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40427cca7a
Approved by: emaste (mentor) MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D12400
88 lines
3 KiB
Text
88 lines
3 KiB
Text
#------------------------------------------------------------------------------
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# $File: c-lang,v 1.26 2017/08/14 07:40:38 christos Exp $
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# c-lang: file(1) magic for C and related languages programs
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#
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# The strength is to beat standard HTML
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# BCPL
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0 search/8192 "libhdr" BCPL source text
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!:mime text/x-bcpl
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0 search/8192 "LIBHDR" BCPL source text
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!:mime text/x-bcpl
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# C
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# Check for class if include is found, otherwise class is beaten by include becouse of lowered strength
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0 regex \^#include C
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>0 regex \^class[[:space:]]+
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>>&0 regex \\{[\.\*]\\}(;)?$ \b++
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>&0 clear x source text
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!:strength + 13
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!:mime text/x-c
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0 regex \^#[[:space:]]*pragma C source text
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!:mime text/x-c
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0 regex \^#[[:space:]]*(if\|ifn)def
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>&0 regex \^#[[:space:]]*endif$ C source text
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!:mime text/x-c
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0 regex \^#[[:space:]]*(if\|ifn)def
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>&0 regex \^#[[:space:]]*define C source text
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!:mime text/x-c
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0 regex \^[[:space:]]*char(\ \\*|\\*)(.+)(=.*)?;[[:space:]]*$ C source text
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!:mime text/x-c
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0 regex \^[[:space:]]*double(\ \\*|\\*)(.+)(=.*)?;[[:space:]]*$ C source text
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!:mime text/x-c
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0 regex \^[[:space:]]*extern[[:space:]]+ C source text
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!:mime text/x-c
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0 regex \^[[:space:]]*float(\ \\*|\\*)(.+)(=.*)?;[[:space:]]*$ C source text
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!:mime text/x-c
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0 regex \^struct[[:space:]]+ C source text
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!:mime text/x-c
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0 regex \^union[[:space:]]+ C source text
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!:mime text/x-c
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0 search/8192 main(
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>&0 regex \\)[[:space:]]*\\{ C source text
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!:mime text/x-c
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# C++
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# The strength of these rules is increased so they beat the C rules above
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0 regex \^namespace[[:space:]]+[_[:alpha:]]{1,30}[[:space:]]*\\{ C++ source text
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!:strength + 30
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!:mime text/x-c++
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# using namespace [namespace] or using std::[lib]
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0 regex \^using[[:space:]]+(namespace\ )?std(::)?[[:alpha:]]*[[:space:]]*; C++ source text
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!:strength + 30
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!:mime text/x-c++
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0 regex \^[[:space:]]*template[[:space:]]*<.*>[[:space:]]*$ C++ source text
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!:strength + 30
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!:mime text/x-c++
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0 regex \^[[:space:]]*virtual[[:space:]]+.*[};][[:space:]]*$ C++ source text
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!:strength + 30
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!:mime text/x-c++
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# But class alone is reduced to avoid beating php (Jens Schleusener)
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0 regex \^[[:space:]]*class[[:space:]]+[[:digit:][:alpha:]:_]+[[:space:]]*\\{(.*[\n]*)*\\}(;)?$ C++ source text
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!:strength + 13
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!:mime text/x-c++
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0 regex \^[[:space:]]*public: C++ source text
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!:strength + 30
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!:mime text/x-c++
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0 regex \^[[:space:]]*private: C++ source text
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!:strength + 30
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!:mime text/x-c++
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0 regex \^[[:space:]]*protected: C++ source text
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!:strength + 30
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!:mime text/x-c++
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# Objective-C
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0 regex \^#import Objective-C source text
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!:strength + 25
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!:mime text/x-objective-c
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# From: Mikhail Teterin <mi@aldan.algebra.com>
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0 string cscope cscope reference data
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>7 string x version %.2s
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# We skip the path here, because it is often long (so file will
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# truncate it) and mostly redundant.
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# The inverted index functionality was added some time between
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# versions 11 and 15, so look for -q if version is above 14:
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>7 string >14
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>>10 search/100 \ -q\ with inverted index
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>10 search/100 \ -c\ text (non-compressed)
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