diff options
| -rw-r--r-- | Documentation/gitattributes.txt | 2 | ||||
| -rwxr-xr-x | t/t4018-diff-funcname.sh | 2 | ||||
| -rw-r--r-- | userdiff.c | 17 |
3 files changed, 20 insertions, 1 deletions
diff --git a/Documentation/gitattributes.txt b/Documentation/gitattributes.txt index e5a27d875e..fbf507a7ee 100644 --- a/Documentation/gitattributes.txt +++ b/Documentation/gitattributes.txt @@ -477,6 +477,8 @@ patterns are available: - `csharp` suitable for source code in the C# language. +- `fortran` suitable for source code in the Fortran language. + - `html` suitable for HTML/XHTML documents. - `java` suitable for source code in the Java language. diff --git a/t/t4018-diff-funcname.sh b/t/t4018-diff-funcname.sh index 620cd02798..9a57898339 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 html java objc pascal php python ruby tex" +builtin_patterns="bibtex cpp csharp fortran html java objc pascal php python ruby tex" for p in $builtin_patterns do test_expect_success "builtin $p pattern compiles" ' diff --git a/userdiff.c b/userdiff.c index e5522159b3..f9e05b548c 100644 --- a/userdiff.c +++ b/userdiff.c @@ -9,7 +9,23 @@ static int drivers_alloc; #define PATTERNS(name, pattern, word_regex) \ { name, NULL, -1, { pattern, REG_EXTENDED }, word_regex } +#define IPATTERN(name, pattern, word_regex) \ + { name, NULL, -1, { pattern, REG_EXTENDED | REG_ICASE }, word_regex } static struct userdiff_driver builtin_drivers[] = { +IPATTERN("fortran", + "!^([C*]|[ \t]*!)\n" + "!^[ \t]*MODULE[ \t]+PROCEDURE[ \t]\n" + "^[ \t]*((END[ \t]+)?(PROGRAM|MODULE|BLOCK[ \t]+DATA" + "|([^'\" \t]+[ \t]+)*(SUBROUTINE|FUNCTION))[ \t]+[A-Z].*)$", + /* -- */ + "[a-zA-Z][a-zA-Z0-9_]*" + "|\\.([Ee][Qq]|[Nn][Ee]|[Gg][TtEe]|[Ll][TtEe]|[Tt][Rr][Uu][Ee]|[Ff][Aa][Ll][Ss][Ee]|[Aa][Nn][Dd]|[Oo][Rr]|[Nn]?[Ee][Qq][Vv]|[Nn][Oo][Tt])\\." + /* numbers and format statements like 2E14.4, or ES12.6, 9X. + * Don't worry about format statements without leading digits since + * they would have been matched above as a variable anyway. */ + "|[-+]?[0-9.]+([AaIiDdEeFfLlTtXx][Ss]?[-+]?[0-9.]*)?(_[a-zA-Z0-9][a-zA-Z0-9_]*)?" + "|//|\\*\\*|::|[/<>=]=" + "|[^[:space:]]|[\x80-\xff]+"), PATTERNS("html", "^[ \t]*(<[Hh][1-6][ \t].*>.*)$", "[^<>= \t]+|[^[:space:]]|[\x80-\xff]+"), PATTERNS("java", @@ -101,6 +117,7 @@ PATTERNS("csharp", { "default", NULL, -1, { NULL, 0 } }, }; #undef PATTERNS +#undef IPATTERN static struct userdiff_driver driver_true = { "diff=true", |