C# New.Emit方法代碼示例

		//
		// Initializes all hoisted variables
		//
		public void EmitStoreyInstantiation (EmitContext ec)
		{
			// There can be only one instance variable for each storey type
			if (Instance != null)
				throw new InternalErrorException ();

			SymbolWriter.OpenCompilerGeneratedBlock (ec.ig);

			//
			// Create an instance of storey type
			//
			Expression storey_type_expr;
			if (is_generic) {
				//
				// Use current method type parameter (MVAR) for top level storey only. All
				// nested storeys use class type parameter (VAR)
				//
				TypeParameter[] tparams = ec.CurrentAnonymousMethod != null && ec.CurrentAnonymousMethod.Storey != null ?
					ec.CurrentAnonymousMethod.Storey.TypeParameters :
					ec.CurrentTypeParameters;

				TypeArguments targs = new TypeArguments ();

				if (tparams.Length < CountTypeParameters) {
					TypeParameter[] parent_tparams = ec.MemberContext.CurrentTypeDefinition.TypeParameters;
					for (int i = 0; i < parent_tparams.Length; ++i)
						targs.Add (new TypeParameterExpr (parent_tparams[i], Location));
				}
				
				for (int i = 0; i < tparams.Length; ++i)
					targs.Add (new TypeParameterExpr (tparams[i], Location));

				storey_type_expr = new GenericTypeExpr (TypeBuilder, targs, Location);
			} else {
				storey_type_expr = new TypeExpression (TypeBuilder, Location);
			}

			ResolveContext rc = new ResolveContext (this);
			Expression e = new New (storey_type_expr, null, Location).Resolve (rc);
			e.Emit (ec);

			Instance = new LocalTemporary (storey_type_expr.Type);
			Instance.Store (ec);

			EmitHoistedFieldsInitialization (ec);

			SymbolWriter.DefineScopeVariable (ID, Instance.Builder);
			SymbolWriter.CloseCompilerGeneratedBlock (ec.ig);
		}

		//
		// Initializes all hoisted variables
		//
		public void EmitStoreyInstantiation (EmitContext ec)
		{
			// There can be only one instance variable for each storey type
			if (Instance != null)
				throw new InternalErrorException ();

			SymbolWriter.OpenCompilerGeneratedBlock (ec);

			//
			// Create an instance of a storey
			//
			var storey_type_expr = CreateStoreyTypeExpression (ec);

			ResolveContext rc = new ResolveContext (ec.MemberContext);
			Expression e = new New (storey_type_expr, null, Location).Resolve (rc);
			e.Emit (ec);

			Instance = new LocalTemporary (storey_type_expr.Type);
			Instance.Store (ec);

			EmitHoistedFieldsInitialization (ec);

			SymbolWriter.DefineScopeVariable (ID, Instance.Builder);
			SymbolWriter.CloseCompilerGeneratedBlock (ec);
		}

		public void EmitNew (EmitContext ec, New source, bool leave_copy)
		{
			if (!source.Emit (ec, this)) {
				if (leave_copy)
					throw new NotImplementedException ();

				return;
			}

			throw new NotImplementedException ();
		}