rf-web/vendor/bundle/gems/rouge-3.12.0/lib/rouge/lexers/cpp.rb
2019-10-21 10:18:17 +02:00

83 lines
2.5 KiB
Ruby

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