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@@ -1,5 +1,5 @@
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/*
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-** $Id: lapi.c,v 2.223 2014/06/30 19:48:08 roberto Exp roberto $
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+** $Id: lapi.c,v 2.224 2014/07/15 21:14:49 roberto Exp roberto $
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** Lua API
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** See Copyright Notice in lua.h
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*/
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@@ -47,29 +47,29 @@ const char lua_ident[] =
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/* test for valid but not pseudo index */
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#define isstackindex(i, o) (isvalid(o) && !ispseudo(i))
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-#define api_checkvalidindex(L, o) api_check(L, isvalid(o), "invalid index")
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+#define api_checkvalidindex(o) api_check(isvalid(o), "invalid index")
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-#define api_checkstackindex(L, i, o) \
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- api_check(L, isstackindex(i, o), "index not in the stack")
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+#define api_checkstackindex(i, o) \
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+ api_check(isstackindex(i, o), "index not in the stack")
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static TValue *index2addr (lua_State *L, int idx) {
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CallInfo *ci = L->ci;
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if (idx > 0) {
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TValue *o = ci->func + idx;
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- api_check(L, idx <= ci->top - (ci->func + 1), "unacceptable index");
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+ api_check(idx <= ci->top - (ci->func + 1), "unacceptable index");
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if (o >= L->top) return NONVALIDVALUE;
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else return o;
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}
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else if (!ispseudo(idx)) { /* negative index */
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- api_check(L, idx != 0 && -idx <= L->top - (ci->func + 1), "invalid index");
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+ api_check(idx != 0 && -idx <= L->top - (ci->func + 1), "invalid index");
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return L->top + idx;
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}
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else if (idx == LUA_REGISTRYINDEX)
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return &G(L)->l_registry;
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else { /* upvalues */
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idx = LUA_REGISTRYINDEX - idx;
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- api_check(L, idx <= MAXUPVAL + 1, "upvalue index too large");
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+ api_check(idx <= MAXUPVAL + 1, "upvalue index too large");
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if (ttislcf(ci->func)) /* light C function? */
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return NONVALIDVALUE; /* it has no upvalues */
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else {
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@@ -94,7 +94,7 @@ LUA_API int lua_checkstack (lua_State *L, int size) {
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int res;
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CallInfo *ci = L->ci;
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lua_lock(L);
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- api_check(L, size >= 0, "negative 'size'");
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+ api_check(size >= 0, "negative 'size'");
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if (L->stack_last - L->top > size) /* stack large enough? */
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res = 1; /* yes; check is OK */
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else { /* no; need to grow stack */
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@@ -116,8 +116,8 @@ LUA_API void lua_xmove (lua_State *from, lua_State *to, int n) {
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if (from == to) return;
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lua_lock(to);
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api_checknelems(from, n);
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- api_check(from, G(from) == G(to), "moving among independent states");
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- api_check(from, to->ci->top - to->top >= n, "not enough elements to move");
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+ api_check(G(from) == G(to), "moving among independent states");
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+ api_check(to->ci->top - to->top >= n, "not enough elements to move");
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from->top -= n;
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for (i = 0; i < n; i++) {
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setobj2s(to, to->top++, from->top + i);
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@@ -168,13 +168,13 @@ LUA_API void lua_settop (lua_State *L, int idx) {
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StkId func = L->ci->func;
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lua_lock(L);
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if (idx >= 0) {
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- api_check(L, idx <= L->stack_last - (func + 1), "new top too large");
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+ api_check(idx <= L->stack_last - (func + 1), "new top too large");
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while (L->top < (func + 1) + idx)
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setnilvalue(L->top++);
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L->top = (func + 1) + idx;
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}
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else {
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- api_check(L, -(idx+1) <= (L->top - (func + 1)), "invalid new top");
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+ api_check(-(idx+1) <= (L->top - (func + 1)), "invalid new top");
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L->top += idx+1; /* `subtract' index (index is negative) */
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}
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lua_unlock(L);
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@@ -204,8 +204,8 @@ LUA_API void lua_rotate (lua_State *L, int idx, int n) {
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lua_lock(L);
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t = L->top - 1; /* end of stack segment being rotated */
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p = index2addr(L, idx); /* start of segment */
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- api_checkstackindex(L, idx, p);
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- api_check(L, (n >= 0 ? n : -n) <= (t - p + 1), "invalid 'n'");
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+ api_checkstackindex(idx, p);
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+ api_check((n >= 0 ? n : -n) <= (t - p + 1), "invalid 'n'");
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m = (n >= 0 ? t - n : p - n - 1); /* end of prefix */
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reverse(L, p, m); /* reverse the prefix with length 'n' */
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reverse(L, m + 1, t); /* reverse the suffix */
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@@ -216,7 +216,7 @@ LUA_API void lua_rotate (lua_State *L, int idx, int n) {
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static void moveto (lua_State *L, TValue *fr, int idx) {
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TValue *to = index2addr(L, idx);
