Revision as of 05:19, 12 June 2010 (view source) rosettacode>Tinku99 (simple parser generator example ?)		Revision as of 05:19, 12 June 2010 (view source) rosettacode>Tinku99 m (minor) Newer edit →
Line 5: * You can use regular expressions for lexing. * Generate the calculator in [[Arithmetic evaluation]] using an EBNF description of the calculator. Here isare ~~the~~simple parser rules for a calculator taken from the [http://www.antlr.org/wiki/display/ANTLR3/Five+minute+introduction+to+ANTLR+3 antlr tutorial]<pre>expr : term ( ( PLUS \| MINUS ) term )* ; term : factor ( ( MULT \| DIV ) factor )* ;

Parse EBNF: Difference between revisions

Parse EBNF (view source)