64 lines
2.2 KiB
Lua
64 lines
2.2 KiB
Lua
--[[
|
|
Companion plugin for the LuaSnip snippet engine. Defines a completion
|
|
function which can be used for built-in insert mode completion (e.g. omni
|
|
completion). See 'ins-completion' for details. After completion the snippet
|
|
is expanded.
|
|
https://github.com/potamides/dotfiles/blob/master/.config/nvim/plugin/snipcomp.lua
|
|
--]]
|
|
|
|
-- lazy load LuaSnip, only useful when LuaSnip wasn't already loaded elsewhere
|
|
local luasnip = setmetatable({}, {__index = function(_, key) return require("luasnip")[key] end})
|
|
vim.luasnip = {}
|
|
|
|
-- https://github.com/hrsh7th/nvim-cmp/issues/180#issuecomment-915405589
|
|
require'luasnip'.config.set_config { history = true }
|
|
require('luasnip.loaders.from_vscode').lazy_load {}
|
|
|
|
local function snippet2completion(snippet)
|
|
return {
|
|
word = snippet.trigger,
|
|
menu = snippet.name,
|
|
info = vim.trim(table.concat(vim.tbl_flatten({snippet.dscr or "", "", snippet:get_docstring()}), "\n")),
|
|
dup = true,
|
|
user_data = "luasnip"
|
|
}
|
|
end
|
|
|
|
local function snippetfilter(line_to_cursor, base)
|
|
return function(s)
|
|
return not s.hidden and vim.startswith(s.trigger, base) and s.show_condition(line_to_cursor)
|
|
end
|
|
end
|
|
|
|
-- Set 'completefunc' or 'omnifunc' to 'v:lua.vim.luasnip.completefunc' to get
|
|
-- completion.
|
|
function vim.luasnip.completefunc(findstart, base)
|
|
local line, col = vim.api.nvim_get_current_line(), vim.api.nvim_win_get_cursor(0)[2]
|
|
local line_to_cursor = line:sub(1, col)
|
|
|
|
if findstart == 1 then
|
|
return vim.fn.match(line_to_cursor, '\\k*$')
|
|
end
|
|
|
|
local snippets = vim.list_extend(vim.list_slice(luasnip.get_snippets("all")), luasnip.get_snippets(vim.bo.filetype))
|
|
snippets = vim.tbl_filter(snippetfilter(line_to_cursor, base), snippets)
|
|
snippets = vim.tbl_map(snippet2completion, snippets)
|
|
table.sort(snippets, function(s1, s2) return s1.word < s2.word end)
|
|
return snippets
|
|
end
|
|
|
|
function vim.luasnip.completion_expand(item)
|
|
if item.user_data == "luasnip" and luasnip.expandable() then
|
|
luasnip.expand()
|
|
end
|
|
end
|
|
|
|
vim.cmd([[
|
|
augroup luasnip_completion_expand
|
|
autocmd!
|
|
autocmd CompleteDone * call v:lua.vim.luasnip.completion_expand(v:completed_item)
|
|
augroup END
|
|
]])
|
|
|
|
vim.o.completefunc = 'v:lua.vim.luasnip.completefunc'
|