Refactored packagename to net.sourceforge.phpdt.internal.compiler.ast
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / ast / TrueLiteral.java
index adb4b09..181a99f 100644 (file)
@@ -1,25 +1,69 @@
+/*******************************************************************************
+ * 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;
 
-/**
- * @author Matthieu Casanova
- */
-public class TrueLiteral extends MagicLiteral {
+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;
 
-  public static final char[] source = {'t', 'r', 'u', 'e'};
 
-  public TrueLiteral(int sourceStart, int sourceEnd) {
-    super(sourceStart, sourceEnd);
-  }
-
-  public char[] source() {
-    return source;
-  }
+public class TrueLiteral extends MagicLiteral {
+       static final char[] source = {'t' , 'r' , 'u' , 'e'};
+public TrueLiteral(int s , int e) {
+       super(s,e);
+}
+public void computeConstant() {
 
-  /**
-   * Return the expression as String.
-   * @return the expression
-   */
-  public String toStringExpression() {
-    return "true";//$NON-NLS-1$
-  }
+       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);
+}
 }