Bytecodes

Bytecodes used by Fressian

Code	Range	Notes
PRIORITY_CACHE_PACKED	80 - a0	Single byte codes for user-cached data
STRUCT_CACHE_PACKED	a0 - b0	Single byte codes for tagged structure descriptors.
LONG_ARRAY	b0	Array of primitive longs
DOUBLE_ARRAY	b1	Array of primitive doubles
BOOLEAN_ARRAY	b2	Array of primitive booleans
INT_ARRAY	b3	Array of primitive ints
FLOAT_ARRAY	b4	Array of primitive floats
OBJECT_ARRAY	b5	Array of objects
MAP	c0	Heterogeneous map
SET	c1	Heterogeneous set
UUID	c3	UUID
REGEX	c4	Regular expression
URI	c5	URI
BIGINT	c6	Arbitrary precision integer
BIGDEC	c7	Arbitrary precision decimal
INST	c8	Instant in time
SYM	c9	Namespaced symbol
KEY	ca	Namespaced keyword
GET_PRIORITY_CACHE	cc	Lead byte for multibyte-encoded user cache entries.
PUT_PRIORITY_CACHE	cd	Object that follows should be added to priority cache
PRECACHE	ce	Cache an object now, without actually making it appear to reader
FOOTER	cf	Optional footer signalling end of fressian data
FOOTER_MAGIC	cfcfcfcf	Repetition of footer code
BYTES_PACKED_LENGTH	d0 - d8	Packed byte array
BYTES_CHUNK	d8	Chunk of a byte arrays
BYTES	d9	Unpacked byte array
STRING_PACKED_LENGTH	da - e2	Packed string
STRING_CHUNK	e2	Chunk of a string
STRING	e3	Unpacked string
LIST_PACKED_LENGTH	e4 - ec	Packed list
LIST	ec	Unpacked list
BEGIN_CLOSED_LIST	ed	Variable length list, expect termination with END_COLLECTION
BEGIN_OPEN_LIST	ee	Variable length list, terminate with END_COLLECTION or end of stream
STRUCTTYPE	ef	Structure, followed by tag and component count
STRUCT	f0	Reference to a cached structure
META	f1	Metadata (currently unused)
ANY	f4	Placeholder code for data that could be anything
TRUE	f5	Boolean true
FALSE	f6	Boolean false
NULL	f7	Null / nil
INT	f8	Unpacked int
FLOAT	f9	Float
DOUBLE	fa	Double
DOUBLE_0	fb	The double value 0.0
DOUBLE_1	fc	The double value 1.0
END_COLLECTION	fd	End an open collection
RESET_CACHES	fe	Reset cache codes
INT_PACKED_1	ff - 40	Integer packed into a single byte
INT_PACKED_2	40 - 50 - 60	Integer packed into two bytes
INT_PACKED_3	60 - 68 - 70	Integer packed into three bytes
INT_PACKED_4	70 - 72 - 74	Integer packed into four bytes
INT_PACKED_5	74 - 76 - 78	Integer packed into five bytes
INT_PACKED_6	78 - 7a - 7c	Integer packed into six bytes
INT_PACKED_7	7c - 7e - 80	Integer packed into seven bytes