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1ab631647e
Recent version of PHP supports interface, trait, abstract class and final class. This patch fixes the PHP hunk header regexp to support all of these keywords. Signed-off-by: Kana Natsuno <dev@whileimautomaton.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
310 lines
10 KiB
C
310 lines
10 KiB
C
#include "cache.h"
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#include "config.h"
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#include "userdiff.h"
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#include "attr.h"
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static struct userdiff_driver *drivers;
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static int ndrivers;
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static int drivers_alloc;
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#define PATTERNS(name, pattern, word_regex) \
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{ name, NULL, -1, { pattern, REG_EXTENDED }, \
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word_regex "|[^[:space:]]|[\xc0-\xff][\x80-\xbf]+" }
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#define IPATTERN(name, pattern, word_regex) \
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{ name, NULL, -1, { pattern, REG_EXTENDED | REG_ICASE }, \
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word_regex "|[^[:space:]]|[\xc0-\xff][\x80-\xbf]+" }
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static struct userdiff_driver builtin_drivers[] = {
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IPATTERN("ada",
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"!^(.*[ \t])?(is[ \t]+new|renames|is[ \t]+separate)([ \t].*)?$\n"
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"!^[ \t]*with[ \t].*$\n"
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"^[ \t]*((procedure|function)[ \t]+.*)$\n"
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"^[ \t]*((package|protected|task)[ \t]+.*)$",
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/* -- */
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"[a-zA-Z][a-zA-Z0-9_]*"
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"|[-+]?[0-9][0-9#_.aAbBcCdDeEfF]*([eE][+-]?[0-9_]+)?"
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"|=>|\\.\\.|\\*\\*|:=|/=|>=|<=|<<|>>|<>"),
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IPATTERN("fortran",
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"!^([C*]|[ \t]*!)\n"
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"!^[ \t]*MODULE[ \t]+PROCEDURE[ \t]\n"
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"^[ \t]*((END[ \t]+)?(PROGRAM|MODULE|BLOCK[ \t]+DATA"
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"|([^'\" \t]+[ \t]+)*(SUBROUTINE|FUNCTION))[ \t]+[A-Z].*)$",
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/* -- */
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"[a-zA-Z][a-zA-Z0-9_]*"
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"|\\.([Ee][Qq]|[Nn][Ee]|[Gg][TtEe]|[Ll][TtEe]|[Tt][Rr][Uu][Ee]|[Ff][Aa][Ll][Ss][Ee]|[Aa][Nn][Dd]|[Oo][Rr]|[Nn]?[Ee][Qq][Vv]|[Nn][Oo][Tt])\\."
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/* numbers and format statements like 2E14.4, or ES12.6, 9X.
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* Don't worry about format statements without leading digits since
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* they would have been matched above as a variable anyway. */
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"|[-+]?[0-9.]+([AaIiDdEeFfLlTtXx][Ss]?[-+]?[0-9.]*)?(_[a-zA-Z0-9][a-zA-Z0-9_]*)?"
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"|//|\\*\\*|::|[/<>=]="),
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IPATTERN("fountain", "^((\\.[^.]|(int|ext|est|int\\.?/ext|i/e)[. ]).*)$",
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"[^ \t-]+"),
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PATTERNS("golang",
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/* Functions */
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"^[ \t]*(func[ \t]*.*(\\{[ \t]*)?)\n"
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/* Structs and interfaces */
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"^[ \t]*(type[ \t].*(struct|interface)[ \t]*(\\{[ \t]*)?)",
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/* -- */
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"[a-zA-Z_][a-zA-Z0-9_]*"
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"|[-+0-9.eE]+i?|0[xX]?[0-9a-fA-F]+i?"
