605 lines
15 KiB
Factor
Executable File
605 lines
15 KiB
Factor
Executable File
! Copyright (C) 2004, 2011 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors arrays assocs bootstrap.image.syntax
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byte-arrays classes classes.builtin classes.private
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classes.tuple classes.tuple.private combinators
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combinators.short-circuit combinators.smart
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compiler.codegen.relocation compiler.units fry generic
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generic.single.private grouping hashtables hashtables.private
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io io.binary io.encodings.binary io.files io.pathnames kernel
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kernel.private layouts locals make math math.order namespaces
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namespaces.private parser parser.notes prettyprint quotations
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sequences sequences.private source-files strings system vectors
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vocabs words ;
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IN: bootstrap.image
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: arch ( os cpu -- arch )
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2dup [ windows? ] [ ppc? ] bi* or [
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[ drop unix ] dip
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] unless
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[ name>> ] [ name>> ] bi* "-" glue ;
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: my-arch ( -- arch )
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os cpu arch ;
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: boot-image-name ( arch -- string )
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"boot." ".image" surround ;
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: my-boot-image-name ( -- string )
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my-arch boot-image-name ;
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: images ( -- seq )
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{
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"windows-x86.32" "unix-x86.32"
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"windows-x86.64" "unix-x86.64"
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} ;
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<PRIVATE
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! Object cache; we only consider numbers equal if they have the
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! same type
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TUPLE: eql-wrapper { obj read-only } ;
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C: <eql-wrapper> eql-wrapper
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M: eql-wrapper hashcode* obj>> hashcode* ;
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GENERIC: (eql?) ( obj1 obj2 -- ? )
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: eql? ( obj1 obj2 -- ? )
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{ [ [ class-of ] same? ] [ (eql?) ] } 2&& ;
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M: fixnum (eql?) eq? ;
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M: bignum (eql?) { bignum bignum } declare = ;
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M: float (eql?) fp-bitwise= ;
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M: sequence (eql?)
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2dup [ length ] same? [ [ eql? ] 2all? ] [ 2drop f ] if ;
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M: object (eql?) = ;
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M: eql-wrapper equal?
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over eql-wrapper? [ [ obj>> ] bi@ eql? ] [ 2drop f ] if ;
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TUPLE: eq-wrapper { obj read-only } ;
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C: <eq-wrapper> eq-wrapper
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M: eq-wrapper equal?
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over eq-wrapper? [ [ obj>> ] bi@ eq? ] [ 2drop f ] if ;
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M: eq-wrapper hashcode*
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nip obj>> identity-hashcode ;
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SYMBOL: objects
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: cache-eql-object ( obj quot -- value )
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[ <eql-wrapper> objects get ] dip '[ obj>> @ ] cache ; inline
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: cache-eq-object ( obj quot -- value )
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[ <eq-wrapper> objects get ] dip '[ obj>> @ ] cache ; inline
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: lookup-object ( obj -- n/f )
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<eq-wrapper> objects get at ;
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: put-object ( n obj -- )
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<eq-wrapper> objects get set-at ;
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! Constants
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CONSTANT: image-magic 0x0f0e0d0c
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CONSTANT: image-version 4
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CONSTANT: data-base 1024
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CONSTANT: special-objects-size 80
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CONSTANT: header-size 10
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CONSTANT: data-heap-size-offset 3
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CONSTANT: t-offset 6
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CONSTANT: 0-offset 7
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CONSTANT: 1-offset 8
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CONSTANT: -1-offset 9
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SYMBOL: sub-primitives
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:: jit-conditional ( test-quot false-quot -- )
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[ 0 test-quot call ] B{ } make length :> len
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building get length extra-offset get + len +
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[ extra-offset set false-quot call ] B{ } make
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[ length test-quot call ] [ % ] bi ; inline
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: make-jit ( quot -- parameters literals code )
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#! code is a { relocation insns } pair
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[
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0 extra-offset set
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init-relocation
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call( -- )
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parameter-table get >array
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literal-table get >array
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relocation-table get >byte-array
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] B{ } make 2array ;
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: make-jit-no-params ( quot -- code )
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make-jit 2nip ;
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: jit-define ( quot name -- )
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[ make-jit-no-params ] dip set ;
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: define-sub-primitive ( quot word -- )
