Beispiel #1
0
		protected override bool DoDefineMembers ()
		{
			if (!base.DoDefineMembers ())
				return false;

			Location loc = Location;

			Method equals = new Method (this, null, new TypeExpression (TypeManager.bool_type, loc),
				Modifiers.PUBLIC | Modifiers.OVERRIDE | Modifiers.DEBUGGER_HIDDEN, new MemberName ("Equals", loc),
				Mono.CSharp.ParametersCompiled.CreateFullyResolved (new Parameter (null, "obj", 0, null, loc), TypeManager.object_type), null);

			Method tostring = new Method (this, null, new TypeExpression (TypeManager.string_type, loc),
				Modifiers.PUBLIC | Modifiers.OVERRIDE | Modifiers.DEBUGGER_HIDDEN, new MemberName ("ToString", loc),
				Mono.CSharp.ParametersCompiled.EmptyReadOnlyParameters, null);

			ToplevelBlock equals_block = new ToplevelBlock (Compiler, equals.ParameterInfo, loc);
			TypeExpr current_type;
			if (type_params != null) {
				var targs = new TypeArguments ();
				foreach (var type_param in type_params)
					targs.Add (new TypeParameterExpr (type_param, type_param.Location));

				current_type = new GenericTypeExpr (Definition, targs, loc);
			} else {
				current_type = new TypeExpression (Definition, loc);
			}

			equals_block.AddVariable (current_type, "other", loc);
			LocalVariableReference other_variable = new LocalVariableReference (equals_block, "other", loc);

			MemberAccess system_collections_generic = new MemberAccess (new MemberAccess (
				new QualifiedAliasMember ("global", "System", loc), "Collections", loc), "Generic", loc);

			Expression rs_equals = null;
			Expression string_concat = new StringConstant ("{", loc);
			Expression rs_hashcode = new IntConstant (-2128831035, loc);
			for (int i = 0; i < parameters.Count; ++i) {
				var p = parameters [i];
				var f = Fields [i];

				MemberAccess equality_comparer = new MemberAccess (new MemberAccess (
					system_collections_generic, "EqualityComparer",
						new TypeArguments (new SimpleName (CurrentTypeParameters [i].Name, loc)), loc),
						"Default", loc);

				Arguments arguments_equal = new Arguments (2);
				arguments_equal.Add (new Argument (new MemberAccess (new This (f.Location), f.Name)));
				arguments_equal.Add (new Argument (new MemberAccess (other_variable, f.Name)));

				Expression field_equal = new Invocation (new MemberAccess (equality_comparer,
					"Equals", loc), arguments_equal);

				Arguments arguments_hashcode = new Arguments (1);
				arguments_hashcode.Add (new Argument (new MemberAccess (new This (f.Location), f.Name)));
				Expression field_hashcode = new Invocation (new MemberAccess (equality_comparer,
					"GetHashCode", loc), arguments_hashcode);

				IntConstant FNV_prime = new IntConstant (16777619, loc);				
				rs_hashcode = new Binary (Binary.Operator.Multiply,
					new Binary (Binary.Operator.ExclusiveOr, rs_hashcode, field_hashcode, loc),
					FNV_prime, loc);

				Expression field_to_string = new Conditional (new BooleanExpression (new Binary (Binary.Operator.Inequality,
					new MemberAccess (new This (f.Location), f.Name), new NullLiteral (loc), loc)),
					new Invocation (new MemberAccess (
						new MemberAccess (new This (f.Location), f.Name), "ToString"), null),
					new StringConstant (string.Empty, loc), loc);

				if (rs_equals == null) {
					rs_equals = field_equal;
					string_concat = new Binary (Binary.Operator.Addition,
						string_concat,
						new Binary (Binary.Operator.Addition,
							new StringConstant (" " + p.Name + " = ", loc),
							field_to_string,
							loc),
						loc);
					continue;
				}

				//
				// Implementation of ToString () body using string concatenation
				//				
				string_concat = new Binary (Binary.Operator.Addition,
					new Binary (Binary.Operator.Addition,
						string_concat,
						new StringConstant (", " + p.Name + " = ", loc),
						loc),
					field_to_string,
					loc);

				rs_equals = new Binary (Binary.Operator.LogicalAnd, rs_equals, field_equal, loc);
			}

			string_concat = new Binary (Binary.Operator.Addition,
				string_concat,
				new StringConstant (" }", loc),
				loc);

			//
			// Equals (object obj) override
			//		
			LocalVariableReference other_variable_assign = new LocalVariableReference (equals_block, "other", loc);
			equals_block.AddStatement (new StatementExpression (
				new SimpleAssign (other_variable_assign,
					new As (equals_block.GetParameterReference ("obj", loc),
						current_type, loc), loc)));

			Expression equals_test = new Binary (Binary.Operator.Inequality, other_variable, new NullLiteral (loc), loc);
			if (rs_equals != null)
				equals_test = new Binary (Binary.Operator.LogicalAnd, equals_test, rs_equals, loc);
			equals_block.AddStatement (new Return (equals_test, loc));

			equals.Block = equals_block;
			equals.Define ();
			AddMethod (equals);

			//
			// GetHashCode () override
			//
			Method hashcode = new Method (this, null, new TypeExpression (TypeManager.int32_type, loc),
				Modifiers.PUBLIC | Modifiers.OVERRIDE | Modifiers.DEBUGGER_HIDDEN,
				new MemberName ("GetHashCode", loc),
				Mono.CSharp.ParametersCompiled.EmptyReadOnlyParameters, null);

			//
			// Modified FNV with good avalanche behavior and uniform
			// distribution with larger hash sizes.
			//
			// const int FNV_prime = 16777619;
			// int hash = (int) 2166136261;
			// foreach (int d in data)
			//     hash = (hash ^ d) * FNV_prime;
			// hash += hash << 13;
			// hash ^= hash >> 7;
			// hash += hash << 3;
			// hash ^= hash >> 17;
			// hash += hash << 5;

			ToplevelBlock hashcode_top = new ToplevelBlock (Compiler, loc);
			Block hashcode_block = new Block (hashcode_top);
			hashcode_top.AddStatement (new Unchecked (hashcode_block, loc));

			hashcode_block.AddVariable (new TypeExpression (TypeManager.int32_type, loc), "hash", loc);
			LocalVariableReference hash_variable = new LocalVariableReference (hashcode_block, "hash", loc);
			LocalVariableReference hash_variable_assign = new LocalVariableReference (hashcode_block, "hash", loc);
			hashcode_block.AddStatement (new StatementExpression (
				new SimpleAssign (hash_variable_assign, rs_hashcode)));

			hashcode_block.AddStatement (new StatementExpression (
				new CompoundAssign (Binary.Operator.Addition, hash_variable,
					new Binary (Binary.Operator.LeftShift, hash_variable, new IntConstant (13, loc), loc), loc)));
			hashcode_block.AddStatement (new StatementExpression (
				new CompoundAssign (Binary.Operator.ExclusiveOr, hash_variable,
					new Binary (Binary.Operator.RightShift, hash_variable, new IntConstant (7, loc), loc), loc)));
			hashcode_block.AddStatement (new StatementExpression (
				new CompoundAssign (Binary.Operator.Addition, hash_variable,
					new Binary (Binary.Operator.LeftShift, hash_variable, new IntConstant (3, loc), loc), loc)));
			hashcode_block.AddStatement (new StatementExpression (
				new CompoundAssign (Binary.Operator.ExclusiveOr, hash_variable,
					new Binary (Binary.Operator.RightShift, hash_variable, new IntConstant (17, loc), loc), loc)));
			hashcode_block.AddStatement (new StatementExpression (
				new CompoundAssign (Binary.Operator.Addition, hash_variable,
					new Binary (Binary.Operator.LeftShift, hash_variable, new IntConstant (5, loc), loc), loc)));

			hashcode_block.AddStatement (new Return (hash_variable, loc));
			hashcode.Block = hashcode_top;
			hashcode.Define ();
			AddMethod (hashcode);

			//
			// ToString () override
			//

			ToplevelBlock tostring_block = new ToplevelBlock (Compiler, loc);
			tostring_block.AddStatement (new Return (string_concat, loc));
			tostring.Block = tostring_block;
			tostring.Define ();
			AddMethod (tostring);

			return true;
		}
Beispiel #2
0
  /** the generated parser.
      Maintains a state and a value stack, currently with fixed maximum size.
      @param yyLex scanner.
      @return result of the last reduction, if any.
      @throws yyException on irrecoverable parse error.
    */
  internal Object yyparse (yyParser.yyInput yyLex)
  {
    if (yyMax <= 0) yyMax = 256;			// initial size
    int yyState = 0;                                   // state stack ptr
    int [] yyStates = new int[yyMax];	                // state stack 
    Object yyVal = null;                               // value stack ptr
    Object [] yyVals = new Object[yyMax];	        // value stack
    int yyToken = -1;					// current input
    int yyErrorFlag = 0;				// #tks to shift

    /*yyLoop:*/ for (int yyTop = 0;; ++ yyTop) {
      if (yyTop >= yyStates.Length) {			// dynamically increase
        int[] i = new int[yyStates.Length+yyMax];
        yyStates.CopyTo (i, 0);
        yyStates = i;
        Object[] o = new Object[yyVals.Length+yyMax];
        yyVals.CopyTo (o, 0);
        yyVals = o;
      }
      yyStates[yyTop] = yyState;
      yyVals[yyTop] = yyVal;
//t      if (debug != null) debug.push(yyState, yyVal);

      /*yyDiscarded:*/ for (;;) {	// discarding a token does not change stack
        int yyN;
        if ((yyN = yyDefRed[yyState]) == 0) {	// else [default] reduce (yyN)
          if (yyToken < 0) {
            yyToken = yyLex.advance() ? yyLex.token() : 0;
//t            if (debug != null)
//t              debug.lex(yyState, yyToken, yyname(yyToken), yyLex.value());
          }
          if ((yyN = yySindex[yyState]) != 0 && ((yyN += yyToken) >= 0)
              && (yyN < yyTable.Length) && (yyCheck[yyN] == yyToken)) {
//t            if (debug != null)
//t              debug.shift(yyState, yyTable[yyN], yyErrorFlag-1);
            yyState = yyTable[yyN];		// shift to yyN
            yyVal = yyLex.value();
            yyToken = -1;
            if (yyErrorFlag > 0) -- yyErrorFlag;
            goto continue_yyLoop;
          }
          if ((yyN = yyRindex[yyState]) != 0 && (yyN += yyToken) >= 0
              && yyN < yyTable.Length && yyCheck[yyN] == yyToken)
            yyN = yyTable[yyN];			// reduce (yyN)
          else
            switch (yyErrorFlag) {
  
            case 0:
              yyExpectingState = yyState;
              // yyerror(String.Format ("syntax error, got token `{0}'", yyname (yyToken)), yyExpecting(yyState));
//t              if (debug != null) debug.error("syntax error");
              if (yyToken == 0 /*eof*/ || yyToken == eof_token) throw new yyParser.yyUnexpectedEof ();
              goto case 1;
            case 1: case 2:
              yyErrorFlag = 3;
              do {
                if ((yyN = yySindex[yyStates[yyTop]]) != 0
                    && (yyN += Token.yyErrorCode) >= 0 && yyN < yyTable.Length
                    && yyCheck[yyN] == Token.yyErrorCode) {
//t                  if (debug != null)
//t                    debug.shift(yyStates[yyTop], yyTable[yyN], 3);
                  yyState = yyTable[yyN];
                  yyVal = yyLex.value();
                  goto continue_yyLoop;
                }
//t                if (debug != null) debug.pop(yyStates[yyTop]);
              } while (-- yyTop >= 0);
//t              if (debug != null) debug.reject();
              throw new yyParser.yyException("irrecoverable syntax error");
  
            case 3:
              if (yyToken == 0) {
//t                if (debug != null) debug.reject();
                throw new yyParser.yyException("irrecoverable syntax error at end-of-file");
              }
//t              if (debug != null)
//t                debug.discard(yyState, yyToken, yyname(yyToken),
//t  							yyLex.value());
              yyToken = -1;
              goto continue_yyDiscarded;		// leave stack alone
            }
        }
        int yyV = yyTop + 1-yyLen[yyN];
//t        if (debug != null)
//t          debug.reduce(yyState, yyStates[yyV-1], yyN, YYRules.getRule (yyN), yyLen[yyN]);
        yyVal = yyDefault(yyV > yyTop ? null : yyVals[yyV]);
        switch (yyN) {
case 6:
#line 366 "cs-parser.jay"
  {
		Lexer.check_incorrect_doc_comment ();
	  }
  break;
case 7:
#line 370 "cs-parser.jay"
  {
		Lexer.check_incorrect_doc_comment ();
	  }
  break;
case 15:
#line 393 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-2+yyTop];
		string s = lt.Value;
		if (s != "alias"){
			syntax_error (lt.Location, "`alias' expected");
		} else if (RootContext.Version == LanguageVersion.ISO_1) {
			Report.FeatureIsNotAvailable (lt.Location, "external alias");
		} else {
			lt = (LocatedToken) yyVals[-1+yyTop]; 
			current_namespace.AddUsingExternalAlias (lt.Value, lt.Location);
		}
	  }
  break;
case 16:
#line 406 "cs-parser.jay"
  {
	  	syntax_error (GetLocation (yyVals[-1+yyTop]), "`alias' expected");   /* TODO: better*/
	  }
  break;
case 19:
#line 418 "cs-parser.jay"
  {
		if (RootContext.Documentation != null)
			Lexer.doc_state = XmlCommentState.Allowed;
	  }
  break;
case 20:
#line 423 "cs-parser.jay"
  {
		if (RootContext.Documentation != null)
			Lexer.doc_state = XmlCommentState.Allowed;
	  }
  break;
case 21:
#line 431 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-3+yyTop];
		current_namespace.AddUsingAlias (lt.Value, (MemberName) yyVals[-1+yyTop], (Location) yyVals[-4+yyTop]);
	  }
  break;
case 22:
#line 435 "cs-parser.jay"
  {
		CheckIdentifierToken (yyToken, GetLocation (yyVals[0+yyTop]));
		yyVal = null;
	  }
  break;
case 23:
#line 443 "cs-parser.jay"
  {
		current_namespace.AddUsing ((MemberName) yyVals[-1+yyTop], (Location) yyVals[-2+yyTop]);
	  }
  break;
case 24:
#line 455 "cs-parser.jay"
  {
		MemberName name = (MemberName) yyVals[0+yyTop];

		if (yyVals[-2+yyTop] != null) {
			Report.Error(1671, name.Location, "A namespace declaration cannot have modifiers or attributes");
		}

		current_namespace = new NamespaceEntry (
			current_namespace, file, name.GetName ());
		current_class = current_namespace.SlaveDeclSpace;
		current_container = current_class.PartialContainer;
	  }
  break;
case 25:
#line 468 "cs-parser.jay"
  { 
		current_namespace = current_namespace.Parent;
		current_class = current_namespace.SlaveDeclSpace;
		current_container = current_class.PartialContainer;
	  }
  break;
case 26:
#line 477 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[0+yyTop];
		yyVal = new MemberName (lt.Value, lt.Location);
	  }
  break;
case 27:
#line 482 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[0+yyTop];
		yyVal = new MemberName ((MemberName) yyVals[-2+yyTop], lt.Value, lt.Location);		
	  }
  break;
case 28:
#line 487 "cs-parser.jay"
  {
		syntax_error (lexer.Location, "`.' expected");
	  }
  break;
case 33:
#line 504 "cs-parser.jay"
  {
		MemberName name = (MemberName) yyVals[0+yyTop];

		if (name.TypeArguments != null)
			syntax_error (lexer.Location, "namespace name expected");

		yyVal = name;
	  }
  break;
case 34:
#line 516 "cs-parser.jay"
  {
		if (RootContext.Documentation != null)
			Lexer.doc_state = XmlCommentState.Allowed;
	  }
  break;
case 37:
#line 529 "cs-parser.jay"
  {
		Report.Error (1518, lexer.Location, "Expected `class', `delegate', `enum', `interface', or `struct'");
	  }
  break;
case 39:
#line 537 "cs-parser.jay"
  {
		Report.Error (1513, lexer.Location, "Expected `}'");
	  }
  break;
case 48:
#line 564 "cs-parser.jay"
  {
		if (yyVals[0+yyTop] != null) {
			DeclSpace ds = (DeclSpace)yyVals[0+yyTop];

			if ((ds.ModFlags & (Modifiers.PRIVATE|Modifiers.PROTECTED)) != 0){
				Report.Error (1527, ds.Location, 
				"Namespace elements cannot be explicitly declared as private, protected or protected internal");
			}
		}
		current_namespace.DeclarationFound = true;
	  }
  break;
case 49:
#line 575 "cs-parser.jay"
  {
		current_namespace.DeclarationFound = true;
	  }
  break;
case 50:
#line 579 "cs-parser.jay"
  {
		Report.Error (116, ((MemberCore) yyVals[0+yyTop]).Location, "A namespace can only contain types and namespace declarations");
	  }
  break;
case 51:
#line 582 "cs-parser.jay"
  {
		Report.Error (116, ((MemberCore) yyVals[0+yyTop]).Location, "A namespace can only contain types and namespace declarations");
	  }
  break;
case 57:
#line 608 "cs-parser.jay"
  {
		if (yyVals[0+yyTop] != null) {
			Attributes attrs = (Attributes)yyVals[0+yyTop];
			if (global_attrs_enabled) {
				CodeGen.Assembly.AddAttributes (attrs.Attrs);
			} else {
				foreach (Attribute a in attrs.Attrs) {
					Report.Error (1730, a.Location, "Assembly and module attributes must precede all other elements except using clauses and extern alias declarations");
				}
			}
		}
		yyVal = yyVals[0+yyTop];
	  }
  break;
case 58:
#line 625 "cs-parser.jay"
  {
		global_attrs_enabled = false;
		yyVal = null;
      }
  break;
case 59:
#line 630 "cs-parser.jay"
  { 
		global_attrs_enabled = false;
		yyVal = yyVals[0+yyTop];
	  }
  break;
case 60:
#line 639 "cs-parser.jay"
  {
		if (current_attr_target != String.Empty) {
			ArrayList sect = (ArrayList) yyVals[0+yyTop];

			if (global_attrs_enabled) {
				if (current_attr_target == "module") {
					CodeGen.Module.AddAttributes (sect);
					yyVal = null;
				} else if (current_attr_target != null && current_attr_target.Length > 0) {
					CodeGen.Assembly.AddAttributes (sect);
					yyVal = null;
				} else {
					yyVal = new Attributes (sect);
				}
				if (yyVal == null) {
					if (RootContext.Documentation != null) {
						Lexer.check_incorrect_doc_comment ();
						Lexer.doc_state =
							XmlCommentState.Allowed;
					}
				}
			} else {
				yyVal = new Attributes (sect);
			}		
		}
		else
			yyVal = null;
		current_attr_target = null;
	  }
  break;
case 61:
#line 669 "cs-parser.jay"
  {
		if (current_attr_target != String.Empty) {
			Attributes attrs = yyVals[-1+yyTop] as Attributes;
			ArrayList sect = (ArrayList) yyVals[0+yyTop];

			if (global_attrs_enabled) {
				if (current_attr_target == "module") {
					CodeGen.Module.AddAttributes (sect);
					yyVal = null;
				} else if (current_attr_target == "assembly") {
					CodeGen.Assembly.AddAttributes (sect);
					yyVal = null;
				} else {
					if (attrs == null)
						attrs = new Attributes (sect);
					else
						attrs.AddAttributes (sect);			
				}
			} else {
				if (attrs == null)
					attrs = new Attributes (sect);
				else
					attrs.AddAttributes (sect);
			}		
			yyVal = attrs;
		}
		else
			yyVal = null;
		current_attr_target = null;
	  }
  break;
case 62:
#line 703 "cs-parser.jay"
  {
		yyVal = yyVals[-2+yyTop];
 	  }
  break;
case 63:
#line 707 "cs-parser.jay"
  {
		yyVal = yyVals[-2+yyTop];
	  }
  break;
case 64:
#line 714 "cs-parser.jay"
  {
		current_attr_target = (string)yyVals[-1+yyTop];
		yyVal = yyVals[-1+yyTop];
	  }
  break;
case 65:
#line 722 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[0+yyTop];
		yyVal = CheckAttributeTarget (lt.Value, lt.Location);
	  }
  break;
case 66:
#line 726 "cs-parser.jay"
  { yyVal = "event"; }
  break;
case 67:
#line 727 "cs-parser.jay"
  { yyVal = "return"; }
  break;
case 68:
#line 729 "cs-parser.jay"
  {
		string name = GetTokenName (yyToken);
		yyVal = CheckAttributeTarget (name, GetLocation (yyVals[0+yyTop]));
	  }
  break;
case 69:
#line 737 "cs-parser.jay"
  {
		ArrayList attrs = new ArrayList (4);
		attrs.Add (yyVals[0+yyTop]);

		yyVal = attrs;
	       
	  }
  break;
case 70:
#line 745 "cs-parser.jay"
  {
		ArrayList attrs = (ArrayList) yyVals[-2+yyTop];
		attrs.Add (yyVals[0+yyTop]);

		yyVal = attrs;
	  }
  break;
case 71:
#line 755 "cs-parser.jay"
  {
		++lexer.parsing_block;
	  }
  break;
case 72:
#line 759 "cs-parser.jay"
  {
		--lexer.parsing_block;
		MemberName mname = (MemberName) yyVals[-2+yyTop];
		if (mname.IsGeneric) {
			Report.Error (404, lexer.Location,
				      "'<' unexpected: attributes cannot be generic");
		}

		object [] arguments = (object []) yyVals[0+yyTop];
		MemberName left = mname.Left;
		string identifier = mname.Name;

