Add bin and edit workflow

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

@@ -0,0 +1,162 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  module Lexers
+    class Awk < RegexLexer
+      title "Awk"
+      desc "pattern-directed scanning and processing language"
+
+      tag 'awk'
+      filenames '*.awk'
+      mimetypes 'application/x-awk'
+
+      def self.detect?(text)
+        return true if text.shebang?('awk')
+      end
+
+      id = /[$a-zA-Z_][a-zA-Z0-9_]*/
+
+      def self.keywords
+        @keywords ||= Set.new %w(
+          if else while for do break continue return next nextfile delete
+          exit print printf getline
+        )
+      end
+
+      def self.declarations
+        @declarations ||= Set.new %w(function)
+      end
+
+      def self.reserved
+        @reserved ||= Set.new %w(BEGIN END)
+      end
+
+      def self.constants
+        @constants ||= Set.new %w(
+          CONVFMT FS NF NR FNR FILENAME RS OFS ORS OFMT SUBSEP ARGC ARGV
+          ENVIRON
+        )
+      end
+
+      def self.builtins
+        @builtins ||= %w(
+          exp log sqrt sin cos atan2 length rand srand int substr index match
+          split sub gsub sprintf system tolower toupper
+        )
+      end
+
+      state :comments_and_whitespace do
+        rule %r/\s+/, Text
+        rule %r(#.*?$), Comment::Single
+      end
+
+      state :expr_start do
+        mixin :comments_and_whitespace
+        rule %r(/) do
+          token Str::Regex
+          goto :regex
+        end
+        rule %r//, Text, :pop!
+      end
+
+      state :regex do
+        rule %r(/) do
+          token Str::Regex
+          goto :regex_end
+        end
+
+        rule %r([^/]\n), Error, :pop!
+
+        rule %r/\n/, Error, :pop!
+        rule %r/\[\^/, Str::Escape, :regex_group
+        rule %r/\[/, Str::Escape, :regex_group
+        rule %r/\\./, Str::Escape
+        rule %r{[(][?][:=<!]}, Str::Escape
+        rule %r/[{][\d,]+[}]/, Str::Escape
+        rule %r/[()?]/, Str::Escape
+        rule %r/./, Str::Regex
+      end
+
+      state :regex_end do
+        rule(//) { pop! }
+      end
+
+      state :regex_group do
+        # specially highlight / in a group to indicate that it doesn't
+        # close the regex
+        rule %r(/), Str::Escape
+
+        rule %r([^/]\n) do
+          token Error
+          pop! 2
+        end
+
+        rule %r/\]/, Str::Escape, :pop!
+        rule %r/\\./, Str::Escape
+        rule %r/./, Str::Regex
+      end
+
+      state :bad_regex do
+        rule %r/[^\n]+/, Error, :pop!
+      end
+
+      state :root do
+        mixin :comments_and_whitespace
+        rule %r((?<=\n)(?=\s|/)), Text, :expr_start
+        rule %r([-<>+*/%\^!=]=?|in\b|\+\+|--|\|), Operator, :expr_start
+        rule %r(&&|\|\||~!?), Operator, :expr_start
+        rule %r/[(\[,]/, Punctuation, :expr_start
+        rule %r/;/, Punctuation, :statement
+        rule %r/[)\].]/, Punctuation
+
+        rule %r/[?]/ do
+          token Punctuation
+          push :ternary
+          push :expr_start
+        end
+
+        rule %r/[{}]/, Punctuation, :statement
+
+        rule id do |m|
+          if self.class.keywords.include? m[0]
+            token Keyword
+            push :expr_start
+          elsif self.class.declarations.include? m[0]
+            token Keyword::Declaration
+            push :expr_start
+          elsif self.class.reserved.include? m[0]
+            token Keyword::Reserved
+          elsif self.class.constants.include? m[0]
+            token Keyword::Constant
+          elsif self.class.builtins.include? m[0]
+            token Name::Builtin
+          elsif m[0] =~ /^\$/
+            token Name::Variable
+          else
+            token Name::Other
+          end
+        end
+
+        rule %r/[0-9]+\.[0-9]+/, Num::Float
+        rule %r/[0-9]+/, Num::Integer
+        rule %r/"(\\[\\"]|[^"])*"/, Str::Double
+        rule %r/:/, Punctuation
+      end
+
+      state :statement do
+        rule %r/[{}]/, Punctuation
+        mixin :expr_start
+      end
+
+      state :ternary do
+        rule %r/:/ do
+          token Punctuation
+          goto :expr_start
+        end
+
+        mixin :root
+      end
+    end
+  end
+end