commit f67f324377aff66d78479eaaffbb94a6b092ae45
parent eebc9729e4614d1c3da7757022cb6d73babd0e0a
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Tue, 5 Sep 2000 16:28:24 -0300
deprecated files
Diffstat:
| D | lbuiltin.c | | | 701 | ------------------------------------------------------------------------------- |
| D | lbuiltin.h | | | 44 | -------------------------------------------- |
2 files changed, 0 insertions(+), 745 deletions(-)
diff --git a/lbuiltin.c b/lbuiltin.c
@@ -1,701 +0,0 @@
-/*
-** $Id: lbuiltin.c,v 1.127 2000/08/31 20:23:40 roberto Exp roberto $
-** Built-in functions
-** See Copyright Notice in lua.h
-*/
-
-
-/*
-** =========================================================================
-** All built-in functions are public (i.e. not static) and are named luaB_f,
-** where f is the function name in Lua. So, if you do not need all these
-** functions, you may register manually only the ones that you need.
-** =========================================================================
-*/
-
-
-#include <ctype.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "lua.h"
-
-#include "lauxlib.h"
-#include "lbuiltin.h"
-
-
-
-/*
-** function defined in ltests.c, to open some internal-test functions
-*/
-void luaB_opentests (lua_State *L);
-
-
-
-
-/*
-** {======================================================
-** Functions that use only the official API
-** =======================================================
-*/
-
-
-/*
-** If your system does not support `stderr', redefine this function, or
-** redefine _ERRORMESSAGE so that it won't need _ALERT.
-*/
-int luaB__ALERT (lua_State *L) {
- fputs(luaL_check_string(L, 1), stderr);
- return 0;
-}
-
-
-/*
-** Standard implementation of _ERRORMESSAGE.
-** The library `liolib' redefines _ERRORMESSAGE for better error information.
-*/
-int luaB__ERRORMESSAGE (lua_State *L) {
- lua_getglobals(L);
- lua_pushstring(L, LUA_ALERT);
- lua_rawget(L);
- if (lua_isfunction(L, -1)) { /* avoid error loop if _ALERT is not defined */
- const char *s = luaL_check_string(L, 1);
- char *buff = luaL_openspace(L, strlen(s)+sizeof("error: \n"));
- strcpy(buff, "error: "); strcat(buff, s); strcat(buff, "\n");
- lua_pushobject(L, -1); /* function to be called */
- lua_pushstring(L, buff);
- lua_call(L, 1, 0);
- }
- return 0;
-}
-
-
-/*
-** If your system does not support `stdout', you can just remove this function.
-** If you need, you can define your own `print' function, following this
-** model but changing `fputs' to put the strings at a proper place
-** (a console window or a log file, for instance).
-*/
-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;
- lua_pushobject(L, -1); /* function to be called */
- lua_pushobject(L, i);
- if (lua_call(L, 1, 1) != 0)
- lua_error(L, "error in `tostring' called by `print'");
- s = lua_tostring(L, -1); /* get result */
- if (s == NULL)
- lua_error(L, "`tostring' must return a string to `print'");
- if (i>1) fputs("\t", stdout);
- fputs(s, stdout);
- lua_pop(L, 1); /* pop result */
- }
- fputs("\n", stdout);
- return 0;
-}
-
-
-int luaB_tonumber (lua_State *L) {
- int base = luaL_opt_int(L, 2, 10);
- if (base == 10) { /* standard conversion */
- luaL_checktype(L, 1, "any");
- if (lua_isnumber(L, 1)) {
- lua_pushnumber(L, lua_tonumber(L, 1));
- return 1;
- }
- }
- else {
- const char *s1 = luaL_check_string(L, 1);
- char *s2;
- unsigned long n;
- luaL_arg_check(L, 2 <= base && base <= 36, 2, "base out of range");
