X-Git-Url: http://git.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/ListExpression.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/ListExpression.java
index 9b6ef8f..a167d1a 100644
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/ListExpression.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/ListExpression.java
@@ -1,25 +1,30 @@
 package net.sourceforge.phpdt.internal.compiler.ast;
 
+import java.util.List;
+import java.util.ArrayList;
+
 /**
+ * A list expression.
+ * it could be list($v1,$v2), list(,$v2) ...
  * @author Matthieu Casanova
  */
 public class ListExpression extends Expression {
 
-  public String[] vars;
+  public Expression[] vars;
   public Expression expression;
 
-  public ListExpression(String[] vars,
-                        Expression expression,
-                        int sourceStart,
-                        int sourceEnd) {
+  public ListExpression(final Expression[] vars,
+                        final Expression expression,
+                        final int sourceStart,
+                        final int sourceEnd) {
     super(sourceStart, sourceEnd);
     this.vars = vars;
     this.expression = expression;
   }
 
-  public ListExpression(String[] vars,
-                        int sourceStart,
-                        int sourceEnd) {
+  public ListExpression(final Expression[] vars,
+                        final int sourceStart,
+                        final int sourceEnd) {
     super(sourceStart, sourceEnd);
     this.vars = vars;
   }
@@ -31,12 +36,11 @@ public class ListExpression extends Expression {
   public String toStringExpression() {
     final StringBuffer buff = new StringBuffer("list(");
     for (int i = 0; i < vars.length; i++) {
-      String var = vars[i];
       if (i != 0) {
         buff.append(", ");
       }
-      if (var != null) {
-        buff.append(vars);
+      if (vars[i] != null) {
+        buff.append(vars[i].toStringExpression());
       }
     }
     if (expression != null) {
@@ -45,4 +49,40 @@ public class ListExpression extends Expression {
     }
     return buff.toString();
   }
+
+           /**
+   * Get the variables from outside (parameters, globals ...)
+   * @return the variables from outside
+   */
+  public List getOutsideVariable() {
+    return new ArrayList(1);
+  }
+
+  /**
+   * get the modified variables.
+   * @return the variables from we change value
+   */
+  public List getModifiedVariable() {
+    final ArrayList list = new ArrayList();
+    for (int i = 0; i < vars.length; i++) {
+      if (vars[i] != null) {
+        list.addAll(vars[i].getUsedVariable());
+      }
+    }
+    if (expression != null) {
+      list.addAll(expression.getModifiedVariable());
+    }
+    return list;
+  }
+
+  /**
+   * Get the variables used.
+   * @return the variables used
+   */
+  public List getUsedVariable() {
+    if (expression == null) {
+      return new ArrayList(1);
+    }
+    return expression.getUsedVariable();
+  }
 }