tiny.chant.TokenSurvey

1/// The result of a counting pass (survey) over one source: how many tokens the2/// source holds, counting the end-of-file token, and the address and length of3/// both the source text and the file name. A caller gets one from `survey` and4/// passes it to `Storage.fill`. `fill` compares those addresses and lengths5/// with the slices it is given and returns `error.SurveySourceMismatch` when6/// any of them differs. The caller owns the source and file-name bytes and7/// keeps them at the same address and unchanged from the survey through the8/// last use of the tokens, because the check reads addresses and lengths and no9/// bytes.10pub const Survey = struct {11    source_ptr: [*]const u8,12    source_len: usize,13    file_ptr: [*]const u8,14    file_len: usize,15    limits: Limits,16};

1pub const TokenSurvey = lexer.Survey;