C# OperatorDeclaration.AddChild方法代码示例

			public override void Visit (Operator o)
			{
				OperatorDeclaration newOperator = new OperatorDeclaration ();
				newOperator.OperatorType = (OperatorType)o.OperatorType;
				
				var location = LocationsBag.GetMemberLocation (o);
				
				AddModifiers (newOperator, location);
				
				newOperator.AddChild ((INode)o.TypeName.Accept (this), AbstractNode.Roles.ReturnType);
				
				if (o.OperatorType == Operator.OpType.Implicit) {
					if (location != null) {
						newOperator.AddChild (new CSharpTokenNode (Convert (location[0]), "implicit".Length), OperatorDeclaration.OperatorTypeRole);
						newOperator.AddChild (new CSharpTokenNode (Convert (location[1]), "operator".Length), OperatorDeclaration.OperatorKeywordRole);
					}
				} else if (o.OperatorType == Operator.OpType.Explicit) {
					if (location != null) {
						newOperator.AddChild (new CSharpTokenNode (Convert (location[0]), "explicit".Length), OperatorDeclaration.OperatorTypeRole);
						newOperator.AddChild (new CSharpTokenNode (Convert (location[1]), "operator".Length), OperatorDeclaration.OperatorKeywordRole);
					}
				} else {
					if (location != null)
						newOperator.AddChild (new CSharpTokenNode (Convert (location[0]), "operator".Length), OperatorDeclaration.OperatorKeywordRole);
					
					int opLength = 1;
					switch (newOperator.OperatorType) {
					case OperatorType.LeftShift:
					case OperatorType.RightShift:
					case OperatorType.LessThanOrEqual:
					case OperatorType.GreaterThanOrEqual:
					case OperatorType.Equality:
					case OperatorType.Inequality:
//					case OperatorType.LogicalAnd:
//					case OperatorType.LogicalOr:
						opLength = 2;
						break;
					case OperatorType.True:
						opLength = "true".Length;
						break;
					case OperatorType.False:
						opLength = "false".Length;
						break;
					}
					if (location != null)
						newOperator.AddChild (new CSharpTokenNode (Convert (location[1]), opLength), OperatorDeclaration.OperatorTypeRole);
				}
				if (location != null)
					newOperator.AddChild (new CSharpTokenNode (Convert (location[2]), 1), OperatorDeclaration.Roles.LPar);
				AddParameter (newOperator, o.ParameterInfo);
				if (location != null)
					newOperator.AddChild (new CSharpTokenNode (Convert (location[3]), 1), OperatorDeclaration.Roles.RPar);
				
				if (o.Block != null)
					newOperator.AddChild ((INode)o.Block.Accept (this), OperatorDeclaration.Roles.Body);
				
				typeStack.Peek ().AddChild (newOperator, TypeDeclaration.Roles.Member);
			}

        // IMPORTANT NOTE:
        // The grammar consists of a few LALR(1) conflicts. These issues are, however, correctly handled, due to the fact that the grammar 
        // is defined in a specific order making the already added parser actions have precedence over the other.
        //
        // Known conflicts that are correctly handled:
        //
        // - ELSE:          Shift/Reduce conflict Dangling ELSE problem.  Lots of articles are around on the internet. 
        //                  The shift action is taken here.
        //
        // - CLOSE_PARENS:  Shift/Reduce conflict. This is due to the fact that the explicit cast expression is like the parenthesized 
        //                  expression. The shift action is taken here.
        //
        // - STAR:          Reduce/Reduce conflict, between VariableType -> TypeNameExpression and PrimaryExpression -> TypeNameExpression, 
        //                  due to the fact variable types can have '*', and look therefore like a binary operator expression. 
        //                  The first reduce action is taken here.

        public CSharpGrammar()
        {
            // Please let me know if there is a better way of tidying this :s

            TokenMapping.Add((int)ERROR, Error);

