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-rw-r--r--!NotAdopted/SmartAutoReplier/lualib/ltm.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/!NotAdopted/SmartAutoReplier/lualib/ltm.c b/!NotAdopted/SmartAutoReplier/lualib/ltm.c
new file mode 100644
index 0000000000..1b3e515e57
--- /dev/null
+++ b/!NotAdopted/SmartAutoReplier/lualib/ltm.c
@@ -0,0 +1,70 @@
+/*
+** $Id: ltm.c,v 1.106 2003/04/03 13:35:34 roberto Exp $
+** Tag methods
+** See Copyright Notice in lua.h
+*/
+
+
+#include <string.h>
+
+#define ltm_c
+
+#include "lua.h"
+
+#include "lobject.h"
+#include "lstate.h"
+#include "lstring.h"
+#include "ltable.h"
+#include "ltm.h"
+
+
+
+const char *const luaT_typenames[] = {
+ "nil", "boolean", "userdata", "number",
+ "string", "table", "function", "userdata", "thread"
+};
+
+
+void luaT_init (lua_State *L) {
+ static const char *const luaT_eventname[] = { /* ORDER TM */
+ "__index", "__newindex",
+ "__gc", "__mode", "__eq",
+ "__add", "__sub", "__mul", "__div",
+ "__pow", "__unm", "__lt", "__le",
+ "__concat", "__call"
+ };
+ int i;
+ for (i=0; i<TM_N; i++) {
+ G(L)->tmname[i] = luaS_new(L, luaT_eventname[i]);
+ luaS_fix(G(L)->tmname[i]); /* never collect these names */
+ }
+}
+
+
+/*
+** function to be used with macro "fasttm": optimized for absence of
+** tag methods
+*/
+const TObject *luaT_gettm (Table *events, TMS event, TString *ename) {
+ const TObject *tm = luaH_getstr(events, ename);
+ lua_assert(event <= TM_EQ);
+ if (ttisnil(tm)) { /* no tag method? */
+ events->flags |= cast(lu_byte, 1u<<event); /* cache this fact */
+ return NULL;
+ }
+ else return tm;
+}
+
+
+const TObject *luaT_gettmbyobj (lua_State *L, const TObject *o, TMS event) {
+ TString *ename = G(L)->tmname[event];
+ switch (ttype(o)) {
+ case LUA_TTABLE:
+ return luaH_getstr(hvalue(o)->metatable, ename);
+ case LUA_TUSERDATA:
+ return luaH_getstr(uvalue(o)->uv.metatable, ename);
+ default:
+ return &luaO_nilobject;
+ }
+}
+