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authorchai <chaifix@163.com>2018-11-16 00:24:51 +0800
committerchai <chaifix@163.com>2018-11-16 00:24:51 +0800
commit831e814ce9bdb84e86c06c4a52008f6bdaaa00d6 (patch)
treef91fccc7d2628d6e0a39886134b2bb174f5eede4 /build/vc++/libs/LuaJIT-2.0.5/src/lib_table.c
parent6dc75930fe5fe02f1af5489917752d315cf9e48f (diff)
*合并master到minimal分支
Diffstat (limited to 'build/vc++/libs/LuaJIT-2.0.5/src/lib_table.c')
-rw-r--r--build/vc++/libs/LuaJIT-2.0.5/src/lib_table.c300
1 files changed, 0 insertions, 300 deletions
diff --git a/build/vc++/libs/LuaJIT-2.0.5/src/lib_table.c b/build/vc++/libs/LuaJIT-2.0.5/src/lib_table.c
deleted file mode 100644
index b2856ee..0000000
--- a/build/vc++/libs/LuaJIT-2.0.5/src/lib_table.c
+++ /dev/null
@@ -1,300 +0,0 @@
-/*
-** Table library.
-** Copyright (C) 2005-2017 Mike Pall. See Copyright Notice in luajit.h
-**
-** Major portions taken verbatim or adapted from the Lua interpreter.
-** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h
-*/
-
-#define lib_table_c
-#define LUA_LIB
-
-#include "lua.h"
-#include "lauxlib.h"
-#include "lualib.h"
-
-#include "lj_obj.h"
-#include "lj_gc.h"
-#include "lj_err.h"
-#include "lj_tab.h"
-#include "lj_lib.h"
-
-/* ------------------------------------------------------------------------ */
-
-#define LJLIB_MODULE_table
-
-LJLIB_CF(table_foreachi)
-{
- GCtab *t = lj_lib_checktab(L, 1);
- GCfunc *func = lj_lib_checkfunc(L, 2);
- MSize i, n = lj_tab_len(t);
- for (i = 1; i <= n; i++) {
- cTValue *val;
- setfuncV(L, L->top, func);
- setintV(L->top+1, i);
- val = lj_tab_getint(t, (int32_t)i);
- if (val) { copyTV(L, L->top+2, val); } else { setnilV(L->top+2); }
- L->top += 3;
- lua_call(L, 2, 1);
- if (!tvisnil(L->top-1))
- return 1;
- L->top--;
- }
- return 0;
-}
-
-LJLIB_CF(table_foreach)
-{
- GCtab *t = lj_lib_checktab(L, 1);
- GCfunc *func = lj_lib_checkfunc(L, 2);
- L->top = L->base+3;
- setnilV(L->top-1);
- while (lj_tab_next(L, t, L->top-1)) {
- copyTV(L, L->top+2, L->top);
- copyTV(L, L->top+1, L->top-1);
- setfuncV(L, L->top, func);
- L->top += 3;
- lua_call(L, 2, 1);
- if (!tvisnil(L->top-1))
- return 1;
- L->top--;
- }
- return 0;
-}
-
-LJLIB_ASM(table_getn) LJLIB_REC(.)
-{
- lj_lib_checktab(L, 1);
- return FFH_UNREACHABLE;
-}
-
-LJLIB_CF(table_maxn)
-{
- GCtab *t = lj_lib_checktab(L, 1);
- TValue *array = tvref(t->array);
- Node *node;
- lua_Number m = 0;
- ptrdiff_t i;
- for (i = (ptrdiff_t)t->asize - 1; i >= 0; i--)
- if (!tvisnil(&array[i])) {
- m = (lua_Number)(int32_t)i;
- break;
- }
- node = noderef(t->node);
- for (i = (ptrdiff_t)t->hmask; i >= 0; i--)
- if (!tvisnil(&node[i].val) && tvisnumber(&node[i].key)) {
- lua_Number n = numberVnum(&node[i].key);
- if (n > m) m = n;
- }
- setnumV(L->top-1, m);
- return 1;
-}
-
-LJLIB_CF(table_insert) LJLIB_REC(.)
-{
- GCtab *t = lj_lib_checktab(L, 1);
- int32_t n, i = (int32_t)lj_tab_len(t) + 1;
- int nargs = (int)((char *)L->top - (char *)L->base);
- if (nargs != 2*sizeof(TValue)) {
- if (nargs != 3*sizeof(TValue))
- lj_err_caller(L, LJ_ERR_TABINS);
- /* NOBARRIER: This just moves existing elements around. */
- for (n = lj_lib_checkint(L, 2); i > n; i--) {
- /* The set may invalidate the get pointer, so need to do it first! */
- TValue *dst = lj_tab_setint(L, t, i);
- cTValue *src = lj_tab_getint(t, i-1);
- if (src) {
- copyTV(L, dst, src);
- } else {
- setnilV(dst);
- }
- }
- i = n;
- }
- {
- TValue *dst = lj_tab_setint(L, t, i);
- copyTV(L, dst, L->top-1); /* Set new value. */
- lj_gc_barriert(L, t, dst);
- }
- return 0;
-}
-
-LJLIB_CF(table_remove) LJLIB_REC(.)
