Add bin and edit workflow

bin/gems/rouge-4.7.0/lib/rouge/lexers/swift.rb

@@ -0,0 +1,202 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  module Lexers
+    class Swift < RegexLexer
+      tag 'swift'
+      filenames '*.swift'
+
+      title "Swift"
+      desc 'Multi paradigm, compiled programming language developed by Apple for iOS and OS X development. (developer.apple.com/swift)'
+
+      id_head = /_|(?!\p{Mc})\p{Alpha}|[^\u0000-\uFFFF]/
+      id_rest = /[\p{Alnum}_]|[^\u0000-\uFFFF]/
+      id = /#{id_head}#{id_rest}*/
+
+      keywords = Set.new %w(
+        autoreleasepool await break case catch consume continue default defer discard do each else fallthrough guard if in for repeat return switch throw try where while
+
+        as dynamicType is new super self Self Type
+
+        associativity async didSet get infix inout isolated left mutating none nonmutating operator override postfix precedence precedencegroup prefix rethrows right set throws unowned weak willSet
+      )
+
+      declarations = Set.new %w(
+        actor any associatedtype borrowing class consuming deinit distributed dynamic enum convenience extension fileprivate final func import indirect init internal lazy let macro nonisolated open optional package private protocol public required some static struct subscript typealias var
+      )
+
+      constants = Set.new %w(
+        true false nil
+      )
+
+      start do
+        push :bol
+        @re_delim = "" # multi-line regex delimiter
+      end
+
+      # beginning of line
+      state :bol do
+        rule %r/#(?![#"\/]).*/, Comment::Preproc
+
+        mixin :inline_whitespace
+
+        rule(//) { pop! }
+      end
+
+      state :inline_whitespace do
+        rule %r/\s+/m, Text
+        mixin :has_comments
+      end
+
+      state :whitespace do
+        rule %r/\n+/m, Text, :bol
+        rule %r(\/\/.*?$), Comment::Single, :bol
+        mixin :inline_whitespace
+      end
+
+      state :has_comments do
+        rule %r(/[*]), Comment::Multiline, :nested_comment
+      end
+
+      state :nested_comment do
+        mixin :has_comments
+        rule %r([*]/), Comment::Multiline, :pop!
+        rule %r([^*/]+)m, Comment::Multiline
+        rule %r/./, Comment::Multiline
+      end
+
+      state :root do
+        mixin :whitespace
+        
+        rule %r/\$(([1-9]\d*)?\d)/, Name::Variable
+        rule %r/\$#{id}/, Name
+        rule %r/~Copyable\b/, Keyword::Type
+
+        rule %r{[()\[\]{}:;,?\\]}, Punctuation
+        rule %r{(#*)/(?!\s).*(?<![\s\\])/\1}, Str::Regex
+        rule %r([-/=+*%<>!&|^.~]+), Operator
+        rule %r/@?"/, Str, :dq
+        rule %r/'(\\.|.)'/, Str::Char
+        rule %r/(\d+(?:_\d+)*\*|(?:\d+(?:_\d+)*)*\.\d+(?:_\d)*)(e[+-]?\d+(?:_\d)*)?/i, Num::Float
+        rule %r/\d+e[+-]?[0-9]+/i, Num::Float
+        rule %r/0o?[0-7]+(?:_[0-7]+)*/, Num::Oct
+        rule %r/0x[0-9A-Fa-f]+(?:_[0-9A-Fa-f]+)*((\.[0-9A-F]+(?:_[0-9A-F]+)*)?p[+-]?\d+)?/, Num::Hex
+        rule %r/0b[01]+(?:_[01]+)*/, Num::Bin
+        rule %r{[\d]+(?:_\d+)*}, Num::Integer
+
+        rule %r/@#{id}/, Keyword::Declaration
+        rule %r/##{id}/, Keyword
+
+        rule %r/(private|internal)(\([ ]*)(\w+)([ ]*\))/ do |m|
+          if m[3] == 'set'
+            token Keyword::Declaration
+          else
+            groups Keyword::Declaration, Keyword::Declaration, Error, Keyword::Declaration
+          end
+        end
+
+        rule %r/(unowned\([ ]*)(\w+)([ ]*\))/ do |m|
+          if m[2] == 'safe' || m[2] == 'unsafe'
+            token Keyword::Declaration
+          else
+            groups Keyword::Declaration, Error, Keyword::Declaration
+          end
+        end
+
+        rule %r/(let|var)\b(\s*)(#{id})/ do
+          groups Keyword, Text, Name::Variable
+        end
+
+        rule %r/(let|var)\b(\s*)([(])/ do
+          groups Keyword, Text, Punctuation
+          push :tuple
+        end
+
+        rule %r/(?!\b(if|while|for|private|internal|unowned|switch|case)\b)\b#{id}(?=(\?|!)?\s*[(])/ do |m|
+          if m[0] =~ /^[[:upper:]]/
+            token Keyword::Type
+          else
+            token Name::Function
+          end
+        end
+
+        rule %r/as[?!]?(?=\s)/, Keyword
+        rule %r/try[!]?(?=\s)/, Keyword
+
+        rule %r/(#?(?!default)(?![[:upper:]])#{id})(\s*)(:)/ do
+          groups Name::Variable, Text, Punctuation
+        end
+
+        rule id do |m|
+          if keywords.include? m[0]
+            token Keyword
+          elsif declarations.include? m[0]
+            token Keyword::Declaration
+          elsif constants.include? m[0]
+            token Keyword::Constant
+          elsif m[0] =~ /^[[:upper:]]/
+            token Keyword::Type
+          else
+            token Name
+          end
+        end
+
+        rule %r/(`)(#{id})(`)/ do
+          groups Punctuation, Name::Variable, Punctuation
+        end
+
+        rule %r{(#+)/\n} do |m|
+          @re_delim = m[1]
+          token Str::Regex
+          push :re_multi
+        end
+      end
+
+      state :tuple do
+        rule %r/(#{id})/, Name::Variable
+        rule %r/(`)(#{id})(`)/ do
+            groups Punctuation, Name::Variable, Punctuation
+        end
+        rule %r/,/, Punctuation
+        rule %r/[(]/, Punctuation, :push
+        rule %r/[)]/, Punctuation, :pop!
+        mixin :inline_whitespace
+      end
+
+      state :dq do
+        rule %r/\\[\\0tnr'"]/, Str::Escape
+        rule %r/\\[(]/, Str::Escape, :interp
+        rule %r/\\u\{\h{1,8}\}/, Str::Escape
+        rule %r/[^\\"]+/, Str
+        rule %r/"""/, Str, :pop!
+        rule %r/"/, Str, :pop!
+      end
+
+      state :interp do
+        rule %r/[(]/, Punctuation, :interp_inner
+        rule %r/[)]/, Str::Escape, :pop!
+        mixin :root
+      end
+
+      state :interp_inner do
+        rule %r/[(]/, Punctuation, :push
+        rule %r/[)]/, Punctuation, :pop!
+        mixin :root
+      end
+
+      state :re_multi do
+        rule %r{^\s*/#+} do |m|
+          token Str::Regex
+          if m[0].end_with?("/#{@re_delim}")
+            @re_delim = ""
+            pop!
+          end
+        end
+
+        rule %r/#.*/, Comment::Single
+        rule %r/./m, Str::Regex
+      end
+    end
+  end
+end