void case_769()
#line 4888 "C:\Projects\Junk\mono\mcs\class\Mono.CSharp\..\..\mcs\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);
	  }

			public override bool Resolve (BlockContext ec)
			{
				Block variables_block = variable.local_info.Block;
				copy = TemporaryVariableReference.Create (for_each.expr.Type, variables_block, loc);
				copy.Resolve (ec);

				int rank = length_exprs.Length;
				Arguments list = new Arguments (rank);
				for (int i = 0; i < rank; i++) {
					var v = TemporaryVariableReference.Create (TypeManager.int32_type, variables_block, loc);
					variables[i] = v;
					counter[i] = new StatementExpression (new UnaryMutator (UnaryMutator.Mode.PostIncrement, v, loc));
					counter[i].Resolve (ec);

					if (rank == 1) {
						length_exprs [i] = new MemberAccess (copy, "Length").Resolve (ec);
					} else {
						lengths[i] = TemporaryVariableReference.Create (TypeManager.int32_type, variables_block, loc);
						lengths[i].Resolve (ec);

						Arguments args = new Arguments (1);
						args.Add (new Argument (new IntConstant (i, loc)));
						length_exprs [i] = new Invocation (new MemberAccess (copy, "GetLength"), args).Resolve (ec);
					}

					list.Add (new Argument (v));
				}

				access = new ElementAccess (copy, list, loc).Resolve (ec);
				if (access == null)
					return false;

				Expression var_type = for_each.type;
				VarExpr ve = var_type as VarExpr;
				if (ve != null) {
					// Infer implicitly typed local variable from foreach array type
					var_type = new TypeExpression (access.Type, ve.Location);
				}

				var_type = var_type.ResolveAsTypeTerminal (ec, false);
				if (var_type == null)
					return false;

				conv = Convert.ExplicitConversion (ec, access, var_type.Type, loc);
				if (conv == null)
					return false;

				bool ok = true;

				ec.StartFlowBranching (FlowBranching.BranchingType.Loop, loc);
				ec.CurrentBranching.CreateSibling ();

				variable.local_info.Type = conv.Type;
				variable.Resolve (ec);

				ec.StartFlowBranching (FlowBranching.BranchingType.Embedded, loc);
				if (!statement.Resolve (ec))
					ok = false;
				ec.EndFlowBranching ();

				// There's no direct control flow from the end of the embedded statement to the end of the loop
				ec.CurrentBranching.CurrentUsageVector.Goto ();

				ec.EndFlowBranching ();

				return ok;
			}

			public override object Visit(StatementExpression statementExpression)
			{
				var result = new ExpressionStatement();
				var expr = statementExpression.Expr.Accept(this) as Expression;
				if (expr != null)
					result.AddChild(expr, Roles.Expression);
				var location = LocationsBag.GetLocations(statementExpression);
				if (location != null)
					result.AddChild(new CSharpTokenNode(Convert(location [0]), Roles.Semicolon), Roles.Semicolon);
				return result;
			}

			public override object Visit (StatementExpression statementExpression)
			{
				var result = new MonoDevelop.CSharp.Dom.ExpressionStatement ();
				result.AddChild ((INode)statementExpression.Expr.Accept (this), MonoDevelop.CSharp.Dom.ExpressionStatement.Roles.Expression);
				var location = LocationsBag.GetLocations (statementExpression);
				if (location != null)
					result.AddChild (new CSharpTokenNode (Convert (location[0]), 1), MonoDevelop.CSharp.Dom.ExpressionStatement.Roles.Semicolon);
				return result;
			}

void case_831()
#line 5564 "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);
	  }

		//
		// Creates a proxy base method call inside this container for hoisted base member calls
		//
		public MethodSpec CreateHoistedBaseCallProxy (ResolveContext rc, MethodSpec method)
		{
			Method proxy_method;

