factor/library/syntax/see.factor

114 lines
3.2 KiB
Factor

! :folding=indent:collapseFolds=1:
! $Id$
!
! Copyright (C) 2003, 2004 Slava Pestov.
!
! Redistribution and use in source and binary forms, with or without
! modification, are permitted provided that the following conditions are met:
!
! 1. Redistributions of source code must retain the above copyright notice,
! this list of conditions and the following disclaimer.
!
! 2. Redistributions in binary form must reproduce the above copyright notice,
! this list of conditions and the following disclaimer in the documentation
! and/or other materials provided with the distribution.
!
! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
IN: prettyprint
USE: generic
USE: kernel
USE: lists
USE: math
USE: stdio
USE: strings
USE: presentation
USE: unparser
USE: words
! Prettyprinting words
: vocab-attrs ( word -- attrs )
vocab-link "object-link" default-style acons ;
: prettyprint-vocab ( vocab -- )
dup vocab-attrs write-attr ;
: prettyprint-IN: ( indent word -- )
\ IN: prettyprint* prettyprint-space
word-vocabulary prettyprint-vocab prettyprint-newline ;
: prettyprint-: ( indent -- indent )
\ : prettyprint* prettyprint-space
tab-size + ;
: prettyprint-; ( indent -- indent )
\ ; prettyprint*
tab-size - ;
: prettyprint-prop ( word prop -- )
tuck word-name word-property [
prettyprint-space prettyprint-1
] [
drop
] ifte ;
: prettyprint-plist ( word -- )
dup
\ parsing prettyprint-prop
\ inline prettyprint-prop ;
: prettyprint-comment ( comment -- )
"comments" style write-attr ;
: stack-effect. ( word -- )
stack-effect [
" " write
[ CHAR: ( , , CHAR: ) , ] make-string prettyprint-comment
] when* ;
: documentation. ( indent word -- indent )
documentation [
"\n" split [
"#!" swap cat2 prettyprint-comment
dup prettyprint-newline
] each
] when* ;
: prettyprint-docs ( indent word -- indent )
[
stack-effect. dup prettyprint-newline
] keep documentation. ;
GENERIC: see ( word -- )
M: object see ( obj -- )
"Not a word: " write . ;
M: compound see ( word -- )
0 swap
[ dupd prettyprint-IN: prettyprint-: ] keep
[ prettyprint-1 ] keep
[ prettyprint-docs ] keep
[ word-parameter prettyprint-list prettyprint-; ] keep
prettyprint-plist prettyprint-newline ;
M: primitive see ( word -- )
"PRIMITIVE: " write dup unparse write stack-effect. terpri ;
M: symbol see ( word -- )
0 over prettyprint-IN:
\ SYMBOL: prettyprint-1 prettyprint-space . ;
M: undefined see ( word -- )
drop "Not defined" print ;