		Expression left_expr = left == null ? null : left.GetTypeExpression ();

		if (current_attr_target == String.Empty)
			yyVal = null;
		else if (global_attrs_enabled && (current_attr_target == "assembly" || current_attr_target == "module"))
			/* FIXME: supply "nameEscaped" parameter here.*/
			yyVal = new GlobalAttribute (current_namespace, current_attr_target,
						  left_expr, identifier, arguments, mname.Location, lexer.IsEscapedIdentifier (mname.Location));
		else
			yyVal = new Attribute (current_attr_target, left_expr, identifier, arguments, mname.Location, lexer.IsEscapedIdentifier (mname.Location));
	  }
  break;
case 73:
#line 785 "cs-parser.jay"
  { /* reserved attribute name or identifier: 17.4 */ }
  break;
case 74:
#line 789 "cs-parser.jay"
  { yyVal = null; }
  break;
case 75:
#line 791 "cs-parser.jay"
  {
		yyVal = yyVals[-1+yyTop];
	  }
  break;
case 76:
#line 799 "cs-parser.jay"
  {
		if (yyVals[0+yyTop] == null)
			yyVal = null;
		else {
			yyVal = new object [] { yyVals[0+yyTop], null };
		}
	  }
  break;
case 77:
#line 807 "cs-parser.jay"
  {
		yyVal = new object[] { yyVals[-2+yyTop], yyVals[0+yyTop] };
	  }
  break;
case 78:
#line 811 "cs-parser.jay"
  {
		yyVal = new object [] { null, yyVals[0+yyTop] };
	  }
  break;
case 79:
#line 818 "cs-parser.jay"
  { yyVal = null; }
  break;
case 81:
#line 824 "cs-parser.jay"
  {
		ArrayList args = new ArrayList (4);
		args.Add (new Argument ((Expression) yyVals[0+yyTop], Argument.AType.Expression));

		yyVal = args;
	  }
  break;
case 82:
#line 831 "cs-parser.jay"
  {
		ArrayList args = (ArrayList) yyVals[-2+yyTop];
		args.Add (new Argument ((Expression) yyVals[0+yyTop], Argument.AType.Expression));

		yyVal = args;
	 }
  break;
case 83:
#line 841 "cs-parser.jay"
  {
		ArrayList args = new ArrayList (4);
		args.Add (yyVals[0+yyTop]);

		yyVal = args;
	  }
  break;
case 84:
#line 848 "cs-parser.jay"
  {	  
		ArrayList args = (ArrayList) yyVals[-2+yyTop];
		args.Add (yyVals[0+yyTop]);

		yyVal = args;
	  }
  break;
case 85:
#line 855 "cs-parser.jay"
  {
		Report.Error (1016, ((Expression) yyVals[0+yyTop]).Location, "Named attribute argument expected");
		yyVal = null;
	  }
  break;
case 86:
#line 863 "cs-parser.jay"
  {
		/* FIXME: keep location*/
		yyVal = new DictionaryEntry (
			((LocatedToken) yyVals[-2+yyTop]).Value, 
			new Argument ((Expression) yyVals[0+yyTop], Argument.AType.Expression));
	  }
  break;
case 102:
#line 899 "cs-parser.jay"
  {
		Report.Error (1519, lexer.Location, "Unexpected symbol `{0}' in class, struct, or interface member declaration",
			GetSymbolName (yyToken));
		yyVal = null;
		lexer.parsing_generic_declaration = false;
	  }
  break;
case 103:
#line 912 "cs-parser.jay"
  {
		lexer.ConstraintsParsing = true;
	  }
  break;
case 104:
#line 916 "cs-parser.jay"
  { 
		MemberName name = MakeName ((MemberName) yyVals[0+yyTop]);
		push_current_class (new Struct (current_namespace, current_class, name, (int) yyVals[-4+yyTop], (Attributes) yyVals[-5+yyTop]), yyVals[-3+yyTop]);
	  }
  break;
case 105:
#line 922 "cs-parser.jay"
  {
		lexer.ConstraintsParsing = false;

		current_class.SetParameterInfo ((ArrayList) yyVals[0+yyTop]);

		if (RootContext.Documentation != null)
			current_container.DocComment = Lexer.consume_doc_comment ();
	  }
  break;
case 106:
#line 931 "cs-parser.jay"
  {
		--lexer.parsing_declaration;	  
		if (RootContext.Documentation != null)
			Lexer.doc_state = XmlCommentState.Allowed;
	  }
  break;
case 107:
#line 937 "cs-parser.jay"
  {
		yyVal = pop_current_class ();
	  }
  break;
case 108:
#line 940 "cs-parser.jay"
  {
		CheckIdentifierToken (yyToken, GetLocation (yyVals[0+yyTop]));
	  }
  break;
case 109:
#line 947 "cs-parser.jay"
  {
		if (RootContext.Documentation != null)
			Lexer.doc_state = XmlCommentState.Allowed;
	  }
  break;
case 125:
#line 989 "cs-parser.jay"
  {
		int modflags = (int) yyVals[-4+yyTop];
		foreach (VariableDeclaration constant in (ArrayList) yyVals[-1+yyTop]){
			Location l = constant.Location;
			if ((modflags & Modifiers.STATIC) != 0) {
				Report.Error (504, l, "The constant `{0}' cannot be marked static", current_container.GetSignatureForError () + '.' + (string) constant.identifier);
				continue;
			}

			Const c = new Const (
				current_class, (FullNamedExpression) yyVals[-2+yyTop], (string) constant.identifier, 
				(Expression) constant.expression_or_array_initializer, modflags, 
				(Attributes) yyVals[-5+yyTop], l);

			if (RootContext.Documentation != null) {
				c.DocComment = Lexer.consume_doc_comment ();
				Lexer.doc_state = XmlCommentState.Allowed;
			}
			current_container.AddConstant (c);
		}
	  }
  break;
case 126:
#line 1014 "cs-parser.jay"
  {
		ArrayList constants = new ArrayList (4);
		if (yyVals[0+yyTop] != null)
			constants.Add (yyVals[0+yyTop]);
		yyVal = constants;
	  }
  break;
case 127:
#line 1021 "cs-parser.jay"
  {
		if (yyVals[0+yyTop] != null) {
			ArrayList constants = (ArrayList) yyVals[-2+yyTop];
			constants.Add (yyVals[0+yyTop]);
		}
	  }
  break;
case 128:
#line 1031 "cs-parser.jay"
  {
	  	++lexer.parsing_block;
	  }
  break;
case 129:
#line 1035 "cs-parser.jay"
  {
	  	--lexer.parsing_block;
		yyVal = new VariableDeclaration ((LocatedToken) yyVals[-3+yyTop], yyVals[0+yyTop]);
	  }
  break;
case 130:
#line 1040 "cs-parser.jay"
  {
		/* A const field requires a value to be provided*/
		Report.Error (145, ((LocatedToken) yyVals[0+yyTop]).Location, "A const field requires a value to be provided");
		yyVal = null;
	  }
  break;
case 133:
#line 1058 "cs-parser.jay"
  { 
		FullNamedExpression type = (FullNamedExpression) yyVals[-2+yyTop];
		if (type == TypeManager.system_void_expr)
			Report.Error (670, GetLocation (yyVals[-2+yyTop]), "Fields cannot have void type");
		
		int mod = (int) yyVals[-3+yyTop];

		current_array_type = null;

		foreach (VariableMemberDeclaration var in (ArrayList) yyVals[-1+yyTop]){
			Field field = new Field (current_class, type, mod, var.MemberName, (Attributes) yyVals[-4+yyTop]);

			field.Initializer = var.expression_or_array_initializer;

			if (RootContext.Documentation != null) {
				field.DocComment = Lexer.consume_doc_comment ();
				Lexer.doc_state = XmlCommentState.Allowed;
			}
			current_container.AddField (field);
			yyVal = field; /* FIXME: might be better if it points to the top item*/
		}
	  }
  break;
case 134:
#line 1086 "cs-parser.jay"
  { 
			FullNamedExpression type = (FullNamedExpression) yyVals[-2+yyTop];
			
			int mod = (int) yyVals[-4+yyTop];

			current_array_type = null;

			foreach (VariableDeclaration var in (ArrayList) yyVals[-1+yyTop]) {
				FixedField field = new FixedField (current_class, type, mod, var.identifier,
					(Expression)var.expression_or_array_initializer, (Attributes) yyVals[-5+yyTop], var.Location);

				if (RootContext.Documentation != null) {
					field.DocComment = Lexer.consume_doc_comment ();
					Lexer.doc_state = XmlCommentState.Allowed;
				}
				current_container.AddField (field);
				yyVal = field; /* FIXME: might be better if it points to the top item*/
			}
	  }
  break;
case 135:
#line 1110 "cs-parser.jay"
  {
		Report.Error (1641, GetLocation (yyVals[-1+yyTop]), "A fixed size buffer field must have the array size specifier after the field name");
	  }
  break;
case 136:
#line 1117 "cs-parser.jay"
  {
		ArrayList decl = new ArrayList (2);
		decl.Add (yyVals[0+yyTop]);
		yyVal = decl;
  	  }
  break;
case 137:
#line 1123 "cs-parser.jay"
  {
		ArrayList decls = (ArrayList) yyVals[-2+yyTop];
		decls.Add (yyVals[0+yyTop]);
		yyVal = yyVals[-2+yyTop];
	  }
  break;
case 138:
#line 1132 "cs-parser.jay"
  {
		yyVal = new VariableDeclaration ((LocatedToken) yyVals[-3+yyTop], yyVals[-1+yyTop]);
	  }
  break;
case 139:
#line 1136 "cs-parser.jay"
  {
		Report.Error (443, lexer.Location, "Value or constant expected");
		yyVal = new VariableDeclaration ((LocatedToken) yyVals[-2+yyTop], null);
	  }
  break;
case 140:
#line 1145 "cs-parser.jay"
  {
		ArrayList decl = new ArrayList (4);
		if (yyVals[0+yyTop] != null)
			decl.Add (yyVals[0+yyTop]);
		yyVal = decl;
	  }
  break;
case 141:
#line 1152 "cs-parser.jay"
  {
		ArrayList decls = (ArrayList) yyVals[-2+yyTop];
		decls.Add (yyVals[0+yyTop]);
		yyVal = yyVals[-2+yyTop];
	  }
  break;
case 142:
#line 1161 "cs-parser.jay"
  {
		yyVal = new VariableDeclaration ((LocatedToken) yyVals[-2+yyTop], yyVals[0+yyTop]);
	  }
  break;
case 143:
#line 1165 "cs-parser.jay"
  {
		yyVal = new VariableDeclaration ((LocatedToken) yyVals[0+yyTop], null);
	  }
  break;
case 144:
#line 1169 "cs-parser.jay"
  {
		yyVal = null;
	  }
  break;
case 147:
#line 1178 "cs-parser.jay"
  {
		yyVal = new StackAlloc ((Expression) yyVals[-3+yyTop], (Expression) yyVals[-1+yyTop], (Location) yyVals[-4+yyTop]);
	  }
  break;
case 148:
#line 1182 "cs-parser.jay"
  {
		yyVal = new ArglistAccess ((Location) yyVals[0+yyTop]);
	  }
  break;
case 149:
#line 1186 "cs-parser.jay"
  {
		Report.Error (1575, (Location) yyVals[-1+yyTop], "A stackalloc expression requires [] after type");
		yyVal = new StackAlloc ((Expression) yyVals[0+yyTop], null, (Location) yyVals[-1+yyTop]);		
	  }
  break;
case 150:
#line 1194 "cs-parser.jay"
  {
		ArrayList decl = new ArrayList (4);
		if (yyVals[0+yyTop] != null)
			decl.Add (yyVals[0+yyTop]);
		yyVal = decl;
	  }
  break;
case 151:
#line 1201 "cs-parser.jay"
  {
		ArrayList decls = (ArrayList) yyVals[-2+yyTop];
		decls.Add (yyVals[0+yyTop]);
		yyVal = yyVals[-2+yyTop];
	  }
  break;
case 152:
#line 1210 "cs-parser.jay"
  {
	  	++lexer.parsing_block;
	  	lexer.parsing_generic_declaration = false;
	  }
  break;
case 153:
#line 1215 "cs-parser.jay"
  {
	  	--lexer.parsing_block;
		yyVal = new VariableMemberDeclaration ((MemberName) yyVals[-3+yyTop], yyVals[0+yyTop]);
	  }
  break;
case 154:
#line 1220 "cs-parser.jay"
  {
	  	lexer.parsing_generic_declaration = false;
		yyVal = new VariableMemberDeclaration ((MemberName) yyVals[0+yyTop], null);
	  }
  break;
case 155:
#line 1225 "cs-parser.jay"
  {
		lexer.parsing_generic_declaration = false;	  
		yyVal = null;
	  }
  break;
case 156:
#line 1233 "cs-parser.jay"
  {
		Report.Error (650, GetLocation (yyVals[-2+yyTop]), "Syntax error, bad array declarator. To declare a managed array the rank specifier precedes the variable's identifier. " +
			"To declare a fixed size buffer field, use the fixed keyword before the field type");
	  }
  break;
case 159:
#line 1245 "cs-parser.jay"
  {
		if (RootContext.Documentation != null)
			Lexer.doc_state = XmlCommentState.NotAllowed;
	  }
  break;
case 160:
#line 1250 "cs-parser.jay"
  {
		Method method = (Method) yyVals[-2+yyTop];
		method.Block = (ToplevelBlock) yyVals[0+yyTop];
		current_container.AddMethod (method);
		
		if (current_container.Kind == Kind.Interface && method.Block != null) {
			Report.Error (531, method.Location, "`{0}': interface members cannot have a definition", method.GetSignatureForError ());
		}

		current_generic_method = null;
		current_local_parameters = null;

		if (RootContext.Documentation != null)
			Lexer.doc_state = XmlCommentState.Allowed;
	  }
  break;
case 161:
#line 1272 "cs-parser.jay"
  {
		arglist_allowed = true;
	  }
  break;
case 162:
#line 1276 "cs-parser.jay"
  {
		lexer.ConstraintsParsing = true;
	  }
  break;
case 163:
#line 1280 "cs-parser.jay"
  {
		lexer.ConstraintsParsing = false;
		arglist_allowed = false;
		MemberName name = (MemberName) yyVals[-6+yyTop];
		current_local_parameters = (Parameters) yyVals[-3+yyTop];

		if (yyVals[0+yyTop] != null && name.TypeArguments == null)
			Report.Error (80, lexer.Location,
				      "Constraints are not allowed on non-generic declarations");

		Method method;

		GenericMethod generic = null;
		if (name.TypeArguments != null) {
			generic = new GenericMethod (current_namespace, current_class, name,
						     (FullNamedExpression) yyVals[-7+yyTop], current_local_parameters);

			generic.SetParameterInfo ((ArrayList) yyVals[0+yyTop]);
		}

		method = new Method (current_class, generic, (FullNamedExpression) yyVals[-7+yyTop], (int) yyVals[-8+yyTop],
				     name, current_local_parameters, (Attributes) yyVals[-9+yyTop]);

		current_generic_method = generic;

		if (RootContext.Documentation != null)
			method.DocComment = Lexer.consume_doc_comment ();

		yyVal = method;
	  }
  break;
case 164:
#line 1315 "cs-parser.jay"
  {
		lexer.ConstraintsParsing = true;
	  }
  break;
case 165:
#line 1319 "cs-parser.jay"
  {
		lexer.ConstraintsParsing = false;

		MemberName name = (MemberName) yyVals[-5+yyTop];
		current_local_parameters = (Parameters) yyVals[-3+yyTop];

		if (yyVals[-1+yyTop] != null && name.TypeArguments == null)
			Report.Error (80, lexer.Location,
				      "Constraints are not allowed on non-generic declarations");

		Method method;
		GenericMethod generic = null;
		if (name.TypeArguments != null) {
			generic = new GenericMethod (current_namespace, current_class, name,
						     TypeManager.system_void_expr, current_local_parameters);

			generic.SetParameterInfo ((ArrayList) yyVals[0+yyTop]);
		}

		int modifiers = (int) yyVals[-8+yyTop];


		const int invalid_partial_mod = Modifiers.Accessibility | Modifiers.ABSTRACT | Modifiers.EXTERN |
			Modifiers.NEW | Modifiers.OVERRIDE | Modifiers.SEALED | Modifiers.VIRTUAL;

		if ((modifiers & invalid_partial_mod) != 0) {
			Report.Error (750, name.Location, "A partial method cannot define access modifier or " +
       			"any of abstract, extern, new, override, sealed, or virtual modifiers");
			modifiers &= ~invalid_partial_mod;
		}

		if ((current_class.ModFlags & Modifiers.PARTIAL) == 0) {
			Report.Error (751, name.Location, "A partial method must be declared within a " +
       			"partial class or partial struct");
		}

		modifiers |= Modifiers.PARTIAL | Modifiers.PRIVATE;
		
		method = new Method (current_class, generic, TypeManager.system_void_expr,
				     modifiers, name, current_local_parameters, (Attributes) yyVals[-9+yyTop]);

		current_generic_method = generic;

		if (RootContext.Documentation != null)
			method.DocComment = Lexer.consume_doc_comment ();

		yyVal = method;
	  }
  break;
case 166:
#line 1371 "cs-parser.jay"
  {
		MemberName name = (MemberName) yyVals[-3+yyTop];
		Report.Error (1585, name.Location, 
			"Member modifier `{0}' must precede the member type and name", Modifiers.Name ((int) yyVals[-4+yyTop]));

		Method method = new Method (current_class, null, TypeManager.system_void_expr,
					    0, name, (Parameters) yyVals[-1+yyTop], (Attributes) yyVals[-7+yyTop]);

		current_local_parameters = (Parameters) yyVals[-1+yyTop];

		if (RootContext.Documentation != null)
			method.DocComment = Lexer.consume_doc_comment ();

		yyVal = null;
	  }
  break;
case 168:
#line 1390 "cs-parser.jay"
  { yyVal = null; }
  break;
case 169:
#line 1394 "cs-parser.jay"
  { yyVal = Parameters.EmptyReadOnlyParameters; }
  break;
case 171:
#line 1399 "cs-parser.jay"
  { yyVal = Parameters.EmptyReadOnlyParameters; }
  break;
case 172:
#line 1401 "cs-parser.jay"
  {
		parameter_modifiers_not_allowed = true;
	  }
  break;
case 173:
#line 1405 "cs-parser.jay"
  {
		parameter_modifiers_not_allowed = false;
		yyVal = yyVals[0+yyTop];
	  }
  break;
case 174:
#line 1413 "cs-parser.jay"
  { 
		ArrayList pars_list = (ArrayList) yyVals[0+yyTop];

		Parameter [] pars = new Parameter [pars_list.Count];
		pars_list.CopyTo (pars);

	  	yyVal = new Parameters (pars); 
	  }
  break;
case 175:
#line 1422 "cs-parser.jay"
  {
		ArrayList pars_list = (ArrayList) yyVals[-2+yyTop];
		pars_list.Add (yyVals[0+yyTop]);

		Parameter [] pars = new Parameter [pars_list.Count];
		pars_list.CopyTo (pars);

		yyVal = new Parameters (pars); 
	  }
  break;
case 176:
#line 1432 "cs-parser.jay"
  {
		ArrayList pars_list = (ArrayList) yyVals[-2+yyTop];
		pars_list.Add (new ArglistParameter (GetLocation (yyVals[0+yyTop])));

