Aegisub/automation/tests/aegisub.cpp

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// Copyright (c) 2014, Thomas Goyne <plorkyeran@aegisub.org>
//
// Permission to use, copy, modify, and 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.
//
// Aegisub Project http://www.aegisub.org/
#include <libaegisub/lua/modules.h>
#include <libaegisub/lua/script_reader.h>
#include <libaegisub/lua/utils.h>
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#include <libaegisub/dispatch.h>
#include <libaegisub/log.h>
#include <boost/locale/generator.hpp>
#include <cstdio>
#include <cstdlib>
using namespace agi::lua;
namespace {
void check(lua_State *L, int status) {
if (status && !lua_isnil(L, -1)) {
fprintf(stderr, "%s\n", get_string_or_default(L, -1).c_str());
exit(status);
}
}
int close_and_exit(lua_State *L) {
int status = lua_tointeger(L, 1);
lua_close(L);
exit(status);
}
}
int main(int argc, char **argv) {
if (argc < 2) {
fprintf(stderr, "usage: aegisub-lua <script> [args]\n");
return 1;
}
std::locale::global(boost::locale::generator().generate(""));
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agi::dispatch::Init([](agi::dispatch::Thunk f) { });
agi::log::log = new agi::log::LogSink;
// Init lua state
lua_State *L = lua_open();
if (!L) {
fprintf(stderr, "Failed to create Lua state\n");
return 1;
}
preload_modules(L);
Install(L, {"include"});
// Patch os.exit to close the lua state first since busted calls it when
// it's done
lua_getglobal(L, "os");
lua_pushcfunction(L, close_and_exit);
lua_setfield(L, -2, "exit");
lua_pop(L, 1);
// Build arg table for scripts
lua_createtable(L, argc - 1, 0);
for (int i = 1; i < argc; ++i) {
lua_pushstring(L, argv[i]);
lua_rawseti(L, -2, i - 1);
}
lua_setglobal(L, "arg");
// Stack needs to be error handler -> function -> args
lua_pushcfunction(L, add_stack_trace);
try {
check(L, !LoadFile(L, argv[1]));
} catch (agi::Exception const& e) {
fprintf(stderr, "%s\n", e.GetMessage().c_str());
}
for (int i = 2; i < argc; ++i)
lua_pushstring(L, argv[i]);
int base = lua_gettop(L) - argc + 1;
check(L, lua_pcall(L, argc - 2, LUA_MULTRET, base));
lua_close(L);
}