Meaningful errors during parsing with FSyacc

瘦欲@ 提交于 2019-11-30 15:40:26

During lexing, you need to manually increment the line number with a rule like

...
let newline = ('\n' | '\r' '\n')

rule tokenize = parse
| newline    { lexbuf.EndPos <- lexbuf.EndPos.NextLine; tokenize lexbuf }
...
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