; JSON grammar
; see http://json.org/ and ECMA-262 Ed.5

JSON ← S? ( Object / Array / String / True / False / Null / Number ) S?

Object ← "{"
             ( String ":" JSON ( "," String ":" JSON )*
             / S? )
         "}"

Array ← "["
            ( JSON ( "," JSON )*
            / S? )
        "]"

String ← S? ["] ( [^ " \ U+0000-U+001F ] / Escape )* ["] S?

Escape ← [\] ( [ " / \ b f n r t ] / UnicodeEscape )

UnicodeEscape ← "u" [0-9A-Fa-f]{4}

True ← "true"

False ← "false"

Null ← "null"

Number ← Minus? IntegralPart FractionalPart? ExponentPart?

Minus ← "-"

IntegralPart ← "0" / [1-9] [0-9]*

FractionalPart ← "." [0-9]+

ExponentPart ← ( "e" / "E" ) ( "+" / "-" )? [0-9]+

S ← [ U+0009 U+000A U+000D U+0020 ]+