def find_all_defns(files):
patt = re.compile('function\s.*?=?\s*(\w+)\s*(?:\(|;|$)', re.I)
functions = {}
for fpath in files.itervalues():
for _,match in grep(patt,fpath):
functions[patt.search(match).groups(1)] = fpath
break # only the first function counts
return functions
def find_usages(functions, files, targets):
adj = numpy.zeros((len(files),len(files)),dtype=int)
path_inds = dict((p,i) for i,p in enumerate(files.itervalues()))
for fn,fpath in functions.iteritems():
i = path_inds[fpath]
patt = re.compile('(\W|^)%s(\(|;|$)'%fn, re.I)
for j,fpath2 in enumerate(files.itervalues()):
if fpath not in targets and fpath2 not in targets:
continue
# edge (j,i) = n means i calls j n times
adj[j,i] = sum(1 for _ in grep(patt,fpath2))
return adj
