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feat(parser): add parser combinators #78

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@ecyrbe ecyrbe commented Mar 5, 2023 •
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This is a Combinator Parser with a lot of goodies:

  • advanced error handling for parsing errors
  • parser introspection to give better hints to users about the errors
  • multiple easy to understand primitives to create complex parsers
About recursive parsers (resolved) we get recursive too deep and probably infinite error. i only see trampolines as a workaround. This means complexify a lot the library. Because this implies returning a `ParserFn` in the composed parsers and calling those in a loop.

solution

was simply to remove ParserFn constraint

Combinators in this PR:

  • Helpers
    • Parse
    • ToString
  • Combinators
    • Literal
    • NotLiteral
    • Optional
    • Many
    • Many1
    • Sequence
    • EndOfInput
    • Choice
    • Or
    • Not
    • Whitespace
    • Whitespaces
    • Trim
    • TrimLeft
    • TrimRight
    • Any
    • CharRange
    • Alpha
    • AlphaNum
    • Digit
    • Digits
    • Word
    • SepBy
    • Between
  • Transformers
    • Map
    • MapError
    • Skip

Pawl-Patrol
Pawl-Patrol reviewed Mar 6, 2023
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@ecyrbe ecyrbe changed the title feat(parser): first impl for review feat(parser): add parser combinators Mar 12, 2023
@ecyrbe ecyrbe mentioned this pull request Jun 24, 2023
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@ecyrbe @Pawl-Patrol