qemu/scripts/qapi/error.py
Markus Armbruster e6c42b96b9 qapi: Split up scripts/qapi/common.py
The QAPI code generator clocks in at some 3100 SLOC in 8 source files.
Almost 60% of the code is in qapi/common.py.  Split it into more
focused modules:

* Move QAPISchemaPragma and QAPISourceInfo to qapi/source.py.

* Move QAPIError and its sub-classes to qapi/error.py.

* Move QAPISchemaParser and QAPIDoc to parser.py.  Use the opportunity
  to put QAPISchemaParser first.

* Move check_expr() & friends to qapi/expr.py.  Use the opportunity to
  put the code into a more sensible order.

* Move QAPISchema & friends to qapi/schema.py

* Move QAPIGen and its sub-classes, ifcontext,
  QAPISchemaModularCVisitor, and QAPISchemaModularCVisitor to qapi/gen.py

* Delete camel_case(), it's unused since commit e98859a9b9 "qapi:
  Clean up after recent conversions to QAPISchemaVisitor"

A number of helper functions remain in qapi/common.py.  I considered
moving the code generator helpers to qapi/gen.py, but decided not to.
Perhaps we should rewrite them as methods of QAPIGen some day.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20191018074345.24034-7-armbru@redhat.com>
[Add "# -*- coding: utf-8 -*-" lines]
2019-10-22 13:53:55 +02:00

44 lines
1.1 KiB
Python

# -*- 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):
def __init__(self, info, col, msg):
Exception.__init__(self)
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(QAPIError):
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
QAPIError.__init__(self, parser.info, col, msg)
class QAPISemError(QAPIError):
def __init__(self, info, msg):
QAPIError.__init__(self, info, None, msg)