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Bug 258160

Summary:	Call Graph not showing calls made through function pointers
Product:	cnd	Reporter:	georgepauley
Component:	Navigation	Assignee:	Alexander Simon <alexvsimon>
Status:	RESOLVED WONTFIX
Severity:	normal	CC:	georgepauley
Priority:	P3
Version:	8.0.2
Hardware:	PC
OS:	Windows 7
Issue Type:	DEFECT	Exception Reporter:
Attachments:	Sample code and screen shots to illustrate bug Screenshot showing function pointers erroneously showing up in call graph Code used in first example, function pointers not in call graph Code used in second example, function pointers erroneously in call graph

Description georgepauley 2016-02-26 16:51:54 UTC

The call graph does not appear to show functions called through C function pointers.  (See attached code1.c and capture.jpg)

Even stranger, call graph will show functions contained in function pointers that are declared inside a function, even if those functions are never actually called.  (See attached code2.c and capture2.jpg)

Comment 1 georgepauley 2016-02-26 16:53:06 UTC

Created attachment 158657 [details]
Sample code and screen shots to illustrate bug

Screenshot showing function pointers not appearing in call graph

Comment 2 georgepauley 2016-02-26 16:54:38 UTC

Created attachment 158658 [details]
Screenshot showing function pointers erroneously showing up in call graph

Comment 3 georgepauley 2016-02-26 16:55:11 UTC

Created attachment 158659 [details]
Code used in first example, function pointers not in call graph

Comment 4 georgepauley 2016-02-26 16:55:45 UTC

Created attachment 158660 [details]
Code used in second example, function pointers erroneously in call graph

Comment 5 Alexander Simon 2016-07-11 14:38:48 UTC

First code example (code1.c) requires a data flow analysis.
It is a feature that does not implemented in IDE. You can file a separate enhancement for this.

Second code example (code2.c) cannot distinguish call and reference.
It is a limitation of current code model. It cannot be fixed without reworking code model. Probably this will be fixed when IDE migrates on new code model.
So close as do not fix.