91 lines
2.3 KiB
Factor
91 lines
2.3 KiB
Factor
! Copyright (C) 2009 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: concurrency.promises models tools.continuations kernel
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sequences concurrency.messaging locals continuations threads
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namespaces namespaces.private make assocs accessors io strings
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prettyprint math math.parser words effects summary io.styles classes
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generic.math combinators.short-circuit kernel.private quotations ;
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IN: tools.trace
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SYMBOL: exclude-vocabs
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SYMBOL: include-vocabs
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exclude-vocabs { "math" "accessors" } swap set-global
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<PRIVATE
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: callstack-depth ( callstack -- n )
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callstack>array midpoint@ ;
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SYMBOL: end
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: include? ( vocab -- ? )
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include-vocabs get [ member? ] [ drop t ] if* ;
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: exclude? ( vocab -- ? )
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exclude-vocabs get [ member? ] [ drop f ] if* ;
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: into? ( obj -- ? )
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{
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[ word? ]
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[ predicate? not ]
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[ math-generic? not ]
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[
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{
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[ inline? ]
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[
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{
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[ vocabulary>> include? ]
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[ vocabulary>> exclude? not ]
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} 1&&
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]
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} 1||
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]
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} 1&& ;
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TUPLE: trace-step-state word inputs ;
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M: trace-step-state summary
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[
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[ "Word: " % word>> name>> % ]
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[ " -- inputs: " % inputs>> unparse-short % ] bi
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] "" make ;
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: <trace-step> ( continuation word -- trace-step )
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[ nip ] [ [ data>> ] [ stack-effect in>> length ] bi* short tail* ] 2bi
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\ trace-step-state boa ;
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: print-step ( continuation -- )
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dup continuation-current dup word? [
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[ nip name>> ] [ <trace-step> ] 2bi write-object nl
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] [
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nip short.
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] if ;
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: print-depth ( continuation -- )
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call>> callstack-depth
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[ CHAR: \s <string> write ]
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[ number>string write ": " write ] bi ;
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: trace-into? ( continuation -- ? )
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continuation-current into? ;
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: trace-step ( continuation -- continuation' )
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dup call>> innermost-frame-executing quotation? [
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dup continuation-current end eq? [
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[ print-depth ]
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[ print-step ]
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[ dup trace-into? [ continuation-step-into ] [ continuation-step ] if ]
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tri
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] unless
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] when ;
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PRIVATE>
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: trace ( quot -- data )
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[ [ trace-step ] break-hook ] dip
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[ break ] [ end drop ] surround
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with-variable ;
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<< \ trace t "no-compile" set-word-prop >>
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