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[ make-jit 3array ] dip sub-primitives get set-at ;
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: define-combinator-primitive ( quot non-tail-quot tail-quot word -- )
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[
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[
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[ make-jit ]
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[ make-jit-no-params ]
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[ make-jit-no-params ]
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tri*
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] output>array
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] dip
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sub-primitives get set-at ;
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! The image being constructed; a vector of word-size integers
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SYMBOL: image
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! Image output format
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SYMBOL: big-endian
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! Bootstrap architecture name
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SYMBOL: architecture
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RESET
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! Boot quotation, set in stage1.factor
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SPECIAL-OBJECT: bootstrap-startup-quot 20
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! Bootstrap global namesapce
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SPECIAL-OBJECT: bootstrap-global 21
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! JIT parameters
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SPECIAL-OBJECT: jit-prolog 23
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SPECIAL-OBJECT: jit-primitive-word 24
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SPECIAL-OBJECT: jit-primitive 25
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SPECIAL-OBJECT: jit-word-jump 26
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SPECIAL-OBJECT: jit-word-call 27
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SPECIAL-OBJECT: jit-if-word 28
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SPECIAL-OBJECT: jit-if 29
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SPECIAL-OBJECT: jit-safepoint 30
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SPECIAL-OBJECT: jit-epilog 31
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SPECIAL-OBJECT: jit-return 32
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SPECIAL-OBJECT: jit-profiling 33
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SPECIAL-OBJECT: jit-push 34
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SPECIAL-OBJECT: jit-dip-word 35
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SPECIAL-OBJECT: jit-dip 36
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SPECIAL-OBJECT: jit-2dip-word 37
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SPECIAL-OBJECT: jit-2dip 38
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SPECIAL-OBJECT: jit-3dip-word 39
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SPECIAL-OBJECT: jit-3dip 40
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SPECIAL-OBJECT: jit-execute 41
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SPECIAL-OBJECT: jit-declare-word 42
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SPECIAL-OBJECT: c-to-factor-word 43
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SPECIAL-OBJECT: lazy-jit-compile-word 44
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SPECIAL-OBJECT: unwind-native-frames-word 45
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SPECIAL-OBJECT: fpu-state-word 46
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SPECIAL-OBJECT: set-fpu-state-word 47
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SPECIAL-OBJECT: signal-handler-word 48
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SPECIAL-OBJECT: leaf-signal-handler-word 49
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SPECIAL-OBJECT: ffi-signal-handler-word 50
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SPECIAL-OBJECT: ffi-leaf-signal-handler-word 51
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SPECIAL-OBJECT: callback-stub 53
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! PIC stubs
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SPECIAL-OBJECT: pic-load 54
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SPECIAL-OBJECT: pic-tag 55
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SPECIAL-OBJECT: pic-tuple 56
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SPECIAL-OBJECT: pic-check-tag 57
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SPECIAL-OBJECT: pic-check-tuple 58
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SPECIAL-OBJECT: pic-hit 59
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SPECIAL-OBJECT: pic-miss-word 60
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SPECIAL-OBJECT: pic-miss-tail-word 61
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! Megamorphic dispatch
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SPECIAL-OBJECT: mega-lookup 62
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SPECIAL-OBJECT: mega-lookup-word 63
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SPECIAL-OBJECT: mega-miss-word 64
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! Default definition for undefined words
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SPECIAL-OBJECT: undefined-quot 65
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: special-object-offset ( symbol -- n )
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special-objects get at header-size + ;
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: emit ( cell -- ) image get push ;
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: emit-64 ( cell -- )
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bootstrap-cell 8 = [
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emit
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] [
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d>w/w big-endian get [ swap ] unless emit emit
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] if ;
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: emit-seq ( seq -- ) image get push-all ;
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: fixup ( value offset -- ) image get set-nth ;
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: heap-size ( -- size )
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image get length header-size - special-objects-size -
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bootstrap-cells ;
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: here ( -- size ) heap-size data-base + ;
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: here-as ( tag -- pointer ) here bitor ;
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: (align-here) ( alignment -- )
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[ here neg ] dip rem
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[ bootstrap-cell /i [ 0 emit ] times ] unless-zero ;
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: align-here ( -- )
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data-alignment get (align-here) ;
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: emit-fixnum ( n -- ) tag-fixnum emit ;
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: emit-header ( n -- ) tag-header emit ;
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: emit-object ( class quot -- addr )
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[ type-number ] dip over here-as
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[ swap emit-header call align-here ] dip ;
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inline
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! Write an object to the image.