		Parameter [] pars = new Parameter [pars_list.Count];
		pars_list.CopyTo (pars);

		yyVal = new Parameters (pars, true);
	  }
  break;
case 177:
#line 1442 "cs-parser.jay"
  {
		if (yyVals[-2+yyTop] != null)
			Report.Error (231, ((Parameter) yyVals[-2+yyTop]).Location, "A params parameter must be the last parameter in a formal parameter list");
		yyVal = null;
	  }
  break;
case 178:
#line 1448 "cs-parser.jay"
  {
		if (yyVals[-2+yyTop] != null)
			Report.Error (231, ((Parameter) yyVals[-2+yyTop]).Location, "A params parameter must be the last parameter in a formal parameter list");
		yyVal = null;
	  }
  break;
case 179:
#line 1454 "cs-parser.jay"
  {
		Report.Error (257, (Location) yyVals[-2+yyTop], "An __arglist parameter must be the last parameter in a formal parameter list");
		yyVal = null;
	  }
  break;
case 180:
#line 1459 "cs-parser.jay"
  {
		Report.Error (257, (Location) yyVals[-2+yyTop], "An __arglist parameter must be the last parameter in a formal parameter list");
		yyVal = null;
	  }
  break;
case 181:
#line 1464 "cs-parser.jay"
  {
		yyVal = new Parameters (new Parameter[] { (Parameter) yyVals[0+yyTop] } );
	  }
  break;
case 182:
#line 1468 "cs-parser.jay"
  {
		yyVal = new Parameters (new Parameter [] { new ArglistParameter ((Location) yyVals[0+yyTop]) }, true);
	  }
  break;
case 183:
#line 1475 "cs-parser.jay"
  {
		ArrayList pars = new ArrayList (4);

		pars.Add (yyVals[0+yyTop]);
		yyVal = pars;
	  }
  break;
case 184:
#line 1482 "cs-parser.jay"
  {
		ArrayList pars = (ArrayList) yyVals[-2+yyTop];
		Parameter p = (Parameter)yyVals[0+yyTop];
		if (p != null) {
			if (p.HasExtensionMethodModifier)
				Report.Error (1100, p.Location, "The parameter modifier `this' can only be used on the first parameter");
			pars.Add (p);
		}
		yyVal = yyVals[-2+yyTop];
	  }
  break;
case 185:
#line 1499 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[0+yyTop];
		yyVal = new Parameter ((FullNamedExpression) yyVals[-1+yyTop], lt.Value, (Parameter.Modifier) yyVals[-2+yyTop], (Attributes) yyVals[-3+yyTop], lt.Location);
	  }
  break;
case 186:
#line 1507 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-2+yyTop];
		Report.Error (1552, lt.Location, "Array type specifier, [], must appear before parameter name");
		yyVal = null;
	  }
  break;
case 187:
#line 1515 "cs-parser.jay"
  {
		Report.Error (1001, GetLocation (yyVals[0+yyTop]), "Identifier expected");
		yyVal = new Parameter ((FullNamedExpression) yyVals[0+yyTop], "NeedSomeGeneratorHere", (Parameter.Modifier) yyVals[-1+yyTop], (Attributes) yyVals[-2+yyTop], lexer.Location);		
	  }
  break;
case 188:
#line 1522 "cs-parser.jay"
  {
		CheckIdentifierToken (yyToken, GetLocation (yyVals[0+yyTop]));
		yyVal = null;
	  }
  break;
case 189:
#line 1532 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-2+yyTop];
		Report.Error (241, lt.Location, "Default parameter specifiers are not permitted");
		 yyVal = null;
	   }
  break;
case 190:
#line 1540 "cs-parser.jay"
  { yyVal = Parameter.Modifier.NONE; }
  break;
case 192:
#line 1546 "cs-parser.jay"
  {
		yyVal = yyVals[0+yyTop];
	  }
  break;
case 193:
#line 1550 "cs-parser.jay"
  {
		Parameter.Modifier p2 = (Parameter.Modifier)yyVals[0+yyTop];
  		Parameter.Modifier mod = (Parameter.Modifier)yyVals[-1+yyTop] | p2;
  		if (((Parameter.Modifier)yyVals[-1+yyTop] & p2) == p2) {
  			Error_DuplicateParameterModifier (lexer.Location, p2);
  		} else {
	  		switch (mod & ~Parameter.Modifier.This) {
  				case Parameter.Modifier.REF:
					Report.Error (1101, lexer.Location, "The parameter modifiers `this' and `ref' cannot be used altogether");
  					break;
   				case Parameter.Modifier.OUT:
					Report.Error (1102, lexer.Location, "The parameter modifiers `this' and `out' cannot be used altogether");
  					break;
  				default:
 					Report.Error (1108, lexer.Location, "A parameter cannot have specified more than one modifier");
 					break;
 			}
  		}
  		yyVal = mod;
	  }
  break;
case 194:
#line 1574 "cs-parser.jay"
  {
	  	if (parameter_modifiers_not_allowed)
	  		Error_ParameterModifierNotValid ("ref", (Location)yyVals[0+yyTop]);
	  		
	  	yyVal = Parameter.Modifier.REF;
	  }
  break;
case 195:
#line 1581 "cs-parser.jay"
  {
	  	if (parameter_modifiers_not_allowed)
	  		Error_ParameterModifierNotValid ("out", (Location)yyVals[0+yyTop]);
	  
	  	yyVal = Parameter.Modifier.OUT;
	  }
  break;
case 196:
#line 1588 "cs-parser.jay"
  {
		if (parameter_modifiers_not_allowed)
	  		Error_ParameterModifierNotValid ("this", (Location)yyVals[0+yyTop]);

	  	if (RootContext.Version <= LanguageVersion.ISO_2)
	  		Report.FeatureIsNotAvailable (GetLocation (yyVals[0+yyTop]), "extension methods");
	  			
		yyVal = Parameter.Modifier.This;
	  }
  break;
case 197:
#line 1601 "cs-parser.jay"
  { 
		LocatedToken lt = (LocatedToken) yyVals[0+yyTop];
		yyVal = new ParamsParameter ((FullNamedExpression) yyVals[-1+yyTop], lt.Value, (Attributes) yyVals[-3+yyTop], lt.Location);
	  }
  break;
case 198:
#line 1605 "cs-parser.jay"
  {
		CheckIdentifierToken (yyToken, GetLocation (yyVals[0+yyTop]));
		yyVal = null;
	  }
  break;
case 199:
#line 1613 "cs-parser.jay"
  {
		if (params_modifiers_not_allowed)
			Report.Error (1670, ((Location) yyVals[0+yyTop]), "The `params' modifier is not allowed in current context");
	  }
  break;
case 200:
#line 1618 "cs-parser.jay"
  {
		Parameter.Modifier mod = (Parameter.Modifier)yyVals[0+yyTop];
		if ((mod & Parameter.Modifier.This) != 0) {
			Report.Error (1104, (Location)yyVals[-1+yyTop], "The parameter modifiers `this' and `params' cannot be used altogether");
		} else {
			Report.Error (1611, (Location)yyVals[-1+yyTop], "The params parameter cannot be declared as ref or out");
		}	  
	  }
  break;
case 201:
#line 1627 "cs-parser.jay"
  {
		Error_DuplicateParameterModifier ((Location)yyVals[-1+yyTop], Parameter.Modifier.PARAMS);
	  }
  break;
case 202:
#line 1634 "cs-parser.jay"
  {
	  	if (!arglist_allowed)
	  		Report.Error (1669, (Location) yyVals[0+yyTop], "__arglist is not valid in this context");
	  }
  break;
case 203:
#line 1645 "cs-parser.jay"
  {
		if (RootContext.Documentation != null)
			tmpComment = Lexer.consume_doc_comment ();
	  }
  break;
case 204:
#line 1650 "cs-parser.jay"
  {
		implicit_value_parameter_type = (FullNamedExpression) yyVals[-3+yyTop];
		lexer.PropertyParsing = true;
	  }
  break;
case 205:
#line 1655 "cs-parser.jay"
  {
		lexer.PropertyParsing = false;
		has_get = has_set = false;
	  }
  break;
case 206:
#line 1660 "cs-parser.jay"
  { 
		Property prop;
		Accessors accessors = (Accessors) yyVals[-2+yyTop];
		Accessor get_block = accessors != null ? accessors.get_or_add : null;
		Accessor set_block = accessors != null ? accessors.set_or_remove : null;
		bool order = accessors != null ? accessors.declared_in_reverse : false;

		MemberName name = (MemberName) yyVals[-6+yyTop];
		FullNamedExpression ptype = (FullNamedExpression) yyVals[-7+yyTop];

		prop = new Property (current_class, ptype, (int) yyVals[-8+yyTop],
				     name, (Attributes) yyVals[-9+yyTop], get_block, set_block, order, current_block);

		if (ptype == TypeManager.system_void_expr)
			Report.Error (547, name.Location, "`{0}': property or indexer cannot have void type", prop.GetSignatureForError ());
			
		if (accessors == null)
			Report.Error (548, prop.Location, "`{0}': property or indexer must have at least one accessor", prop.GetSignatureForError ());

		if (current_container.Kind == Kind.Interface) {
			if (prop.Get.Block != null)
				Report.Error (531, prop.Location, "`{0}.get': interface members cannot have a definition", prop.GetSignatureForError ());

			if (prop.Set.Block != null)
				Report.Error (531, prop.Location, "`{0}.set': interface members cannot have a definition", prop.GetSignatureForError ());
		}

		current_container.AddProperty (prop);
		implicit_value_parameter_type = null;

		if (RootContext.Documentation != null)
			prop.DocComment = ConsumeStoredComment ();

	  }
  break;
case 207:
#line 1698 "cs-parser.jay"
  {
		yyVal = new Accessors ((Accessor) yyVals[0+yyTop], null);
	 }
  break;
case 208:
#line 1702 "cs-parser.jay"
  { 
		Accessors accessors = (Accessors) yyVals[0+yyTop];
		accessors.get_or_add = (Accessor) yyVals[-1+yyTop];
		yyVal = accessors;
	 }
  break;
case 209:
#line 1708 "cs-parser.jay"
  {
		yyVal = new Accessors (null, (Accessor) yyVals[0+yyTop]);
	 }
  break;
case 210:
#line 1712 "cs-parser.jay"
  { 
		Accessors accessors = (Accessors) yyVals[0+yyTop];
		accessors.set_or_remove = (Accessor) yyVals[-1+yyTop];
		accessors.declared_in_reverse = true;
		yyVal = accessors;
	 }
  break;
case 211:
#line 1719 "cs-parser.jay"
  {
	  	if (yyToken == Token.CLOSE_BRACE) {
	  		yyVal = null;
		} else {
			if (yyToken == Token.SEMICOLON)
				Report.Error (1597, lexer.Location, "Semicolon after method or accessor block is not valid");
			else
				Report.Error (1014, GetLocation (yyVals[0+yyTop]), "A get or set accessor expected");

			yyVal = new Accessors (null, null);
		}
	  }
  break;
case 212:
#line 1735 "cs-parser.jay"
  {
		/* If this is not the case, then current_local_parameters has already*/
		/* been set in indexer_declaration*/
		if (parsing_indexer == false)
			current_local_parameters = Parameters.EmptyReadOnlyParameters;
		else 
			current_local_parameters = indexer_parameters;
		lexer.PropertyParsing = false;
	  }
  break;
case 213:
#line 1745 "cs-parser.jay"
  {
		if (has_get) {
			Report.Error (1007, GetLocation (yyVals[-2+yyTop]), "Property accessor already defined");
			break;
		}
		Accessor accessor = new Accessor ((ToplevelBlock) yyVals[0+yyTop], (int) yyVals[-3+yyTop], (Attributes) yyVals[-4+yyTop], current_local_parameters, (Location) yyVals[-2+yyTop]);
		has_get = true;
		current_local_parameters = null;
		lexer.PropertyParsing = true;

		if (RootContext.Documentation != null)
			if (Lexer.doc_state == XmlCommentState.Error)
				Lexer.doc_state = XmlCommentState.NotAllowed;

		yyVal = accessor;
	  }
  break;
case 214:
#line 1765 "cs-parser.jay"
  {
		Parameter implicit_value_parameter = new Parameter (
			implicit_value_parameter_type, "value", 
			Parameter.Modifier.NONE, null, (Location) yyVals[0+yyTop]);

		if (!parsing_indexer) {
			current_local_parameters = new Parameters (new Parameter [] { implicit_value_parameter });
		} else {
			current_local_parameters = Parameters.MergeGenerated (
				indexer_parameters, true, implicit_value_parameter, null);
		}
		
		lexer.PropertyParsing = false;
	  }
  break;
case 215:
#line 1780 "cs-parser.jay"
  {
		if (has_set) {
			Report.Error (1007, GetLocation (yyVals[-2+yyTop]), "Property accessor already defined");
			break;
		}
		Accessor accessor = new Accessor ((ToplevelBlock) yyVals[0+yyTop], (int) yyVals[-3+yyTop], (Attributes) yyVals[-4+yyTop], current_local_parameters, (Location) yyVals[-2+yyTop]);
		has_set = true;
		current_local_parameters = null;
		lexer.PropertyParsing = true;

		if (RootContext.Documentation != null
			&& Lexer.doc_state == XmlCommentState.Error)
			Lexer.doc_state = XmlCommentState.NotAllowed;

		yyVal = accessor;
	  }
  break;
case 217:
#line 1801 "cs-parser.jay"
  {
	  	yyVal = null;
	  }
  break;
case 218:
#line 1805 "cs-parser.jay"
  {
	  	Error_SyntaxError (1043, yyToken);
	  	yyVal = null;
	  }
  break;
case 219:
#line 1816 "cs-parser.jay"
  {
		lexer.ConstraintsParsing = true;
	  }
  break;
case 220:
#line 1820 "cs-parser.jay"
  {
		MemberName name = MakeName ((MemberName) yyVals[0+yyTop]);
		push_current_class (new Interface (current_namespace, current_class, name, (int) yyVals[-4+yyTop], (Attributes) yyVals[-5+yyTop]), yyVals[-3+yyTop]);
	  }
  break;
case 221:
#line 1826 "cs-parser.jay"
  {
		lexer.ConstraintsParsing = false;

		current_class.SetParameterInfo ((ArrayList) yyVals[0+yyTop]);

		if (RootContext.Documentation != null) {
			current_container.DocComment = Lexer.consume_doc_comment ();
			Lexer.doc_state = XmlCommentState.Allowed;
		}
	  }
  break;
case 222:
#line 1837 "cs-parser.jay"
  {
		--lexer.parsing_declaration;	  
		if (RootContext.Documentation != null)
			Lexer.doc_state = XmlCommentState.Allowed;
	  }
  break;
case 223:
#line 1843 "cs-parser.jay"
  {
		yyVal = pop_current_class ();
	  }
  break;
case 224:
#line 1846 "cs-parser.jay"
  {
		CheckIdentifierToken (yyToken, GetLocation (yyVals[0+yyTop]));
	  }
  break;
case 230:
#line 1869 "cs-parser.jay"
  {
		Report.Error (525, GetLocation (yyVals[0+yyTop]), "Interfaces cannot contain fields or constants");
	  }
  break;
case 231:
#line 1873 "cs-parser.jay"
  {
		Report.Error (525, GetLocation (yyVals[0+yyTop]), "Interfaces cannot contain fields or constants");
	  }
  break;
case 236:
#line 1881 "cs-parser.jay"
  {
	  	Report.Error (567, GetLocation (yyVals[0+yyTop]), "Interfaces cannot contain operators");
	  }
  break;
case 237:
#line 1885 "cs-parser.jay"
  {
	  	Report.Error (526, GetLocation (yyVals[0+yyTop]), "Interfaces cannot contain contructors");
	  }
  break;
case 238:
#line 1889 "cs-parser.jay"
  {
	  	Report.Error (524, GetLocation (yyVals[0+yyTop]), "Interfaces cannot declare classes, structs, interfaces, delegates, or enumerations");
	  }
  break;
case 239:
#line 1896 "cs-parser.jay"
  {
	  }
  break;
case 240:
#line 1899 "cs-parser.jay"
  {
		if (yyVals[-2+yyTop] == null)
			break;

		OperatorDeclaration decl = (OperatorDeclaration) yyVals[-2+yyTop];
		Operator op = new Operator (
			current_class, decl.optype, decl.ret_type, (int) yyVals[-3+yyTop], 
			current_local_parameters,
			(ToplevelBlock) yyVals[0+yyTop], (Attributes) yyVals[-4+yyTop], decl.location);

		if (RootContext.Documentation != null) {
			op.DocComment = tmpComment;
			Lexer.doc_state = XmlCommentState.Allowed;
		}

		/* Note again, checking is done in semantic analysis*/
		current_container.AddOperator (op);

		current_local_parameters = null;
	  }
  break;
case 242:
#line 1923 "cs-parser.jay"
  { yyVal = null; }
  break;
case 244:
#line 1929 "cs-parser.jay"
  {
		Report.Error (590, lexer.Location, "User-defined operators cannot return void");
		yyVal = TypeManager.system_void_expr;		
	  }
  break;
case 245:
#line 1937 "cs-parser.jay"
  {
		params_modifiers_not_allowed = true;
	  }
  break;
case 246:
#line 1941 "cs-parser.jay"
  {
		params_modifiers_not_allowed = false;

		Location loc = (Location) yyVals[-5+yyTop];
		Operator.OpType op = (Operator.OpType) yyVals[-4+yyTop];
		current_local_parameters = (Parameters)yyVals[-1+yyTop];
		
		int p_count = current_local_parameters.Count;
		if (p_count == 1) {
			if (op == Operator.OpType.Addition)
				op = Operator.OpType.UnaryPlus;
			else if (op == Operator.OpType.Subtraction)
				op = Operator.OpType.UnaryNegation;
		}
		
		if (IsUnaryOperator (op)) {
			if (p_count == 2) {
				Report.Error (1020, loc, "Overloadable binary operator expected");
			} else if (p_count != 1) {
				Report.Error (1535, loc, "Overloaded unary operator `{0}' takes one parameter",
					Operator.GetName (op));
			}
		} else {
			if (p_count > 2) {
				Report.Error (1534, loc, "Overloaded binary operator `{0}' takes two parameters",
					Operator.GetName (op));
			} else if (p_count != 2) {
				Report.Error (1019, loc, "Overloadable unary operator expected");
			}
		}
		
		if (RootContext.Documentation != null) {
			tmpComment = Lexer.consume_doc_comment ();
			Lexer.doc_state = XmlCommentState.NotAllowed;
		}

		yyVal = new OperatorDeclaration (op, (FullNamedExpression) yyVals[-6+yyTop], loc);
	  }
  break;
case 248:
#line 1984 "cs-parser.jay"
  { yyVal = Operator.OpType.LogicalNot; }
  break;
case 249:
#line 1985 "cs-parser.jay"
  { yyVal = Operator.OpType.OnesComplement; }
  break;
case 250:
#line 1986 "cs-parser.jay"
  { yyVal = Operator.OpType.Increment; }
  break;
case 251:
#line 1987 "cs-parser.jay"
  { yyVal = Operator.OpType.Decrement; }
  break;
case 252:
#line 1988 "cs-parser.jay"
  { yyVal = Operator.OpType.True; }
  break;
case 253:
#line 1989 "cs-parser.jay"
  { yyVal = Operator.OpType.False; }
  break;
case 254:
#line 1991 "cs-parser.jay"
  { yyVal = Operator.OpType.Addition; }
  break;
case 255:
#line 1992 "cs-parser.jay"
  { yyVal = Operator.OpType.Subtraction; }
  break;
case 256:
#line 1994 "cs-parser.jay"
  { yyVal = Operator.OpType.Multiply; }
  break;
case 257:
#line 1995 "cs-parser.jay"
  {  yyVal = Operator.OpType.Division; }
  break;
case 258:
#line 1996 "cs-parser.jay"
  { yyVal = Operator.OpType.Modulus; }
  break;
case 259:
#line 1997 "cs-parser.jay"
  { yyVal = Operator.OpType.BitwiseAnd; }
  break;
case 260:
#line 1998 "cs-parser.jay"
  { yyVal = Operator.OpType.BitwiseOr; }
  break;
case 261:
#line 1999 "cs-parser.jay"
  { yyVal = Operator.OpType.ExclusiveOr; }
  break;
case 262:
#line 2000 "cs-parser.jay"
  { yyVal = Operator.OpType.LeftShift; }
  break;
case 263:
#line 2001 "cs-parser.jay"
  { yyVal = Operator.OpType.RightShift; }
  break;
case 264:
#line 2002 "cs-parser.jay"
  { yyVal = Operator.OpType.Equality; }
  break;
case 265:
#line 2003 "cs-parser.jay"
  { yyVal = Operator.OpType.Inequality; }
  break;
case 266:
#line 2004 "cs-parser.jay"
  { yyVal = Operator.OpType.GreaterThan; }
  break;
case 267:
#line 2005 "cs-parser.jay"
  { yyVal = Operator.OpType.LessThan; }
  break;
case 268:
#line 2006 "cs-parser.jay"
  { yyVal = Operator.OpType.GreaterThanOrEqual; }
  break;
case 269:
#line 2007 "cs-parser.jay"
  { yyVal = Operator.OpType.LessThanOrEqual; }
  break;
case 270:
#line 2012 "cs-parser.jay"
  {
		params_modifiers_not_allowed = true;
	  }
  break;
case 271:
#line 2016 "cs-parser.jay"
  {
		params_modifiers_not_allowed = false;

		Location loc = (Location) yyVals[-5+yyTop];
		current_local_parameters = (Parameters)yyVals[-1+yyTop];  
		  
		if (RootContext.Documentation != null) {
			tmpComment = Lexer.consume_doc_comment ();
			Lexer.doc_state = XmlCommentState.NotAllowed;
		}

		yyVal = new OperatorDeclaration (Operator.OpType.Implicit, (FullNamedExpression) yyVals[-4+yyTop], loc);
	  }
  break;
case 272:
#line 2030 "cs-parser.jay"
  {
		params_modifiers_not_allowed = true;
	  }
  break;
case 273:
#line 2034 "cs-parser.jay"
  {
		params_modifiers_not_allowed = false;
		
		Location loc = (Location) yyVals[-5+yyTop];
		current_local_parameters = (Parameters)yyVals[-1+yyTop];  
		  
		if (RootContext.Documentation != null) {
			tmpComment = Lexer.consume_doc_comment ();
			Lexer.doc_state = XmlCommentState.NotAllowed;
		}

		yyVal = new OperatorDeclaration (Operator.OpType.Explicit, (FullNamedExpression) yyVals[-4+yyTop], loc);
	  }
  break;
case 274:
#line 2048 "cs-parser.jay"
  {
	  	Error_SyntaxError (yyToken);
		yyVal = new OperatorDeclaration (Operator.OpType.Implicit, null, GetLocation (yyVals[-1+yyTop]));
	  }
  break;
case 275:
#line 2053 "cs-parser.jay"
  {
	  	Error_SyntaxError (yyToken);
	  	yyVal = new OperatorDeclaration (Operator.OpType.Explicit, null, GetLocation (yyVals[-1+yyTop]));
	  }
  break;
case 276:
#line 2062 "cs-parser.jay"
  { 
		Constructor c = (Constructor) yyVals[-1+yyTop];
		c.Block = (ToplevelBlock) yyVals[0+yyTop];
		
		if (RootContext.Documentation != null)
			c.DocComment = ConsumeStoredComment ();

		current_container.AddConstructor (c);

		current_local_parameters = null;
		if (RootContext.Documentation != null)
			Lexer.doc_state = XmlCommentState.Allowed;
	  }
  break;
case 277:
#line 2081 "cs-parser.jay"
  {
		if (RootContext.Documentation != null) {
			tmpComment = Lexer.consume_doc_comment ();
			Lexer.doc_state = XmlCommentState.Allowed;
		}
	  }
  break;
case 278:
#line 2088 "cs-parser.jay"
  {
		current_local_parameters = (Parameters) yyVals[-1+yyTop];  
		
		/**/
		/* start block here, so possible anonymous methods inside*/
		/* constructor initializer can get correct parent block*/
		/**/
	  	start_block (lexer.Location);
	  }
  break;
case 279:
#line 2098 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-6+yyTop];
		int mods = (int) yyVals[-7+yyTop];
		ConstructorInitializer ci = (ConstructorInitializer) yyVals[0+yyTop];

		Constructor c = new Constructor (current_class, lt.Value, mods,
			(Attributes) yyVals[-8+yyTop], current_local_parameters, ci, lt.Location);
		
		if (lt.Value != current_container.MemberName.Name) {
			Report.Error (1520, c.Location, "Class, struct, or interface method must have a return type");
		} else if ((mods & Modifiers.STATIC) != 0) {
			if ((mods & Modifiers.Accessibility) != 0){
				Report.Error (515, c.Location,
					"`{0}': static constructor cannot have an access modifier",
					c.GetSignatureForError ());
			}
			if (ci != null) {
				Report.Error (514, c.Location,
					"`{0}': static constructor cannot have an explicit `this' or `base' constructor call",
					c.GetSignatureForError ());
			
