lbaselib.c File Reference

#include "lprefix.h"
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "lua.h"
#include "lauxlib.h"
#include "lualib.h"

Go to the source code of this file.

Macros
#define	lbaselib_c
#define	LUA_LIB
#define	SPACECHARS   " \f\n\r\t\v"
#define	RESERVEDSLOT   5

Functions
static int	luaB_print (lua_State *L)
static int	luaB_warn (lua_State *L)
static const char *	b_str2int (const char *s, int base, lua_Integer *pn)
static int	luaB_tonumber (lua_State *L)
static int	luaB_error (lua_State *L)
static int	luaB_getmetatable (lua_State *L)
static int	luaB_setmetatable (lua_State *L)
static int	luaB_rawequal (lua_State *L)
static int	luaB_rawlen (lua_State *L)
static int	luaB_rawget (lua_State *L)
static int	luaB_rawset (lua_State *L)
static int	pushmode (lua_State *L, int oldmode)
static int	luaB_collectgarbage (lua_State *L)
static int	luaB_type (lua_State *L)
static int	luaB_next (lua_State *L)
static int	luaB_pairs (lua_State *L)
static int	ipairsaux (lua_State *L)
static int	luaB_ipairs (lua_State *L)
static int	load_aux (lua_State *L, int status, int envidx)
static int	luaB_loadfile (lua_State *L)
static const char *	generic_reader (lua_State *L, void *ud, size_t *size)
static int	luaB_load (lua_State *L)
static int	dofilecont (lua_State *L, int d1, lua_KContext d2)
static int	luaB_dofile (lua_State *L)
static int	luaB_assert (lua_State *L)
static int	luaB_select (lua_State *L)
static int	finishpcall (lua_State *L, int status, lua_KContext extra)
static int	luaB_pcall (lua_State *L)
static int	luaB_xpcall (lua_State *L)
static int	luaB_tostring (lua_State *L)
LUAMOD_API int	luaopen_base (lua_State *L)

Variables
static const luaL_Reg	base_funcs []

Macro Definition Documentation

lbaselib_c

#define lbaselib_c

Definition at line 7 of file lua-5.4.3/src/lbaselib.c.

LUA_LIB

#define LUA_LIB

Definition at line 8 of file lua-5.4.3/src/lbaselib.c.

RESERVEDSLOT

#define RESERVEDSLOT   5

Definition at line 340 of file lua-5.4.3/src/lbaselib.c.

Referenced by generic_reader(), and luaB_load().

SPACECHARS

#define SPACECHARS   " \f\n\r\t\v"

Definition at line 58 of file lua-5.4.3/src/lbaselib.c.

Referenced by b_str2int().

Function Documentation

b_str2int()

static const char * b_str2int ( const char * s, int base, lua_Integer * pn )

static

Definition at line 60 of file lua-5.4.3/src/lbaselib.c.

                                                                        {
  lua_Unsigned n = 0;
  int neg = 0;
  s += strspn(s, SPACECHARS);  /* skip initial spaces */
  if (*s == '-') { s++; neg = 1; }  /* handle sign */
  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;
}

References digit(), NULL, s, and SPACECHARS.

Referenced by luaB_tonumber().

dofilecont()

static int dofilecont ( lua_State * L, int d1, lua_KContext d2 )

static

Definition at line 388 of file lua-5.4.3/src/lbaselib.c.

                                                              {
  (void)d1;  (void)d2;  /* only to match 'lua_Kfunction' prototype */
  return lua_gettop(L) - 1;
}

References lua_gettop().

Referenced by luaB_dofile().

finishpcall()

static int finishpcall ( lua_State * L, int status, lua_KContext extra )

static

Definition at line 440 of file lua-5.4.3/src/lbaselib.c.

                                                                      {
  if (l_unlikely(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 */
}

References lua_gettop(), LUA_OK, lua_pushboolean(), lua_pushvalue(), and LUA_YIELD.

Referenced by luaB_pcall(), and luaB_xpcall().

generic_reader()

static const char * generic_reader ( lua_State * L, void * ud, size_t * size )

static

Definition at line 349 of file lua-5.4.3/src/lbaselib.c.

                                                                         {
  (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 (l_unlikely(!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);
}

References lua_call, lua_isnil, lua_isstring(), lua_pop, lua_pushvalue(), lua_replace, lua_tolstring(), luaL_checkstack(), luaL_error(), NULL, and RESERVEDSLOT.

