the intended purpose of the conversion is to resolve references, this is not * | a problem. * */ import org.codehaus.jdt.groovy.integration.LanguageSupportFactory; import org.eclipse.jdt.core.IAnnotatable; import org.eclipse.jdt.core.IAnnotation; import org.eclipse.jdt.core.IImportDeclaration; import org.eclipse.jdt.core.IJavaElement; import org.eclipse.jdt.core.ISourceRange; import org.eclipse.jdt.core.JavaModelException; import org.eclipse.jdt.core.Signature; import org.eclipse.jdt.core.compiler.CharOperation; import org.eclipse.jdt.internal.compiler.CompilationResult; import org.eclipse.jdt.internal.compiler.ast.ASTNode; import org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration; import org.eclipse.jdt.internal.compiler.ast.Annotation; import org.eclipse.jdt.internal.compiler.ast.AnnotationMethodDeclaration; import org.eclipse.jdt.internal.compiler.ast.Argument; import org.eclipse.jdt.internal.compiler.ast.ArrayInitializer; import org.eclipse.jdt.internal.compiler.ast.Block; import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration; import org.eclipse.jdt.internal.compiler.ast.ConstructorDeclaration; import org.eclipse.jdt.internal.compiler.ast.Expression; import org.eclipse.jdt.internal.compiler.ast.FieldDeclaration; import org.eclipse.jdt.internal.compiler.ast.ImportReference; import org.eclipse.jdt.internal.compiler.ast.Initializer; import org.eclipse.jdt.internal.compiler.ast.MethodDeclaration; import org.eclipse.jdt.internal.compiler.ast.QualifiedAllocationExpression; import org.eclipse.jdt.internal.compiler.ast.Statement; import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration; import org.eclipse.jdt.internal.compiler.ast.TypeParameter; import org.eclipse.jdt.internal.compiler.ast.TypeReference; import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants; import org.eclipse.jdt.internal.compiler.env.ICompilationUnit; import org.eclipse.jdt.internal.compiler.env.ISourceImport; import org.eclipse.jdt.internal.compiler.env.ISourceType; import org.eclipse.jdt.internal.compiler.lookup.ExtraCompilerModifiers; import org.eclipse.jdt.internal.compiler.problem.ProblemReporter; import org.eclipse.jdt.internal.core.CompilationUnitElementInfo; import org.eclipse.jdt.internal.core.ImportDeclaration; import org.eclipse.jdt.internal.core.InitializerElementInfo; import org.eclipse.jdt.internal.core.JavaElement; import org.eclipse.jdt.internal.core.PackageFragment; import org.eclipse.jdt.internal.core.SourceAnnotationMethodInfo; import org.eclipse.jdt.internal.core.SourceField; import org.eclipse.jdt.internal.core.SourceFieldElementInfo; import org.eclipse.jdt.internal.core.SourceMethod; import org.eclipse.jdt.internal.core.SourceMethodElementInfo; import org.eclipse.jdt.internal.core.SourceType; import org.eclipse.jdt.internal.core.SourceTypeElementInfo; import org.eclipse.jdt.internal.core.util.Util; public class SourceTypeConverter extends TypeConverter { /* * Exception thrown while converting an anonymous type of a member type * in this case, we must parse the source as the enclosing instance cannot be recreated * from the model */ static class AnonymousMemberFound extends RuntimeException { private static final long serialVersionUID = 1L; } public static final int FIELD = 0x01; public static final int CONSTRUCTOR = 0x02; public static final int METHOD = 0x04; public static final int MEMBER_TYPE = 0x08; public static final int FIELD_INITIALIZATION = 0x10; public static final int FIELD_AND_METHOD = FIELD | CONSTRUCTOR | METHOD; public static final int LOCAL_TYPE = 0x20; public static final int NONE = 0; private int flags; private CompilationUnitDeclaration unit; private Parser parser; private ICompilationUnit cu; private char[] source; private SourceTypeConverter(int flags, ProblemReporter problemReporter) { super(problemReporter, Signature.C_DOT); this.flags = flags; } /* * Convert a set of source element types into a parsed compilation unit declaration * The argument types are then all grouped in the same unit. The argument types must * at least contain one type. * Can optionally ignore fields & methods or member types or field initialization */ public static CompilationUnitDeclaration buildCompilationUnit( ISourceType[] sourceTypes, int flags, ProblemReporter