1 # -*- coding: utf-8 -*- 2 # The LLVM Compiler Infrastructure 3 # 4 # This file is distributed under the University of Illinois Open Source 5 # License. See LICENSE.TXT for details. 6 """ 7 This module responsible to run the Clang static analyzer against any build 8 and generate reports. 9 """ 10 11 12 def duplicate_check(method): 13 """ Predicate to detect duplicated entries. 14 15 Unique hash method can be use to detect duplicates. Entries are 16 represented as dictionaries, which has no default hash method. 17 This implementation uses a set datatype to store the unique hash values. 18 19 This method returns a method which can detect the duplicate values. """ 20 21 def predicate(entry): 22 entry_hash = predicate.unique(entry) 23 if entry_hash not in predicate.state: 24 predicate.state.add(entry_hash) 25 return False 26 return True 27 28 predicate.unique = method 29 predicate.state = set() 30 return predicate 31 32 33 def tempdir(): 34 """ Return the default temorary directory. """ 35 36 from os import getenv 37 return getenv('TMPDIR', getenv('TEMP', getenv('TMP', '/tmp'))) 38 39 40 def initialize_logging(verbose_level): 41 """ Output content controlled by the verbosity level. """ 42 43 import sys 44 import os.path 45 import logging 46 level = logging.WARNING - min(logging.WARNING, (10 * verbose_level)) 47 48 if verbose_level <= 3: 49 fmt_string = '{0}: %(levelname)s: %(message)s' 50 else: 51 fmt_string = '{0}: %(levelname)s: %(funcName)s: %(message)s' 52 53 program = os.path.basename(sys.argv[0]) 54 logging.basicConfig(format=fmt_string.format(program), level=level) 55 56 57 def command_entry_point(function): 58 """ Decorator for command entry points. """ 59 60 import functools 61 import logging 62 63 @functools.wraps(function) 64 def wrapper(*args, **kwargs): 65 66 exit_code = 127 67 try: 68 exit_code = function(*args, **kwargs) 69 except KeyboardInterrupt: 70 logging.warning('Keyboard interupt') 71 except Exception: 72 logging.exception('Internal error.') 73 if logging.getLogger().isEnabledFor(logging.DEBUG): 74 logging.error("Please report this bug and attach the output " 75 "to the bug report") 76 else: 77 logging.error("Please run this command again and turn on " 78 "verbose mode (add '-vvv' as argument).") 79 finally: 80 return exit_code 81 82 return wrapper 83
