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Differences From Artifact [ebc5db0049]:

To Artifact [f6937be6c8]:

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           & "(16:overflowing atom)"));
   begin
      Test (Report);
   end Special_Subexpression;


   procedure Subparser_Interface (Report : in out NT.Reporter'Class) is
      Name : constant String := "Subparser interface";
      Source : constant Atom
        := To_Atom ("(begin(command arg1 (subarg1 subarg2) arg3)end)");
   begin
      declare
         Input : aliased Test_Tools.Memory_Stream;
         Parser : aliased Parsers.Parser;
         Sub : Subparser (Parser'Access, Input'Access);








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           & "(16:overflowing atom)"));
   begin
      Test (Report);
   end Special_Subexpression;


   procedure Subparser_Interface (Report : in out NT.Reporter'Class) is
      Test : NT.Test := Report.Item ("Subparser interface");
      Source : constant Atom
        := To_Atom ("(begin(command arg1 (subarg1 subarg2) arg3)end)");
   begin
      declare
         Input : aliased Test_Tools.Memory_Stream;
         Parser : aliased Parsers.Parser;
         Sub : Subparser (Parser'Access, Input'Access);
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         pragma Assert (Parser.Current_Event = Events.Open_List);
         Parser.Next_Event (Input'Access);
         pragma Assert (Parser.Current_Event = Events.Add_Atom
           and then Parser.Current_Atom = To_Atom ("command"));

         --  Use subparser as command arguments

         Sub.Next (Event);

         if Event /= Events.Add_Atom then
            Report.Item (Name, NT.Fail);
            Report.Info ("Unexpected subparser current event: "
              & Events.Event'Image (Event));
            return;
         end if;

         if Sub.Current_Atom /= To_Atom ("arg1") then
            Report.Item (Name, NT.Fail);
            Test_Tools.Dump_Atom (Report, Sub.Current_Atom,
              "Unexpected first subparser atom");
            return;
         end if;

         Sub.Next (Event);

         if Event /= Events.Open_List then
            Report.Item (Name, NT.Fail);
            Report.Info ("Unexpected subparser second event: "
              & Events.Event'Image (Event));
            return;
         end if;

         if Sub.Current_Level /= 3 then
            Report.Item (Name, NT.Fail);
            Report.Info ("Unexpected nesting level"
              & Natural'Image (Sub.Current_Level));
         end if;

         Sub.Next (Event);

         if Event /= Events.Add_Atom then
            Report.Item (Name, NT.Fail);
            Report.Info ("Unexpected subparser third event: "
              & Events.Event'Image (Event));
            return;
         end if;

         declare
            Data : Atom (21 .. 40);
            Length : Count;
         begin
            Sub.Read_Atom (Data, Length);
            if Data (Data'First .. Data'First + Length - 1)
              /= To_Atom ("subarg1")
            then
               Report.Item (Name, NT.Fail);
               Test_Tools.Dump_Atom (Report,
                 Data (Data'First .. Data'First + Length - 1),
                 "Unexpected first sub-argument atom:");
               return;
            end if;
         end;

         Sub.Next (Event);

         if Event /= Events.Add_Atom then
            Report.Item (Name, NT.Fail);
            Report.Info ("Unexpected subparser third event: "
              & Events.Event'Image (Event));
            return;
         end if;

         Sub.Finish;

         --  Check final state of parser

         if Parser.Current_Event /= Events.Close_List then
            Report.Item (Name, NT.Fail);
            Report.Info ("Unexpected parser final state: "
              & Events.Event'Image (Parser.Current_Event));
            return;
         end if;

         if Parser.Current_Level /= 1 then
            Report.Item (Name, NT.Fail);
            Report.Info ("Unexpected parser final level:"
              & Natural'Image (Parser.Current_Level));
            return;
         end if;

