Date: Sun, 24 Jan 1999 21:48:30 +0900 (JST) From: dcs@newsguy.com To: FreeBSD-gnats-submit@FreeBSD.ORG Subject: bin/9662: Conditional compilation for ficl Message-ID: <199901241248.VAA00511@daniel.sobral>
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>Number: 9662
>Category: bin
>Synopsis: FICL has no builtin facility for conditional compilation
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Sun Jan 24 04:50:01 PST 1999
>Closed-Date:
>Last-Modified:
>Originator: Daniel C. Sobral
>Release: FreeBSD 4.0-CURRENT i386
>Organization:
>Environment:
Current as of Jan 23
>Description:
There is no builtin facility in ficl for conditional compilation.
This is actually just a minor problem, since one can be easily written
by standard programs. Indeed, the one implemented here has come straight
out of ANS Forth draft proposal, plus minor case correction.
>How-To-Repeat:
UTSL.
>Fix:
Apply the following fix:
--- src/sys/boot/ficl/softwords/softcore.fr 1999/01/09 22:35:43 1.2
+++ src/sys/boot/ficl/softwords/softcore.fr 1999/01/24 12:23:52
@@ -78,6 +78,38 @@
loop drop
;
+\ ** Some TOOLS EXT words, straight from the standard
+: [else] ( -- )
+ 1 begin \ level
+ begin
+ bl word count dup while \ level adr len
+ 2dup s" [IF]" compare 0= >r
+ 2dup s" [if]" compare 0= r> or
+ if \ level adr len
+ 2drop 1+ \ level'
+ else \ level adr len
+ 2dup s" [ELSE]" compare 0= >r
+ 2dup s" [else]" compare 0= r> or
+ if \ level adr len
+ 2drop 1- dup if 1+ then \ level'
+ else \ level adr len
+ 2dup
+ s" [THEN]" compare 0= >r \ level adr len
+ s" [then]" compare 0= r> or
+ if \ level
+ 1- \ level'
+ then
+ then
+ then ?dup 0= if exit then \ level'
+ repeat 2drop \ level
+ refill 0= until \ level
+ drop
+; immediate
+
+: [if] ( flag -- )
+0= if postpone [else] then ; immediate
+
+: [then] ( -- ) ; immediate
\ ** SEARCH+EXT words and ficl helpers
\
: wordlist ( -- )
>Release-Note:
>Audit-Trail:
>Unformatted:
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