/* Copyright (c) <2009> * * This software is provided 'as-is', without any express or implied * warranty. In no event will the authors be held liable for any damages * arising from the use of this software. * * Permission is granted to anyone to use this software for any purpose, * including commercial applications, and to alter it and redistribute it * freely */ // common ambiguous grammar: if exp then stmt else stmt | if exp then stmt %token if then else a exp %% stmt: if stmt then stmt else stmt {} | if stmt then stmt {} | a {} ; %%