nom-lua

Lua 5.3 parser written with nom

Syntax

• chunk (needs tests)
• block
• stat
  • ";"
  • varlist = explist
  • functioncall (deps functioncall)
  • label
  • "break"
  • goto
  • do end
  • while
  • repeat until
  • if
  • for
  • for in
  • function (deps funcname)
  • local function
  • local
• retstat (needs tests)
• label
• varlist (deps var)
• var
• namelist (needs tests)
• explist (needs tests)
• exp (needs tests)
  • Numeral
  • Nil
  • Bool
  • LiteralString
  • "..."
  • functiondef
  • prefixexp
  • tableconstructor
  • op
• prefixexp (needs to be finished)
• functioncall (deps args, prefixexp)
• args (deps explist, tableconstructor, LiteralString)
• funcname
• functiondef
• funcbody
• parlist
• tableconstructor (needs tests)
• fieldlist (needs tests)
• field
• fieldsep
• Binop (percedence error)
• Unop
• Name
• Numeral
  • Digit
  • Hex Digit
  • Float
  • Hex Float
• LitrealString
  • Short Literal
    • linebreaks
    • byte
    • unicode
    • escape
    • '\z'
  • Literal

TODO

• Different integer and floating point values (i32, f32)
• Better syntax errors
• Fallback to floats on overflow
• Benchmarks
• Fuzzing
• Change tests to fail instead of panicking
• Enforce ASTNodes correctness on more operations For example, BinOp could take a BinOp enum instead of ASTNode
• Build all features on CI

License

nom-lua is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0).

See LICENSE-APACHE and LICENSE-MIT for details.