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- api_checkvalidindex(L, to);
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+ api_checkvalidindex(to);
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setobj(L, to, fr);
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if (idx < LUA_REGISTRYINDEX) /* function upvalue? */
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luaC_barrier(L, clCvalue(L->ci->func), fr);
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@@ -264,8 +264,8 @@ LUA_API int lua_type (lua_State *L, int idx) {
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LUA_API const char *lua_typename (lua_State *L, int t) {
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- (void)L;
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- api_check(L, LUA_TNONE <= t && t < LUA_NUMTAGS, "invalid tag");
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+ UNUSED(L);
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+ api_check(LUA_TNONE <= t && t < LUA_NUMTAGS, "invalid tag");
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return ttypename(t);
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}
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@@ -335,7 +335,7 @@ LUA_API int lua_compare (lua_State *L, int index1, int index2, int op) {
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case LUA_OPEQ: i = luaV_equalobj(L, o1, o2); break;
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case LUA_OPLT: i = luaV_lessthan(L, o1, o2); break;
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case LUA_OPLE: i = luaV_lessequal(L, o1, o2); break;
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- default: api_check(L, 0, "invalid option");
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+ default: api_check(0, "invalid option");
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}
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}
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lua_unlock(L);
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@@ -541,7 +541,7 @@ LUA_API void lua_pushcclosure (lua_State *L, lua_CFunction fn, int n) {
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else {
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CClosure *cl;
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api_checknelems(L, n);
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- api_check(L, n <= MAXUPVAL, "upvalue index too large");
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+ api_check(n <= MAXUPVAL, "upvalue index too large");
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luaC_checkGC(L);
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cl = luaF_newCclosure(L, n);
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cl->f = fn;
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@@ -626,7 +626,7 @@ LUA_API int lua_rawget (lua_State *L, int idx) {
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StkId t;
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lua_lock(L);
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t = index2addr(L, idx);
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- api_check(L, ttistable(t), "table expected");
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+ api_check(ttistable(t), "table expected");
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setobj2s(L, L->top - 1, luaH_get(hvalue(t), L->top - 1));
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lua_unlock(L);
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return ttnov(L->top - 1);
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@@ -637,7 +637,7 @@ LUA_API int lua_rawgeti (lua_State *L, int idx, lua_Integer n) {
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StkId t;
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lua_lock(L);
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t = index2addr(L, idx);
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- api_check(L, ttistable(t), "table expected");
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+ api_check(ttistable(t), "table expected");
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setobj2s(L, L->top, luaH_getint(hvalue(t), n));
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api_incr_top(L);
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lua_unlock(L);
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@@ -650,7 +650,7 @@ LUA_API int lua_rawgetp (lua_State *L, int idx, const void *p) {
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TValue k;
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lua_lock(L);
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t = index2addr(L, idx);
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- api_check(L, ttistable(t), "table expected");
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+ api_check(ttistable(t), "table expected");
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setpvalue(&k, cast(void *, p));
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setobj2s(L, L->top, luaH_get(hvalue(t), &k));
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api_incr_top(L);
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@@ -705,7 +705,7 @@ LUA_API int lua_getuservalue (lua_State *L, int idx) {
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StkId o;
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lua_lock(L);
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o = index2addr(L, idx);
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- api_check(L, ttisfulluserdata(o), "full userdata expected");
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+ api_check(ttisfulluserdata(o), "full userdata expected");
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getuservalue(L, rawuvalue(o), L->top);
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api_incr_top(L);
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lua_unlock(L);
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@@ -759,7 +759,7 @@ LUA_API void lua_rawset (lua_State *L, int idx) {
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lua_lock(L);
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api_checknelems(L, 2);
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t = index2addr(L, idx);
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- api_check(L, ttistable(t), "table expected");
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+ api_check(ttistable(t), "table expected");
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setobj2t(L, luaH_set(L, hvalue(t), L->top-2), L->top-1);
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invalidateTMcache(hvalue(t));
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luaC_barrierback(L, gcvalue(t), L->top-1);
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@@ -773,7 +773,7 @@ LUA_API void lua_rawseti (lua_State *L, int idx, lua_Integer n) {
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lua_lock(L);
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api_checknelems(L, 1);
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t = index2addr(L, idx);
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- api_check(L, ttistable(t), "table expected");
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+ api_check(ttistable(t), "table expected");
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luaH_setint(L, hvalue(t), n, L->top - 1);
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luaC_barrierback(L, gcvalue(t), L->top-1);
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L->top--;
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@@ -787,7 +787,7 @@ LUA_API void lua_rawsetp (lua_State *L, int idx, const void *p) {
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lua_lock(L);
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api_checknelems(L, 1);
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t = index2addr(L, idx);
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- api_check(L, ttistable(t), "table expected");
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+ api_check(ttistable(t), "table expected");
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setpvalue(&k, cast(void *, p));
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setobj2t(L, luaH_set(L, hvalue(t), &k), L->top - 1);
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luaC_barrierback(L, gcvalue(t), L->top - 1);
