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authorAlexander Lantsev <aunsane@gmail.com>2016-06-13 14:18:51 +0000
committerAlexander Lantsev <aunsane@gmail.com>2016-06-13 14:18:51 +0000
commit8cf571c5ea48be2d281d2c83ed0f2dba6f2c32f4 (patch)
tree0345c47dc55eee01884f535fb26e0a2d44732213 /libs/liblua/src/lbaselib.c
parent4386b8b61c08045c5d416b546517e1c71c7dcae6 (diff)
lublua:
- updated to 5.3.3 - renamed to lua53.dll git-svn-id: http://svn.miranda-ng.org/main/trunk@16965 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'libs/liblua/src/lbaselib.c')
-rw-r--r--libs/liblua/src/lbaselib.c52
1 files changed, 15 insertions, 37 deletions
diff --git a/libs/liblua/src/lbaselib.c b/libs/liblua/src/lbaselib.c
index a2403952f0..d481c4e1ef 100644
--- a/libs/liblua/src/lbaselib.c
+++ b/libs/liblua/src/lbaselib.c
@@ -1,5 +1,5 @@
/*
-** $Id: lbaselib.c,v 1.309 2014/12/10 12:26:42 roberto Exp $
+** $Id: lbaselib.c,v 1.313 2016/04/11 19:18:40 roberto Exp $
** Basic library
** See Copyright Notice in lua.h
*/
@@ -55,7 +55,7 @@ static const char *b_str2int (const char *s, int base, lua_Integer *pn) {
return NULL;
do {
int digit = (isdigit((unsigned char)*s)) ? *s - '0'
- : toupper((unsigned char)*s) - 'A' + 10;
+ : (toupper((unsigned char)*s) - 'A') + 10;
if (digit >= base) return NULL; /* invalid numeral */
n = n * base + digit;
s++;
@@ -86,8 +86,8 @@ static int luaB_tonumber (lua_State *L) {
const char *s;
lua_Integer n = 0; /* to avoid warnings */
lua_Integer base = luaL_checkinteger(L, 2);
- luaL_checktype(L, 1, LUA_TSTRING); /* before 'luaL_checklstring'! */
- s = luaL_checklstring(L, 1, &l);
+ luaL_checktype(L, 1, LUA_TSTRING); /* no numbers as strings */
+ s = lua_tolstring(L, 1, &l);
luaL_argcheck(L, 2 <= base && base <= 36, 2, "base out of range");
if (b_str2int(s, (int)base, &n) == s + l) {
lua_pushinteger(L, n);
@@ -102,8 +102,8 @@ static int luaB_tonumber (lua_State *L) {
static int luaB_error (lua_State *L) {
int level = (int)luaL_optinteger(L, 2, 1);
lua_settop(L, 1);
- if (lua_isstring(L, 1) && level > 0) { /* add extra information? */
- luaL_where(L, level);
+ if (lua_type(L, 1) == LUA_TSTRING && level > 0) {
+ luaL_where(L, level); /* add extra information */
lua_pushvalue(L, 1);
lua_concat(L, 2);
}
@@ -198,12 +198,10 @@ static int luaB_collectgarbage (lua_State *L) {
}
-/*
-** This function has all type names as upvalues, to maximize performance.
-*/
static int luaB_type (lua_State *L) {
- luaL_checkany(L, 1);
- lua_pushvalue(L, lua_upvalueindex(lua_type(L, 1) + 1));
+ int t = lua_type(L, 1);
+ luaL_argcheck(L, t != LUA_TNONE, 1, "value expected");
+ lua_pushstring(L, lua_typename(L, t));
return 1;
}
@@ -243,18 +241,7 @@ static int luaB_pairs (lua_State *L) {
/*
-** Traversal function for 'ipairs' for raw tables
-*/
-static int ipairsaux_raw (lua_State *L) {
- lua_Integer i = luaL_checkinteger(L, 2) + 1;
- luaL_checktype(L, 1, LUA_TTABLE);
- lua_pushinteger(L, i);
- return (lua_rawgeti(L, 1, i) == LUA_TNIL) ? 1 : 2;
-}
-
-
-/*
-** Traversal function for 'ipairs' for tables with metamethods
+** Traversal function for 'ipairs'
*/
static int ipairsaux (lua_State *L) {
lua_Integer i = luaL_checkinteger(L, 2) + 1;
@@ -264,18 +251,15 @@ static int ipairsaux (lua_State *L) {
/*
-** This function will use either 'ipairsaux' or 'ipairsaux_raw' to
-** traverse a table, depending on whether the table has metamethods
-** that can affect the traversal.
+** 'ipairs' function. Returns 'ipairsaux', given "table", 0.
+** (The given "table" may not be a table.)
*/
static int luaB_ipairs (lua_State *L) {
- lua_CFunction iter = (luaL_getmetafield(L, 1, "__index") != LUA_TNIL)
- ? ipairsaux : ipairsaux_raw;
#if defined(LUA_COMPAT_IPAIRS)
- return pairsmeta(L, "__ipairs", 1, iter);
+ return pairsmeta(L, "__ipairs", 1, ipairsaux);
#else
luaL_checkany(L, 1);
- lua_pushcfunction(L, iter); /* iteration function */
+ lua_pushcfunction(L, ipairsaux); /* iteration function */
lua_pushvalue(L, 1); /* state */
lua_pushinteger(L, 0); /* initial value */
return 3;
@@ -490,9 +474,9 @@ static const luaL_Reg base_funcs[] = {
{"setmetatable", luaB_setmetatable},
{"tonumber", luaB_tonumber},
{"tostring", luaB_tostring},
+ {"type", luaB_type},
{"xpcall", luaB_xpcall},
/* placeholders */
- {"type", NULL},
{"_G", NULL},
{"_VERSION", NULL},
{NULL, NULL}
@@ -500,7 +484,6 @@ static const luaL_Reg base_funcs[] = {
LUAMOD_API int luaopen_base (lua_State *L) {
- int i;
/* open lib into global table */
lua_pushglobaltable(L);
luaL_setfuncs(L, base_funcs, 0);
@@ -510,11 +493,6 @@ LUAMOD_API int luaopen_base (lua_State *L) {
/* set global _VERSION */
lua_pushliteral(L, LUA_VERSION);
lua_setfield(L, -2, "_VERSION");
- /* set function 'type' with proper upvalues */
- for (i = 0; i < LUA_NUMTAGS; i++) /* push all type names as upvalues */
- lua_pushstring(L, lua_typename(L, i));
- lua_pushcclosure(L, luaB_type, LUA_NUMTAGS);
- lua_setfield(L, -2, "type");
return 1;
}