- n = strtoul(s1, &s2, base);
- if (s1 != s2) { /* at least one valid digit? */
- while (isspace((unsigned char)*s2)) s2++; /* skip trailing spaces */
- if (*s2 == '\0') { /* no invalid trailing characters? */
- lua_pushnumber(L, n);
- return 1;
- }
- }
- }
- lua_pushnil(L); /* else not a number */
- return 1;
-}
-
-
-int luaB_error (lua_State *L) {
- lua_error(L, luaL_opt_string(L, 1, NULL));
- return 0; /* to avoid errors */
-}
-
-int luaB_setglobal (lua_State *L) {
- luaL_checktype(L, 2, "any");
- lua_setglobal(L, luaL_check_string(L, 1));
- return 0;
-}
-
-int luaB_getglobal (lua_State *L) {
- lua_getglobal(L, luaL_check_string(L, 1));
- return 1;
-}
-
-int luaB_tag (lua_State *L) {
- luaL_checktype(L, 1, "any");
- lua_pushnumber(L, lua_tag(L, 1));
- return 1;
-}
-
-int luaB_settag (lua_State *L) {
- luaL_checktype(L, 1, "table");
- lua_pushobject(L, 1); /* push table */
- lua_settag(L, luaL_check_int(L, 2));
- lua_pushobject(L, 1); /* return first argument */
- return 1;
-}
-
-int luaB_newtag (lua_State *L) {
- lua_pushnumber(L, lua_newtag(L));
- return 1;
-}
-
-int luaB_copytagmethods (lua_State *L) {
- lua_pushnumber(L, lua_copytagmethods(L, luaL_check_int(L, 1),
- luaL_check_int(L, 2)));
- return 1;
-}
-
-int luaB_globals (lua_State *L) {
- lua_getglobals(L); /* value to be returned */
- if (!lua_isnull(L, 1)) {
- luaL_checktype(L, 1, "table");
- lua_pushobject(L, 1); /* new table of globals */
- lua_setglobals(L);
- }
- return 1;
-}
-
-int luaB_rawget (lua_State *L) {
- luaL_checktype(L, 1, "table");
- luaL_checktype(L, 2, "any");
- lua_rawget(L);
- return 1;
-}
-
-int luaB_rawset (lua_State *L) {
- luaL_checktype(L, 1, "table");
- luaL_checktype(L, 2, "any");
- luaL_checktype(L, 3, "any");
- lua_rawset(L);
- return 1;
-}
-
-int luaB_settagmethod (lua_State *L) {
- int tag = (int)luaL_check_int(L, 1);
- const char *event = luaL_check_string(L, 2);
- luaL_arg_check(L, lua_isfunction(L, 3) || lua_isnil(L, 3), 3,
- "function or nil expected");
- lua_pushnil(L); /* to get its tag */
- if (strcmp(event, "gc") == 0 && tag != lua_tag(L, -1))
- lua_error(L, "deprecated use: cannot set the `gc' tag method from Lua");
- lua_pop(L, 1); /* remove the nil */
- lua_settagmethod(L, tag, event);
- return 1;
-}
-
-int luaB_gettagmethod (lua_State *L) {
- lua_gettagmethod(L, luaL_check_int(L, 1), luaL_check_string(L, 2));
- return 1;
-}
-
-
-int luaB_collectgarbage (lua_State *L) {
- lua_pushnumber(L, lua_collectgarbage(L, luaL_opt_int(L, 1, 0)));
- return 1;
-}
-
-
-int luaB_type (lua_State *L) {
- luaL_checktype(L, 1, "any");
- lua_pushstring(L, lua_type(L, 1));
- return 1;
-}
-
-
-int luaB_next (lua_State *L) {
- luaL_checktype(L, 1, "table");
- lua_settop(L, 2); /* create a 2nd argument if there isn't one */
- if (lua_next(L))
- return 2;
- else {
- lua_pushnil(L);
- return 1;
- }
-}
-
-
-static int passresults (lua_State *L, int status, int oldtop) {
- if (status == 0) {
- int nresults = lua_gettop(L) - oldtop;
- if (nresults > 0)
- return nresults; /* results are already on the stack */
- else {
- lua_pushuserdata(L, NULL); /* at least one result to signal no errors */
- return 1;
- }
- }
- else { /* error */
- lua_pushnil(L);
- lua_pushnumber(L, status); /* error code */
- return 2;
- }
-}
-
-int luaB_dostring (lua_State *L) {
- int oldtop = lua_gettop(L);
- size_t l;
- const char *s = luaL_check_lstr(L, 1, &l);
- if (*s == '\27') /* binary files start with ESC... */
