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[cdt-dev] RE: RE: Using CDT API to get C-AST 
I am using it with the eclipse as an editor but not using the cdt as plugins.
Rather I am using CDT only as API. I want to modify the given source and get
the new modified one. 

Isn't it possible to use in this way?
Thanks and Regards,
A.Rahman


Doug Schaefer-2 wrote:
> 
> How are you running this code that you're getting a "Workspaces is
> closed."
> error? This tells me you are trying to do this from outside Eclipse.
> 
> Doug Schaefer, QNX Software Systems
> Eclipse CDT Project Lead, http://cdtdoug.blogspot.com
> 
> 
>> -----Original Message-----
>> From: cdt-dev-bounces@xxxxxxxxxxx [mailto:cdt-dev-bounces@xxxxxxxxxxx] On
>> Behalf Of rainman
>> Sent: Thursday, May 31, 2007 2:46 PM
>> To: cdt-dev@xxxxxxxxxxx
>> Subject: [cdt-dev] RE: Using CDT API to get C-AST
>> 
>> 
>> Thank for the rapid response. The error i am facing from the second block
>> of
>> code is below:
>> 
>> Exception in thread "main" java.lang.ExceptionInInitializerError
>> 
>>      at Itest.main(Itest.java:25)
>> 
>> Caused by: java.lang.IllegalStateException: Workspace is closed.
>> 
>>      at
>> org.eclipse.core.resources.ResourcesPlugin.getWorkspace(ResourcesPlugin.ja
>> va:329)
>> 
>>      at org.eclipse.cdt.internal.core.model.CModel.<init>(CModel.java:34)
>> 
>>      at org.eclipse.cdt.internal.core.model.CModelManager
>> .<init>(CModelManager.java:84)
>> 
>>      at
>> org.eclipse.cdt.internal.core.model.CModelManager.getDefault(CModelManager
>> .java:165)
>> 
>>      at org.eclipse.cdt.core.model.CoreModel.<clinit>(CoreModel.java :60)
>> 
>>      ... 1 more
>> 
>> Which is indicating the line: ITranslationUnit trUnit =
>> (ITranslationUnit)
>> cFile;
>> 
>> can you please correct me if i am wrong?
>> after solving this problem i will get the IASTTranslationUnit by
>> ITranslationUnit.getAST ()
>> >From which i can get IASTDeclaration by
>> IASTTranslationUnit.getDeclarations();
>> i can get IName by IASTTranslationUnit.getDeclarations(Binding);
>> (guessing
>> i
>> somehow know the global variable binding)
>> or i can get global IScope by IASTTranslationUnit.getScope();
>> 
>> But which of this will help me to get the global variable declarations
>> and
>> the statements which are using it?
>> 
>> Any Help on how can i edit those statement nodes and unparse/Pretty Print
>> them?
>> 
>> Thanks again.
>> Regards,
>> A.Rahman
>> 
>> Doug Schaefer-2 wrote:
>> >
>> > The proper way to get an AST now (I think, I'm starting to lose track
>> as
>> > I've been busy up in build/debug-land), is off the ITranslationUnit
>> using
>> > getAST().
>> >
>> > As for your exception, what was the exception? That's important
>> > information.
>> > Was it a ClassCastException? That would mean your IFile wasn't a
>> > ITranslationUnit. You should always check the types before doing a
>> cast.
>> >
>> > Doug Schaefer, QNX Software Systems
>> > Eclipse CDT Project Lead, http://cdtdoug.blogspot.com
>> >
>> >
>> >> -----Original Message-----
>> >> From: cdt-dev-bounces@xxxxxxxxxxx [mailto:cdt-dev-bounces@xxxxxxxxxxx]
>> On
>> >> Behalf Of rainman
>> >> Sent: Thursday, May 31, 2007 1:58 PM
>> >> To: cdt-dev@xxxxxxxxxxx
>> >> Subject: [cdt-dev] Using CDT API to get C-AST
>> >>
>> >>
>> >> Hello All,
>> >>  I am new to CDT and trying to do something with cdt since last 1
>> month.
>> >> I
>> >> have searched many sites and mailed in cdt news portal as well. Please
>> >> help
>> >> me some one.
