+/*******************************************************************************
+ * 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;
-/**
- * the true literal.
- * @author Matthieu Casanova
- */
public class TrueLiteral extends MagicLiteral {
+ static final char[] source = { 't', 'r', 'u', 'e' };
- public TrueLiteral(Token token) {
- super(token.sourceStart, token.sourceEnd);
- }
-
- /**
- * Return the expression as String.
- * @return the expression
- */
- public String toStringExpression() {
- return "true";//$NON-NLS-1$
- }
-
- public String toString() {
- return "true";//$NON-NLS-1$
- }
+ public TrueLiteral(int s, int e) {
+ super(s, e);
+ }
+
+ public void computeConstant() {
+
+ constant = Constant.fromValue(true);
+ }
+
+ /**
+ * Code generation for the true 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_1();
+ // codeStream.recordPositionsFrom(pc, this.sourceStart);
+ // }
+ // public void generateOptimizedBoolean(BlockScope currentScope, CodeStream
+ // codeStream, Label trueLabel, Label falseLabel, boolean valueRequired) {
+ //
+ // // trueLabel being not nil means that we will not fall through into the
+ // TRUE case
+ //
+ // int pc = codeStream.position;
+ // // constant == true
+ // if (valueRequired) {
+ // if (falseLabel == null) {
+ // // implicit falling through the FALSE case
+ // if (trueLabel != null) {
+ // codeStream.goto_(trueLabel);
+ // }
+ // }
+ // }
+ // 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);
+ }
}