Yet Another CPAN Grep

MarpaX-G4 ( Z/ZU/ZUBEAX/MarpaX-G4-1.0.2.tar.gz, ZUBEAX, 2022; MetaCPAN )

MarpaX-G4/bin/parseg4.pl ( view source; MetaCPAN )

en from "The Definitive ANTLR 4 Reference" by Terence Parr */

// Derived from http://json.org
grammar JSON;

json
   : value
   ;

obj
   : '{' pair (',' pair)* '}'
   | '{' '}'
   ;

pair
   : STRIN

  : STRING
   | NUMBER
   | obj
   | arr
   | 'true'
   | 'false'
   | 'null'
   ;

lexer grammar JSON;

STRING
   : '"' (ESC | SAFECODEPOINT)* '"'
   ;


fragment ESC
   : '\\' (["\\/bfnrt] | UNICODE