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Diffstat (limited to 'Build/source/libs/luajit/LuaJIT-src/src/lj_api.c')
-rw-r--r--Build/source/libs/luajit/LuaJIT-src/src/lj_api.c115
1 files changed, 97 insertions, 18 deletions
diff --git a/Build/source/libs/luajit/LuaJIT-src/src/lj_api.c b/Build/source/libs/luajit/LuaJIT-src/src/lj_api.c
index 0fbb9256343..d17a5754d40 100644
--- a/Build/source/libs/luajit/LuaJIT-src/src/lj_api.c
+++ b/Build/source/libs/luajit/LuaJIT-src/src/lj_api.c
@@ -1,6 +1,6 @@
/*
** Public Lua/C API.
-** Copyright (C) 2005-2016 Mike Pall. See Copyright Notice in luajit.h
+** Copyright (C) 2005-2017 Mike Pall. See Copyright Notice in luajit.h
**
** Major portions taken verbatim or adapted from the Lua interpreter.
** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h
@@ -112,6 +112,13 @@ LUA_API void lua_xmove(lua_State *from, lua_State *to, int n)
from->top = f;
}
+LUA_API const lua_Number *lua_version(lua_State *L)
+{
+ static const lua_Number version = LUA_VERSION_NUM;
+ UNUSED(L);
+ return &version;
+}
+
/* -- Stack manipulation -------------------------------------------------- */
LUA_API int lua_gettop(lua_State *L)
@@ -152,30 +159,40 @@ LUA_API void lua_insert(lua_State *L, int idx)
copyTV(L, p, L->top);
}
-LUA_API void lua_replace(lua_State *L, int idx)
+static void copy_slot(lua_State *L, TValue *f, int idx)
{
- api_checknelems(L, 1);
if (idx == LUA_GLOBALSINDEX) {
- api_check(L, tvistab(L->top-1));
+ api_check(L, tvistab(f));
/* NOBARRIER: A thread (i.e. L) is never black. */
- setgcref(L->env, obj2gco(tabV(L->top-1)));
+ setgcref(L->env, obj2gco(tabV(f)));
} else if (idx == LUA_ENVIRONINDEX) {
GCfunc *fn = curr_func(L);
if (fn->c.gct != ~LJ_TFUNC)
lj_err_msg(L, LJ_ERR_NOENV);
- api_check(L, tvistab(L->top-1));
- setgcref(fn->c.env, obj2gco(tabV(L->top-1)));
- lj_gc_barrier(L, fn, L->top-1);
+ api_check(L, tvistab(f));
+ setgcref(fn->c.env, obj2gco(tabV(f)));
+ lj_gc_barrier(L, fn, f);
} else {
TValue *o = index2adr(L, idx);
api_checkvalidindex(L, o);
- copyTV(L, o, L->top-1);
+ copyTV(L, o, f);
if (idx < LUA_GLOBALSINDEX) /* Need a barrier for upvalues. */
- lj_gc_barrier(L, curr_func(L), L->top-1);
+ lj_gc_barrier(L, curr_func(L), f);
}
+}
+
+LUA_API void lua_replace(lua_State *L, int idx)
+{
+ api_checknelems(L, 1);
+ copy_slot(L, L->top - 1, idx);
L->top--;
}
+LUA_API void lua_copy(lua_State *L, int fromidx, int toidx)
+{
+ copy_slot(L, index2adr(L, fromidx), toidx);
+}
+
LUA_API void lua_pushvalue(lua_State *L, int idx)
{
copyTV(L, L->top, index2adr(L, idx));
@@ -325,6 +342,22 @@ LUA_API lua_Number lua_tonumber(lua_State *L, int idx)
return 0;
}
+LUA_API lua_Number lua_tonumberx(lua_State *L, int idx, int *ok)
+{
+ cTValue *o = index2adr(L, idx);
+ TValue tmp;
+ if (LJ_LIKELY(tvisnumber(o))) {
+ if (ok) *ok = 1;
+ return numberVnum(o);
+ } else if (tvisstr(o) && lj_strscan_num(strV(o), &tmp)) {
+ if (ok) *ok = 1;
+ return numV(&tmp);
+ } else {
+ if (ok) *ok = 0;
+ return 0;
+ }
+}
+
LUALIB_API lua_Number luaL_checknumber(lua_State *L, int idx)
{
cTValue *o = index2adr(L, idx);
@@ -362,7 +395,7 @@ LUA_API lua_Integer lua_tointeger(lua_State *L, int idx)
if (!(tvisstr(o) && lj_strscan_number(strV(o), &tmp)))
return 0;
if (tvisint(&tmp))
- return (lua_Integer)intV(&tmp);
+ return intV(&tmp);
n = numV(&tmp);
}
#if LJ_64
@@ -372,6 +405,35 @@ LUA_API lua_Integer lua_tointeger(lua_State *L, int idx)
#endif
}
+LUA_API lua_Integer lua_tointegerx(lua_State *L, int idx, int *ok)
+{
+ cTValue *o = index2adr(L, idx);
