Refactored packagename to net.sourceforge.phpdt.internal.compiler.ast

[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / ast / PrefixExpression.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/PrefixExpression.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/PrefixExpression.java
new file mode 100644 (file)
index 0000000..f978601
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/PrefixExpression.java
@@ -0,0 +1,60 @@
+/*******************************************************************************
+ * 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 net.sourceforge.phpdt.internal.compiler.ASTVisitor;
+import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
+
+public class PrefixExpression extends CompoundAssignment {
+
+       /**
+        * PrefixExpression constructor comment.
+        * @param l net.sourceforge.phpdt.internal.compiler.ast.Expression
+        * @param r net.sourceforge.phpdt.internal.compiler.ast.Expression
+        * @param op int
+        */
+       public PrefixExpression(Expression l, Expression e, int op, int pos) {
+
+               super(l, e, op, l.sourceEnd);
+               this.sourceStart = pos;
+               this.sourceEnd = l.sourceEnd;
+       }
+
+       public String operatorToString() {
+
+               switch (operator) {
+                       case PLUS :
+                               return "++"; //$NON-NLS-1$
+                       case MINUS :
+                               return "--"; //$NON-NLS-1$
+               } 
+               return "unknown operator"; //$NON-NLS-1$
+       }
+
+       public boolean restrainUsageToNumericTypes() {
+
+               return true;
+       }
+
+       public String toStringExpressionNoParenthesis() {
+
+               return operatorToString() + " " + lhs.toStringExpression(); //$NON-NLS-1$
+
+       }
+
+       public void traverse(ASTVisitor visitor, BlockScope scope) {
+
+               if (visitor.visit(this, scope)) {
+                       lhs.traverse(visitor, scope);
+               }
+               visitor.endVisit(this, scope);
+       }
+}