diff options
Diffstat (limited to 'userdiff.c')
| -rw-r--r-- | userdiff.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/userdiff.c b/userdiff.c index 32ead9654a..42b86ac63d 100644 --- a/userdiff.c +++ b/userdiff.c @@ -60,9 +60,23 @@ PATTERNS("pascal", "|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+" "|<>|<=|>=|:=|\\.\\."), PATTERNS("perl", - "^package .*;\n" - "^sub .* \\{\n" - "^[A-Z]+ \\{\n" /* BEGIN, END, ... */ + "^package .*\n" + "^sub [[:alnum:]_':]+[ \t]*" + "(\\([^)]*\\)[ \t]*)?" /* prototype */ + /* + * Attributes. A regex can't count nested parentheses, + * so just slurp up whatever we see, taking care not + * to accept lines like "sub foo; # defined elsewhere". + * + * An attribute could contain a semicolon, but at that + * point it seems reasonable enough to give up. + */ + "(:[^;#]*)?" + "(\\{[ \t]*)?" /* brace can come here or on the next line */ + "(#.*)?$\n" /* comment */ + "^[A-Z]+[ \t]*" /* BEGIN, END, ... */ + "(\\{[ \t]*)?" /* brace can come here or on the next line */ + "(#.*)?$\n" "^=head[0-9] .*", /* POD */ /* -- */ "[[:alpha:]_'][[:alnum:]_']*" |