- lua_error(L, "`dostring' cannot run pre-compiled code");
- return passresults(L, lua_dobuffer(L, s, l, luaL_opt_string(L, 2, s)), oldtop);
-}
-
-
-int luaB_dofile (lua_State *L) {
- int oldtop = lua_gettop(L);
- const char *fname = luaL_opt_string(L, 1, NULL);
- return passresults(L, lua_dofile(L, fname), oldtop);
-}
-
-
-int luaB_call (lua_State *L) {
- int oldtop;
- const char *options = luaL_opt_string(L, 3, "");
- int err = 0; /* index of old error method */
- int i, status;
- int n;
- luaL_checktype(L, 2, "table");
- n = lua_getn(L, 2);
- if (!lua_isnull(L, 4)) { /* set new error method */
- lua_getglobal(L, LUA_ERRORMESSAGE);
- err = lua_gettop(L); /* get index */
- lua_pushobject(L, 4);
- lua_setglobal(L, LUA_ERRORMESSAGE);
- }
- oldtop = lua_gettop(L); /* top before function-call preparation */
- /* push function */
- lua_pushobject(L, 1);
- /* push arg[1...n] */
- luaL_checkstack(L, n, "too many arguments");
- for (i=0; i<n; i++) {
- lua_pushobject(L, 2);
- lua_pushnumber(L, i+1);
- lua_rawget(L);
- }
- status = lua_call(L, n, LUA_MULTRET);
- if (err != 0) { /* restore old error method */
- lua_pushobject(L, err);
- lua_setglobal(L, LUA_ERRORMESSAGE);
- }
- if (status != 0) { /* error in call? */
- if (strchr(options, 'x'))
- lua_pushnil(L); /* return nil to signal the error */
- else
- lua_error(L, NULL); /* propagate error without additional messages */
- return 1;
- }
- if (strchr(options, 'p')) /* pack results? */
- lua_error(L, "deprecated option `p' in `call'");
- return lua_gettop(L) - oldtop; /* results are already on the stack */
-}
-
-
-int luaB_tostring (lua_State *L) {
- char buff[64];
- switch (lua_type(L, 1)[2]) {
- case 'm': /* nuMber */
- lua_pushstring(L, lua_tostring(L, 1));
- return 1;
- case 'r': /* stRing */
- lua_pushobject(L, 1);
- return 1;
- case 'b': /* taBle */
- sprintf(buff, "table: %p", lua_topointer(L, 1));
- break;
- case 'n': /* fuNction */
- sprintf(buff, "function: %p", lua_topointer(L, 1));
- break;
- case 'e': /* usErdata */
- sprintf(buff, "userdata(%d): %p", lua_tag(L, 1), lua_touserdata(L, 1));
- break;
- case 'l': /* niL */
- lua_pushstring(L, "nil");
- return 1;
- default:
- luaL_argerror(L, 1, "value expected");
- }
- lua_pushstring(L, buff);
- return 1;
-}
-
-/* }====================================================== */
-
-
-/*
-** {======================================================
-** Functions that could use only the official API but
-** do not, for efficiency.
-** =======================================================
-*/
-
-#include "lapi.h"
-#include "ldo.h"
-#include "lmem.h"
-#include "lobject.h"
-#include "lstate.h"
-#include "lstring.h"
-#include "ltable.h"
-#include "ltm.h"
-#include "lvm.h"
-
-
-/*
-** {======================================================
-** Auxiliary functions
-** =======================================================
-*/
-
-
-static Hash *gettable (lua_State *L, int arg) {
- luaL_checktype(L, arg, "table");
- return hvalue(luaA_index(L, arg));
-}
-
-/* }====================================================== */
-
-
-
-
-
-
-/* }====================================================== */
-
-
-
-/*
-** {======================================================
-** "Extra" functions
-** These functions can be written in Lua, so you can
-** delete them if you need a tiny Lua implementation.
-** If you delete them, remove their entries in array
-** "builtin_funcs".
