removed Makefile; lifted repo/org.ibex.tool/src/ to src/

[org.ibex.tool.git] / src / org / eclipse / jdt / internal / compiler / ast / ClassLiteralAccess.java

diff --git a/src/org/eclipse/jdt/internal/compiler/ast/ClassLiteralAccess.java b/src/org/eclipse/jdt/internal/compiler/ast/ClassLiteralAccess.java
new file mode 100644 (file)
index 0000000..4a4136e
--- /dev/null
+++ b/src/org/eclipse/jdt/internal/compiler/ast/ClassLiteralAccess.java
@@ -0,0 +1,94 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jdt.internal.compiler.ast;
+
+import org.eclipse.jdt.internal.compiler.ASTVisitor;
+import org.eclipse.jdt.internal.compiler.codegen.*;
+import org.eclipse.jdt.internal.compiler.flow.*;
+import org.eclipse.jdt.internal.compiler.lookup.*;
+
+public class ClassLiteralAccess extends Expression {
+       
+       public TypeReference type;
+       public TypeBinding targetType;
+       FieldBinding syntheticField;
+
+       public ClassLiteralAccess(int sourceEnd, TypeReference t) {
+               type = t;
+               this.sourceStart = t.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.outerMostMethodScope().enclosingSourceType();
+               if (!(sourceType.isInterface()
+                       // no field generated in interface case (would'nt verify) see 1FHHEZL
+                       || sourceType.isBaseType())) {
+                       syntheticField = sourceType.addSyntheticField(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.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 = NotAConstant;
+               if ((targetType = type.resolveType(scope)) == null)
+                       return null;
+
+               if (targetType.isArrayType()
+                       && ((ArrayBinding) targetType).leafComponentType == VoidBinding) {
+                       scope.problemReporter().cannotAllocateVoidArray(this);
+                       return null;
+               }
+
+               return this.resolvedType = scope.getJavaLangClass();
+       }
+
+       public void traverse(
+               ASTVisitor visitor,
+               BlockScope blockScope) {
+
+               if (visitor.visit(this, blockScope)) {
+                       type.traverse(visitor, blockScope);
+               }
+               visitor.endVisit(this, blockScope);
+       }
+}