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"|[-+*/<>%&^|=!:]=|--|\\+\\+|<<=?|>>=?|&\\^=?|&&|\\|\\||<-|\\.{3}"),
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PATTERNS("html", "^[ \t]*(<[Hh][1-6]([ \t].*)?>.*)$",
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"[^<>= \t]+"),
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PATTERNS("java",
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"!^[ \t]*(catch|do|for|if|instanceof|new|return|switch|throw|while)\n"
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"^[ \t]*(([A-Za-z_][A-Za-z_0-9]*[ \t]+)+[A-Za-z_][A-Za-z_0-9]*[ \t]*\\([^;]*)$",
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/* -- */
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"[a-zA-Z_][a-zA-Z0-9_]*"
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"|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?"
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"|[-+*/<>%&^|=!]="
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"|--|\\+\\+|<<=?|>>>?=?|&&|\\|\\|"),
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PATTERNS("matlab",
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"^[[:space:]]*((classdef|function)[[:space:]].*)$|^%%[[:space:]].*$",
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"[a-zA-Z_][a-zA-Z0-9_]*|[-+0-9.e]+|[=~<>]=|\\.[*/\\^']|\\|\\||&&"),
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PATTERNS("objc",
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/* Negate C statements that can look like functions */
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"!^[ \t]*(do|for|if|else|return|switch|while)\n"
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/* Objective-C methods */
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"^[ \t]*([-+][ \t]*\\([ \t]*[A-Za-z_][A-Za-z_0-9* \t]*\\)[ \t]*[A-Za-z_].*)$\n"
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/* C functions */
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"^[ \t]*(([A-Za-z_][A-Za-z_0-9]*[ \t]+)+[A-Za-z_][A-Za-z_0-9]*[ \t]*\\([^;]*)$\n"
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/* Objective-C class/protocol definitions */
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"^(@(implementation|interface|protocol)[ \t].*)$",
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/* -- */
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"[a-zA-Z_][a-zA-Z0-9_]*"
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"|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?"
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"|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"),
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PATTERNS("pascal",
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"^(((class[ \t]+)?(procedure|function)|constructor|destructor|interface|"
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"implementation|initialization|finalization)[ \t]*.*)$"
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"\n"
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"^(.*=[ \t]*(class|record).*)$",
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/* -- */
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"[a-zA-Z_][a-zA-Z0-9_]*"
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"|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+"
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"|<>|<=|>=|:=|\\.\\."),
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PATTERNS("perl",
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"^package .*\n"
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"^sub [[:alnum:]_':]+[ \t]*"
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"(\\([^)]*\\)[ \t]*)?" /* prototype */
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/*
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* Attributes. A regex can't count nested parentheses,
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* so just slurp up whatever we see, taking care not
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* to accept lines like "sub foo; # defined elsewhere".
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*
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* An attribute could contain a semicolon, but at that
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* point it seems reasonable enough to give up.
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*/
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"(:[^;#]*)?"
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"(\\{[ \t]*)?" /* brace can come here or on the next line */
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"(#.*)?$\n" /* comment */
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"^(BEGIN|END|INIT|CHECK|UNITCHECK|AUTOLOAD|DESTROY)[ \t]*"
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"(\\{[ \t]*)?" /* brace can come here or on the next line */
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"(#.*)?$\n"
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"^=head[0-9] .*", /* POD */
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/* -- */
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"[[:alpha:]_'][[:alnum:]_']*"
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"|0[xb]?[0-9a-fA-F_]*"
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/* taking care not to interpret 3..5 as (3.)(.5) */
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"|[0-9a-fA-F_]+(\\.[0-9a-fA-F_]+)?([eE][-+]?[0-9_]+)?"
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"|=>|-[rwxoRWXOezsfdlpSugkbctTBMAC>]|~~|::"
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"|&&=|\\|\\|=|//=|\\*\\*="
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"|&&|\\|\\||//|\\+\\+|--|\\*\\*|\\.\\.\\.?"