-** =======================================================
-*/
-
-int luaB_assert (lua_State *L) {
- luaL_checktype(L, 1, "any");
- if (lua_isnil(L, 1))
- luaL_verror(L, "assertion failed! %.90s", luaL_opt_string(L, 2, ""));
- return 0;
-}
-
-
-int luaB_getn (lua_State *L) {
- luaL_checktype(L, 1, "table");
- lua_pushnumber(L, lua_getn(L, 1));
- return 1;
-}
-
-
-/* auxiliary function */
-static void t_move (lua_State *L, Hash *t, int from, int to) {
- TObject *p = luaH_setint(L, t, to); /* may change following `get' */
- *p = *luaH_getnum(t, from);
-}
-
-
-int luaB_tinsert (lua_State *L) {
- Hash *a = gettable(L, 1);
- int n = lua_getn(L, 1);
- int v = lua_gettop(L); /* last argument: to be inserted */
- int pos;
- if (v == 2) /* called with only 2 arguments */
- pos = n+1;
- else
- pos = luaL_check_int(L, 2); /* 2nd argument is the position */
- luaH_setstrnum(L, a, luaS_new(L, "n"), n+1); /* a.n = n+1 */
- for (; n>=pos; n--)
- t_move(L, a, n, n+1); /* a[n+1] = a[n] */
- *luaH_setint(L, a, pos) = *luaA_index(L, v); /* a[pos] = v */
- return 0;
-}
-
-
-int luaB_tremove (lua_State *L) {
- Hash *a = gettable(L, 1);
- int n = lua_getn(L, 1);
- int pos = luaL_opt_int(L, 2, n);
- if (n <= 0) return 0; /* table is "empty" */
- luaA_pushobject(L, luaH_getnum(a, pos)); /* result = a[pos] */
- for ( ;pos<n; pos++)
- t_move(L, a, pos+1, pos); /* a[pos] = a[pos+1] */
- luaH_setstrnum(L, a, luaS_new(L, "n"), n-1); /* a.n = n-1 */
- ttype(luaH_setint(L, a, n)) = TAG_NIL; /* a[n] = nil */
- return 1;
-}
-
-
-static int luaB_foreachi (lua_State *L) {
- const Hash *t = gettable(L, 1);
- int n = lua_getn(L, 1);
- int i;
- luaL_checktype(L, 2, "function");
- for (i=1; i<=n; i++) {
- lua_pushobject(L, 2);
- ttype(L->top) = TAG_NUMBER; nvalue(L->top++) = i;
- *(L->top++) = *luaH_getnum(t, i);
- luaD_call(L, L->top-3, 1);
- if (ttype(L->top-1) != TAG_NIL)
- return 1;
- L->top--; /* remove nil result */
- }
- return 0;
-}
-
-
-static int luaB_foreach (lua_State *L) {
- luaL_checktype(L, 1, "table");
- luaL_checktype(L, 2, "function");
- lua_pushobject(L, 1); /* put table at top */
- lua_pushnil(L); /* first index */
- for (;;) {
- if (lua_next(L) == 0)
- return 0;
- lua_pushobject(L, 2); /* function */
- lua_pushobject(L, -3); /* key */
- lua_pushobject(L, -3); /* value */
- if (lua_call(L, 2, 1) != 0) lua_error(L, NULL);
- if (!lua_isnil(L, -1))
- return 1;
- lua_pop(L, 2); /* remove value and result */
- }
-}
-
-
-
-/*
-** {======================================================
-** Quicksort
-** (based on `Algorithms in MODULA-3', Robert Sedgewick;
-** Addison-Wesley, 1993.)
