qapi/gen: Replace ._begin_system_module()

QAPISchemaModularCVisitor._begin_system_module() is actually just for
the builtin module.  Rename it to ._begin_builtin_module() and drop
its useless @name parameter.

Clarify conditionals in visit_module to make this clear.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20210201193747.2169670-7-jsnow@redhat.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/scripts/qapi/gen.py b/scripts/qapi/gen.py
index 2aec6d3..aaed78e 100644
--- a/scripts/qapi/gen.py
+++ b/scripts/qapi/gen.py
@@ -295,23 +295,24 @@ class QAPISchemaModularCVisitor(QAPISchemaVisitor):
             genc.write(output_dir)
             genh.write(output_dir)
 
-    def _begin_system_module(self, name: None) -> None:
+    def _begin_builtin_module(self) -> None:
         pass
 
     def _begin_user_module(self, name: str) -> None:
         pass
 
     def visit_module(self, name: Optional[str]) -> None:
-        if name is None:
+        if QAPISchemaModule.is_builtin_module(name):
             if self._builtin_blurb:
-                self._add_system_module(None, self._builtin_blurb)
-                self._begin_system_module(name)
+                self._add_system_module(name, self._builtin_blurb)
+                self._begin_builtin_module()
             else:
                 # The built-in module has not been created.  No code may
                 # be generated.
                 self._genc = None
                 self._genh = None
         else:
+            assert QAPISchemaModule.is_user_module(name)
             self._add_user_module(name, self._user_blurb)
             self._begin_user_module(name)