local-lua-debugger-vscode

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Your debugger is awesome, but unfortunately, it is not compatible with tic-80 because there is no access to global os:

 TIC-80 tiny computer
 version 1.0.1770-dev Pro (60e63de)
 https://tic80.com (C) 2017-2021

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>./run/debugger.lua:1: attempt to index a nil value (global 'os')
>

Maybe you have some idea how to fix it?

if you use os only for os.execute, maybe you can replace it with something like this:

local function execute(command)
  local f = io.popen(command)
  local l = f:read("*a")
  f:close()
  return l
end

print(execute("echo $USER"))

... oh, never mind, io is also not available 😢

os is used specifically for os.getenv to read settings passed from the vscode extension. It might be possible to refactor things to not require this. But, not having io is a dealbreaker. That's required for communicating over stdio or pipes. Without that, I don't think there's any way for the debugger to work.