91 lines
2.4 KiB
Factor
Executable File
91 lines
2.4 KiB
Factor
Executable File
! Copyright (C) 2004, 2008 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: kernel namespaces arrays sequences io debugger words fry
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compiler.units continuations vocabs assocs dlists definitions
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math threads graphs generic combinators deques search-deques
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stack-checker stack-checker.state compiler.generator
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compiler.errors compiler.tree.builder compiler.tree.optimizer ;
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IN: compiler
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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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: compile-begins ( word -- )
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f swap compiler-error ;
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: compile-failed ( 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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: compile-succeeded ( 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 >alist
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generic-dependencies get >alist
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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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H{ } clone dependencies set
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H{ } clone generic-dependencies set
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_ {
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[ compile-begins ]
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[
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[ build-tree-from-word ] [ compile-failed return ] recover
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optimize-tree
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]
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[ dup generate ]
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[ compile-succeeded ]
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} cleave
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] with-return ;
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: compile-loop ( deque -- )
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[ (compile) yield ] slurp-deque ;
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: decompile ( word -- )
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f 2array 1array t 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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