Referenced by luaB_load().

ipairsaux()

static int ipairsaux ( lua_State * L )

static

Definition at line 282 of file lua-5.4.3/src/lbaselib.c.

                                    {
  lua_Integer i = luaL_checkinteger(L, 2) + 1;
  lua_pushinteger(L, i);
  return (lua_geti(L, 1, i) == LUA_TNIL) ? 1 : 2;
}

References lua_geti(), lua_pushinteger(), LUA_TNIL, and luaL_checkinteger().

Referenced by luaB_ipairs().

load_aux()

static int load_aux ( lua_State * L, int status, int envidx )

static

Definition at line 302 of file lua-5.4.3/src/lbaselib.c.

                                                           {
  if (l_likely(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) */
    luaL_pushfail(L);
    lua_insert(L, -2);  /* put before error message */
    return 2;  /* return fail plus error message */
  }
}

References lua_insert, LUA_OK, lua_pop, lua_pushvalue(), lua_setupvalue(), and luaL_pushfail.

Referenced by luaB_load(), and luaB_loadfile().

luaB_assert()

static int luaB_assert ( lua_State * L )

static

Definition at line 404 of file lua-5.4.3/src/lbaselib.c.

                                      {
  if (l_likely(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' */
  }
}

References lua_gettop(), lua_pushliteral, lua_remove, lua_settop(), lua_toboolean(), luaB_error(), and luaL_checkany().

luaB_collectgarbage()

static int luaB_collectgarbage ( lua_State * L )

static

Definition at line 191 of file lua-5.4.3/src/lbaselib.c.

                                              {
  static const char *const opts[] = {"stop", "restart", "collect",
    "count", "step", "setpause", "setstepmul",
    "isrunning", "generational", "incremental", NULL};
  static const int optsnum[] = {LUA_GCSTOP, LUA_GCRESTART, LUA_GCCOLLECT,
    LUA_GCCOUNT, LUA_GCSTEP, LUA_GCSETPAUSE, LUA_GCSETSTEPMUL,
    LUA_GCISRUNNING, LUA_GCGEN, LUA_GCINC};
  int o = optsnum[luaL_checkoption(L, 1, "collect", opts)];
  switch (o) {
    case LUA_GCCOUNT: {
      int k = lua_gc(L, o);
      int b = lua_gc(L, LUA_GCCOUNTB);
      lua_pushnumber(L, (lua_Number)k + ((lua_Number)b/1024));
      return 1;
    }
    case LUA_GCSTEP: {
      int step = (int)luaL_optinteger(L, 2, 0);
      int res = lua_gc(L, o, step);
      lua_pushboolean(L, res);
      return 1;
    }
    case LUA_GCSETPAUSE:
    case LUA_GCSETSTEPMUL: {
      int p = (int)luaL_optinteger(L, 2, 0);
      int previous = lua_gc(L, o, p);
      lua_pushinteger(L, previous);
      return 1;
    }
    case LUA_GCISRUNNING: {
      int res = lua_gc(L, o);
      lua_pushboolean(L, res);
      return 1;
    }
    case LUA_GCGEN: {
      int minormul = (int)luaL_optinteger(L, 2, 0);
      int majormul = (int)luaL_optinteger(L, 3, 0);
      return pushmode(L, lua_gc(L, o, minormul, majormul));
    }
    case LUA_GCINC: {
      int pause = (int)luaL_optinteger(L, 2, 0);
      int stepmul = (int)luaL_optinteger(L, 3, 0);
      int stepsize = (int)luaL_optinteger(L, 4, 0);
      return pushmode(L, lua_gc(L, o, pause, stepmul, stepsize));
    }
    default: {
      int res = lua_gc(L, o);
      lua_pushinteger(L, res);
      return 1;
    }
  }
}

References lua_gc(), LUA_GCCOLLECT, LUA_GCCOUNT, LUA_GCCOUNTB, LUA_GCGEN, LUA_GCINC, LUA_GCISRUNNING, LUA_GCRESTART, LUA_GCSETPAUSE, LUA_GCSETSTEPMUL, LUA_GCSTEP, LUA_GCSTOP, lua_pushboolean(), lua_pushinteger(), lua_pushnumber(), luaL_checkoption(), luaL_optinteger(), NULL, and pushmode().

luaB_dofile()

static int luaB_dofile ( lua_State * L )

static

Definition at line 394 of file lua-5.4.3/src/lbaselib.c.