			}
		}
		
		yyVal = c;
	  }
  break;
case 281:
#line 2128 "cs-parser.jay"
  { current_block = null; yyVal = null; }
  break;
case 284:
#line 2138 "cs-parser.jay"
  {
		++lexer.parsing_block;
	  }
  break;
case 285:
#line 2142 "cs-parser.jay"
  {
	  	--lexer.parsing_block;
		yyVal = new ConstructorBaseInitializer ((ArrayList) yyVals[-1+yyTop], (Location) yyVals[-4+yyTop]);
	  }
  break;
case 286:
#line 2147 "cs-parser.jay"
  {
		++lexer.parsing_block;
	  }
  break;
case 287:
#line 2151 "cs-parser.jay"
  {
	  	--lexer.parsing_block;
		yyVal = new ConstructorThisInitializer ((ArrayList) yyVals[-1+yyTop], (Location) yyVals[-4+yyTop]);
	  }
  break;
case 288:
#line 2155 "cs-parser.jay"
  {
		Report.Error (1018, (Location) yyVals[-1+yyTop], "Keyword this or base expected");
		yyVal = null;
	  }
  break;
case 289:
#line 2163 "cs-parser.jay"
  {
		if (RootContext.Documentation != null) {
			tmpComment = Lexer.consume_doc_comment ();
			Lexer.doc_state = XmlCommentState.NotAllowed;
		}
		
		current_local_parameters = Parameters.EmptyReadOnlyParameters;
	  }
  break;
case 290:
#line 2172 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-3+yyTop];
		if (lt.Value != current_container.MemberName.Name){
			Report.Error (574, lt.Location, "Name of destructor must match name of class");
		} else if (current_container.Kind != Kind.Class){
			Report.Error (575, lt.Location, "Only class types can contain destructor");
		} else {
			Destructor d = new Destructor (current_class, (int) yyVals[-6+yyTop],
				Parameters.EmptyReadOnlyParameters, (Attributes) yyVals[-7+yyTop], lt.Location);
			if (RootContext.Documentation != null)
				d.DocComment = ConsumeStoredComment ();
		  
			d.Block = (ToplevelBlock) yyVals[0+yyTop];
			current_container.AddMethod (d);
		}

		current_local_parameters = null;
	  }
  break;
case 291:
#line 2196 "cs-parser.jay"
  {
		current_array_type = null;
		foreach (VariableMemberDeclaration var in (ArrayList) yyVals[-1+yyTop]) {

			EventField e = new EventField (
				current_class, (FullNamedExpression) yyVals[-2+yyTop], (int) yyVals[-4+yyTop], var.MemberName, (Attributes) yyVals[-5+yyTop]);
				
			if (var.expression_or_array_initializer != null) {
				if (current_container.Kind == Kind.Interface) {
					Report.Error (68, e.Location, "`{0}': event in interface cannot have initializer", e.GetSignatureForError ());
				}

				e.Initializer = var.expression_or_array_initializer;
			}
			
			if (var.MemberName.Left != null) {
				Report.Error (71, e.Location,
					"`{0}': An explicit interface implementation of an event must use property syntax",
					e.GetSignatureForError ());
			}

			current_container.AddEvent (e);

			if (RootContext.Documentation != null) {
				e.DocComment = Lexer.consume_doc_comment ();
				Lexer.doc_state = XmlCommentState.Allowed;
			}
		}
	  }
  break;
case 292:
#line 2229 "cs-parser.jay"
  {
		implicit_value_parameter_type = (FullNamedExpression) yyVals[-2+yyTop];  
		current_local_parameters = new Parameters (
			new Parameter (implicit_value_parameter_type, "value", 
			Parameter.Modifier.NONE, null, GetLocation (yyVals[-3+yyTop])));

		lexer.EventParsing = true;
	  }
  break;
case 293:
#line 2238 "cs-parser.jay"
  {
		lexer.EventParsing = false;  
	  }
  break;
case 294:
#line 2242 "cs-parser.jay"
  {
		MemberName name = (MemberName) yyVals[-5+yyTop];
		
		if (current_container.Kind == Kind.Interface) {
			Report.Error (69, (Location) yyVals[-7+yyTop], "Event in interface cannot have add or remove accessors");
		}

		if (yyVals[-2+yyTop] == null){
			Report.Error (65, (Location) yyVals[-7+yyTop], "`{0}.{1}': event property must have both add and remove accessors",
				current_container.Name, name.GetSignatureForError ());
			yyVal = null;
		} else {
			Accessors accessors = (Accessors) yyVals[-2+yyTop];
			
			if (accessors.get_or_add == null || accessors.set_or_remove == null)
				/* CS0073 is already reported, so no CS0065 here.*/
				yyVal = null;
			else {
				Event e = new EventProperty (
					current_class, (FullNamedExpression) yyVals[-6+yyTop], (int) yyVals[-8+yyTop], name,
					(Attributes) yyVals[-9+yyTop], accessors.get_or_add, accessors.set_or_remove);
				if (RootContext.Documentation != null) {
					e.DocComment = Lexer.consume_doc_comment ();
					Lexer.doc_state = XmlCommentState.Allowed;
				}

				current_container.AddEvent (e);
				implicit_value_parameter_type = null;
			}
		}
		current_local_parameters = null;
	  }
  break;
case 295:
#line 2275 "cs-parser.jay"
  {
		MemberName mn = (MemberName) yyVals[-1+yyTop];
		if (mn.Left != null)
			Report.Error (71, mn.Location, "An explicit interface implementation of an event must use property syntax");

		if (RootContext.Documentation != null)
			Lexer.doc_state = XmlCommentState.Allowed;

		Error_SyntaxError (yyToken);
		yyVal = null;
	  }
  break;
case 296:
#line 2290 "cs-parser.jay"
  {
		yyVal = new Accessors ((Accessor) yyVals[-1+yyTop], (Accessor) yyVals[0+yyTop]);
	  }
  break;
case 297:
#line 2294 "cs-parser.jay"
  {
		Accessors accessors = new Accessors ((Accessor) yyVals[0+yyTop], (Accessor) yyVals[-1+yyTop]);
		accessors.declared_in_reverse = true;
		yyVal = accessors;
	  }
  break;
case 298:
#line 2299 "cs-parser.jay"
  { yyVal = null; }
  break;
case 299:
#line 2300 "cs-parser.jay"
  { yyVal = null; }
  break;
case 300:
#line 2302 "cs-parser.jay"
  { 
		Report.Error (1055, GetLocation (yyVals[0+yyTop]), "An add or remove accessor expected");
		yyVal = null;
	  }
  break;
case 301:
#line 2306 "cs-parser.jay"
  { yyVal = null; }
  break;
case 302:
#line 2311 "cs-parser.jay"
  {
		lexer.EventParsing = false;
	  }
  break;
case 303:
#line 2315 "cs-parser.jay"
  {
		Accessor accessor = new Accessor ((ToplevelBlock) yyVals[0+yyTop], 0, (Attributes) yyVals[-3+yyTop], null, (Location) yyVals[-2+yyTop]);
		lexer.EventParsing = true;
		yyVal = accessor;
	  }
  break;
case 304:
#line 2320 "cs-parser.jay"
  {
		Report.Error (73, (Location) yyVals[-1+yyTop], "An add or remove accessor must have a body");
		yyVal = null;
	  }
  break;
case 305:
#line 2324 "cs-parser.jay"
  {
		Report.Error (1609, (Location) yyVals[0+yyTop], "Modifiers cannot be placed on event accessor declarations");
		yyVal = null;
	  }
  break;
case 306:
#line 2332 "cs-parser.jay"
  {
		lexer.EventParsing = false;
	  }
  break;
case 307:
#line 2336 "cs-parser.jay"
  {
		yyVal = new Accessor ((ToplevelBlock) yyVals[0+yyTop], 0, (Attributes) yyVals[-3+yyTop], null, (Location) yyVals[-2+yyTop]);
		lexer.EventParsing = true;
	  }
  break;
case 308:
#line 2340 "cs-parser.jay"
  {
		Report.Error (73, (Location) yyVals[-1+yyTop], "An add or remove accessor must have a body");
		yyVal = null;
	  }
  break;
case 309:
#line 2344 "cs-parser.jay"
  {
		Report.Error (1609, (Location) yyVals[0+yyTop], "Modifiers cannot be placed on event accessor declarations");
		yyVal = null;
	  }
  break;
case 310:
#line 2354 "cs-parser.jay"
  {
		implicit_value_parameter_type = (FullNamedExpression) yyVals[-5+yyTop];
		indexer_parameters = (Parameters) yyVals[-2+yyTop];
		
		if (indexer_parameters.IsEmpty)
			Report.Error (1551, GetLocation (yyVals[-3+yyTop]), "Indexers must have at least one parameter");

		if (RootContext.Documentation != null) {
			tmpComment = Lexer.consume_doc_comment ();
			Lexer.doc_state = XmlCommentState.Allowed;
		}

		lexer.PropertyParsing = true;
		parsing_indexer  = true;
		
	  }
  break;
case 311:
#line 2371 "cs-parser.jay"
  {
		  lexer.PropertyParsing = false;
		  has_get = has_set = false;
		  parsing_indexer  = false;
	  }
  break;
case 312:
#line 2377 "cs-parser.jay"
  { 
		Accessors accessors = (Accessors) yyVals[-2+yyTop];
		Accessor get_block = accessors != null ? accessors.get_or_add : null;
		Accessor set_block = accessors != null ? accessors.set_or_remove : null;
		bool order = accessors != null ? accessors.declared_in_reverse : false;

		Indexer indexer = new Indexer (current_class, (FullNamedExpression) yyVals[-9+yyTop],
			(MemberName)yyVals[-8+yyTop], (int) yyVals[-10+yyTop], (Parameters) yyVals[-6+yyTop], (Attributes) yyVals[-11+yyTop],
			get_block, set_block, order);
				       
		if (yyVals[-9+yyTop] == TypeManager.system_void_expr)
			Report.Error (620, GetLocation (yyVals[-9+yyTop]), "`{0}': indexer return type cannot be `void'", indexer.GetSignatureForError ());
			
		if (accessors == null)
			Report.Error (548, indexer.Location, "`{0}': property or indexer must have at least one accessor", indexer.GetSignatureForError ());

		if (current_container.Kind == Kind.Interface) {
			if (indexer.Get.Block != null)
				Report.Error (531, indexer.Location, "`{0}.get': interface members cannot have a definition", indexer.GetSignatureForError ());

			if (indexer.Set.Block != null)
				Report.Error (531, indexer.Location, "`{0}.set': interface members cannot have a definition", indexer.GetSignatureForError ());
		}

		if (RootContext.Documentation != null)
			indexer.DocComment = ConsumeStoredComment ();

		current_container.AddIndexer (indexer);
		
		current_local_parameters = null;
		implicit_value_parameter_type = null;
		indexer_parameters = null;
	  }
  break;
case 313:
#line 2416 "cs-parser.jay"
  {
		if (RootContext.Documentation != null)
			enumTypeComment = Lexer.consume_doc_comment ();
	  }
  break;
case 314:
#line 2422 "cs-parser.jay"
  {
		MemberName name = (MemberName) yyVals[-4+yyTop];
		if (name.IsGeneric) {
			Report.Error (1675, name.Location, "Enums cannot have type parameters");
		}

		name = MakeName (name);
		Enum e = new Enum (current_namespace, current_class, (TypeExpr) yyVals[-3+yyTop], (int) yyVals[-6+yyTop],
				   name, (Attributes) yyVals[-7+yyTop]);
		
		if (RootContext.Documentation != null)
			e.DocComment = enumTypeComment;


		EnumMember em = null;
		foreach (VariableDeclaration ev in (ArrayList) yyVals[-1+yyTop]) {
			em = new EnumMember (
				e, em, ev.identifier, (Expression) ev.expression_or_array_initializer,
				ev.OptAttributes, ev.Location);

/*			if (RootContext.Documentation != null)*/
				em.DocComment = ev.DocComment;

			e.AddEnumMember (em);
		}
		if (RootContext.EvalMode)
			undo.AddTypeContainer (current_container, e);

		current_container.AddTypeContainer (e);

		yyVal = e;

	  }
  break;
case 315:
#line 2458 "cs-parser.jay"
  { yyVal = TypeManager.system_int32_expr; }
  break;
case 316:
#line 2460 "cs-parser.jay"
  {
		if (yyVals[0+yyTop] != TypeManager.system_int32_expr && yyVals[0+yyTop] != TypeManager.system_uint32_expr &&
			yyVals[0+yyTop] != TypeManager.system_int64_expr && yyVals[0+yyTop] != TypeManager.system_uint64_expr &&
			yyVals[0+yyTop] != TypeManager.system_int16_expr && yyVals[0+yyTop] != TypeManager.system_uint16_expr &&
			yyVals[0+yyTop] != TypeManager.system_byte_expr && yyVals[0+yyTop] != TypeManager.system_sbyte_expr)
			Enum.Error_1008 (GetLocation (yyVals[0+yyTop]));
	 
		yyVal = yyVals[0+yyTop];
	 }
  break;
case 317:
#line 2470 "cs-parser.jay"
  {
	 	Error_TypeExpected (lexer.Location);
	 }
  break;
case 318:
#line 2477 "cs-parser.jay"
  {
		if (RootContext.Documentation != null)
			Lexer.doc_state = XmlCommentState.Allowed;
	  }
  break;
case 319:
#line 2482 "cs-parser.jay"
  {
	  	/* here will be evaluated after CLOSE_BLACE is consumed.*/
		if (RootContext.Documentation != null)
			Lexer.doc_state = XmlCommentState.Allowed;
	  }
  break;
case 320:
#line 2488 "cs-parser.jay"
  {
		yyVal = yyVals[-2+yyTop];
	  }
  break;
case 321:
#line 2494 "cs-parser.jay"
  { yyVal = new ArrayList (4); }
  break;
case 322:
#line 2495 "cs-parser.jay"
  { yyVal = yyVals[-1+yyTop]; }
  break;
case 323:
#line 2500 "cs-parser.jay"
  {
		ArrayList l = new ArrayList (4);

		l.Add (yyVals[0+yyTop]);
		yyVal = l;
	  }
  break;
case 324:
#line 2507 "cs-parser.jay"
  {
		ArrayList l = (ArrayList) yyVals[-2+yyTop];

		l.Add (yyVals[0+yyTop]);

		yyVal = l;
	  }
  break;
case 325:
#line 2518 "cs-parser.jay"
  {
		VariableDeclaration vd = new VariableDeclaration (
			(LocatedToken) yyVals[0+yyTop], null, (Attributes) yyVals[-1+yyTop]);

		if (RootContext.Documentation != null) {
			vd.DocComment = Lexer.consume_doc_comment ();
			Lexer.doc_state = XmlCommentState.Allowed;
		}

		yyVal = vd;
	  }
  break;
case 326:
#line 2530 "cs-parser.jay"
  {
	  	++lexer.parsing_block;
		if (RootContext.Documentation != null) {
			tmpComment = Lexer.consume_doc_comment ();
			Lexer.doc_state = XmlCommentState.NotAllowed;
		}
	  }
  break;
case 327:
#line 2538 "cs-parser.jay"
  { 
		--lexer.parsing_block;	  
		VariableDeclaration vd = new VariableDeclaration (
			(LocatedToken) yyVals[-3+yyTop], yyVals[0+yyTop], (Attributes) yyVals[-4+yyTop]);

		if (RootContext.Documentation != null)
			vd.DocComment = ConsumeStoredComment ();

		yyVal = vd;
	  }
  break;
case 328:
#line 2556 "cs-parser.jay"
  {
		MemberName name = MakeName ((MemberName) yyVals[-3+yyTop]);
		Parameters p = (Parameters) yyVals[-1+yyTop];

		Delegate del = new Delegate (current_namespace, current_class, (FullNamedExpression) yyVals[-4+yyTop],
					     (int) yyVals[-6+yyTop], name, p, (Attributes) yyVals[-7+yyTop]);

		if (RootContext.Documentation != null) {
			del.DocComment = Lexer.consume_doc_comment ();
			Lexer.doc_state = XmlCommentState.Allowed;
		}

		current_container.AddDelegate (del);
		current_delegate = del;
		lexer.ConstraintsParsing = true;
	  }
  break;
case 329:
#line 2573 "cs-parser.jay"
  {
		lexer.ConstraintsParsing = false;
	  }
  break;
case 330:
#line 2577 "cs-parser.jay"
  {
		current_delegate.SetParameterInfo ((ArrayList) yyVals[-2+yyTop]);
		yyVal = current_delegate;

		current_delegate = null;
	  }
  break;
case 331:
#line 2587 "cs-parser.jay"
  {
		yyVal = null;
	  }
  break;
case 332:
#line 2591 "cs-parser.jay"
  {
		if (RootContext.Version < LanguageVersion.ISO_2)
			Report.FeatureIsNotAvailable (lexer.Location, "nullable types");
	  
	  	yyVal = this;
	  }
  break;
case 334:
#line 2602 "cs-parser.jay"
  {
		LocatedToken lt1 = (LocatedToken) yyVals[-2+yyTop];
		LocatedToken lt2 = (LocatedToken) yyVals[-1+yyTop];
		
		yyVal = new MemberName (lt1.Value, lt2.Value, (TypeArguments) yyVals[0+yyTop], lt1.Location);
	  }
  break;
case 336:
#line 2613 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-1+yyTop];
		yyVal = new MemberName ((MemberName) yyVals[-3+yyTop], lt.Value, (TypeArguments) yyVals[0+yyTop], lt.Location);
	  }
  break;
case 337:
#line 2621 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-1+yyTop];
		yyVal = new MemberName (lt.Value, (TypeArguments)yyVals[0+yyTop], lt.Location);	  
	  }
  break;
case 338:
#line 2631 "cs-parser.jay"
  { yyVal = null; }
  break;
case 339:
#line 2633 "cs-parser.jay"
  {
		if (RootContext.Version < LanguageVersion.ISO_2)
			Report.FeatureIsNotAvailable (GetLocation (yyVals[-2+yyTop]), "generics");	  
	  
		yyVal = yyVals[-1+yyTop];
	  }
  break;
case 340:
#line 2640 "cs-parser.jay"
  {
		Error_TypeExpected (lexer.Location);
		yyVal = new TypeArguments ();
	  }
  break;
case 341:
#line 2648 "cs-parser.jay"
  {
		TypeArguments type_args = new TypeArguments ();
		type_args.Add ((FullNamedExpression) yyVals[0+yyTop]);
		yyVal = type_args;
	  }
  break;
case 342:
#line 2654 "cs-parser.jay"
  {
		TypeArguments type_args = (TypeArguments) yyVals[-2+yyTop];
		type_args.Add ((FullNamedExpression) yyVals[0+yyTop]);
		yyVal = type_args;
	  }
  break;
case 343:
#line 2666 "cs-parser.jay"
  {
		lexer.parsing_generic_declaration = true;
	  }
  break;
case 344:
#line 2670 "cs-parser.jay"
  {
		lexer.parsing_generic_declaration = false;
		LocatedToken lt = (LocatedToken) yyVals[-2+yyTop];
		yyVal = new MemberName (lt.Value, (TypeArguments)yyVals[0+yyTop], lt.Location);	  
	  }
  break;
case 345:
#line 2679 "cs-parser.jay"
  {
	  	MemberName mn = (MemberName)yyVals[0+yyTop];
	  	if (mn.TypeArguments != null)
	  		syntax_error (mn.Location, string.Format ("Member `{0}' cannot declare type arguments",
	  			mn.GetSignatureForError ()));
	  }
  break;
case 347:
#line 2690 "cs-parser.jay"
  {
		lexer.parsing_generic_declaration = false;	  
		LocatedToken lt = (LocatedToken) yyVals[-1+yyTop];
		yyVal = new MemberName ((MemberName) yyVals[-2+yyTop], lt.Value, (TypeArguments) yyVals[0+yyTop], lt.Location);
	  }
  break;
case 348:
#line 2699 "cs-parser.jay"
  {
		lexer.parsing_generic_declaration = false;	  
		yyVal = new MemberName (TypeContainer.DefaultIndexerName, GetLocation (yyVals[0+yyTop]));
	  }
  break;
case 349:
#line 2704 "cs-parser.jay"
  {
		lexer.parsing_generic_declaration = false;
		yyVal = new MemberName ((MemberName) yyVals[-1+yyTop], TypeContainer.DefaultIndexerName, null, GetLocation (yyVals[-1+yyTop]));
	  }
  break;
case 350:
#line 2712 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-2+yyTop];
		yyVal = new MemberName (lt.Value, (TypeArguments) yyVals[-1+yyTop], lt.Location);
	  }
  break;
case 351:
#line 2717 "cs-parser.jay"
  {
		LocatedToken lt1 = (LocatedToken) yyVals[-3+yyTop];
		LocatedToken lt2 = (LocatedToken) yyVals[-2+yyTop];
		
		yyVal = new MemberName (lt1.Value, lt2.Value, (TypeArguments) yyVals[-1+yyTop], lt1.Location);
	  }
  break;
case 352:
#line 2724 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-2+yyTop];
		yyVal = new MemberName ((MemberName) yyVals[-3+yyTop], lt.Value, (TypeArguments) yyVals[-1+yyTop], lt.Location);
	  }
  break;
case 353:
#line 2731 "cs-parser.jay"
  { yyVal = null; }
  break;
case 354:
#line 2733 "cs-parser.jay"
  {
		if (RootContext.Version < LanguageVersion.ISO_2)
			Report.FeatureIsNotAvailable (GetLocation (yyVals[-2+yyTop]), "generics");
	  
