Finding invocations of a certain function in a c++ file using python

from pygccxml.declarations import call_invocation

def test_is_call_invocation(call):
    if call_invocation.is_call_invocation(call):
        print call_invocation.name(call)
        for arg in call_invocation.args(call):
            print "   ",arg
    else:
        print "not a function invocation"

from pygccxml import parser
from pygccxml import declarations

decls = parser.parse( ['main.cpp'] )
# ...

void foo()
{}

void bar()
{
        foo();
}