--- a/ast/Exp.d	Sun May 25 21:13:56 2008 +0200
+++ b/ast/Exp.d	Tue May 27 10:32:31 2008 +0200
@@ -138,11 +138,11 @@
     }
 }
 
-class AssignExp : Exp
+class AssignExp : BinaryExp
 {
-    this(SLoc op, Exp identifier, Exp exp)
+    this(SLoc op_loc, Operator op, Exp identifier, Exp exp)
     {
-        super(ExpType.AssignExp, op);
+        super(ExpType.AssignExp, op_loc, op, identifier, exp);
         this.identifier = identifier;
         this.exp = exp;
     }
@@ -171,6 +171,11 @@
     public enum Operator
     {
         Assign,
+        AddAssign,
+        SubAssign,
+        MulAssign,
+        DivAssign,
+        ModAssign,
 
         Eq, Ne,
 
@@ -185,7 +190,7 @@
         And, Or, Xor,
     }
 
-    char[][] getOp = ["=","==","!=","<","<=",">",">=","+","-","*","/","%","<<",">>",">>>"];
+    char[][] getOp = ["=","+=","-=","*=","/=","%=","==","!=","<","<=",">",">=","+","-","*","/","%","<<",">>",">>>"];
 
     this(SLoc op_loc, Operator op, Exp left, Exp right)
     {
@@ -195,6 +200,14 @@
         this.right = right;
     }
 
+    protected this(ExpType e, SLoc op_loc, Operator op, Exp left, Exp right)
+    {
+        super(e, op_loc);
+        this.op = op;
+        this.left = left;
+        this.right = right;
+    }
+
     override DType type()
     {
         if (myType)