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[Qemu-devel] [PATCH v2 for-2.9 11/47] qapi: Avoid unwanted blank lines i


From: Markus Armbruster
Subject: [Qemu-devel] [PATCH v2 for-2.9 11/47] qapi: Avoid unwanted blank lines in QAPIDoc
Date: Wed, 15 Mar 2017 13:57:00 +0100

We silently fix missing #optional tags for QAPIDoc by appending a line
"#optional" to the section's .content.  However, this interferes with
.__repr__ stripping trailing blank lines from .content.

Use new ArgSection instance variable .optional instead, and leave
.content alone.

To permit testing .optional in texi_body(), clean up texi_enum()'s
hack to add empty documentation for undocumented enum values: add an
ArgSection instead of ''.

Signed-off-by: Markus Armbruster <address@hidden>
Reviewed-by: Marc-André Lureau <address@hidden>
---
 scripts/qapi.py      | 5 +++--
 scripts/qapi2texi.py | 4 ++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/scripts/qapi.py b/scripts/qapi.py
index f4c8210..fb10d93 100644
--- a/scripts/qapi.py
+++ b/scripts/qapi.py
@@ -107,6 +107,7 @@ class QAPIDoc(object):
             self.name = name
             # the list of lines for this section
             self.content = []
+            self.optional = False
 
         def append(self, line):
             self.content.append(line)
@@ -982,15 +983,15 @@ def check_definition_doc(doc, expr, info):
             desc = doc.args.get(arg)
         if not desc:
             continue
+        desc.optional = opt
         desc_opt = "#optional" in str(desc)
         if desc_opt and not opt:
             raise QAPISemError(info, "Description has #optional, "
                                "but the declaration doesn't")
         if not desc_opt and opt:
-            # silently fix the doc
             # TODO either fix the schema and make this an error,
             # or drop #optional entirely
-            desc.append("#optional")
+            pass
 
     doc_args = set(doc.args.keys())
     args = set([name.strip('*') for name in args])
diff --git a/scripts/qapi2texi.py b/scripts/qapi2texi.py
index 0f3e573..0aaf45c 100755
--- a/scripts/qapi2texi.py
+++ b/scripts/qapi2texi.py
@@ -136,7 +136,7 @@ def texi_body(doc):
         for arg, section in doc.args.iteritems():
             desc = str(section)
             opt = ''
-            if "#optional" in desc:
+            if section.optional:
                 desc = re.sub(r'^ *#optional *\n?|\n? *#optional *$|#optional',
                               '', desc)
                 opt = ' (optional)'
@@ -185,7 +185,7 @@ def texi_enum(expr, doc):
     """Format an enum to texi"""
     for i in expr['data']:
         if i not in doc.args:
-            doc.args[i] = ''
+            doc.args[i] = qapi.QAPIDoc.ArgSection(i)
     body = texi_body(doc)
     return TYPE_FMT(type="Enum",
                     name=doc.symbol,
-- 
2.7.4




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