This example contains a grammer for arithmetic expressions in grammarcalc.ebnf. The application testgrammarcalc.d reads expressions from the standard input and tries to parse them. The expressions are directly evaluated and the result is printed. Expressions can span multiple lines.
The application can be built with the following command:
dub buildThe following command starts the application:
./example_calcThe application can be quit by closing the input (e.g. Ctrl+D) or using the command quit.