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authorDimitri Sokolyuk <demon@dim13.org>2017-08-19 12:15:28 +0200
committerDimitri Sokolyuk <demon@dim13.org>2017-08-19 12:15:28 +0200
commit67d25d837ac55f28a366c0a3b262e439a6e75fc3 (patch)
treedf7715c7724c5935ab87c807f3b8b4ef529315e3 /amforth-6.5/common/lib/forth2012/tools/bracket-conditional.frt
parente0d6784e89dba33226c0edb815bb974486fa7c48 (diff)
Add AmForth
Diffstat (limited to 'amforth-6.5/common/lib/forth2012/tools/bracket-conditional.frt')
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1 files changed, 20 insertions, 0 deletions
diff --git a/amforth-6.5/common/lib/forth2012/tools/bracket-conditional.frt b/amforth-6.5/common/lib/forth2012/tools/bracket-conditional.frt
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+++ b/amforth-6.5/common/lib/forth2012/tools/bracket-conditional.frt
@@ -0,0 +1,20 @@
+
+: [else] \ ( -- )
+ begin
+ begin
+ parse-name
+ dup
+ while
+ 2dup s" [else]" icompare
+ ?dup 0=
+ if exit then
+ repeat 2drop
+ refill 0=
+ until
+; immediate
+
+: [if] \ ( flag -- )
+ 0= if postpone [else] then
+; immediate
+
+: [then] ; immediate