YouCompleteMe/cpp/llvm/tools/clang/utils/SummarizeErrors

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#!/usr/bin/env 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)
kDiagnosticRE = re.compile(': (error|warning): (.*)')
kAssertionRE = re.compile('Assertion failed: (.*, function .*, file .*, line [0-9]+\\.)')
def readInfo(path, opts):
lastProgress = [-100,0]
def progress(pos):
pct = (100. * pos) / (size * 2)
if (pct - lastProgress[0]) >= 10:
lastProgress[0] = pct
print '%d/%d = %.2f%%' % (pos, size*2, pct)
f = open(path)
data = f.read()
f.close()
if opts.truncate != -1:
data = data[:opts.truncate]
size = len(data)
warnings = multidict()
errors = multidict()
for m in kDiagnosticRE.finditer(data):
progress(m.end())
if m.group(1) == 'error':
d = errors
else:
d = warnings
d[m.group(2)] = m
warnings = warnings.items()
errors = errors.items()
assertions = multidict()
for m in kAssertionRE.finditer(data):
print '%d/%d = %.2f%%' % (size + m.end(), size, (float(m.end()) / (size*2)) * 100.)
assertions[m.group(1)] = m
assertions = assertions.items()
# Manual scan for stack traces
aborts = multidict()
if 0:
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 = [
(warnings, 'Warnings'),
(errors, '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()