132 lines
3.4 KiB
Factor
132 lines
3.4 KiB
Factor
! Copyright (C) 2004, 2009 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors kernel namespaces arrays sequences io
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words fry continuations vocabs assocs dlists definitions math
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graphs generic combinators deques search-deques io
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stack-checker stack-checker.state stack-checker.inlining
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compiler.errors compiler.units compiler.tree.builder
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compiler.tree.optimizer compiler.cfg.builder
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compiler.cfg.optimizer compiler.cfg.linearization
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compiler.cfg.two-operand compiler.cfg.linear-scan
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compiler.cfg.stack-frame compiler.codegen compiler.utilities ;
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IN: compiler
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SYMBOL: compile-queue
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SYMBOL: compiled
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: queue-compile ( word -- )
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{
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{ [ dup "forgotten" word-prop ] [ ] }
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{ [ dup compiled get key? ] [ ] }
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{ [ dup inlined-block? ] [ ] }
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{ [ dup primitive? ] [ ] }
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[ dup compile-queue get push-front ]
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} cond drop ;
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: maybe-compile ( word -- )
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dup optimized>> [ drop ] [ queue-compile ] if ;
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SYMBOL: +failed+
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: ripple-up ( words -- )
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dup "compiled-effect" word-prop +failed+ eq?
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[ usage [ word? ] filter ] [ compiled-usage keys ] if
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[ queue-compile ] each ;
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: ripple-up? ( word effect -- ? )
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#! If the word has previously been compiled and had a
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#! different stack effect, we have to recompile any callers.
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swap "compiled-effect" word-prop [ = not ] keep and ;
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: save-effect ( word effect -- )
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[ dupd ripple-up? [ ripple-up ] [ drop ] if ]
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[ "compiled-effect" set-word-prop ]
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2bi ;
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: start ( word -- )
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"trace-compilation" get [ dup name>> print flush ] when
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H{ } clone dependencies set
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H{ } clone generic-dependencies set
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f swap compiler-error ;
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: fail ( word error -- )
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[ swap compiler-error ]
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[
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drop
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[ compiled-unxref ]
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[ f swap compiled get set-at ]
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[ +failed+ save-effect ]
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tri
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] 2bi
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return ;
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: frontend ( word -- effect nodes )
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[ build-tree-from-word ] [ fail ] recover optimize-tree ;
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! Only switch this off for debugging.
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SYMBOL: compile-dependencies?
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t compile-dependencies? set-global
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: save-asm ( asm -- )
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[ [ code>> ] [ label>> ] bi compiled get set-at ]
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[ compile-dependencies? get [ calls>> [ maybe-compile ] each ] [ drop ] if ]
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bi ;
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: backend ( nodes word -- )
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build-cfg [
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optimize-cfg
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build-mr
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convert-two-operand
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linear-scan
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build-stack-frame
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generate
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save-asm
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] each ;
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: finish ( effect word -- )
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[ swap save-effect ]
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[ compiled-unxref ]
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[
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dup crossref?
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[
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dependencies get
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generic-dependencies get
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compiled-xref
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] [ drop ] if
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] tri ;
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: (compile) ( word -- )
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'[
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_ {
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[ start ]
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[ frontend ]
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[ backend ]
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[ finish ]
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} cleave
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] with-return ;
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: compile-loop ( deque -- )
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[ (compile) yield-hook get call ] slurp-deque ;
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: decompile ( word -- )
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f 2array 1array modify-code-heap ;
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: optimized-recompile-hook ( words -- alist )
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[
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<hashed-dlist> compile-queue set
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H{ } clone compiled set
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[ queue-compile ] each
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compile-queue get compile-loop
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compiled get >alist
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] with-scope ;
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: enable-compiler ( -- )
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[ optimized-recompile-hook ] recompile-hook set-global ;
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: disable-compiler ( -- )
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[ default-recompile-hook ] recompile-hook set-global ;
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: recompile-all ( -- )
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forget-errors all-words compile ;
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