diff options
Diffstat (limited to 'userdiff.c')
| -rw-r--r-- | userdiff.c | 66 |
1 files changed, 46 insertions, 20 deletions
diff --git a/userdiff.c b/userdiff.c index e5522159b3..1ff47977d5 100644 --- a/userdiff.c +++ b/userdiff.c @@ -8,10 +8,27 @@ static int ndrivers; static int drivers_alloc; #define PATTERNS(name, pattern, word_regex) \ - { name, NULL, -1, { pattern, REG_EXTENDED }, word_regex } + { name, NULL, -1, { pattern, REG_EXTENDED }, \ + word_regex "|[^[:space:]]|[\xc0-\xff][\x80-\xbf]+" } +#define IPATTERN(name, pattern, word_regex) \ + { name, NULL, -1, { pattern, REG_EXTENDED | REG_ICASE }, \ + word_regex "|[^[:space:]]|[\xc0-\xff][\x80-\xbf]+" } 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].*)$", + /* -- */ + "[a-zA-Z][a-zA-Z0-9_]*" + "|\\.([Ee][Qq]|[Nn][Ee]|[Gg][TtEe]|[Ll][TtEe]|[Tt][Rr][Uu][Ee]|[Ff][Aa][Ll][Ss][Ee]|[Aa][Nn][Dd]|[Oo][Rr]|[Nn]?[Ee][Qq][Vv]|[Nn][Oo][Tt])\\." + /* numbers and format statements like 2E14.4, or ES12.6, 9X. + * Don't worry about format statements without leading digits since + * they would have been matched above as a variable anyway. */ + "|[-+]?[0-9.]+([AaIiDdEeFfLlTtXx][Ss]?[-+]?[0-9.]*)?(_[a-zA-Z0-9][a-zA-Z0-9_]*)?" + "|//|\\*\\*|::|[/<>=]="), PATTERNS("html", "^[ \t]*(<[Hh][1-6][ \t].*>.*)$", - "[^<>= \t]+|[^[:space:]]|[\x80-\xff]+"), + "[^<>= \t]+"), PATTERNS("java", "!^[ \t]*(catch|do|for|if|instanceof|new|return|switch|throw|while)\n" "^[ \t]*(([A-Za-z_][A-Za-z_0-9]*[ \t]+)+[A-Za-z_][A-Za-z_0-9]*[ \t]*\\([^;]*)$", @@ -19,8 +36,7 @@ PATTERNS("java", "[a-zA-Z_][a-zA-Z0-9_]*" "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?" "|[-+*/<>%&^|=!]=" - "|--|\\+\\+|<<=?|>>>?=?|&&|\\|\\|" - "|[^[:space:]]|[\x80-\xff]+"), + "|--|\\+\\+|<<=?|>>>?=?|&&|\\|\\|"), PATTERNS("objc", /* Negate C statements that can look like functions */ "!^[ \t]*(do|for|if|else|return|switch|while)\n" @@ -33,43 +49,54 @@ PATTERNS("objc", /* -- */ "[a-zA-Z_][a-zA-Z0-9_]*" "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?" - "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->" - "|[^[:space:]]|[\x80-\xff]+"), + "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"), PATTERNS("pascal", - "^((procedure|function|constructor|destructor|interface|" + "^(((class[ \t]+)?(procedure|function)|constructor|destructor|interface|" "implementation|initialization|finalization)[ \t]*.*)$" "\n" "^(.*=[ \t]*(class|record).*)$", /* -- */ "[a-zA-Z_][a-zA-Z0-9_]*" "|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+" - "|<>|<=|>=|:=|\\.\\." - "|[^[:space:]]|[\x80-\xff]+"), + "|<>|<=|>=|:=|\\.\\."), +PATTERNS("perl", + "^[ \t]*package .*;\n" + "^[ \t]*sub .* \\{\n" + "^[A-Z]+ \\{\n" /* BEGIN, END, ... */ + "^=head[0-9] ", /* POD */ + /* -- */ + "[[:alpha:]_'][[:alnum:]_']*" + "|0[xb]?[0-9a-fA-F_]*" + /* taking care not to interpret 3..5 as (3.)(.5) */ + "|[0-9a-fA-F_]+(\\.[0-9a-fA-F_]+)?([eE][-+]?[0-9_]+)?" + "|=>|-[rwxoRWXOezsfdlpSugkbctTBMAC>]|~~|::" + "|&&=|\\|\\|=|//=|\\*\\*=" + "|&&|\\|\\||//|\\+\\+|--|\\*\\*|\\.\\.\\.?" + "|[-+*/%.^&<>=!|]=" + "|=~|!~" + "|<<|<>|<=>|>>"), PATTERNS("php", "^[\t ]*(((public|protected|private|static)[\t ]+)*function.*)$\n" "^[\t ]*(class.*)$", /* -- */ "[a-zA-Z_][a-zA-Z0-9_]*" "|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+" - "|[-+*/<>%&^|=!.]=|--|\\+\\+|<<=?|>>=?|===|&&|\\|\\||::|->" - "|[^[:space:]]|[\x80-\xff]+"), + "|[-+*/<>%&^|=!.]=|--|\\+\\+|<<=?|>>=?|===|&&|\\|\\||::|->"), PATTERNS("python", "^[ \t]*((class|def)[ \t].*)$", /* -- */ "[a-zA-Z_][a-zA-Z0-9_]*" "|[-+0-9.e]+[jJlL]?|0[xX]?[0-9a-fA-F]+[lL]?" - "|[-+*/<>%&^|=!]=|//=?|<<=?|>>=?|\\*\\*=?" - "|[^[:space:]|[\x80-\xff]+"), + "|[-+*/<>%&^|=!]=|//=?|<<=?|>>=?|\\*\\*=?"), /* -- */ PATTERNS("ruby", "^[ \t]*((class|module|def)[ \t].*)$", /* -- */ "(@|@@|\\$)?[a-zA-Z_][a-zA-Z0-9_]*" "|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+|\\?(\\\\C-)?(\\\\M-)?." - "|//=?|[-+*/<>%&^|=!]=|<<=?|>>=?|===|\\.{1,3}|::|[!=]~" - "|[^[:space:]|[\x80-\xff]+"), + "|//=?|[-+*/<>%&^|=!]=|<<=?|>>=?|===|\\.{1,3}|::|[!=]~"), PATTERNS("bibtex", "(@[a-zA-Z]{1,}[ \t]*\\{{0,1}[ \t]*[^ \t\"@',\\#}{~%]*).*$", "[={}\"]|[^={}\" \t]+"), PATTERNS("tex", "^(\\\\((sub)*section|chapter|part)\\*{0,1}\\{.*)$", - "\\\\[a-zA-Z@]+|\\\\.|[a-zA-Z0-9\x80-\xff]+|[^[:space:]]"), + "\\\\[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" @@ -80,8 +107,7 @@ PATTERNS("cpp", /* -- */ "[a-zA-Z_][a-zA-Z0-9_]*" "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?" - "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->" - "|[^[:space:]]|[\x80-\xff]+"), + "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"), PATTERNS("csharp", /* Keywords */ "!^[ \t]*(do|while|for|if|else|instanceof|new|return|switch|case|throw|catch|using)\n" @@ -96,11 +122,11 @@ PATTERNS("csharp", /* -- */ "[a-zA-Z_][a-zA-Z0-9_]*" "|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?" - "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->" - "|[^[:space:]]|[\x80-\xff]+"), + "|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"), { "default", NULL, -1, { NULL, 0 } }, }; #undef PATTERNS +#undef IPATTERN static struct userdiff_driver driver_true = { "diff=true", |