                                      {
  const char *fname = luaL_optstring(L, 1, NULL);
  lua_settop(L, 1);
  if (l_unlikely(luaL_loadfile(L, fname) != LUA_OK))
    return lua_error(L);
  lua_callk(L, 0, LUA_MULTRET, 0, dofilecont);
  return dofilecont(L, 0, 0);
}

References dofilecont(), lua_callk(), lua_error(), LUA_MULTRET, LUA_OK, lua_settop(), luaL_loadfile, luaL_optstring, and NULL.

luaB_error()

static int luaB_error ( lua_State * L )

static

Definition at line 114 of file lua-5.4.3/src/lbaselib.c.

                                     {
  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);
}

References lua_concat(), lua_error(), lua_pushvalue(), lua_settop(), LUA_TSTRING, lua_type(), luaL_optinteger(), and luaL_where().

Referenced by luaB_assert().

luaB_getmetatable()

static int luaB_getmetatable ( lua_State * L )

static

Definition at line 126 of file lua-5.4.3/src/lbaselib.c.

                                            {
  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 */
}

References lua_getmetatable(), lua_pushnil(), luaL_checkany(), and luaL_getmetafield().

luaB_ipairs()

static int luaB_ipairs ( lua_State * L )

static

Definition at line 293 of file lua-5.4.3/src/lbaselib.c.

                                      {
  luaL_checkany(L, 1);
  lua_pushcfunction(L, ipairsaux);  /* iteration function */
  lua_pushvalue(L, 1);  /* state */
  lua_pushinteger(L, 0);  /* initial value */
  return 3;
}

References ipairsaux(), lua_pushcfunction, lua_pushinteger(), lua_pushvalue(), and luaL_checkany().

luaB_load()

static int luaB_load ( lua_State * L )

static

Definition at line 366 of file lua-5.4.3/src/lbaselib.c.

                                    {
  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);
}

References generic_reader(), load_aux(), lua_isnone, lua_load(), lua_settop(), LUA_TFUNCTION, lua_tolstring(), luaL_checktype(), luaL_loadbufferx(), luaL_optstring, NULL, RESERVEDSLOT, and s.

luaB_loadfile()

static int luaB_loadfile ( lua_State * L )

static

Definition at line 319 of file lua-5.4.3/src/lbaselib.c.

                                        {
  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);
}

References load_aux(), lua_isnone, luaL_loadfilex(), luaL_optstring, and NULL.

luaB_next()

static int luaB_next ( lua_State * L )

static

Definition at line 252 of file lua-5.4.3/src/lbaselib.c.

                                    {
  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;
  }
}

References lua_next(), lua_pushnil(), lua_settop(), LUA_TTABLE, and luaL_checktype().

Referenced by luaB_pairs().

luaB_pairs()

static int luaB_pairs ( lua_State * L )

static

Definition at line 264 of file lua-5.4.3/src/lbaselib.c.

                                     {
  luaL_checkany(L, 1);
  if (luaL_getmetafield(L, 1, "__pairs") == LUA_TNIL) {  /* no metamethod? */
    lua_pushcfunction(L, luaB_next);  /* will return generator, */
    lua_pushvalue(L, 1);  /* state, */
    lua_pushnil(L);  /* and initial value */
  }
  else {
    lua_pushvalue(L, 1);  /* argument 'self' to metamethod */
    lua_call(L, 1, 3);  /* get 3 values from metamethod */
  }
  return 3;
}

References lua_call, lua_pushcfunction, lua_pushnil(), lua_pushvalue(), LUA_TNIL, luaB_next(), luaL_checkany(), and luaL_getmetafield().

luaB_pcall()

static int luaB_pcall ( lua_State * L )

static

Definition at line 451 of file lua-5.4.3/src/lbaselib.c.

                                     {
  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);
}

References finishpcall(), lua_gettop(), lua_insert, LUA_MULTRET, lua_pcallk(), lua_pushboolean(), and luaL_checkany().

luaB_print()

static int luaB_print ( lua_State * L )

static

Definition at line 24 of file lua-5.4.3/src/lbaselib.c.

