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RE: [cdt-dev] finding a function's definition from a call
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I gave a presentation at EclipseCon 2009:
'Using CDT APIs to programmatically introspect C/C++ code'. The slides
contain some code examples that may help:
http://wiki.eclipse.org/CDT:Presentations
Markus.
> -----Original Message-----
> From: cdt-dev-bounces@xxxxxxxxxxx
> [mailto:cdt-dev-bounces@xxxxxxxxxxx] On Behalf Of Nicolas Anquetil
> Sent: Wednesday, December 16, 2009 4:45 PM
> To: cdt-dev@xxxxxxxxxxx
> Subject: [cdt-dev] finding a function's definition from a call
> Importance: Low
>
> Hi,
>
> This is certainly a basic question but I cannot seem to find
> clear information on the net (I even asked by mistake on
> cdt-l, the Continental Divide Trail mailing list, whatever it
> is ... :) ).
>
> I want to analyse some C program using CDT.
>
> When I find in the AST an IASTExpression that I know is a
> function call (instanceof IASTFunctionCallExpression), how
> can I find where the function is defined (in what file) ?
>
> I am experimenting with a simple C project that has 2 files
> and one function in each file, one of the functions calls the other.
>
> I could access the name of the FunctionCall and from that the
> IBinding.
>
> What next?
>
> I tried
> expr.getTranslationUnit().getDefinitionsInAST(name.resolveBinding())
> with either file as translationUnit but that gave me an empty
> array :-(
>
> May be it comes from how I generate the AST?
>
> ICProject cproj = CoreModel.getDefault().create(proj);
> for (ICContainer folder : cproj.getSourceRoots()) { for
> (ITranslationUnit unit : folder.getTranslationUnits()) {
> IASTTranslationUnit unitAST = unit.getAST();
> [...then explore the AST 'unitAST' to find
> IASTFunctionCallExpression in it ... ]
>
> Can you help?
> Please?
>
>
> --
> Nicolas Anquetil Univ. Lille1 / INRIA-equipe RMod
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