--- /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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