1999-09-14 08:45:02 -04:00
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; Copyright (c) 1993-1999 by Richard Kelsey and Jonathan Rees. See file COPYING.
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; Alternate implementations of the low-structures.
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; Cf. low-structures-interface in ../packages.scm and ../alt-structures.scm.
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; Most of the low-structures are assumed to be inherited or obtained
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; elsewhere (probably from a running Scheme 48). This only defines
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; structures that export privileged operations.
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(define-structure escapes escapes-interface
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(open scheme-level-2 define-record-types signals)
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(files escape))
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(define-structures ((primitives primitives-interface)
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(primitives-internal (export maybe-handle-interrupt
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raise-exception
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get-exception-handler
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?start)))
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(open scheme-level-2
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define-record-types
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bitwise ;Only for re-export
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features ;Only for re-export
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signals
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;; templates -- unneeded now?
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)
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(files primitives
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weak
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contin))
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2003-05-01 06:21:33 -04:00
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(define-structure code-quote (export (code-quote :syntax))
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(open scheme-level-2)
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(begin
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(define-syntax code-quote
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(lambda (e r c)
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`(,(r 'quote) ,(cadr e))))))
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