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GENERIC: ' ( obj -- ptr )
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! Image header
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: emit-image-header ( -- )
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image-magic emit
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image-version emit
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data-base emit ! relocation base at end of header
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0 emit ! size of data heap set later
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0 emit ! reloc base of code heap is 0
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0 emit ! size of code heap is 0
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0 emit ! pointer to t object
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0 emit ! pointer to bignum 0
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0 emit ! pointer to bignum 1
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0 emit ! pointer to bignum -1
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special-objects-size [ f ' emit ] times ;
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: emit-special-object ( symbol -- )
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[ get ' ] [ special-object-offset ] bi fixup ;
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! Bignums
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: bignum-bits ( -- n ) bootstrap-cell-bits 2 - ;
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: bignum-radix ( -- n ) bignum-bits 2^ 1 - ;
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: bignum>sequence ( n -- seq )
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#! n is positive or zero.
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[ dup 0 > ]
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[ [ bignum-bits neg shift ] [ bignum-radix bitand ] bi ]
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produce nip ;
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: emit-bignum ( n -- )
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dup dup 0 < [ neg ] when bignum>sequence
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[ nip length 1 + emit-fixnum ]
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[ drop 0 < 1 0 ? emit ]
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[ nip emit-seq ]
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2tri ;
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M: bignum '
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[
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bignum [ emit-bignum ] emit-object
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] cache-eql-object ;
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! Fixnums
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M: fixnum '
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#! When generating a 32-bit image on a 64-bit system,
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#! some fixnums should be bignums.
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dup
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bootstrap-most-negative-fixnum
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bootstrap-most-positive-fixnum between?
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[ tag-fixnum ] [ >bignum ' ] if ;
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TUPLE: fake-bignum n ;
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C: <fake-bignum> fake-bignum
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M: fake-bignum ' n>> tag-fixnum ;
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! Floats
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M: float '
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[
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float [
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8 (align-here) double>bits emit-64
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] emit-object
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] cache-eql-object ;
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! Special objects
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! Padded with fixnums for 8-byte alignment
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: t, ( -- ) t t-offset fixup ;
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M: f ' drop \ f type-number ;
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: 0, ( -- ) 0 >bignum ' 0-offset fixup ;
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: 1, ( -- ) 1 >bignum ' 1-offset fixup ;
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: -1, ( -- ) -1 >bignum ' -1-offset fixup ;
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! Words
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: word-sub-primitive ( word -- obj )
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[ target-word ] with-global sub-primitives get at ;
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: emit-word ( word -- )
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[
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[ subwords [ emit-word ] each ]
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[
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[
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{
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[ hashcode <fake-bignum> ]
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[ name>> ]
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[ vocabulary>> ]
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[ def>> ]
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[ props>> ]
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[ pic-def>> ]
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[ pic-tail-def>> ]
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[ word-sub-primitive ]
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[ drop 0 ] ! entry point
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} cleave
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] output>array [ ' ] map!
