commit dd44ff663e074d07a8bf8b94dc5d8b9d8dc3fb32 Author: Nick Mathewson <nickm@torproject.org> Date: Tue Jul 16 15:31:07 2013 -0400 A python script to combin gcov output with git blame --- contrib/cov-blame | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/contrib/cov-blame b/contrib/cov-blame new file mode 100755 index 0000000..601f211 --- /dev/null +++ b/contrib/cov-blame @@ -0,0 +1,48 @@ +#!/usr/bin/python + +import os +import re +import subprocess +import sys + +def handle_file(source_fname, cov_fname): + + lines_blm = subprocess.Popen(["git", "blame", source_fname], stdout=subprocess.PIPE).stdout.readlines() + lines_cov = open(cov_fname).readlines() + + # XXXX expensive! + while re.match(r'\s*-:\s*0:', lines_cov[0]): + del lines_cov[0] + + if len(lines_blm) != len(lines_cov): + print >>sys.stderr, "MISMATCH IN NUMBER OF LINES in",source_fname + + for b,c in zip(lines_blm, lines_cov): + m = re.match(r'\s*([^\s:]+):', c) + if not m: + print >>sys.stderr, "CONFUSING LINE %r"% c + cov = 'X' + elif m.group(1) == '-': + cov = '-' + elif m.group(1)[0] == '#': + cov = '#' + elif m.group(1)[0].isdigit(): + cov = '1' + else: + print >>sys.stderr, "CONFUSING LINE %r"% c + cov = 'X' + + print cov, b, + +COV_DIR = sys.argv[1] +SOURCES = sys.argv[2:] + +for fn in SOURCES: + _, base = os.path.split(fn) + cfn = os.path.join(COV_DIR, base) + cfn += ".gcov" + if os.path.exists(cfn): + handle_file(fn, cfn) + else: + print >>sys.stderr, "NO FILE EXISTS CALLED ",cfn +