grepc, grepc.1: -tu: Search also within enum and type definitions

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>

2 files changed, 51 insertions, 2 deletions

diff --git a/bin/grepc b/bin/grepc
index 173cf2b..32b1dd3 100755
--- a/bin/grepc
+++ b/bin/grepc
@@ -268,6 +268,15 @@ grepc_type()
 }
 
 
+grepc_use_enum()
+{
+	grepc_helper \
+	  '\benum\b' \
+	  "\b$1\b" \
+	  "(?s)^([\w[]+[\w\s]*)?\benum\b\s*([\w\s[\]]|::)*\s*{[^}]*^\s*\w+[\w\s[\]=]*\b$1\b.*?^}.*?;";
+}
+
+
 grepc_use_func_def()
 {
 	grepc_helper \
@@ -308,10 +317,47 @@ grepc_use_macro()
 }
 
 
+grepc_use_type_struct_union()
+{
+	grepc_helper \
+	  "\b(struct|union)\b" \
+	  "\b$1\b" \
+	  "(?s)^(?!^[ \t]*typedef\b)([\w[]([\w\s\(,\)[\]*]|::)*[\w\s\)*\]]\s+)?\b(struct|union)\s+\w+\s*[\w\s[\]]*{(?:(?!^}).)*?\b$1\b.*?^}.*?;";
+}
+
+
+grepc_use_type_typedef_simple()
+{
+	grepc_helper \
+	  '^[ \t]*typedef\s' \
+	  "\b$1\b" \
+	  "(?s)^[ \t]*typedef\s+[^{};]*\b$1\b[^{};]+;";
+}
+
+
+grepc_use_type_typedef_struct_union()
+{
+	grepc_helper \
+	  '^[ \t]*typedef\s+(struct|union)\b[^;]*$' \
+	  "\b$1\b" \
+	  "(?s)^[ \t]*typedef\s+(struct|union)\s+[\w\s[\]]*{(?:(?!^(  )?}|^\s*typedef).)*\b$1\b(?:(?!^(  )?}|^\s*typedef).)*^(  )?}\s*\w+;";
+}
+
+
+grepc_use_type()
+{
+	grepc_use_type_struct_union "$1";
+	grepc_use_type_typedef_simple "$1";
+	grepc_use_type_typedef_struct_union "$1";
+}
+
+
 grepc_use()
 {
+	grepc_use_enum "$1";
 	grepc_use_func "$1";
 	grepc_use_macro "$1";
+	grepc_use_type "$1";
 }
 
 
diff --git a/share/man/man1/grepc.1 b/share/man/man1/grepc.1
index d860ce4..e504f5d 100644
--- a/share/man/man1/grepc.1
+++ b/share/man/man1/grepc.1
@@ -55,8 +55,11 @@ Type definitions.
 Uses.
 Searches occurences of
 .BI \eb identifier \eb
-within function bodies and macro replacements,
-and prints the whole functions and/or macros.
+within enums (except as an enum constant),
+function bodies,
+macro replacements,
+and type definitions,
+and prints the whole enum, function, macro, and/or type definitions.
 .SH OPTIONS
 .TP
 .B \-g