[Ad-dev] [ADIC] #54: clean up XAIFTraverse to cover expressions and handle in particular assigments separately

[ADIC]

#54: clean up XAIFTraverse to cover expressions and handle in particular
assigments separately
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 Reporter:  utke             |       Owner:  narayanan
     Type:  task             |      Status:  new      
 Priority:  major            |   Milestone:           
Component:  OA/Sage to XAIF  |     Version:           
 Keywords:                   |  
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 this should allow for a cleaner logic by having only one stack of
 expressions for dealing with expressions nested in variable references
 as the target to which SgNodes are added during the traversal.

 Right now the distinction of assignment LHSs and RHSs requires strange
 logic and code duplication.

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Ticket URL: <http://trac.mcs.anl.gov/projects/ADIC/ticket/54>
ADIC <http://trac.mcs.anl.gov/projects/ADIC>
ADIC: Automatic Differentiation for C and C++