			//
			// One proxy per base method is enough
			//
			if (hoisted_base_call_proxies == null) {
				hoisted_base_call_proxies = new Dictionary<MethodSpec, Method> ();
				proxy_method = null;
			} else {
				hoisted_base_call_proxies.TryGetValue (method, out proxy_method);
			}

			if (proxy_method == null) {
				string name = CompilerGeneratedClass.MakeName (method.Name, null, "BaseCallProxy", hoisted_base_call_proxies.Count);
				var base_parameters = new Parameter[method.Parameters.Count];
				for (int i = 0; i < base_parameters.Length; ++i) {
					var base_param = method.Parameters.FixedParameters[i];
					base_parameters[i] = new Parameter (new TypeExpression (method.Parameters.Types[i], Location),
						base_param.Name, base_param.ModFlags, null, Location);
					base_parameters[i].Resolve (this, i);
				}

				var cloned_params = ParametersCompiled.CreateFullyResolved (base_parameters, method.Parameters.Types);
				if (method.Parameters.HasArglist) {
					cloned_params.FixedParameters[0] = new Parameter (null, "__arglist", Parameter.Modifier.NONE, null, Location);
					cloned_params.Types[0] = Module.PredefinedTypes.RuntimeArgumentHandle.Resolve (Location);
				}

				GenericMethod generic_method;
				MemberName member_name;
				if (method.IsGeneric) {
					//
					// Copy all base generic method type parameters info
					//
					var hoisted_tparams = method.GenericDefinition.TypeParameters;
					var targs = new TypeArguments ();
					var type_params = new TypeParameter[hoisted_tparams.Length];
					for (int i = 0; i < type_params.Length; ++i) {
						var tp = hoisted_tparams[i];
						targs.Add (new TypeParameterName (tp.Name, null, Location));
						type_params[i] = new TypeParameter (tp, this, null, new MemberName (tp.Name), null);
					}

					member_name = new MemberName (name, targs, Location);
					generic_method = new GenericMethod (NamespaceEntry, this, member_name, type_params,
						new TypeExpression (method.ReturnType, Location), cloned_params);
				} else {
					member_name = new MemberName (name);
					generic_method = null;
				}

				// Compiler generated proxy
				proxy_method = new Method (this, generic_method, new TypeExpression (method.ReturnType, Location),
					Modifiers.PRIVATE | Modifiers.COMPILER_GENERATED | Modifiers.DEBUGGER_HIDDEN,
					member_name, cloned_params, null);

				var block = new ToplevelBlock (Compiler, proxy_method.ParameterInfo, Location);

				var mg = MethodGroupExpr.CreatePredefined (method, method.DeclaringType, Location);
				mg.InstanceExpression = new BaseThis (method.DeclaringType, Location);

				// Get all the method parameters and pass them as arguments
				var real_base_call = new Invocation (mg, block.GetAllParametersArguments ());
				Statement statement;
				if (method.ReturnType == TypeManager.void_type)
					statement = new StatementExpression (real_base_call);
				else
					statement = new Return (real_base_call, Location);

				block.AddStatement (statement);
				proxy_method.Block = block;

				methods.Add (proxy_method);
				proxy_method.Define ();

				hoisted_base_call_proxies.Add (method, proxy_method);
			}

			return proxy_method.Spec;
		}

		protected void EmitCallWithInvoke (EmitContext ec, Expression binder, Arguments arguments, bool isStatement)
		{
			var module = ec.Module;

			var site_container = ec.CreateDynamicSite ();

			BlockContext bc = new BlockContext (ec.MemberContext, null, ec.BuiltinTypes.Void);

			FieldExpr site_field_expr = null;
			StatementExpression s = null;

			// create call site
			var call_site = binder;
			if (call_site != null) {
				// resolve call site
				call_site = call_site.Resolve(bc);

				// create field for call site
				var site_type_decl = call_site.Type;  
				var field = site_container.CreateCallSiteField (new TypeExpression(site_type_decl, loc), loc);
				if (field == null) {
					throw new InvalidOperationException("Could not create call site field");
				}

				// ???
				bool inflate_using_mvar = context_mvars != null && ec.IsAnonymousStoreyMutateRequired;

				// ???
				TypeSpec gt;
				if (inflate_using_mvar || context_mvars == null) {
					gt = site_container.CurrentType;
				} else {
					gt = site_container.CurrentType.MakeGenericType (module, context_mvars.Types);
				}

				// When site container already exists the inflated version has to be
				// updated manually to contain newly created field
				if (gt is InflatedTypeSpec && site_container.AnonymousMethodsCounter > 1) {
					var tparams = gt.MemberDefinition.TypeParametersCount > 0 ? gt.MemberDefinition.TypeParameters : TypeParameterSpec.EmptyTypes;
					var inflator = new TypeParameterInflator (module, gt, tparams, gt.TypeArguments);
					gt.MemberCache.AddMember (field.InflateMember (inflator));
				}

				site_field_expr = new FieldExpr (MemberCache.GetMember (gt, field), loc);

				s = new StatementExpression (new SimpleAssign (site_field_expr, call_site));
			}



			using (ec.With (BuilderContext.Options.OmitDebugInfo, true)) {
				if (s!= null && s.Resolve (bc)) {
					Statement init = new If (new Binary (Binary.Operator.Equality, site_field_expr, new NullLiteral (loc)), s, loc);
					init.Emit (ec);
				}

