+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2000, 2008 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 net.sourceforge.phpdt.internal.compiler.ast;
-
-import net.sourceforge.phpdt.internal.compiler.ASTVisitor;
-import net.sourceforge.phpdt.internal.compiler.impl.Constant;
-import net.sourceforge.phpdt.internal.compiler.lookup.BaseTypeBinding;
-import net.sourceforge.phpdt.internal.compiler.lookup.Binding;
-import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
-import net.sourceforge.phpdt.internal.compiler.lookup.ElementValuePair;
-import net.sourceforge.phpdt.internal.compiler.lookup.FieldBinding;
-import net.sourceforge.phpdt.internal.compiler.lookup.MethodBinding;
-import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;
-
-/**
- * MemberValuePair node
- */
-public class MemberValuePair extends ASTNode {
-
- public char[] name;
- public Expression value;
- public MethodBinding binding;
- /**
- * The representation of this pair in the type system.
- */
- public ElementValuePair compilerElementPair = null;
-
- public MemberValuePair(char[] token, int sourceStart, int sourceEnd, Expression value) {
- this.name = token;
- this.sourceStart = sourceStart;
- this.sourceEnd = sourceEnd;
- this.value = value;
- if (value instanceof ArrayInitializer) {
- value.bits |= IsAnnotationDefaultValue;
- }
- }
-
- /* (non-Javadoc)
- * @see org.eclipse.jdt.internal.compiler.ast.ASTNode#print(int, java.lang.StringBuffer)
- */
- public StringBuffer print(int indent, StringBuffer output) {
- output
- .append(name)
- .append(" = "); //$NON-NLS-1$
- value.print(0, output);
- return output;
- }
-
- public void resolveTypeExpecting(BlockScope scope, TypeBinding requiredType) {
-
- if (this.value == null) {
- this.compilerElementPair = new ElementValuePair(this.name, this.value, this.binding);
- return;
- }
- if (requiredType == null) {
- // fault tolerance: keep resolving
- if (this.value instanceof ArrayInitializer) {
- this.value.resolveTypeExpecting(scope, null);
- } else {
- this.value.resolveType(scope);
- }
- this.compilerElementPair = new ElementValuePair(this.name, this.value, this.binding);
- return;
- }
-
- this.value.setExpectedType(requiredType); // needed in case of generic method invocation
- TypeBinding valueType;
- if (this.value instanceof ArrayInitializer) {
- ArrayInitializer initializer = (ArrayInitializer) this.value;
- valueType = initializer.resolveTypeExpecting(scope, this.binding.returnType);
- } else if (this.value instanceof ArrayAllocationExpression) {
- scope.problemReporter().annotationValueMustBeArrayInitializer(this.binding.declaringClass, this.name, this.value);
- this.value.resolveType(scope);
- valueType = null; // no need to pursue
- } else {
- valueType = this.value.resolveType(scope);
- }
- this.compilerElementPair = new ElementValuePair(this.name, this.value, this.binding);
- if (valueType == null)
- return;
-
- TypeBinding leafType = requiredType.leafComponentType();
- if (!((this.value.isConstantValueOfTypeAssignableToType(valueType, requiredType)
- || (requiredType.isBaseType() && BaseTypeBinding.isWidening(requiredType.id, valueType.id)))
- || valueType.isCompatibleWith(requiredType))) {
-
- if (!(requiredType.isArrayType()
- && requiredType.dimensions() == 1
- && (this.value.isConstantValueOfTypeAssignableToType(valueType, leafType)
- || (leafType.isBaseType() && BaseTypeBinding.isWidening(leafType.id, valueType.id)))
- || valueType.isCompatibleWith(leafType))) {
-
- if (leafType.isAnnotationType() && !valueType.isAnnotationType()) {
- scope.problemReporter().annotationValueMustBeAnnotation(this.binding.declaringClass, this.name, this.value, leafType);
- } else {
- scope.problemReporter().typeMismatchError(valueType, requiredType, this.value, null);
- }
- return; // may allow to proceed to find more errors at once
- }
- } else {
- scope.compilationUnitScope().recordTypeConversion(requiredType.leafComponentType(), valueType.leafComponentType());
- this.value.computeConversion(scope, requiredType, valueType);
- }
-
- // annotation methods can only return base types, String, Class, enum type, annotation types and arrays of these
- checkAnnotationMethodType: {
- switch (leafType.erasure().id) {
- case T_byte :
- case T_short :
- case T_char :
- case T_int :
- case T_long :
- case T_float :
- case T_double :
- case T_boolean :
- case T_JavaLangString :
- if (this.value instanceof ArrayInitializer) {
- ArrayInitializer initializer = (ArrayInitializer) this.value;
- final Expression[] expressions = initializer.expressions;
- if (expressions != null) {
- for (int i =0, max = expressions.length; i < max; i++) {
