Initial commit of unchanged sources from pdst version 0004 as found in pdst_20070506_01.zip at https://github.com/kyle-github/littlesmalltalk/tree/master/archive NOTE: This version doesn't build out of the box on modern compilers, needs a couple of small fixes.
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34
Makefile
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34
Makefile
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CC = gcc
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XSOPT =
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SOPT = -Wall -O2 -fno-defer-pop
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CPY = cp -a
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DEL = rm -f
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pdst.s: pdst.c
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$(CC) $(XSOPT) $(SOPT) -S pdst.c
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pdst.o: pdst.s
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$(CC) -c pdst.s
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pdst: pdst.o
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$(CC) -o pdst pdst.o -lm
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systemImage: initial.st
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./pdst -c initial.st
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.PHONY: test1
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test1:
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$(CPY) snapshot snapshot.1
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./pdst -w snapshot <test1.kbd
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.PHONY: test2
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test2:
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$(CPY) snapshot snapshot.2
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./pdst -w snapshot <test2.kbd
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.PHONY: clean
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clean:
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$(DEL) snapshot.2 test2.one.out test2.all.out
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$(DEL) snapshot.1
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$(DEL) snapshot transcript systemImage
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$(DEL) pdst pdst.o pdst.s
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2974
initial.st
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2974
initial.st
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File diff suppressed because it is too large
Load Diff
50
queen.st
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50
queen.st
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Object
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subclass: #NullQueen
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instanceVariableNames: ''!
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{!
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NullQueen methods!
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checkRow: row column: column
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" we can't attack anything "
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^ false!
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first
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^ true!
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next
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^ true!
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result
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^ List new!
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}!
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Object
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subclass: #Queen
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instanceVariableNames: 'row column neighbor'!
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{!
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Queen methods!
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advance
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(row = 8)
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ifTrue: [ (neighbor next) ifFalse: [ ^ false ].
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row <- 0 ].
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row <- row + 1.
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^ true!
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checkRow: testRow column: testColumn | columnDifference |
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columnDifference <- testColumn - column.
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(((row = testRow) or:
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[ row + columnDifference = testRow]) or:
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[ row - columnDifference = testRow])
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ifTrue: [ ^ true ].
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^ neighbor checkRow: testRow column: testColumn!
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first
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neighbor first.
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row <- 1.
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^ self testPosition!
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next
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^ (self advance) and: [ self testPosition ]!
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result
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^ neighbor result addLast: row!
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setColumn: aNumber neighbor: aQueen
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column <- aNumber.
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neighbor <- aQueen!
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testPosition
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[neighbor checkRow: row column: column]
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whileTrue: [ (self advance) ifFalse: [ ^ false ]].
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^ true!
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}!
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3
test1.kbd
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3
test1.kbd
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stdout print: 'echoInput <- true'. echoInput <- true
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File new fileIn: 'test1.st'
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Test1 new all
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123
test1.st
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123
test1.st
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test1note <- '
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Derived from:
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Little Smalltalk, version 2
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Written by Tim Budd, Oregon State University, July 1987
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Function:
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A few test cases.
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Example:
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File new fileIn: ''test1.st''
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Test1 new all'!
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Object
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subclass: #One
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instanceVariableNames: ''!
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{!
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One methods!
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result1
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^ self test!
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test
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^ 1!
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}!
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One
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subclass: #Two
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instanceVariableNames: ''!
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{!
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Two methods!
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test
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^ 2!
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}!
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Two
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subclass: #Three
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instanceVariableNames: ''!
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{!
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Three methods!
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result2
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^ self result1!
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result3
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^ super test!
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}!
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Three
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subclass: #Four
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instanceVariableNames: ''!
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{!
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Four methods!
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test
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^ 4!
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}!
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Object
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subclass: #Test1
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instanceVariableNames: ''!
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{!
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Test1 methods!
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all
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self super.
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self conversions.
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self collections.
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self factorial.
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self filein.
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'all tests completed' print!
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collections
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" test the collection classes a little"
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( (#(1 2 3 3 2 4 2) asSet = #(1 2 3 4) asSet) and: [
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(#(1 5 3 2 4) sort asArray = #(1 2 3 4 5)) and: [
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(1 "(#+ respondsTo occurrencesOf: Float)" = 1) and: [
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('First' < 'last') ] ] ] )
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ifFalse: [^smalltalk error: 'collection failure'].
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'collection test passed' print.!
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conversions
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" test a few conversion routines "
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( (#abc == #abc asString asSymbol) and: [
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($A == $A asInteger asCharacter) and: [
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(12 == 12 asDigit digitValue) and: [
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(237 == 237 asString asInteger) and: [
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(43 = 43 asFloat truncated) and: [
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$A == ($A asString at: 1) ] ] ] ] ] )
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ifFalse: [^ smalltalk error: 'conversion failure'].
