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Diffstat (limited to '3rdparty/lua/src/lbaselib.c')
-rw-r--r--3rdparty/lua/src/lbaselib.c498
1 files changed, 0 insertions, 498 deletions
diff --git a/3rdparty/lua/src/lbaselib.c b/3rdparty/lua/src/lbaselib.c
deleted file mode 100644
index 08523e6..0000000
--- a/3rdparty/lua/src/lbaselib.c
+++ /dev/null
@@ -1,498 +0,0 @@
-/*
-** $Id: lbaselib.c,v 1.314 2016/09/05 19:06:34 roberto Exp $
-** Basic library
-** See Copyright Notice in lua.h
-*/
-
-#define lbaselib_c
-#define LUA_LIB
-
-#include "lprefix.h"
-
-
-#include <ctype.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "lua.h"
-
-#include "lauxlib.h"
-#include "lualib.h"
-
-
-static int luaB_print (lua_State *L) {
- int n = lua_gettop(L); /* number of arguments */
- int i;
- lua_getglobal(L, "tostring");
- for (i=1; i<=n; i++) {
- const char *s;
- size_t l;
- lua_pushvalue(L, -1); /* function to be called */
- lua_pushvalue(L, i); /* value to print */
- lua_call(L, 1, 1);
- s = lua_tolstring(L, -1, &l); /* get result */
- if (s == NULL)
- return luaL_error(L, "'tostring' must return a string to 'print'");
- if (i>1) lua_writestring("\t", 1);
- lua_writestring(s, l);
- lua_pop(L, 1); /* pop result */
- }
- lua_writeline();
- return 0;
-}
-
-
-#define SPACECHARS " \f\n\r\t\v"
-
-static const char *b_str2int (const char *s, int base, lua_Integer *pn) {
- lua_Unsigned n = 0;
- int neg = 0;
- s += strspn(s, SPACECHARS); /* skip initial spaces */
- if (*s == '-') { s++; neg = 1; } /* handle signal */
- else if (*s == '+') s++;
- if (!isalnum((unsigned char)*s)) /* no digit? */
- return NULL;
- do {
- int digit = (isdigit((unsigned char)*s)) ? *s - '0'
- : (toupper((unsigned char)*s) - 'A') + 10;
- if (digit >= base) return NULL; /* invalid numeral */
- n = n * base + digit;
- s++;
- } while (isalnum((unsigned char)*s));
- s += strspn(s, SPACECHARS); /* skip trailing spaces */
- *pn = (lua_Integer)((neg) ? (0u - n) : n);
- return s;
-}
-
-
-static int luaB_tonumber (lua_State *L) {
- if (lua_isnoneornil(L, 2)) { /* standard conversion? */
- luaL_checkany(L, 1);
- if (lua_type(L, 1) == LUA_TNUMBER) { /* already a number? */
- lua_settop(L, 1); /* yes; return it */
- return 1;
- }
- else {
- size_t l;
- const char *s = lua_tolstring(L, 1, &l);
- if (s != NULL && lua_stringtonumber(L, s) == l + 1)
- return 1; /* successful conversion to number */
- /* else not a number */
- }
- }
- else {
- size_t l;
- const char *s;
- lua_Integer n = 0; /* to avoid warnings */
- lua_Integer base = luaL_checkinteger(L, 2);
- 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);
- return 1;
- } /* else not a number */
- } /* else not a number */
- lua_pushnil(L); /* not a number */
- return 1;
-}
-
-
-static int luaB_error (lua_State *L) {
- int level = (int)luaL_optinteger(L, 2, 1);
- lua_settop(L, 1);
- if (lua_type(L, 1) == LUA_TSTRING && level > 0) {
- luaL_where(L, level); /* add extra information */
- lua_pushvalue(L, 1);
- lua_concat(L, 2);
- }
- return lua_error(L);
-}
-
-
-static int luaB_getmetatable (lua_State *L) {
- luaL_checkany(L, 1);
- if (!lua_getmetatable(L, 1)) {
- lua_pushnil(L);
- return 1; /* no metatable */
- }
- luaL_getmetafield(L, 1, "__metatable");
