factor/extra/tools/annotations/annotations.factor

57 lines
1.4 KiB
Factor
Executable File

! Copyright (C) 2005, 2007 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel words parser io inspector quotations sequences
prettyprint continuations effects definitions compiler.units ;
IN: tools.annotations
: reset ( word -- )
dup "unannotated-def" word-prop [
[
dup dup "unannotated-def" word-prop define
] with-compilation-unit
f "unannotated-def" set-word-prop
] [ drop ] if ;
: annotate ( word quot -- )
over "unannotated-def" word-prop [
"Cannot annotate a word twice" throw
] when
[
over dup word-def "unannotated-def" set-word-prop
>r dup word-def r> call define
] with-compilation-unit ; inline
: word-inputs ( word -- seq )
stack-effect [
>r datastack r> effect-in length tail*
] [
datastack
] if* ;
: entering ( str -- )
"/-- Entering: " write dup .
word-inputs stack.
"\\--" print flush ;
: leaving ( str -- )
"/-- Leaving: " write dup .
stack-effect [
>r datastack r> effect-out length tail* stack.
] [
.s
] if* "\\--" print flush ;
: (watch) ( word def -- def )
over [ entering ] curry
rot [ leaving ] curry
swapd 3append ;
: watch ( word -- )
dup [ (watch) ] annotate ;
: breakpoint ( word -- )
[ \ break add* ] annotate ;
: breakpoint-if ( word quot -- )
[ [ [ break ] when ] rot 3append ] curry annotate ;