				// remove dynamics from argument list
				arguments.CastDynamicArgs(bc);

				IDynamicCallSite dynamicCallSite = (IDynamicCallSite)this.binder;
				Expression target = dynamicCallSite.InvokeCallSite(bc, site_field_expr, arguments, type, isStatement);
				if (target != null) 
					target = target.Resolve(bc);

				if (target != null)
				{
					var statement = target as ExpressionStatement;
					if (isStatement && statement != null)
					{
						statement.EmitStatement(ec);
					}
					else
					{
						if (!isStatement && (target.Type != type)) {
							// PlayScript: If doing an invoke, we have to cast the return type to the type expected by the expression..
							target = new Cast(new TypeExpression(type, loc), target, loc).Resolve (bc);
						} 

						target.Emit(ec);
					}
				}
			}

		}

void case_831()
#line 5561 "cs-parser.jay"
{
		Expression expr = (Expression) yyVals[0+yyTop];
		yyVal = new StatementExpression (new OptionalAssign (expr, lexer.Location));
	  }

void case_779()
{
		Expression expr = (Expression) yyVals[0+yyTop];
		ExpressionStatement s;

	        s = new OptionalAssign (new SimpleName ("$retval", lexer.Location), expr, lexer.Location);
		yyVal = new StatementExpression (s);
	  }

void case_778()
#line 4981 "cs-parser.jay"
{
		ExpressionStatement s = yyVals[0+yyTop] as ExpressionStatement;
		if (s == null) {
			Expression.Error_InvalidExpressionStatement (report, GetLocation (yyVals[0+yyTop]));
			yyVal = new StatementExpression (EmptyExpressionStatement.Instance);
		} else {
			yyVal = new StatementExpression (s);
		}
	  }

void case_778()
{
		ExpressionStatement s = yyVals[0+yyTop] as ExpressionStatement;
		if (s == null) {
			Expression.Error_InvalidExpressionStatement (report, GetLocation (yyVals[0+yyTop]));
			yyVal = new StatementErrorExpression (yyVals[0+yyTop] as Expression);
		} else {
			yyVal = new StatementExpression (s);
		}
	  }

//.........这里部分代码省略.........
				                          .Select(t =>(Expression)(t.Type != null 
										                             ? new TypeOf(t.Type,location) 
																	 : new TypeOf(t,location))
									  ).ToList();
				var initializer = new ArrayInitializer(types,location);
                var parameterTypes = new ImplicitlyTypedArrayCreation (
				                           new ComposedTypeSpecifier (1, location), 
										   initializer, 
										   location);
		        lbag.AddLocation (parameterTypes, location, location);
				
                argumentsForGetMethod.Add(new Argument(parameterTypes));
                var getMethodExpression = new Invocation(new MemberAccess(getTypeExpression,"GetMethod"),argumentsForGetMethod);
                var argumentsForMethod = new Arguments(2);

                var delegatedArguments = parameters.Skip(2).Select(p =>
                         (Expression)new Cast(
                                  new TypeExpression(compiler.BuiltinTypes.Object,location),
                                  new SimpleName(p.Name,location),
                                  location)).ToList();
		        argumentsForMethod.Add(new Argument(new SimpleName("self", null, location)));
                if(delegatedArguments.Any()){
				      initializer = new ArrayInitializer(delegatedArguments,location);
				
				      argumentsForMethod.Add(new Argument(new ImplicitlyTypedArrayCreation(
				                           new ComposedTypeSpecifier (1, location), 
										   initializer, 
										   location)));
                } else {
				   argumentsForMethod.Add(new Argument(new ArrayCreation(new TypeExpression(compiler.BuiltinTypes.Object,location),new ArrayInitializer(0,location)))); 
				}    

                var invocation = new Invocation(new MemberAccess(getMethodExpression,"Invoke"),argumentsForMethod);
				Statement statement = new StatementExpression(invocation);
				var retType = (returnType as TypeExpression);
                if(retType != null && retType.Type.Name != "Void"){
				    var cast = new Cast(returnType,invocation,location);
                    statement = new Return(cast,location);
                }
			    
