--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v0.5
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v05.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ ******************************************************************************/
+package net.sourceforge.phpdt.internal.compiler.ast;
+
+import net.sourceforge.phpdt.internal.compiler.IAbstractSyntaxTreeVisitor;
+import net.sourceforge.phpdt.internal.compiler.impl.*;
+import net.sourceforge.phpdt.internal.compiler.codegen.*;
+import net.sourceforge.phpdt.internal.compiler.lookup.*;
+
+public class FalseLiteral extends MagicLiteral {
+ static final char[] source = {'f', 'a', 'l', 's', 'e'};
+public FalseLiteral(int s , int e) {
+ super(s,e);
+}
+public void computeConstant() {
+
+ constant = Constant.fromValue(false);}
+/**
+ * Code generation for false literal
+ *
+ * @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;
+ if (valueRequired)
+ codeStream.iconst_0();
+ codeStream.recordPositionsFrom(pc, this.sourceStart);
+}
+public void generateOptimizedBoolean(BlockScope currentScope, CodeStream codeStream, Label trueLabel, Label falseLabel, boolean valueRequired) {
+
+ // falseLabel being not nil means that we will not fall through into the FALSE case
+
+ int pc = codeStream.position;
+ if (valueRequired) {
+ if (falseLabel != null) {
+ // implicit falling through the TRUE case
+ if (trueLabel == null) {
+ codeStream.goto_(falseLabel);
+ }
+ }
+ }
+ codeStream.recordPositionsFrom(pc, this.sourceStart);
+}
+public TypeBinding literalType(BlockScope scope) {
+ return BooleanBinding;
+}
+/**
+ *
+ */
+public char[] source() {
+ return source;
+}
+public void traverse(IAbstractSyntaxTreeVisitor visitor, BlockScope scope) {
+ visitor.visit(this, scope);
+ visitor.endVisit(this, scope);
+}
+}