+++ /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);
- }
-}