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executor: Add :luafile command

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ZyX
2017-01-29 19:51:55 +03:00
parent 295e7607c4
commit dcb992ab37
3 changed files with 65 additions and 2 deletions
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37
src/nvim/viml/executor/executor.c
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@@ -161,7 +161,7 @@ static int nlua_exec_luado_string(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL
{
const String *const str = (const String *)lua_touserdata(lstate, 1);
const linenr_T *const range = (const linenr_T *)lua_touserdata(lstate, 2);
lua_pop(lstate, 1);
lua_pop(lstate, 2);
#define DOSTART "return function(line, linenr) "
#define DOEND " end"
@@ -225,6 +225,26 @@ static int nlua_exec_luado_string(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL
return 0;
}
/// Evaluate lua file
///
/// Expects one value on the stack: file to evaluate. Always returns nothing
/// (from the lua point of view).
static int nlua_exec_lua_file(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL
{
const char *const filename = (const char *)lua_touserdata(lstate, 1);
lua_pop(lstate, 1);
if (luaL_loadfile(lstate, filename)) {
nlua_error(lstate, _("E5112: Error while creating lua chunk: %.*s"));
return 0;
}
if (lua_pcall(lstate, 0, 0, 0)) {
nlua_error(lstate, _("E5113: Error while calling lua chunk: %.*s"));
return 0;
}
return 0;
}
/// Initialize lua interpreter state
///
/// Called by lua interpreter itself to initialize state.
@@ -402,3 +422,18 @@ void ex_luado(exarg_T *const eap)
NLUA_CALL_C_FUNCTION_2(global_lstate, nlua_exec_luado_string, 0,
(void *)&cmd, (void *)range);
}
/// Run lua file
///
/// Used for :luafile.
///
/// @param eap VimL command being run.
void ex_luafile(exarg_T *const eap)
FUNC_ATTR_NONNULL_ALL
{
if (global_lstate == NULL) {
global_lstate = init_lua();
}
NLUA_CALL_C_FUNCTION_1(global_lstate, nlua_exec_lua_file, 0,
(void *)eap->arg);
}