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authorGustaf Rydholm <gustaf.rydholm@gmail.com>2022-01-13 19:12:32 +0100
committerGustaf Rydholm <gustaf.rydholm@gmail.com>2022-01-13 19:12:32 +0100
commit73a60f5ee71bb60265ec0c97be7531a5e7605d8c (patch)
treed46283a3d04285c5a5ead92d5bbb3b1fe424b736 /.config/nvim/lua/impatient.lua
parent19c1942757f07387b95db3ddbc39d9b561d5b51d (diff)
Remove bloat nvim config
Diffstat (limited to '.config/nvim/lua/impatient.lua')
-rw-r--r--.config/nvim/lua/impatient.lua359
1 files changed, 0 insertions, 359 deletions
diff --git a/.config/nvim/lua/impatient.lua b/.config/nvim/lua/impatient.lua
deleted file mode 100644
index e428c7e..0000000
--- a/.config/nvim/lua/impatient.lua
+++ /dev/null
@@ -1,359 +0,0 @@
--- modified version from https://github.com/lewis6991/impatient.nvim
-
-local vim = vim
-local uv = vim.loop
-local impatient_load_start = uv.hrtime()
-local api = vim.api
-local ffi = require "ffi"
-
-local get_option, set_option = api.nvim_get_option, api.nvim_set_option
-local get_runtime_file = api.nvim_get_runtime_file
-
-local impatient_dur
-
-local M = {
- cache = {},
- profile = nil,
- dirty = false,
- path = nil,
- log = {},
-}
-
-_G.__luacache = M
-
---{{{
-local cachepack = {}
-
--- using double for packing/unpacking numbers has no conversion overhead
--- 32-bit ARM causes a bus error when casting to double, so use int there
-local number_t = jit.arch ~= "arm" and "double" or "int"
-ffi.cdef("typedef " .. number_t .. " number_t;")
-
-local c_number_t = ffi.typeof "number_t[1]"
-local c_sizeof_number_t = ffi.sizeof "number_t"
-
-local out_buf = {}
-
-function out_buf.write_number(buf, num)
- buf[#buf + 1] = ffi.string(c_number_t(num), c_sizeof_number_t)
-end
-
-function out_buf.write_string(buf, str)
- out_buf.write_number(buf, #str)
- buf[#buf + 1] = str
-end
-
-function out_buf.to_string(buf)
- return table.concat(buf)
-end
-
-local in_buf = {}
-
-function in_buf.read_number(buf)
- if buf.size < buf.pos then
- error "buffer access violation"
- end
- local res = ffi.cast("number_t*", buf.ptr + buf.pos)[0]
- buf.pos = buf.pos + c_sizeof_number_t
- return res
-end
-
-function in_buf.read_string(buf)
- local len = in_buf.read_number(buf)
- local res = ffi.string(buf.ptr + buf.pos, len)
- buf.pos = buf.pos + len
-
- return res
-end
-
-function cachepack.pack(cache)
- local total_keys = vim.tbl_count(cache)
- local buf = {}
-
- out_buf.write_number(buf, total_keys)
- for k, v in pairs(cache) do
- out_buf.write_string(buf, k)
- out_buf.write_string(buf, v[1] or "")
- out_buf.write_number(buf, v[2] or 0)
- out_buf.write_string(buf, v[3] or "")
- end
-
- return out_buf.to_string(buf)
-end
-
-function cachepack.unpack(str, raw_buf_size)
- if raw_buf_size == 0 or str == nil or (raw_buf_size == nil and #str == 0) then
- return {}
- end
-
- local buf = {
- ptr = raw_buf_size and str or ffi.new("const char[?]", #str, str),
- pos = 0,
- size = raw_buf_size or #str,
- }
- local cache = {}
-
- local total_keys = in_buf.read_number(buf)
- for _ = 1, total_keys do
- local k = in_buf.read_string(buf)
- local v = {
- in_buf.read_string(buf),
- in_buf.read_number(buf),
- in_buf.read_string(buf),
- }
- cache[k] = v
- end
-
- return cache
-end
---}}}
-
-local function log(...)
- M.log[#M.log + 1] = table.concat({ string.format(...) }, " ")
-end
-
-function M.print_log()
- for _, l in ipairs(M.log) do
- print(l)
- end
-end
-
-function M.enable_profile()
- M.profile = {}
- M.print_profile = function()
- M.profile["impatient"] = {
- resolve = 0,
- load = impatient_dur,
- loader = "standard",
- }
- require("impatient.profile").print_profile(M.profile)
- end
- vim.cmd [[command! LuaCacheProfile lua _G.__luacache.print_profile()]]
-end
-
-local function is_cacheable(path)
- -- Don't cache files in /tmp since they are not likely to persist.
- -- Note: Appimage versions of Neovim mount $VIMRUNTIME in /tmp in a unique
- -- directory on each launch.
