[cfe-dev] Question on C++ code completion - function parameter list

[Duc Nguyen]

Hello,
Does anyone have an idea how to get the parameter list of a C++ function using c-index-test.exe ?
While it works for a C function, I get nothing which can be evaluated in case of C++ function.
Thanks for any answer,
Duc
From: cfe-dev-bounces at cs.uiuc.edu [mailto:cfe-dev-bounces at cs.uiuc.edu] On Behalf Of Duc Nguyen
Sent: Monday, August 27, 2012 10:00 AM
To: cfe-dev at cs.uiuc.edu
Subject: [cfe-dev] Question on C++ code completion - function parameter list

Hello,
Using c-index-test.exe I'm learning clang code completion for C++.
I have an issue to get the current parameter list of a C++ function.  While it works for a C function, I get nothing which can be evaluated in case of C++ function.
 I use the following command line:
"c-index-test -code-completion-at=x.cpp:9:10 -x c++ -fsyntax-only -x.cpp"
Where:

-          "9:10" is the line:column number just after the parenthesis behind the function name.
If the function is a C function, "c-index-test" returns a function parameter list for the function with the node 'CurrentParameter' which is important for code completion:
NotImplemented:{ResultType int}{Text geti}{LeftParen (}{CurrentParameter int i}{Comma , }{Text char c}{RightParen )} (1)
But if I use the same command line asking for the C++ function parameter list, the expected result is not returned.
Hereafter is the source code x.cpp:
int geti(int i, char c) { return 1; }   // C function

class myclass {
public:
  myclass() {}
  ~myclass() {}
  int func(int i, char c) { return 1; }
  void test() {
    func(//line and column number for code completion here, after the parenthesis
  }
};

Could you please tell me, whether the command line to retrieve the parameter list for the C++ function differs from that in C?  And, which command line would be appropriate?
Thanks for any answer and tips.
Duc

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