cosmopolitan/third_party/lua/luaformatstack.c
Justine Tunney 5022f9e920 Trim down redbean a little bit
This makes redbean.c a little less long. It also reduces the size of
redbean-original.com from being 333K to 213K.
2022-03-21 19:32:30 -07:00

48 lines
2.5 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/stdio/append.internal.h"
#include "third_party/lua/cosmo.h"
nodiscard char *LuaFormatStack(lua_State *L) {
int i, top;
char *b = 0;
top = lua_gettop(L);
for (i = 1; i <= top; i++) {
if (i > 1) appendw(&b, '\n');
appendf(&b, "\t%d\t%s\t", i, luaL_typename(L, i));
switch (lua_type(L, i)) {
case LUA_TNUMBER:
appendf(&b, "%g", lua_tonumber(L, i));
break;
case LUA_TSTRING:
appends(&b, lua_tostring(L, i));
break;
case LUA_TBOOLEAN:
appends(&b, lua_toboolean(L, i) ? "true" : "false");
break;
case LUA_TNIL:
appends(&b, "nil");
break;
default:
appendf(&b, "%p", lua_topointer(L, i));
break;
}
}
return b;
}