				dummy.Block = new ToplevelBlock (compiler, parametersCompiled, GetLocation(yyVals[-9+yyTop]));
				/*var exceptionExpression = new New(new MemberName("InvalidOperationException",GetLocation($1)).GetTypeExpression(),new Arguments(0),GetLocation($1));*/
				dummy.Block.AddStatement( statement);
				lbag.AddMember(dummy,mod_locations, GetLocation (yyVals[-5+yyTop]), GetLocation (yyVals[-2+yyTop]));
				((Class)current_extensionContainer).AddMethod(dummy);
			}
		}		     
		if (doc_support)
			method.DocComment = Lexer.consume_doc_comment ();

		lbag.AddMember (method, mod_locations, GetLocation (yyVals[-5+yyTop]), GetLocation (yyVals[-2+yyTop]));
		yyVal = method;
	  }
  break;
case 176:
#line 1666 "D:\GitHub\M\Marvin\mcs\cs-parser.jay"
  {
		lexer.parsing_generic_declaration = true;
	  }
  break;
case 177:
#line 1671 "D:\GitHub\M\Marvin\mcs\cs-parser.jay"
  {
		lexer.parsing_generic_declaration = false;
	  	valid_param_mod = ParameterModifierType.All;
	  }

void case_827()
#line 5524 "cs-parser.jay"
{
		ExpressionStatement s = yyVals[0+yyTop] as ExpressionStatement;
		if (s == null) {
			var expr = yyVals[0+yyTop] as Expression;
			expr.Error_InvalidExpressionStatement (report);
			yyVal = new StatementErrorExpression (expr);
		} else {
			yyVal = new StatementExpression (s);
		}
	  }

				protected override Statement CreateDisposeCall (BlockContext bc, LocalVariable lv)
				{
					if (TypeManager.void_dispose_void == null) {
						TypeManager.void_dispose_void = TypeManager.GetPredefinedMethod (
							TypeManager.idisposable_type, "Dispose", loc, TypeSpec.EmptyTypes);
					}

					//
					// Fabricates code like
					//
					// if ((temp = vr as IDisposable) != null) temp.Dispose ();
					//

					var dispose_variable = LocalVariable.CreateCompilerGenerated (TypeManager.idisposable_type, bc.CurrentBlock, loc);

					var idisaposable_test = new Binary (Binary.Operator.Inequality, new CompilerAssign (
						dispose_variable.CreateReferenceExpression (bc, loc),
						new As (lv.CreateReferenceExpression (bc, loc), new TypeExpression (dispose_variable.Type, loc), loc),
						loc), new NullLiteral (loc), loc);

					var dispose_mg = MethodGroupExpr.CreatePredefined (TypeManager.void_dispose_void, TypeManager.idisposable_type, loc);
					dispose_mg.InstanceExpression = dispose_variable.CreateReferenceExpression (bc, loc);

					Statement dispose = new StatementExpression (new Invocation (dispose_mg, null));
					return new If (idisaposable_test, dispose, loc);
				}

		public Expression CreateExpressionTree (EmitContext ec, Location loc)
		{
			ArrayList initializers = new ArrayList (Count);
			foreach (Parameter p in FixedParameters) {
				//
				// Each parameter expression is stored to local variable
				// to save some memory when referenced later.
				//
				StatementExpression se = new StatementExpression (p.CreateExpressionTreeVariable (ec));
				if (se.Resolve (ec))
					ec.CurrentBlock.AddScopeStatement (se);
				
				initializers.Add (p.ExpressionTreeVariableReference ());
			}

			return new ArrayCreation (
				Parameter.ResolveParameterExpressionType (ec, loc),
				"[]", initializers, loc);
		}

		public virtual object Visit (StatementExpression statementExpression)
		{
			return null;
		}

void case_768()
#line 4895 "cs-parser.jay"
{
		ExpressionStatement s = yyVals[0+yyTop] as ExpressionStatement;
		if (s == null) {
			Expression.Error_InvalidExpressionStatement (Report, GetLocation (yyVals[0+yyTop]));
			s = EmptyExpressionStatement.Instance;
		}

		yyVal = new StatementExpression (s);
	  }

void case_830()
#line 5551 "cs-parser.jay"
{
		ExpressionStatement s = yyVals[0+yyTop] as ExpressionStatement;
		if (s == null) {
			var expr = yyVals[0+yyTop] as Expression;
			yyVal = new StatementErrorExpression (expr);
		} else {
			yyVal = new StatementExpression (s);
		}
	  }

				public void ResolveIncrement (BlockContext ec)
				{
					increment = new StatementExpression (new UnaryMutator (UnaryMutator.Mode.PostIncrement, this, loc));
					increment.Resolve (ec);
				}

