# This is the same as json.gbnf but we restrict whitespaces at the end of the root array # Useful for generating JSON arrays root ::= arr value ::= object | array | string | number | ("true" | "false" | "null") ws arr ::= "{\n\t[\n" ws ( value (",\n" ws value)* )? "\t]\n}" object ::= "{" ws ( string ":" ws value ("," ws string ":" ws value)* )? "}" ws array ::= "[" ws ( value ("," ws value)* )? "]" ws string ::= "\"" ( [^"\\] | "\\" (["\\/bfnrt] | "u" [0-9a-fA-F] [0-9a-fA-F] [0-9a-fA-F] [0-9a-fA-F]) # escapes )* "\"" ws number ::= ("-"? ([0-9] | [1-9] [0-9]*)) ("." [0-9]+)? ([eE] [-+]? [0-9]+)? ws # Optional space: by convention, applied in this grammar after literal chars when allowed ws ::= ([ \t\n] ws)?