		yyVal = yyVals[-1+yyTop];
	  }
  break;
case 355:
#line 2743 "cs-parser.jay"
  {
		TypeArguments type_args = new TypeArguments ();
		type_args.Add ((FullNamedExpression)yyVals[0+yyTop]);
		yyVal = type_args;
	  }
  break;
case 356:
#line 2749 "cs-parser.jay"
  {
		TypeArguments type_args = (TypeArguments) yyVals[-2+yyTop];
		type_args.Add ((FullNamedExpression)yyVals[0+yyTop]);
		yyVal = type_args;
	  }
  break;
case 357:
#line 2758 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken)yyVals[0+yyTop];
		yyVal = new TypeParameterName (lt.Value, (Attributes)yyVals[-1+yyTop], lt.Location);
  	  }
  break;
case 358:
#line 2763 "cs-parser.jay"
  {
  	  	if (GetTokenName (yyToken) == "type")
			Report.Error (81, GetLocation (yyVals[0+yyTop]), "Type parameter declaration must be an identifier not a type");
		else
			Error_SyntaxError (yyToken);
			
  	  	yyVal = new TypeParameterName ("", null, lexer.Location);
  	  }
  break;
case 360:
#line 2779 "cs-parser.jay"
  {
		yyVal = TypeManager.system_void_expr;
	  }
  break;
case 361:
#line 2786 "cs-parser.jay"
  {
		lexer.parsing_generic_declaration = true;
	  }
  break;
case 363:
#line 2797 "cs-parser.jay"
  {
	  	Expression.Error_VoidInvalidInTheContext (lexer.Location);
		yyVal = TypeManager.system_void_expr;
	  }
  break;
case 365:
#line 2806 "cs-parser.jay"
  {
	  	Expression.Error_VoidInvalidInTheContext (lexer.Location);
		yyVal = TypeManager.system_void_expr;
	  }
  break;
case 367:
#line 2815 "cs-parser.jay"
  {
		string rank_specifiers = (string) yyVals[0+yyTop];
		yyVal = current_array_type = new ComposedCast ((FullNamedExpression) yyVals[-1+yyTop], rank_specifiers);
	  }
  break;
case 368:
#line 2823 "cs-parser.jay"
  {
		MemberName name = (MemberName) yyVals[-1+yyTop];

		if (yyVals[0+yyTop] != null) {
			yyVal = new ComposedCast (name.GetTypeExpression (), "?", lexer.Location);
		} else {
			if (name.Left == null && name.Name == "var" &&
			    (RootContext.Version > LanguageVersion.ISO_2 || RootContext.Version == LanguageVersion.Default_MCS))
				yyVal = current_array_type = new VarExpr (name.Location);
			else
				yyVal = name.GetTypeExpression ();
		}
	  }
  break;
case 369:
#line 2837 "cs-parser.jay"
  {
		if (yyVals[0+yyTop] != null)
			yyVal = new ComposedCast ((FullNamedExpression) yyVals[-1+yyTop], "?", lexer.Location);
	  }
  break;
case 370:
#line 2842 "cs-parser.jay"
  {
		/**/
		/* Note that here only unmanaged types are allowed but we*/
		/* can't perform checks during this phase - we do it during*/
		/* semantic analysis.*/
		/**/
		yyVal = new ComposedCast ((FullNamedExpression) yyVals[-1+yyTop], "*", Lexer.Location);
	  }
  break;
case 371:
#line 2851 "cs-parser.jay"
  {
		yyVal = new ComposedCast (TypeManager.system_void_expr, "*", (Location) yyVals[-1+yyTop]);
	  }
  break;
case 372:
#line 2858 "cs-parser.jay"
  {
		ArrayList types = new ArrayList (2);
		types.Add (yyVals[0+yyTop]);
		yyVal = types;
	  }
  break;
case 373:
#line 2864 "cs-parser.jay"
  {
		ArrayList types = (ArrayList) yyVals[-2+yyTop];
		types.Add (yyVals[0+yyTop]);
		yyVal = types;
	  }
  break;
case 374:
#line 2873 "cs-parser.jay"
  {
		if (yyVals[0+yyTop] is ComposedCast)
			Report.Error (1521, GetLocation (yyVals[0+yyTop]), "Invalid base type `{0}'", ((ComposedCast)yyVals[0+yyTop]).GetSignatureForError ());
		yyVal = yyVals[0+yyTop];
	  }
  break;
case 375:
#line 2879 "cs-parser.jay"
  {
	  	Error_TypeExpected (lexer.Location);
	  }
  break;
case 376:
#line 2889 "cs-parser.jay"
  { yyVal = TypeManager.system_object_expr; }
  break;
case 377:
#line 2890 "cs-parser.jay"
  { yyVal = TypeManager.system_string_expr; }
  break;
case 378:
#line 2891 "cs-parser.jay"
  { yyVal = TypeManager.system_boolean_expr; }
  break;
case 379:
#line 2892 "cs-parser.jay"
  { yyVal = TypeManager.system_decimal_expr; }
  break;
case 380:
#line 2893 "cs-parser.jay"
  { yyVal = TypeManager.system_single_expr; }
  break;
case 381:
#line 2894 "cs-parser.jay"
  { yyVal = TypeManager.system_double_expr; }
  break;
case 383:
#line 2899 "cs-parser.jay"
  { yyVal = TypeManager.system_sbyte_expr; }
  break;
case 384:
#line 2900 "cs-parser.jay"
  { yyVal = TypeManager.system_byte_expr; }
  break;
case 385:
#line 2901 "cs-parser.jay"
  { yyVal = TypeManager.system_int16_expr; }
  break;
case 386:
#line 2902 "cs-parser.jay"
  { yyVal = TypeManager.system_uint16_expr; }
  break;
case 387:
#line 2903 "cs-parser.jay"
  { yyVal = TypeManager.system_int32_expr; }
  break;
case 388:
#line 2904 "cs-parser.jay"
  { yyVal = TypeManager.system_uint32_expr; }
  break;
case 389:
#line 2905 "cs-parser.jay"
  { yyVal = TypeManager.system_int64_expr; }
  break;
case 390:
#line 2906 "cs-parser.jay"
  { yyVal = TypeManager.system_uint64_expr; }
  break;
case 391:
#line 2907 "cs-parser.jay"
  { yyVal = TypeManager.system_char_expr; }
  break;
case 393:
#line 2913 "cs-parser.jay"
  {
		yyVal = TypeManager.system_void_expr;	
	  }
  break;
case 397:
#line 2931 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-1+yyTop];
		yyVal = new SimpleName (MemberName.MakeName (lt.Value, (TypeArguments)yyVals[0+yyTop]), (TypeArguments)yyVals[0+yyTop], lt.Location);	  
	  }
  break;
case 418:
#line 2958 "cs-parser.jay"
  { yyVal = new CharLiteral ((char) lexer.Value, lexer.Location); }
  break;
case 419:
#line 2959 "cs-parser.jay"
  { yyVal = new StringLiteral ((string) lexer.Value, lexer.Location); }
  break;
case 420:
#line 2960 "cs-parser.jay"
  { yyVal = new NullLiteral (lexer.Location); }
  break;
case 421:
#line 2964 "cs-parser.jay"
  { yyVal = new FloatLiteral ((float) lexer.Value, lexer.Location); }
  break;
case 422:
#line 2965 "cs-parser.jay"
  { yyVal = new DoubleLiteral ((double) lexer.Value, lexer.Location); }
  break;
case 423:
#line 2966 "cs-parser.jay"
  { yyVal = new DecimalLiteral ((decimal) lexer.Value, lexer.Location); }
  break;
case 424:
#line 2970 "cs-parser.jay"
  { 
		object v = lexer.Value;

		if (v is int){
			yyVal = new IntLiteral ((int) v, lexer.Location);
		} else if (v is uint)
			yyVal = new UIntLiteral ((UInt32) v, lexer.Location);
		else if (v is long)
			yyVal = new LongLiteral ((Int64) v, lexer.Location);
		else if (v is ulong)
			yyVal = new ULongLiteral ((UInt64) v, lexer.Location);
		else
			Console.WriteLine ("OOPS.  Unexpected result from scanner");
	  }
  break;
case 425:
#line 2987 "cs-parser.jay"
  { yyVal = new BoolLiteral (true, lexer.Location); }
  break;
case 426:
#line 2988 "cs-parser.jay"
  { yyVal = new BoolLiteral (false, lexer.Location); }
  break;
case 430:
#line 3005 "cs-parser.jay"
  {
		yyVal = new ParenthesizedExpression ((Expression) yyVals[-1+yyTop]);
	  }
  break;
case 431:
#line 3012 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-1+yyTop];
		yyVal = new MemberAccess ((Expression) yyVals[-3+yyTop], lt.Value, (TypeArguments) yyVals[0+yyTop], lt.Location);
	  }
  break;
case 432:
#line 3017 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-1+yyTop];
		/* TODO: Location is wrong as some predefined types doesn't hold a location*/
		yyVal = new MemberAccess ((Expression) yyVals[-3+yyTop], lt.Value, (TypeArguments) yyVals[0+yyTop], lt.Location);
	  }
  break;
case 433:
#line 3023 "cs-parser.jay"
  {
		LocatedToken lt1 = (LocatedToken) yyVals[-2+yyTop];
		LocatedToken lt2 = (LocatedToken) yyVals[-1+yyTop];

		yyVal = new QualifiedAliasMember (lt1.Value, lt2.Value, (TypeArguments) yyVals[0+yyTop], lt1.Location);
	  }
  break;
case 434:
#line 3033 "cs-parser.jay"
  {
		yyVal = new Invocation ((Expression) yyVals[-3+yyTop], (ArrayList) yyVals[-1+yyTop]);
	  }
  break;
case 435:
#line 3039 "cs-parser.jay"
  { yyVal = null; }
  break;
case 437:
#line 3045 "cs-parser.jay"
  {
	  	if (yyVals[-1+yyTop] == null)
	  	  yyVal = CollectionOrObjectInitializers.Empty;
	  	else
	  	  yyVal = new CollectionOrObjectInitializers ((ArrayList) yyVals[-1+yyTop], GetLocation (yyVals[-2+yyTop]));
	  }
  break;
case 438:
#line 3052 "cs-parser.jay"
  {
	  	yyVal = new CollectionOrObjectInitializers ((ArrayList) yyVals[-2+yyTop], GetLocation (yyVals[-3+yyTop]));
	  }
  break;
case 439:
#line 3058 "cs-parser.jay"
  { yyVal = null; }
  break;
case 440:
#line 3060 "cs-parser.jay"
  {
		yyVal = yyVals[0+yyTop];
	}
  break;
case 441:
#line 3067 "cs-parser.jay"
  {
	  	ArrayList a = new ArrayList ();
	  	a.Add (yyVals[0+yyTop]);
	  	yyVal = a;
	  }
  break;
case 442:
#line 3073 "cs-parser.jay"
  {
	  	ArrayList a = (ArrayList)yyVals[-2+yyTop];
	  	a.Add (yyVals[0+yyTop]);
	  	yyVal = a;
	  }
  break;
case 443:
#line 3082 "cs-parser.jay"
  {
	  	LocatedToken lt = yyVals[-2+yyTop] as LocatedToken;
	  	yyVal = new ElementInitializer (lt.Value, (Expression)yyVals[0+yyTop], lt.Location);
	  }
  break;
case 444:
#line 3087 "cs-parser.jay"
  {
		yyVal = new CollectionElementInitializer ((Expression)yyVals[0+yyTop]);
	  }
  break;
case 445:
#line 3091 "cs-parser.jay"
  {
	  	yyVal = new CollectionElementInitializer ((ArrayList)yyVals[-1+yyTop], GetLocation (yyVals[-2+yyTop]));
	  }
  break;
case 446:
#line 3095 "cs-parser.jay"
  {
	  	Report.Error (1920, GetLocation (yyVals[-1+yyTop]), "An element initializer cannot be empty");
	  }
  break;
case 449:
#line 3106 "cs-parser.jay"
  { yyVal = null; }
  break;
case 451:
#line 3112 "cs-parser.jay"
  { 
		ArrayList list = new ArrayList (4);
		list.Add (yyVals[0+yyTop]);
		yyVal = list;
	  }
  break;
case 452:
#line 3118 "cs-parser.jay"
  {
		ArrayList list = (ArrayList) yyVals[-2+yyTop];
		list.Add (yyVals[0+yyTop]);
		yyVal = list;
	  }
  break;
case 453:
#line 3124 "cs-parser.jay"
  {
	  	Report.Error (839, GetLocation (yyVals[0+yyTop]), "An argument is missing");
	  	yyVal = null;
	  }
  break;
case 454:
#line 3129 "cs-parser.jay"
  {
	  	Report.Error (839, GetLocation (yyVals[-1+yyTop]), "An argument is missing");
	  	yyVal = null;
	  }
  break;
case 455:
#line 3137 "cs-parser.jay"
  {
		yyVal = new Argument ((Expression) yyVals[0+yyTop], Argument.AType.Expression);
	  }
  break;
case 456:
#line 3141 "cs-parser.jay"
  {
		yyVal = yyVals[0+yyTop];
	  }
  break;
case 457:
#line 3148 "cs-parser.jay"
  { 
		yyVal = new Argument ((Expression) yyVals[0+yyTop], Argument.AType.Ref);
	  }
  break;
case 458:
#line 3152 "cs-parser.jay"
  { 
		yyVal = new Argument ((Expression) yyVals[0+yyTop], Argument.AType.Out);
	  }
  break;
case 459:
#line 3156 "cs-parser.jay"
  {
		ArrayList list = (ArrayList) yyVals[-1+yyTop];
		Argument[] args = new Argument [list.Count];
		list.CopyTo (args, 0);

		Expression expr = new Arglist (args, (Location) yyVals[-3+yyTop]);
		yyVal = new Argument (expr, Argument.AType.Expression);
	  }
  break;
case 460:
#line 3165 "cs-parser.jay"
  {
		yyVal = new Argument (new Arglist ((Location) yyVals[-2+yyTop]), Argument.AType.Expression);
	  }
  break;
case 461:
#line 3169 "cs-parser.jay"
  {
		yyVal = new Argument (new ArglistAccess ((Location) yyVals[0+yyTop]), Argument.AType.ArgList);
	  }
  break;
case 462:
#line 3175 "cs-parser.jay"
  { note ("section 5.4"); yyVal = yyVals[0+yyTop]; }
  break;
case 463:
#line 3180 "cs-parser.jay"
  {
		yyVal = new ElementAccess ((Expression) yyVals[-3+yyTop], (ArrayList) yyVals[-1+yyTop]);
	  }
  break;
case 464:
#line 3184 "cs-parser.jay"
  {
	  	/* LAMESPEC: Not allowed according to specification*/
		yyVal = new ElementAccess ((Expression) yyVals[-3+yyTop], (ArrayList) yyVals[-1+yyTop]);
	  }
  break;
case 465:
#line 3189 "cs-parser.jay"
  {
		/* So the super-trick is that primary_expression*/
		/* can only be either a SimpleName or a MemberAccess. */
		/* The MemberAccess case arises when you have a fully qualified type-name like :*/
		/* Foo.Bar.Blah i;*/
		/* SimpleName is when you have*/
		/* Blah i;*/
		  
		Expression expr = (Expression) yyVals[-1+yyTop];  
		if (expr is ComposedCast){
			yyVal = new ComposedCast ((ComposedCast)expr, (string) yyVals[0+yyTop]);
		} else if (expr is ATypeNameExpression){
			/**/
			/* So we extract the string corresponding to the SimpleName*/
			/* or MemberAccess*/
			/* */
			yyVal = new ComposedCast ((ATypeNameExpression)expr, (string) yyVals[0+yyTop]);
		} else {
			Error_ExpectingTypeName (expr);
			yyVal = TypeManager.system_object_expr;
		}
		
		current_array_type = (FullNamedExpression)yyVal;
	  }
  break;
case 466:
#line 3217 "cs-parser.jay"
  {
		ArrayList list = new ArrayList (4);
		list.Add (yyVals[0+yyTop]);
		yyVal = list;
	  }
  break;
case 467:
#line 3223 "cs-parser.jay"
  {
		ArrayList list = (ArrayList) yyVals[-2+yyTop];
		list.Add (yyVals[0+yyTop]);
		yyVal = list;
	  }
  break;
case 468:
#line 3232 "cs-parser.jay"
  {
		yyVal = new This (current_block, (Location) yyVals[0+yyTop]);
	  }
  break;
case 469:
#line 3239 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-1+yyTop];
		yyVal = new BaseAccess (lt.Value, (TypeArguments) yyVals[0+yyTop], lt.Location);
	  }
  break;
case 470:
#line 3244 "cs-parser.jay"
  {
		yyVal = new BaseIndexerAccess ((ArrayList) yyVals[-1+yyTop], (Location) yyVals[-3+yyTop]);
	  }
  break;
case 471:
#line 3247 "cs-parser.jay"
  {
		Report.Error (175, (Location) yyVals[-1+yyTop], "Use of keyword `base' is not valid in this context");
		yyVal = null;
	  }
  break;
case 472:
#line 3255 "cs-parser.jay"
  {
		yyVal = new UnaryMutator (UnaryMutator.Mode.PostIncrement, (Expression) yyVals[-1+yyTop]);
	  }
  break;
case 473:
#line 3262 "cs-parser.jay"
  {
		yyVal = new UnaryMutator (UnaryMutator.Mode.PostDecrement, (Expression) yyVals[-1+yyTop]);
	  }
  break;
case 474:
#line 3269 "cs-parser.jay"
  {
		if (yyVals[0+yyTop] != null) {
			if (RootContext.Version <= LanguageVersion.ISO_2)
				Report.FeatureIsNotAvailable (GetLocation (yyVals[-5+yyTop]), "object initializers");
				
			yyVal = new NewInitialize ((Expression) yyVals[-4+yyTop], (ArrayList) yyVals[-2+yyTop], (CollectionOrObjectInitializers) yyVals[0+yyTop], (Location) yyVals[-5+yyTop]);
		}
		else
			yyVal = new New ((Expression) yyVals[-4+yyTop], (ArrayList) yyVals[-2+yyTop], (Location) yyVals[-5+yyTop]);
	  }
  break;
case 475:
#line 3280 "cs-parser.jay"
  {
		if (RootContext.Version <= LanguageVersion.ISO_2)
			Report.FeatureIsNotAvailable (GetLocation (yyVals[-2+yyTop]), "collection initializers");
	  
		yyVal = new NewInitialize ((Expression) yyVals[-1+yyTop], null, (CollectionOrObjectInitializers) yyVals[0+yyTop], (Location) yyVals[-2+yyTop]);
	  }
  break;
case 476:
#line 3293 "cs-parser.jay"
  {
		yyVal = new ArrayCreation ((FullNamedExpression) yyVals[-5+yyTop], (ArrayList) yyVals[-3+yyTop], (string) yyVals[-1+yyTop], (ArrayList) yyVals[0+yyTop], (Location) yyVals[-6+yyTop]);
	  }
  break;
case 477:
#line 3297 "cs-parser.jay"
  {
	  	if (yyVals[0+yyTop] == null)
	  		Report.Error (1586, GetLocation (yyVals[-3+yyTop]), "Array creation must have array size or array initializer");

		yyVal = new ArrayCreation ((FullNamedExpression) yyVals[-2+yyTop], (string) yyVals[-1+yyTop], (ArrayList) yyVals[0+yyTop], (Location) yyVals[-3+yyTop]);
	  }
  break;
case 478:
#line 3304 "cs-parser.jay"
  {
		yyVal = new ImplicitlyTypedArrayCreation ((string) yyVals[-1+yyTop], (ArrayList) yyVals[0+yyTop], (Location) yyVals[-2+yyTop]);
	  }
  break;
case 479:
#line 3308 "cs-parser.jay"
  {
		Report.Error (1526, (Location) yyVals[-2+yyTop], "A new expression requires () or [] after type");
		yyVal = null;
	  }
  break;
case 480:
#line 3316 "cs-parser.jay"
  {
	  	if (RootContext.Version <= LanguageVersion.ISO_2)
	  		Report.FeatureIsNotAvailable (GetLocation (yyVals[-3+yyTop]), "anonymous types");

