1) Moved net.sourceforge.phpeclipse.ui\src\net\sourceforge\phpdt back to net.sourcefo...
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / ast / TrueLiteral.java
index efc37a7..80ff4c8 100644 (file)
@@ -1,33 +1,80 @@
+/*******************************************************************************
+ * 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 java.util.List;
-import java.util.ArrayList;
+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 static final char[] source = {'t', 'r', 'u', 'e'};
+       public TrueLiteral(int s, int e) {
+               super(s, e);
+       }
 
-  public TrueLiteral(final int sourceStart, final int sourceEnd) {
-    super(sourceStart, sourceEnd);
-  }
+       public void computeConstant() {
 
-  public char[] source() {
-    return source;
-  }
+               constant = Constant.fromValue(true);
+       }
 
-  /**
-   * Return the expression as String.
-   * @return the expression
-   */
-  public String toStringExpression() {
-    return "true";//$NON-NLS-1$
-  }
+       /**
+        * 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 String toString() {
-    return "true";//$NON-NLS-1$
-  }
+       /**
+        * 
+        */
+       public char[] source() {
+               return source;
+       }
+
+       public void traverse(IAbstractSyntaxTreeVisitor visitor, BlockScope scope) {
+               visitor.visit(this, scope);
+               visitor.endVisit(this, scope);
+       }
 }