--- /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.classfmt.ClassFileConstants;
+import net.sourceforge.phpdt.internal.compiler.codegen.*;
+import net.sourceforge.phpdt.internal.compiler.flow.*;
+import net.sourceforge.phpdt.internal.compiler.impl.Constant;
+import net.sourceforge.phpdt.internal.compiler.lookup.*;
+
+public class ClassLiteralAccess extends Expression {
+
+ public TypeReference type;
+ public TypeBinding targetType;
+ FieldBinding syntheticField;
+
+ public ClassLiteralAccess(int sourceEnd, TypeReference type) {
+ this.type = type;
+ type.bits |= IgnoreRawTypeCheck; // no need to worry about raw type usage
+ this.sourceStart = type.sourceStart;
+ this.sourceEnd = sourceEnd;
+ }
+
+ public FlowInfo analyseCode(
+ BlockScope currentScope,
+ FlowContext flowContext,
+ FlowInfo flowInfo) {
+
+ // if reachable, request the addition of a synthetic field for caching the class descriptor
+ SourceTypeBinding sourceType = currentScope.outerMostClassScope().enclosingSourceType();
+ // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=22334
+ if (!sourceType.isInterface()
+ && !targetType.isBaseType()
+ && currentScope.compilerOptions().sourceLevel < ClassFileConstants.JDK1_5) {
+ syntheticField = sourceType.addSyntheticFieldForClassLiteral(targetType, currentScope);
+ }
+ return flowInfo;
+ }
+
+ /**
+ * MessageSendDotClass code generation
+ *
+ * @param currentScope org.eclipse.jdt.internal.compiler.lookup.BlockScope
+ * @param codeStream org.eclipse.jdt.internal.compiler.codegen.CodeStream
+ * @param valueRequired boolean
+ */
+ public void generateCode(
+ BlockScope currentScope,
+ CodeStream codeStream,
+ boolean valueRequired) {
+ int pc = codeStream.position;
+
+ // in interface case, no caching occurs, since cannot make a cache field for interface
+ if (valueRequired) {
+ codeStream.generateClassLiteralAccessForType(type.resolvedType, syntheticField);
+ codeStream.generateImplicitConversion(this.implicitConversion);
+ }
+ codeStream.recordPositionsFrom(pc, this.sourceStart);
+ }
+
+ public StringBuffer printExpression(int indent, StringBuffer output) {
+
+ return type.print(0, output).append(".class"); //$NON-NLS-1$
+ }
+
+ public TypeBinding resolveType(BlockScope scope) {
+
+ constant = Constant.NotAConstant;
+ if ((targetType = type.resolveType(scope, true /* check bounds*/)) == null)
+ return null;
+
+ if (targetType.isArrayType()) {
+ ArrayBinding arrayBinding = (ArrayBinding) this.targetType;
+ TypeBinding leafComponentType = arrayBinding.leafComponentType;
+ if (leafComponentType == TypeBinding.VOID) {
+ scope.problemReporter().cannotAllocateVoidArray(this);
+ return null;
+ } else if (leafComponentType.isTypeVariable()) {
+ scope.problemReporter().illegalClassLiteralForTypeVariable((TypeVariableBinding)leafComponentType, this);
+ }
+ } else if (this.targetType.isTypeVariable()) {
+ scope.problemReporter().illegalClassLiteralForTypeVariable((TypeVariableBinding)targetType, this);
+ }
+ ReferenceBinding classType = scope.getJavaLangClass();
+ if (classType.isGenericType()) {
+ // Integer.class --> Class<Integer>, perform boxing of base types (int.class --> Class<Integer>)
+ TypeBinding boxedType = null;
+ if (targetType.id == T_void) {
+ boxedType = scope.environment().getResolvedType(JAVA_LANG_VOID, scope);
+ } else {
+ boxedType = scope.boxing(targetType);
+ }
+ this.resolvedType = scope.environment().createParameterizedType(classType, new TypeBinding[]{ boxedType }, null/*not a member*/);
+ } else {
+ this.resolvedType = classType;
+ }
+ return this.resolvedType;
+ }
+
+ public void traverse(
+ ASTVisitor visitor,
+ BlockScope blockScope) {
+
+ if (visitor.visit(this, blockScope)) {
+ type.traverse(visitor, blockScope);
+ }
+ visitor.endVisit(this, blockScope);
+ }
+}