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[libvirt] [PATCH v2 2/2] Added syntax-check rule for return with parentheses



After cleanup introduced with previous commit, there is a need for
syntax-check rule taking care of return(). Regexp used in 'prohibit'
parameter is taken from the cleanup commit and modified so it fits
'grep -E' format. Semicolon at the end is needed, otherwise the regexp
could match return with cast.

Exception is created for python source files because we don't have any
documentation restricting the use of return that matches this case.
---
 cfg.mk |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/cfg.mk b/cfg.mk
index 24e6a69..eae629b 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -469,6 +469,12 @@ sc_prohibit_xmlURI:
 	halt='use virURI(Parse|Format), not xml(ParseURI|SaveUri)'	\
 	  $(_sc_search_regexp)

+# we don't want old old-style return with parentheses around argument
+sc_prohibit_return_as_function:
+	@prohibit='\<return *\(([^()]*(\([^()]*\)[^()]*)*)\) *;'    \
+	halt='avoid extra () with return statements'                \
+	  $(_sc_search_regexp)
+
 # ATTRIBUTE_UNUSED should only be applied in implementations, not
 # header declarations
 sc_avoid_attribute_unused_in_header:
@@ -791,6 +797,8 @@ exclude_file_name_regexp--sc_prohibit_xmlGetProp = ^src/util/xml\.c$$

 exclude_file_name_regexp--sc_prohibit_xmlURI = ^src/util/viruri\.c$$

+exclude_file_name_regexp--sc_prohibit_return_as_function = ^\.py$$
+
 exclude_file_name_regexp--sc_require_config_h = ^examples/

 exclude_file_name_regexp--sc_require_config_h_first = ^examples/
--
1.7.3.4


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