[PATCH v4 08/13] qapi/parser: move _insert_near_kind() method

Move this function out from underneath `ensure_returns` and make it
available for general purpose use as an object method instead. This is
purely a scope-level patch with no functional changes.

Signed-off-by: John Snow <[email protected]>
---
 scripts/qapi/parser.py | 33 +++++++++++++++++----------------
 1 file changed, 17 insertions(+), 16 deletions(-)

diff --git a/scripts/qapi/parser.py b/scripts/qapi/parser.py
index 97e7dacb0fd..261f8ba9f8b 100644
--- a/scripts/qapi/parser.py
+++ b/scripts/qapi/parser.py
@@ -816,6 +816,22 @@ def new_feature(self, info: QAPISourceInfo, name: str) -> None:
     def append_line(self, line: str) -> None:
         self.all_sections[-1].append_line(line)
 
+    def _insert_near_kind(
+        self,
+        kind: 'QAPIDoc.Kind',
+        new_sect: 'QAPIDoc.Section',
+        after: bool = False,
+    ) -> bool:
+        """Insert or append a new doc section at a specific point."""
+        for idx, sect in enumerate(reversed(self.all_sections)):
+            if sect.kind == kind:
+                pos = len(self.all_sections) - idx - 1
+                if after:
+                    pos += 1
+                self.all_sections.insert(pos, new_sect)
+                return True
+        return False
+
     def connect_member(self, member: 'QAPISchemaMember') -> None:
         if member.name not in self._args:
             assert member.info
@@ -850,28 +866,13 @@ def connect_feature(self, feature: 'QAPISchemaFeature') -> None:
         self._features[feature.name].connect(feature)
 
     def ensure_returns(self, info: QAPISourceInfo) -> None:
-
-        def _insert_near_kind(
-            kind: QAPIDoc.Kind,
-            new_sect: QAPIDoc.Section,
-            after: bool = False,
-        ) -> bool:
-            for idx, sect in enumerate(reversed(self.all_sections)):
-                if sect.kind == kind:
-                    pos = len(self.all_sections) - idx - 1
-                    if after:
-                        pos += 1
-                    self.all_sections.insert(pos, new_sect)
-                    return True
-            return False
-
         if any(s.kind == QAPIDoc.Kind.RETURNS for s in self.all_sections):
             return
 
         # Stub "Returns" section for undocumented returns value
         stub = QAPIDoc.Section(info, QAPIDoc.Kind.RETURNS)
 
-        if any(_insert_near_kind(kind, stub, after) for kind, after in (
+        if any(self._insert_near_kind(kind, stub, after) for kind, after in (
                 # 1. If arguments, right after those.
                 (QAPIDoc.Kind.MEMBER, True),
                 # 2. Elif errors, right *before* those.
-- 
2.54.0