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# Copyright 2014 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
class Error(Exception):
"""Base class for Mojo IDL bindings parser/generator errors."""
def __init__(self, filename, message, lineno=None, addenda=None, **kwargs):
"""|filename| is the (primary) file which caused the error, |message| is the
error message, |lineno| is the 1-based line number (or |None| if not
applicable/available), and |addenda| is a list of additional lines to append
to the final error message."""
Exception.__init__(self, **kwargs)
self.filename = filename
self.message = message
self.lineno = lineno
self.addenda = addenda
def __str__(self):
if self.lineno:
s = "%s:%d: Error: %s" % (self.filename, self.lineno, self.message)
else:
s = "%s: Error: %s" % (self.filename, self.message)
return "\n".join([s] + self.addenda) if self.addenda else s
def __repr__(self):
return str(self)
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