This might sound like a sci-fi feature request but I wonder if Doxygen has any of the two following features:
Generating the call/caller graphs after preprocessor ran over the input file. Example:
#define MULTITHREADING 1
and then blocks of code are enabled or disabled depending on whether MULTITHREADING
is enabled.
Describing the certainty of the call with graph arrows... for example a dotted line if the function isn't always called (aka it is in a branch or you have possible return
before the function is called.
For the first item, you will want to enable the ENABLE_PREPROCESSING
option in your Doxyfile
.
For the second, I honestly don't know, but would be very surprised if it did. I think that this would require a full C/C++ compiler to determine these things.
Doxygen Preprocessing :
Source files that are used as input to doxygen can be parsed by doxygen's built-in C-preprocessor.
By default doxygen does only partial preprocessing. That is, it evaluates conditional compilation statements (like #if) and evaluates macro definitions, but it does not perform macro expansion.
If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen will generate a graph for each documented class showing the direct and indirect implementation dependencies (inheritance, containment, and class references variables) of the class with other documented classes.
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