rf-web/vendor/bundle/gems/rouge-3.12.0/lib/rouge/lexers/vala.rb

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2019-10-21 08:18:17 +00:00
# -*- coding: utf-8 -*- #
# frozen_string_literal: true
module Rouge
module Lexers
class Vala < RegexLexer
tag 'vala'
filenames '*.vala'
mimetypes 'text/x-vala'
title "Vala"
desc 'A programming language similar to csharp.'
id = /@?[_a-z]\w*/i
keywords = %w(
abstract as async base break case catch const construct continue
default delegate delete do dynamic else ensures enum errordomain
extern false finally for foreach get global if in inline interface
internal is lock new null out override owned private protected
public ref requires return set signal sizeof static switch this
throw throws true try typeof unowned var value virtual void weak
while yield
)
keywords_type = %w(
bool char double float int int8 int16 int32 int64 long short size_t
ssize_t string unichar uint uint8 uint16 uint32 uint64 ulong ushort
)
state :whitespace do
rule %r/\s+/m, Text
rule %r(//.*?$), Comment::Single
rule %r(/[*].*?[*]/)m, Comment::Multiline
end
state :root do
mixin :whitespace
rule %r/^\s*\[.*?\]/, Name::Attribute
rule %r/(<\[)\s*(#{id}:)?/, Keyword
rule %r/\]>/, Keyword
rule %r/[~!%^&*()+=|\[\]{}:;,.<>\/?-]/, Punctuation
rule %r/@"(\\.|.)*?"/, Str
rule %r/"(\\.|.)*?["\n]/, Str
rule %r/'(\\.|.)'/, Str::Char
rule %r/0x[0-9a-f]+[lu]?/i, Num
rule %r(
[0-9]
([.][0-9]*)? # decimal
(e[+-][0-9]+)? # exponent
[fldu]? # type
)ix, Num
rule %r/\b(#{keywords.join('|')})\b/, Keyword
rule %r/\b(#{keywords_type.join('|')})\b/, Keyword::Type
rule %r/class|struct/, Keyword, :class
rule %r/namespace|using/, Keyword, :namespace
rule %r/#{id}(?=\s*[(])/, Name::Function
rule id, Name
rule %r/#.*/, Comment::Preproc
end
state :class do
mixin :whitespace
rule id, Name::Class, :pop!
end
state :namespace do
mixin :whitespace
rule %r/(?=[(])/, Text, :pop!
rule %r/(#{id}|[.])+/, Name::Namespace, :pop!
end
end
end
end