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-rw-r--r--Documentation/gitattributes.txt2
-rwxr-xr-xt/t4018-diff-funcname.sh2
-rw-r--r--userdiff.c15
3 files changed, 18 insertions, 1 deletions
diff --git a/Documentation/gitattributes.txt b/Documentation/gitattributes.txt
index 5a7f936..e59b878 100644
--- a/Documentation/gitattributes.txt
+++ b/Documentation/gitattributes.txt
@@ -494,6 +494,8 @@ patterns are available:
- `pascal` suitable for source code in the Pascal/Delphi language.
+- `perl` suitable for source code in the Perl language.
+
- `php` suitable for source code in the PHP language.
- `python` suitable for source code in the Python language.
diff --git a/t/t4018-diff-funcname.sh b/t/t4018-diff-funcname.sh
index 0a61b57..3646930 100755
--- a/t/t4018-diff-funcname.sh
+++ b/t/t4018-diff-funcname.sh
@@ -32,7 +32,7 @@ EOF
sed 's/beer\\/beer,\\/' < Beer.java > Beer-correct.java
-builtin_patterns="bibtex cpp csharp fortran html java objc pascal php python ruby tex"
+builtin_patterns="bibtex cpp csharp fortran html java objc pascal perl php python ruby tex"
for p in $builtin_patterns
do
test_expect_success "builtin $p pattern compiles" '
diff --git a/userdiff.c b/userdiff.c
index 2d54536..fc2afe3 100644
--- a/userdiff.c
+++ b/userdiff.c
@@ -61,6 +61,21 @@ PATTERNS("pascal",
"|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+"
"|<>|<=|>=|:=|\\.\\."
"|[^[:space:]]|[\x80-\xff]+"),
+PATTERNS("perl",
+ "^[ \t]*package .*;\n"
+ "^[ \t]*sub .* \\{",
+ /* -- */
+ "[[:alpha:]_'][[:alnum:]_']*"
+ "|0[xb]?[0-9a-fA-F_]*"
+ /* taking care not to interpret 3..5 as (3.)(.5) */
+ "|[0-9a-fA-F_]+(\\.[0-9a-fA-F_]+)?([eE][-+]?[0-9_]+)?"
+ "|=>|-[rwxoRWXOezsfdlpSugkbctTBMAC>]|~~|::"
+ "|&&=|\\|\\|=|//=|\\*\\*="
+ "|&&|\\|\\||//|\\+\\+|--|\\*\\*|\\.\\.\\.?"
+ "|[-+*/%.^&<>=!|]="
+ "|=~|!~"
+ "|<<|<>|<=>|>>"
+ "|[^[:space:]]"),
PATTERNS("php",
"^[\t ]*(((public|protected|private|static)[\t ]+)*function.*)$\n"
"^[\t ]*(class.*)$",