		yyVal = new AnonymousTypeDeclaration ((ArrayList) yyVals[-1+yyTop], current_container, GetLocation (yyVals[-3+yyTop]));
	  }
  break;
case 483:
#line 3330 "cs-parser.jay"
  { yyVal = null; }
  break;
case 485:
#line 3336 "cs-parser.jay"
  {
	  	ArrayList a = new ArrayList (4);
	  	a.Add (yyVals[0+yyTop]);
	  	yyVal = a;
	  }
  break;
case 486:
#line 3342 "cs-parser.jay"
  {
	  	ArrayList a = (ArrayList) yyVals[-2+yyTop];
	  	a.Add (yyVals[0+yyTop]);
	  	yyVal = a;
	  }
  break;
case 487:
#line 3351 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken)yyVals[-2+yyTop];
	  	yyVal = new AnonymousTypeParameter ((Expression)yyVals[0+yyTop], lt.Value, lt.Location);
	  }
  break;
case 488:
#line 3356 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken)yyVals[0+yyTop];
	  	yyVal = new AnonymousTypeParameter (new SimpleName (lt.Value, lt.Location),
	  		lt.Value, lt.Location);
	  }
  break;
case 489:
#line 3362 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-1+yyTop];
		BaseAccess ba = new BaseAccess (lt.Value, (TypeArguments) yyVals[0+yyTop], lt.Location);
	  	yyVal = new AnonymousTypeParameter (ba, lt.Value, lt.Location);		
	  }
  break;
case 490:
#line 3368 "cs-parser.jay"
  {
	  	MemberAccess ma = (MemberAccess) yyVals[0+yyTop];
	  	yyVal = new AnonymousTypeParameter (ma, ma.Name, ma.Location);
	  }
  break;
case 491:
#line 3373 "cs-parser.jay"
  {
		Report.Error (746, lexer.Location, "Invalid anonymous type member declarator. " +
		"Anonymous type members must be a member assignment, simple name or member access expression");
	  }
  break;
case 492:
#line 3381 "cs-parser.jay"
  {
		yyVal = "";
	  }
  break;
case 493:
#line 3385 "cs-parser.jay"
  {
		yyVal = yyVals[0+yyTop];
	  }
  break;
case 494:
#line 3392 "cs-parser.jay"
  {
		if (yyVals[0+yyTop] != null)
			yyVal = "?";
		else
			yyVal = string.Empty;
	  }
  break;
case 495:
#line 3399 "cs-parser.jay"
  {
		if (yyVals[-1+yyTop] != null)
			yyVal = "?" + (string) yyVals[0+yyTop];
		else
			yyVal = yyVals[0+yyTop];
	  }
  break;
case 497:
#line 3410 "cs-parser.jay"
  {
		yyVal = (string) yyVals[0+yyTop] + (string) yyVals[-1+yyTop];
	  }
  break;
case 498:
#line 3417 "cs-parser.jay"
  {
		yyVal = "[]";
	  }
  break;
case 499:
#line 3421 "cs-parser.jay"
  {
		yyVal = "[" + (string) yyVals[-1+yyTop] + "]";
	  }
  break;
case 500:
#line 3425 "cs-parser.jay"
  {
		ArrayCreation.Error_IncorrectArrayInitializer (GetLocation (yyVals[-2+yyTop]));
		yyVal = "[]";
	  }
  break;
case 501:
#line 3433 "cs-parser.jay"
  {
		yyVal = ",";
	  }
  break;
case 502:
#line 3437 "cs-parser.jay"
  {
		yyVal = (string) yyVals[-1+yyTop] + ",";
	  }
  break;
case 503:
#line 3444 "cs-parser.jay"
  {
		yyVal = null;
	  }
  break;
case 504:
#line 3448 "cs-parser.jay"
  {
		yyVal = yyVals[0+yyTop];
	  }
  break;
case 505:
#line 3455 "cs-parser.jay"
  {
		ArrayList list = new ArrayList (4);
		yyVal = list;
	  }
  break;
case 506:
#line 3460 "cs-parser.jay"
  {
		yyVal = (ArrayList) yyVals[-2+yyTop];
	  }
  break;
case 507:
#line 3467 "cs-parser.jay"
  {
		ArrayList list = new ArrayList (4);
		list.Add (yyVals[0+yyTop]);
		yyVal = list;
	  }
  break;
case 508:
#line 3473 "cs-parser.jay"
  {
		ArrayList list = (ArrayList) yyVals[-2+yyTop];
		list.Add (yyVals[0+yyTop]);
		yyVal = list;
	  }
  break;
case 509:
#line 3479 "cs-parser.jay"
  {
	  	Error_SyntaxError (yyToken);
	  	yyVal = new ArrayList ();
	  }
  break;
case 510:
#line 3487 "cs-parser.jay"
  {
	  	pushed_current_array_type = current_array_type;
	  	lexer.TypeOfParsing = true;
	  }
  break;
case 511:
#line 3492 "cs-parser.jay"
  {
	  	lexer.TypeOfParsing = false;
		Expression type = (Expression)yyVals[-1+yyTop];
		if (type == TypeManager.system_void_expr)
			yyVal = new TypeOfVoid ((Location) yyVals[-4+yyTop]);
		else
			yyVal = new TypeOf (type, (Location) yyVals[-4+yyTop]);
		current_array_type = pushed_current_array_type;
	  }
  break;
case 514:
#line 3507 "cs-parser.jay"
  {
	 	Error_TypeExpected (lexer.Location);
	 	yyVal = null;
	 }
  break;
case 515:
#line 3515 "cs-parser.jay"
  {  
		LocatedToken lt = (LocatedToken) yyVals[-1+yyTop];

		yyVal = new SimpleName (MemberName.MakeName (lt.Value, (int)yyVals[0+yyTop]), lt.Location);
	  }
  break;
case 516:
#line 3521 "cs-parser.jay"
  {
		LocatedToken lt1 = (LocatedToken) yyVals[-2+yyTop];
		LocatedToken lt2 = (LocatedToken) yyVals[-1+yyTop];

		yyVal = new QualifiedAliasMember (lt1.Value, MemberName.MakeName (lt2.Value, (int) yyVals[0+yyTop]), lt1.Location);
	  }
  break;
case 517:
#line 3528 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[0+yyTop];
		
		yyVal = new MemberAccess ((Expression) yyVals[-2+yyTop], lt.Value, lt.Location);		
	  }
  break;
case 518:
#line 3534 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-1+yyTop];
		
		yyVal = new MemberAccess ((Expression) yyVals[-3+yyTop], MemberName.MakeName (lt.Value, (int) yyVals[0+yyTop]), lt.Location);		
	  }
  break;
case 519:
#line 3540 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-1+yyTop];
		MemberName name = (MemberName) yyVals[-3+yyTop];

		yyVal = new MemberAccess (name.GetTypeExpression (), MemberName.MakeName (lt.Value, (int) yyVals[0+yyTop]), lt.Location);		
	  }
  break;
case 520:
#line 3550 "cs-parser.jay"
  {
		if (RootContext.Version < LanguageVersion.ISO_2)
			Report.FeatureIsNotAvailable (lexer.Location, "generics");

		yyVal = yyVals[0+yyTop];
	  }
  break;
case 521:
#line 3560 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-1+yyTop];
		if (RootContext.Version == LanguageVersion.ISO_1)
			Report.FeatureIsNotAvailable (lt.Location, "namespace alias qualifier");

		yyVal = lt;		
	  }
  break;
case 522:
#line 3570 "cs-parser.jay"
  { 
		yyVal = new SizeOf ((Expression) yyVals[-1+yyTop], (Location) yyVals[-3+yyTop]);
	  }
  break;
case 523:
#line 3577 "cs-parser.jay"
  {
		yyVal = new CheckedExpr ((Expression) yyVals[-1+yyTop], (Location) yyVals[-3+yyTop]);
	  }
  break;
case 524:
#line 3584 "cs-parser.jay"
  {
		yyVal = new UnCheckedExpr ((Expression) yyVals[-1+yyTop], (Location) yyVals[-3+yyTop]);
	  }
  break;
case 525:
#line 3591 "cs-parser.jay"
  {
		Expression deref;
		LocatedToken lt = (LocatedToken) yyVals[0+yyTop];

		deref = new Indirection ((Expression) yyVals[-2+yyTop], lt.Location);
		yyVal = new MemberAccess (deref, lt.Value);
	  }
  break;
case 526:
#line 3602 "cs-parser.jay"
  {
		start_anonymous (false, (Parameters) yyVals[0+yyTop], (Location) yyVals[-1+yyTop]);
	  }
  break;
case 527:
#line 3606 "cs-parser.jay"
  {
		yyVal = end_anonymous ((ToplevelBlock) yyVals[0+yyTop]);
	}
  break;
case 528:
#line 3613 "cs-parser.jay"
  {
		yyVal = Parameters.Undefined;
	  }
  break;
case 530:
#line 3621 "cs-parser.jay"
  {
	  	params_modifiers_not_allowed = true; 
	  }
  break;
case 531:
#line 3625 "cs-parser.jay"
  {
	  	params_modifiers_not_allowed = false;
	  	yyVal = yyVals[-1+yyTop];
	  }
  break;
case 532:
#line 3633 "cs-parser.jay"
  {
		if (RootContext.Version < LanguageVersion.ISO_2)
			Report.FeatureIsNotAvailable (lexer.Location, "default value expression");

		yyVal = new DefaultValueExpression ((Expression) yyVals[-1+yyTop], GetLocation (yyVals[-3+yyTop]));
	  }
  break;
case 534:
#line 3644 "cs-parser.jay"
  {
		yyVal = new Unary (Unary.Operator.LogicalNot, (Expression) yyVals[0+yyTop]);
	  }
  break;
case 535:
#line 3648 "cs-parser.jay"
  {
		yyVal = new Unary (Unary.Operator.OnesComplement, (Expression) yyVals[0+yyTop]);
	  }
  break;
case 537:
#line 3656 "cs-parser.jay"
  {
		yyVal = new Cast ((FullNamedExpression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-3+yyTop]));
	  }
  break;
case 538:
#line 3660 "cs-parser.jay"
  {
		yyVal = new Cast ((FullNamedExpression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-3+yyTop]));
	  }
  break;
case 540:
#line 3672 "cs-parser.jay"
  { 
	  	yyVal = new Unary (Unary.Operator.UnaryPlus, (Expression) yyVals[0+yyTop]);
	  }
  break;
case 541:
#line 3676 "cs-parser.jay"
  { 
		yyVal = new Unary (Unary.Operator.UnaryNegation, (Expression) yyVals[0+yyTop]);
	  }
  break;
case 542:
#line 3680 "cs-parser.jay"
  {
		yyVal = new UnaryMutator (UnaryMutator.Mode.PreIncrement, (Expression) yyVals[0+yyTop]);
	  }
  break;
case 543:
#line 3684 "cs-parser.jay"
  {
		yyVal = new UnaryMutator (UnaryMutator.Mode.PreDecrement, (Expression) yyVals[0+yyTop]);
	  }
  break;
case 544:
#line 3688 "cs-parser.jay"
  {
		yyVal = new Indirection ((Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
	  }
  break;
case 545:
#line 3692 "cs-parser.jay"
  {
		yyVal = new Unary (Unary.Operator.AddressOf, (Expression) yyVals[0+yyTop]);
	  }
  break;
case 547:
#line 3700 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.Multiply, 
			         (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 548:
#line 3705 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.Division, 
			         (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 549:
#line 3710 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.Modulus, 
			         (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 551:
#line 3719 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.Addition, 
			         (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 552:
#line 3724 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.Subtraction, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 553:
#line 3728 "cs-parser.jay"
  {
	  	/* Shift/Reduce conflict*/
		yyVal = new Binary (Binary.Operator.Subtraction, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
  	  }
  break;
case 554:
#line 3733 "cs-parser.jay"
  {
		yyVal = new As ((Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], (Location) yyVals[-1+yyTop]);
	  }
  break;
case 555:
#line 3737 "cs-parser.jay"
  {
		yyVal = new Is ((Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], (Location) yyVals[-1+yyTop]);
	  }
  break;
case 557:
#line 3745 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.LeftShift, 
			         (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 558:
#line 3750 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.RightShift, 
			         (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 560:
#line 3759 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.LessThan, 
			         (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 561:
#line 3764 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.GreaterThan, 
			         (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 562:
#line 3769 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.LessThanOrEqual, 
			         (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 563:
#line 3774 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.GreaterThanOrEqual, 
			         (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 565:
#line 3783 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.Equality, 
			         (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 566:
#line 3788 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.Inequality, 
			         (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 568:
#line 3797 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.BitwiseAnd, 
			         (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 570:
#line 3806 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.ExclusiveOr, 
			         (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 572:
#line 3815 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.BitwiseOr, 
			         (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 574:
#line 3824 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.LogicalAnd, 
			         (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 576:
#line 3833 "cs-parser.jay"
  {
		yyVal = new Binary (Binary.Operator.LogicalOr, 
			         (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 578:
#line 3842 "cs-parser.jay"
  {
		if (RootContext.Version < LanguageVersion.ISO_2)
			Report.FeatureIsNotAvailable (GetLocation (yyVals[-1+yyTop]), "null coalescing operator");
			
		yyVal = new Nullable.NullCoalescingOperator ((Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], lexer.Location);
	  }
  break;
case 580:
#line 3853 "cs-parser.jay"
  {
		yyVal = new Conditional ((Expression) yyVals[-4+yyTop], (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 581:
#line 3860 "cs-parser.jay"
  {
		yyVal = new SimpleAssign ((Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 582:
#line 3864 "cs-parser.jay"
  {
		yyVal = new CompoundAssign (
			Binary.Operator.Multiply, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 583:
#line 3869 "cs-parser.jay"
  {
		yyVal = new CompoundAssign (
			Binary.Operator.Division, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 584:
#line 3874 "cs-parser.jay"
  {
		yyVal = new CompoundAssign (
			Binary.Operator.Modulus, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 585:
#line 3879 "cs-parser.jay"
  {
		yyVal = new CompoundAssign (
			Binary.Operator.Addition, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 586:
#line 3884 "cs-parser.jay"
  {
		yyVal = new CompoundAssign (
			Binary.Operator.Subtraction, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 587:
#line 3889 "cs-parser.jay"
  {
		yyVal = new CompoundAssign (
			Binary.Operator.LeftShift, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 588:
#line 3894 "cs-parser.jay"
  {
		yyVal = new CompoundAssign (
			Binary.Operator.RightShift, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 589:
#line 3899 "cs-parser.jay"
  {
		yyVal = new CompoundAssign (
			Binary.Operator.BitwiseAnd, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 590:
#line 3904 "cs-parser.jay"
  {
		yyVal = new CompoundAssign (
			Binary.Operator.BitwiseOr, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 591:
#line 3909 "cs-parser.jay"
  {
		yyVal = new CompoundAssign (
			Binary.Operator.ExclusiveOr, (Expression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop]);
	  }
  break;
case 592:
#line 3917 "cs-parser.jay"
  {
		ArrayList pars = new ArrayList (4);
		pars.Add (yyVals[0+yyTop]);

		yyVal = pars;
	  }
  break;
case 593:
#line 3924 "cs-parser.jay"
  {
		ArrayList pars = (ArrayList) yyVals[-2+yyTop];
		Parameter p = (Parameter)yyVals[0+yyTop];
		if (pars[0].GetType () != p.GetType ()) {
			Report.Error (748, p.Location, "All lambda parameters must be typed either explicitly or implicitly");
		}
		
		pars.Add (p);
		yyVal = pars;
	  }
  break;
case 594:
#line 3938 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[0+yyTop];

		yyVal = new Parameter ((FullNamedExpression) yyVals[-1+yyTop], lt.Value, (Parameter.Modifier) yyVals[-2+yyTop], null, lt.Location);
	  }
  break;
case 595:
#line 3944 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[0+yyTop];

		yyVal = new Parameter ((FullNamedExpression) yyVals[-1+yyTop], lt.Value, Parameter.Modifier.NONE, null, lt.Location);
	  }
  break;
case 596:
#line 3950 "cs-parser.jay"
  {
	  	LocatedToken lt = (LocatedToken) yyVals[0+yyTop];
		yyVal = new ImplicitLambdaParameter (lt.Value, lt.Location);
	  }
  break;
case 597:
#line 3957 "cs-parser.jay"
  { yyVal = Parameters.EmptyReadOnlyParameters; }
  break;
case 598:
#line 3958 "cs-parser.jay"
  { 
		ArrayList pars_list = (ArrayList) yyVals[0+yyTop];
		yyVal = new Parameters ((Parameter[])pars_list.ToArray (typeof (Parameter)));
	  }
  break;
case 599:
#line 3965 "cs-parser.jay"
  {
		start_block (lexer.Location);
	  }
  break;
case 600:
#line 3969 "cs-parser.jay"
  {
		Block b = end_block (lexer.Location);
		b.AddStatement (new ContextualReturn ((Expression) yyVals[0+yyTop]));
		yyVal = b;
	  }
  break;
case 601:
#line 3974 "cs-parser.jay"
  { 
	  	yyVal = yyVals[0+yyTop]; 
	  }
  break;
case 602:
#line 3981 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-1+yyTop];
		Parameter p = new ImplicitLambdaParameter (lt.Value, lt.Location);
		start_anonymous (true, new Parameters (p), GetLocation (yyVals[-1+yyTop]));
	  }
  break;
case 603:
#line 3987 "cs-parser.jay"
  {
		yyVal = end_anonymous ((ToplevelBlock) yyVals[0+yyTop]);
	  }
  break;
case 604:
#line 3991 "cs-parser.jay"
  {
		start_anonymous (true, (Parameters) yyVals[-2+yyTop], GetLocation (yyVals[-3+yyTop]));
	  }
  break;
case 605:
#line 3995 "cs-parser.jay"
  {
		yyVal = end_anonymous ((ToplevelBlock) yyVals[0+yyTop]);
	  }
  break;
case 613:
#line 4027 "cs-parser.jay"
  {
		lexer.ConstraintsParsing = true;
	  }
  break;
case 614:
#line 4031 "cs-parser.jay"
  {
		MemberName name = MakeName ((MemberName) yyVals[0+yyTop]);
		push_current_class (new Class (current_namespace, current_class, name, (int) yyVals[-4+yyTop], (Attributes) yyVals[-5+yyTop]), yyVals[-3+yyTop]);
	  }
  break;
case 615:
#line 4037 "cs-parser.jay"
  {
		lexer.ConstraintsParsing = false;

		current_class.SetParameterInfo ((ArrayList) yyVals[0+yyTop]);

		if (RootContext.Documentation != null) {
			current_container.DocComment = Lexer.consume_doc_comment ();
			Lexer.doc_state = XmlCommentState.Allowed;
		}
	  }
  break;
case 616:
#line 4048 "cs-parser.jay"
  {
		--lexer.parsing_declaration;	  
		if (RootContext.Documentation != null)
			Lexer.doc_state = XmlCommentState.Allowed;
	  }
  break;
case 617:
#line 4054 "cs-parser.jay"
  {
		yyVal = pop_current_class ();
	  }
  break;
case 618:
#line 4061 "cs-parser.jay"
  { yyVal = null; }
  break;
case 619:
#line 4063 "cs-parser.jay"
  { yyVal = yyVals[0+yyTop]; }
  break;
case 620:
#line 4067 "cs-parser.jay"
  { yyVal = (int) 0; }
  break;
case 623:
#line 4074 "cs-parser.jay"
  { 
		int m1 = (int) yyVals[-1+yyTop];
		int m2 = (int) yyVals[0+yyTop];

		if ((m1 & m2) != 0) {
			Location l = lexer.Location;
			Report.Error (1004, l, "Duplicate `{0}' modifier", Modifiers.Name (m2));
		}
		yyVal = (int) (m1 | m2);
	  }
  break;
case 624:
#line 4088 "cs-parser.jay"
  {
		yyVal = Modifiers.NEW;
		if (current_container == RootContext.ToplevelTypes)
			Report.Error (1530, lexer.Location, "Keyword `new' is not allowed on namespace elements");
	  }
  break;
case 625:
#line 4093 "cs-parser.jay"
  { yyVal = Modifiers.PUBLIC; }
  break;
case 626:
#line 4094 "cs-parser.jay"
  { yyVal = Modifiers.PROTECTED; }
  break;
case 627:
#line 4095 "cs-parser.jay"
  { yyVal = Modifiers.INTERNAL; }
  break;
case 628:
#line 4096 "cs-parser.jay"
  { yyVal = Modifiers.PRIVATE; }
  break;
case 629:
#line 4097 "cs-parser.jay"
  { yyVal = Modifiers.ABSTRACT; }
  break;
case 630:
#line 4098 "cs-parser.jay"
  { yyVal = Modifiers.SEALED; }
  break;
case 631:
#line 4099 "cs-parser.jay"
  { yyVal = Modifiers.STATIC; }
  break;
case 632:
#line 4100 "cs-parser.jay"
  { yyVal = Modifiers.READONLY; }
  break;
case 633:
#line 4101 "cs-parser.jay"
  { yyVal = Modifiers.VIRTUAL; }
  break;
case 634:
#line 4102 "cs-parser.jay"
  { yyVal = Modifiers.OVERRIDE; }
  break;
case 635:
#line 4103 "cs-parser.jay"
  { yyVal = Modifiers.EXTERN; }
  break;
case 636:
#line 4104 "cs-parser.jay"
  { yyVal = Modifiers.VOLATILE; }
  break;
case 637:
#line 4105 "cs-parser.jay"
  { yyVal = Modifiers.UNSAFE; }
  break;
case 640:
#line 4114 "cs-parser.jay"
  { current_container.AddBasesForPart (current_class, (ArrayList) yyVals[0+yyTop]); }
  break;
case 641:
#line 4118 "cs-parser.jay"
  { yyVal = null; }
  break;
case 642:
#line 4120 "cs-parser.jay"
  { yyVal = yyVals[0+yyTop]; }
  break;
case 643:
#line 4124 "cs-parser.jay"
  {
		ArrayList constraints = new ArrayList (1);
		constraints.Add (yyVals[0+yyTop]);
		yyVal = constraints;
	  }
  break;
case 644:
#line 4129 "cs-parser.jay"
  {
		ArrayList constraints = (ArrayList) yyVals[-1+yyTop];
		Constraints new_constraint = (Constraints)yyVals[0+yyTop];

		foreach (Constraints c in constraints) {
			if (new_constraint.TypeParameter == c.TypeParameter) {
				Report.Error (409, new_constraint.Location, "A constraint clause has already been specified for type parameter `{0}'",
					new_constraint.TypeParameter);
			}
		}

		constraints.Add (new_constraint);
		yyVal = constraints;
	  }
  break;
case 645:
#line 4146 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-2+yyTop];
		yyVal = new Constraints (lt.Value, (ArrayList) yyVals[0+yyTop], lt.Location);
	  }
  break;
case 646:
#line 4153 "cs-parser.jay"
  {
		ArrayList constraints = new ArrayList (1);
		constraints.Add (yyVals[0+yyTop]);
		yyVal = constraints;
	  }
  break;
case 647:
#line 4158 "cs-parser.jay"
  {
		ArrayList constraints = (ArrayList) yyVals[-2+yyTop];

		constraints.Add (yyVals[0+yyTop]);
		yyVal = constraints;
	  }
  break;
case 649:
#line 4168 "cs-parser.jay"
  {
		yyVal = SpecialConstraint.Constructor;
	  }
  break;
case 650:
#line 4171 "cs-parser.jay"
  {
		yyVal = SpecialConstraint.ReferenceType;
	  }
  break;
case 651:
#line 4174 "cs-parser.jay"
  {
		yyVal = SpecialConstraint.ValueType;
	  }
  break;
case 652:
#line 4194 "cs-parser.jay"
  {
		++lexer.parsing_block;
		start_block ((Location) yyVals[0+yyTop]);
	  }
  break;
case 653:
#line 4199 "cs-parser.jay"
  {
	 	--lexer.parsing_block;
		yyVal = end_block ((Location) yyVals[0+yyTop]);
	  }
  break;
case 654:
#line 4207 "cs-parser.jay"
  {
		++lexer.parsing_block;
		current_block.StartLocation = GetLocation (yyVals[0+yyTop]);
	  }
  break;
case 655:
#line 4212 "cs-parser.jay"
  {
		--lexer.parsing_block;
		yyVal = end_block ((Location) yyVals[0+yyTop]);
	  }
  break;
case 660:
#line 4230 "cs-parser.jay"
  {
		if (yyVals[0+yyTop] != null && (Block) yyVals[0+yyTop] != current_block){
			current_block.AddStatement ((Statement) yyVals[0+yyTop]);
			current_block = (Block) yyVals[0+yyTop];
		}
	  }
  break;
case 661:
#line 4237 "cs-parser.jay"
  {
		current_block.AddStatement ((Statement) yyVals[0+yyTop]);
	  }
  break;
case 665:
#line 4256 "cs-parser.jay"
  {
		if (yyVals[0+yyTop] != null && (Block) yyVals[0+yyTop] != current_block){
			current_block.AddStatement ((Statement) yyVals[0+yyTop]);
			current_block = (Block) yyVals[0+yyTop];
		}
	  }
  break;
case 666:
#line 4263 "cs-parser.jay"
  {
		current_block.AddStatement ((Statement) yyVals[0+yyTop]);
	  }
  break;
case 695:
#line 4304 "cs-parser.jay"
  {
		  Report.Error (1023, GetLocation (yyVals[0+yyTop]), "An embedded statement may not be a declaration or labeled statement");
		  yyVal = null;
	  }
  break;
case 696:
#line 4309 "cs-parser.jay"
  {
		  Report.Error (1023, GetLocation (yyVals[0+yyTop]), "An embedded statement may not be a declaration or labeled statement");
		  yyVal = null;
	  }
  break;
case 697:
#line 4317 "cs-parser.jay"
  {
		  yyVal = EmptyStatement.Value;
	  }
  break;
case 698:
#line 4324 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-1+yyTop];
		LabeledStatement labeled = new LabeledStatement (lt.Value, lt.Location);

		if (current_block.AddLabel (labeled))
			current_block.AddStatement (labeled);
	  }
  break;
case 700:
#line 4336 "cs-parser.jay"
  {
		current_array_type = null;
		if (yyVals[-1+yyTop] != null){
			DictionaryEntry de = (DictionaryEntry) yyVals[-1+yyTop];
			Expression e = (Expression) de.Key;

			yyVal = declare_local_variables (e, (ArrayList) de.Value, e.Location);
		}
	  }
  break;
case 701:
#line 4347 "cs-parser.jay"
  {
		current_array_type = null;
		if (yyVals[-1+yyTop] != null){
			DictionaryEntry de = (DictionaryEntry) yyVals[-1+yyTop];

			yyVal = declare_local_constants ((Expression) de.Key, (ArrayList) de.Value);
		}
	  }
  break;
case 702:
#line 4365 "cs-parser.jay"
  { 
		/* FIXME: Do something smart here regarding the composition of the type.*/

