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-- this file contains setup for snippets and common LSP options
local cmp_status, cmp = pcall(require, 'cmp')
-- vim.api.nvim_echo({{"Hello!", "Normal"}}, true, {})
if not cmp_status then
vim.api.nvim_err_writeln(string.format("shit! error status: %s", cmp_status))
return
end
luasnip = require 'luasnip'
luasnip.setup()
local expnoresilent = {expr = true, noremap = true, silent = true}
local noresilent = {noremap = true, silent = true}
local map = cmp.mapping
-- stolen from https://github.com/hrsh7th/nvim-cmp/wiki/Menu-Appearance
local kind_icons = {
Text = "", Method = "",
Function = "", Constructor = "",
Field = "", Variable = "",
Class = "", Interface = "",
Module = "", Property = "",
Unit = "", Value = "",
Enum = "", Keyword = "",
Snippet = "", Color = "",
File = "", Reference = "",
Folder = "", EnumMember = "",
Constant = "", Struct = "",
Event = "", Operator = "",
TypeParameter = "",
}
-- from https://github.com/hrsh7th/nvim-cmp/wiki/Example-mappings#luasnip
local stolen_function = function() -- to check whether there are words before cursor
unpack = unpack or table.unpack
local line, col = unpack(vim.api.nvim_win_get_cursor(0))
return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
end
cmp.setup {
snippet = {
expand = function(args)
-- vim.fn["vsnip#anonymous"](args.body) -- for vsnip (i left it)
luasnip.lsp_expand(args.body) -- for luasnip cause i like it more
end,
},
mapping = {
["<C-n>"] = map.select_next_item(),
["<C-p>"] = map(map.select_prev_item({ behavior = cmp.SelectBehavior.Insert })),
["<C-Space>"] = map.complete(),
},
-- NOTE: ordering or this table affects completions ordering
sources = { -- TODO: Add keyword_length to some of them ??????
{ name = 'nvim_lsp' },
{ name = 'luasnip' },
{ name = 'buffer' },
{ name = 'path' },
{ name = 'calc' },
{ name = 'nvim_lua' },
{ name = 'nvim_lsp_signature_help' },
},
formatting = {
fields = { "kind", "abbr", "menu" },
-- the function is also half-stolen
format = function(entry, vim_item)
vim_item.kind = string.format("%s · |%s|", kind_icons[vim_item.kind], vim_item.kind)
vim_item.menu = ({
buffer = "[Buffer]",
nvim_lsp = "[Lsp]",
vsnip = "[Vsnip]",
luasnip = "[Luasnip]",
path = "[Path]",
nvim_lua = "[Lua]",
calc = "[(x)dx]",
nvim_lsp_signature_help = "[Lsp-help]",
})[entry.source.name]
return vim_item
end,
},
window = {
completion = cmp.config.window.bordered(),
documentation = cmp.config.window.bordered(),
},
experimental = { ghost_text = true },
}
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