Add ISBL lexer (#891)

This commit adds a lexer for ISBL.

lib/rouge/demos/isbl

@@ -0,0 +1,4 @@
+NameReq = Object.Requisites(SYSREQ_NAME)
+if Assigned(NameReq.AsString)
+  ShowMessage("Привет мир")
+endif

lib/rouge/lexers/isbl.rb

@@ -0,0 +1,97 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+module Rouge
+  module Lexers
+    class ISBL < RegexLexer
+      title "ISBL"
+      desc "The ISBL programming language"
+      tag 'isbl'
+      filenames '*.isbl'
+
+      def self.builtins
+        load File.join(__dir__, 'isbl/builtins.rb')
+        self.builtins
+      end
+
+      def self.constants
+        @constants ||= self.builtins["const"].merge(self.builtins["enum"]).collect!(&:downcase)
+      end
+
+      def self.interfaces
+        @interfaces ||= self.builtins["interface"].collect!(&:downcase)
+      end
+
+      def self.globals
+        @globals ||= self.builtins["global"].collect!(&:downcase)
+      end
+
+      def self.keywords
+        @keywords = Set.new %w(
+          and и else иначе endexcept endfinally endforeach конецвсе endif конецесли endwhile
+          конецпока except exitfor finally foreach все if если in в not не or или try while пока
+        )
+      end
+
+      state :whitespace do
+        rule %r/\s+/m, Text
+        rule %r(//.*?$), Comment::Single
+        rule %r(/[*].*?[*]/)m, Comment::Multiline
+      end
+
+      state :dotted do
+        mixin :whitespace
+        rule %r/[a-zа-яё_0-9]*/i do |m|
+          name = m[0]
+          if self.class.constants.include? name.downcase
+            token Name::Builtin
+          elsif in_state? :type
+            token Keyword::Type
+          else
+            token Name
+          end
+          pop!
+        end
+      end
+
+      state :type do
+        mixin :whitespace
+        rule %r/[a-zа-яё_0-9]*/i do |m|
+          name = m[0]
+          if self.class.interfaces.include? name.downcase
+            token Keyword::Type
+          else
+            token Name
+          end
+          pop!
+        end
+        rule %r/[.]/, Punctuation, :dotted
+        rule(//) { pop! }
+      end
+
+      state :root do
+        mixin :whitespace
+        rule %r/[:]/, Punctuation, :type
+        rule %r/[.]/, Punctuation, :dotted
+        rule %r/[\[\]();]/, Punctuation
+        rule %r([&*+=<>/-]), Operator
+        rule %r/\b[a-zа-яё_][a-zа-яё_0-9]*(?=[(])/i, Name::Function
+        rule %r/[a-zа-яё_!][a-zа-яё_0-9]*/i do |m|
+          name = m[0]
+          if self.class.keywords.include? name.downcase
+            token Keyword
+          elsif self.class.constants.include? name.downcase
+            token Name::Builtin
+          elsif self.class.globals.include? name.downcase
+            token Name::Variable::Global
+          else
+            token Name::Variable
+          end
+        end
+        rule %r/\b(\d+(\.\d+)?)\b/, Literal::Number
+        rule %r(["].*?["])m, Literal::String::Double
+        rule %r(['].*?['])m, Literal::String::Single
+      end
+    end
+  end
+end

spec/lexers/isbl_spec.rb

@@ -0,0 +1,14 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+describe Rouge::Lexers::ISBL do
+  let(:subject) { Rouge::Lexers::ISBL.new }
+
+  describe 'guessing' do
+    include Support::Guessing
+
+    it 'guesses by filename' do
+      assert_guess :filename => 'foo.isbl'
+    end
+  end
+end

spec/visual/samples/isbl

@@ -0,0 +1,69 @@
+// Types
+App : IApplication
+Employees : IReference.РАБ = References.ReferenceFactory("РАБ").GetComponent
+
+// Operators
+Result = 1 + 1 / 2
+
+// Numbers
+Integer = 5
+Float = 5.5
+WordBool = True
+
+// Strings
+Double_Quotes = "An example"
+Single_Quotes = 'An example'
+
+// Comments
+
+/********************************************
+ * Получить список кодов или ИД работников, *
+ * соответствующих пользователю.            *
+ ********************************************/
+
+// Example code
+
+ADD_EQUAL_NUMBER_TEMPLATE = "%s.%s = %s"
+ADD_EQUAL_STATE_TEMPLATE = "%s.%s = '%s'"
+EMPLOYEES_REFERENCE = "РАБ"
+// Проверить, сущуствует ли пользователь с ИД UserID
+ExceptionsOff()
+FreeException()
+ServiceFactory.GetUserByID(UserID)
+ExceptionsOn()
+if ExceptionExists()
+  Raise(CreateException("EDIRInvalidTypeOfParam";
+    LoadStringFmt("DIR21A2F148_1B41_40F3_9152_6E09E712025A"; "COMMON";
+      ArrayOf(UserID)); ecException)) // Не существует пользователя с ИД = %s
+endif
+Employees : IReference.РАБ = CreateReference(EMPLOYEES_REFERENCE; ArrayOf("Пользователь"; SYSREQ_STATE); FALSE)
+Employees.Events.DisableAll
+EmployeesTableName = Employees.TableName
+EmployeesUserWhereID = Employees.AddWhere(Format(ADD_EQUAL_NUMBER_TEMPLATE; ArrayOf(EmployeesTableName;
+  Employees.Requisites("Пользователь").SQLFieldName; UserID)))
+if OnlyActive
+  EmployeesStateWhereID = Employees.AddWhere(Format(ADD_EQUAL_STATE_TEMPLATE; ArrayOf(EmployeesTableName;
+    Employees.Requisites(SYSREQ_STATE).SQLFieldName; Employees.Requisites(SYSREQ_STATE).Items.IDByValue("Действующая"))))
+endif
+if Assigned(OurOrgID)
+  EmployeesOurOrgIDWhereID = Employees.AddWhere(Format(ADD_EQUAL_STATE_TEMPLATE; ArrayOf(EmployeesTableName;
+    Employees.Requisites("НашаОрг").SQLFieldName; OurOrgID)))
+endif
+Employees.Open()
+Result = CreateStringList()
+foreach Employee in Employees
+  if IsResultCode
+    Result.Add(Employee.SYSREQ_CODE)
+  else
+    Result.Add(Employee.SYSREQ_ID)
+  endif
+endforeach
+Employees.Close()
+Employees.DelWhere(EmployeesUserWhereID)
+if OnlyActive
+  Employees.DelWhere(EmployeesStateWhereID)
+endif
+if Assigned(OurOrgID)
+  Employees.DelWhere(EmployeesOurOrgIDWhereID)
+endif
+Employees.Events.EnableAll