37 lines
1.1 KiB
Factor
37 lines
1.1 KiB
Factor
! Copyright (C) 2005 Slava Pestov.
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! See http://factor.sf.net/license.txt for BSD license.
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IN: words
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! The annotation words let you flag a word for either tracing
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! or single-stepping. Note that currently, words referring to
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! annotated words cannot be compiled; and annotating a word has
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! no effect of compiled calls to that word.
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USING: interpreter io kernel lists namespaces prettyprint
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sequences strings test ;
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: annotate ( word quot -- | quot: word def -- def )
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over >r >r dup word-def r> call r> swap (define-compound) ;
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inline
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: (watch) ( word def -- def )
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[
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"===> Entering: " pick word-name append , \ print ,
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\ .s ,
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%
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"===> Leaving: " swap word-name append , \ print ,
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\ .s ,
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] make-list ;
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: watch ( word -- )
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#! Cause a message to be printed out when the word is
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#! executed.
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[ (watch) ] annotate ;
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: break ( word -- )
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#! Cause the word to start the code walker when executed.
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[ nip [ walk ] cons ] annotate ;
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: timer ( word -- )
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#! Print the time taken to execute the word when it's called.
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[ nip [ time ] cons ] annotate ;
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