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# -*- coding: utf-8 -*-
#
# QAPI error classes
#
# Copyright (c) 2017-2019 Red Hat Inc.
#
# Authors:
# Markus Armbruster <armbru@redhat.com>
# Marc-André Lureau <marcandre.lureau@redhat.com>
#
# This work is licensed under the terms of the GNU GPL, version 2.
# See the COPYING file in the top-level directory.
class QAPIError(Exception):
"""Base class for all exceptions from the QAPI package."""
class QAPISourceError(QAPIError):
"""Error class for all exceptions identifying a source location."""
def __init__(self, info, col, msg):
super().__init__()
self.info = info
self.col = col
self.msg = msg
def __str__(self):
loc = str(self.info)
if self.col is not None:
assert self.info.line is not None
loc += ':%s' % self.col
return loc + ': ' + self.msg
class QAPIParseError(QAPISourceError):
"""Error class for all QAPI schema parsing errors."""
def __init__(self, parser, msg):
col = 1
for ch in parser.src[parser.line_pos:parser.pos]:
if ch == '\t':
col = (col + 7) % 8 + 1
else:
col += 1
super().__init__(parser.info, col, msg)
class QAPISemError(QAPISourceError):
"""Error class for semantic QAPI errors."""
def __init__(self, info, msg):
super().__init__(info, None, msg)
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