348 lines
10 KiB
Scheme
348 lines
10 KiB
Scheme
; Copyright (c) 1993-1999 by Richard Kelsey and Jonathan Rees. See file COPYING.
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(define-structures ((scheme-level-1 scheme-level-1-interface)
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(util util-interface))
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(open scheme-level-0 ascii signals)
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(usual-transforms case quasiquote syntax-rules)
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(files (rts base)
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(rts util)
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(rts number)
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(rts lize)) ; Rationalize
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(optimize auto-integrate))
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; "Level 2"
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(define-structures ((records records-interface)
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(records-internal records-internal-interface))
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(open scheme-level-1 signals
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primitives)
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(files (rts record))
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(optimize auto-integrate))
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; The external code needs this to check the types of records.
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(define-structure export-the-record-type (export)
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(open scheme-level-1 records-internal shared-bindings)
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(begin
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(define-exported-binding "s48-the-record-type" :record-type)))
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(define-structure define-record-types define-record-types-interface
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(open scheme-level-1 records records-internal loopholes
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primitives) ; unspecific
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(files (rts jar-defrecord)))
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(define-structures ((methods methods-interface)
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(meta-methods meta-methods-interface))
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(open scheme-level-1
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define-record-types
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records records-internal
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bitwise util primitives
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signals)
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(files (rts method))
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(optimize auto-integrate))
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(define-structure number-i/o number-i/o-interface
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(open scheme-level-1 methods signals ascii)
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(files (rts numio)))
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(define-structures ((fluids fluids-interface)
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(fluids-internal fluids-internal-interface))
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(open scheme-level-1 define-record-types primitives)
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(files (rts fluid))
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(optimize auto-integrate))
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(define-structure wind wind-interface
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(open scheme-level-1 signals define-record-types
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fluids fluids-internal
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escapes)
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(files (rts wind))
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(optimize auto-integrate))
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(define-structure session-data (export make-session-data-slot!
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initialize-session-data!
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session-data-ref
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session-data-set!)
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(open scheme-level-1
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primitives)
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(files (rts session))
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(optimize auto-integrate))
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(define-structures ((i/o i/o-interface)
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(i/o-internal i/o-internal-interface))
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(open scheme-level-1 signals fluids
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architecture
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primitives ports code-vectors bitwise
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define-record-types ascii
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threads locks
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threads-internal ; JMG for scsh
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methods ; &disclose :input-port :output-port
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interrupts ; {en|dis}able-interrupts!
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number-i/o ; number->string for debugging
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exceptions ; wrong-number-of-args stuff
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handle) ; report-errors-as-warnings
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(files (rts port)
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(rts current-port))
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(optimize auto-integrate))
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(define-structure channels channels-interface
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(open scheme-level-1
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low-channels
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architecture
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signals) ; error, call-error
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(files (rts channel)))
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(define-structure channel-i/o channel-i/o-interface
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(open scheme-level-1 i/o i/o-internal signals
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channels low-channels
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architecture code-vectors wind
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define-record-types
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queues threads threads-internal locks
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exceptions interrupts
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ascii ports util
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session-data
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structure-refs
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debug-messages ; for error messages
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handle) ; report-errors-as-warnings
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(access primitives) ; add-finalizer, channel stuff
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(files (rts channel-port)
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(rts channel-io)))
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(define-structure conditions conditions-interface
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(open scheme-level-1 signals)
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(files (rts condition)))
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(define-structure writing writing-interface
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(open scheme-level-1
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number-i/o
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i/o ;output-port-option, write-string
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methods ;disclose
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structure-refs)
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(access low-channels ;channel? channel-id
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code-vectors) ;code-vector?
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(files (rts write)))
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(define-structure reading reading-interface
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(open scheme-level-1
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number-i/o
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i/o ;input-port-option
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ascii ;for dispatch table
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signals ;warn, signal-condition, make-condition
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conditions ;define-condition-type
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primitives ;make-immutable!
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silly) ;reverse-list->string
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(files (rts read))
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(optimize auto-integrate))
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(define-structure scheme-level-2 scheme-level-2-interface
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(open scheme-level-1
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number-i/o
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writing
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reading
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wind
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i/o
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channel-i/o))
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(define-structure features features-interface
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(open primitives i/o))
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; Hairier stuff now.
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(define-structure templates templates-interface
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(open scheme-level-1 primitives methods)
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(files (rts template))
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(optimize auto-integrate))
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(define-structure continuations continuations-interface
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(open scheme-level-1 primitives templates methods architecture code-vectors)
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(files (rts continuation))
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(optimize auto-integrate))
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(define-structure more-types (export :closure :code-vector :location :double
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:template :channel :port :weak-pointer
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:shared-binding)
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(open scheme-level-1 methods
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closures code-vectors locations templates low-channels ports primitives
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shared-bindings)
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(begin (define-simple-type :closure (:value) closure?)
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(define-simple-type :code-vector (:value) code-vector?)
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(define-simple-type :location (:value) location?)
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(define-simple-type :template (:value) template?)
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(define-simple-type :channel (:value) channel?)
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(define-simple-type :port (:value) port?)
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(define-simple-type :double (:rational) double?)
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(define-simple-type :weak-pointer (:value) weak-pointer?)
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(define-method &disclose ((obj :weak-pointer)) (list 'weak-pointer))
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(define-simple-type :shared-binding (:value) shared-binding?)
