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-rw-r--r--userdiff.c55
1 files changed, 46 insertions, 9 deletions
diff --git a/userdiff.c b/userdiff.c
index e399543..82bc76b 100644
--- a/userdiff.c
+++ b/userdiff.c
@@ -3,6 +3,7 @@
#include "userdiff.h"
#include "attr.h"
#include "strbuf.h"
+#include "environment.h"
static struct userdiff_driver *drivers;
static int ndrivers;
@@ -89,12 +90,48 @@ PATTERNS("cpp",
"|\\.[0-9][0-9]*([Ee][-+]?[0-9]+)?[fFlL]?"
"|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->\\*?|\\.\\*|<=>"),
PATTERNS("csharp",
- /* Keywords */
- "!^[ \t]*(do|while|for|if|else|instanceof|new|return|switch|case|throw|catch|using)\n"
- /* Methods and constructors */
- "^[ \t]*(((static|public|internal|private|protected|new|virtual|sealed|override|unsafe|async)[ \t]+)*[][<>@.~_[:alnum:]]+[ \t]+[<>@._[:alnum:]]+[ \t]*\\(.*\\))[ \t]*$\n"
- /* Properties */
- "^[ \t]*(((static|public|internal|private|protected|new|virtual|sealed|override|unsafe)[ \t]+)*[][<>@.~_[:alnum:]]+[ \t]+[@._[:alnum:]]+)[ \t]*$\n"
+ /*
+ * Jump over reserved keywords which are illegal method names, but which
+ * can be followed by parentheses without special characters in between,
+ * making them look like methods.
+ */
+ "!(^|[ \t]+)" /* Start of line or whitespace. */
+ "(do|while|for|foreach|if|else|new|default|return|switch|case|throw"
+ "|catch|using|lock|fixed)"
+ "([ \t(]+|$)\n" /* Whitespace, "(", or end of line. */
+ /*
+ * Methods/constructors:
+ * The strategy is to identify a minimum of two groups (any combination
+ * of keywords/type/name) before the opening parenthesis, and without
+ * final unexpected characters, normally only used in ordinary statements.
+ */
+ "^[ \t]*" /* Remove leading whitespace. */
+ "(" /* Start chunk header capture. */
+ "(" /* First group. */
+ "[][[:alnum:]@_.]" /* Name. */
+ "(<[][[:alnum:]@_, \t<>]+>)?" /* Optional generic parameters. */
+ ")+"
+ "([ \t]+" /* Subsequent groups, prepended with space. */
+ "([][[:alnum:]@_.](<[][[:alnum:]@_, \t<>]+>)?)+"
+ ")+"
+ "[ \t]*" /* Optional space before parameters start. */
+ "\\(" /* Start of method parameters. */
+ "[^;]*" /* Allow complex parameters, but exclude statements (;). */
+ ")$\n" /* Close chunk header capture. */
+ /*
+ * Properties:
+ * As with methods, expect a minimum of two groups. But, more trivial than
+ * methods, the vast majority of properties long enough to be worth
+ * showing a chunk header for don't include "=:;,()" on the line they are
+ * defined, since they don't have a parameter list.
+ */
+ "^[ \t]*("
+ "([][[:alnum:]@_.](<[][[:alnum:]@_, \t<>]+>)?)+"
+ "([ \t]+"
+ "([][[:alnum:]@_.](<[][[:alnum:]@_, \t<>]+>)?)+"
+ ")+" /* Up to here, same as methods regex. */
+ "[^;=:,()]*" /* Compared to methods, no parameter list allowed. */
+ ")$\n"
/* Type definitions */
"^[ \t]*(((static|public|internal|private|protected|new|unsafe|sealed|abstract|partial)[ \t]+)*(class|enum|interface|struct|record)[ \t]+.*)$\n"
/* Namespace */
@@ -323,8 +360,7 @@ static int userdiff_find_by_namelen_cb(struct userdiff_driver *driver,
{
struct find_by_namelen_data *cb_data = priv;
- if (!strncmp(driver->name, cb_data->name, cb_data->len) &&
- !driver->name[cb_data->len]) {
+ if (!xstrncmpz(driver->name, cb_data->name, cb_data->len)) {
cb_data->driver = driver;
return 1; /* tell the caller to stop iterating */
}
@@ -460,7 +496,8 @@ struct userdiff_driver *userdiff_get_textconv(struct repository *r,
if (!driver->textconv)
return NULL;
- if (driver->textconv_want_cache && !driver->textconv_cache) {
+ if (driver->textconv_want_cache && !driver->textconv_cache &&
+ have_git_dir()) {
struct notes_cache *c = xmalloc(sizeof(*c));
struct strbuf name = STRBUF_INIT;