--- trunk/src/mdParser/MDTreeParser.g	2012/08/22 02:28:28	1782
+++ trunk/src/mdParser/MDTreeParser.g	2014/04/05 20:56:01	1979
@@ -114,6 +114,7 @@ moleculestatement : assignment
                   | rigidbodyblock
                   | cutoffgroupblock
                   | fragmentblock
+                  | constraintblock
                   ;
 
 atomblock 
@@ -211,10 +212,12 @@ inversionstatement
 inversionstatement
 {
   int icent;
+  vector<int> ivec;
   InversionStamp* currInversionStamp = static_cast<InversionStamp*>(blockStack.top());
 }  
               : assignment
               | #(CENTER icent=intConst) {currInversionStamp->setCenter(icent);}
+              | #(SATELLITES ivec=inttuple) {currInversionStamp->setSatellites(ivec);}
               ;
 
 rigidbodyblock
@@ -272,7 +275,24 @@ fragmentstatement : assignment
 
 fragmentstatement : assignment
     ;
+
+constraintblock : #(CONSTRAINT {ConstraintStamp* currConstraintStamp = new ConstraintStamp(); blockStack.push(currConstraintStamp);}
+                (constraintstatement)* 
+                 ENDBLOCK )  {
+                                blockStack.pop(); 
+                                MoleculeStamp* currMoleculeStamp = static_cast<MoleculeStamp*>(blockStack.top());
+                                currMoleculeStamp->addConstraintStamp(currConstraintStamp); 
+                             }
+          ;
 
+constraintstatement 
+{
+  vector<int> ivec;
+  ConstraintStamp* currConstraintStamp = static_cast<ConstraintStamp*>(blockStack.top());
+}
+              : assignment
+              | #(MEMBERS ivec=inttuple) {currConstraintStamp->setMembers(ivec);}
+              ;
 
               
 doubleNumberTuple returns [vector<RealType> dvec]