static void dotty(LuaState L) { int status; CharPtr oldprogname = progname; progname = null; while ((status = loadline(L)) != -1) { if (status == 0) { status = docall(L, 0, 0); } report(L, status); if (status == 0 && Lua.LuaGetTop(L) > 0) { /* any result to print? */ Lua.LuaGetGlobal(L, "print"); Lua.LuaInsert(L, 1); if (Lua.LuaPCall(L, Lua.LuaGetTop(L) - 1, 0, 0) != 0) { l_message(progname, Lua.LuaPushFString(L, "error calling " + Lua.LUA_QL("print").ToString() + " (%s)", Lua.LuaToString(L, -1))); } } } Lua.LuaSetTop(L, 0); /* clear stack */ Lua.fputs("\n", Lua.stdout); Lua.fflush(Lua.stdout); progname = oldprogname; }
static int docall(LuaState L, int narg, int clear) { int status; int base_ = Lua.LuaGetTop(L) - narg; /* function index */ Lua.LuaPushCFunction(L, traceback); /* push traceback function */ Lua.LuaInsert(L, base_); /* put it under chunk and args */ //signal(SIGINT, laction); status = Lua.LuaPCall(L, narg, ((clear != 0) ? 0 : Lua.LUA_MULTRET), base_); //signal(SIGINT, SIG_DFL); Lua.LuaRemove(L, base_); /* remove traceback function */ /* force a complete garbage collection in case of errors */ if (status != 0) { Lua.LuaGC(L, Lua.LUA_GCCOLLECT, 0); } return(status); }