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CONTRIBUTING.md

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Parsing takes part across several files. I find having these open simultaneously is helpful:

  • The expression.ne, statement.ne, and program.ne files. There are separate files because of Nearley's design: each file can have only one category it parses, and we potentially want parses for expressions, statements, and (of course) full programs.
  • ast.ts contains the "authoritative" C1 grammar This is part of the interface of Jaco.
  • parser-util.ts contains functions called by the Nearley parser that create the internal (and unstable) parsed representation (parsedsyntax.ts).
  • restrictsyntax.ts contains logic for transforming the parsedsyntax.ts representation into the ast.ts representation.