diff options
| author | Steffen Mueller <smueller@cpan.org> | 2013-04-15 07:59:28 +0200 |
|---|---|---|
| committer | Steffen Mueller <smueller@cpan.org> | 2013-06-25 08:00:24 +0200 |
| commit | af3a4c14a1fd680991b78f47f538a57744c93103 (patch) | |
| tree | 5ca4f3a59199677d7a654782c9835721619240fa | |
| parent | e02e72da331b25be4c961af88dd7fa3469929cf3 (diff) | |
| download | perl-af3a4c14a1fd680991b78f47f538a57744c93103.tar.gz | |
EU::ParseXS: Only initialize some parser regexps once
| -rw-r--r-- | dist/ExtUtils-ParseXS/lib/ExtUtils/ParseXS.pm | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/dist/ExtUtils-ParseXS/lib/ExtUtils/ParseXS.pm b/dist/ExtUtils-ParseXS/lib/ExtUtils/ParseXS.pm index 22482f2b31..45cb4e571d 100644 --- a/dist/ExtUtils-ParseXS/lib/ExtUtils/ParseXS.pm +++ b/dist/ExtUtils-ParseXS/lib/ExtUtils/ParseXS.pm @@ -156,18 +156,20 @@ sub process_file { "|$END)\\s*:"; our ($C_group_rex, $C_arg); - # Group in C (no support for comments or literals) - $C_group_rex = qr/ [({\[] - (?: (?> [^()\[\]{}]+ ) | (??{ $C_group_rex }) )* - [)}\]] /x; - # Chunk in C without comma at toplevel (no comments): - $C_arg = qr/ (?: (?> [^()\[\]{},"']+ ) - | (??{ $C_group_rex }) - | " (?: (?> [^\\"]+ ) - | \\. - )* " # String literal - | ' (?: (?> [^\\']+ ) | \\. )* ' # Char literal - )* /xs; + if (not defined $C_group_rex) { + # Group in C (no support for comments or literals) + $C_group_rex = qr/ [({\[] + (?: (?> [^()\[\]{}]+ ) | (??{ $C_group_rex }) )* + [)}\]] /x; + # Chunk in C without comma at toplevel (no comments): + $C_arg = qr/ (?: (?> [^()\[\]{},"']+ ) + | (??{ $C_group_rex }) + | " (?: (?> [^\\"]+ ) + | \\. + )* " # String literal + | ' (?: (?> [^\\']+ ) | \\. )* ' # Char literal + )* /xs; + } # Since at this point we're ready to begin printing to the output file and # reading from the input file, I want to get as much data as possible into |