IDB file format

idb.txt

Magic number: "IDB" \r \n NULL
Version: 0x01
Flags: is_big_endian
Length of Schemas

Target AS String	/* used to identify which program this is for, so */
			/* the host program can provide implicit schemas. */

OPTIONAL Schemas OF {
	Schema_size AS UInt8
	Schema_type AS UInt8
	Schema_name AS String
	Record_types OF {
		Value_type
		IF Value_type = Record THEN Record_type
	}
}

Value_type	/* only really makes sense for this to be a compound type */
Value AS Value_type
-------------------------------------------------------------------------------
Types:
	Int8, Int16, Int32, Int64: 0x02-0x05
	UInt8, UInt16, UInt32, Uint64: 0x06-0x09
	Single, Double: 0x0A, 0x0B
	String AS { Length as UInt32, Chars as UInt8 }: 0x01
		/* string does not need to be null-terminated */
	Record AS {
		Size
		Element_count
		Elements of {
			Value_type
			Key AS String
			Value AS Value_type
		}
	}: 0x0C
	List AS {
		Size
		Element_count
		Elements of {
			Value_type
			Value AS Value_type
		}
	}: 0x0D
	Sequence AS {
		Size
		Element_count
		Value_type
		Values AS Value_type
	}: 0x0E
	Boolean: 0x0F
	Nil: 0x00
	Schema types start at 0x10