本文整理汇总了C#中ParseState.First方法的典型用法代码示例。如果您正苦于以下问题：C# ParseState.First方法的具体用法？C# ParseState.First怎么用？C# ParseState.First使用的例子？那么, 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类ParseState的用法示例。
在下文中一共展示了ParseState.First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: Action
protected override ParserAction Action(ParseState state, Token token, out Production production, out ParseState nextState)
{
bool shift = false;
bool reduce = false;
if (token == null && state.AcceptingState)
{
production = default(Production);
nextState = null;
return ParserAction.Accept;
}
if (token != null)
{
nextState = automaton[state, token.Terminal];
if (nextState != null)
{
production = default(Production);
shift = true;
}
}
else
nextState = null;
if (state.Count() == 1 && state.First().Position == state.First().Production.Body.Length)
{
nextState = null;
production = state.First().Production;
reduce = true;
}
else
production = default(Production);
if (shift && reduce)
throw new ParseException(String.Format("Shift/Reduce conflict between shift {0} and reduce {1}", nextState, production));
else if (shift)
return ParserAction.Shift;
else if (reduce)
return ParserAction.Reduce;
else if (token == null)
throw new ParseException("Unexpected EOF");
throw new ParseException(String.Format("Unexpected {0} at line {1} column {2}", token.Value, token.Line, token.Column));
}