79 lines
2.2 KiB
Ruby
79 lines
2.2 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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class Vala < RegexLexer
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tag 'vala'
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filenames '*.vala'
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mimetypes 'text/x-vala'
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title "Vala"
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desc 'A programming language similar to csharp.'
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id = /@?[_a-z]\w*/i
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keywords = %w(
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abstract as async base break case catch const construct continue
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default delegate delete do dynamic else ensures enum errordomain
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extern false finally for foreach get global if in inline interface
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internal is lock new null out override owned private protected
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public ref requires return set signal sizeof static switch this
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throw throws true try typeof unowned var value virtual void weak
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while yield
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)
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keywords_type = %w(
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bool char double float int int8 int16 int32 int64 long short size_t
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ssize_t string unichar uint uint8 uint16 uint32 uint64 ulong ushort
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)
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state :whitespace do
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rule %r/\s+/m, Text
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rule %r(//.*?$), Comment::Single
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rule %r(/[*].*?[*]/)m, Comment::Multiline
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end
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state :root do
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mixin :whitespace
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rule %r/^\s*\[.*?\]/, Name::Attribute
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rule %r/(<\[)\s*(#{id}:)?/, Keyword
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rule %r/\]>/, Keyword
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rule %r/[~!%^&*()+=|\[\]{}:;,.<>\/?-]/, Punctuation
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rule %r/@"(\\.|.)*?"/, Str
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rule %r/"(\\.|.)*?["\n]/, Str
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rule %r/'(\\.|.)'/, Str::Char
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rule %r/0x[0-9a-f]+[lu]?/i, Num
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rule %r(
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[0-9]
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([.][0-9]*)? # decimal
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(e[+-][0-9]+)? # exponent
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[fldu]? # type
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)ix, Num
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rule %r/\b(#{keywords.join('|')})\b/, Keyword
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rule %r/\b(#{keywords_type.join('|')})\b/, Keyword::Type
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rule %r/class|struct/, Keyword, :class
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rule %r/namespace|using/, Keyword, :namespace
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rule %r/#{id}(?=\s*[(])/, Name::Function
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rule id, Name
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rule %r/#.*/, Comment::Preproc
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end
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state :class do
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mixin :whitespace
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rule id, Name::Class, :pop!
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end
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state :namespace do
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mixin :whitespace
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rule %r/(?=[(])/, Text, :pop!
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rule %r/(#{id}|[.])+/, Name::Namespace, :pop!
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end
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end
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end
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end
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