private static Result <TToken, T> DoParse <TToken, T>(Parser <TToken, T> parser, ref ParseState <TToken> state)
{
var internalResult = parser.Parse(ref state);
var result = internalResult.Success
? new Result <TToken, T>(internalResult.ConsumedInput, internalResult.Value)
: new Result <TToken, T>(internalResult.ConsumedInput, state.BuildError());
state.Dispose(); // ensure we return the state's buffers to the buffer pool
return(result);
}
private static Result <TToken, T> DoParse <TToken, T>(Parser <TToken, T> parser, ITokenStream <TToken> stream, Func <TToken, SourcePos, SourcePos> calculatePos)
{
var state = new ParseState <TToken>(calculatePos, stream);
state.Advance(); // pull the first element from the input
var result = parser.Parse(ref state);
state.Dispose(); // ensure we return the state's buffer to the buffer pool
return(result.Success
? new Result <TToken, T>(result.ConsumedInput, result.Value)
: new Result <TToken, T>(result.ConsumedInput, state.Error));
}
private static Result <TToken, T> DoParse <TToken, T>(Parser <TToken, T> parser, ITokenStream <TToken> stream, Func <TToken, SourcePos, SourcePos> calculatePos)
{
var state = new ParseState <TToken>(calculatePos, stream);
var internalResult = parser.Parse(ref state);
var result = internalResult.Success
? new Result <TToken, T>(internalResult.ConsumedInput, internalResult.Value)
: new Result <TToken, T>(internalResult.ConsumedInput, state.BuildError());
state.Dispose(); // ensure we return the state's buffers to the buffer pool
return(result);
}
private static Result <TToken, T> DoParse <TToken, T>(Parser <TToken, T> parser, ref ParseState <TToken> state)
{
var startingLoc = state.Location;
var expecteds = new ExpectedCollector <TToken>();
var success = parser.TryParse(ref state, ref expecteds, out var result);
var result1 = success
? new Result <TToken, T>(state.Location > startingLoc, result)
: new Result <TToken, T>(state.Location > startingLoc, state.BuildError(ref expecteds));
expecteds.Dispose();
state.Dispose(); // ensure we return the state's buffers to the buffer pool
return(result1);
}
