Function loadline

third-party/lua-5.5.0/src/lua.c:640–654

** Read a line and try to load (compile) it first as an expression (by ** adding "return " in front of it) and second as a statement. Return ** the final status of load/call with the resulting function (if any) ** in the top of the stack. */

** in the top of the stack.
*/
static int loadline (lua_State *L) {
  const char *line;
  int status;
  lua_settop(L, 0);
  if (!pushline(L, 1))
    return -1;  /* no input */
  if ((status = addreturn(L)) != LUA_OK)  /* 'return ...' did not work? */
    status = multiline(L);  /* try as command, maybe with continuation lines */
  line = lua_tostring(L, 1);
  if (line[0] != '\0')  /* non empty? */
    lua_saveline(line);  /* keep history */
  lua_remove(L, 1);  /* remove line from the stack */
  lua_assert(lua_gettop(L) == 1);
  return status;
}


/*