feat(lua): low-level interpreter mode (nvim -ll)

1 files changed, 14 insertions, 2 deletions

diff --git a/src/nvim/main.c b/src/nvim/main.c
index bbe877356d..8df82c710a 100644
--- a/src/nvim/main.c
+++ b/src/nvim/main.c
@@ -239,6 +239,14 @@ int main(int argc, char **argv)
 
   argv0 = argv[0];
 
+  if (argc > 1 && STRICMP(argv[1], "-ll") == 0) {
+    if (argc == 2) {
+      print_mainerr(err_arg_missing, argv[1]);
+      exit(1);
+    }
+    nlua_run_script(argv, argc, 3);
+  }
+
   char *fname = NULL;     // file name from command line
   mparm_T params;         // various parameters passed between
                           // main() and other functions.
@@ -2111,6 +2119,12 @@ static int execute_env(char *env)
 static void mainerr(const char *errstr, const char *str)
   FUNC_ATTR_NORETURN
 {
+  print_mainerr(errstr, str);
+  os_exit(1);
+}
+
+static void print_mainerr(const char *errstr, const char *str)
+{
   char *prgname = path_tail(argv0);
 
   signal_stop();              // kill us with CTRL-C here, if you like
@@ -2126,8 +2140,6 @@ static void mainerr(const char *errstr, const char *str)
   os_errmsg(_("\nMore info with \""));
   os_errmsg(prgname);
   os_errmsg(" -h\"\n");
-
-  os_exit(1);
 }
 
 /// Prints version information for "nvim -v" or "nvim --version".