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

109 lines
2.4 KiB
Ruby

# frozen_string_literal: true
module Rouge
module Lexers
class Tulip < RegexLexer
desc 'the tulip programming language (twitter.com/tuliplang)'
tag 'tulip'
aliases 'tulip'
filenames '*.tlp'
mimetypes 'text/x-tulip', 'application/x-tulip'
def self.detect?(text)
return true if text.shebang? 'tulip'
end
id = /[a-z][\w-]*/i
upper_id = /[A-Z][\w-]*/
state :comments_and_whitespace do
rule %r/\s+/, Text
rule %r/#.*?$/, Comment
end
state :root do
mixin :comments_and_whitespace
rule %r/@#{id}/, Keyword
rule %r/(\\#{id})([{])/ do
groups Name::Function, Str
push :nested_string
end
rule %r/([+]#{id})([{])/ do
groups Name::Decorator, Str
push :nested_string
end
rule %r/\\#{id}/, Name::Function
rule %r/[+]#{id}/, Name::Decorator
rule %r/"[{]/, Str, :dqi
rule %r/"/, Str, :dq
rule %r/'{/, Str, :nested_string
rule %r/'#{id}/, Str
rule %r/[.]#{id}/, Name::Tag
rule %r/[$]#{id}?/, Name::Variable
rule %r/-#{id}:?/, Name::Label
rule %r/%#{id}/, Name::Function
rule %r/`#{id}/, Operator::Word
rule %r/[?~%._>,!\[\]:{}()=;\/-]/, Punctuation
rule %r/[0-9]+([.][0-9]+)?/, Num
rule %r/#{id}/, Name
rule %r/</, Comment::Preproc, :angle_brackets
end
state :dq do
rule %r/[^\\"]+/, Str
rule %r/"/, Str, :pop!
rule %r/\\./, Str::Escape
end
state :dqi do
rule %r/[$][(]/, Str::Interpol, :interp_root
rule %r/[{]/, Str, :dqi
rule %r/[}]/, Str, :pop!
rule %r/[^{}$]+/, Str
rule %r/./, Str
end
state :interp_root do
rule %r/[)]/, Str::Interpol, :pop!
mixin :interp
end
state :interp do
rule %r/[(]/, Punctuation, :interp
rule %r/[)]/, Punctuation, :pop!
mixin :root
end
state :nested_string do
rule %r/\\./, Str::Escape
rule(/{/) { token Str; push :nested_string }
rule(/}/) { token Str; pop! }
rule(/[^{}\\]+/) { token Str }
end
state :angle_brackets do
mixin :comments_and_whitespace
rule %r/>/, Comment::Preproc, :pop!
rule %r/[*:]/, Punctuation
rule %r/#{upper_id}/, Keyword::Type
rule %r/#{id}/, Name::Variable
end
end
end
end