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qapi: Clean up modular built-in code generation a bit
We neglect to call .visit_module() for the special module we use for built-ins. Harmless, but clean it up anyway. The tests/qapi-schema/*.out now show the built-in module as 'module None'. Subclasses of QAPISchemaModularCVisitor need to ._add_module() this special module to enable code generation for built-ins. When this hasn't been done, QAPISchemaModularCVisitor.visit_module() does nothing for the special module. That looks like built-ins could accidentally be generated into the wrong module when a subclass neglects to call ._add_module(). Can't happen, because built-ins are all visited before any other module. But that's non-obvious. Switch off code generation explicitly. Rename QAPISchemaModularCVisitor._begin_module() to ._begin_user_module(). New QAPISchemaModularCVisitor._is_builtin_module(), for clarity. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20190214152251.2073-4-armbru@redhat.com>
This commit is contained in:
Markus Armbruster
parent
83a22d89b0
commit
dcac64711e
@ -242,7 +242,7 @@ class QAPISchemaGenCommandVisitor(QAPISchemaModularCVisitor):
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self._regy = QAPIGenCCode()
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self._visited_ret_types = {}
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def _begin_module(self, name):
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def _begin_user_module(self, name):
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self._visited_ret_types[self._genc] = set()
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commands = self._module_basename('qapi-commands', name)
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types = self._module_basename('qapi-types', name)
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@ -1868,6 +1868,7 @@ class QAPISchema(object):
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def visit(self, visitor):
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visitor.visit_begin(self)
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module = None
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visitor.visit_module(module)
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for entity in self._entity_list:
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if visitor.visit_needed(entity):
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if entity.module != module:
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@ -2321,9 +2322,15 @@ class QAPISchemaModularCVisitor(QAPISchemaVisitor):
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self._what = what
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self._blurb = blurb
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self._pydoc = pydoc
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self._genc = None
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self._genh = None
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self._module = {}
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self._main_module = None
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@staticmethod
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def _is_builtin_module(name):
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return not name
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def _module_basename(self, what, name):
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if name is None:
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return re.sub(r'-', '-builtin-', what)
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@ -2334,7 +2341,7 @@ class QAPISchemaModularCVisitor(QAPISchemaVisitor):
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return basename + '-' + os.path.splitext(os.path.basename(name))[0]
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def _add_module(self, name, blurb):
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if self._main_module is None and name is not None:
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if self._main_module is None and not self._is_builtin_module(name):
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self._main_module = name
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genc = QAPIGenC(blurb, self._pydoc)
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genh = QAPIGenH(blurb, self._pydoc)
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@ -2346,22 +2353,27 @@ class QAPISchemaModularCVisitor(QAPISchemaVisitor):
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def write(self, output_dir, opt_builtins=False):
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for name in self._module:
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if name is None and not opt_builtins:
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if self._is_builtin_module(name) and not opt_builtins:
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continue
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basename = self._module_basename(self._what, name)
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(genc, genh) = self._module[name]
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genc.write(output_dir, basename + '.c')
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genh.write(output_dir, basename + '.h')
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def _begin_module(self, name):
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def _begin_user_module(self, name):
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pass
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def visit_module(self, name):
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if name in self._module:
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self._set_module(name)
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return
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self._add_module(name, self._blurb)
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self._begin_module(name)
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elif self._is_builtin_module(name):
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# The built-in module has not been created. No code may
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# be generated.
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self._genc = None
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self._genh = None
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else:
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self._add_module(name, self._blurb)
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self._begin_user_module(name)
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def visit_include(self, name, info):
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basename = self._module_basename(self._what, name)
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@ -142,7 +142,7 @@ class QAPISchemaGenEventVisitor(QAPISchemaModularCVisitor):
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self._event_enum_members = []
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self._event_emit_name = c_name(prefix + 'qapi_event_emit')
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def _begin_module(self, name):
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def _begin_user_module(self, name):
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types = self._module_basename('qapi-types', name)
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visit = self._module_basename('qapi-visit', name)
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self._genc.add(mcgen('''
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@ -194,7 +194,7 @@ class QAPISchemaGenTypeVisitor(QAPISchemaModularCVisitor):
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#include "qapi/util.h"
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'''))
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def _begin_module(self, name):
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def _begin_user_module(self, name):
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types = self._module_basename('qapi-types', name)
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visit = self._module_basename('qapi-visit', name)
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self._genc.preamble_add(mcgen('''
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@ -298,7 +298,7 @@ class QAPISchemaGenVisitVisitor(QAPISchemaModularCVisitor):
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''',
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prefix=prefix))
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def _begin_module(self, name):
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def _begin_user_module(self, name):
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types = self._module_basename('qapi-types', name)
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visit = self._module_basename('qapi-visit', name)
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self._genc.preamble_add(mcgen('''
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@ -1,3 +1,4 @@
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module None
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object q_empty
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enum QType
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prefix QTYPE
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@ -1,3 +1,4 @@
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module None
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object q_empty
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enum QType
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prefix QTYPE
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@ -1,3 +1,4 @@
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module None
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object q_empty
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enum QType
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prefix QTYPE
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@ -1,3 +1,4 @@
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module None
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object q_empty
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enum QType
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prefix QTYPE
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@ -1,3 +1,4 @@
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module None
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object q_empty
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enum QType
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prefix QTYPE
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@ -1,3 +1,4 @@
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module None
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object q_empty
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enum QType
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prefix QTYPE
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@ -1,3 +1,4 @@
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module None
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object q_empty
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enum QType
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prefix QTYPE
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@ -1,3 +1,4 @@
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module None
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object q_empty
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enum QType
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prefix QTYPE
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@ -1,3 +1,4 @@
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module None
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object q_empty
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enum QType
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prefix QTYPE
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@ -1,3 +1,4 @@
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module None
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object q_empty
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enum QType
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prefix QTYPE
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@ -1,3 +1,4 @@
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module None
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object q_empty
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enum QType
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prefix QTYPE
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