Refactored packagename to net.sourceforge.phpdt.internal.compiler.ast
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / ast / FalseLiteral.java
index 161eb67..f9d289e 100644 (file)
@@ -1,25 +1,67 @@
+/*******************************************************************************
+ * 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;
 
+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);}
 /**
- * @author Matthieu Casanova
+ * 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 final class FalseLiteral extends MagicLiteral {
-
-  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 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);
+}
+}