llvm-project/clang/utils/SummarizeErrors

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#!/usr/bin/python
import os, sys, re
class multidict:
def __init__(self, elts=()):
self.data = {}
for key,value in elts:
self[key] = value
def __getitem__(self, item):
return self.data[item]
def __setitem__(self, key, value):
if key in self.data:
self.data[key].append(value)
else:
self.data[key] = [value]
def items(self):
return self.data.items()
def values(self):
return self.data.values()
def keys(self):
return self.data.keys()
def __len__(self):
return len(self.data)
kGCCErrorRE = re.compile('(.*):([0-9]+): error: (.*)')
kGCCWarningRE = re.compile('(.*):([0-9]+): warning: (.*)')
kClangErrorRE = re.compile('(.*):([0-9]+):([0-9]+): error: (.*)')
kClangWarningRE = re.compile('(.*):([0-9]+):([0-9]+): warning: (.*)')
kAssertionRE = re.compile('Assertion failed: (.*, function .*, file .*, line [0-9]+\\.)')
kStackDumpLineRE = re.compile('^[0-9]+ +([^ ]+) +0x[0-9a-fA-F]+ +([^ ]+)')
def readInfo(path, opts):
f = open(path)
data = f.read()
f.close()
if opts.truncate != -1:
data = data[:opts.truncate]
gccwarnings = multidict([(m.group(3),m) for m in kGCCWarningRE.finditer(data)]).items()
gccerrors = multidict([(m.group(3),m) for m in kGCCErrorRE.finditer(data)]).items()
assertions = multidict([(m.group(1),m) for m in kAssertionRE.finditer(data)]).items()
# Manual scan for stack traces
aborts = multidict()
prevLine = None
lnIter = iter(data.split('\n'))
for ln in lnIter:
m = kStackDumpLineRE.match(ln)
if m:
stack = [m.group(2)]
for ln in lnIter:
m = kStackDumpLineRE.match(ln)
if not m:
break
stack.append(m.group(2))
if prevLine is None or not kAssertionRE.match(prevLine):
aborts[tuple(stack)] = stack
prevLine = ln
sections = [
(gccwarnings, 'Warnings'),
(gccerrors, 'Errors'),
(assertions, 'Assertions'),
(aborts.items(), 'Aborts'),
]
if opts.ascending:
sections.reverse()
for l,title in sections:
l.sort(key = lambda (a,b): -len(b))
if l:
print '-- %d %s (%d kinds) --' % (sum([len(b) for a,b in l]), title, len(l))
for name,elts in l:
print '%5d:' % len(elts), name
def main():
global options
from optparse import OptionParser
parser = OptionParser("usage: %prog [options] {inputs}")
parser.add_option("", "--ascending", dest="ascending",
help="Print output in ascending order of severity.",
action="store_true", default=False)
parser.add_option("", "--truncate", dest="truncate",
help="Truncate input file (for testing).",
type=int, action="store", default=-1)
(opts, args) = parser.parse_args()
if not args:
parser.error('No inputs specified')
for arg in args:
readInfo(arg, opts)
if __name__=='__main__':
main()