            #region Definitions to use later

            var statementList = new GrammarDefinition("StatementList");
            var statementListOptional = new GrammarDefinition("StatementListOptional",
                rule: null
                      | statementList);

            var blockStatement = new GrammarDefinition("BlockStatement");

            var variableDeclarator = new GrammarDefinition("VariableDeclarator");
            var variableDeclaratorList = new GrammarDefinition("VariableDeclaratorList");
            variableDeclaratorList.Rule = variableDeclarator
                                          | variableDeclaratorList
                                          + ToElement(COMMA)
                                          + variableDeclarator;
            var variableDeclaration = new GrammarDefinition("VariableDeclaration");
            var variableInitializer = new GrammarDefinition("VariableInitializer");
            var arrayInitializer = new GrammarDefinition("ArrayInitializer");
            var arrayInitializerOptional = new GrammarDefinition("ArrayInitializerOptional",
                rule: null | arrayInitializer);
            var identifierInsideBody = new GrammarDefinition("IdentifierInsideBody",
                rule: ToElement(IDENTIFIER),
                createNode: node => ToIdentifier(node.Children[0].Result));
            var identifierInsideBodyOptional = new GrammarDefinition("IdentifierInsideBodyOptional",
                rule: null | identifierInsideBody);

            variableDeclarator.Rule = identifierInsideBody
                                      | identifierInsideBody
                                      + ToElement(EQUALS)
                                      + variableInitializer;
            variableDeclarator.ComputeResult = node =>
            {
                var result = new VariableDeclarator((Identifier) node.Children[0].Result);
                if (node.Children.Count > 1)
                {
                    result.OperatorToken = (AstToken) node.Children[1].Result;
                    result.Value = (Expression) node.Children[2].Result;
                }
                return result;
            };

            var typeReference = new GrammarDefinition("TypeReference");

            var identifierExpression = new GrammarDefinition("IdentifierExpression",
                rule: identifierInsideBody,
                createNode: node => new IdentifierExpression((Identifier) node.Children[0].Result));

            var usingDirectiveListOptional = new GrammarDefinition("UsingDirectiveListOptional");

            #endregion

            #region Type References

            var namespaceOrTypeExpression = new GrammarDefinition("NamespaceOrTypeExpression");

            namespaceOrTypeExpression.Rule = identifierExpression |
                                             namespaceOrTypeExpression
                                             + ToElement(DOT)
                                             + ToElement(IDENTIFIER);

            namespaceOrTypeExpression.ComputeResult = node =>
            {
                if (node.Children.Count == 1)
                    return ToTypeReference((IConvertibleToType) node.Children[0].Result);
                var result = new MemberTypeReference();
                result.Target = (TypeReference) node.Children[0].Result;
                result.AddChild(AstNodeTitles.Accessor, node.Children[1].Result);
                result.Identifier = ToIdentifier(node.Children[2].Result);
                return result;
            };

            ComputeResultDelegate createPrimitiveTypeExpression = node =>
            {
                if (node.Children[0].Result is PrimitiveTypeReference)
                    return node.Children[0].Result;
                return new PrimitiveTypeReference
                {
                    Identifier = ToIdentifier(node.Children[0].Result),
//.........这里部分代码省略.........

			public override void Visit(Operator o)
			{
				var newOperator = new OperatorDeclaration();
				newOperator.OperatorType = (OperatorType)o.OperatorType;
				
				var location = LocationsBag.GetMemberLocation(o);
				AddAttributeSection(newOperator, o);
				AddModifiers(newOperator, location);
				
				
				if (o.OperatorType == Operator.OpType.Implicit) {
					if (location != null && location.Count > 0) {
						newOperator.AddChild(new CSharpTokenNode(Convert(location [0]), OperatorDeclaration.ImplicitRole), OperatorDeclaration.ImplicitRole);
						if (location.Count > 1)
							newOperator.AddChild(new CSharpTokenNode(Convert(location [1]), OperatorDeclaration.OperatorKeywordRole), OperatorDeclaration.OperatorKeywordRole);
					}
					newOperator.AddChild(ConvertToType(o.TypeExpression), Roles.Type);
				} else if (o.OperatorType == Operator.OpType.Explicit) {
					if (location != null && location.Count > 0) {
						newOperator.AddChild(new CSharpTokenNode(Convert(location [0]), OperatorDeclaration.ExplicitRole), OperatorDeclaration.ExplicitRole);
						if (location.Count > 1)
							newOperator.AddChild(new CSharpTokenNode(Convert(location [1]), OperatorDeclaration.OperatorKeywordRole), OperatorDeclaration.OperatorKeywordRole);
					}
					newOperator.AddChild(ConvertToType(o.TypeExpression), Roles.Type);
				} else {
					newOperator.AddChild(ConvertToType(o.TypeExpression), Roles.Type);