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] bi
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\ word [ emit-seq ] emit-object
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] keep put-object ;
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ERROR: not-in-image vocabulary word ;
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: transfer-word ( word -- word )
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[ target-word ] keep or ;
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: fixup-word ( word -- offset )
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transfer-word dup lookup-object
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[ ] [ [ vocabulary>> ] [ name>> ] bi not-in-image ] ?if ;
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: fixup-words ( -- )
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image get [ dup word? [ fixup-word ] when ] map! drop ;
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M: word ' ;
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! Wrappers
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M: wrapper '
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[ wrapped>> ' wrapper [ emit ] emit-object ] cache-eql-object ;
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! Strings
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: native> ( object -- object )
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big-endian get [ [ be> ] map ] [ [ le> ] map ] if ;
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: emit-bytes ( seq -- )
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bootstrap-cell <groups> native> emit-seq ;
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: pad-bytes ( seq -- newseq )
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dup length bootstrap-cell align 0 pad-tail ;
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: extended-part ( str -- str' )
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dup [ 128 < ] all? [ drop f ] [
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[ -7 shift 1 bitxor ] { } map-as
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big-endian get
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[ [ 2 >be ] { } map-as ]
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[ [ 2 >le ] { } map-as ] if
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B{ } join
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] if ;
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: ascii-part ( str -- str' )
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[
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[ 128 mod ] [ 128 >= ] bi
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[ 128 bitor ] when
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] B{ } map-as ;
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: emit-string ( string -- ptr )
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[ length ] [ extended-part ' ] [ ] tri
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string [
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[ emit-fixnum ]
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[ emit ]
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[ f ' emit ascii-part pad-bytes emit-bytes ]
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tri*
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] emit-object ;
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M: string '
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#! We pool strings so that each string is only written once
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#! to the image
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[ emit-string ] cache-eql-object ;
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: assert-empty ( seq -- )
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length 0 assert= ;
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: emit-dummy-array ( obj type -- ptr )
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[ assert-empty ] [
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[ 0 emit-fixnum ] emit-object
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] bi* ;
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M: byte-array '
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[
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byte-array [
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dup length emit-fixnum
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bootstrap-cell 4 = [ 0 emit 0 emit ] when
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pad-bytes emit-bytes
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] emit-object
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] cache-eq-object ;
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! Tuples
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ERROR: tuple-removed class ;
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: require-tuple-layout ( word -- layout )
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dup tuple-layout [ ] [ tuple-removed ] ?if ;
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: (emit-tuple) ( tuple -- pointer )
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[ tuple-slots ]
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[ class-of transfer-word require-tuple-layout ] bi prefix [ ' ] map
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tuple [ emit-seq ] emit-object ;
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: emit-tuple ( tuple -- pointer )
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dup class-of name>> "tombstone" =
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[ [ (emit-tuple) ] cache-eql-object ]
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[ [ (emit-tuple) ] cache-eq-object ]
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if ;
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M: tuple ' emit-tuple ;
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M: tombstone '
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state>> "((tombstone))" "((empty))" ?
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"hashtables.private" lookup-word def>> first
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[ emit-tuple ] cache-eql-object ;
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! Arrays
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: emit-array ( array -- offset )
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[ ' ] map array [ [ length emit-fixnum ] [ emit-seq ] bi ] emit-object ;
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M: array ' [ emit-array ] cache-eq-object ;
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! This is a hack. We need to detect arrays which are tuple
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! layout arrays so that they can be internalized, but making
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! them a built-in type is not worth it.
