Add support for recognition of Objective-C class & instance methods, C functions, and class implementation/interfaces.
Signed-off-by: Jonathan del Strother <jon.delStrother@xxxxxxxxxxxxx>
---
This version anchors the negated match to the beginning of the line, and shuffles the comments around to avoid the excessively long lines. Better?
Documentation/gitattributes.txt | 2 ++
diff.c | 24 +++++++++++++++++++-----
2 files changed, 21 insertions(+), 5 deletions(-)
diff --git a/Documentation/gitattributes.txt b/Documentation/gitattributes.txt
index 6f3551d..c1f13e2 100644
--- a/Documentation/gitattributes.txt
+++ b/Documentation/gitattributes.txt
@@ -315,6 +315,8 @@ patterns are available:
- `java` suitable for source code in the Java language.
+- `objc` suitable for source code in the Objective-C language.
+
- `pascal` suitable for source code in the Pascal/Delphi language.
- `php` suitable for source code in the PHP language.
diff --git a/diff.c b/diff.c
index 998dcaa..e5ec503 100644
--- a/diff.c
+++ b/diff.c
@@ -1398,17 +1398,31 @@ static struct builtin_funcname_pattern {
} builtin_funcname_pattern[] = {
{ "bibtex", "\\(@[a-zA-Z]\\{1,\\}[ \t]*{\\{0,1\\}[ \t]*[^ \t\"@',\\#}{~%]*\\).*$" },
{ "html", "^\\s*\\(<[Hh][1-6]\\s.*>.*\\)$" },
- { "java", "!^[ ]*\\(catch\\|do\\|for\\|if\\|instanceof\\|"
+
+ { "java", "!^[ \t]*\\(catch\\|do\\|for\\|if\\|instanceof\\|"
"new\\|return\\|switch\\|throw\\|while\\)\n"
- "^[ ]*\\(\\([ ]*"
+ "^[ \t]*\\(\\([ \t]*"
"[A-Za-z_][A-Za-z_0-9]*\\)\\{2,\\}"
- "[ ]*([^;]*\\)$" },
+ "[ \t]*([^;]*\\)$" },
+
+ { "objc",
+ /* Negate C statements that can look like functions */
+ "!^[ \t]*\\(do\\|for\\|if\\|else\\|return\\|switch\\|while\\)\n"
+ /* Objective-C methods */
+ "^[ \t]*\\([-+][ \t]*([ \t]*[A-Za-z_][A-Za-z_0-9]*.*).*\\)$"
+ "\\|"
+ /* C functions */
+ "^[ \t]*\\(\\([ \t]*[A-Za-z_][A-Za-z_0-9]*\\)\\{2,\\}[ \t]*([^;]*\\)$"
+ "\\|"
+ /* Objective-C class/protocol definitions */
+ "^@\\(implementation\\|interface\\|protocol\\).*"},
+
{ "pascal", "^\\(\\(procedure\\|function\\|constructor\\|"
"destructor\\|interface\\|implementation\\|"
"initialization\\|finalization\\)[ \t]*.*\\)$"
"\\|"
- "^\\(.*=[ \t]*\\(class\\|record\\).*\\)$"
- },
+ "^\\(.*=[ \t]*\\(class\\|record\\).*\\)$"},
+
{ "php", "^[\t ]*\\(\\(function\\|class\\).*\\)" },
{ "python", "^\\s*\\(\\(class\\|def\\)\\s.*\\)$" },
{ "ruby", "^\\s*\\(\\(class\\|module\\|def\\)\\s.*\\)$" },
--
1.6.0.2.250.ge7a3b.dirty
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