--- a/graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/template/ActualParameter.java	Tue Feb 19 14:29:12 2013 +0100
+++ b/graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/template/ActualParameter.java	Tue Feb 19 17:20:45 2013 +0100
@@ -30,16 +30,25 @@
 
     private final ParameterSpec specification;
     private final TypeMirror actualType;
+    private TemplateMethod method;
 
     public ActualParameter(ParameterSpec specification, TypeMirror actualType) {
         this.specification = specification;
         this.actualType = actualType;
     }
 
+    void setMethod(TemplateMethod method) {
+        this.method = method;
+    }
+
     public ParameterSpec getSpecification() {
         return specification;
     }
 
+    public TemplateMethod getMethod() {
+        return method;
+    }
+
     public TypeMirror getActualType() {
         return actualType;
     }
@@ -47,4 +56,8 @@
     public TypeData getActualTypeData(TypeSystemData typeSystem) {
         return typeSystem.findTypeData(actualType);
     }
+
+    public ActualParameter getPreviousParameter() {
+        return method.getPreviousParam(this);
+    }
 }