- return 1; /* returns either __metatable field (if present) or metatable */
-}
-
-
-static int luaB_setmetatable (lua_State *L) {
- int t = lua_type(L, 2);
- luaL_checktype(L, 1, LUA_TTABLE);
- luaL_argcheck(L, t == LUA_TNIL || t == LUA_TTABLE, 2,
- "nil or table expected");
- if (luaL_getmetafield(L, 1, "__metatable") != LUA_TNIL)
- return luaL_error(L, "cannot change a protected metatable");
- lua_settop(L, 2);
- lua_setmetatable(L, 1);
- return 1;
-}
-
-
-static int luaB_rawequal (lua_State *L) {
- luaL_checkany(L, 1);
- luaL_checkany(L, 2);
- lua_pushboolean(L, lua_rawequal(L, 1, 2));
- return 1;
-}
-
-
-static int luaB_rawlen (lua_State *L) {
- int t = lua_type(L, 1);
- luaL_argcheck(L, t == LUA_TTABLE || t == LUA_TSTRING, 1,
- "table or string expected");
- lua_pushinteger(L, lua_rawlen(L, 1));
- return 1;
-}
-
-
-static int luaB_rawget (lua_State *L) {
- luaL_checktype(L, 1, LUA_TTABLE);
- luaL_checkany(L, 2);
- lua_settop(L, 2);
- lua_rawget(L, 1);
- return 1;
-}
-
-static int luaB_rawset (lua_State *L) {
- luaL_checktype(L, 1, LUA_TTABLE);
- luaL_checkany(L, 2);
- luaL_checkany(L, 3);
- lua_settop(L, 3);
- lua_rawset(L, 1);
- return 1;
-}
-
-
-static int luaB_collectgarbage (lua_State *L) {
- static const char *const opts[] = {"stop", "restart", "collect",
- "count", "step", "setpause", "setstepmul",
- "isrunning", NULL};
- static const int optsnum[] = {LUA_GCSTOP, LUA_GCRESTART, LUA_GCCOLLECT,
- LUA_GCCOUNT, LUA_GCSTEP, LUA_GCSETPAUSE, LUA_GCSETSTEPMUL,
- LUA_GCISRUNNING};
- int o = optsnum[luaL_checkoption(L, 1, "collect", opts)];
- int ex = (int)luaL_optinteger(L, 2, 0);
- int res = lua_gc(L, o, ex);
- switch (o) {
- case LUA_GCCOUNT: {
- int b = lua_gc(L, LUA_GCCOUNTB, 0);
- lua_pushnumber(L, (lua_Number)res + ((lua_Number)b/1024));
- return 1;
- }
- case LUA_GCSTEP: case LUA_GCISRUNNING: {
- lua_pushboolean(L, res);
- return 1;
- }
- default: {
- lua_pushinteger(L, res);
- return 1;
- }
- }
-}
-
-
-static int luaB_type (lua_State *L) {
- int t = lua_type(L, 1);
- luaL_argcheck(L, t != LUA_TNONE, 1, "value expected");
- lua_pushstring(L, lua_typename(L, t));
- return 1;
-}
-
-
-static int pairsmeta (lua_State *L, const char *method, int iszero,
- lua_CFunction iter) {
- luaL_checkany(L, 1);
- if (luaL_getmetafield(L, 1, method) == LUA_TNIL) { /* no metamethod? */
- lua_pushcfunction(L, iter); /* will return generator, */
- lua_pushvalue(L, 1); /* state, */
- if (iszero) lua_pushinteger(L, 0); /* and initial value */
- else lua_pushnil(L);
- }
- else {
- lua_pushvalue(L, 1); /* argument 'self' to metamethod */
- lua_call(L, 1, 3); /* get 3 values from metamethod */
- }
- return 3;
-}
-
-
-static int luaB_next (lua_State *L) {
- luaL_checktype(L, 1, LUA_TTABLE);
- lua_settop(L, 2); /* create a 2nd argument if there isn't one */
- if (lua_next(L, 1))
- return 2;
- else {
- lua_pushnil(L);
- return 1;
- }
-}
-
-
-static int luaB_pairs (lua_State *L) {
- return pairsmeta(L, "__pairs", 0, luaB_next);
-}
-
-
-/*
-** Traversal function for 'ipairs'
-*/
-static int ipairsaux (lua_State *L) {
- lua_Integer i = luaL_checkinteger(L, 2) + 1;
- lua_pushinteger(L, i);
- return (lua_geti(L, 1, i) == LUA_TNIL) ? 1 : 2;
-}
-
-
-/*
-** 'ipairs' function. Returns 'ipairsaux', given "table", 0.
-** (The given "table" may not be a table.)
