1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 """ Error and information logging for IDL """ 6 7 import sys 8 9 10 class IDLLog(object): 11 """Captures and routes logging output. 12 13 Caputres logging output and/or sends out via a file handle, typically 14 stdout or stderr. 15 """ 16 def __init__(self, name, out): 17 if name: 18 self._name = '%s : ' % name 19 else: 20 self._name = '' 21 22 self._out = out 23 self._capture = False 24 self._console = True 25 self._log = [] 26 27 def Log(self, msg): 28 if self._console: 29 line = "%s\n" % (msg) 30 self._out.write(line) 31 if self._capture: 32 self._log.append(msg) 33 34 def LogLine(self, filename, lineno, pos, msg): 35 if self._console: 36 line = "%s(%d) : %s%s\n" % (filename, lineno, self._name, msg) 37 self._out.write(line) 38 if self._capture: 39 self._log.append(msg) 40 41 def SetConsole(self, enable): 42 self._console = enable 43 44 def SetCapture(self, enable): 45 self._capture = enable 46 47 def DrainLog(self): 48 out = self._log 49 self._log = [] 50 return out 51 52 ErrOut = IDLLog('Error', sys.stderr) 53 WarnOut = IDLLog('Warning', sys.stdout) 54 InfoOut = IDLLog('', sys.stdout) 55
