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C# TokenStream.PushState方法代码示例

本文整理汇总了C#中TokenStream.PushState方法的典型用法代码示例。如果您正苦于以下问题:C# TokenStream.PushState方法的具体用法?C# TokenStream.PushState怎么用?C# TokenStream.PushState使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在TokenStream的用法示例。


在下文中一共展示了TokenStream.PushState方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: ParseComplexString

        public static Ast.ComplexString ParseComplexString(TokenStream Stream, ParseContext Context)
        {
            System.Diagnostics.Debug.Assert(Stream.Next().Type == TokenType.Dollar);
            var start = Stream.Next();

            Stream.PushState(TokenStreamState.ComplexString); //Enter complex string parsing mode

            Stream.Advance();
            if (Stream.Next().Type != TokenType.ComplexStringQuote)
                throw new CompileError("[015] Expected \"", Stream);
            Stream.Advance();

            var stringPieces = new List<Ast.Node>();

            while (Stream.Next().Type != TokenType.ComplexStringQuote)
            {
                if (Stream.Next().Type == TokenType.ComplexStringPart)
                {
                    stringPieces.Add(new Ast.StringLiteral(Stream.Next(), Stream.Next().Value));
                    Stream.Advance();
                }
                else if (Stream.Next().Type == TokenType.OpenBracket)
                {
                    Stream.PushState(TokenStreamState.Normal); //Make sure we are parsing normally for the
                    Stream.Advance(); //Skip the [						//embedded expression
                    stringPieces.Add(ParseExpression(Stream, Context, TokenType.CloseBracket));
                    if (Stream.Next().Type != TokenType.CloseBracket)	//Shouldn't be possible
                        throw new CompileError("[016] Expected ]", Stream);
                    Stream.PopState();	//Return to complex string parsing mode
                    Stream.Advance();
                }
                else
                    throw new InvalidProgramException();
            }

            Stream.PopState(); //Return to normal parsing mode
            Stream.Advance();

            return new Ast.ComplexString(start, stringPieces);
        }
开发者ID:Blecki,项目名称:EtcScript,代码行数:40,代码来源:Parse.cs


注:本文中的TokenStream.PushState方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。