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