-*/
-
-
-static void swap (lua_State *L, Hash *a, int i, int j) {
- TObject temp;
- temp = *luaH_getnum(a, i);
- t_move(L, a, j, i);
- *luaH_setint(L, a, j) = temp;
-}
-
-static int sort_comp (lua_State *L, const TObject *f, const TObject *a,
- const TObject *b) {
- /* WARNING: the caller (auxsort) must ensure stack space */
- if (f != NULL) {
- *(L->top) = *f;
- *(L->top+1) = *a;
- *(L->top+2) = *b;
- L->top += 3;
- luaD_call(L, L->top-3, 1);
- L->top--;
- return (ttype(L->top) != TAG_NIL);
- }
- else /* a < b? */
- return luaV_lessthan(L, a, b, L->top);
-}
-
-static void auxsort (lua_State *L, Hash *a, int l, int u, const TObject *f) {
- StkId P = L->top++; /* temporary place for pivot */
- ttype(P) = TAG_NIL;
- while (l < u) { /* for tail recursion */
- int i, j;
- /* sort elements a[l], a[(l+u)/2] and a[u] */
- if (sort_comp(L, f, luaH_getnum(a, u), luaH_getnum(a, l)))
- swap(L, a, l, u); /* a[u]<a[l] */
- if (u-l == 1) break; /* only 2 elements */
- i = (l+u)/2;
- *P = *luaH_getnum(a, i); /* P = a[i] */
- if (sort_comp(L, f, P, luaH_getnum(a, l))) /* a[i]<a[l]? */
- swap(L, a, l, i);
- else if (sort_comp(L, f, luaH_getnum(a, u), P)) /* a[u]<a[i]? */
- swap(L, a, i, u);
- if (u-l == 2) break; /* only 3 elements */
- *P = *luaH_getnum(a, i); /* save pivot on stack (GC) */
- swap(L, a, i, u-1); /* put median element as pivot (a[u-1]) */
- /* a[l] <= P == a[u-1] <= a[u], only needs to sort from l+1 to u-2 */
- i = l; j = u-1;
- for (;;) { /* invariant: a[l..i] <= P <= a[j..u] */
- /* repeat i++ until a[i] >= P */
- while (sort_comp(L, f, luaH_getnum(a, ++i), P))
- if (i>u) lua_error(L, "invalid order function for sorting");
- /* repeat j-- until a[j] <= P */
- while (sort_comp(L, f, P, luaH_getnum(a, --j)))
- if (j<l) lua_error(L, "invalid order function for sorting");
- if (j<i) break;
- swap(L, a, i, j);
- }
- swap(L, a, u-1, i); /* swap pivot (a[u-1]) with a[i] */
- /* a[l..i-1] <= a[i] == P <= a[i+1..u] */
- /* adjust so that smaller "half" is in [j..i] and larger one in [l..u] */
- if (i-l < u-i) {
- j=l; i=i-1; l=i+2;
- }
- else {
- j=i+1; i=u; u=j-2;
- }
- auxsort(L, a, j, i, f); /* call recursively the smaller one */
- } /* repeat the routine for the larger one */
- L->top--; /* remove pivot from stack */
-}
-
-int luaB_sort (lua_State *L) {
- Hash *a = gettable(L, 1);
- int n = lua_getn(L, 1);
- const TObject *func = NULL;
- if (!lua_isnull(L, 2)) { /* is there a 2nd argument? */
- luaL_checktype(L, 2, "function");
- func = luaA_index(L, 2);
- }
- auxsort(L, a, 1, n, func);
- return 0;
-}
-
-/* }====================================================== */
-
-
-/* }====================================================== */
-
-
-
-/*
-** {======================================================
-** Deprecated functions to manipulate global environment:
-** some of them can be simulated through table operations
-** over the global table.
-** =======================================================
-*/
-
-
-#ifdef LUA_DEPRECATETFUNCS
-
-#define num_deprecated 4
-
-static const struct luaL_reg deprecated_global_funcs[num_deprecated] = {
- {"foreachvar", luaB_foreach},
- {"nextvar", luaB_next},
- {"rawgetglobal", luaB_rawget},
- {"rawsetglobal", luaB_rawset}
-};
-
-
-static const struct luaL_reg other_deprecated_global_funcs[] = {
- {"rawgettable", luaB_rawget},
- {"rawsettable", luaB_rawset}
-};
-
-
-
-static void deprecated_funcs (lua_State *L) {
- TObject gt;
- int i;
- ttype(>) = TAG_TABLE;
- hvalue(>) = L->gt;
- for (i=0; i<num_deprecated; i++) {
- lua_pushobject(L, >);
- lua_pushcclosure(L, deprecated_global_funcs[i].func, 1); ??
