Add bin and edit workflow

bin/gems/rouge-4.5.1/lib/rouge/lexers/kotlin.rb

@@ -0,0 +1,145 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  module Lexers
+    class Kotlin < RegexLexer
+      # https://kotlinlang.org/docs/reference/grammar.html
+
+      title "Kotlin"
+      desc "Kotlin Programming Language (http://kotlinlang.org)"
+
+      tag 'kotlin'
+      filenames '*.kt', '*.kts'
+      mimetypes 'text/x-kotlin'
+
+      keywords = %w(
+        abstract annotation as break by catch class companion const
+        constructor continue crossinline do dynamic else enum
+        external false final finally for fun get if import in infix
+        inline inner interface internal is lateinit noinline null
+        object open operator out override package private protected
+        public reified return sealed set super suspend tailrec this
+        throw true try typealias typeof val var vararg when where
+        while yield
+      )
+
+      name_chars = %r'[-\p{Lu}\p{Ll}\p{Lt}\p{Lm}\p{Nl}\p{Nd}\p{Pc}\p{Cf}\p{Mn}\p{Mc}]*'
+
+      class_name = %r'`?[\p{Lu}]#{name_chars}`?'
+      name = %r'`?[_\p{Lu}\p{Ll}\p{Lt}\p{Lm}\p{Nl}]#{name_chars}`?'
+
+      state :root do
+        rule %r'\b(companion)(\s+)(object)\b' do
+          groups Keyword, Text, Keyword
+        end
+        rule %r'\b(class|data\s+class|interface|object)(\s+)' do
+          groups Keyword::Declaration, Text
+          push :class
+        end
+        rule %r'\b(fun)(\s+)' do
+          groups Keyword, Text
+          push :function
+        end
+        rule %r'\b(package|import)(\s+)' do
+          groups Keyword, Text
+          push :package
+        end
+        rule %r'\b(val|var)(\s+)(\()' do
+          groups Keyword::Declaration, Text, Punctuation
+          push :destructure
+        end
+        rule %r'\b(val|var)(\s+)' do
+          groups Keyword::Declaration, Text
+          push :property
+        end
+        rule %r'(return|continue|break|this|super)(@#{name})?\b' do
+          groups Keyword, Name::Decorator
+        end
+        rule %r'\bfun\b', Keyword
+        rule %r'\b(?:#{keywords.join('|')})\b', Keyword
+        rule %r'^\s*\[.*?\]', Name::Attribute
+        rule %r'[^\S\n]+', Text
+        rule %r'\\\n', Text # line continuation
+        rule %r'//.*?$', Comment::Single
+        rule %r'/[*].*[*]/', Comment::Multiline # single line block comment
+        rule %r'/[*].*', Comment::Multiline, :comment # multiline block comment
+        rule %r'\n', Text
+        rule %r'(::)(class)' do
+          groups Operator, Keyword
+        end
+        rule %r'::|!!|\?[:.]', Operator
+        rule %r"(\.\.)", Operator
+        # Number literals
+        decDigits = %r"([0-9][0-9_]*[0-9])|[0-9]"
+        exponent = %r"[eE][+-]?(#{decDigits})"
+        double = %r"((#{decDigits})?\.#{decDigits}(#{exponent})?)|(#{decDigits}#{exponent})"
+        rule %r"(#{double}[fF]?)|(#{decDigits}[fF])", Num::Float
+        rule %r"0[bB]([01][01_]*[01]|[01])[uU]?L?", Num::Bin
+        rule %r"0[xX]([0-9a-fA-F][0-9a-fA-F_]*[0-9a-fA-F]|[0-9a-fA-F])[uU]?L?", Num::Hex
+        rule %r"(([1-9][0-9_]*[0-9])|[0-9])[uU]?L?", Num::Integer
+        rule %r'[~!%^&*()+=|\[\]:;,.<>/?-]', Punctuation
+        rule %r'[{}]', Punctuation
+        rule %r'@"(""|[^"])*"'m, Str
+        rule %r'""".*?"""'m, Str
+        rule %r'"(\\\\|\\"|[^"\n])*["\n]'m, Str
+        rule %r"'\\.'|'[^\\]'", Str::Char
+        rule %r'(@#{class_name})', Name::Decorator
+        rule %r'(#{class_name})(<)' do
+          groups Name::Class, Punctuation
+          push :generic_parameters
+        end
+        rule class_name, Name::Class
+        rule %r'(#{name})(?=\s*[({])', Name::Function
+        rule %r'(#{name})@', Name::Decorator # label
+        rule name, Name
+      end
+
+      state :package do
+        rule %r'\S+', Name::Namespace, :pop!
+      end
+
+      state :class do
+        rule class_name, Name::Class, :pop!
+      end
+
+      state :function do
+        rule %r'(<)', Punctuation, :generic_parameters
+        rule %r'(\s+)', Text
+        rule %r'(#{class_name})(\.)' do
+          groups Name::Class, Punctuation
+        end
+        rule name, Name::Function, :pop!
+      end
+
+      state :generic_parameters do
+        rule class_name, Name::Class
+        rule %r'(<)', Punctuation, :generic_parameters
+        rule %r'(reified|out|in)', Keyword
+        rule %r'([,:.?])', Punctuation
+        rule %r'(\s+)', Text
+        rule %r'(>)', Punctuation, :pop!
+      end
+
+      state :property do
+        rule %r'(<)', Punctuation, :generic_parameters
+        rule %r'(\s+)', Text
+        rule name, Name::Property, :pop!
+      end
+
+      state :destructure do
+        rule %r'(,)', Punctuation
+        rule %r'(\))', Punctuation, :pop!
+        rule %r'(\s+)', Text
+        rule name, Name::Property
+      end
+
+      state :comment do
+        rule %r'/[*]', Comment::Multiline, :comment
+        rule %r'[*]/', Comment::Multiline, :pop!
+        rule %r'[^/*]+', Comment::Multiline
+        rule %r'[/*]', Comment::Multiline
+      end
+    end
+  end
+end