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'conversion test passed' print.!
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factorial | t |
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t <- [:x | (x = 1) ifTrue: [ 1 ]
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ifFalse: [ x * (t value: x - 1) ] ].
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((t value: 5) = 5 factorial)
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ifFalse: [ smalltalk error: 'factorial failure'].
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'factorial test passed' print!
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filein
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(File name: 'queen.st' open: 'r') fileIn; close.
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( (#QueenMeta value class ~~ Metaclass)
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or: [ (#Queen value class ~~ #QueenMeta value)
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or: [#Queen value name ~~ #Queen] ] )
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ifTrue: [ smalltalk error: 'fileIn failure'].
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((classes includesKey: #Queen) and: [(classes at: #Queen) == Queen])
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ifFalse: [ smalltalk error: 'fileIn failure'].
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'file in test passed' print.
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self queen!
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queen | lastQueen |
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lastQueen <- NullQueen new.
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(1 to: 8) do: [:i | lastQueen <- Queen new
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setColumn: i neighbor: lastQueen;
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yourself ].
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lastQueen first.
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(lastQueen result asArray = #(1 5 8 6 3 7 2 4) )
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ifTrue: ['8 queens test passed' print]
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ifFalse: [smalltalk error: '8queen test failed']!
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super
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(self super2 asArray = #(1 1 2 2 2 4 2 4 2 2) )
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ifTrue: ['super test passed' print]
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ifFalse: [ smalltalk error: 'super test failed']!
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super2 | x1 x2 x3 x4 |
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x1 <- One new.
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x2 <- Two new.
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x3 <- Three new.
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x4 <- Four new.
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^ List new addLast: x1 test;
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addLast: x1 result1;
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addLast: x2 test;
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addLast: x2 result1;
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addLast: x3 test;
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addLast: x4 result1;
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addLast: x3 result2;
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addLast: x4 result2;
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addLast: x3 result3;
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addLast: x4 result3;
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yourself!
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}!
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4
test2.kbd
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4
test2.kbd
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stdout print: 'echoInput <- true'. echoInput <- true
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File new fileIn: 'test2.st'
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Test2 new tryOne
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Test2 new tryAll
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76
test2.st
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76
test2.st
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Object
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subclass: #Test2
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instanceVariableNames: ''!
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{!
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Test2 methods!
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on: s
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"try all classes"
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| f t k |
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(f <- File name: s mode: 'w') open.
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t <- 9 asCharacter asString.
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k <- classes sort: [ :x :y | x name asString < y name asString ].
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k do: [ :e | self on: f tab: t put: e ].
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f close!
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on: s put: c
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"try one class"
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| f t |
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(f <- File name: s mode: 'w') open.
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t <- 9 asCharacter asString.
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self on: f tab: t putCN: c.
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self on: f tab: t putSN: c.
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self on: f tab: t putVN: c.
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self on: f tab: t putCM: c.
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self on: f tab: t putIM: c.
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f close!
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on: f tab: t put: c
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"try all classes"
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self on: f tab: t putCN: c.
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self on: f tab: t putSN: c.
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self on: f tab: t putVN: c.
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self on: f tab: t putCM: c.
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self on: f tab: t putIM: c!
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on: f tab: t putCM: c
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| n v |
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n <- 10 asCharacter.
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f print: 'class methods'.
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v <- c class methods sort: [ :x :y | x name asString < y name asString ].
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f print: '==='.
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v do: [ :e |
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f print: e trimmedText.
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f print: '===' ]!
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on: f tab: t putCN: c
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f print: 'class name' , t , c name asString!
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on: f tab: t putIM: c
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| n v |
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n <- 10 asCharacter.
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f print: 'methods'.
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v <- c methods sort: [ :x :y | x name asString < y name asString ].
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f print: '==='.
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v do: [ :e |
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f print: e trimmedText.
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f print: '===' ]!
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on: f tab: t putSN: c
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| v |
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v <- c superClass.
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v isNil ifTrue: [
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v <- '<nil>' ]
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ifFalse: [
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v <- v asString ].
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f print: 'superclass name' , t , v!
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on: f tab: t putVN: c
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| v |
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v <- c variables.
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v isNil ifTrue: [
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v <- #('<nil>') ]
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ifFalse: [
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v <- (v collect: [ :e | e asString ]) sort ].
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v inject: 'variable names' into: [ :x :y |
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f print: x , t , y.
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' ' ]!
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tryAll
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"try all classes"
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self on: 'test2.all.out'!
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tryOne
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"try one class"
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self on: 'test2.one.out' put: self class!
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}!
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