BreakpointNode.st
author Claus Gittinger <cg@exept.de>
Thu, 23 Jan 2014 12:10:05 +0100
changeset 3349 4e6a7f9be79a
parent 3346 be36d8a09396
child 3350 3abbac991e7e
permissions -rw-r--r--
class: BreakpointNode added: #codeForCascadeOn:inBlock:for: #isMessage #receiver #selector fix to allow break in a cascade
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"
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 COPYRIGHT (c) 2006 by eXept Software AG
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	      All Rights Reserved
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 This software is furnished under a license and may be used
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 only in accordance with the terms of that license and with the
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 inclusion of the above copyright notice.   This software may not
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 be provided or otherwise made available to, or used by, any
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 other person.  No title to or ownership of the software is
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 hereby transferred.
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"
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"{ Package: 'stx:libcomp' }"
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ParseNode subclass:#BreakpointNode
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	instanceVariableNames:'breakpoint expression lineNumber'
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	classVariableNames:''
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	poolDictionaries:''
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	category:'System-Compiler-Debugging'
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!
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!BreakpointNode class methodsFor:'documentation'!
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copyright
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"
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 COPYRIGHT (c) 2006 by eXept Software AG
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	      All Rights Reserved
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 This software is furnished under a license and may be used
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 only in accordance with the terms of that license and with the
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 inclusion of the above copyright notice.   This software may not
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 be provided or otherwise made available to, or used by, any
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 other person.  No title to or ownership of the software is
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 hereby transferred.
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"
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!
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be36d8a09396 class: BreakpointNode
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documentation
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    compiler support for statement breakpoints.
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"
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! !
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!BreakpointNode methodsFor:'accessing'!
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breakpoint
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    ^ breakpoint
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!
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breakpoint:something
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    breakpoint := something.
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!
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expression
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    ^ expression
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!
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expression:something
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    expression := something.
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!
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lineNumber
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    ^ lineNumber
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!
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lineNumber:something
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    lineNumber := something.
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! !
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!BreakpointNode methodsFor:'code generation'!
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codeForCascadeOn:aStream inBlock:b for:aCompiler
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    |node|
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    node := MessageNode
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                receiver: (ConstantNode value: breakpoint)
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                selector: #break.
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    node lineNumber:lineNumber.
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    node codeForSideEffectOn:aStream inBlock:b for:aCompiler.
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    expression notNil ifTrue:[
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        expression codeForCascadeOn:aStream inBlock:b for:aCompiler
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    ].
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!
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codeOn:aStream inBlock:codeBlock for:aCompiler
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    |node|
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    node := MessageNode
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                receiver: (ConstantNode value: breakpoint)
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                selector: #break.
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    node lineNumber:lineNumber.
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    node codeForSideEffectOn:aStream inBlock:codeBlock for:aCompiler.
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    expression notNil ifTrue:[
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        expression codeOn:aStream inBlock:codeBlock for:aCompiler
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    ].
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    "Created: / 16-06-2011 / 15:17:09 / Jan Vrany <jan.vrany@fit.cvut.cz>"
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    "Modified: / 22-07-2013 / 16:08:34 / cg"
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! !
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!BreakpointNode methodsFor:'printing'!
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printOn:aStream indent:indent
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    "append a user printed representation of the receiver to aStream.
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     The format is suitable for a human - not meant to be read back."
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    expression printOn:aStream indent:indent
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    "Created: / 06-07-2011 / 14:31:10 / cg"
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! !
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!BreakpointNode methodsFor:'testing'!
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isBreakPointNode
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    ^ true
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    "Created: / 05-07-2011 / 21:13:52 / cg"
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!
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isMessage
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    "must forward - otherwise cascades won't work"
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    ^ expression isMessage
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!
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receiver
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    "must forward - otherwise cascades won't work"
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    ^ expression receiver
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!
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selector
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    "must forward - otherwise cascades won't work"
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4e6a7f9be79a class: BreakpointNode
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    ^ expression selector
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! !
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!BreakpointNode class methodsFor:'documentation'!
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version_CVS
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    ^ '$Header: /cvs/stx/stx/libcomp/BreakpointNode.st,v 1.7 2014-01-23 11:10:05 cg Exp $'
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!
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version_SVN
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    ^ '$ Id $'
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! !
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