RELEASE LuaJIT-2.0.0-beta1v2.0.0-beta1

1 files changed, 33 insertions, 0 deletions

diff --git a/src/lj_meta.h b/src/lj_meta.h
new file mode 100644
index 00000000..60d1e79e
--- /dev/null
+++ b/src/lj_meta.h
@@ -0,0 +1,33 @@
+/*
+** Metamethod handling.
+** Copyright (C) 2005-2009 Mike Pall. See Copyright Notice in luajit.h
+*/
+
+#ifndef _LJ_META_H
+#define _LJ_META_H
+
+#include "lj_obj.h"
+
+/* Metamethod handling */
+LJ_FUNC void lj_meta_init(lua_State *L);
+LJ_FUNC cTValue *lj_meta_cache(GCtab *mt, MMS mm, GCstr *name);
+LJ_FUNC cTValue *lj_meta_lookup(lua_State *L, cTValue *o, MMS mm);
+
+#define lj_meta_fastg(g, mt, mm) \
+  ((mt) == NULL ? NULL : ((mt)->nomm & (1u<<(mm))) ? NULL : \
+   lj_meta_cache(mt, mm, strref((g)->mmname[mm])))
+#define lj_meta_fast(L, mt, mm) lj_meta_fastg(G(L), mt, mm)
+
+/* C helpers for some instructions, called from assembler VM. */
+LJ_FUNCA cTValue *lj_meta_tget(lua_State *L, cTValue *o, cTValue *k);
+LJ_FUNCA TValue *lj_meta_tset(lua_State *L, cTValue *o, cTValue *k);
+LJ_FUNCA TValue *lj_meta_arith(lua_State *L, TValue *ra, cTValue *rb,
+                               cTValue *rc, BCReg op);
+LJ_FUNCA TValue *lj_meta_cat(lua_State *L, TValue *top, int left);
+LJ_FUNCA TValue *lj_meta_len(lua_State *L, cTValue *o);
+LJ_FUNCA TValue *lj_meta_equal(lua_State *L, GCobj *o1, GCobj *o2, int ne);
+LJ_FUNCA TValue *lj_meta_comp(lua_State *L, cTValue *o1, cTValue *o2, int op);
+LJ_FUNCA void lj_meta_call(lua_State *L, TValue *func, TValue *top);
+LJ_FUNCA void lj_meta_for(lua_State *L, TValue *base);
+
+#endif