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| author | Christian Clason <c.clason@uni-graz.at> | 2024-01-18 15:12:03 +0100 |
|---|---|---|
| committer | Christian Clason <c.clason@uni-graz.at> | 2024-01-18 15:46:08 +0100 |
| commit | 674f2513d4d43688a55913456e6c01ddacceb199 (patch) | |
| tree | d808f180a691af230fcaeed2f87af8a244c9d57c /runtime/lua/vim/treesitter/languagetree.lua | |
| parent | ab3a7fc3e3c0166f5792526699f035dd9e057ee9 (diff) | |
| download | rneovim-674f2513d4d43688a55913456e6c01ddacceb199.tar.gz rneovim-674f2513d4d43688a55913456e6c01ddacceb199.tar.bz2 rneovim-674f2513d4d43688a55913456e6c01ddacceb199.zip | |
fix(treesitter): validate language alias for injections
Problem: Parsed language annotations can be random garbage so
`nvim_get_runtime_file` throws an error.
Solution: Validate that `alias` is a valid language name before trying
to find a parser for it.
Diffstat (limited to 'runtime/lua/vim/treesitter/languagetree.lua')
| -rw-r--r-- | runtime/lua/vim/treesitter/languagetree.lua | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/runtime/lua/vim/treesitter/languagetree.lua b/runtime/lua/vim/treesitter/languagetree.lua index a249a10f47..971c4449e8 100644 --- a/runtime/lua/vim/treesitter/languagetree.lua +++ b/runtime/lua/vim/treesitter/languagetree.lua @@ -757,6 +757,11 @@ end) ---@param alias string language or filetype name ---@return string? # resolved parser name local function resolve_lang(alias) + -- validate that `alias` is a legal language + if not (alias and alias:match('[%w_]+') == alias) then + return + end + if has_parser(alias) then return alias end |