-{
- GCtab *t = lj_lib_checktab(L, 1);
- int32_t e = (int32_t)lj_tab_len(t);
- int32_t pos = lj_lib_optint(L, 2, e);
- if (!(1 <= pos && pos <= e)) /* Nothing to remove? */
- return 0;
- lua_rawgeti(L, 1, pos); /* Get previous value. */
- /* NOBARRIER: This just moves existing elements around. */
- for (; pos < e; pos++) {
- cTValue *src = lj_tab_getint(t, pos+1);
- TValue *dst = lj_tab_setint(L, t, pos);
- if (src) {
- copyTV(L, dst, src);
- } else {
- setnilV(dst);
- }
- }
- setnilV(lj_tab_setint(L, t, e)); /* Remove (last) value. */
- return 1; /* Return previous value. */
-}
-
-LJLIB_CF(table_concat)
-{
- luaL_Buffer b;
- GCtab *t = lj_lib_checktab(L, 1);
- GCstr *sep = lj_lib_optstr(L, 2);
- MSize seplen = sep ? sep->len : 0;
- int32_t i = lj_lib_optint(L, 3, 1);
- int32_t e = (L->base+3 < L->top && !tvisnil(L->base+3)) ?
- lj_lib_checkint(L, 4) : (int32_t)lj_tab_len(t);
- luaL_buffinit(L, &b);
- if (i <= e) {
- for (;;) {
- cTValue *o;
- lua_rawgeti(L, 1, i);
- o = L->top-1;
- if (!(tvisstr(o) || tvisnumber(o)))
- lj_err_callerv(L, LJ_ERR_TABCAT, lj_typename(o), i);
- luaL_addvalue(&b);
- if (i++ == e) break;
- if (seplen)
- luaL_addlstring(&b, strdata(sep), seplen);
- }
- }
- luaL_pushresult(&b);
- return 1;
-}
-
-/* ------------------------------------------------------------------------ */
-
-static void set2(lua_State *L, int i, int j)
-{
- lua_rawseti(L, 1, i);
- lua_rawseti(L, 1, j);
-}
-
-static int sort_comp(lua_State *L, int a, int b)
-{
- if (!lua_isnil(L, 2)) { /* function? */
- int res;
- lua_pushvalue(L, 2);
- lua_pushvalue(L, a-1); /* -1 to compensate function */
- lua_pushvalue(L, b-2); /* -2 to compensate function and `a' */
- lua_call(L, 2, 1);
- res = lua_toboolean(L, -1);
- lua_pop(L, 1);
- return res;
- } else { /* a < b? */
- return lua_lessthan(L, a, b);
- }
-}
-
-static void auxsort(lua_State *L, int l, int u)
-{
- while (l < u) { /* for tail recursion */
- int i, j;
- /* sort elements a[l], a[(l+u)/2] and a[u] */
- lua_rawgeti(L, 1, l);
- lua_rawgeti(L, 1, u);
- if (sort_comp(L, -1, -2)) /* a[u] < a[l]? */
- set2(L, l, u); /* swap a[l] - a[u] */
- else
- lua_pop(L, 2);
- if (u-l == 1) break; /* only 2 elements */
- i = (l+u)/2;
- lua_rawgeti(L, 1, i);
- lua_rawgeti(L, 1, l);
- if (sort_comp(L, -2, -1)) { /* a[i]<a[l]? */
- set2(L, i, l);
- } else {
- lua_pop(L, 1); /* remove a[l] */
- lua_rawgeti(L, 1, u);
- if (sort_comp(L, -1, -2)) /* a[u]<a[i]? */
- set2(L, i, u);
- else
- lua_pop(L, 2);
- }
- if (u-l == 2) break; /* only 3 elements */
- lua_rawgeti(L, 1, i); /* Pivot */
- lua_pushvalue(L, -1);
- lua_rawgeti(L, 1, u-1);
- set2(L, i, u-1);
- /* a[l] <= P == a[u-1] <= a[u], only need 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 (lua_rawgeti(L, 1, ++i), sort_comp(L, -1, -2)) {
- if (i>=u) lj_err_caller(L, LJ_ERR_TABSORT);
- lua_pop(L, 1); /* remove a[i] */
- }
- /* repeat --j until a[j] <= P */
- while (lua_rawgeti(L, 1, --j), sort_comp(L, -3, -1)) {
- if (j<=l) lj_err_caller(L, LJ_ERR_TABSORT);
- lua_pop(L, 1); /* remove a[j] */
- }
- if (j<i) {
- lua_pop(L, 3); /* pop pivot, a[i], a[j] */
- break;
- }
- set2(L, i, j);
- }
- lua_rawgeti(L, 1, u-1);
- lua_rawgeti(L, 1, i);
- set2(L, 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, j, i); /* call recursively the smaller one */
- } /* repeat the routine for the larger one */
-}
-
-LJLIB_CF(table_sort)
-{
- GCtab *t = lj_lib_checktab(L, 1);
- int32_t n = (int32_t)lj_tab_len(t);
- lua_settop(L, 2);
- if (!tvisnil(L->base+1))
- lj_lib_checkfunc(L, 2);
- auxsort(L, 1, n);
- return 0;
-}
-
-#if LJ_52
-LJLIB_PUSH("n")
-LJLIB_CF(table_pack)
-{
- TValue *array, *base = L->base;
- MSize i, n = (uint32_t)(L->top - base);
- GCtab *t = lj_tab_new(L, n ? n+1 : 0, 1);
- /* NOBARRIER: The table is new (marked white). */
- setintV(lj_tab_setstr(L, t, strV(lj_lib_upvalue(L, 1))), (int32_t)n);
- for (array = tvref(t->array) + 1, i = 0; i < n; i++)
- copyTV(L, &array[i], &base[i]);
- settabV(L, base, t);
- L->top = base+1;
- lj_gc_check(L);
- return 1;
-}
-#endif
-
-/* ------------------------------------------------------------------------ */
-
-#include "lj_libdef.h"
-
-LUALIB_API int luaopen_table(lua_State *L)
-{
- LJ_LIB_REG(L, LUA_TABLIBNAME, table);
-#if LJ_52
- lua_getglobal(L, "unpack");
- lua_setfield(L, -2, "unpack");
-#endif
- return 1;
-}
-