/* * Creates the value wrapper from the given expression, and sets the valueKind on the given memberValuePair */ private Object getAnnotationMemberValue( MemberValuePair memberValuePair, Expression expression, JavaElement parentElement) { if (expression instanceof NullLiteral) { return null; } else if (expression instanceof Literal) { ((Literal) expression).computeConstant(); return Util.getAnnotationMemberValue(memberValuePair, expression.constant); } else if (expression instanceof org.aspectj.org.eclipse.jdt.internal.compiler.ast.Annotation) { memberValuePair.valueKind = IMemberValuePair.K_ANNOTATION; return getAnnotation( (org.aspectj.org.eclipse.jdt.internal.compiler.ast.Annotation) expression, parentElement); } else if (expression instanceof ClassLiteralAccess) { ClassLiteralAccess classLiteral = (ClassLiteralAccess) expression; char[] typeName = CharOperation.concatWith(classLiteral.type.getTypeName(), '.'); memberValuePair.valueKind = IMemberValuePair.K_CLASS; return new String(typeName); } else if (expression instanceof QualifiedNameReference) { char[] qualifiedName = CharOperation.concatWith(((QualifiedNameReference) expression).tokens, '.'); memberValuePair.valueKind = IMemberValuePair.K_QUALIFIED_NAME; return new String(qualifiedName); } else if (expression instanceof SingleNameReference) { char[] simpleName = ((SingleNameReference) expression).token; if (simpleName == RecoveryScanner.FAKE_IDENTIFIER) { memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN; return null; } memberValuePair.valueKind = IMemberValuePair.K_SIMPLE_NAME; return new String(simpleName); } else if (expression instanceof ArrayInitializer) { memberValuePair.valueKind = -1; // modified below by the first call to getMemberValue(...) Expression[] expressions = ((ArrayInitializer) expression).expressions; int length = expressions == null ? 0 : expressions.length; Object[] values = new Object[length]; for (int i = 0; i < length; i++) { int previousValueKind = memberValuePair.valueKind; Object value = getAnnotationMemberValue(memberValuePair, expressions[i], parentElement); if (previousValueKind != -1 && memberValuePair.valueKind != previousValueKind) { // values are heterogeneous, value kind is thus unknown memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN; } values[i] = value; } if (memberValuePair.valueKind == -1) memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN; return values; } else if (expression instanceof UnaryExpression) { // to deal with negative numerals (see bug - 248312) UnaryExpression unaryExpression = (UnaryExpression) expression; if ((unaryExpression.bits & ASTNode.OperatorMASK) >> ASTNode.OperatorSHIFT == OperatorIds.MINUS) { if (unaryExpression.expression instanceof Literal) { Literal subExpression = (Literal) unaryExpression.expression; subExpression.computeConstant(); return Util.getNegativeAnnotationMemberValue(memberValuePair, subExpression.constant); } } memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN; return null; } else { memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN; return null; } }