83 lines
2.5 KiB
Ruby
83 lines
2.5 KiB
Ruby
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# -*- coding: utf-8 -*- #
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# frozen_string_literal: true
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module Rouge
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module Lexers
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load_lexer 'c.rb'
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class Cpp < C
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title "C++"
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desc "The C++ programming language"
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tag 'cpp'
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aliases 'c++'
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# the many varied filenames of c++ source files...
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filenames '*.cpp', '*.hpp',
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'*.c++', '*.h++',
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'*.cc', '*.hh',
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'*.cxx', '*.hxx',
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'*.pde', '*.ino',
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'*.tpp', '*.h'
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mimetypes 'text/x-c++hdr', 'text/x-c++src'
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def self.keywords
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@keywords ||= super + Set.new(%w(
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asm auto catch const_cast delete dynamic_cast explicit export
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friend mutable namespace new operator private protected public
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reinterpret_cast restrict size_of static_cast template this throw
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throws typeid typename using virtual final override
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alignas alignof constexpr decltype noexcept static_assert
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thread_local try
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))
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end
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def self.keywords_type
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@keywords_type ||= super + Set.new(%w(
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bool
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))
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end
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def self.reserved
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@reserved ||= super + Set.new(%w(
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__virtual_inheritance __uuidof __super __single_inheritance
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__multiple_inheritance __interface __event
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))
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end
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id = /[a-zA-Z_][a-zA-Z0-9_]*/
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prepend :root do
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# Offload C++ extensions, http://offload.codeplay.com/
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rule %r/(?:__offload|__blockingoffload|__outer)\b/, Keyword::Pseudo
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end
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# digits with optional inner quotes
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# see www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3781.pdf
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dq = /\d('?\d)*/
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prepend :statements do
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rule %r/class\b/, Keyword, :classname
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rule %r/\d+(\.\d+)?(?:h|(?:min)|s|(?:ms)|(?:us)|(?:ns))/, Num::Other
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rule %r((#{dq}[.]#{dq}?|[.]#{dq})(e[+-]?#{dq}[lu]*)?)i, Num::Float
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rule %r(#{dq}e[+-]?#{dq}[lu]*)i, Num::Float
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rule %r/0x\h('?\h)*[lu]*/i, Num::Hex
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rule %r/0b[01]+(?:_[01]+)*/, Num::Bin
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rule %r/0[0-7]('?[0-7])*[lu]*/i, Num::Oct
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rule %r/#{dq}[lu]*/i, Num::Integer
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rule %r/\bnullptr\b/, Name::Builtin
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rule %r/(?:u8|u|U|L)?R"([a-zA-Z0-9_{}\[\]#<>%:;.?*\+\-\/\^&|~!=,"']{,16})\(.*?\)\1"/m, Str
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end
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state :classname do
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rule id, Name::Class, :pop!
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# template specification
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rule %r/\s*(?=>)/m, Text, :pop!
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rule %r/[.]{3}/, Operator
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mixin :whitespace
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end
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end
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end
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end
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