first scanner /parser copied from the jdt java version

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

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/Literal.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/Literal.java
new file mode 100644 (file)
index 0000000..2e1e638
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/Literal.java
@@ -0,0 +1,38 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v0.5 
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v05.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ ******************************************************************************/
+package net.sourceforge.phpdt.internal.compiler.ast;
+
+import net.sourceforge.phpdt.internal.compiler.impl.*;
+import net.sourceforge.phpdt.internal.compiler.lookup.*;
+
+public abstract class Literal extends Expression {
+       
+
+public Literal(int s,int e) {
+       sourceStart = s ;
+       sourceEnd= e;
+}
+public abstract void computeConstant() ;
+       //ON ERROR constant STAYS NULL
+public abstract TypeBinding literalType(BlockScope scope);
+public TypeBinding resolveType(BlockScope scope) {
+       // compute the real value, which must range its type's range
+
+       computeConstant();
+       if (constant == null) {
+               scope.problemReporter().constantOutOfRange(this);
+               constant = Constant.NotAConstant;
+               return null;
+       }
+       return literalType(scope);
+}
+public abstract char[] source() ;
+}