aboutsummaryrefslogtreecommitdiff
path: root/amforth-6.5/common/lib/forth2012/core-ext/exceptions.frt
diff options
context:
space:
mode:
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/core-ext/exceptions.frt
parente0d6784e89dba33226c0edb815bb974486fa7c48 (diff)
Add AmForth
Diffstat (limited to 'amforth-6.5/common/lib/forth2012/core-ext/exceptions.frt')
-rw-r--r--amforth-6.5/common/lib/forth2012/core-ext/exceptions.frt15
1 files changed, 15 insertions, 0 deletions
diff --git a/amforth-6.5/common/lib/forth2012/core-ext/exceptions.frt b/amforth-6.5/common/lib/forth2012/core-ext/exceptions.frt
new file mode 100644
index 0000000..ec175a0
--- /dev/null
+++ b/amforth-6.5/common/lib/forth2012/core-ext/exceptions.frt
@@ -0,0 +1,15 @@
+\ ******************************************
+\ some exceptions
+\ ******************************************
+
+: ?throw ( f exc -- )
+ swap if throw then drop
+;
+
+: ?comp ( -- )
+ state @ 0= -&14 ?throw
+;
+
+: ?pairs ( n1 n2 -- )
+ - -&22 ?throw
+;