//.........这里部分代码省略.........
				}
			} else {
				d = null;
			}

			var site_type_decl = new GenericTypeExpr (module.PredefinedTypes.CallSiteGeneric.TypeSpec, new TypeArguments (del_type), loc);
			var field = site_container.CreateCallSiteField (site_type_decl, loc);
			if (field == null)
				return;

			if (del_type_instance_access == null) {
				var dt = d.CurrentType.DeclaringType.MakeGenericType (module, context_mvars.Types);
				del_type_instance_access = new TypeExpression (MemberCache.GetMember (dt, d.CurrentType), loc);
			}

			var instanceAccessExprType = new GenericTypeExpr (module.PredefinedTypes.CallSiteGeneric.TypeSpec,
				new TypeArguments (del_type_instance_access), loc);

			if (instanceAccessExprType.ResolveAsType (ec.MemberContext) == null)
				return;

			bool inflate_using_mvar = context_mvars != null && ec.IsAnonymousStoreyMutateRequired;

			TypeSpec gt;
			if (inflate_using_mvar || context_mvars == null) {
				gt = site_container.CurrentType;
			} else {
				gt = site_container.CurrentType.MakeGenericType (module, context_mvars.Types);
			}

			// When site container already exists the inflated version has to be
			// updated manually to contain newly created field
			if (gt is InflatedTypeSpec && site_container.AnonymousMethodsCounter > 1) {
				var tparams = gt.MemberDefinition.TypeParametersCount > 0 ? gt.MemberDefinition.TypeParameters : TypeParameterSpec.EmptyTypes;
				var inflator = new TypeParameterInflator (module, gt, tparams, gt.TypeArguments);
				gt.MemberCache.AddMember (field.InflateMember (inflator));
			}

			FieldExpr site_field_expr = new FieldExpr (MemberCache.GetMember (gt, field), loc);

			BlockContext bc = new BlockContext (ec.MemberContext, null, ec.BuiltinTypes.Void);

			Arguments args = new Arguments (1);
			args.Add (new Argument (binder));
			StatementExpression s = new StatementExpression (new SimpleAssign (site_field_expr, new Invocation (new MemberAccess (instanceAccessExprType, "Create"), args)));

			using (ec.With (BuilderContext.Options.OmitDebugInfo, true)) {

				var conditionalAccessReceiver = IsConditionalAccessReceiver;
				var ca = ec.ConditionalAccess;

				if (conditionalAccessReceiver) {
					ec.ConditionalAccess = new ConditionalAccessContext (type, ec.DefineLabel ()) {
						Statement = isStatement
					};

					//
					// Emit conditional access expressions before dynamic call
					// is initialized. It pushes site_field_expr on stack before
					// the actual instance argument is emited which would cause
					// jump from non-empty stack.
					//
					EmitConditionalAccess (ec);
				}

				if (s.Resolve (bc)) {
					Statement init = new If (new Binary (Binary.Operator.Equality, site_field_expr, new NullLiteral (loc)), s, loc);
					init.Emit (ec);
				}

				args = new Arguments (1 + dyn_args_count);
				args.Add (new Argument (site_field_expr));
				if (arguments != null) {
					int arg_pos = 1;
					foreach (Argument a in arguments) {
						if (a is NamedArgument) {
							// Name is not valid in this context
							args.Add (new Argument (a.Expr, a.ArgType));
						} else {
							args.Add (a);
						}

						if (inflate_using_mvar && a.Type != targs[arg_pos].Type)
							a.Expr.Type = targs[arg_pos].Type;

						++arg_pos;
					}
				}

				var target = new DelegateInvocation (new MemberAccess (site_field_expr, "Target", loc).Resolve (bc), args, false, loc).Resolve (bc);
				if (target != null) {
					target.Emit (ec);
				}

				if (conditionalAccessReceiver) {
					ec.CloseConditionalAccess (!isStatement && type.IsNullableType ? type : null);
					ec.ConditionalAccess = ca;
				}
			}
		}