"

 COPYRIGHT (c) 2006 by eXept Software AG

              All Rights Reserved

 This software is furnished under a license and may be used

 only in accordance with the terms of that license and with the

 inclusion of the above copyright notice.   This software may not

 be provided or otherwise made available to, or used by, any

 other person.  No title to or ownership of the software is

 hereby transferred.

"

"{ Package: 'stx:libtool' }"

SortedCollection subclass:#ParseTreeIndex

	classVariableNames:''

	poolDictionaries:''

	category:'Interface-CodeView-Syntax'

!

Magnitude subclass:#Element

	instanceVariableNames:'next prev node'

	classVariableNames:''

	poolDictionaries:''

	privateIn:ParseTreeIndex

!

!ParseTreeIndex class methodsFor:'documentation'!

copyright

"

 COPYRIGHT (c) 2006 by eXept Software AG

              All Rights Reserved

 This software is furnished under a license and may be used

 only in accordance with the terms of that license and with the

 inclusion of the above copyright notice.   This software may not

 be provided or otherwise made available to, or used by, any

 other person.  No title to or ownership of the software is

 hereby transferred.

"

!

documentation

"

    For given parse tree, a ParseTreeIndex provides an

    fast access to individual (leave) nodes by keeping

    an index. Used by CodeView2 for various queries

    Experimental

    [author:]

        Jan Vrany <jan.vrany@fit.cvut.cz>

    [instance variables:]

    [class variables:]

    [see also:]

"

! !

!ParseTreeIndex methodsFor:'accessing'!

tree

    ^ tree

!

tree:aParseNode

    tree := aParseNode.

! !

!ParseTreeIndex methodsFor:'utilities'!

newElementFor: aParseNode

    ^(Element new node: aParseNode)

    "Created: / 16-02-2012 / 21:00:46 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!ParseTreeIndex::Element class methodsFor:'documentation'!

copyright

"

 COPYRIGHT (c) 2010 by Jan Vrany, SWING Research Group. CTU in Prague

              All Rights Reserved

Permission is hereby granted, free of charge, to any person

obtaining a copy of this software and associated documentation

files (the 'Software'), to deal in the Software without

restriction, including without limitation the rights to use,

copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the

Software is furnished to do so, subject to the following

conditions:

The above copyright notice and this permission notice shall be

included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,

EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

OTHER DEALINGS IN THE SOFTWARE.

"

! !

!ParseTreeIndex::Element methodsFor:'accessing'!

assigned

    | p |

    ^ node isVariableNode 

        and:[(p := node parent) notNil

            and:[p isAssignment

                and:[p variable == node]]].

    "Created: / 01-07-2013 / 21:53:34 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 25-02-2014 / 20:52:27 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

firstElementInChain

    |first prev|

    first := self.

    [ (prev := first previousElement) notNil ] whileTrue:[

        first := prev.

    ].

    ^ first

    "Created: / 21-08-2011 / 09:51:35 / cg"

!

name

    ^node isVariable ifTrue:[node name] ifFalse:[nil]

    "Created: / 01-07-2013 / 21:56:37 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

next

    ^ next

!

next:aSyntaxElement

    next := aSyntaxElement.

    next prev: self.

    "Modified: / 14-02-2010 / 17:44:48 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

nextElement

    ^ next

    "Created: / 21-08-2011 / 09:47:11 / cg"

!

nextElement:aSyntaxElement

    next := aSyntaxElement.

    next prev: self.

    "Modified: / 14-02-2010 / 17:44:48 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Created: / 21-08-2011 / 09:47:15 / cg"

!

node

    ^ node

!

node:something

    node := something.

!

prev

    ^ prev

!

prev:aSyntaxElement

    prev := aSyntaxElement.

!

previousElement

    ^ prev

    "Created: / 21-08-2011 / 09:47:23 / cg"

!

previousElement:aSyntaxElement

    prev := aSyntaxElement.

    "Created: / 21-08-2011 / 09:47:28 / cg"

!

start

    ^ node startPosition

    "Modified: / 16-02-2012 / 20:56:36 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

stop

    ^ node endPosition

    "Modified: / 16-02-2012 / 20:56:48 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!ParseTreeIndex::Element methodsFor:'comparing'!

< anObject

    anObject isNumber ifTrue:[^self stop < anObject].

    anObject class == self class ifFalse:[^false].

    ^self stop < anObject start

    "Created: / 14-02-2010 / 13:39:46 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

= anObject

    anObject class == self class ifFalse:[^false].

    ^self start == (anObject start) and:

        [self stop == (anObject stop) and:

            [self node class == (anObject node class)]].

    "Created: / 14-02-2010 / 13:33:36 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

hash

    ^self start hash bitXor:[self stop hash bitXor:[node class hash]].

    "Created: / 14-02-2010 / 13:30:00 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!ParseTreeIndex::Element methodsFor:'double dispatching'!

lessFromInteger:anInteger

    ^self stop < anInteger

    "Created: / 14-02-2010 / 13:49:50 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!ParseTreeIndex::Element methodsFor:'printing & storing'!

printOn:aStream

    "append a printed representation if the receiver to the argument, aStream"

    super printOn:aStream.

    aStream nextPutAll:'('.

    node class name printOn: aStream.

    aStream nextPut:$).

    "Modified: / 21-08-2011 / 09:33:51 / cg"

    "Modified: / 16-02-2012 / 19:23:22 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!ParseTreeIndex::Element methodsFor:'testing'!

isGlobal

    ^ node isGlobal

!

isInstanceVariable

    ^node isVariable and:[node isInstance]

    "Created: / 01-07-2013 / 21:54:40 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

isSelector

    ^ node class == SelectorNode

    "Created: / 21-08-2011 / 09:09:19 / cg"

    "Modified: / 16-02-2012 / 21:04:28 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

isSelf

    ^ node isSelf

    "Created: / 21-08-2011 / 09:31:20 / cg"

    "Modified: / 16-02-2012 / 19:25:11 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

isVariable

    ^ node isVariable

    "Created: / 21-08-2011 / 09:09:00 / cg"

    "Modified: / 16-02-2012 / 19:24:38 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

isVariableOrSelf

    ^ self isVariable or:[self isSelf]

    "Created: / 21-08-2011 / 09:31:33 / cg"

! !

!ParseTreeIndex class methodsFor:'documentation'!

version

!

version_CVS

! !