- lua_setglobal(L, deprecated_global_funcs[i].name);
- }
- luaL_openl(L, other_deprecated_global_funcs);
-}
-
-#else
-
-/*
-** gives an explicit error in any attempt to call a deprecated function
-*/
-static int deprecated_func (lua_State *L) {
- luaL_verror(L, "function `%.20s' is deprecated", luaL_check_string(L, -1));
- return 0; /* to avoid warnings */
-}
-
-
-#define num_deprecated 6
-
-static const char *const deprecated_names [num_deprecated] = {
- "foreachvar", "nextvar", "rawgetglobal",
- "rawgettable", "rawsetglobal", "rawsettable"
-};
-
-
-static void deprecated_funcs (lua_State *L) {
- int i;
- for (i=0; i<num_deprecated; i++) {
- lua_pushstring(L, deprecated_names[i]);
- lua_pushcclosure(L, deprecated_func, 1);
- lua_setglobal(L, deprecated_names[i]);
- }
-}
-
-#endif
-
-/* }====================================================== */
-
-static const struct luaL_reg builtin_funcs[] = {
- {LUA_ALERT, luaB__ALERT},
- {LUA_ERRORMESSAGE, luaB__ERRORMESSAGE},
- {"call", luaB_call},
- {"collectgarbage", luaB_collectgarbage},
- {"copytagmethods", luaB_copytagmethods},
- {"dofile", luaB_dofile},
- {"dostring", luaB_dostring},
- {"error", luaB_error},
- {"foreach", luaB_foreach},
- {"foreachi", luaB_foreachi},
- {"getglobal", luaB_getglobal},
- {"gettagmethod", luaB_gettagmethod},
- {"globals", luaB_globals},
- {"newtag", luaB_newtag},
- {"next", luaB_next},
- {"print", luaB_print},
- {"rawget", luaB_rawget},
- {"rawset", luaB_rawset},
- {"setglobal", luaB_setglobal},
- {"settag", luaB_settag},
- {"settagmethod", luaB_settagmethod},
- {"tag", luaB_tag},
- {"tonumber", luaB_tonumber},
- {"tostring", luaB_tostring},
- {"type", luaB_type},
-/* "Extra" functions */
- {"assert", luaB_assert},
- {"getn", luaB_getn},
- {"sort", luaB_sort},
- {"tinsert", luaB_tinsert},
- {"tremove", luaB_tremove}
-};
-
-
-
-void luaB_predefine (lua_State *L) {
- luaL_openl(L, builtin_funcs);
-#ifdef DEBUG
- luaB_opentests(L); /* internal test functions */
-#endif
- lua_pushstring(L, LUA_VERSION);
- lua_setglobal(L, "_VERSION");
- deprecated_funcs(L);
-}
-
diff --git a/lbuiltin.h b/lbuiltin.h
@@ -1,44 +0,0 @@
-/*
-** $Id: lbuiltin.h,v 1.9 2000/05/26 19:17:57 roberto Exp roberto $
-** Built-in functions
-** See Copyright Notice in lua.h
-*/
-
-#ifndef lbuiltin_h
-#define lbuiltin_h
-
-#include "lua.h"
-
-int luaB__ALERT (lua_State *L);
-int luaB__ERRORMESSAGE (lua_State *L);
-int luaB_assert (lua_State *L);
-int luaB_call (lua_State *L);
-int luaB_collectgarbage (lua_State *L);
-int luaB_copytagmethods (lua_State *L);
-int luaB_dofile (lua_State *L);
-int luaB_dostring (lua_State *L);
-int luaB_error (lua_State *L);
-int luaB_getglobal (lua_State *L);
-int luaB_getn (lua_State *L);
-int luaB_gettagmethod (lua_State *L);
-int luaB_globals (lua_State *L);
-int luaB_newtag (lua_State *L);
-int luaB_next (lua_State *L);
-int luaB_print (lua_State *L);
-int luaB_rawget (lua_State *L);
-int luaB_rawset (lua_State *L);
-int luaB_setglobal (lua_State *L);
-int luaB_settag (lua_State *L);
-int luaB_settagmethod (lua_State *L);
-int luaB_sort (lua_State *L);
-int luaB_tag (lua_State *L);
-int luaB_tinsert (lua_State *L);
-int luaB_tonumber (lua_State *L);
-int luaB_tostring (lua_State *L);
-int luaB_tremove (lua_State *L);
-int luaB_type (lua_State *L);
-
-void luaB_predefine (lua_State *L);
-
-
-#endif
