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; Copyright (c) 1993-1999 by Richard Kelsey and Jonathan Rees. See file COPYING.
; Meta-modules: the big picture.
; Various implementations of Primitive Scheme.
(define-structure low-structures low-structures-interface
(open meta-module-system the-interfaces)
(files low-packages))
(define-structure debug-low-structures low-structures-interface
(open meta-module-system the-interfaces
;; built-in-structures
)
(files (alt low-packages)))
; Usual Scheme 48 run-time system.
(define (make-run-time low-structures)
(structures (run-time-structures-interface
run-time-internals-structures-interface
features-structures-interface)
(open meta-module-system the-interfaces
low-structures)
(files rts-packages)))
; Alternatives to the usual Scheme 48 run-time system.
(define-structure alt-features-structures features-structures-interface
(open meta-module-system the-interfaces)
(files (alt features-packages)))
(define-structure cheat-features-structures features-structures-interface
(open meta-module-system the-interfaces)
(begin (define-structures ((ascii ascii-interface)
(bitwise bitwise-interface)
(code-vectors code-vectors-interface)
(features features-interface)
(records records-interface)
(signals signals-interface))
;; Assumes use of FLATLOAD. The implementations of these
;; structures will become available via some miracle, e.g.
;; a command ",open signals ... code-vectors" or an
;; explicit LOAD of something. Cf. the rule for
;; link/linker.image in the Makefile.
)))
(define-module (make-alt-run-time features-structures)
(structures (low-structures-interface
run-time-structures-interface)
(open meta-module-system the-interfaces
features-structures)
(files alt-packages
(alt low-packages))))
; Byte-code compiler and related things.
(define-module (make-compiler-structures run-time-structures
features-structures)
(define-structure compiler-structures compiler-structures-interface
(open meta-module-system the-interfaces
run-time-structures
features-structures)
(files comp-packages))
compiler-structures)
; The initial system (initial.image). Cf. the rule for initial.image
; in the Makefile.
(define (make-initial-structures low-structures
run-time-structures
run-time-internals-structures
features-structures
compiler-structures)
(structure initial-structures-interface
(open meta-module-system the-interfaces
low-structures ;Cf. desirable-structures
run-time-structures
features-structures
run-time-internals-structures
compiler-structures)
(files initial-packages)))
; Small systems.
(define-structure (make-debug-structures low-structures
run-time-structures
run-time-internals-structures
features-structures
initial-structures)
(structure debug-structures-interface
(open meta-module-system the-interfaces
low-structures
run-time-structures
run-time-internals-structures
features-structures
initial-structures)
(files debug-packages)))
; Static linker.
(define-module (make-linker-structures features-structures
run-time-structures
compiler-structures)
(define-structure linker-structures linker-structures-interface
(open meta-module-system the-interfaces
features-structures
run-time-structures
compiler-structures)
(files link-packages))
linker-structures)
; The following definition of THE-INTERFACES assumes that we're
; "flatloading." If we were really using the module system, then its
; interface would have to include all of the interfaces defined in
; interfaces.scm, and it would need a (files interfaces) clause.
(define-structure the-interfaces the-interfaces-interface
(open )
;; (files interfaces)
)
(define-interface the-interfaces-interface
(export scheme-level-0-interface
primitives-interface
;; ... etc. etc. ad nauseum
for-reification-interface))
; This definition of META-MODULE-SYSTEM assumes that we're flatloading.
; If we weren't, it would have to be
; (def meta-module-system module-system)
; instead.
(define-structure meta-module-system (export ) (open )) ;Kludge
; --------------------
; Particular assemblies:
; The usual run-time system (for initial.image, etc.).
(def run-time-structures run-time-internals-structures features-structures
(make-run-time low-structures))
; The byte-code compiler as constituted for initial.image and friends.
(def compiler-structures
(make-compiler-structures run-time-structures
features-structures))
; The initial system made in the usual way.
(def initial-structures
(make-initial-structures low-structures
run-time-structures
run-time-internals-structures
features-structures
compiler-structures))
; Debug systems.
(def debug-structures
(make-debug-structures low-structures
run-time-structures
run-time-internals-structures
features-structures
initial-structures))
; The usual development environment (scheme48.image).
(define-structure usual-structures (export (usual-features :structure))
(open meta-module-system
run-time-structures
compiler-structures
initial-structures
(make-linker-structures features-structures
run-time-structures
compiler-structures))
(files ;; more-interfaces, when not flatloading
more-packages))
; The linker running in a random Scheme system (Lucid, Scheme->C, or
; old version of Scheme 48). If running in Scheme 48, this becomes
; link/linker.image.
(def alt-low-structures alt-run-time-structures
(make-alt-run-time cheat-features-structures))
(def linker-structures
(make-linker-structures cheat-features-structures
alt-run-time-structures
(make-compiler-structures cheat-features-structures
alt-run-time-structures)))
; --------------------
; Meta-interfaces.
; These are ignored by FLATLOAD, but DESIRABLE-STRUCTURES (in
; initial.scm) extracts the list of structures to be reified from
; them.
(define-interface features-structures-interface
(export ((ascii
bitwise
code-vectors
features
records
signals)
:structure)))
; Of the features-structures, only records isn't also
; a low-structure.
(define-interface low-structures-interface
(export ((ascii
bitwise
byte-vectors
cells
code-vectors
features
;; records - lose
signals
channels
closures
code-quote
escapes
locations
loopholes
low-channels
low-level
ports
primitives
scheme-level-0
shared-bindings
silly
source-file-names
structure-refs
debug-messages
vm-exposure
write-images)
:structure)))
(define-interface run-time-structures-interface
(export ((architecture
channel-i/o
define-record-types
enum-case
enumerated
fluids
;linked-queues
locks
queues
scheduler
scheme-level-1
scheme-level-2
templates
thread-cells
threads
threads-internal
util
weak)
:structure)))
(define-interface run-time-internals-structures-interface
(export ((conditions
continuations
display-conditions
;; escapes
exceptions
fluids-internal
handle
i/o
i/o-internal
methods
meta-methods
interrupts
rts-sigevents
rts-sigevents-internal
low-level
more-types
number-i/o
;; primitives
reading
records-internal
root-scheduler
session-data
thread-cells-internal
usual-resumer
;; silly
;; structure-refs
;; vm-exposure
wind
writing)
:structure)))
(define-interface compiler-structures-interface
(export ((analysis
bindings
compiler
compiler-envs
compile-packages
debug-data
defpackage
filenames
flat-environments
inline
meta-types
interfaces
module-system
names
nodes
optimizer
packages
packages-internal
primops
reading-forms
reconstruction
segments
scan-package
syntactic
strong
tables
transforms
types
undefined
usual-macros)
:structure)))
(define-interface initial-structures-interface
(export ((environments
evaluation
ensures-loaded
;; for-reification is in there, but shouldn't get reified.
)
:structure)
((make-scheme
make-mini-command
make-initial-system)
:procedure)))
; Initial + usual (scheme48.image).
(define-interface linker-structures-interface
(export ((analysis
debuginfo
expander
flatloading
linker
link-config
loadc
reification
usages)
:structure)))
(define debug-structures-interface
(export ((mini-eval
mini-environments
mini-scheme
little-system
mini-for-reification
mini-packages
mini-system
run
medium-scheme
medium-system)
:structure)
mini-eval
mini-environments))
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