X-Git-Url: http://secure.phpeclipse.com diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/FalseLiteral.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/FalseLiteral.java index ec7be4b..613b3ef 100644 --- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/FalseLiteral.java +++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/FalseLiteral.java @@ -1,25 +1,79 @@ +/******************************************************************************* + * Copyright (c) 2000, 2003 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 net.sourceforge.phpdt.internal.compiler.ast; -import test.Token; +import net.sourceforge.phpdt.internal.compiler.IAbstractSyntaxTreeVisitor; +import net.sourceforge.phpdt.internal.compiler.impl.Constant; +import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope; +import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding; -/** - * @author Matthieu Casanova - */ public class FalseLiteral extends MagicLiteral { + static final char[] source = { 'f', 'a', 'l', 's', 'e' }; - public FalseLiteral(final Token token) { - super(token.sourceStart, token.sourceEnd); - } - - /** - * Return the expression as String. - * @return the expression - */ - public String toStringExpression() { - return "false";//$NON-NLS-1$ - } - - public String toString() { - return "false";//$NON-NLS-1$ - } -} \ No newline at end of file + public FalseLiteral(int s, int e) { + super(s, e); + } + + public void computeConstant() { + + constant = Constant.fromValue(false); + } + + /** + * Code generation for false literal + * + * @param currentScope + * net.sourceforge.phpdt.internal.compiler.lookup.BlockScope + * @param codeStream + * net.sourceforge.phpdt.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); + } +}