*** empty log message ***
authorclaus
Sat, 05 Feb 1994 13:24:58 +0100
changeset 50 71f3b9444905
parent 49 f1c2d75f2eb6
child 51 9b7ae5e18f3e
*** empty log message ***
Set.st
SmallInt.st
SmallInteger.st
Smalltalk.st
Stream.st
--- a/Set.st	Sat Feb 05 13:23:03 1994 +0100
+++ b/Set.st	Sat Feb 05 13:24:58 1994 +0100
@@ -24,7 +24,7 @@
 
 a Set is a collection where each element occurs at most once.
 
-$Header: /cvs/stx/stx/libbasic/Set.st,v 1.6 1994-01-09 21:24:05 claus Exp $
+$Header: /cvs/stx/stx/libbasic/Set.st,v 1.7 1994-02-05 12:24:12 claus Exp $
 written jun 91 by claus
 jan 93 claus: changed to use hashing
 jan 94 claus: recoded to mark empty slots instead of rehashing
@@ -341,7 +341,16 @@
 
     |index next|
 
+"this is actually the same as:
+
     index := self find:oldObject ifAbsent:[^ exceptionBlock value].
+
+ but cheaper, since there will be no new block to create
+ (remember: [0] blocks are super-cheap)
+"
+    index := self find:oldObject ifAbsent:[0].
+    index == 0 ifTrue:[^ exceptionBlock value].
+
     keyArray basicAt:index put:nil.
     tally := tally - 1.
     tally == 0 ifTrue:[
@@ -365,9 +374,14 @@
 do:aBlock
     "perform the block for all members in the collection."
 
-    keyArray do:[:each |
-        (each notNil and:[each ~~ DeletedEntry]) ifTrue:[
-            aBlock value:each
+    |sz "{ Class: SmallInteger }"
+     element|
+
+    sz := keyArray size.
+    1 to:sz do:[:index |
+        element := keyArray at:index.
+        (element notNil and:[element ~~ DeletedEntry]) ifTrue:[
+            aBlock value:element
         ]
     ]
 ! !
--- a/SmallInt.st	Sat Feb 05 13:23:03 1994 +0100
+++ b/SmallInt.st	Sat Feb 05 13:24:58 1994 +0100
@@ -22,7 +22,7 @@
 COPYRIGHT (c) 1988 by Claus Gittinger
               All Rights Reserved
 
-$Header: /cvs/stx/stx/libbasic/Attic/SmallInt.st,v 1.8 1994-01-16 03:46:48 claus Exp $
+$Header: /cvs/stx/stx/libbasic/Attic/SmallInt.st,v 1.9 1994-02-05 12:24:25 claus Exp $
 
 SmallIntegers are Integers in the range of +/- 2^30 (i.e. 31 bits).
 These are no real objects - they have no instances (not even storage !!)
@@ -98,6 +98,13 @@
     "this class is known by the run-time-system"
 
     ^ true
+!
+
+canBeSubclassed
+    "return true, if its allowed to create subclasses of the receiver.
+     Return nil here - since it is NOT possible for UndefinedObject"
+
+    ^ false
 ! !
 
 !SmallInteger methodsFor:'error catching'!
--- a/SmallInteger.st	Sat Feb 05 13:23:03 1994 +0100
+++ b/SmallInteger.st	Sat Feb 05 13:24:58 1994 +0100
@@ -22,7 +22,7 @@
 COPYRIGHT (c) 1988 by Claus Gittinger
               All Rights Reserved
 
-$Header: /cvs/stx/stx/libbasic/SmallInteger.st,v 1.8 1994-01-16 03:46:48 claus Exp $
+$Header: /cvs/stx/stx/libbasic/SmallInteger.st,v 1.9 1994-02-05 12:24:25 claus Exp $
 
 SmallIntegers are Integers in the range of +/- 2^30 (i.e. 31 bits).
 These are no real objects - they have no instances (not even storage !!)
@@ -98,6 +98,13 @@
     "this class is known by the run-time-system"
 
     ^ true
+!
+
+canBeSubclassed
+    "return true, if its allowed to create subclasses of the receiver.
+     Return nil here - since it is NOT possible for UndefinedObject"
+
+    ^ false
 ! !
 
