SignalSet.st
changeset 622 a17084b7ac06
parent 530 07d0bce293c9
child 696 d11342e8b7ad
--- a/SignalSet.st	Thu Nov 23 11:48:27 1995 +0100
+++ b/SignalSet.st	Thu Nov 23 12:08:17 1995 +0100
@@ -33,10 +33,6 @@
 "
 !
 
-version
-    ^ '$Header: /cvs/stx/stx/libbasic/SignalSet.st,v 1.15 1995-11-11 15:26:54 cg Exp $'
-!
-
 documentation
 "
     SignalSet allows catching of multiple signals. A SignalSet consists of
@@ -56,6 +52,10 @@
     Use signalSets if totally unrelated signals should be handled by one common
     handler.
 "
+!
+
+version
+    ^ '$Header: /cvs/stx/stx/libbasic/SignalSet.st,v 1.16 1995-11-23 11:08:17 cg Exp $'
 ! !
 
 !SignalSet class methodsFor:'instance creation'!
@@ -70,8 +70,51 @@
     ^ SetOfAnySignal
 ! !
 
+!SignalSet methodsFor:'queries'!
+
+accepts:aSignal
+    "return true, if the receiver accepts the argument, aSignal.
+     (i.e. if any of the receivers elements is aSignal or a parent of it).
+     False otherwise. The special anySet accepts any (non-query) signal."
+
+    (self == SetOfAnySignal) ifTrue:[^ aSignal isQuerySignal not].
+    self do:[:sig | (sig accepts:aSignal) ifTrue:[^ true]].
+    ^ false
+!
+
+includes:aSignal
+    "return true, if the receiver contains the argument, aSignal.
+     The special any-Set includes every (non-query) signal."
+
+    (self == SetOfAnySignal) ifTrue:[
+	^ (aSignal isSignal and:[aSignal isQuerySignal not])
+    ].
+    ^ super includes:aSignal
+! !
+
 !SignalSet methodsFor:'save evaluation'!
 
+catch:aBlock
+     "evaluate the argument, aBlock.
+      If any of the signals in the receiver is raised during evaluation, 
+      abort the evaluation and return true; otherwise return false. 
+      With the special anySignal, evaluation can be performed totally save 
+      from signals 
+      - but who (beside radical c++ fans) would do that ?"
+
+      |raiseOccurred|
+
+      raiseOccurred := false.
+      self handle:[:ex | raiseOccurred := true. ex return] do:aBlock.
+      ^ raiseOccurred
+
+      "
+       SignalSet anySignal catch:[
+	  (#(1 2 3 4) at:5) / 0.0
+       ]
+      "
+!
+
 handle:handleBlock do:aBlock
     "evaluate the argument, aBlock.
      If any of the signals in the receiver is raised during evaluation,
@@ -106,27 +149,6 @@
      ^ aBlock value  "the real logic is in raise/Exception"
 !
 
-catch:aBlock
-     "evaluate the argument, aBlock.
-      If any of the signals in the receiver is raised during evaluation, 
-      abort the evaluation and return true; otherwise return false. 
-      With the special anySignal, evaluation can be performed totally save 
-      from signals 
-      - but who (beside radical c++ fans) would do that ?"
-
-      |raiseOccurred|
-
-      raiseOccurred := false.
-      self handle:[:ex | raiseOccurred := true. ex return] do:aBlock.
-      ^ raiseOccurred
-
-      "
-       SignalSet anySignal catch:[
-	  (#(1 2 3 4) at:5) / 0.0
-       ]
-      "
-!
-
 ignore:aBlock
      "evaluate the argument, aBlock.
       Ignore the receiver-signal during evaluation - i.e. simply
@@ -143,24 +165,3 @@
       "
 ! !
 
-!SignalSet methodsFor:'queries'!
-
-accepts:aSignal
-    "return true, if the receiver accepts the argument, aSignal.
-     (i.e. if any of the receivers elements is aSignal or a parent of it).
-     False otherwise. The special anySet accepts any (non-query) signal."
-
-    (self == SetOfAnySignal) ifTrue:[^ aSignal isQuerySignal not].
-    self do:[:sig | (sig accepts:aSignal) ifTrue:[^ true]].
-    ^ false
-!
-
-includes:aSignal
-    "return true, if the receiver contains the argument, aSignal.
-     The special any-Set includes every (non-query) signal."
-
-    (self == SetOfAnySignal) ifTrue:[
-	^ (aSignal isSignal and:[aSignal isQuerySignal not])
-    ].
-    ^ super includes:aSignal
-! !