problemReporter, CompilationResult compilationResult) { // long start = System.currentTimeMillis(); SourceTypeConverter converter = new SourceTypeConverter(flags, problemReporter); try { return converter.convert(sourceTypes, compilationResult); } catch (JavaModelException e) { return null; /* } finally { System.out.println("Spent " + (System.currentTimeMillis() - start) + "ms to convert " + ((JavaElement) converter.cu).toStringWithAncestors()); */ } } /* * Convert a set of source element types into a parsed compilation unit declaration * The argument types are then all grouped in the same unit. The argument types must * at least contain one type. */ private CompilationUnitDeclaration convert(ISourceType[] sourceTypes, CompilationResult compilationResult) throws JavaModelException { // GROOVY start /* old this.unit = new CompilationUnitDeclaration(this.problemReporter, compilationResult, 0); */// new this.unit = LanguageSupportFactory.newCompilationUnitDeclaration((ICompilationUnit) ((SourceTypeElementInfo) sourceTypes[0]).getHandle().getCompilationUnit(), this.problemReporter, compilationResult, 0); // GROOVY end // not filled at this point if (sourceTypes.length == 0) return this.unit; SourceTypeElementInfo topLevelTypeInfo = (SourceTypeElementInfo) sourceTypes[0]; org.eclipse.jdt.core.ICompilationUnit cuHandle = topLevelTypeInfo.getHandle().getCompilationUnit(); this.cu = (ICompilationUnit) cuHandle; // GROOVY start // trying to avoid building an incorrect TypeDeclaration below (when it should be a GroovyTypeDeclaration). // similar to code below that creates the Parser and calls dietParse // FIXASC think about doing the necessary rewrite below rather than this - does it make things too slow? // final boolean isInterestingProject = LanguageSupportFactory.isInterestingProject(compilationResult.getCompilationUnit().getjavaBuilder.getProject()); // FIXASC should be 'true' here? if (LanguageSupportFactory.isInterestingSourceFile(new String(compilationResult.getFileName()))) { try { return LanguageSupportFactory.getParser(this, problemReporter.options, problemReporter, true, 3).dietParse(this.cu, compilationResult); } catch (Throwable t) { t.printStackTrace(); } } // GROOVY end if (this.has1_5Compliance && ((CompilationUnitElementInfo) ((JavaElement) this.cu).getElementInfo()).annotationNumber > 10) { // experimental value // If more than 10 annotations, diet parse as this is faster, but not if // the client wants local and anonymous types to be converted (https://bugs.eclipse.org/bugs/show_bug.cgi?id=254738) if ((this.flags & LOCAL_TYPE) == 0) { return new Parser(this.problemReporter, true).dietParse(this.cu, compilationResult); } } /* only positions available */ int start = topLevelTypeInfo.getNameSourceStart(); int end = topLevelTypeInfo.getNameSourceEnd(); /* convert package and imports */ String[] packageName = ((PackageFragment) cuHandle.getParent()).names; if (packageName.length > 0) // if its null then it is defined in the default package this.unit.currentPackage = createImportReference(packageName, start, end, false, ClassFileConstants.AccDefault); IImportDeclaration[] importDeclarations = topLevelTypeInfo.getHandle().getCompilationUnit().getImports(); int importCount = importDeclarations.length; this.unit.imports = new ImportReference[importCount]; for (int i = 0; i < importCount; i++) { ImportDeclaration importDeclaration = (ImportDeclaration) importDeclarations[i]; ISourceImport sourceImport = (ISourceImport) importDeclaration.getElementInfo(); String nameWithoutStar = importDeclaration.getNameWithoutStar(); this.unit.imports[i] = createImportReference( Util.splitOn('.', nameWithoutStar, 0, nameWithoutStar.length()), sourceImport.getDeclarationSourceStart(), sourceImport.getDeclarationSourceEnd(), importDeclaration.isOnDemand(), sourceImport.getModifiers()); } /* convert type(s) */ try { int typeCount = sourceTypes.length; final TypeDeclaration[] types = new TypeDeclaration[typeCount]; /* * We used a temporary types collection to prevent this.unit.types from being null during a call to * convert(...) when the source is syntactically incorrect and the parser is flushing the unit's types. * See https://bugs.eclipse.org/bugs/show_bug.cgi?id=97466 */ for (int i = 