contrib/examples/git-merge.sh: avoid "test <cond> -a/-o <cond>"

diff --git a/userdiff.c b/userdiff.c
index ea43a0306f1a017f719e0d6b7c1de8b063760184..fad52d6392fab8aadc8f6555db5aafcde224a120 100644 (file)
--- a/userdiff.c
+++ b/userdiff.c
@@ -15,13 +15,13 @@ static int drivers_alloc;
          word_regex "|[^[:space:]]|[\xc0-\xff][\x80-\xbf]+" }
 static struct userdiff_driver builtin_drivers[] = {
 IPATTERN("ada",
-        "!^(.*[ \t])?(is new|renames|is separate)([ \t].*)?$\n"
+        "!^(.*[ \t])?(is[ \t]+new|renames|is[ \t]+separate)([ \t].*)?$\n"
         "!^[ \t]*with[ \t].*$\n"
         "^[ \t]*((procedure|function)[ \t]+.*)$\n"
         "^[ \t]*((package|protected|task)[ \t]+.*)$",
         /* -- */
         "[a-zA-Z][a-zA-Z0-9_]*"
-        "|[0-9][-+0-9#_.eE]"
+        "|[-+]?[0-9][0-9#_.aAbBcCdDeEfF]*([eE][+-]?[0-9_]+)?"
         "|=>|\\.\\.|\\*\\*|:=|/=|>=|<=|<<|>>|<>"),
 IPATTERN("fortran",
         "!^([C*]|[ \t]*!)\n"
@@ -125,15 +125,13 @@ PATTERNS("tex", "^(\\\\((sub)*section|chapter|part)\\*{0,1}\\{.*)$",
         "\\\\[a-zA-Z@]+|\\\\.|[a-zA-Z0-9\x80-\xff]+"),
 PATTERNS("cpp",
         /* Jump targets or access declarations */
-        "!^[ \t]*[A-Za-z_][A-Za-z_0-9]*:.*$\n"
-        /* C/++ functions/methods at top level */
-        "^([A-Za-z_][A-Za-z_0-9]*([ \t*]+[A-Za-z_][A-Za-z_0-9]*([ \t]*::[ \t]*[^[:space:]]+)?){1,}[ \t]*\\([^;]*)$\n"
-        /* compound type at top level */
-        "^((struct|class|enum)[^;]*)$",
+        "!^[ \t]*[A-Za-z_][A-Za-z_0-9]*:[[:space:]]*($|/[/*])\n"
+        /* functions/methods, variables, and compounds at top level */
+        "^((::[[:space:]]*)?[A-Za-z_].*)$",
         /* -- */
         "[a-zA-Z_][a-zA-Z0-9_]*"
-        "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?"
-        "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"),
+        "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lLuU]*"
+        "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->\\*?|\\.\\*"),
 PATTERNS("csharp",
         /* Keywords */
         "!^[ \t]*(do|while|for|if|else|instanceof|new|return|switch|case|throw|catch|using)\n"