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lua: Simplify get_event function.

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Use luaL_checkoption which is designed for this purpose.
This commit is contained in:
Richard W.M. Jones
2012-11-20 09:10:15 +00:00
parent fdfdc883fc
commit b5b475ab82
1 changed files with 12 additions and 21 deletions
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33
generator/lua.ml
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@@ -676,6 +676,16 @@ push_int64_array (lua_State *L, const int64_t *array, size_t len)
(* Code to handle events. *)
pr "\
static const char *event_all[] = {
";
List.iter (
fun (event, _) -> pr " \"%s\",\n" event
) events;
pr " NULL
};
static uint64_t
get_event_bitmask (lua_State *L, int index)
{
@@ -699,18 +709,9 @@ get_event_bitmask (lua_State *L, int index)
static uint64_t
get_event (lua_State *L, int index)
{
const char *s;
int r = luaL_checkoption (L, index, NULL, event_all);
s = luaL_checkstring (L, index);
";
List.iter (
fun (event, i) ->
pr " if (strcmp (s, \"%s\") == 0)\n" event;
pr " return %d;\n" i
) events;
pr " return luaL_error (L, \"unknown event name '%%s'\", s);
return UINT64_C(1) << r;
}
static void
@@ -729,16 +730,6 @@ push_event (lua_State *L, uint64_t event)
pr " abort (); /* should never happen */
}
static const char *event_all[] = {
";
List.iter (
fun (event, _) -> pr " \"%s\",\n" event
) events;
pr " NULL
};
";
(* Code to push structs. *)