                                     {
  int n = lua_gettop(L);  /* number of arguments */
  int i;
  for (i = 1; i <= n; i++) {  /* for each argument */
    size_t l;
    const char *s = luaL_tolstring(L, i, &l);  /* convert it to string */
    if (i > 1)  /* not the first element? */
      lua_writestring("\t", 1);  /* add a tab before it */
    lua_writestring(s, l);  /* print it */
    lua_pop(L, 1);  /* pop result */
  }
  lua_writeline();
  return 0;
}

References lua_gettop(), lua_pop, lua_writeline, lua_writestring, luaL_tolstring(), and s.

luaB_rawequal()

static int luaB_rawequal ( lua_State * L )

static

Definition at line 149 of file lua-5.4.3/src/lbaselib.c.

                                        {
  luaL_checkany(L, 1);
  luaL_checkany(L, 2);
  lua_pushboolean(L, lua_rawequal(L, 1, 2));
  return 1;
}

References lua_pushboolean(), lua_rawequal(), and luaL_checkany().

luaB_rawget()

static int luaB_rawget ( lua_State * L )

static

Definition at line 166 of file lua-5.4.3/src/lbaselib.c.

                                      {
  luaL_checktype(L, 1, LUA_TTABLE);
  luaL_checkany(L, 2);
  lua_settop(L, 2);
  lua_rawget(L, 1);
  return 1;
}

References lua_rawget(), lua_settop(), LUA_TTABLE, luaL_checkany(), and luaL_checktype().

luaB_rawlen()

static int luaB_rawlen ( lua_State * L )

static

Definition at line 157 of file lua-5.4.3/src/lbaselib.c.

                                      {
  int t = lua_type(L, 1);
  luaL_argexpected(L, t == LUA_TTABLE || t == LUA_TSTRING, 1,
                      "table or string");
  lua_pushinteger(L, lua_rawlen(L, 1));
  return 1;
}

References lua_pushinteger(), lua_rawlen, LUA_TSTRING, LUA_TTABLE, lua_type(), and luaL_argexpected.

luaB_rawset()

static int luaB_rawset ( lua_State * L )

static

Definition at line 174 of file lua-5.4.3/src/lbaselib.c.

                                      {
  luaL_checktype(L, 1, LUA_TTABLE);
  luaL_checkany(L, 2);
  luaL_checkany(L, 3);
  lua_settop(L, 3);
  lua_rawset(L, 1);
  return 1;
}

References lua_rawset(), lua_settop(), LUA_TTABLE, luaL_checkany(), and luaL_checktype().

luaB_select()

static int luaB_select ( lua_State * L )

static

Definition at line 417 of file lua-5.4.3/src/lbaselib.c.

                                      {
  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;
  }
}

References lua_gettop(), lua_pushinteger(), lua_tostring, LUA_TSTRING, lua_type(), luaL_argcheck, and luaL_checkinteger().

luaB_setmetatable()

static int luaB_setmetatable ( lua_State * L )

static

Definition at line 137 of file lua-5.4.3/src/lbaselib.c.

                                            {
  int t = lua_type(L, 2);
  luaL_checktype(L, 1, LUA_TTABLE);
  luaL_argexpected(L, t == LUA_TNIL || t == LUA_TTABLE, 2, "nil or table");
  if (l_unlikely(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;
}

References lua_setmetatable(), lua_settop(), LUA_TNIL, LUA_TTABLE, lua_type(), luaL_argexpected, luaL_checktype(), luaL_error(), and luaL_getmetafield().

luaB_tonumber()

static int luaB_tonumber ( lua_State * L )

static

Definition at line 81 of file lua-5.4.3/src/lbaselib.c.

                                        {
  if (lua_isnoneornil(L, 2)) {  /* standard conversion? */
    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 */
      luaL_checkany(L, 1);  /* (but there must be some parameter) */
    }
  }
  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 */
  luaL_pushfail(L);  /* not a number */
  return 1;
}

References b_str2int(), lua_isnoneornil, lua_pushinteger(), lua_settop(), lua_stringtonumber(), LUA_TNUMBER, lua_tolstring(), LUA_TSTRING, lua_type(), luaL_argcheck, luaL_checkany(), luaL_checkinteger(), luaL_checktype(), luaL_pushfail, NULL, and s.

luaB_tostring()

static int luaB_tostring ( lua_State * L )

static

Definition at line 478 of file lua-5.4.3/src/lbaselib.c.