+ TValue tmp;
+ lua_Number n;
+ if (LJ_LIKELY(tvisint(o))) {
+ if (ok) *ok = 1;
+ return intV(o);
+ } else if (LJ_LIKELY(tvisnum(o))) {
+ n = numV(o);
+ } else {
+ if (!(tvisstr(o) && lj_strscan_number(strV(o), &tmp))) {
+ if (ok) *ok = 0;
+ return 0;
+ }
+ if (tvisint(&tmp)) {
+ if (ok) *ok = 1;
+ return intV(&tmp);
+ }
+ n = numV(&tmp);
+ }
+ if (ok) *ok = 1;
+#if LJ_64
+ return (lua_Integer)n;
+#else
+ return lj_num2int(n);
+#endif
+}
+
LUALIB_API lua_Integer luaL_checkinteger(lua_State *L, int idx)
{
cTValue *o = index2adr(L, idx);
@@ -858,7 +920,7 @@ LUA_API void lua_upvaluejoin(lua_State *L, int idx1, int n1, int idx2, int n2)
lj_gc_objbarrier(L, fn1, gcref(fn1->l.uvptr[n1]));
}
-LUALIB_API void *luaL_checkudata(lua_State *L, int idx, const char *tname)
+LUALIB_API void *luaL_testudata(lua_State *L, int idx, const char *tname)
{
cTValue *o = index2adr(L, idx);
if (tvisudata(o)) {
@@ -867,8 +929,14 @@ LUALIB_API void *luaL_checkudata(lua_State *L, int idx, const char *tname)
if (tv && tvistab(tv) && tabV(tv) == tabref(ud->metatable))
return uddata(ud);
}
- lj_err_argtype(L, idx, tname);
- return NULL; /* unreachable */
+ return NULL; /* value is not a userdata with a metatable */
+}
+
+LUALIB_API void *luaL_checkudata(lua_State *L, int idx, const char *tname)
+{
+ void *p = luaL_testudata(L, idx, tname);
+ if (!p) lj_err_argtype(L, idx, tname);
+ return p;
}
/* -- Object setters ------------------------------------------------------ */
@@ -977,6 +1045,12 @@ LUA_API int lua_setmetatable(lua_State *L, int idx)
return 1;
}
+LUALIB_API void luaL_setmetatable(lua_State *L, const char *tname)
+{
+ lua_getfield(L, LUA_REGISTRYINDEX, tname);
+ lua_setmetatable(L, -2);
+}
+
LUA_API int lua_setfenv(lua_State *L, int idx)
{
cTValue *o = index2adr(L, idx);
@@ -1032,7 +1106,7 @@ static TValue *api_call_base(lua_State *L, int nargs)
LUA_API void lua_call(lua_State *L, int nargs, int nresults)
{
- api_check(L, L->status == 0 || L->status == LUA_ERRERR);
+ api_check(L, L->status == LUA_OK || L->status == LUA_ERRERR);
api_checknelems(L, nargs+1);
lj_vm_call(L, api_call_base(L, nargs), nresults+1);
}
@@ -1043,7 +1117,7 @@ LUA_API int lua_pcall(lua_State *L, int nargs, int nresults, int errfunc)
uint8_t oldh = hook_save(g);
ptrdiff_t ef;
int status;
- api_check(L, L->status == 0 || L->status == LUA_ERRERR);
+ api_check(L, L->status == LUA_OK || L->status == LUA_ERRERR);
api_checknelems(L, nargs+1);
if (errfunc == 0) {
ef = 0;
@@ -1075,7 +1149,7 @@ LUA_API int lua_cpcall(lua_State *L, lua_CFunction func, void *ud)
global_State *g = G(L);
uint8_t oldh = hook_save(g);
int status;
- api_check(L, L->status == 0 || L->status == LUA_ERRERR);
+ api_check(L, L->status == LUA_OK || L->status == LUA_ERRERR);
status = lj_vm_cpcall(L, func, ud, cpcall);
if (status) hook_restore(g, oldh);
return status;
@@ -1096,6 +1170,11 @@ LUALIB_API int luaL_callmeta(lua_State *L, int idx, const char *field)
/* -- Coroutine yield and resume ------------------------------------------ */
+LUA_API int lua_isyieldable(lua_State *L)
+{
+ return cframe_canyield(L->cframe);
+}
+
LUA_API int lua_yield(lua_State *L, int nresults)
{
void *cf = L->cframe;
@@ -1140,7 +1219,7 @@ LUA_API int lua_resume(lua_State *L, int nargs)
{
if (L->cframe == NULL && L->status <= LUA_YIELD)
return lj_vm_resume(L,
- L->status == 0 ? api_call_base(L, nargs) : L->top - nargs,
+ L->status == LUA_OK ? api_call_base(L, nargs) : L->top - nargs,
0, 0);
L->top = L->base;
setstrV(L, L->top, lj_err_str(L, LJ_ERR_COSUSP));