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perf: pre-compile embedded Lua source into bytecode (#16631)

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The Lua modules that make up vim.lua are embedded as raw source files into the
nvim binary. These sources are loaded by the Lua runtime on startuptime. We can
pre-compile these sources into Lua bytecode before embedding them into the
binary, which minimizes the size of the binary and improves startuptime.
This commit is contained in:
Gregory Anders
2021-12-16 09:27:39 -07:00
committed by GitHub
parent 56fa08b458
commit 4240ce8eb3
6 changed files with 136 additions and 79 deletions
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20
src/nvim/lua/executor.c
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@@ -404,9 +404,9 @@ static int nlua_state_init(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL
{
const char *code = (char *)&shared_module[0];
if (luaL_loadbuffer(lstate, code, strlen(code), "@vim/shared.lua")
if (luaL_loadbuffer(lstate, code, sizeof(shared_module) - 1, "@vim/shared.lua")
|| nlua_pcall(lstate, 0, 0)) {
nlua_error(lstate, _("E5106: Error while creating shared module: %.*s"));
nlua_error(lstate, _("E5106: Error while creating shared module: %.*s\n"));
return 1;
}
}
@@ -416,18 +416,18 @@ static int nlua_state_init(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL
lua_getfield(lstate, -1, "loaded"); // [package, loaded]
const char *code = (char *)&inspect_module[0];
if (luaL_loadbuffer(lstate, code, strlen(code), "@vim/inspect.lua")
if (luaL_loadbuffer(lstate, code, sizeof(inspect_module) - 1, "@vim/inspect.lua")
|| nlua_pcall(lstate, 0, 1)) {
nlua_error(lstate, _("E5106: Error while creating inspect module: %.*s"));
nlua_error(lstate, _("E5106: Error while creating inspect module: %.*s\n"));
return 1;
}
// [package, loaded, inspect]
lua_setfield(lstate, -2, "vim.inspect"); // [package, loaded]
code = (char *)&lua_F_module[0];
if (luaL_loadbuffer(lstate, code, strlen(code), "@vim/F.lua")
if (luaL_loadbuffer(lstate, code, sizeof(lua_F_module) - 1, "@vim/F.lua")
|| nlua_pcall(lstate, 0, 1)) {
nlua_error(lstate, _("E5106: Error while creating vim.F module: %.*s"));
nlua_error(lstate, _("E5106: Error while creating vim.F module: %.*s\n"));
return 1;
}
// [package, loaded, module]
@@ -438,9 +438,9 @@ static int nlua_state_init(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL
{
const char *code = (char *)&vim_module[0];
if (luaL_loadbuffer(lstate, code, strlen(code), "@vim.lua")
if (luaL_loadbuffer(lstate, code, sizeof(vim_module) - 1, "@vim.lua")
|| nlua_pcall(lstate, 0, 0)) {
nlua_error(lstate, _("E5106: Error while creating vim module: %.*s"));
nlua_error(lstate, _("E5106: Error while creating vim module: %.*s\n"));
return 1;
}
}
@@ -450,9 +450,9 @@ static int nlua_state_init(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL
lua_getfield(lstate, -1, "loaded"); // [package, loaded]
const char *code = (char *)&lua_meta_module[0];
if (luaL_loadbuffer(lstate, code, strlen(code), "@vim/_meta.lua")
if (luaL_loadbuffer(lstate, code, sizeof(lua_meta_module) - 1, "@vim/_meta.lua")
|| nlua_pcall(lstate, 0, 1)) {
nlua_error(lstate, _("E5106: Error while creating vim._meta module: %.*s"));
nlua_error(lstate, _("E5106: Error while creating vim._meta module: %.*s\n"));
return 1;
}
// [package, loaded, module]