108 lines
3.1 KiB
Factor
108 lines
3.1 KiB
Factor
! :folding=none:collapseFolds=1:
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! $Id$
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!
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! Copyright (C) 2004 Slava Pestov.
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions are met:
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!
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! 1. Redistributions of source code must retain the above copyright notice,
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! this list of conditions and the following disclaimer.
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!
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! 2. Redistributions in binary form must reproduce the above copyright notice,
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! this list of conditions and the following disclaimer in the documentation
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! and/or other materials provided with the distribution.
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!
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! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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IN: vectors
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DEFER: vector=
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DEFER: vector-hashcode
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IN: kernel
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USE: lists
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USE: math
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USE: math-internals
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USE: strings
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USE: vectors
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USE: words
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USE: vectors
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: cpu ( -- arch )
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#! Returns one of "x86" or "unknown".
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7 getenv ;
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: os ( -- arch )
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#! Returns one of "unix" or "win32".
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11 getenv ;
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! The 'fake vtable' used here speeds things up a lot.
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! It is quite clumsy, however. A higher-level CLOS-style
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! 'generic words' system will be built later.
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: generic ( obj vtable -- )
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>r dup type r> vector-nth call ;
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: 2generic ( n n vtable -- )
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>r 2dup arithmetic-type r> vector-nth call ;
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: hashcode ( obj -- hash )
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#! If two objects are =, they must have equal hashcodes.
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{
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[ ] ! 0
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[ word-hashcode ] ! 1
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[ cons-hashcode ] ! 2
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[ drop 0 ] ! 3
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[ >fixnum ] ! 4
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[ >fixnum ] ! 5
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[ drop 0 ] ! 6
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[ drop 0 ] ! 7
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[ drop 0 ] ! 8
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[ >fixnum ] ! 9
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[ >fixnum ] ! 10
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[ vector-hashcode ] ! 11
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[ str-hashcode ] ! 12
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[ sbuf-hashcode ] ! 13
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[ drop 0 ] ! 14
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[ drop 0 ] ! 15
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[ drop 0 ] ! 16
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} generic ;
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IN: math DEFER: number= ( defined later... )
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IN: kernel
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: = ( obj obj -- ? )
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#! Push t if a is isomorphic to b.
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{
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[ number= ] ! 0
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[ eq? ] ! 1
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[ cons= ] ! 2
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[ eq? ] ! 3
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[ number= ] ! 4
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[ number= ] ! 5
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[ eq? ] ! 6
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[ eq? ] ! 7
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[ eq? ] ! 8
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[ number= ] ! 9
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[ number= ] ! 10
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[ vector= ] ! 11
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[ str= ] ! 12
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[ sbuf= ] ! 13
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[ eq? ] ! 14
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[ eq? ] ! 15
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[ eq? ] ! 16
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} generic ;
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: set-boot ( quot -- )
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#! Set the boot quotation.
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8 setenv ;
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