/*
    A Grammar for JSON.
*/

@start        = Empty | array | object;

object        = openCurly objectContent closeCurly;
objectContent = Empty | actualObject;
actualObject  = property commaProperty*;
property      = propertyName colon value;
commaProperty = comma property;
propertyName  = QuotedString;         // NOTE: property names are quoted in JSON

array         = openBracket arrayContent closeBracket;
arrayContent  = Empty | actualArray;
actualArray   = value commaValue*;
commaValue    = comma value;

value         = null | true | false | array | object | number | string;

string        = QuotedString;
number        = Number;
null          = 'null';
true          = 'true';
false         = 'false';

openCurly     = '{';
closeCurly    = '}';
openBracket   = '[';
closeBracket  = ']';
comma         = ',';
colon         = ':';