cc-imenu-c++-generic-expression

cc-imenu-c++-generic-expression is a variable defined in `cc-menus.el'.
Its value is

((nil "^\\<.*[^[:alnum:]_:<>~]\\(\\([[:alnum:]_:<>~]*::\\)?operator\\>[ 	]*\\(()\\|[^(]*\\)\\)[ 	]*([^)]*)[ 	]*[^ 	;]" 1)
 (nil "^\\([[:alpha:]_][[:alnum:]_:<>~]*\\)[ 	]*([ 	]*\\([^ 	(*][^)]*\\)?)[ 	]*[^ 	;(]" 1)
 (nil "^\\<[^()\n]*[^[:alnum:]_:<>~]\\([[:alpha:]_][[:alnum:]_:<>~]*\\)\\([ 	\n]\\|\\\\\n\\)*(\\([ 	\n]\\|\\\\\n\\)*\\([^ 	\n(*][^()]*\\(([^()]*)[^()]*\\)*\\)?)\\([ 	\n]\\|\\\\\n\\)*[^ 	\n;(]" 1)
 ("Class" "^\\(template[ 	]*<[^>]+>[ 	]*\\)?\\(class\\|struct\\)[ 	]+\\([[:alnum:]_]+\\(<[^>]+>\\)?\\)\\([ 	\n]\\|\\\\\n\\)*[:{]" 3))

Documentation:
Imenu generic expression for C++ mode. See `imenu-generic-expression'.