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qapi: Prepare for system modules other than 'builtin'

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The next commit wants to generate qapi-emit-events.{c.h}. To enable
that, extend QAPISchemaModularCVisitor to support additional "system
modules", i.e. modules that don't correspond to a (user-defined) QAPI
schema module.

Backports commit c2e196a9b41235a308fb6d1c516aa91ba0a807c8 from qemu
This commit is contained in:
Markus Armbruster 2019-02-21 09:58:52 -05:00 committed by Lioncash
parent 5d0966ce6b
commit 6279d604d3
No known key found for this signature in database
GPG key ID: 4E3C3CC1031BA9C7
3 changed files with 27 additions and 12 deletions
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35
qemu/scripts/qapi/common.py
View file

@ -2270,27 +2270,42 @@ class QAPISchemaModularCVisitor(QAPISchemaVisitor):
self._module = {}
self._main_module = None
@staticmethod
def _is_user_module(name):
return name and not name.startswith('./')
@staticmethod
def _is_builtin_module(name):
return not name
def _module_basename(self, what, name):
if name is None:
return re.sub(r'-', '-builtin-', what)
basename = os.path.join(os.path.dirname(name),
self._prefix + what)
if name == self._main_module:
return basename
return basename + '-' + os.path.splitext(os.path.basename(name))[0]
ret = '' if self._is_builtin_module(name) else self._prefix
if self._is_user_module(name):
dirname, basename = os.path.split(name)
ret += what
if name != self._main_module:
ret += '-' + os.path.splitext(basename)[0]
ret = os.path.join(dirname, ret)
else:
name = name[2:] if name else 'builtin'
ret += re.sub(r'-', '-' + name + '-', what)
return ret
def _add_module(self, name, blurb):
if self._main_module is None and not self._is_builtin_module(name):
self._main_module = name
genc = QAPIGenC(blurb, self._pydoc)
genh = QAPIGenH(blurb, self._pydoc)
self._module[name] = (genc, genh)
self._set_module(name)
def _add_user_module(self, name, blurb):
assert self._is_user_module(name)
if self._main_module is None:
self._main_module = name
self._add_module(name, blurb)
def _add_system_module(self, name, blurb):
self._add_module(name and './' + name, blurb)
def _set_module(self, name):
self._genc, self._genh = self._module[name]
@ -2315,7 +2330,7 @@ class QAPISchemaModularCVisitor(QAPISchemaVisitor):
self._genc = None
self._genh = None
else:
self._add_module(name, self._blurb)
self._add_user_module(name, self._blurb)
self._begin_user_module(name)
def visit_include(self, name, info):

2
qemu/scripts/qapi/types.py
View file

@ -179,7 +179,7 @@ class QAPISchemaGenTypeVisitor(QAPISchemaModularCVisitor):
QAPISchemaModularCVisitor.__init__(
self, prefix, 'qapi-types', ' * Schema-defined QAPI types',
__doc__)
self._add_module(None, ' * Built-in QAPI types')
self._add_system_module(None, ' * Built-in QAPI types')
self._genc.preamble_add(mcgen('''
#include "qemu/osdep.h"
#include "qapi/dealloc-visitor.h"

2
qemu/scripts/qapi/visit.py
View file

@ -278,7 +278,7 @@ class QAPISchemaGenVisitVisitor(QAPISchemaModularCVisitor):
QAPISchemaModularCVisitor.__init__(
self, prefix, 'qapi-visit', ' * Schema-defined QAPI visitors',
__doc__)
self._add_module(None, ' * Built-in QAPI visitors')
self._add_system_module(None, ' * Built-in QAPI visitors')
self._genc.preamble_add(mcgen('''
#include "qemu/osdep.h"
#include "qemu-common.h"