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"|[-+*/%.^&<>=!|]="
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"|=~|!~"
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"|<<|<>|<=>|>>"),
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PATTERNS("php",
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"^[\t ]*(((public|protected|private|static)[\t ]+)*function.*)$\n"
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"^[\t ]*((((final|abstract)[\t ]+)?class|interface|trait).*)$",
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/* -- */
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"[a-zA-Z_][a-zA-Z0-9_]*"
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"|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+"
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"|[-+*/<>%&^|=!.]=|--|\\+\\+|<<=?|>>=?|===|&&|\\|\\||::|->"),
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PATTERNS("python", "^[ \t]*((class|def)[ \t].*)$",
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/* -- */
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"[a-zA-Z_][a-zA-Z0-9_]*"
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"|[-+0-9.e]+[jJlL]?|0[xX]?[0-9a-fA-F]+[lL]?"
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"|[-+*/<>%&^|=!]=|//=?|<<=?|>>=?|\\*\\*=?"),
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/* -- */
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PATTERNS("ruby", "^[ \t]*((class|module|def)[ \t].*)$",
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/* -- */
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"(@|@@|\\$)?[a-zA-Z_][a-zA-Z0-9_]*"
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"|[-+0-9.e]+|0[xXbB]?[0-9a-fA-F]+|\\?(\\\\C-)?(\\\\M-)?."
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"|//=?|[-+*/<>%&^|=!]=|<<=?|>>=?|===|\\.{1,3}|::|[!=]~"),
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PATTERNS("bibtex", "(@[a-zA-Z]{1,}[ \t]*\\{{0,1}[ \t]*[^ \t\"@',\\#}{~%]*).*$",
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"[={}\"]|[^={}\" \t]+"),
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PATTERNS("tex", "^(\\\\((sub)*section|chapter|part)\\*{0,1}\\{.*)$",
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"\\\\[a-zA-Z@]+|\\\\.|[a-zA-Z0-9\x80-\xff]+"),
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PATTERNS("cpp",
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/* Jump targets or access declarations */
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"!^[ \t]*[A-Za-z_][A-Za-z_0-9]*:[[:space:]]*($|/[/*])\n"
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/* functions/methods, variables, and compounds at top level */
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"^((::[[:space:]]*)?[A-Za-z_].*)$",
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/* -- */
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"[a-zA-Z_][a-zA-Z0-9_]*"
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"|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lLuU]*"
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"|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->\\*?|\\.\\*"),
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PATTERNS("csharp",
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/* Keywords */
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"!^[ \t]*(do|while|for|if|else|instanceof|new|return|switch|case|throw|catch|using)\n"
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/* Methods and constructors */
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"^[ \t]*(((static|public|internal|private|protected|new|virtual|sealed|override|unsafe|async)[ \t]+)*[][<>@.~_[:alnum:]]+[ \t]+[<>@._[:alnum:]]+[ \t]*\\(.*\\))[ \t]*$\n"
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/* Properties */
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"^[ \t]*(((static|public|internal|private|protected|new|virtual|sealed|override|unsafe)[ \t]+)*[][<>@.~_[:alnum:]]+[ \t]+[@._[:alnum:]]+)[ \t]*$\n"
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/* Type definitions */
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"^[ \t]*(((static|public|internal|private|protected|new|unsafe|sealed|abstract|partial)[ \t]+)*(class|enum|interface|struct)[ \t]+.*)$\n"
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/* Namespace */
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"^[ \t]*(namespace[ \t]+.*)$",
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/* -- */
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"[a-zA-Z_][a-zA-Z0-9_]*"
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"|[-+0-9.e]+[fFlL]?|0[xXbB]?[0-9a-fA-F]+[lL]?"
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"|[-+*/<>%&^|=!]=|--|\\+\\+|<<=?|>>=?|&&|\\|\\||::|->"),
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IPATTERN("css",
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"![:;][[:space:]]*$\n"
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"^[_a-z0-9].*$",
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/* -- */
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/*
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* This regex comes from W3C CSS specs. Should theoretically also
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* allow ISO 10646 characters U+00A0 and higher,
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* but they are not handled in this regex.
