Support LuaJIT syntax extensions

[ligurio]

LuaJIT has extensions to the Lua Parser, see ¹

sample.lua:

-- Decimal literals.
local a = 100000005LL
local b = 100000005ULL

-- Hexadecimal literals.
local c = 0x100000005LL
local d = 0x100000005ULL

-- Binary literals.
local e = 0b101010LL
local f = 0b101010ULL

-- Complex numbers.
local g = 12.5i
local h = 12.5I
local i = 1i
local j = 1I

$ luajit sample.lua; echo $?
0

An output of emmulua_check sample.lua:

---  [20 errors, 9 hints]
error: unexpected character 'L' after number literal [syntax-error]
  --> :2:11

  1 | -- Decimal literals.
  2 | local a = 100000005LL
  3 | local b = 100000005ULL

error: unexpected character 'U' after number literal [syntax-error]
  --> :3:11

  2 | local a = 100000005LL
  3 | local b = 100000005ULL
  4 | 

error: unexpected character 'L' after number literal [syntax-error]
  --> :6:11

  5 | -- Hexadecimal literals.
  6 | local c = 0x100000005LL
  7 | local d = 0x100000005ULL

error: unexpected character 'U' after number literal [syntax-error]
  --> :7:11

  6 | local c = 0x100000005LL
  7 | local d = 0x100000005ULL
  8 | 

error: unexpected character 'b' after number literal [syntax-error]
  --> :10:11

   9 | -- Binary literals.
  10 | local e = 0b101010LL
  11 | local f = 0b101010ULL

error: unexpected character 'b' after number literal [syntax-error]
  --> :11:11

  10 | local e = 0b101010LL
  11 | local f = 0b101010ULL
  12 | 

error: unexpected character 'i' after number literal [syntax-error]
  --> :14:11

  13 | -- Complex numbers.
  14 | local g = 12.5i
  15 | local h = 12.5I

error: unexpected character 'I' after number literal [syntax-error]
  --> :15:11

  14 | local g = 12.5i
  15 | local h = 12.5I
  16 | local i = 1i

error: unexpected character 'i' after number literal [syntax-error]
  --> :16:11

  15 | local h = 12.5I
  16 | local i = 1i
  17 | local j = 1I

error: unexpected character 'I' after number literal [syntax-error]
  --> :17:11

  16 | local i = 1i
  17 | local j = 1I

error: expected '=' for assignment or this is an incomplete statement [syntax-error]
  --> :3:1

  2 | local a = 100000005LL
  3 | local b = 100000005ULL
  4 | 

error: expected '=' for assignment or this is an incomplete statement [syntax-error]
  --> :6:1

  5 | -- Hexadecimal literals.
  6 | local c = 0x100000005LL
  7 | local d = 0x100000005ULL

error: expected '=' for assignment or this is an incomplete statement [syntax-error]
  --> :7:1

  6 | local c = 0x100000005LL
  7 | local d = 0x100000005ULL
  8 | 

error: expected '=' for assignment or this is an incomplete statement [syntax-error]
  --> :10:1

   9 | -- Binary literals.
  10 | local e = 0b101010LL
  11 | local f = 0b101010ULL

error: expected '=' for assignment or this is an incomplete statement [syntax-error]
  --> :11:1

  10 | local e = 0b101010LL
  11 | local f = 0b101010ULL
  12 | 

error: expected '=' for assignment or this is an incomplete statement [syntax-error]
  --> :14:1

  13 | -- Complex numbers.
  14 | local g = 12.5i
  15 | local h = 12.5I

error: expected '=' for assignment or this is an incomplete statement [syntax-error]
  --> :15:1

  14 | local g = 12.5i
  15 | local h = 12.5I
  16 | local i = 1i

error: expected '=' for assignment or this is an incomplete statement [syntax-error]
  --> :16:1

  15 | local h = 12.5I
  16 | local i = 1i
  17 | local j = 1I

error: expected '=' for assignment or this is an incomplete statement [syntax-error]
  --> :17:1

  16 | local i = 1i
  17 | local j = 1I

error: expected '=' for assignment or this is an incomplete statement [syntax-error]
  --> :17:13

  16 | local i = 1i
  17 | local j = 1I

hint: j is never used, if this is intentional, prefix it with an underscore: _j [unused]
  --> :17:7

  16 | local i = 1i
  17 | local j = 1I

hint: d is never used, if this is intentional, prefix it with an underscore: _d [unused]
  --> :7:7

  6 | local c = 0x100000005LL
  7 | local d = 0x100000005ULL
  8 | 

hint: f is never used, if this is intentional, prefix it with an underscore: _f [unused]
  --> :11:7

  10 | local e = 0b101010LL
  11 | local f = 0b101010ULL
  12 | 

hint: b is never used, if this is intentional, prefix it with an underscore: _b [unused]
  --> :3:7

  2 | local a = 100000005LL
  3 | local b = 100000005ULL
  4 | 

hint: c is never used, if this is intentional, prefix it with an underscore: _c [unused]
  --> :6:7

  5 | -- Hexadecimal literals.
  6 | local c = 0x100000005LL
  7 | local d = 0x100000005ULL

hint: g is never used, if this is intentional, prefix it with an underscore: _g [unused]
  --> :14:7

  13 | -- Complex numbers.
  14 | local g = 12.5i
  15 | local h = 12.5I

hint: h is never used, if this is intentional, prefix it with an underscore: _h [unused]
  --> :15:7

  14 | local g = 12.5i
  15 | local h = 12.5I
  16 | local i = 1i

hint: a is never used, if this is intentional, prefix it with an underscore: _a [unused]
  --> :2:7

  1 | -- Decimal literals.
  2 | local a = 100000005LL
  3 | local b = 100000005ULL

hint: e is never used, if this is intentional, prefix it with an underscore: _e [unused]
  --> :10:7

   9 | -- Binary literals.
  10 | local e = 0b101010LL
  11 | local f = 0b101010ULL



Summary
  20 errors
  9 hints

Check failed

emmylua_check 0.22.0

Footnotes

1. https://luajit.org/ext_ffi_api.html#literals ↩

[ligurio]

Yet another:

warning: Global variable should only be defined in module scope [global-in-non-module]
  -->: box/lua/schema.lua:2831:24

  2830 │     -- integer == -1. See https://bitop.luajit.org/semantics.html#range.
  2831 │     return priv_hex + 0ULL
  2832 │ end

[CppCXY]

You need to set the language to LuaJIT; after configuring it, the only error is an uppercase "I" used as a suffix.

[CppCXY]

create .emmyrc.json in the workspace root dir with:

{
      "runtime": {
            "version": "LuaJIT"
      }
}

[ligurio]

Thanks! Now it works, and I can confirm with "I" it reports error.