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Allow user configure parsers using metatables

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This commit is contained in:
Luis Carlos Cruz Carballo 2020-11-30 21:30:07 -04:00 • committed by Kiyan
parent a47c83d12d
commit 76486942e7
2 changed files with 40 additions and 12 deletions
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39
lua/nvim-treesitter/parsers.lua
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@ -1,7 +1,33 @@
local api = vim.api
local ts = vim.treesitter
local list = {}
local ft_to_parsername = {}
local function update_ft_to_parsername(name, parser)
if type(parser.used_by) == 'table' then
for _, ft in pairs(parser.used_by) do
ft_to_parsername[ft] = name
end
end
ft_to_parsername[parser.filetype or name] = name
end
local list = setmetatable({}, {
__newindex = function(table, parsername, parserconfig)
rawset(table, parsername, setmetatable(parserconfig, {
__newindex = function(parserconfigtable, key, value)
if key == "used_by" then
ft_to_parsername[value] = parsername
else
rawset(parserconfigtable, key, value)
end
end
}))
update_ft_to_parsername(parsername, parserconfig)
end
})
list.javascript = {
install_info = {
@ -349,17 +375,6 @@ local M = {
list = list
}
local ft_to_parsername = {}
for name, obj in pairs(M.list) do
if type(obj.used_by) == 'table' then
for _, ft in pairs(obj.used_by) do
ft_to_parsername[ft] = name
end
end
ft_to_parsername[obj.filetype or name] = name
end
function M.ft_to_lang(ft)
return ft_to_parsername[ft] or ft
end