 !SmallInteger methodsFor:'error catching'!
--- a/Smalltalk.st	Sat Feb 05 13:23:03 1994 +0100
+++ b/Smalltalk.st	Sat Feb 05 13:24:58 1994 +0100
@@ -32,7 +32,7 @@
  - my implementation of globals is totally different
    (due to the need to be able to access globals from c-code as well).
 
-$Header: /cvs/stx/stx/libbasic/Smalltalk.st,v 1.12 1994-01-16 03:47:00 claus Exp $
+$Header: /cvs/stx/stx/libbasic/Smalltalk.st,v 1.13 1994-02-05 12:24:39 claus Exp $
 '!
 
 Smalltalk at:#ErrorNumber put:nil!
@@ -85,7 +85,7 @@
 versionDate
     "return the version date"
 
-    ^ '19-jan-1993'
+    ^ '21-jan-1993'
 
     "Smalltalk versionDate"
 !
@@ -93,7 +93,7 @@
 copyright
     "return a copyright string"
 
-    ^ 'Copyright (c) 1988-93 by Claus Gittinger'
+    ^ 'Copyright (c) 1988-94 by Claus Gittinger'
 
     "Smalltalk copyright"
 !
@@ -335,8 +335,10 @@
     ].
 
     Initializing := false.
+
+    "do not expect to get things fixed by setting it to false ... :-)"
     DemoMode ifTrue:[
-        Transcript showCr:'Unlicensed demo mode with limitations.'
+        Transcript showCr:'    *** Unlicensed demo mode with restrictions ***'
     ].
 
     "let display install itself into Processors dispatch"
@@ -418,7 +420,7 @@
     Transcript cr.
     Transcript showCr:('Smalltalk restarted from:' , ImageName).
     DemoMode ifTrue:[
-        Transcript showCr:'Unlicensed demo mode with limitations.'
+        Transcript showCr:'    *** Unlicensed demo mode with restrictions ***'
     ].
 
     "
--- a/Stream.st	Sat Feb 05 13:23:03 1994 +0100
+++ b/Stream.st	Sat Feb 05 13:24:58 1994 +0100
@@ -22,7 +22,7 @@
 COPYRIGHT (c) 1989 by Claus Gittinger
               All Rights Reserved
 
-$Header: /cvs/stx/stx/libbasic/Stream.st,v 1.4 1993-10-13 02:14:01 claus Exp $
+$Header: /cvs/stx/stx/libbasic/Stream.st,v 1.5 1994-02-05 12:24:58 claus Exp $
 '!
 
 !Stream class methodsFor:'instance creation'!
@@ -204,32 +204,33 @@
 !Stream methodsFor: 'nonhomogeneous accessing'!
 
 nextNumber: n 
-        "Answer the next n bytes as a positive Integer or LargePositiveInteger."
+        "Answer the next n bytes as a positive Integer."
 
         | s i |
+
         n <= 4 ifTrue:[
-            s _ 0.
-            i _ 0.
-            [(i _ i + 1) <= n] whileTrue: [s _ ((s bitShift: 8) bitOr: self next)].
-            ^s
+            s := 0.
+            i := 0.
+            [(i := i + 1) <= n] whileTrue: [s := ((s bitShift: 8) bitOr: self next)].
+            ^ s
         ].
-        s _ 0.
+        s := 0.
         1 to: n do: [:j | s := s * 256 + self next].
         "reverse order of significance"
         ^s truncated
 !
 
 nextNumber: n put: v 
-        "Append to the receiver the argument, v, which is a positive SmallInteger or
-        a LargePositiveInteger, as the next n bytes.  Possibly pad with leading zeros."
-
+        "Append to the receiver the argument, v, which is a positive Integer,
+         as the next n bytes.  Possibly pad with leading zeros."
 
         | vlen i |
-        n < (vlen _ v digitLength) ifTrue: [self error: 'number too big'].
+
+        n < (vlen := v digitLength) ifTrue: [self error: 'number too big'].
 
         "pad with leading zeros"
-        i _ n.
-        [i > vlen] whileTrue: [self nextPut: 0. i _ i - 1].
+        i := n.
+        [i > vlen] whileTrue: [self nextPut: 0. i := i - 1].
         i = 1 ifTrue: [^self nextPut: v].
-        [i > 0] whileTrue: [self nextPut: (v digitAt: i). i _ i - 1]
+        [i > 0] whileTrue: [self nextPut: (v digitAt: i). i := i - 1]
 ! !