-*/
-static int luaB_ipairs (lua_State *L) {
-#if defined(LUA_COMPAT_IPAIRS)
- return pairsmeta(L, "__ipairs", 1, ipairsaux);
-#else
- luaL_checkany(L, 1);
- lua_pushcfunction(L, ipairsaux); /* iteration function */
- lua_pushvalue(L, 1); /* state */
- lua_pushinteger(L, 0); /* initial value */
- return 3;
-#endif
-}
-
-
-static int load_aux (lua_State *L, int status, int envidx) {
- if (status == LUA_OK) {
- if (envidx != 0) { /* 'env' parameter? */
- lua_pushvalue(L, envidx); /* environment for loaded function */
- if (!lua_setupvalue(L, -2, 1)) /* set it as 1st upvalue */
- lua_pop(L, 1); /* remove 'env' if not used by previous call */
- }
- return 1;
- }
- else { /* error (message is on top of the stack) */
- lua_pushnil(L);
- lua_insert(L, -2); /* put before error message */
- return 2; /* return nil plus error message */
- }
-}
-
-
-static int luaB_loadfile (lua_State *L) {
- const char *fname = luaL_optstring(L, 1, NULL);
- const char *mode = luaL_optstring(L, 2, NULL);
- int env = (!lua_isnone(L, 3) ? 3 : 0); /* 'env' index or 0 if no 'env' */
- int status = luaL_loadfilex(L, fname, mode);
- return load_aux(L, status, env);
-}
-
-
-/*
-** {======================================================
-** Generic Read function
-** =======================================================
-*/
-
-
-/*
-** reserved slot, above all arguments, to hold a copy of the returned
-** string to avoid it being collected while parsed. 'load' has four
-** optional arguments (chunk, source name, mode, and environment).
-*/
-#define RESERVEDSLOT 5
-
-
-/*
-** Reader for generic 'load' function: 'lua_load' uses the
-** stack for internal stuff, so the reader cannot change the
-** stack top. Instead, it keeps its resulting string in a
-** reserved slot inside the stack.
-*/
-static const char *generic_reader (lua_State *L, void *ud, size_t *size) {
- (void)(ud); /* not used */
- luaL_checkstack(L, 2, "too many nested functions");
- lua_pushvalue(L, 1); /* get function */
- lua_call(L, 0, 1); /* call it */
- if (lua_isnil(L, -1)) {
- lua_pop(L, 1); /* pop result */
- *size = 0;
- return NULL;
- }
- else if (!lua_isstring(L, -1))
- luaL_error(L, "reader function must return a string");
- lua_replace(L, RESERVEDSLOT); /* save string in reserved slot */
- return lua_tolstring(L, RESERVEDSLOT, size);
-}
-
-
-static int luaB_load (lua_State *L) {
- int status;
- size_t l;
- const char *s = lua_tolstring(L, 1, &l);
- const char *mode = luaL_optstring(L, 3, "bt");
- int env = (!lua_isnone(L, 4) ? 4 : 0); /* 'env' index or 0 if no 'env' */
- if (s != NULL) { /* loading a string? */
- const char *chunkname = luaL_optstring(L, 2, s);
- status = luaL_loadbufferx(L, s, l, chunkname, mode);
- }
- else { /* loading from a reader function */
- const char *chunkname = luaL_optstring(L, 2, "=(load)");
- luaL_checktype(L, 1, LUA_TFUNCTION);
- lua_settop(L, RESERVEDSLOT); /* create reserved slot */
- status = lua_load(L, generic_reader, NULL, chunkname, mode);
- }
- return load_aux(L, status, env);
-}
-
-/* }====================================================== */
-
-
-static int dofilecont (lua_State *L, int d1, lua_KContext d2) {
- (void)d1; (void)d2; /* only to match 'lua_Kfunction' prototype */
- return lua_gettop(L) - 1;
-}
-
-
-static int luaB_dofile (lua_State *L) {
- const char *fname = luaL_optstring(L, 1, NULL);
- lua_settop(L, 1);
- if (luaL_loadfile(L, fname) != LUA_OK)
- return lua_error(L);
- lua_callk(L, 0, LUA_MULTRET, 0, dofilecont);
- return dofilecont(L, 0, 0);
-}
-
-
-static int luaB_assert (lua_State *L) {
- if (lua_toboolean(L, 1)) /* condition is true? */
- return lua_gettop(L); /* return all arguments */
- else { /* error */
- luaL_checkany(L, 1); /* there must be a condition */
- lua_remove(L, 1); /* remove it */
- lua_pushliteral(L, "assertion failed!"); /* default message */
- lua_settop(L, 1); /* leave only message (default if no other one) */
- return luaB_error(L); /* call 'error' */
- }
-}
-
-
-static int luaB_select (lua_State *L) {
- int n = lua_gettop(L);
- if (lua_type(L, 1) == LUA_TSTRING && *lua_tostring(L, 1) == '#') {
- lua_pushinteger(L, n-1);
- return 1;
- }
- else {
- lua_Integer i = luaL_checkinteger(L, 1);
- if (i < 0) i = n + i;
- else if (i > n) i = n;
- luaL_argcheck(L, 1 <= i, 1, "index out of range");
- return n - (int)i;
- }
-}
-
-
-/*
-** Continuation function for 'pcall' and 'xpcall'. Both functions
-** already pushed a 'true' before doing the call, so in case of success
-** 'finishpcall' only has to return everything in the stack minus
-** 'extra' values (where 'extra' is exactly the number of items to be
-** ignored).
