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'math.isfloat' replaced by 'debug.subtype'

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This commit is contained in:
Roberto Ierusalimschy
2013-07-10 17:57:05 -03:00
parent 98d76cdcae
commit fcf99bf788
2 changed files with 35 additions and 10 deletions
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35
ldblib.c
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@@ -1,5 +1,5 @@
/* /*
** $Id: ldblib.c,v 1.132 2012/01/19 20:14:44 roberto Exp roberto $ ** $Id: ldblib.c,v 1.133 2013/06/25 19:37:00 roberto Exp roberto $
** Interface from Lua to its debug API ** Interface from Lua to its debug API
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@@ -34,6 +34,38 @@ static int db_numbits (lua_State *L) {
} }
static int db_subtype (lua_State *L) {
int tp = lua_type(L, 1);
switch (tp) {
case LUA_TNONE:
luaL_checkany(L, 1);
break;
case LUA_TNUMBER:
if (lua_isinteger(L, 1))
lua_pushliteral(L, "integer");
else
lua_pushliteral(L, "float");
break;
case LUA_TFUNCTION:
if (lua_iscfunction(L, 1))
lua_pushliteral(L, "Cfunction");
else
lua_pushliteral(L, "Luafunction");
break;
case LUA_TUSERDATA:
if (lua_islightuserdata(L, 1))
lua_pushliteral(L, "lightudata");
else
lua_pushliteral(L, "fulludata");
break;
default:
lua_pushstring(L, lua_typename(L, tp));
break;
}
return 1;
}
static int db_getregistry (lua_State *L) { static int db_getregistry (lua_State *L) {
lua_pushvalue(L, LUA_REGISTRYINDEX); lua_pushvalue(L, LUA_REGISTRYINDEX);
return 1; return 1;
@@ -399,6 +431,7 @@ static const luaL_Reg dblib[] = {
{"setlocal", db_setlocal}, {"setlocal", db_setlocal},
{"setmetatable", db_setmetatable}, {"setmetatable", db_setmetatable},
{"setupvalue", db_setupvalue}, {"setupvalue", db_setupvalue},
{"subtype", db_subtype},
{"traceback", db_traceback}, {"traceback", db_traceback},
{NULL, NULL} {NULL, NULL}
}; };

10
lmathlib.c
View File

@@ -1,5 +1,5 @@
/* /*
** $Id: lmathlib.c,v 1.89 2013/06/25 19:37:00 roberto Exp roberto $ ** $Id: lmathlib.c,v 1.90 2013/07/03 17:23:19 roberto Exp roberto $
** Standard mathematical library ** Standard mathematical library
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@@ -251,13 +251,6 @@ static int math_randomseed (lua_State *L) {
} }
static int math_isfloat (lua_State *L) {
luaL_checkany(L, 1);
lua_pushboolean(L, (lua_type(L, 1) == LUA_TNUMBER && !lua_isinteger(L, 1)));
return 1;
}
static const luaL_Reg mathlib[] = { static const luaL_Reg mathlib[] = {
{"abs", math_abs}, {"abs", math_abs},
{"acos", math_acos}, {"acos", math_acos},
@@ -273,7 +266,6 @@ static const luaL_Reg mathlib[] = {
{"ifloor", math_ifloor}, {"ifloor", math_ifloor},
{"fmod", math_fmod}, {"fmod", math_fmod},
{"frexp", math_frexp}, {"frexp", math_frexp},
{"isfloat", math_isfloat},
{"ldexp", math_ldexp}, {"ldexp", math_ldexp},
#if defined(LUA_COMPAT_LOG10) #if defined(LUA_COMPAT_LOG10)
{"log10", math_log10}, {"log10", math_log10},