         Parser.Next_Event (Input'Access);

         if Parser.Current_Event /= Events.Add_Atom then
            Report.Item (Name, NT.Fail);
            Report.Info ("Unexpected parser penultimate state: "
              & Events.Event'Image (Parser.Current_Event));
            return;
         end if;

         if Parser.Current_Atom /= To_Atom ("end") then
            Report.Item (Name, NT.Fail);
            Test_Tools.Dump_Atom (Report, Parser.Current_Atom,
              "Parser last atom");
         end if;

         --  Check subparser error states

         if Sub.Current_Event /= Events.End_Of_Input then
            Report.Item (Name, NT.Fail);
            Report.Info ("Unexpected subparser final state: "
              & Events.Event'Image (Parser.Current_Event));
            return;
         end if;

         if Sub.Current_Level /= 2 then
            Report.Item (Name, NT.Fail);
            Report.Info ("Unexpected subparser final level:"
              & Natural'Image (Parser.Current_Level));
            return;
         end if;

         begin
            declare
               Buffer : constant Atom := Sub.Current_Atom;
            begin
               Report.Item (Name, NT.Fail);
               Report.Info
                 ("No exception raised in Current_Atom on finished subparser");
               Test_Tools.Dump_Atom (Report, Buffer);
            end;
            return;
         exception
            when Constraint_Error => null;
            when Error : others =>
               Report.Report_Exception (Name & " (in Current_Atom)", Error);
               return;
         end;

         declare
            Buffer : Atom (1 .. 100);
            Length : Count := 0;
         begin
            Sub.Read_Atom (Buffer, Length);
            Report.Item (Name, NT.Fail);
            Report.Info
              ("No exception raised in Read_Atom on finished subparser");
            Test_Tools.Dump_Atom (Report, Buffer (1 .. Length));
            return;
         exception
            when Constraint_Error => null;
            when Error : others =>
               Report.Report_Exception (Name & " (in Read_Atom)", Error);

               Test_Tools.Dump_Atom (Report, Buffer (1 .. Length), "Buffer");
               return;
         end;

         declare
            Called : Boolean := False;
            Output : Test_Tools.Memory_Stream;

            procedure Process (Data : in Atom);

            procedure Process (Data : in Atom) is
            begin
               Called := True;
               Output.Set_Data (Data);
            end Process;
         begin
            Sub.Query_Atom (Process'Access);
            Report.Item (Name, NT.Fail);
            Report.Info
              ("No exception raised in Query_Atom on finished subparser");
            if Called then
               Test_Tools.Dump_Atom (Report, Output.Get_Data,
                 "Process called with");
            end if;
            return;
         exception
            when Constraint_Error => null;
            when Error : others =>
               Report.Report_Exception (Name & " (in Query_Event)", Error);

               if Called then
                  Test_Tools.Dump_Atom (Report, Output.Get_Data,
                    "Process called with");
               end if;
               return;
         end;

         begin
            Sub.Next (Event);
            Report.Item (Name, NT.Fail);
            Report.Info ("No exception raised in Next on finished subparser");
            Report.Info ("   returned event: " & Events.Event'Image (Event));
            return;
         exception
            when Constraint_Error => null;
            when Error : others =>
               Report.Report_Exception (Name & " (in Next)", Error);
               return;
         end;

         --  Check that above subparser calls have not tampered with Parser

         if Parser.Current_Event /= Events.Add_Atom
           or else Parser.Current_Level /= 1
           or else Parser.Current_Atom /= To_Atom ("end")
         then
            Report.Item (Name, NT.Fail);
            Report.Info ("Parser state changed after calling methods on "
              & "finished subparser");
            return;
         end if;
      end;

      Report.Item (Name, NT.Success);
   exception
      when Error : others => Report.Report_Exception (Name, Error);
   end Subparser_Interface;

end Natools.S_Expressions.Parsers.Tests;








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         pragma Assert (Parser.Current_Event = Events.Open_List);
         Parser.Next_Event (Input'Access);
         pragma Assert (Parser.Current_Event = Events.Add_Atom
           and then Parser.Current_Atom = To_Atom ("command"));

         --  Use subparser as command arguments


         Test_Tools.Next_And_Check (Test, Sub, To_Atom ("arg1"), 2);
