>> >>
>> >> >From this list I found some thing like below but failed to get the
>> >> declaration of class to pass in IFile:
>> >>  IFile file = ...
>> >>  IASTTranslationUnit ast =
>> >>  CDOM.getInstance().getTranslationUnit(file);
>> >>  CPPNameCollector col = new CPPNameCollector();
>> >>  ast.accept(col);
>> >>
>> >>  Iterator i = col.nameList.iterator();
>> >>  while (i.hasNext()) {
>> >>     IASTName n = (IASTName) i.next();
>> >>     IBinding binding = n.resolveBinding();
>> >>
>> >>     if(binding instanceof CPPClassType) {
>> >>        // do something with the class
>> >>     }
>> >>  }
>> >>
>> >>
>> >> Also from another email I got something like below but when i pass
>> >> Path(file
>> >> location) it gives some exception with workspace and exits at first
>> line
>> >> of
>> >> if block.
>> >>
>> >> ICElement cFile = CoreModel.getDefault().create(IPath);
>> >> if(cFile != null)
>> >> {
>> >>     ITranslationUnit trUnit = (ITranslationUnit) cFile;
>> >>     ICElement[] elts = trUnit.getChildren();
>> >>     if(elts != null)
>> >>      {
>> >>          for(int i=0; i<elts.length; i++)
>> >>           {
>> >>                 System.out.println(elts[i].getElementName());
>> >>                  System.out.println(elts[i].getElementType());
>> >>            }
>> >>       }
>> >> }
>> >>
>> >> Any simple idea or link indication will be appreciable. I've been
>> trying
>> >> with the CDOM cause according to Doug Schaefer that is the starting
>> point
>> >> for creating AST. I want to traverse the AST to get the idea which
>> >> statements using global variable. Change those statements and unparse
>> to
>> >> get
>> >> the changed source.
>> >> For this i created and searched the cdt doc. I got the idea that i
>> need
>> >> to
>> >> check:
>> >>
>> >> IDeclaration.getElementType() == ICElement.C_VARIABLE
>> >>
>> >> To get the global variable type. But couldn't the idea how to get the
>> >> IDeclaration from the IASTDeclaration (if i can successfully get ast
>> that
>> >> is
>> >> :-).
>> >>
>> >> Also i got some knowledge that in IDeclaration there is
>> >> ISourceManipulation
>> >> which might be in help for ast modification. But not sure about the
>> AST
>> >> unparse or pretty printer help yet.
>> >>
>> >> Thank you for your patience.
>> >> Hope to get some positive and fast response.
>> >> Regards.
>> >> A.Rahman
>> >> --
>> >> View this message in context: http://www.nabble.com/Using-CDT-API-to-
>> get-
>> >> C-AST-tf3847998.html#a10898933
>> >> Sent from the Eclipse CDT - Development mailing list archive at
>> >> Nabble.com.
>> >>
>> >> _______________________________________________
>> >> cdt-dev mailing list
>> >> cdt-dev@xxxxxxxxxxx
>> >> https://dev.eclipse.org/mailman/listinfo/cdt-dev
>> > _______________________________________________
>> > cdt-dev mailing list
>> > cdt-dev@xxxxxxxxxxx
>> > https://dev.eclipse.org/mailman/listinfo/cdt-dev
>> >
>> >
>> 
>> --
>> View this message in context: http://www.nabble.com/Using-CDT-API-to-get-
>> C-AST-tf3847998.html#a10899752
>> Sent from the Eclipse CDT - Development mailing list archive at
>> Nabble.com.
>> 
>> _______________________________________________
>> cdt-dev mailing list
>> cdt-dev@xxxxxxxxxxx
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> 

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View this message in context: http://www.nabble.com/Using-CDT-API-to-get-C-AST-tf3847998.html#a10901109
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