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LuaSession: allow multi-line commands and functions

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This commit is contained in:
Robin Gareus 2018-11-12 23:14:48 +01:00
parent 9b2612f686
commit f83e87cf3b
1 changed files with 37 additions and 1 deletions
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38
tools/luadevel/luasession.cc
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@ -398,6 +398,19 @@ static void setup_lua ()
AudioEngine::instance ()->stop (); AudioEngine::instance ()->stop ();
} }
static int
incomplete (lua_State* L, int status) {
if (status == LUA_ERRSYNTAX) {
size_t lmsg;
const char *msg = lua_tolstring (L, -1, &lmsg);
if (lmsg >= 5 && strcmp(msg + lmsg - 5, "<eof>") == 0) {
lua_pop(L, 1);
return 1;
}
}
return 0;
}
int main (int argc, char **argv) int main (int argc, char **argv)
{ {
init (); init ();
@ -406,6 +419,7 @@ int main (int argc, char **argv)
using_history (); using_history ();
std::string histfile = Glib::build_filename (user_config_directory(), "/luahist"); std::string histfile = Glib::build_filename (user_config_directory(), "/luahist");
rl_bind_key ('\t', rl_insert); // disable completion
read_history (histfile.c_str()); read_history (histfile.c_str());
char *line = NULL; char *line = NULL;
@ -421,8 +435,30 @@ int main (int argc, char **argv)
continue; continue;
} }
do {
LuaState lt;
lua_State* L = lt.getState ();
int status = luaL_loadbuffer (L, line, strlen(line), "=stdin");
if (!incomplete (L, status)) {
break;
}
char *l2 = readline (">> ");
if (!l2) {
break;
}
if (strlen (l2) == 0) {
continue;
}
line = (char*) realloc ((void*)line, (strlen(line) + strlen (l2) + 2) * sizeof(char));
strcat (line, "\n");
strcat (line, l2);
free (l2);
} while (1);
if (lua->do_command (line)) { if (lua->do_command (line)) {
// error /* error */
free (line); line = NULL;
continue;
} }
add_history (line); add_history (line);