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@@ -805,7 +805,7 @@ LUA_API int lua_setmetatable (lua_State *L, int objindex) {
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if (ttisnil(L->top - 1))
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mt = NULL;
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else {
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- api_check(L, ttistable(L->top - 1), "table expected");
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+ api_check(ttistable(L->top - 1), "table expected");
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mt = hvalue(L->top - 1);
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}
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switch (ttnov(obj)) {
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@@ -841,7 +841,7 @@ LUA_API void lua_setuservalue (lua_State *L, int idx) {
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lua_lock(L);
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api_checknelems(L, 1);
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o = index2addr(L, idx);
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- api_check(L, ttisfulluserdata(o), "full userdata expected");
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+ api_check(ttisfulluserdata(o), "full userdata expected");
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setuservalue(L, rawuvalue(o), L->top - 1);
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luaC_barrier(L, gcvalue(o), L->top - 1);
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L->top--;
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@@ -855,7 +855,7 @@ LUA_API void lua_setuservalue (lua_State *L, int idx) {
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#define checkresults(L,na,nr) \
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- api_check(L, (nr) == LUA_MULTRET || (L->ci->top - L->top >= (nr) - (na)), \
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+ api_check((nr) == LUA_MULTRET || (L->ci->top - L->top >= (nr) - (na)), \
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"results from function overflow current stack size")
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@@ -863,10 +863,10 @@ LUA_API void lua_callk (lua_State *L, int nargs, int nresults, int ctx,
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lua_KFunction k) {
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StkId func;
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lua_lock(L);
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- api_check(L, k == NULL || !isLua(L->ci),
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+ api_check(k == NULL || !isLua(L->ci),
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"cannot use continuations inside hooks");
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api_checknelems(L, nargs+1);
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- api_check(L, L->status == LUA_OK, "cannot do calls on non-normal thread");
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+ api_check(L->status == LUA_OK, "cannot do calls on non-normal thread");
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checkresults(L, nargs, nresults);
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func = L->top - (nargs+1);
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if (k != NULL && L->nny == 0) { /* need to prepare continuation? */
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@@ -904,16 +904,16 @@ LUA_API int lua_pcallk (lua_State *L, int nargs, int nresults, int errfunc,
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int status;
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ptrdiff_t func;
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lua_lock(L);
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- api_check(L, k == NULL || !isLua(L->ci),
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+ api_check(k == NULL || !isLua(L->ci),
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"cannot use continuations inside hooks");
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api_checknelems(L, nargs+1);
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- api_check(L, L->status == LUA_OK, "cannot do calls on non-normal thread");
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+ api_check(L->status == LUA_OK, "cannot do calls on non-normal thread");
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checkresults(L, nargs, nresults);
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if (errfunc == 0)
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func = 0;
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else {
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StkId o = index2addr(L, errfunc);
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- api_checkstackindex(L, errfunc, o);
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+ api_checkstackindex(errfunc, o);
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func = savestack(L, o);
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}
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c.func = L->top - (nargs+1); /* function to be called */
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@@ -1078,7 +1078,7 @@ LUA_API int lua_next (lua_State *L, int idx) {
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int more;
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lua_lock(L);
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t = index2addr(L, idx);
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- api_check(L, ttistable(t), "table expected");
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+ api_check(ttistable(t), "table expected");
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more = luaH_next(L, hvalue(t), L->top - 1);
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if (more) {
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api_incr_top(L);
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@@ -1210,9 +1210,9 @@ LUA_API const char *lua_setupvalue (lua_State *L, int funcindex, int n) {
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static UpVal **getupvalref (lua_State *L, int fidx, int n, LClosure **pf) {
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LClosure *f;
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StkId fi = index2addr(L, fidx);
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- api_check(L, ttisLclosure(fi), "Lua function expected");
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+ api_check(ttisLclosure(fi), "Lua function expected");
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f = clLvalue(fi);
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- api_check(L, (1 <= n && n <= f->p->sizeupvalues), "invalid upvalue index");
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+ api_check((1 <= n && n <= f->p->sizeupvalues), "invalid upvalue index");
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if (pf) *pf = f;
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return &f->upvals[n - 1]; /* get its upvalue pointer */
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}
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@@ -1226,11 +1226,11 @@ LUA_API void *lua_upvalueid (lua_State *L, int fidx, int n) {
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}
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case LUA_TCCL: { /* C closure */
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CClosure *f = clCvalue(fi);
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- api_check(L, 1 <= n && n <= f->nupvalues, "invalid upvalue index");
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+ api_check(1 <= n && n <= f->nupvalues, "invalid upvalue index");
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return &f->upvalue[n - 1];
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}
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default: {
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- api_check(L, 0, "closure expected");
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+ api_check(0, "closure expected");
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return NULL;
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}
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}
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