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| 1 # Copyright 2014 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 class Error(Exception): | |
| 6 """Base class for Mojo IDL bindings parser/generator errors.""" | |
| 7 | |
| 8 def __init__(self, filename, message, lineno=None, addenda=None, **kwargs): | |
| 9 """|filename| is the (primary) file which caused the error, |message| is the | |
| 10 error message, |lineno| is the 1-based line number (or |None| if not | |
| 11 applicable/available), and |addenda| is a list of additional lines to append | |
| 12 to the final error message.""" | |
| 13 Exception.__init__(self, **kwargs) | |
| 14 self.filename = filename | |
| 15 self.message = message | |
| 16 self.lineno = lineno | |
| 17 self.addenda = addenda | |
| 18 | |
| 19 def __str__(self): | |
| 20 if self.lineno: | |
| 21 s = "%s:%d: Error: %s" % (self.filename, self.lineno, self.message) | |
| 22 else: | |
| 23 s = "%s: Error: %s" % (self.filename, self.message) | |
| 24 return "\n".join([s] + self.addenda) if self.addenda else s | |
| 25 | |
| 26 def __repr__(self): | |
| 27 return str(self) | |
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