0; i < typeCount; i++) { SourceTypeElementInfo typeInfo = (SourceTypeElementInfo) sourceTypes[i]; types[i] = convert((SourceType) typeInfo.getHandle(), compilationResult); } this.unit.types = types; return this.unit; } catch (AnonymousMemberFound e) { return new Parser(this.problemReporter, true).parse(this.cu, compilationResult); } } /* * Convert an initializerinfo into a parsed initializer declaration */ private Initializer convert(InitializerElementInfo initializerInfo, CompilationResult compilationResult) throws JavaModelException { Block block = new Block(0); Initializer initializer = new Initializer(block, ClassFileConstants.AccDefault); int start = initializerInfo.getDeclarationSourceStart(); int end = initializerInfo.getDeclarationSourceEnd(); initializer.sourceStart = initializer.declarationSourceStart = start; initializer.sourceEnd = initializer.declarationSourceEnd = end; initializer.modifiers = initializerInfo.getModifiers(); /* convert local and anonymous types */ IJavaElement[] children = initializerInfo.getChildren(); int typesLength = children.length; if (typesLength > 0) { Statement[] statements = new Statement[typesLength]; for (int i = 0; i < typesLength; i++) { SourceType type = (SourceType) children[i]; TypeDeclaration localType = convert(type, compilationResult); if ((localType.bits & ASTNode.IsAnonymousType) != 0) { QualifiedAllocationExpression expression = new QualifiedAllocationExpression(localType); expression.type = localType.superclass; localType.superclass = null; localType.superInterfaces = null; localType.allocation = expression; statements[i] = expression; } else { statements[i] = localType; } } block.statements = statements; } return initializer; } /* * Convert a field source element into a parsed field declaration */ private FieldDeclaration convert(SourceField fieldHandle, TypeDeclaration type, CompilationResult compilationResult) throws JavaModelException { SourceFieldElementInfo fieldInfo = (SourceFieldElementInfo) fieldHandle.getElementInfo(); FieldDeclaration field = new FieldDeclaration(); int start = fieldInfo.getNameSourceStart(); int end = fieldInfo.getNameSourceEnd(); field.name = fieldHandle.getElementName().toCharArray(); field.sourceStart = start; field.sourceEnd = end; field.declarationSourceStart = fieldInfo.getDeclarationSourceStart(); field.declarationSourceEnd = fieldInfo.getDeclarationSourceEnd(); int modifiers = fieldInfo.getModifiers(); boolean isEnumConstant = (modifiers & ClassFileConstants.AccEnum) != 0; if (isEnumConstant) { field.modifiers = modifiers & ~ClassFileConstants.AccEnum; // clear AccEnum bit onto AST (binding will add it) } else { field.modifiers = modifiers; field.type = createTypeReference(fieldInfo.getTypeName(), start, end); } // convert 1.5 specific constructs only if compliance is 1.5 or above if (this.has1_5Compliance) { /* convert annotations */ field.annotations = convertAnnotations(fieldHandle); } /* conversion of field constant */ if ((this.flags & FIELD_INITIALIZATION) != 0) { char[] initializationSource = fieldInfo.getInitializationSource(); if (initializationSource != null) { if (this.parser == null) { this.parser = new Parser(this.problemReporter, true); } this.parser.parse(field, type, this.unit, initializationSource); } } /* conversion of local and anonymous types */ if ((this.flags & LOCAL_TYPE) != 0) { IJavaElement[] children = fieldInfo.getChildren(); int childrenLength = children.length; if (childrenLength == 1) { field.initialization = convert(children[0], isEnumConstant ? field : null, compilationResult); } else if (childrenLength > 1) { ArrayInitializer initializer = new ArrayInitializer(); field.initialization = initializer; Expression[] expressions = new Expression[childrenLength]; initializer.expressions = expressions; for (int i = 0; i < childrenLength; i++) { expressions[i] = convert(children[i], isEnumConstant ? field : null, compilationResult); } } } return field; } private QualifiedAllocationExpression convert(IJavaElement localType, FieldDeclaration enumConstant, CompilationResult compilationResult) throws JavaModelException { TypeDeclaration anonymousLocalTypeDeclaration = convert((SourceType) localType, compilationResult); QualifiedAllocationExpression expression = new