Use recursion to improve matching of function parameter lists

Signed-off-by: Alejandro Colomar <alx@kernel.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/bin/grepc b/bin/grepc
index 8e55e1a..758349e 100755
--- a/bin/grepc
+++ b/bin/grepc
@@ -204,18 +204,18 @@ grepc_enum_constant()
 grepc_func_proto()
 {
 	grepc_helper \
-	  "\b$1\s*\(" \
+	  "(\($1\)|\b$1)\s*\(" \
 	  '.' \
-	  '(?s)^[\w[]([\w\s\(,\)[\]*]|::)+[\w\s\)*\]]\s+\**\(?'"$1"'\)?\s*\(([\w\s\(,\)[\]*]|::)+?(\.\.\.)?\)([\w\s\(,\)[\]]|::)*;';
+	  '(?s)^[\w[](?:[\w\s\(,\)[\]*]|::)+[\w\s\)*\]]\s+\**\(?'"$1"'\)?\s*(\((?:[\w\s,[\]*]|::|(?1))*(?:\.\.\.)?\))(?:[\w\s\(,\)[\]]|::)*;';
 }
 
 
 grepc_func_def()
 {
 	grepc_helper \
-	  "\b$1\s*\(" \
+	  "(\($1\)|\b$1)\s*\(" \
 	  '.' \
-	  '(?s)^[\w[]([\w\s\(,\)[\]*]|::)*[\w\s\)*\]]\s+\**\(?'"$1"'\)?\s*\(([\w\s\(,\)[\]*]|::)+?(\.\.\.)?\)[ \t]*\n([ \t]*){.*?^\4}';
+	  '(?s)^[\w[](?:[\w\s\(,\)[\]*]|::)*[\w\s\)*\]]\s+\**\(?'"$1"'\)?\s*(\((?:[\w\s,[\]*]|::|(?1))*(?:\.\.\.)?\))[ \t]*\n([ \t]*){.*?^\2}';
 }