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-rw-r--r--source/luametatex/source/luacore/lua54/src/lfunc.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/source/luametatex/source/luacore/lua54/src/lfunc.h b/source/luametatex/source/luacore/lua54/src/lfunc.h
new file mode 100644
index 000000000..3d296971e
--- /dev/null
+++ b/source/luametatex/source/luacore/lua54/src/lfunc.h
@@ -0,0 +1,64 @@
+/*
+** $Id: lfunc.h $
+** Auxiliary functions to manipulate prototypes and closures
+** See Copyright Notice in lua.h
+*/
+
+#ifndef lfunc_h
+#define lfunc_h
+
+
+#include "lobject.h"
+
+
+#define sizeCclosure(n) (cast_int(offsetof(CClosure, upvalue)) + \
+ cast_int(sizeof(TValue)) * (n))
+
+#define sizeLclosure(n) (cast_int(offsetof(LClosure, upvals)) + \
+ cast_int(sizeof(TValue *)) * (n))
+
+
+/* test whether thread is in 'twups' list */
+#define isintwups(L) (L->twups != L)
+
+
+/*
+** maximum number of upvalues in a closure (both C and Lua). (Value
+** must fit in a VM register.)
+*/
+#define MAXUPVAL 255
+
+
+#define upisopen(up) ((up)->v != &(up)->u.value)
+
+
+#define uplevel(up) check_exp(upisopen(up), cast(StkId, (up)->v))
+
+
+/*
+** maximum number of misses before giving up the cache of closures
+** in prototypes
+*/
+#define MAXMISS 10
+
+
+
+/* special status to close upvalues preserving the top of the stack */
+#define CLOSEKTOP (-1)
+
+
+LUAI_FUNC Proto *luaF_newproto (lua_State *L);
+LUAI_FUNC CClosure *luaF_newCclosure (lua_State *L, int nupvals);
+LUAI_FUNC LClosure *luaF_newLclosure (lua_State *L, int nupvals);
+LUAI_FUNC void luaF_initupvals (lua_State *L, LClosure *cl);
+LUAI_FUNC UpVal *luaF_findupval (lua_State *L, StkId level);
+LUAI_FUNC void luaF_newtbcupval (lua_State *L, StkId level);
+LUAI_FUNC void luaF_closeupval (lua_State *L, StkId level);
+LUAI_FUNC StkId luaF_close (lua_State *L, StkId level, int status, int yy);
+LUAI_FUNC void luaF_unlinkupval (UpVal *uv);
+LUAI_FUNC void luaF_freeproto (lua_State *L, Proto *f);
+LUAI_FUNC const char *luaF_getlocalname (const Proto *func, int local_number,
+ int pc);
+
+
+#endif