					if (location != null && location.Count > 0)
						newOperator.AddChild(new CSharpTokenNode(Convert(location [0]), OperatorDeclaration.OperatorKeywordRole), OperatorDeclaration.OperatorKeywordRole);
					
					if (location != null && location.Count > 1) {
						var r = OperatorDeclaration.GetRole(newOperator.OperatorType);
						newOperator.AddChild(new CSharpTokenNode(Convert(location [1]), r), r);
					}
				}
				if (location != null && location.Count > 2)
					newOperator.AddChild(new CSharpTokenNode(Convert(location [2]), Roles.LPar), Roles.LPar);
				AddParameter(newOperator, o.ParameterInfo);
				if (location != null && location.Count > 3)
					newOperator.AddChild(new CSharpTokenNode(Convert(location [3]), Roles.RPar), Roles.RPar);
				
				if (o.Block != null) {
					newOperator.AddChild((BlockStatement)o.Block.Accept(this), Roles.Body);
				} else {
					if (location != null && location.Count >= 5)
						newOperator.AddChild(new CSharpTokenNode(Convert(location [4]), Roles.Semicolon), Roles.Semicolon);
				}
				typeStack.Peek().AddChild(newOperator, Roles.TypeMemberRole);
			}

			public override void Visit (Operator o)
			{
				OperatorDeclaration newOperator = new OperatorDeclaration ();
				newOperator.OperatorType = (OperatorType)o.OperatorType;
				
				var location = LocationsBag.GetMemberLocation (o);
				AddAttributeSection (newOperator, o);
				AddModifiers (newOperator, location);
				
				
				if (o.OperatorType == Operator.OpType.Implicit) {
					if (location != null) {
						newOperator.AddChild (new CSharpTokenNode (Convert (location[0]), "implicit".Length), OperatorDeclaration.OperatorTypeRole);
						newOperator.AddChild (new CSharpTokenNode (Convert (location[1]), "operator".Length), OperatorDeclaration.OperatorKeywordRole);
					}
					newOperator.AddChild (ConvertToType (o.TypeName), AstNode.Roles.Type);
				} else if (o.OperatorType == Operator.OpType.Explicit) {
					if (location != null) {
						newOperator.AddChild (new CSharpTokenNode (Convert (location[0]), "explicit".Length), OperatorDeclaration.OperatorTypeRole);
						newOperator.AddChild (new CSharpTokenNode (Convert (location[1]), "operator".Length), OperatorDeclaration.OperatorKeywordRole);
					}
					newOperator.AddChild (ConvertToType (o.TypeName), AstNode.Roles.Type);
				} else {
					newOperator.AddChild (ConvertToType (o.TypeName), AstNode.Roles.Type);
					
					if (location != null)
						newOperator.AddChild (new CSharpTokenNode (Convert (location[0]), "operator".Length), OperatorDeclaration.OperatorKeywordRole);
					
					int opLength = OperatorDeclaration.GetToken(newOperator.OperatorType).Length;
					if (location != null)
						newOperator.AddChild (new CSharpTokenNode (Convert (location[1]), opLength), OperatorDeclaration.OperatorTypeRole);
				}
				if (location != null)
					newOperator.AddChild (new CSharpTokenNode (Convert (location[2]), 1), OperatorDeclaration.Roles.LPar);
				AddParameter (newOperator, o.ParameterInfo);
				if (location != null)
					newOperator.AddChild (new CSharpTokenNode (Convert (location[3]), 1), OperatorDeclaration.Roles.RPar);
				
				if (o.Block != null) {
					newOperator.AddChild ((BlockStatement)o.Block.Accept (this), OperatorDeclaration.Roles.Body);
				} else {
					if (location != null && location.Count >= 5)
						newOperator.AddChild (new CSharpTokenNode (Convert (location[4]), 1), MethodDeclaration.Roles.Semicolon);
				}
				typeStack.Peek ().AddChild (newOperator, TypeDeclaration.MemberRole);
			}