36 lines
1014 B
Smalltalk
36 lines
1014 B
Smalltalk
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Class {
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#name : #REPL,
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#superclass : #Object,
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#category : #CTF
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}
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{ #category : #running }
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REPL class >> run [
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| running command answer |
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running := true.
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Transcript show:'Welcome to Pharo 7.0 (Smalltalk Environment) Pharo.org'; cr; cr;
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show: 'To get started create an instance of the class Challenge and, like so:'; cr;
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show: '> Challenge new.'; cr;
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show: 'This wil result in a value called "a Challenge"'; cr;
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show: 'To obtain the flag run the following'; cr;
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show: '> Challenge new flag.'; cr; cr;
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show: 'Does it show up? '; cr.
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[ 5 minutes wait. running := false. ] fork.
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[ running ] whileTrue: [
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Transcript show:'> '.
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command := FileStream stdin nextLine .
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(command = 'exit') ifTrue: [
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running := false
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] ifFalse: [
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answer := [self class compiler evaluate: command] on:Exception do: [ :exception | Transcript show: 'Whoops, an error occured '. exception asString ] .
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Transcript show:answer asString .
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Transcript cr.
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]
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].
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^ nil.
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]
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