bug: compile error in unknown global in strict mode: vim

[bangedorrunt]

I got this error whenever I open nvim.

Edit: I just want to confirm that this bug doesn't happen with aniseed using the same nvim config

[rktjmp]

There was a bug fix in Fennel 0.10 with strict reporting, so that may be why you're seeing it in Hotpot, or Aniseed fiddles with the globals.

These might be related:

#16
#19

Are you using vim in a macro or just regular old fennel? I have no trouble accessing vim in "normal" code but macros are sandboxed by Fennel intentionally.

[bangedorrunt]

You're right. I got some vim.* in macros

[rktjmp]

Try _G.vim

[rktjmp]

_G.vim will still show a warning if you nvimv 2> stderr.log, but it is "non fatal" atm and you will only see the error when that module is being compiled.

I do plan to expose compiler configuration #14 which will let you pass options to Fennels compiler to avoid this.

The reason I don't just set it up to allow vim by default (even though its not unreasonable to do since we're always in Vim) is that I want Hotpot to "just be Fennel", so it retains any defaults that come with it.

Edit: Aniseed runs with the sandbox disabled which is why you don't see the error https://github.com/Olical/aniseed/blob/c364acfb58a2185e8cf6a0dc5ef91b0aa1024562/fnl/aniseed/compile.fnl#L29-L30

[bangedorrunt]

Thank you for details. IMO, it's worth to fix this, especially for new neovim users who want to use fennel for their config using hotpot. Apart from this, hotpot is working great for me 👍. Feel free to close this issue if you don't consider to fix it. Thank you!

[rktjmp]

Merged compiler options, see :h hotpot-setup or readme for configuration guide and the fennel lang site for options, or in my config I use:

  require("hotpot").setup({
    compiler = {
      macros = {
        env = "_COMPILER",
        compilerEnv = _G,
        allowedGlobals = false,
      }
    }
  })

Note you will still technically see errors in stderr until this commit is released in the next fennel release which fixes a bug in Fennel not actually propagating the options down to the compiler.

[bangedorrunt]

Wow, that's great news. Thank you so much 😘