QualifiedAllocationExpression(anonymousLocalTypeDeclaration); expression.type = anonymousLocalTypeDeclaration.superclass; anonymousLocalTypeDeclaration.superclass = null; anonymousLocalTypeDeclaration.superInterfaces = null; anonymousLocalTypeDeclaration.allocation = expression; if (enumConstant != null) { anonymousLocalTypeDeclaration.modifiers &= ~ClassFileConstants.AccEnum; expression.enumConstant = enumConstant; expression.type = null; } return expression; } /* * Convert a method source element into a parsed method/constructor declaration */ private AbstractMethodDeclaration convert(SourceMethod methodHandle, SourceMethodElementInfo methodInfo, CompilationResult compilationResult) throws JavaModelException { AbstractMethodDeclaration method; /* only source positions available */ int start = methodInfo.getNameSourceStart(); int end = methodInfo.getNameSourceEnd(); // convert 1.5 specific constructs only if compliance is 1.5 or above TypeParameter[] typeParams = null; if (this.has1_5Compliance) { /* convert type parameters */ char[][] typeParameterNames = methodInfo.getTypeParameterNames(); if (typeParameterNames != null) { int parameterCount = typeParameterNames.length; if (parameterCount > 0) { // method's type parameters must be null if no type parameter char[][][] typeParameterBounds = methodInfo.getTypeParameterBounds(); typeParams = new TypeParameter[parameterCount]; for (int i = 0; i < parameterCount; i++) { typeParams[i] = createTypeParameter(typeParameterNames[i], typeParameterBounds[i], start, end); } } } } int modifiers = methodInfo.getModifiers(); if (methodInfo.isConstructor()) { ConstructorDeclaration decl = new ConstructorDeclaration(compilationResult); decl.bits &= ~ASTNode.IsDefaultConstructor; method = decl; decl.typeParameters = typeParams; } else { MethodDeclaration decl; if (methodInfo.isAnnotationMethod()) { AnnotationMethodDeclaration annotationMethodDeclaration = new AnnotationMethodDeclaration(compilationResult); /* conversion of default value */ SourceAnnotationMethodInfo annotationMethodInfo = (SourceAnnotationMethodInfo) methodInfo; boolean hasDefaultValue = annotationMethodInfo.defaultValueStart != -1 || annotationMethodInfo.defaultValueEnd != -1; if ((this.flags & FIELD_INITIALIZATION) != 0) { if (hasDefaultValue) { char[] defaultValueSource = CharOperation.subarray(getSource(), annotationMethodInfo.defaultValueStart, annotationMethodInfo.defaultValueEnd+1); if (defaultValueSource != null) { Expression expression = parseMemberValue(defaultValueSource); if (expression != null) { annotationMethodDeclaration.defaultValue = expression; } } else { // could not retrieve the default value hasDefaultValue = false; } } } if (hasDefaultValue) modifiers |= ClassFileConstants.AccAnnotationDefault; decl = annotationMethodDeclaration; } else { decl = new MethodDeclaration(compilationResult); } // convert return type decl.returnType = createTypeReference(methodInfo.getReturnTypeName(), start, end); // type parameters decl.typeParameters = typeParams; method = decl; } method.selector = methodHandle.getElementName().toCharArray(); boolean isVarargs = (modifiers & ClassFileConstants.AccVarargs) != 0; method.modifiers = modifiers & ~ClassFileConstants.AccVarargs; method.sourceStart = start; method.sourceEnd = end; method.declarationSourceStart = methodInfo.getDeclarationSourceStart(); method.declarationSourceEnd = methodInfo.getDeclarationSourceEnd(); // convert 1.5 specific constructs only if compliance is 1.5 or above if (this.has1_5Compliance) { /* convert annotations */ method.annotations = convertAnnotations(methodHandle); } /* convert arguments */ String[] argumentTypeSignatures = methodHandle.getParameterTypes(); char[][] argumentNames = methodInfo.getArgumentNames(); int argumentCount = argumentTypeSignatures == null ? 0 : argumentTypeSignatures.length; if (argumentCount > 0) { long position = ((long) start << 32) + end; method.arguments = new Argument[argumentCount]; for (int i = 0; i < argumentCount; i++) { TypeReference typeReference = createTypeReference(argumentTypeSignatures[i], start, end); if (isVarargs && i == argumentCount-1) { typeReference.bits |= ASTNode.IsVarArgs; } method.arguments[i] = new Argument( argumentNames[i], position, typeReference, ClassFileConstants.AccDefault); // do not care whether was final or not } } /* convert thrown exceptions */ char[][] exceptionTypeNames = methodInfo.getExceptionTypeNames(); int exceptionCount = exceptionTypeNames == null ? 