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*/
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"-?[_a-zA-Z][-_a-zA-Z0-9]*" /* identifiers */
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"|-?[0-9]+|\\#[0-9a-fA-F]+" /* numbers */
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),
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{ "default", NULL, -1, { NULL, 0 } },
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};
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#undef PATTERNS
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#undef IPATTERN
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static struct userdiff_driver driver_true = {
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"diff=true",
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NULL,
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0,
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{ NULL, 0 }
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};
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static struct userdiff_driver driver_false = {
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"!diff",
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NULL,
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1,
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{ NULL, 0 }
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};
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static struct userdiff_driver *userdiff_find_by_namelen(const char *k, int len)
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{
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int i;
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for (i = 0; i < ndrivers; i++) {
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struct userdiff_driver *drv = drivers + i;
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if (!strncmp(drv->name, k, len) && !drv->name[len])
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return drv;
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}
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for (i = 0; i < ARRAY_SIZE(builtin_drivers); i++) {
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struct userdiff_driver *drv = builtin_drivers + i;
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if (!strncmp(drv->name, k, len) && !drv->name[len])
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return drv;
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}
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return NULL;
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}
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static int parse_funcname(struct userdiff_funcname *f, const char *k,
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const char *v, int cflags)
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{
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if (git_config_string(&f->pattern, k, v) < 0)
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return -1;
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f->cflags = cflags;
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return 0;
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}
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static int parse_tristate(int *b, const char *k, const char *v)
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{
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if (v && !strcasecmp(v, "auto"))
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*b = -1;
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else
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*b = git_config_bool(k, v);
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return 0;
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}
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static int parse_bool(int *b, const char *k, const char *v)
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{
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*b = git_config_bool(k, v);
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return 0;
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}
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int userdiff_config(const char *k, const char *v)
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{
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struct userdiff_driver *drv;
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const char *name, *type;
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int namelen;
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if (parse_config_key(k, "diff", &name, &namelen, &type) || !name)
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return 0;
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drv = userdiff_find_by_namelen(name, namelen);
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if (!drv) {
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ALLOC_GROW(drivers, ndrivers+1, drivers_alloc);
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drv = &drivers[ndrivers++];
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memset(drv, 0, sizeof(*drv));
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drv->name = xmemdupz(name, namelen);
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drv->binary = -1;
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}
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if (!strcmp(type, "funcname"))
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return parse_funcname(&drv->funcname, k, v, 0);
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if (!strcmp(type, "xfuncname"))
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return parse_funcname(&drv->funcname, k, v, REG_EXTENDED);
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if (!strcmp(type, "binary"))
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return parse_tristate(&drv->binary, k, v);
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if (!strcmp(type, "command"))
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return git_config_string(&drv->external, k, v);
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if (!strcmp(type, "textconv"))
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return git_config_string(&drv->textconv, k, v);
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if (!strcmp(type, "cachetextconv"))
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return parse_bool(&drv->textconv_want_cache, k, v);
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if (!strcmp(type, "wordregex"))
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return git_config_string(&drv->word_regex, k, v);
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return 0;
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}
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struct userdiff_driver *userdiff_find_by_name(const char *name) {
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int len = strlen(name);
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return userdiff_find_by_namelen(name, len);
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}
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struct userdiff_driver *userdiff_find_by_path(const char *path)
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{
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static struct attr_check *check;
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if (!check)
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check = attr_check_initl("diff", NULL);
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if (!path)
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return NULL;
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if (git_check_attr(path, check))
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return NULL;
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if (ATTR_TRUE(check->items[0].value))
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return &driver_true;
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if (ATTR_FALSE(check->items[0].value))
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return &driver_false;
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if (ATTR_UNSET(check->items[0].value))
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return NULL;
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return userdiff_find_by_name(check->items[0].value);
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}
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struct userdiff_driver *userdiff_get_textconv(struct userdiff_driver *driver)
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{
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if (!driver->textconv)
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return NULL;
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if (driver->textconv_want_cache && !driver->textconv_cache) {
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struct notes_cache *c = xmalloc(sizeof(*c));
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struct strbuf name = STRBUF_INIT;
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strbuf_addf(&name, "textconv/%s", driver->name);
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notes_cache_init(c, name.buf, driver->textconv);
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driver->textconv_cache = c;
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strbuf_release(&name);
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}
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return driver;
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}
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