Refactory: smarty.ui plugin.

[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
index 125abe7..e643884 100644 (file)
--- 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
@@ -1,40 +1,55 @@
+/*******************************************************************************
+ * 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 net.sourceforge.phpdt.internal.compiler.flow.FlowContext;
+import net.sourceforge.phpdt.internal.compiler.flow.FlowInfo;
+import net.sourceforge.phpdt.internal.compiler.impl.Constant;
+import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
+import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;
 
-/**
- * Here is the Superclass of the Literal expressions.
- * @author Matthieu Casanova
- */
 public abstract class Literal extends Expression {
 
-  /**
-   * Create a Literal.
-   * @param sourceStart starting offset
-   * @param sourceEnd ending offset
-   */
-  protected Literal(final int sourceStart, final int sourceEnd) {
-    super(sourceStart, sourceEnd);
-  }
-
-  /**
-   * Get the variables from outside (parameters, globals ...)
-   *
-   * @param list the list where we will put variables
-   */
-  public final void getOutsideVariable(final List list) {}
-
-  /**
-   * get the modified variables.
-   *
-   * @param list the list where we will put variables
-   */
-  public final void getModifiedVariable(final List list) {}
-
-  /**
-   * Get the variables used.
-   *
-   * @param list the list where we will put variables
-   */
-  public void getUsedVariable(final List list) {}
+       public Literal(int s, int e) {
+               sourceStart = s;
+               sourceEnd = e;
+       }
+
+       public FlowInfo analyseCode(BlockScope currentScope,
+                       FlowContext flowContext, FlowInfo flowInfo) {
+               return flowInfo;
+       }
+
+       public abstract void computeConstant();
+
+       // ON ERROR constant STAYS NULL
+       public abstract TypeBinding literalType(BlockScope scope);
+
+       public StringBuffer printExpression(int indent, StringBuffer output) {
+
+               return output.append(source());
+       }
+
+       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;
+               }
+               this.resolvedType = literalType(scope);
+               return this.resolvedType;
+       }
+
+       public abstract char[] source();
 }