- return not vim.startswith(path, "/tmp/")
-end
-
-local function hash(modpath)
- local stat = uv.fs_stat(modpath)
- if stat then
- return stat.mtime.sec
- end
-end
-
-local function hrtime()
- if M.profile then
- return uv.hrtime()
- end
-end
-
-local function load_package_with_cache(name, loader)
- local resolve_start = hrtime()
-
- local basename = name:gsub("%.", "/")
- local paths = { "lua/" .. basename .. ".lua", "lua/" .. basename .. "/init.lua" }
-
- for _, path in ipairs(paths) do
- local modpath = get_runtime_file(path, false)[1]
- if modpath then
- local load_start = hrtime()
- local chunk, err = loadfile(modpath)
-
- if M.profile then
- M.profile[name] = {
- resolve = load_start - resolve_start,
- load = hrtime() - load_start,
- loader = loader or "standard",
- }
- end
-
- if chunk == nil then
- return err
- end
-
- if is_cacheable(modpath) then
- log("Creating cache for module %s", name)
- M.cache[name] = { modpath, hash(modpath), string.dump(chunk) }
- M.dirty = true
- else
- log("Unable to cache module %s", name)
- end
-
- return chunk
- end
- end
- return nil
-end
-
-local reduced_rtp
-
--- Speed up non-cached loads by reducing the rtp path during requires
-function M.update_reduced_rtp()
- local luadirs = get_runtime_file("lua/", true)
-
- for i = 1, #luadirs do
- luadirs[i] = luadirs[i]:sub(1, -6)
- end
-
- reduced_rtp = table.concat(luadirs, ",")
-end
-
-local function load_package_with_cache_reduced_rtp(name)
- local orig_rtp = get_option "runtimepath"
- local orig_ei = get_option "eventignore"
-
- if not reduced_rtp then
- M.update_reduced_rtp()
- end
-
- set_option("eventignore", "all")
- set_option("rtp", reduced_rtp)
-
- local found = load_package_with_cache(name, "reduced")
-
- set_option("rtp", orig_rtp)
- set_option("eventignore", orig_ei)
-
- return found
-end
-
-local function load_from_cache(name)
- local resolve_start = hrtime()
- if M.cache[name] == nil then
- log("No cache for module %s", name)
- return "No cache entry"
- end
-
- local modpath, mhash, codes = unpack(M.cache[name])
-
- if mhash ~= hash(modpath) then
- log("Stale cache for module %s", name)
- M.cache[name] = nil
- M.dirty = true
- return "Stale cache"
- end
-
- local load_start = hrtime()
- local chunk = loadstring(codes)
-
- if M.profile then
- M.profile[name] = {
- resolve = load_start - resolve_start,
- load = hrtime() - load_start,
- loader = "cache",
- }
- end
-
- if not chunk then
- M.cache[name] = nil
- M.dirty = true
- log("Error loading cache for module. Invalidating", name)
- return "Cache error"
- end
-
- return chunk
-end
-
-function M.save_cache()
- if M.dirty then
- log("Updating cache file: %s", M.path)
- local f = io.open(M.path, "w+b")
- f:write(cachepack.pack(M.cache))
- f:flush()
- M.dirty = false
- end
-end
-
-function M.clear_cache()
- M.cache = {}
- os.remove(M.path)
-end
-
-impatient_dur = uv.hrtime() - impatient_load_start
-
-function M.setup(opts)
- opts = opts or {}
- M.path = opts.path or vim.fn.stdpath "cache" .. "/nvim_cache"
-
- if opts.enable_profiling then
- M.enable_profile()
- end
-
- local impatient_setup_start = uv.hrtime()
- local stat = uv.fs_stat(M.path)
- if stat then
- log("Loading cache file %s", M.path)
- local ok
- -- Linux/macOS lets us easily mmap the cache file for faster reads without passing to Lua
- if jit.os == "Linux" or jit.os == "OSX" then
- local size = stat.size
-
- local C = ffi.C
- local O_RDONLY = 0x00
- local PROT_READ = 0x01
- local MAP_PRIVATE = 0x02
-
- ffi.cdef [[
- int open(const char *pathname, int flags);
- int close(int fd);
- void *mmap(void *addr, size_t length, int prot, int flags, int fd, long int offset);
- int munmap(void *addr, size_t length);
- ]]
- local f = C.open(M.path, O_RDONLY)
-
- local addr = C.mmap(nil, size, PROT_READ, MAP_PRIVATE, f, 0)
- ok = ffi.cast("intptr_t", addr) ~= -1
-
- if ok then
- M.cache = cachepack.unpack(ffi.cast("char *", addr), size)
- C.munmap(addr, size)
- end
-
- C.close(f)
- else
- local f = io.open(M.path, "rb")
- ok, M.cache = pcall(function()
- return cachepack.unpack(f:read "*a")
- end)
- end
-
- if not ok then
- log("Corrupted cache file, %s. Invalidating...", M.path)
- os.remove(M.path)
- M.cache = {}
- end
- M.dirty = not ok
- end
-
- local insert = table.insert
- local package = package
-
- -- Fix the position of the preloader. This also makes loading modules like 'ffi'
- -- and 'bit' quicker
- if package.loaders[1] == vim._load_package then
- -- Move vim._load_package to the second position
- local vim_load = table.remove(package.loaders, 1)
- insert(package.loaders, 2, vim_load)
- end
-
- insert(package.loaders, 2, load_from_cache)
- insert(package.loaders, 3, load_package_with_cache_reduced_rtp)
- insert(package.loaders, 4, load_package_with_cache)
-
- vim.cmd [[
- augroup impatient
- autocmd VimEnter,VimLeave * lua _G.__luacache.save_cache()
- autocmd OptionSet runtimepath lua _G.__luacache.update_reduced_rtp(true)
- augroup END
- command! LuaCacheClear lua _G.__luacache.clear_cache()
- command! LuaCacheLog lua _G.__luacache.print_log()
- ]]
-
- impatient_dur = impatient_dur + (uv.hrtime() - impatient_setup_start)
-end
-
-return M