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PREDICATE: tuple-layout-array < array
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dup length 5 >= [
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{
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[ first-unsafe tuple-class? ]
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[ second-unsafe fixnum? ]
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[ third-unsafe fixnum? ]
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} 1&&
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] [ drop f ] if ;
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M: tuple-layout-array '
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[
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[ dup integer? [ <fake-bignum> ] when ] map
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emit-array
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] cache-eql-object ;
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! Quotations
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M: quotation '
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[
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array>> '
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quotation [
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emit ! array
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f ' emit ! cached-effect
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f ' emit ! cache-counter
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0 emit ! entry point
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] emit-object
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] cache-eql-object ;
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! End of the image
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: emit-words ( -- )
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all-words [ emit-word ] each ;
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: emit-global ( -- )
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{
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dictionary source-files builtins
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update-map implementors-map
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} [ [ bootstrap-word ] [ get global-box boa ] bi ] H{ } map>assoc
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{
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class<=-cache class-not-cache classes-intersect-cache
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class-and-cache class-or-cache next-method-quot-cache
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} [ H{ } clone global-box boa ] H{ } map>assoc assoc-union
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global-hashtable boa
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bootstrap-global set ;
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: emit-jit-data ( -- )
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\ if jit-if-word set
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\ do-primitive jit-primitive-word set
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\ dip jit-dip-word set
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\ 2dip jit-2dip-word set
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\ 3dip jit-3dip-word set
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\ inline-cache-miss pic-miss-word set
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\ inline-cache-miss-tail pic-miss-tail-word set
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\ mega-cache-lookup mega-lookup-word set
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\ mega-cache-miss mega-miss-word set
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\ declare jit-declare-word set
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\ c-to-factor c-to-factor-word set
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\ lazy-jit-compile lazy-jit-compile-word set
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\ unwind-native-frames unwind-native-frames-word set
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\ fpu-state fpu-state-word set
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\ set-fpu-state set-fpu-state-word set
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\ signal-handler signal-handler-word set
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\ leaf-signal-handler leaf-signal-handler-word set
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\ ffi-signal-handler ffi-signal-handler-word set
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\ ffi-leaf-signal-handler ffi-leaf-signal-handler-word set
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undefined-def undefined-quot set ;
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: emit-special-objects ( -- )
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special-objects get keys [ emit-special-object ] each ;
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: fixup-header ( -- )
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heap-size data-heap-size-offset fixup ;
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: build-generics ( -- )
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[
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all-words
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[ generic? ] filter
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[ make-generic ] each
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] with-compilation-unit ;
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: build-image ( -- image )
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600,000 <vector> image set
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60,000 <hashtable> objects set
|
|
emit-image-header t, 0, 1, -1,
|
|
"Building generic words..." print flush
|
|
build-generics
|
|
"Serializing words..." print flush
|
|
emit-words
|
|
"Serializing JIT data..." print flush
|
|
emit-jit-data
|
|
"Serializing global namespace..." print flush
|
|
emit-global
|
|
"Serializing special object table..." print flush
|
|
emit-special-objects
|
|
"Performing word fixups..." print flush
|
|
fixup-words
|
|
"Performing header fixups..." print flush
|
|
fixup-header
|
|
"Image length: " write image get length .
|
|
"Object cache size: " write objects get assoc-size .
|
|
\ last-word-symbol global delete-at
|
|
image get ;
|
|
|
|
! Image output
|
|
|
|
: (write-image) ( image -- )
|
|
bootstrap-cell output-stream get
|
|
big-endian get
|
|
[ '[ _ >be _ stream-write ] each ]
|
|
[ '[ _ >le _ stream-write ] each ] if ;
|
|
|
|
: write-image ( image -- )
|
|
"Writing image to " write
|
|
architecture get boot-image-name resource-path
|
|
[ write "..." print flush ]
|
|
[ binary [ (write-image) ] with-file-writer ] bi ;
|
|
|
|
PRIVATE>
|
|
|
|
: make-image ( arch -- )
|
|
architecture associate H{
|
|
{ parser-quiet? f }
|
|
{ auto-use? f }
|
|
} assoc-union! [
|
|
"resource:/core/bootstrap/stage1.factor" run-file
|
|
build-image
|
|
write-image
|
|
] with-variables ;
|
|
|
|
: make-images ( -- )
|
|
images [ make-image ] each ;
|
|
|
|
: make-my-image ( -- )
|
|
my-arch make-image ;
|