v4 parser: removed unused eLoopIndex type

git-svn-id: https://www.dynare.org/svn/dynare/dynare_v4@1074 ac1d8469-bf42-47a9-8791-bf33cf982152

parser.src/ModelTree.cc

@@ -663,8 +663,6 @@ inline NodeID ModelTree::DeriveArgument(NodeID iArg, Type iType, int iVarID)
       return Zero;
     case eUNDEF         :
       return NullID;
-    case eLoopIndex     :
-      return Zero;
     default       :
       cout << "ModelTree::DeriveArgument : Error: Unknown Type\n";
       exit(-1);

parser.src/include/ModelTypes.hh

@@ -160,7 +160,6 @@ public :
       case eParameter:
       case eLocalParameter:
       case eNumericalConstant:
-      case eLoopIndex:
       case eUNDEF:
         // All derivatives are null
         break;

parser.src/include/SymbolTableTypes.hh

@@ -18,7 +18,6 @@ enum Type
     eRecursiveVariable = 3,        //!< Recursive variable (reserved for future use)
     eParameter = 4,                //!< Parameter
     eLocalParameter = 10,          //!< Parameter  local to a model
-    eLoopIndex = 5,                //!< Loop index
     eTempResult = 6,               //!< Temporary result, used only in Expression class
     eNumericalConstant = 7,        //!< Numerical constant,  used only in Expression class
     eUNDEF = 9                     //!< Undefined