Automata CFG Parser and Derivation Tree Calculator

Usage CFG Parser and Derivation Tree Calculator

• Parsing CFG like S->aX|aXX|b,X->a|b (comma character used to separate to non-terminals)
• S is a start point.
• The S has to be non-terminal.

• After the console input has been parsed by cfg-parser then the result (derivation for this language) shows on the console screen
• The cfg calculator also lists "repating words"

Usage Polish Notation

• The space character separates the stack items. Like: 5 3 4 * + Result should be = 12 + 5 = 17
• After the console input has been parsed by polish notation parser then the calculated result shows on the console screen

Issues

• These files were coded carelessly so you may have to understand by yourself :-).