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