xemu/scripts/qapi/source.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

68 lines
1.8 KiB
Python

#
# QAPI frontend source file info
#
# Copyright (c) 2019 Red Hat Inc.
#
# Authors:
# Markus Armbruster <armbru@redhat.com>
#
# This work is licensed under the terms of the GNU GPL, version 2.
# See the COPYING file in the top-level directory.
import copy
import sys
class QAPISchemaPragma(object):
def __init__(self):
# Are documentation comments required?
self.doc_required = False
# Whitelist of commands allowed to return a non-dictionary
self.returns_whitelist = []
# Whitelist of entities allowed to violate case conventions
self.name_case_whitelist = []
class QAPISourceInfo(object):
def __init__(self, fname, line, parent):
self.fname = fname
self.line = line
self.parent = parent
self.pragma = parent.pragma if parent else QAPISchemaPragma()
self.defn_meta = None
self.defn_name = None
def set_defn(self, meta, name):
self.defn_meta = meta
self.defn_name = name
def next_line(self):
info = copy.copy(self)
info.line += 1
return info
def loc(self):
if self.fname is None:
return sys.argv[0]
ret = self.fname
if self.line is not None:
ret += ':%d' % self.line
return ret
def in_defn(self):
if self.defn_name:
return "%s: In %s '%s':\n" % (self.fname,
self.defn_meta, self.defn_name)
return ''
def include_path(self):
ret = ''
parent = self.parent
while parent:
ret = 'In file included from %s:\n' % parent.loc() + ret
parent = parent.parent
return ret
def __str__(self):
return self.include_path() + self.in_defn() + self.loc()