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fix: explain what's wrong when installing a non-existing parser

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Fixes #3450
This commit is contained in:
Stephan Seitz 2022-09-10 23:15:41 +02:00
parent f67fd904b7
commit 1da61c993a
1 changed files with 12 additions and 2 deletions
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14
lua/nvim-treesitter/install.lua
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@ -46,7 +46,7 @@ local function get_parser_install_info(lang, validate)
local parser_config = parsers.get_parser_configs()[lang] local parser_config = parsers.get_parser_configs()[lang]
if not parser_config then if not parser_config then
return error("Parser not available for language " .. lang) return error('Parser not available for language "' .. lang .. '"')
end end
local install_info = parser_config.install_info local install_info = parser_config.install_info
@ -374,7 +374,17 @@ local function install_lang(lang, ask_reinstall, cache_folder, install_folder, w
end end
end end
local install_info = get_parser_install_info(lang, true) local ok, install_info = pcall(get_parser_install_info, lang, true)
if not ok then
vim.notify("Installation not possible: " .. install_info, vim.log.levels.ERROR)
if not parsers.get_parser_configs()[lang] then
vim.notify(
"See https://github.com/nvim-treesitter/nvim-treesitter/#adding-parsers on how to add a new parser!",
vim.log.levels.INFO
)
end
return
end
run_install(cache_folder, install_folder, lang, install_info, with_sync, generate_from_grammar) run_install(cache_folder, install_folder, lang, install_info, with_sync, generate_from_grammar)
end end