[cfe-dev] Finding all instances of calls to a specific function using ASTMatcher

[Riyad Parvez]

Hi,

On 04/18/2015 01:19 AM, Nikola Smiljanic wrote:
> Use clang-query to try things out, you'll need to generate compilation 
> database to use it but that shouldn't be too hard. It sure beats 
> having to recompile your code to test it.
>
> The matcher you're after is probably 
> callExpr(callee(functionDecl(hasName("malloc"))))
>

I've tried your query and getting segmentation fault. I've tried to get 
backtrace from gdb, but for some reason gdb is printing garbage.

Thanks
Riyad
> On Tue, Apr 7, 2015 at 10:49 AM, Riyad Parvez <riyad.parvez at gmail.com 
> <mailto:riyad.parvez at gmail.com>> wrote:
> >
> > Hi All,
> >
> > I want to find all the instances of calls to a specific function. 
> Right now, I can find all the function calls using ASTMatcher using 
> following code:
> >
> > Finder.addMatcher(
> > 
> callExpr(hasParent(binaryOperator(hasOperatorName("=")).bind("assignment"))).bind("functionCall"),
> >       &HandlerForFunctionCall);
> >
> > But I want to find all the function calls whose name is say 
> "malloc". I know how do that using classic "RecursiveASTVisitor" 
> class, but how can I do this using ASTMatcher?
> >
> > Thanks
> > Riyad
> > _______________________________________________
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