0 : exceptionTypeNames.length; if (exceptionCount > 0) { method.thrownExceptions = new TypeReference[exceptionCount]; for (int i = 0; i < exceptionCount; i++) { method.thrownExceptions[i] = createTypeReference(exceptionTypeNames[i], start, end); } } /* convert local and anonymous types */ if ((this.flags & LOCAL_TYPE) != 0) { IJavaElement[] children = methodInfo.getChildren(); int typesLength = children.length; if (typesLength != 0) { Statement[] statements = new Statement[typesLength]; for (int i = 0; i < typesLength; i++) { SourceType type = (SourceType) children[i]; TypeDeclaration localType = convert(type, compilationResult); if ((localType.bits & ASTNode.IsAnonymousType) != 0) { QualifiedAllocationExpression expression = new QualifiedAllocationExpression(localType); expression.type = localType.superclass; localType.superclass = null; localType.superInterfaces = null; localType.allocation = expression; statements[i] = expression; } else { statements[i] = localType; } } method.statements = statements; } } return method; } /* * Convert a source element type into a parsed type declaration */ private TypeDeclaration convert(SourceType typeHandle, CompilationResult compilationResult) throws JavaModelException { SourceTypeElementInfo typeInfo = (SourceTypeElementInfo) typeHandle.getElementInfo(); if (typeInfo.isAnonymousMember()) throw new AnonymousMemberFound(); /* create type declaration - can be member type */ TypeDeclaration type = new TypeDeclaration(compilationResult); if (typeInfo.getEnclosingType() == null) { if (typeHandle.isAnonymous()) { type.name = CharOperation.NO_CHAR; type.bits |= (ASTNode.IsAnonymousType|ASTNode.IsLocalType); } else { if (typeHandle.isLocal()) { type.bits |= ASTNode.IsLocalType; } } } else { type.bits |= ASTNode.IsMemberType; } if ((type.bits & ASTNode.IsAnonymousType) == 0) { type.name = typeInfo.getName(); } type.name = typeInfo.getName(); int start, end; // only positions available type.sourceStart = start = typeInfo.getNameSourceStart(); type.sourceEnd = end = typeInfo.getNameSourceEnd(); type.modifiers = typeInfo.getModifiers(); type.declarationSourceStart = typeInfo.getDeclarationSourceStart(); type.declarationSourceEnd = typeInfo.getDeclarationSourceEnd(); type.bodyEnd = type.declarationSourceEnd; // convert 1.5 specific constructs only if compliance is 1.5 or above if (this.has1_5Compliance) { /* convert annotations */ type.annotations = convertAnnotations(typeHandle); /* convert type parameters */ char[][] typeParameterNames = typeInfo.getTypeParameterNames(); if (typeParameterNames.length > 0) { int parameterCount = typeParameterNames.length; char[][][] typeParameterBounds = typeInfo.getTypeParameterBounds(); type.typeParameters = new TypeParameter[parameterCount]; for (int i = 0; i < parameterCount; i++) { type.typeParameters[i] = createTypeParameter(typeParameterNames[i], typeParameterBounds[i], start, end); } } } /* set superclass and superinterfaces */ if (typeInfo.getSuperclassName() != null) { type.superclass = createTypeReference(typeInfo.getSuperclassName(), start, end); type.superclass.bits |= ASTNode.IsSuperType; } char[][] interfaceNames = typeInfo.getInterfaceNames(); int interfaceCount = interfaceNames == null ? 0 : interfaceNames.length; if (interfaceCount > 0) { type.superInterfaces = new TypeReference[interfaceCount]; for (int i = 0; i < interfaceCount; i++) { type.superInterfaces[i] = createTypeReference(interfaceNames[i], start, end); type.superInterfaces[i].bits |= ASTNode.IsSuperType; } } /* convert member types */ if ((this.flags & MEMBER_TYPE) != 0) { SourceType[] sourceMemberTypes = typeInfo.getMemberTypeHandles(); int sourceMemberTypeCount = sourceMemberTypes.length; type.memberTypes = new TypeDeclaration[sourceMemberTypeCount]; for (int i = 0; i < sourceMemberTypeCount; i++) { type.memberTypes[i] = convert(sourceMemberTypes[i], compilationResult); } } /* convert intializers and fields*/ InitializerElementInfo[] initializers = null; int initializerCount = 0; if ((this.flags & LOCAL_TYPE) != 0) { initializers = typeInfo.getInitializers(); initializerCount = initializers.length; } SourceField[] sourceFields = null; int sourceFieldCount = 0; if ((this.flags & FIELD) != 0) { sourceFields = typeInfo.getFieldHandles(); sourceFieldCount = sourceFields.length; } int length = initializerCount + sourceFieldCount; if (length > 0) { type.fields = new FieldDeclaration[length]; for (int i = 0; i < initializerCount; i++) { type.fields[i] = convert(initializers[i], compilationResult); } int index = 0; for (int i = initializerCount; i < length; i++) { type.fields[i] = convert(sourceFields[index++], type, compilationResult); } } /* convert methods - need to add default constructor if necessary */ boolean needConstructor = (this.flags & CONSTRUCTOR) != 0; boolean needMethod = (this.flags & METHOD) != 0; if (needConstructor || needMethod) { SourceMethod[] sourceMethods = typeInfo.getMethodHandles(); int sourceMethodCount = sourceMethods.length; /* source type has a constructor ? */ /* by default, we assume that one is needed. */ int extraConstructor = 0; int methodCount = 0; int kind = TypeDeclaration.kind(type.modifiers); boolean isAbstract = kind == TypeDeclaration.INTERFACE_DECL || kind == TypeDeclaration.ANNOTATION_TYPE_DECL; if (!isAbstract) { extraConstructor = needConstructor ? 1 : 0; for (int i = 0; i < sourceMethodCount; i++) { if (sourceMethods[i].isConstructor()) { if (needConstructor) { extraConstructor = 0; // Does not need the extra constructor since one constructor already exists. methodCount++; } } else if (needMethod) { methodCount++; } } } else { methodCount = needMethod ? sourceMethodCount : 0; } type.methods = new AbstractMethodDeclaration[methodCount + extraConstructor]; if (extraConstructor != 0) { // add default constructor in first position type.methods[0] = type.createDefaultConstructor(false, false); } int index = 0; boolean hasAbstractMethods = false; for (int i = 0; i < sourceMethodCount; i++) { SourceMethod sourceMethod = sourceMethods[i]; SourceMethodElementInfo methodInfo = (SourceMethodElementInfo)sourceMethod.getElementInfo(); boolean isConstructor = methodInfo.isConstructor(); if ((methodInfo.getModifiers() & ClassFileConstants.AccAbstract) != 0) { hasAbstractMethods = true; } if ((isConstructor && needConstructor) || (!isConstructor && needMethod)) { AbstractMethodDeclaration method = convert(sourceMethod, methodInfo, compilationResult); if (isAbstract || method.isAbstract()) { // fix-up flag method.modifiers |= ExtraCompilerModifiers.AccSemicolonBody; } type.methods[extraConstructor + index++] = method; } } if (hasAbstractMethods) type.bits |= ASTNode.HasAbstractMethods; } return type; } private Annotation[] convertAnnotations(IAnnotatable element) throws JavaModelException { IAnnotation[] annotations = element.getAnnotations(); int length = annotations.length; Annotation[] astAnnotations = new Annotation[length]; if (length > 0) { char[] cuSource = getSource(); int recordedAnnotations = 0; for (int i = 0; i < length; i++) { ISourceRange positions = annotations[i].getSourceRange(); int start = positions.getOffset(); int end = start + positions.getLength(); char[] annotationSource = CharOperation.subarray(cuSource, start, end); if (annotationSource != null) { Expression expression = parseMemberValue(annotationSource); /* * expression can be null or not an annotation if the source has changed between * the moment where the annotation source positions have been retrieved and the moment were * this parsing occurred. * See https://bugs.eclipse.org/bugs/show_bug.cgi?id=90916 */ if (expression instanceof Annotation) { astAnnotations[recordedAnnotations++] = (Annotation) expression; } } } if (length != recordedAnnotations) { // resize to remove null annotations System.arraycopy(astAnnotations, 0, (astAnnotations = new Annotation[recordedAnnotations]), 0, recordedAnnotations); } } return astAnnotations; } private char[] getSource() { if (this.source == null) this.source = this.cu.getContents(); return this.source; } private Expression parseMemberValue(char[] memberValue) { // memberValue must not be null if (this.parser == null) { this.parser = new Parser(this.problemReporter, true); } return this.parser.parseMemberValue(memberValue, 0, memberValue.length, this.unit); } }