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- (herald dump_codes
- (env t))
-
- ;;; Copyright (c) 1985 Yale University
- ;;; Authors: N Adams, R Kelsey, D Kranz, J Philbin, J Rees.
- ;;; This material was developed by the T Project at the Yale University Computer
- ;;; Science Department. Permission to copy this software, to redistribute it,
- ;;; and to use it for any purpose is granted, subject to the following restric-
- ;;; tions and understandings.
- ;;; 1. Any copy made of this software must include this copyright notice in full.
- ;;; 2. Users of this software agree to make their best efforts (a) to return
- ;;; to the T Project at Yale any improvements or extensions that they make,
- ;;; so that these may be included in future releases; and (b) to inform
- ;;; the T Project of noteworthy uses of this software.
- ;;; 3. All materials developed as a consequence of the use of this software
- ;;; shall duly acknowledge such use, in accordance with the usual standards
- ;;; of acknowledging credit in academic research.
- ;;; 4. Yale has made no warrantee or representation that the operation of
- ;;; this software will be error-free, and Yale is under no obligation to
- ;;; provide any services, by way of maintenance, update, or otherwise.
- ;;; 5. In conjunction with products arising from the use of this material,
- ;;; there shall be no use of the name of the Yale University nor of any
- ;;; adaptation thereof in any advertising, promotional, or sales literature
- ;;; without prior written consent from Yale in each case.
- ;;;
-
- ;;;
- ;;; codes used for encoding and decoding
- ;;;
-
- ;;; Unstructured codes
- (define-constant dump/null 0) ;;; the empty list
- (define-constant dump/char 1) ;;; character
- (define-constant dump/true 2) ;;; '#t
- (define-constant dump/begin-object 3) ;;; put before each object
- (define-constant dump/end-of-file 4) ;;; put at end of file
-
- ;;; Codes that are shared or unshared
- ;;; Low order bit zero = 0, not shared
- ;;; = 1, shared
- (define-constant dump/pair 16) ;;; cons pair
- (define-constant dump/coded 18) ;;; Coded by external proc.
-
- ;;; Codes that have size bytes
- ;;; Number of bytes = (+ 1 (remainder code 4))
- (define-constant dump/object-ref 32) ;;; an already stored object
- (define-constant dump/positive-fixnum 36) ;;; positive fixnum
- (define-constant dump/negative-fixnum 40) ;;; negative fixnum
-
- ;;; Codes that are shared or unshared and have size bytes
- ;;; Low order bit zero = 0, not shared
- ;;; = 1, shared
- ;;; Number of bytes = (+ 1 (quotient (remainder code 8) 2))
- (define-constant dump/string 64) ;;; old string method
- (define-constant dump/symbol 72) ;;; symbol
- (define-constant dump/vector 80) ;;; vector
- (define-constant dump/byte-vector 88) ;;; byte vector
- (define-constant dump/positive-bignum 96) ;;; positive bignum
- (define-constant dump/negative-bignum 104) ;;; negative bignum
- (define-constant dump/double-flonum 112) ;;; two word flonum
-