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Added luasnap checkpointing mechanism

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This commit is contained in:
Josh Yelon
2021-02-09 17:15:54 -05:00
parent 368d066cc7
commit 8f557ff387
11 changed files with 349 additions and 73 deletions
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21
luprex/cpp/textgame.cpp
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@@ -43,9 +43,8 @@ static void l_message(const char *msg)
fflush(stderr);
}
void TextGame::do_lua(const std::string &exp) {
lua_State *L = viewer_.get_lua_state();
lua_State *L = viewer_.state();
int status = luaL_loadbuffer(L, exp.c_str(), exp.size(), "=stdin");
assert(status == LUA_OK);
globalL = L;
@@ -119,6 +118,22 @@ void TextGame::do_choose_command(const StringVec &cmd) {
std::cerr << "Choose command (index " << index << ") not implemented yet." << std::endl;
}
void TextGame::do_snapshot_command(const StringVec &cmd) {
if (cmd.size() != 1) {
std::cerr << "s command (snapshot) takes no arguments" << std::endl;
return;
}
viewer_.snapshot();
}
void TextGame::do_rollback_command(const StringVec &cmd) {
if (cmd.size() != 1) {
std::cerr << "r command (rollback) takes no arguments" << std::endl;
return;
}
viewer_.rollback();
}
void TextGame::do_quit_command(const StringVec &cmd) {
if (cmd.size() != 1) {
std::cerr << "q command (quit) takes no arguments" << std::endl;
@@ -133,6 +148,8 @@ void TextGame::do_command(const StringVec &words) {
case 'm': do_menu_command(words); break;
case 'c': do_choose_command(words); break;
case 'q': do_quit_command(words); break;
case 's': do_snapshot_command(words); break;
case 'r': do_rollback_command(words); break;
default:
std::cerr << "Unknown command: " << words[0] << std::endl;
}