         Test_Tools.Next_And_Check (Test, Sub, Events.Open_List, 3);



























         Test_Tools.Next_And_Check (Test, Sub, To_Atom ("subarg1"), 3);








         Test_Tools.Next_And_Check (Test, Sub, To_Atom ("subarg2"), 3);









         Sub.Finish;

         --  Check final state of parser

         if Parser.Current_Event /= Events.Close_List then

            Test.Fail ("Unexpected parser final state: "
              & Events.Event'Image (Parser.Current_Event));

         end if;

         if Parser.Current_Level /= 1 then

            Test.Fail ("Unexpected parser final level:"
              & Natural'Image (Parser.Current_Level));

         end if;

         Parser.Next_Event (Input'Access);

         if Parser.Current_Event /= Events.Add_Atom then

            Test.Fail ("Unexpected parser penultimate state: "
              & Events.Event'Image (Parser.Current_Event));

         end if;

         if Parser.Current_Atom /= To_Atom ("end") then
            Test.Fail;
            Test_Tools.Dump_Atom (Test, Parser.Current_Atom,
              "Parser last atom");
         end if;

         --  Check subparser error states

         if Sub.Current_Event /= Events.End_Of_Input then

            Test.Fail ("Unexpected subparser final state: "
              & Events.Event'Image (Parser.Current_Event));

         end if;

         if Sub.Current_Level /= 2 then

            Test.Fail ("Unexpected subparser final level:"
              & Natural'Image (Parser.Current_Level));

         end if;

         begin
            declare
               Buffer : constant Atom := Sub.Current_Atom;
            begin
               Test.Fail

                 ("No exception raised in Current_Atom on finished subparser");
               Test_Tools.Dump_Atom (Test, Buffer);
            end;
            return;
         exception
            when Constraint_Error => null;
            when Error : others =>
               Test.Report_Exception (Error);
               Test.Info ("in Current_Atom");
         end;

         declare
            Buffer : Atom (1 .. 100);
            Length : Count := 0;
         begin
            Sub.Read_Atom (Buffer, Length);
            Test.Fail

              ("No exception raised in Read_Atom on finished subparser");
            Test_Tools.Dump_Atom (Test, Buffer (1 .. Length));
            return;
         exception
            when Constraint_Error => null;
            when Error : others =>
               Test.Report_Exception (Error);
               Test.Info ("in Read_Atom");
               Test_Tools.Dump_Atom (Test, Buffer (1 .. Length), "Buffer");
               return;
         end;

         declare
            Called : Boolean := False;
            Output : Test_Tools.Memory_Stream;

            procedure Process (Data : in Atom);

            procedure Process (Data : in Atom) is
            begin
               Called := True;
               Output.Set_Data (Data);
            end Process;
         begin
            Sub.Query_Atom (Process'Access);
            Test.Fail

              ("No exception raised in Query_Atom on finished subparser");
            if Called then
               Test_Tools.Dump_Atom (Test, Output.Get_Data,
                 "Process called with");
            end if;

         exception
            when Constraint_Error => null;
            when Error : others =>
               Test.Report_Exception (Error);
               Test.Info ("in Query_Event");
               if Called then
                  Test_Tools.Dump_Atom (Test, Output.Get_Data,
                    "Process called with");
               end if;

         end;

         begin
            Sub.Next (Event);

            Test.Fail ("No exception raised in Next on finished subparser");
            Test.Info ("   returned event: " & Events.Event'Image (Event));

         exception
            when Constraint_Error => null;
            when Error : others =>
               Test.Report_Exception (Error);
               Test.Info ("in Next");
         end;

         --  Check that above subparser calls have not tampered with Parser

         if Parser.Current_Event /= Events.Add_Atom
           or else Parser.Current_Level /= 1
           or else Parser.Current_Atom /= To_Atom ("end")
         then

            Test.Fail ("Parser state changed after calling methods on "
              & "finished subparser");
            return;
         end if;
      end;


   exception
      when Error : others => Test.Report_Exception (Error);
   end Subparser_Interface;

end Natools.S_Expressions.Parsers.Tests;
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