                                        {
  luaL_checkany(L, 1);
  luaL_tolstring(L, 1, NULL);
  return 1;
}

References luaL_checkany(), luaL_tolstring(), and NULL.

luaB_type()

static int luaB_type ( lua_State * L )

static

Definition at line 244 of file lua-5.4.3/src/lbaselib.c.

                                    {
  int t = lua_type(L, 1);
  luaL_argcheck(L, t != LUA_TNONE, 1, "value expected");
  lua_pushstring(L, lua_typename(L, t));
  return 1;
}

References lua_pushstring(), LUA_TNONE, lua_type(), lua_typename(), and luaL_argcheck.

luaB_warn()

static int luaB_warn ( lua_State * L )

static

Definition at line 45 of file lua-5.4.3/src/lbaselib.c.

                                    {
  int n = lua_gettop(L);  /* number of arguments */
  int i;
  luaL_checkstring(L, 1);  /* at least one argument */
  for (i = 2; i <= n; i++)
    luaL_checkstring(L, i);  /* make sure all arguments are strings */
  for (i = 1; i < n; i++)  /* compose warning */
    lua_warning(L, lua_tostring(L, i), 1);
  lua_warning(L, lua_tostring(L, n), 0);  /* close warning */
  return 0;
}

References lua_gettop(), lua_tostring, lua_warning(), and luaL_checkstring.

luaB_xpcall()

static int luaB_xpcall ( lua_State * L )

static

Definition at line 466 of file lua-5.4.3/src/lbaselib.c.

                                      {
  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);
}

References finishpcall(), lua_gettop(), LUA_MULTRET, lua_pcallk(), lua_pushboolean(), lua_pushvalue(), lua_rotate(), LUA_TFUNCTION, and luaL_checktype().

luaopen_base()

LUAMOD_API int luaopen_base

(

lua_State *

L

)

Definition at line 516 of file lua-5.4.3/src/lbaselib.c.

                                           {
  /* 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, LUA_GNAME);
  /* set global _VERSION */
  lua_pushliteral(L, LUA_VERSION);
  lua_setfield(L, -2, "_VERSION");
  return 1;
}

References base_funcs, LUA_GNAME, lua_pushglobaltable, lua_pushliteral, lua_pushvalue(), lua_setfield(), LUA_VERSION, and luaL_setfuncs().

pushmode()

static int pushmode ( lua_State * L, int oldmode )

static

Definition at line 184 of file lua-5.4.3/src/lbaselib.c.

                                                {
  lua_pushstring(L, (oldmode == LUA_GCINC) ? "incremental"
                                           : "generational");
  return 1;
}

References LUA_GCINC, and lua_pushstring().

Referenced by luaB_collectgarbage().

Variable Documentation

base_funcs

const luaL_Reg base_funcs[]

static

Initial value:

= {
  {"assert", luaB_assert},
  {"collectgarbage", luaB_collectgarbage},
  {"dofile", luaB_dofile},
  {"error", luaB_error},
  {"getmetatable", luaB_getmetatable},
  {"ipairs", luaB_ipairs},
  {"loadfile", luaB_loadfile},
  {"load", luaB_load},
  {"next", luaB_next},
  {"pairs", luaB_pairs},
  {"pcall", luaB_pcall},
  {"print", luaB_print},
  {"warn", luaB_warn},
  {"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},
  
  {LUA_GNAME, NULL},
  {"_VERSION", NULL},
  {NULL, NULL}
}

Definition at line 485 of file lua-5.4.3/src/lbaselib.c.

                                     {
  {"assert", luaB_assert},
  {"collectgarbage", luaB_collectgarbage},
  {"dofile", luaB_dofile},
  {"error", luaB_error},
  {"getmetatable", luaB_getmetatable},
  {"ipairs", luaB_ipairs},
  {"loadfile", luaB_loadfile},
  {"load", luaB_load},
  {"next", luaB_next},
  {"pairs", luaB_pairs},
  {"pcall", luaB_pcall},
  {"print", luaB_print},
  {"warn", luaB_warn},
  {"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 */
  {LUA_GNAME, NULL},
  {"_VERSION", NULL},
  {NULL, NULL}
};

Referenced by luaopen_base().