From: Markus Heiser <markus.hei...@darmarit.de>
Handle signatures of function-like macros well. Don't try to deduce
arguments types of function-like macros.
Signed-off-by: Markus Heiser <markus.hei...@darmarit.de>
---
Documentation/sphinx/cdomain.py | 55 ++++++++++++++++++++++++++++++++++++++++-
1 file changed, 54 insertions(+), 1 deletion(-)
diff --git a/Documentation/sphinx/cdomain.py b/Documentation/sphinx/cdomain.py
index 5f0c7ed..df0419c 100644
--- a/Documentation/sphinx/cdomain.py
+++ b/Documentation/sphinx/cdomain.py
@@ -1,4 +1,5 @@
# -*- coding: utf-8; mode: python -*-
+# pylint: disable=W0141,C0113,C0103,C0325
u"""
cdomain
~~~~~~~
@@ -25,11 +26,18 @@ u"""
* :c:func:`VIDIOC_LOG_STATUS` or
* :any:`VIDIOC_LOG_STATUS` (``:any:`` needs sphinx 1.3)
+
+ * Handle signatures of function-like macros well. Don't try to deduce
+ arguments types of function-like macros.
+
"""
+from docutils import nodes
from docutils.parsers.rst import directives
import sphinx
+from sphinx import addnodes
+from sphinx.domains.c import c_funcptr_sig_re, c_sig_re
from sphinx.domains.c import CObject as Base_CObject
from sphinx.domains.c import CDomain as Base_CDomain
@@ -57,9 +65,54 @@ class CObject(Base_CObject):
"name" : directives.unchanged
}
+ def handle_func_like_macro(self, sig, signode):
+ u"""Handles signatures of function-like macros.
+
+ If the objtype is 'function' and the the signature ``sig`` is a
+ function-like macro, the name of the macro is returned. Otherwise
+ ``False`` is returned. """
+
+ if not self.objtype == 'function':
+ return False
+
+ m = c_funcptr_sig_re.match(sig)
+ if m is None:
+ m = c_sig_re.match(sig)
+ if m is None:
+ raise ValueError('no match')
+
+ rettype, fullname, arglist, _const = m.groups()
+ arglist = arglist.strip()
+ if rettype or not arglist:
+ return False
+
+ arglist = arglist.replace('`', '').replace('\\ ', '') # remove markup
+ arglist = [a.strip() for a in arglist.split(",")]
+
+ # has the first argument a type?
+ if len(arglist[0].split(" ")) > 1:
+ return False
+
+ # This is a function-like macro, it's arguments are typeless!
+ signode += addnodes.desc_name(fullname, fullname)
+ paramlist = addnodes.desc_parameterlist()
+ signode += paramlist
+
+ for argname in arglist:
+ param = addnodes.desc_parameter('', '', noemph=True)
+ # separate by non-breaking space in the output
+ param += nodes.emphasis(argname, argname)
+ paramlist += param
+
+ return fullname
+
def handle_signature(self, sig, signode):
"""Transform a C signature into RST nodes."""
- fullname = super(CObject, self).handle_signature(sig, signode)
+
+ fullname = self.handle_func_like_macro(sig, signode)
+ if not fullname:
+ fullname = super(CObject, self).handle_signature(sig, signode)
+
if "name" in self.options:
if self.objtype == 'function':
fullname = self.options["name"]
--
2.7.4
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