[cfe-dev] Finding all references to a function overload or type.

[Holtgrewe, Manuel]

Hi,

the location of the function declaration/definition appears to be easier to construct and would work fine for me.

Thanks,
Manuel

________________________________
From: Manuel Klimek [klimek at google.com]
Sent: Wednesday, November 21, 2012 10:10 AM
To: Holtgrewe, Manuel
Cc: cfe-dev at cs.uiuc.edu
Subject: Re: [cfe-dev] Finding all references to a function overload or type.

On Wed, Nov 21, 2012 at 10:02 AM, Holtgrewe, Manuel <manuel.holtgrewe at fu-berlin.de<mailto:manuel.holtgrewe at fu-berlin.de>> wrote:
ping

Maybe I should elaborate a bit further.

Given the program [1] (written as a string in the test), I would like to find out from which contextes the function overload bar(Foo<T, Tick> const &) is called.

I tried dumping parts of the AST and from that it appears that it is not directly possible to see the instantiation points. Is it possible to see a "concrete AST" with instantiated class and function templates?

What's your "key" for the overload of bar in this case?
Possible keys:
a) the location of the function declaration / definition
b) the parameter list

Cheers,
/Manuel


Thanks,
Manuel

[1] https://github.com/holtgrewe/func_references/blob/master/src/test.cpp#L114

________________________________
From: cfe-dev-bounces at cs.uiuc.edu<mailto:cfe-dev-bounces at cs.uiuc.edu> [cfe-dev-bounces at cs.uiuc.edu<mailto:cfe-dev-bounces at cs.uiuc.edu>] on behalf of Holtgrewe, Manuel [manuel.holtgrewe at fu-berlin.de<mailto:manuel.holtgrewe at fu-berlin.de>]
Sent: Monday, November 19, 2012 9:11 AM
To: cfe-dev at cs.uiuc.edu<mailto:cfe-dev at cs.uiuc.edu>

Subject: Re: [cfe-dev] Finding all references to a function overload or type.

Thank you for your answer.

I was able to write a small test program with an RecursiveASTVisitor [1] by using some example code I found on github.

However, now I'm stuck. I could not find out how to find out that the function overload bar(Foo<int, Tick> const &) is called from the AST.

Can someone help me with this and point me into the right direction again?

Thanks,
Manuel

[1] https://github.com/holtgrewe/func_references/blob/master/src/test.cpp

________________________________
From: Manuel Klimek [klimek at google.com<mailto:klimek at google.com>]
Sent: Thursday, November 15, 2012 5:12 PM
To: Holtgrewe, Manuel
Cc: cfe-dev at cs.uiuc.edu<mailto:cfe-dev at cs.uiuc.edu>
Subject: Re: [cfe-dev] Finding all references to a function overload or type.

On Thu, Nov 15, 2012 at 12:47 AM, Holtgrewe, Manuel <manuel.holtgrewe at fu-berlin.de<mailto:manuel.holtgrewe at fu-berlin.de>> wrote:
Dear all,

I would like to use the clang infrastructure (libclang, libtooling, ...) to find all references to a function overload or a type in a program. This should also work if the program has templates.

Consider the following example:

void f(int i)
{}

template <typename T>
void f(T x)
{
  X<T> y;
}

template <typename T>
struct X
{};

template <>
struct X<long>
{};

main ()
{
  f(3.0);
  f(1);
  f(1l);

  return 0;
}

For example, I would like to find all occurences of the overload "void f(int i)" (result should be the line with "f(1)" or all occurences of the specialization "X<long>" (in the line with "X<T> y" when f is called with a long value.

Is this possible with clang? If so, can anyone point me in the right direction?

Yes. Start here: http://clang.llvm.org/docs/Tooling.html

Cheers,
/Manuel


Thanks,
Manuel
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