		/* Ok, the above "primary_expression" is there to get rid of*/
		/* both reduce/reduce and shift/reduces in the grammar, it should*/
		/* really just be "type_name".  If you use type_name, a reduce/reduce*/
		/* creeps up.  If you use namespace_or_type_name (which is all we need*/
		/* really) two shift/reduces appear.*/
		/* */

		/* So the super-trick is that primary_expression*/
		/* can only be either a SimpleName or a MemberAccess. */
		/* The MemberAccess case arises when you have a fully qualified type-name like :*/
		/* Foo.Bar.Blah i;*/
		/* SimpleName is when you have*/
		/* Blah i;*/
		
		Expression expr = (Expression) yyVals[-1+yyTop];
		string rank_or_nullable = (string) yyVals[0+yyTop];
		
		if (expr is ComposedCast){
			yyVal = new ComposedCast ((ComposedCast)expr, rank_or_nullable);
		} else if (expr is ATypeNameExpression){
			/**/
			/* So we extract the string corresponding to the SimpleName*/
			/* or MemberAccess*/
			/**/
			if (rank_or_nullable.Length == 0) {
				SimpleName sn = expr as SimpleName;
				if (sn != null && sn.Name == "var" &&
				    (RootContext.Version > LanguageVersion.ISO_2 || RootContext.Version == LanguageVersion.Default_MCS))
					yyVal = current_array_type = new VarExpr (sn.Location);
				else
					yyVal = yyVals[-1+yyTop];
			} else {
				yyVal = new ComposedCast ((ATypeNameExpression)expr, rank_or_nullable);
			}
		} else {
			Error_ExpectingTypeName (expr);
			yyVal = TypeManager.system_object_expr;
		}
	  }
  break;
case 703:
#line 4408 "cs-parser.jay"
  {
		if ((string) yyVals[0+yyTop] == "")
			yyVal = yyVals[-1+yyTop];
		else
			yyVal = current_array_type = new ComposedCast ((FullNamedExpression) yyVals[-1+yyTop], (string) yyVals[0+yyTop], lexer.Location);
	  }
  break;
case 704:
#line 4415 "cs-parser.jay"
  {
		Expression.Error_VoidInvalidInTheContext (lexer.Location);
		yyVal = TypeManager.system_void_expr;
	  }
  break;
case 705:
#line 4423 "cs-parser.jay"
  {
		ATypeNameExpression expr = yyVals[-1+yyTop] as ATypeNameExpression;

		if (expr != null) {
			yyVal = new ComposedCast (expr, "*");
		} else {
			Error_ExpectingTypeName ((Expression)yyVals[-1+yyTop]);
			yyVal = expr;
		}
	  }
  break;
case 706:
#line 4434 "cs-parser.jay"
  {
		yyVal = new ComposedCast ((FullNamedExpression) yyVals[-1+yyTop], "*", GetLocation (yyVals[-1+yyTop]));
	  }
  break;
case 707:
#line 4438 "cs-parser.jay"
  {
		yyVal = new ComposedCast (TypeManager.system_void_expr, "*", (Location) yyVals[-1+yyTop]);
	  }
  break;
case 708:
#line 4442 "cs-parser.jay"
  {
		yyVal = new ComposedCast ((FullNamedExpression) yyVals[-1+yyTop], "*");
	  }
  break;
case 710:
#line 4450 "cs-parser.jay"
  {
		if (yyVals[-1+yyTop] != null){
			string rank = (string)yyVals[0+yyTop];

			if (rank == "")
				yyVal = yyVals[-1+yyTop];
			else
				yyVal = current_array_type = new ComposedCast ((FullNamedExpression) yyVals[-1+yyTop], rank);
		} else {
			yyVal = null;
		}
	  }
  break;
case 711:
#line 4466 "cs-parser.jay"
  {
		if (yyVals[-1+yyTop] != null) {
			VarExpr ve = yyVals[-1+yyTop] as VarExpr;
			if (ve != null)
				ve.VariableInitializer = (ArrayList)yyVals[0+yyTop];
				
			yyVal = new DictionaryEntry (yyVals[-1+yyTop], yyVals[0+yyTop]);
		} else
			yyVal = null;
	  }
  break;
case 712:
#line 4480 "cs-parser.jay"
  {
		if (yyVals[-1+yyTop] != null)
			yyVal = new DictionaryEntry (yyVals[-1+yyTop], yyVals[0+yyTop]);
		else
			yyVal = null;
	  }
  break;
case 713:
#line 4489 "cs-parser.jay"
  { yyVal = yyVals[-1+yyTop]; }
  break;
case 714:
#line 4493 "cs-parser.jay"
  { yyVal = yyVals[-1+yyTop]; }
  break;
case 715:
#line 4502 "cs-parser.jay"
  {
		ExpressionStatement s = yyVals[0+yyTop] as ExpressionStatement;
		if (s == null) {
			((Expression) yyVals[0+yyTop]).Error_InvalidExpressionStatement ();
			s = EmptyExpressionStatement.Instance;
		}

		yyVal = new StatementExpression (s);
	  }
  break;
case 716:
#line 4512 "cs-parser.jay"
  {
		Error_SyntaxError (yyToken);
		yyVal = null;
	  }
  break;
case 717:
#line 4520 "cs-parser.jay"
  {
		Expression expr = (Expression) yyVals[0+yyTop];
		ExpressionStatement s;

	        s = new OptionalAssign (new SimpleName ("$retval", lexer.Location), expr, lexer.Location);
		yyVal = new StatementExpression (s);
	  }
  break;
case 718:
#line 4528 "cs-parser.jay"
  {
		Error_SyntaxError (yyToken);
		yyVal = null;
	  }
  break;
case 721:
#line 4542 "cs-parser.jay"
  { 
		Location l = (Location) yyVals[-4+yyTop];

		yyVal = new If ((Expression) yyVals[-2+yyTop], (Statement) yyVals[0+yyTop], l);

		/* FIXME: location for warning should be loc property of $5.*/
		if (yyVals[0+yyTop] == EmptyStatement.Value)
			Report.Warning (642, 3, l, "Possible mistaken empty statement");

	  }
  break;
case 722:
#line 4554 "cs-parser.jay"
  {
		Location l = (Location) yyVals[-6+yyTop];

		yyVal = new If ((Expression) yyVals[-4+yyTop], (Statement) yyVals[-2+yyTop], (Statement) yyVals[0+yyTop], l);

		/* FIXME: location for warning should be loc property of $5 and $7.*/
		if (yyVals[-2+yyTop] == EmptyStatement.Value)
			Report.Warning (642, 3, l, "Possible mistaken empty statement");
		if (yyVals[0+yyTop] == EmptyStatement.Value)
			Report.Warning (642, 3, l, "Possible mistaken empty statement");
	  }
  break;
case 723:
#line 4569 "cs-parser.jay"
  { 
		if (switch_stack == null)
			switch_stack = new Stack (2);
		switch_stack.Push (current_block);
	  }
  break;
case 724:
#line 4576 "cs-parser.jay"
  {
		yyVal = new Switch ((Expression) yyVals[-2+yyTop], (ArrayList) yyVals[0+yyTop], (Location) yyVals[-5+yyTop]);
		current_block = (Block) switch_stack.Pop ();
	  }
  break;
case 725:
#line 4586 "cs-parser.jay"
  {
		yyVal = yyVals[-1+yyTop];
	  }
  break;
case 726:
#line 4593 "cs-parser.jay"
  {
	  	Report.Warning (1522, 1, lexer.Location, "Empty switch block"); 
		yyVal = new ArrayList ();
	  }
  break;
case 728:
#line 4602 "cs-parser.jay"
  {
		ArrayList sections = new ArrayList (4);

		sections.Add (yyVals[0+yyTop]);
		yyVal = sections;
	  }
  break;
case 729:
#line 4609 "cs-parser.jay"
  {
		ArrayList sections = (ArrayList) yyVals[-1+yyTop];

		sections.Add (yyVals[0+yyTop]);
		yyVal = sections;
	  }
  break;
case 730:
#line 4619 "cs-parser.jay"
  {
		current_block = current_block.CreateSwitchBlock (lexer.Location);
	  }
  break;
case 731:
#line 4623 "cs-parser.jay"
  {
		yyVal = new SwitchSection ((ArrayList) yyVals[-2+yyTop], current_block.Explicit);
	  }
  break;
case 732:
#line 4630 "cs-parser.jay"
  {
		ArrayList labels = new ArrayList (4);

		labels.Add (yyVals[0+yyTop]);
		yyVal = labels;
	  }
  break;
case 733:
#line 4637 "cs-parser.jay"
  {
		ArrayList labels = (ArrayList) (yyVals[-1+yyTop]);
		labels.Add (yyVals[0+yyTop]);

		yyVal = labels;
	  }
  break;
case 734:
#line 4647 "cs-parser.jay"
  {
	 	yyVal = new SwitchLabel ((Expression) yyVals[-1+yyTop], (Location) yyVals[-2+yyTop]);
	 }
  break;
case 735:
#line 4651 "cs-parser.jay"
  {
		yyVal = new SwitchLabel (null, (Location) yyVals[0+yyTop]);
	  }
  break;
case 740:
#line 4665 "cs-parser.jay"
  {
		Location l = (Location) yyVals[-4+yyTop];
		yyVal = new While ((Expression) yyVals[-2+yyTop], (Statement) yyVals[0+yyTop], l);
	  }
  break;
case 741:
#line 4674 "cs-parser.jay"
  {
		Location l = (Location) yyVals[-6+yyTop];

		yyVal = new Do ((Statement) yyVals[-5+yyTop], (Expression) yyVals[-2+yyTop], l);
	  }
  break;
case 742:
#line 4683 "cs-parser.jay"
  {
		Location l = lexer.Location;
		start_block (l);  
		Block assign_block = current_block;

		if (yyVals[-1+yyTop] is DictionaryEntry){
			DictionaryEntry de = (DictionaryEntry) yyVals[-1+yyTop];
			
			Expression type = (Expression) de.Key;
			ArrayList var_declarators = (ArrayList) de.Value;

			foreach (VariableDeclaration decl in var_declarators){

				LocalInfo vi;

				vi = current_block.AddVariable (type, decl.identifier, decl.Location);
				if (vi == null)
					continue;

				Expression expr = decl.expression_or_array_initializer;
					
				LocalVariableReference var;
				var = new LocalVariableReference (assign_block, decl.identifier, l);

				if (expr != null) {
					Assign a = new SimpleAssign (var, expr, decl.Location);
					
					assign_block.AddStatement (new StatementExpression (a));
				}
			}
			
			/* Note: the $$ below refers to the value of this code block, not of the LHS non-terminal.*/
			/* This can be referred to as $5 below.*/
			yyVal = null;
		} else {
			yyVal = yyVals[-1+yyTop];
		}
	  }
  break;
case 743:
#line 4724 "cs-parser.jay"
  {
		Location l = (Location) yyVals[-9+yyTop];

		For f = new For ((Statement) yyVals[-5+yyTop], (Expression) yyVals[-4+yyTop], (Statement) yyVals[-2+yyTop], (Statement) yyVals[0+yyTop], l);

		current_block.AddStatement (f);

		yyVal = end_block (lexer.Location);
	  }
  break;
case 744:
#line 4736 "cs-parser.jay"
  { yyVal = EmptyStatement.Value; }
  break;
case 748:
#line 4746 "cs-parser.jay"
  { yyVal = null; }
  break;
case 750:
#line 4751 "cs-parser.jay"
  { yyVal = EmptyStatement.Value; }
  break;
case 753:
#line 4761 "cs-parser.jay"
  {
		/* CHANGE: was `null'*/
		Statement s = (Statement) yyVals[0+yyTop];
		Block b = new Block (current_block, s.loc, lexer.Location);   

		b.AddStatement (s);
		yyVal = b;
	  }
  break;
case 754:
#line 4770 "cs-parser.jay"
  {
		Block b = (Block) yyVals[-2+yyTop];

		b.AddStatement ((Statement) yyVals[0+yyTop]);
		yyVal = yyVals[-2+yyTop];
	  }
  break;
case 755:
#line 4780 "cs-parser.jay"
  {
		Report.Error (230, (Location) yyVals[-5+yyTop], "Type and identifier are both required in a foreach statement");
		yyVal = null;
	  }
  break;
case 756:
#line 4786 "cs-parser.jay"
  {
		start_block (lexer.Location);
		Block foreach_block = current_block;

		LocatedToken lt = (LocatedToken) yyVals[-3+yyTop];
		Location l = lt.Location;
		LocalInfo vi = foreach_block.AddVariable ((Expression) yyVals[-4+yyTop], lt.Value, l);
		if (vi != null) {
			vi.SetReadOnlyContext (LocalInfo.ReadOnlyContext.Foreach);

			/* Get a writable reference to this read-only variable.*/
			/**/
			/* Note that the $$ here refers to the value of _this_ code block,*/
			/* not the value of the LHS non-terminal.  This can be referred to as $8 below.*/
			yyVal = new LocalVariableReference (foreach_block, lt.Value, l, vi, false);
		} else {
			yyVal = null;
		}
	  }
  break;
case 757:
#line 4806 "cs-parser.jay"
  {
		LocalVariableReference v = (LocalVariableReference) yyVals[-1+yyTop];
		Location l = (Location) yyVals[-8+yyTop];

		if (v != null) {
			Foreach f = new Foreach ((Expression) yyVals[-6+yyTop], v, (Expression) yyVals[-3+yyTop], (Statement) yyVals[0+yyTop], l);
			current_block.AddStatement (f);
		}

		yyVal = end_block (lexer.Location);
	  }
  break;
case 764:
#line 4830 "cs-parser.jay"
  {
		yyVal = new Break ((Location) yyVals[-1+yyTop]);
	  }
  break;
case 765:
#line 4837 "cs-parser.jay"
  {
		yyVal = new Continue ((Location) yyVals[-1+yyTop]);
	  }
  break;
case 766:
#line 4844 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-1+yyTop];
		yyVal = new Goto (lt.Value, lt.Location);
	  }
  break;
case 767:
#line 4849 "cs-parser.jay"
  {
		yyVal = new GotoCase ((Expression) yyVals[-1+yyTop], (Location) yyVals[-3+yyTop]);
	  }
  break;
case 768:
#line 4853 "cs-parser.jay"
  {
		yyVal = new GotoDefault ((Location) yyVals[-2+yyTop]);
	  }
  break;
case 769:
#line 4860 "cs-parser.jay"
  {
		yyVal = new Return ((Expression) yyVals[-1+yyTop], (Location) yyVals[-2+yyTop]);
	  }
  break;
case 770:
#line 4867 "cs-parser.jay"
  {
		yyVal = new Throw ((Expression) yyVals[-1+yyTop], (Location) yyVals[-2+yyTop]);
	  }
  break;
case 771:
#line 4874 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-3+yyTop];
		string s = lt.Value;
		if (s != "yield"){
			Report.Error (1003, lt.Location, "; expected");
			yyVal = null;
		}
		if (RootContext.Version == LanguageVersion.ISO_1){
			Report.FeatureIsNotAvailable (lt.Location, "yield statement");
			yyVal = null;
		}
		current_block.Toplevel.IsIterator = true;
		yyVal = new Yield ((Expression) yyVals[-1+yyTop], lt.Location); 
	  }
  break;
case 772:
#line 4889 "cs-parser.jay"
  {
		Report.Error (1627, (Location) yyVals[-1+yyTop], "Expression expected after yield return");
		yyVal = null;
	  }
  break;
case 773:
#line 4894 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-2+yyTop];
		string s = lt.Value;
		if (s != "yield"){
			Report.Error (1003, lt.Location, "; expected");
			yyVal = null;
		}
		if (RootContext.Version == LanguageVersion.ISO_1){
			Report.FeatureIsNotAvailable (lt.Location, "yield statement");
			yyVal = null;
		}
		
		current_block.Toplevel.IsIterator = true;
		yyVal = new YieldBreak (lt.Location);
	  }
  break;
case 776:
#line 4918 "cs-parser.jay"
  {
		yyVal = new TryCatch ((Block) yyVals[-1+yyTop], (ArrayList) yyVals[0+yyTop], (Location) yyVals[-2+yyTop], false);
	  }
  break;
case 777:
#line 4922 "cs-parser.jay"
  {
		yyVal = new TryFinally ((Statement) yyVals[-2+yyTop], (Block) yyVals[0+yyTop], (Location) yyVals[-3+yyTop]);
	  }
  break;
case 778:
#line 4926 "cs-parser.jay"
  {
		yyVal = new TryFinally (new TryCatch ((Block) yyVals[-3+yyTop], (ArrayList) yyVals[-2+yyTop], (Location) yyVals[-4+yyTop], true), (Block) yyVals[0+yyTop], (Location) yyVals[-4+yyTop]);
	  }
  break;
case 779:
#line 4930 "cs-parser.jay"
  {
		Report.Error (1524, (Location) yyVals[-2+yyTop], "Expected catch or finally");
		yyVal = null;
	  }
  break;
case 780:
#line 4938 "cs-parser.jay"
  {
		ArrayList l = new ArrayList (4);

		l.Add (yyVals[0+yyTop]);
		yyVal = l;
	  }
  break;
case 781:
#line 4945 "cs-parser.jay"
  {
		ArrayList l = (ArrayList) yyVals[-1+yyTop];

		l.Add (yyVals[0+yyTop]);
		yyVal = l;
	  }
  break;
case 782:
#line 4954 "cs-parser.jay"
  { yyVal = null; }
  break;
case 784:
#line 4960 "cs-parser.jay"
  {
		Expression type = null;
		
		if (yyVals[0+yyTop] != null) {
			DictionaryEntry cc = (DictionaryEntry) yyVals[0+yyTop];
			type = (Expression) cc.Key;
			LocatedToken lt = (LocatedToken) cc.Value;

			if (lt != null){
				ArrayList one = new ArrayList (4);

				one.Add (new VariableDeclaration (lt, null));

				start_block (lexer.Location);
				current_block = declare_local_variables (type, one, lt.Location);
			}
		}
	  }
  break;
case 785:
#line 4977 "cs-parser.jay"
  {
		Expression type = null;
		string id = null;
		Block var_block = null;

		if (yyVals[-2+yyTop] != null){
			DictionaryEntry cc = (DictionaryEntry) yyVals[-2+yyTop];
			type = (Expression) cc.Key;
			LocatedToken lt = (LocatedToken) cc.Value;

			if (lt != null){
				id = lt.Value;
				var_block = end_block (lexer.Location);
			}
		}

		yyVal = new Catch (type, id, (Block) yyVals[0+yyTop], var_block, ((Block) yyVals[0+yyTop]).loc);
	  }
  break;
case 786:
#line 4998 "cs-parser.jay"
  { yyVal = null; }
  break;
case 788:
#line 5004 "cs-parser.jay"
  {
		yyVal = new DictionaryEntry (yyVals[-2+yyTop], yyVals[-1+yyTop]);
	  }
  break;
case 789:
#line 5008 "cs-parser.jay"
  {
		Report.Error (1015, GetLocation (yyVals[-1+yyTop]), "A type that derives from `System.Exception', `object', or `string' expected");
	  }
  break;
case 790:
#line 5015 "cs-parser.jay"
  {
		yyVal = new Checked ((Block) yyVals[0+yyTop]);
	  }
  break;
case 791:
#line 5022 "cs-parser.jay"
  {
		yyVal = new Unchecked ((Block) yyVals[0+yyTop]);
	  }
  break;
case 792:
#line 5029 "cs-parser.jay"
  {
		RootContext.CheckUnsafeOption ((Location) yyVals[0+yyTop]);
	  }
  break;
case 793:
#line 5031 "cs-parser.jay"
  {
		yyVal = new Unsafe ((Block) yyVals[0+yyTop]);
	  }
  break;
case 794:
#line 5040 "cs-parser.jay"
  {
		ArrayList list = (ArrayList) yyVals[-1+yyTop];
		Expression type = (Expression) yyVals[-2+yyTop];
		Location l = (Location) yyVals[-4+yyTop];
		int top = list.Count;

		start_block (lexer.Location);

		for (int i = 0; i < top; i++){
			Pair p = (Pair) list [i];
			LocalInfo v;

			v = current_block.AddVariable (type, (string) p.First, l);
			if (v == null)
				continue;

			v.SetReadOnlyContext (LocalInfo.ReadOnlyContext.Fixed);
			v.Pinned = true;
			p.First = v;
			list [i] = p;
		}
	  }
  break;
case 795:
#line 5063 "cs-parser.jay"
  {
		Location l = (Location) yyVals[-6+yyTop];

