I am looking for a way to use clang to generate a graph of what functions
call each other in some kind of standard format (like dot).
There are primarily two capabilities that I am looking for:
1) Only include types/functions that are in a particular namespace or
namespaces
2) Consolidate all calls that are made to different instantiations of the
same template (so that tuple constructions show up as simply tuple, and not
tuple<int>,tuple<int,int>, ect)
Is this possible in clang?
I know that I can use
$ clang++ -S -emit-llvm main1.cpp -o - | opt -analyze -std-link-opts
-dot-callgraph
$ cat callgraph.dot | c++filt |
sed 's,>,\\>,g; s,-\\>,->,g; s,<,\\<,g' |
gawk '/external node/{id=$1} $1 != id' |
dot -Tpng -ocallgraph.png
to get a diagram that shows a function graph, but as far as I can tell, this
is capable only of doing one cpp file, and there is no way to get the two
capabilities that I am looking for above.
Is there a standard way to do this?
Thank you
Daniel Mosesson
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