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7c174a1a25
This avoids miscolorizing part of a string when it contains a URL.
This fixes https://savannah.gnu.org/bugs/?64340.
Reported-by: Yonut Smith <deanlast3@gmail.com>
Problem has existed for more than twenty years, at least since support
for multine-line regexes was added in commit 6c1e6612 in 2002.
47 lines
1.9 KiB
Plaintext
47 lines
1.9 KiB
Plaintext
## Syntax highlighting for C and C++ files.
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syntax c "\.([ch](pp|xx)?|C|cc|c\+\+|cu|H|hh|ii?)$"
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header "-\*-.*\<C(\+\+)?((;|[[:blank:]]).*)?-\*-"
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magic "^(C|C\+\+) (source|program)"
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comment "//"
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# Constants.
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color brightred "\<[A-Z_][0-9A-Z_]*\>"
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# Labels.
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color brightmagenta "^[[:blank:]]*[A-Z_a-z][0-9A-Z_a-z]*:[[:blank:]]*$"
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color normal ":[[:blank:]]*$"
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# Types and related keywords.
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color green "\<(auto|bool|char|const|double|enum|extern|float|inline|int|long|restrict|short|signed|sizeof|static|struct|typedef|union|unsigned|void)\>"
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color green "\<([[:lower:]][[:lower:]_]*|(u_?)?int(8|16|32|64))_t\>"
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color green "\<(_(Alignas|Alignof|Atomic|Bool|Complex|Generic|Imaginary|Noreturn|Static_assert|Thread_local))\>"
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color green "\<(class|explicit|friend|mutable|namespace|override|private|protected|public|register|template|this|typename|using|virtual|volatile)\>"
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# Flow control.
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color brightyellow "\<(if|else|for|while|do|switch|case|default)\>"
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color brightyellow "\<(try|throw|catch|operator|new|delete)\>"
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color magenta "\<(break|continue|goto|return)\>"
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# Single-quoted stuff (characters, backslash escapes, hex and octal byte codes).
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color brightmagenta "'([^'\]|\\(["'\abfnrtv]|x[[:xdigit:]]{1,2}|[0-3]?[0-7]{1,2}))'"
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# GCC builtins.
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color cyan "__attribute__[[:blank:]]*\(\([^)]*\)\)|__(aligned|asm|builtin|hidden|inline|packed|restrict|section|typeof|weak)__"
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# Strings and names of included files.
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color brightyellow ""([^"]|\\")*"|#[[:blank:]]*include[[:blank:]]*<[^>]+>"
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# Preprocessor directives.
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color brightcyan start="^[[:blank:]]*#[[:blank:]]*(if(n?def)?|elif|warning|error|pragma)\>" end="(\`|[^\])$"
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color brightcyan "^[[:blank:]]*#[[:blank:]]*((define|else|endif|include(_next)?|line|undef)\>|$)"
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# Comments.
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color brightblue "//[^"]*$|(^|[[:blank:]])//.*"
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color brightblue start="/\*" end="\*/"
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# Reminders.
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color brightwhite,yellow "\<(FIXME|TODO|XXX)\>"
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# Trailing whitespace.
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color ,green "[[:space:]]+$"
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