-*/
-static int finishpcall (lua_State *L, int status, lua_KContext extra) {
- if (status != LUA_OK && status != LUA_YIELD) { /* error? */
- lua_pushboolean(L, 0); /* first result (false) */
- lua_pushvalue(L, -2); /* error message */
- return 2; /* return false, msg */
- }
- else
- return lua_gettop(L) - (int)extra; /* return all results */
-}
-
-
-static int luaB_pcall (lua_State *L) {
- int status;
- luaL_checkany(L, 1);
- lua_pushboolean(L, 1); /* first result if no errors */
- lua_insert(L, 1); /* put it in place */
- status = lua_pcallk(L, lua_gettop(L) - 2, LUA_MULTRET, 0, 0, finishpcall);
- return finishpcall(L, status, 0);
-}
-
-
-/*
-** Do a protected call with error handling. After 'lua_rotate', the
-** stack will have <f, err, true, f, [args...]>; so, the function passes
-** 2 to 'finishpcall' to skip the 2 first values when returning results.
-*/
-static int luaB_xpcall (lua_State *L) {
- int status;
- int n = lua_gettop(L);
- luaL_checktype(L, 2, LUA_TFUNCTION); /* check error function */
- lua_pushboolean(L, 1); /* first result */
- lua_pushvalue(L, 1); /* function */
- lua_rotate(L, 3, 2); /* move them below function's arguments */
- status = lua_pcallk(L, n - 2, LUA_MULTRET, 2, 2, finishpcall);
- return finishpcall(L, status, 2);
-}
-
-
-static int luaB_tostring (lua_State *L) {
- luaL_checkany(L, 1);
- luaL_tolstring(L, 1, NULL);
- return 1;
-}
-
-
-static const luaL_Reg base_funcs[] = {
- {"assert", luaB_assert},
- {"collectgarbage", luaB_collectgarbage},
- {"dofile", luaB_dofile},
- {"error", luaB_error},
- {"getmetatable", luaB_getmetatable},
- {"ipairs", luaB_ipairs},
- {"loadfile", luaB_loadfile},
- {"load", luaB_load},
-#if defined(LUA_COMPAT_LOADSTRING)
- {"loadstring", luaB_load},
-#endif
- {"next", luaB_next},
- {"pairs", luaB_pairs},
- {"pcall", luaB_pcall},
- {"print", luaB_print},
- {"rawequal", luaB_rawequal},
- {"rawlen", luaB_rawlen},
- {"rawget", luaB_rawget},
- {"rawset", luaB_rawset},
- {"select", luaB_select},
- {"setmetatable", luaB_setmetatable},
- {"tonumber", luaB_tonumber},
- {"tostring", luaB_tostring},
- {"type", luaB_type},
- {"xpcall", luaB_xpcall},
- /* placeholders */
- {"_G", NULL},
- {"_VERSION", NULL},
- {NULL, NULL}
-};
-
-
-LUAMOD_API int luaopen_base (lua_State *L) {
- /* open lib into global table */
- lua_pushglobaltable(L);
- luaL_setfuncs(L, base_funcs, 0);
- /* set global _G */
- lua_pushvalue(L, -1);
- lua_setfield(L, -2, "_G");
- /* set global _VERSION */
- lua_pushliteral(L, LUA_VERSION);
- lua_setfield(L, -2, "_VERSION");
- return 1;
-}
-