		Fixed f = new Fixed ((Expression) yyVals[-4+yyTop], (ArrayList) yyVals[-3+yyTop], (Statement) yyVals[0+yyTop], l);

		current_block.AddStatement (f);

		yyVal = end_block (lexer.Location);
	  }
  break;
case 796:
#line 5075 "cs-parser.jay"
  { 
	   	ArrayList declarators = new ArrayList (4);
	   	if (yyVals[0+yyTop] != null)
			declarators.Add (yyVals[0+yyTop]);
		yyVal = declarators;
	  }
  break;
case 797:
#line 5082 "cs-parser.jay"
  {
		ArrayList declarators = (ArrayList) yyVals[-2+yyTop];
		if (yyVals[0+yyTop] != null)
			declarators.Add (yyVals[0+yyTop]);
		yyVal = declarators;
	  }
  break;
case 798:
#line 5092 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-2+yyTop];
		/* FIXME: keep location*/
		yyVal = new Pair (lt.Value, yyVals[0+yyTop]);
	  }
  break;
case 799:
#line 5098 "cs-parser.jay"
  {
		Report.Error (210, ((LocatedToken) yyVals[0+yyTop]).Location, "You must provide an initializer in a fixed or using statement declaration");
		yyVal = null;
	  }
  break;
case 800:
#line 5106 "cs-parser.jay"
  {
		/**/
 	  }
  break;
case 801:
#line 5110 "cs-parser.jay"
  {
		yyVal = new Lock ((Expression) yyVals[-3+yyTop], (Statement) yyVals[0+yyTop], (Location) yyVals[-5+yyTop]);
	  }
  break;
case 802:
#line 5117 "cs-parser.jay"
  {
		start_block (lexer.Location);
		Block assign_block = current_block;

		DictionaryEntry de = (DictionaryEntry) yyVals[-1+yyTop];
		Location l = (Location) yyVals[-3+yyTop];

		Expression type = (Expression) de.Key;
		ArrayList var_declarators = (ArrayList) de.Value;

		Stack vars = new Stack ();

		foreach (VariableDeclaration decl in var_declarators) {
			LocalInfo vi = current_block.AddVariable (type, decl.identifier, decl.Location);
			if (vi == null)
				continue;
			vi.SetReadOnlyContext (LocalInfo.ReadOnlyContext.Using);

			Expression expr = decl.expression_or_array_initializer;
			if (expr == null) {
				Report.Error (210, l, "You must provide an initializer in a fixed or using statement declaration");
				continue;
			}
			LocalVariableReference var;

			/* Get a writable reference to this read-only variable.*/
			var = new LocalVariableReference (assign_block, decl.identifier, l, vi, false);

			/* This is so that it is not a warning on using variables*/
			vi.Used = true;

			vars.Push (new DictionaryEntry (var, expr));

			/* Assign a = new SimpleAssign (var, expr, decl.Location);*/
			/* assign_block.AddStatement (new StatementExpression (a));*/
		}

		/* Note: the $$ here refers to the value of this code block and not of the LHS non-terminal.*/
		/* It can be referred to as $5 below.*/
		yyVal = vars;
	  }
  break;
case 803:
#line 5159 "cs-parser.jay"
  {
		Statement stmt = (Statement) yyVals[0+yyTop];
		Stack vars = (Stack) yyVals[-1+yyTop];
		Location l = (Location) yyVals[-5+yyTop];

		while (vars.Count > 0) {
			  DictionaryEntry de = (DictionaryEntry) vars.Pop ();
			  stmt = new Using ((Expression) de.Key, (Expression) de.Value, stmt, l);
		}
		current_block.AddStatement (stmt);
		yyVal = end_block (lexer.Location);
	  }
  break;
case 804:
#line 5172 "cs-parser.jay"
  {
		start_block (lexer.Location);
	  }
  break;
case 805:
#line 5176 "cs-parser.jay"
  {
		current_block.AddStatement (new UsingTemporary ((Expression) yyVals[-3+yyTop], (Statement) yyVals[0+yyTop], (Location) yyVals[-5+yyTop]));
		yyVal = end_block (lexer.Location);
	  }
  break;
case 806:
#line 5187 "cs-parser.jay"
  {
		++lexer.query_parsing;
	  }
  break;
case 807:
#line 5191 "cs-parser.jay"
  {
		if (--lexer.query_parsing == 1)
			lexer.query_parsing = 0;
			
		Linq.AQueryClause from = yyVals[-2+yyTop] as Linq.AQueryClause;
			
		from.Tail.Next = (Linq.AQueryClause)yyVals[0+yyTop];
		yyVal = from;
		
		current_block.SetEndLocation (lexer.Location);
		current_block = current_block.Parent;
	  }
  break;
case 808:
#line 5207 "cs-parser.jay"
  {
		yyVal = new Linq.QueryExpression (current_block, new Linq.QueryStartClause ((Expression)yyVals[0+yyTop]));
		current_block = new Linq.QueryBlock (current_block, (LocatedToken) yyVals[-2+yyTop], GetLocation (yyVals[-3+yyTop]));
	  }
  break;
case 809:
#line 5212 "cs-parser.jay"
  {
		yyVal = new Linq.QueryExpression (current_block, new Linq.Cast ((FullNamedExpression)yyVals[-3+yyTop], (Expression)yyVals[0+yyTop]));
		current_block = new Linq.QueryBlock (current_block, (LocatedToken) yyVals[-2+yyTop], GetLocation (yyVals[-4+yyTop]));
	  }
  break;
case 810:
#line 5220 "cs-parser.jay"
  {
		current_block = new Linq.QueryBlock (current_block, GetLocation (yyVals[-2+yyTop]));
	  }
  break;
case 811:
#line 5224 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-3+yyTop];
		yyVal = new Linq.SelectMany (current_block.Toplevel, lt, (Expression)yyVals[0+yyTop]);
		
		current_block.SetEndLocation (lexer.Location);
		current_block = current_block.Parent;
		
		((Linq.QueryBlock)current_block).AddTransparentParameter (lt);
	  }
  break;
case 812:
#line 5234 "cs-parser.jay"
  {
		current_block = new Linq.QueryBlock (current_block, GetLocation (yyVals[-3+yyTop]));
	  }
  break;
case 813:
#line 5238 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-3+yyTop];
		FullNamedExpression type = (FullNamedExpression)yyVals[-4+yyTop];
		
		yyVal = new Linq.SelectMany (current_block.Toplevel, lt, new Linq.Cast (type, (FullNamedExpression)yyVals[0+yyTop]));
		
		current_block.SetEndLocation (lexer.Location);
		current_block = current_block.Parent;
		
		((Linq.QueryBlock)current_block).AddTransparentParameter (lt);
	  }
  break;
case 814:
#line 5253 "cs-parser.jay"
  {
	  	Linq.AQueryClause head = (Linq.AQueryClause)yyVals[-1+yyTop];
		
		if (yyVals[0+yyTop] != null)
			head.Next = (Linq.AQueryClause)yyVals[0+yyTop];
				
		if (yyVals[-2+yyTop] != null) {
			Linq.AQueryClause clause = (Linq.AQueryClause)yyVals[-2+yyTop];
			clause.Tail.Next = head;
			head = clause;
		}
		
		yyVal = head;
	  }
  break;
case 815:
#line 5271 "cs-parser.jay"
  {
	  	current_block = new Linq.QueryBlock (current_block, lexer.Location);
	  }
  break;
case 816:
#line 5275 "cs-parser.jay"
  {
		yyVal = new Linq.Select (current_block.Toplevel, (Expression)yyVals[0+yyTop], GetLocation (yyVals[-2+yyTop]));

		current_block.SetEndLocation (lexer.Location);
		current_block = current_block.Parent;
	  }
  break;
case 817:
#line 5282 "cs-parser.jay"
  {
	  	if (linq_clause_blocks == null)
	  		linq_clause_blocks = new Stack ();
	  		
	  	current_block = new Linq.QueryBlock (current_block, lexer.Location);
	  	linq_clause_blocks.Push (current_block);
	  }
  break;
case 818:
#line 5290 "cs-parser.jay"
  {
		current_block.SetEndLocation (lexer.Location);
		current_block = current_block.Parent;
	  
		current_block = new Linq.QueryBlock (current_block, lexer.Location);
	  }
  break;
case 819:
#line 5297 "cs-parser.jay"
  {
		yyVal = new Linq.GroupBy (current_block.Toplevel, (Expression)yyVals[-3+yyTop], (ToplevelBlock) linq_clause_blocks.Pop (), (Expression)yyVals[0+yyTop], GetLocation (yyVals[-5+yyTop]));
		
		current_block.SetEndLocation (lexer.Location);
		current_block = current_block.Parent;
	  }
  break;
case 823:
#line 5313 "cs-parser.jay"
  {
		((Linq.AQueryClause)yyVals[-1+yyTop]).Tail.Next = (Linq.AQueryClause)yyVals[0+yyTop];
		yyVal = yyVals[-1+yyTop];
	  }
  break;
case 829:
#line 5329 "cs-parser.jay"
  {
	  	current_block = new Linq.QueryBlock (current_block, GetLocation (yyVals[-2+yyTop]));
	  }
  break;
case 830:
#line 5333 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-3+yyTop];
	  	yyVal = new Linq.Let (current_block.Toplevel, current_container, lt, (Expression)yyVals[0+yyTop]);
	  	
		current_block.SetEndLocation (lexer.Location);
		current_block = current_block.Parent;
		
		((Linq.QueryBlock)current_block).AddTransparentParameter (lt);
	  }
  break;
case 831:
#line 5346 "cs-parser.jay"
  {
	  	current_block = new Linq.QueryBlock (current_block, lexer.Location);
	  }
  break;
case 832:
#line 5350 "cs-parser.jay"
  {
		yyVal = new Linq.Where (current_block.Toplevel, (Expression)yyVals[0+yyTop], GetLocation (yyVals[-2+yyTop]));

		current_block.SetEndLocation (lexer.Location);
		current_block = current_block.Parent;
	  }
  break;
case 833:
#line 5360 "cs-parser.jay"
  {
		if (linq_clause_blocks == null)
			linq_clause_blocks = new Stack ();
	  		
		current_block = new Linq.QueryBlock (current_block, lexer.Location);
		linq_clause_blocks.Push (current_block);
	  }
  break;
case 834:
#line 5368 "cs-parser.jay"
  {
		current_block.SetEndLocation (lexer.Location);
		current_block = current_block.Parent;

		current_block = new Linq.QueryBlock (current_block, lexer.Location);
		linq_clause_blocks.Push (current_block);
	  }
  break;
case 835:
#line 5376 "cs-parser.jay"
  {
		current_block.AddStatement (new ContextualReturn ((Expression) yyVals[-1+yyTop]));
		current_block.SetEndLocation (lexer.Location);
		current_block = current_block.Parent;

		current_block = new Linq.QueryBlock (current_block, (LocatedToken) yyVals[-7+yyTop], lexer.Location);
	  }
  break;
case 836:
#line 5384 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-10+yyTop];
		
		ToplevelBlock outer_selector = (ToplevelBlock) linq_clause_blocks.Pop ();
		ToplevelBlock block = (ToplevelBlock) linq_clause_blocks.Pop ();

		if (yyVals[0+yyTop] == null) {
	  		yyVal = new Linq.Join (block, lt, (Expression)yyVals[-7+yyTop], outer_selector, current_block.Toplevel, GetLocation (yyVals[-11+yyTop]));
		} else {
			yyVal = new Linq.GroupJoin (block, lt, (Expression)yyVals[-7+yyTop], outer_selector, current_block.Toplevel,
				(LocatedToken) yyVals[0+yyTop], GetLocation (yyVals[-11+yyTop]));
		}

		current_block.AddStatement (new ContextualReturn ((Expression) yyVals[-1+yyTop]));
		current_block.SetEndLocation (lexer.Location);
		current_block = current_block.Parent;
			
		if (yyVals[0+yyTop] == null)
			((Linq.QueryBlock)current_block).AddTransparentParameter (lt);
		else
			((Linq.QueryBlock)current_block).AddTransparentParameter ((LocatedToken) yyVals[0+yyTop]);
	  }
  break;
case 837:
#line 5407 "cs-parser.jay"
  {
		if (linq_clause_blocks == null)
			linq_clause_blocks = new Stack ();
	  		
		current_block = new Linq.QueryBlock (current_block, lexer.Location);
		linq_clause_blocks.Push (current_block);
	  }
  break;
case 838:
#line 5415 "cs-parser.jay"
  {
		current_block.SetEndLocation (lexer.Location);
		current_block = current_block.Parent;

		current_block = new Linq.QueryBlock (current_block, lexer.Location);
		linq_clause_blocks.Push (current_block);
	  }
  break;
case 839:
#line 5423 "cs-parser.jay"
  {
		current_block.AddStatement (new ContextualReturn ((Expression) yyVals[-1+yyTop]));
		current_block.SetEndLocation (lexer.Location);
		current_block = current_block.Parent;

		current_block = new Linq.QueryBlock (current_block, (LocatedToken) yyVals[-7+yyTop], lexer.Location);
	  }
  break;
case 840:
#line 5431 "cs-parser.jay"
  {
		LocatedToken lt = (LocatedToken) yyVals[-10+yyTop];
		ToplevelBlock outer_selector = (ToplevelBlock) linq_clause_blocks.Pop ();
		ToplevelBlock block = (ToplevelBlock) linq_clause_blocks.Pop ();
		
		Linq.Cast cast = new Linq.Cast ((FullNamedExpression)yyVals[-11+yyTop], (Expression)yyVals[-7+yyTop]);
		if (yyVals[0+yyTop] == null) {
	  		yyVal = new Linq.Join (block, lt, cast, outer_selector, current_block.Toplevel, GetLocation (yyVals[-12+yyTop]));
		} else {
			yyVal = new Linq.GroupJoin (block, lt, cast, outer_selector, current_block.Toplevel,
				(LocatedToken) yyVals[0+yyTop], GetLocation (yyVals[-12+yyTop]));
		}
		
		current_block.AddStatement (new ContextualReturn ((Expression) yyVals[-1+yyTop]));
		current_block.SetEndLocation (lexer.Location);
		current_block = current_block.Parent;
			
		if (yyVals[0+yyTop] == null)
			((Linq.QueryBlock)current_block).AddTransparentParameter (lt);
		else
			((Linq.QueryBlock)current_block).AddTransparentParameter ((LocatedToken) yyVals[0+yyTop]);
	  }
  break;
case 842:
#line 5458 "cs-parser.jay"
  {
		yyVal = yyVals[0+yyTop];
	  }
  break;
case 843:
#line 5465 "cs-parser.jay"
  {
		current_block = new Linq.QueryBlock (current_block, lexer.Location);
	  }
  break;
case 844:
#line 5469 "cs-parser.jay"
  {
		current_block.SetEndLocation (lexer.Location);
		current_block = current_block.Parent;
	  
		yyVal = yyVals[0+yyTop];
	  }
  break;
case 846:
#line 5480 "cs-parser.jay"
  {
		current_block.SetEndLocation (lexer.Location);
		current_block = current_block.Parent;
	  
		current_block = new Linq.QueryBlock (current_block, lexer.Location);
	  }
  break;
case 847:
#line 5487 "cs-parser.jay"
  {
		((Linq.AQueryClause)yyVals[-3+yyTop]).Next = (Linq.AQueryClause)yyVals[0+yyTop];
		yyVal = yyVals[-3+yyTop];
	  }
  break;
case 849:
#line 5496 "cs-parser.jay"
  {
		current_block.SetEndLocation (lexer.Location);
		current_block = current_block.Parent;
	  
		current_block = new Linq.QueryBlock (current_block, lexer.Location);	 
	 }
  break;
case 850:
#line 5503 "cs-parser.jay"
  {
		((Linq.AQueryClause)yyVals[-3+yyTop]).Tail.Next = (Linq.AQueryClause)yyVals[-1+yyTop];
		yyVal = yyVals[-3+yyTop];
	 }
  break;
case 851:
#line 5511 "cs-parser.jay"
  {
		yyVal = new Linq.OrderByAscending (current_block.Toplevel, (Expression)yyVals[0+yyTop]);	
	  }
  break;
case 852:
#line 5515 "cs-parser.jay"
  {
		yyVal = new Linq.OrderByAscending (current_block.Toplevel, (Expression)yyVals[-1+yyTop]);	
	  }
  break;
case 853:
#line 5519 "cs-parser.jay"
  {
		yyVal = new Linq.OrderByDescending (current_block.Toplevel, (Expression)yyVals[-1+yyTop]);	
	  }
  break;
case 854:
#line 5526 "cs-parser.jay"
  {
		yyVal = new Linq.ThenByAscending (current_block.Toplevel, (Expression)yyVals[0+yyTop]);	
	  }
  break;
case 855:
#line 5530 "cs-parser.jay"
  {
		yyVal = new Linq.ThenByAscending (current_block.Toplevel, (Expression)yyVals[-1+yyTop]);	
	  }
  break;
case 856:
#line 5534 "cs-parser.jay"
  {
		yyVal = new Linq.ThenByDescending (current_block.Toplevel, (Expression)yyVals[-1+yyTop]);	
	  }
  break;
case 858:
#line 5543 "cs-parser.jay"
  {
		/* query continuation block is not linked with query block but with block*/
		/* before. This means each query can use same range variable names for*/
		/* different identifiers.*/

		current_block.SetEndLocation (GetLocation (yyVals[-1+yyTop]));
		current_block = current_block.Parent;
		
		current_block = new Linq.QueryBlock (current_block, (LocatedToken) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
	  }
  break;
case 859:
#line 5554 "cs-parser.jay"
  {
  		yyVal = new Linq.QueryExpression (current_block, (Linq.AQueryClause)yyVals[0+yyTop]);
	  }
  break;
case 862:
#line 5575 "cs-parser.jay"
  { 
	        Evaluator.LoadAliases (current_namespace);

		push_current_class (new Class (current_namespace, current_class, new MemberName ("Class" + class_count++),
			Modifiers.PUBLIC, null), null);

		ArrayList baseclass_list = new ArrayList ();
		baseclass_list.Add (new TypeExpression (Evaluator.InteractiveBaseClass, lexer.Location));
		current_container.AddBasesForPart (current_class, baseclass_list);

		/* (ref object retval)*/
		Parameter [] mpar = new Parameter [1];
		mpar [0] = new Parameter (TypeManager.system_object_expr, "$retval", Parameter.Modifier.REF, null, Location.Null);

		Parameters pars = new Parameters (mpar);
		current_local_parameters = pars;
		Method method = new Method (
			current_class,
			null, /* generic*/
			TypeManager.system_void_expr,
			Modifiers.PUBLIC | Modifiers.STATIC,
			new MemberName ("Host"),
			pars,
			null /* attributes */);

		oob_stack.Push (method);
	        ++lexer.parsing_block;
		start_block (lexer.Location);
	  }
  break;
case 863:
#line 5605 "cs-parser.jay"
  {
		--lexer.parsing_block;
		Method method = (Method) oob_stack.Pop ();

		method.Block = (ToplevelBlock) end_block(lexer.Location);
		current_container.AddMethod (method);

		--lexer.parsing_declaration;
		InteractiveResult = pop_current_class ();
		current_local_parameters = null;
	  }
  break;
case 864:
#line 5616 "cs-parser.jay"
  {
	        Evaluator.LoadAliases (current_namespace);
	  }
  break;
#line default
        }
        yyTop -= yyLen[yyN];
        yyState = yyStates[yyTop];
        int yyM = yyLhs[yyN];
        if (yyState == 0 && yyM == 0) {
//t          if (debug != null) debug.shift(0, yyFinal);
          yyState = yyFinal;
          if (yyToken < 0) {
            yyToken = yyLex.advance() ? yyLex.token() : 0;
//t            if (debug != null)
//t               debug.lex(yyState, yyToken,yyname(yyToken), yyLex.value());
          }
          if (yyToken == 0) {
//t            if (debug != null) debug.accept(yyVal);
            return yyVal;
          }
          goto continue_yyLoop;
        }
        if (((yyN = yyGindex[yyM]) != 0) && ((yyN += yyState) >= 0)
            && (yyN < yyTable.Length) && (yyCheck[yyN] == yyState))
          yyState = yyTable[yyN];
        else
          yyState = yyDgoto[yyM];
//t        if (debug != null) debug.shift(yyStates[yyTop], yyState);
	 goto continue_yyLoop;
      continue_yyDiscarded: continue;	// implements the named-loop continue: 'continue yyDiscarded'
      }
    continue_yyLoop: continue;		// implements the named-loop continue: 'continue yyLoop'
    }