COMMON: Move Lua into Common and make it into...

an engine feature

1 files changed, 54 insertions, 0 deletions

diff --git a/common/lua/ltm.h b/common/lua/ltm.h
new file mode 100644
index 0000000000..1b89683ef3
--- /dev/null
+++ b/common/lua/ltm.h
@@ -0,0 +1,54 @@
+/*
+** $Id$
+** Tag methods
+** See Copyright Notice in lua.h
+*/
+
+#ifndef ltm_h
+#define ltm_h
+
+
+#include "lobject.h"
+
+
+/*
+* WARNING: if you change the order of this enumeration,
+* grep "ORDER TM"
+*/
+typedef enum {
+  TM_INDEX,
+  TM_NEWINDEX,
+  TM_GC,
+  TM_MODE,
+  TM_EQ,  /* last tag method with `fast' access */
+  TM_ADD,
+  TM_SUB,
+  TM_MUL,
+  TM_DIV,
+  TM_MOD,
+  TM_POW,
+  TM_UNM,
+  TM_LEN,
+  TM_LT,
+  TM_LE,
+  TM_CONCAT,
+  TM_CALL,
+  TM_N		/* number of elements in the enum */
+} TMS;
+
+
+
+#define gfasttm(g,et,e) ((et) == NULL ? NULL : \
+  ((et)->flags & (1u<<(e))) ? NULL : luaT_gettm(et, e, (g)->tmname[e]))
+
+#define fasttm(l,et,e)	gfasttm(G(l), et, e)
+
+LUAI_DATA const char *const luaT_typenames[];
+
+
+LUAI_FUNC const TValue *luaT_gettm (Table *events, TMS event, TString *ename);
+LUAI_FUNC const TValue *luaT_gettmbyobj (lua_State *L, const TValue *o,
+                                                       TMS event);
+LUAI_FUNC void luaT_init (lua_State *L);
+
+#endif