removed Makefile; lifted repo/org.ibex.tool/src/ to src/
[org.ibex.tool.git] / src / org / eclipse / jdt / internal / compiler / ast / TrueLiteral.java
diff --git a/src/org/eclipse/jdt/internal/compiler/ast/TrueLiteral.java b/src/org/eclipse/jdt/internal/compiler/ast/TrueLiteral.java
new file mode 100644 (file)
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+/*******************************************************************************
+ * Copyright (c) 2000, 2004 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 org.eclipse.jdt.internal.compiler.ast;
+
+import org.eclipse.jdt.internal.compiler.ASTVisitor;
+import org.eclipse.jdt.internal.compiler.codegen.CodeStream;
+import org.eclipse.jdt.internal.compiler.codegen.Label;
+import org.eclipse.jdt.internal.compiler.impl.Constant;
+import org.eclipse.jdt.internal.compiler.lookup.BlockScope;
+import org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
+
+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() {
+
+       constant = Constant.fromValue(true);}
+/**
+ * Code generation for the true literal
+ *
+ * @param currentScope org.eclipse.jdt.internal.compiler.lookup.BlockScope
+ * @param codeStream org.eclipse.jdt.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(ASTVisitor visitor, BlockScope scope) {
+       visitor.visit(this, scope);
+       visitor.endVisit(this, scope);
+}
+}