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(define-method &disclose ((obj :shared-binding))
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(list (if (shared-binding-is-import? obj)
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'imported-binding
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'exported-binding)
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(shared-binding-name obj)))))
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(define-structure enumerated enumerated-interface
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(open scheme-level-1 signals)
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(files (rts defenum scm)))
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(define-structure architecture architecture-interface
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(open scheme-level-1 signals enumerated)
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(files (vm arch)))
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(define-structures ((exceptions exceptions-interface)
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(handle handle-interface))
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(open scheme-level-1
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signals fluids
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conditions ;make-exception, etc.
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primitives ;set-exception-handlers!, etc.
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wind ;CWCC
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methods
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meta-methods
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more-types
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architecture
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vm-exposure ;primitive-catch
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templates ;template-code, template-info
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continuations ;continuation-pc, etc.
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locations ;location?, location-id
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closures ;closure-template
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number-i/o) ; number->string, for backtrace
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(files (rts exception))) ; Needs generic, arch
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(define-structure interrupts interrupts-interface
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(open scheme-level-1
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signals fluids conditions
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bitwise
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escapes
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session-data
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primitives
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architecture)
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(files (rts interrupt))
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(optimize auto-integrate)) ;mostly for threads package...
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(define-structures ((sigevents sigevents-interface)
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(sigevents-internal sigevents-internal-interface))
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(open scheme-level-1 define-record-types
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threads threads-internal
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interrupts
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architecture)
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(files (rts sigevents))
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(optimize auto-integrate))
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(define-structures ((threads threads-interface)
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(threads-internal threads-internal-interface))
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(open scheme-level-1 enumerated define-record-types queues
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interrupts
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wind
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fluids
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fluids-internal ;get-dynamic-env
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escapes ;primitive-cwcc
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conditions ;error?
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handle ;with-handler
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signals ;signal, warn
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loopholes ;for converting #f to a continuation
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architecture ;time-option
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session-data
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debug-messages
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structure-refs)
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(access primitives) ;time current-thread set-current-thread! etc.
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(optimize auto-integrate)
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(files (rts thread) (rts sleep)))
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(define-structure scheduler scheduler-interface
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(open scheme-level-1 threads threads-internal enumerated enum-case
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debug-messages
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signals) ;error
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(files (rts scheduler)))
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(define-structure root-scheduler (export root-scheduler
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spawn-on-root
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scheme-exit-now
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call-when-deadlocked!)
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(open scheme-level-1 threads threads-internal scheduler structure-refs
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session-data
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signals ;error
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handle ;with-handler
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i/o ;current-error-port
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conditions ;warning?, error?
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writing ;display
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i/o-internal ;output-port-forcer, output-forcer-id
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fluids-internal ;get-dynamic-env
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interrupts ;with-interrupts-inhibited
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wind ;call-with-current-continuation
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channel-i/o ;waiting-for-i/o?
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sigevents-internal) ;waiting-for-os-sigevent?
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(access primitives) ;unspecific, wait
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(files (rts root-scheduler)))
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(define-structure enum-case (export (enum-case :syntax))
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(open scheme-level-1 enumerated util)
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(begin
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(define-syntax enum-case
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(syntax-rules (else)
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((enum-case enumeration (x ...) clause ...)
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(let ((temp (x ...)))
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(enum-case enumeration temp clause ...)))
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((enum-case enumeration value ((name ...) body ...) rest ...)
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(if (or (= value (enum enumeration name)) ...)
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(begin body ...)
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(enum-case enumeration value rest ...)))
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((enum-case enumeration value (else body ...))
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(begin body ...))
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((enum-case enumeration value)
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(unspecific))))))
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(define-structure queues queues-interface
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(open scheme-level-1 define-record-types signals)
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(files (big queue))
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(optimize auto-integrate))
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; No longer used
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;(define-structure linked-queues (compound-interface
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; queues-interface
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; (export delete-queue-entry!
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; queue-head))
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; (open scheme-level-1 define-record-types signals primitives)
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; (files (big linked-queue))
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; (optimize auto-integrate))
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(define-structure locks locks-interface
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(open scheme-level-1 define-record-types interrupts threads threads-internal)
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(optimize auto-integrate)
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(files (rts lock)))
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(define-structure usual-resumer (export usual-resumer)
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(open scheme-level-1
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i/o ;initialize-i/o, etc.
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channel-i/o ;{in,out}put-channel->port, initialize-channel-i/o
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session-data ;initialize-session-data!
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fluids-internal ;initialize-dynamic-state!
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exceptions ;initialize-exceptions!
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interrupts ;initialize-interrupts!
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sigevents-internal ;initialize-sigevents!
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records-internal ;initialize-records!
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export-the-record-type ;just what it says
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threads-internal ;start threads
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root-scheduler) ;start a scheduler
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(files (rts init)))
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; Weak pointers & populations
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(define-structure weak weak-interface
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(open scheme-level-1 signals
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primitives) ;Open primitives instead of loading (alt weak)
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(files ;;(alt weak) ;Only needed if VM's weak pointers are buggy
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(rts population)))
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; Utility for displaying error messages
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(define-structure display-conditions display-conditions-interface
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(open scheme-level-2
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writing
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methods
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handle) ;ignore-errors
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(files (env dispcond)))
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