- Expression expression = expressions[i];
- if (expression.resolvedType == null) continue; // fault-tolerance
- if (expression.constant == Constant.NotAConstant) {
- scope.problemReporter().annotationValueMustBeConstant(this.binding.declaringClass, this.name, expressions[i], false);
- }
- }
- }
- } else if (this.value.constant == Constant.NotAConstant) {
- if (valueType.isArrayType()) {
- scope.problemReporter().annotationValueMustBeArrayInitializer(this.binding.declaringClass, this.name, this.value);
- } else {
- scope.problemReporter().annotationValueMustBeConstant(this.binding.declaringClass, this.name, this.value, false);
- }
- }
- break checkAnnotationMethodType;
- case T_JavaLangClass :
- if (this.value instanceof ArrayInitializer) {
- ArrayInitializer initializer = (ArrayInitializer) this.value;
- final Expression[] expressions = initializer.expressions;
- if (expressions != null) {
- for (int i =0, max = expressions.length; i < max; i++) {
- Expression currentExpression = expressions[i];
- if (!(currentExpression instanceof ClassLiteralAccess)) {
- scope.problemReporter().annotationValueMustBeClassLiteral(this.binding.declaringClass, this.name, currentExpression);
- }
- }
- }
- } else if (!(this.value instanceof ClassLiteralAccess)) {
- scope.problemReporter().annotationValueMustBeClassLiteral(this.binding.declaringClass, this.name, this.value);
- }
- break checkAnnotationMethodType;
- }
- if (leafType.isEnum()) {
- if (this.value instanceof NullLiteral) {
- scope.problemReporter().annotationValueMustBeConstant(this.binding.declaringClass, this.name, this.value, true);
- } else if (this.value instanceof ArrayInitializer) {
- ArrayInitializer initializer = (ArrayInitializer) this.value;
- final Expression[] expressions = initializer.expressions;
- if (expressions != null) {
- for (int i =0, max = expressions.length; i < max; i++) {
- Expression currentExpression = expressions[i];
- if (currentExpression instanceof NullLiteral) {
- scope.problemReporter().annotationValueMustBeConstant(this.binding.declaringClass, this.name, currentExpression, true);
- } else if (currentExpression instanceof NameReference) {
- NameReference nameReference = (NameReference) currentExpression;
- final Binding nameReferenceBinding = nameReference.binding;
- if (nameReferenceBinding.kind() == Binding.FIELD) {
- FieldBinding fieldBinding = (FieldBinding) nameReferenceBinding;
- if (!fieldBinding.declaringClass.isEnum()) {
- scope.problemReporter().annotationValueMustBeConstant(this.binding.declaringClass, this.name, currentExpression, true);
- }
- }
- }
- }
- }
- } else if (this.value instanceof NameReference) {
- NameReference nameReference = (NameReference) this.value;
- final Binding nameReferenceBinding = nameReference.binding;
- if (nameReferenceBinding.kind() == Binding.FIELD) {
- FieldBinding fieldBinding = (FieldBinding) nameReferenceBinding;
- if (!fieldBinding.declaringClass.isEnum()) {
- if (!fieldBinding.type.isArrayType()) {
- scope.problemReporter().annotationValueMustBeConstant(this.binding.declaringClass, this.name, this.value, true);
- } else {
- scope.problemReporter().annotationValueMustBeArrayInitializer(this.binding.declaringClass, this.name, this.value);
- }
- }
- }
- }
- break checkAnnotationMethodType;
- }
- if (leafType.isAnnotationType()) {
- if (!valueType.leafComponentType().isAnnotationType()) { // check annotation type and also reject null literal
- scope.problemReporter().annotationValueMustBeAnnotation(this.binding.declaringClass, this.name, this.value, leafType);
- } else if (this.value instanceof ArrayInitializer) {
- ArrayInitializer initializer = (ArrayInitializer) this.value;
- final Expression[] expressions = initializer.expressions;
- if (expressions != null) {
- for (int i =0, max = expressions.length; i < max; i++) {
- Expression currentExpression = expressions[i];
- if (currentExpression instanceof NullLiteral || !(currentExpression instanceof Annotation)) {
- scope.problemReporter().annotationValueMustBeAnnotation(this.binding.declaringClass, this.name, currentExpression, leafType);
- }
- }
- }
- } else if (!(this.value instanceof Annotation)) {
- scope.problemReporter().annotationValueMustBeAnnotation(this.binding.declaringClass, this.name, this.value, leafType);
- }
- break checkAnnotationMethodType;
- }
- }
- }
-
- public void traverse(ASTVisitor visitor, BlockScope scope) {
- if (visitor.visit(this, scope)) {
- if (this.value != null) {
- this.value.traverse(visitor, scope);
- }
- }
- visitor.endVisit(this, scope);
- }
-}
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