src/dyn_maps.ads

--  PSL - Pretty print
--  Copyright (C) 2002-2016 Tristan Gingold
--
--  GHDL is free software; you can redistribute it and/or modify it under
--  the terms of the GNU General Public License as published by the Free
--  Software Foundation; either version 2, or (at your option) any later
--  version.
--
--  GHDL is distributed in the hope that it will be useful, but WITHOUT ANY
--  WARRANTY; without even the implied warranty of MERCHANTABILITY or
--  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
--  for more details.
--
--  You should have received a copy of the GNU General Public License
--  along with GHDL; see the file COPYING.  If not, write to the Free
--  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
--  02111-1307, USA.

with Types; use Types;
with PSL.Errors; use PSL.Errors;
with Name_Table; use Name_Table;
with Ada.Text_IO; use Ada.Text_IO;

package body PSL.Prints is
   function Get_Priority (N : Node) return Priority is
   begin
      case Get_Kind (N) is
         when N_Never | N_Always =>
            return Prio_FL_Invariance;
         when N_Eventually
           | N_Next
           | N_Next_A
           | N_Next_E
           | N_Next_Event
           | N_Next_Event_A
           | N_Next_Event_E =>
            return Prio_FL_Occurence;
         when N_Braced_SERE =>
            return Prio_SERE_Brace;
         when N_Concat_SERE =>
            return Prio_Seq_Concat;
         when N_Fusion_SERE =>
            return Prio_Seq_Fusion;
         when N_Within_SERE =>
            return Prio_Seq_Within;
         when N_Match_And_Seq
           | N_And_Seq =>
            return Prio_Seq_And;
         when N_Or_Seq =>
            return Prio_Seq_Or;
         when N_Until
           | N_Before =>
            return Prio_FL_Bounding;
         when N_Abort =>
            return Prio_FL_Abort;
         when N_Or_Prop =>
            return Prio_Seq_Or;
         when N_And_Prop =>
            return Prio_Seq_And;
         when N_Imp_Seq
           | N_Overlap_Imp_Seq
           | N_Log_Imp_Prop
           | N_Imp_Bool =>
            return Prio_Bool_Imp;
         when N_Name_Decl
           | N_Number
           | N_True
           | N_False
           | N_EOS
           | N_HDL_Expr =>
            return Prio_HDL;
         when N_Or_Bool =>
            return Prio_Seq_Or;
         when N_And_Bool =>
            return Prio_Seq_And;
         when N_Not_Bool =>
            return Prio_Bool_Not;
         when N_Star_Repeat_Seq
           | N_Goto_Repeat_Seq
           | N_Equal_Repeat_Seq
           | N_Plus_Repeat_Seq =>
            return Prio_SERE_Repeat;
         when N_Strong =>
            return Prio_Strong;
         when others =>
            Error_Kind ("get_priority", N);
      end case;
   end Get_Priority;

   procedure Print_HDL_Expr (N : HDL_Node) is
   begin
      Put (Image (Get_Identifier (Node (N))));
   end Print_HDL_Expr;

   procedure Dump_Expr (N : Node)
   is
   begin
      case Get_Kind (N) is
         when N_HDL_Expr =>
            if HDL_Expr_Printer = null then
               Put ("Expr");
            else
               HDL_Expr_Printer.all (Get_HDL_Node (N));
            end if;
         when N_True =>
            Put ("TRUE");
         when N_False =>
            Put ("FALSE");
         when N_Not_Bool =>
            Put ("!");
            Dump_Expr (Get_Boolean (N));
         when N_And_Bool =>
            Put ("(");
            Dump_Expr (Get_Left (N));
            Put (" && ");
            Dump_Expr (Get_Right (N));
            Put (")");
         when N_Or_Bool =>
            Put ("(");
            Dump_Expr (Get_Left (N));
            Put (" || ");
            Dump_Expr (Get_Right (N));
            Put (")");
         when others =>
            PSL.Errors.Error_Kind ("dump_expr", N);
      end case;
   end Dump_Expr;

   procedure Print_Expr (N : Node; Parent_Prio : Priority := Prio_Lowest)
   is
      Prio : Priority;
   begin
      if N = Null_Node then
         Put (".");
         return;
      end if;
      Prio := Get_Priority (N);
      if Prio < Parent_Prio then
         Put ("(");
      end if;
      case Get_Kind (N) is
         when N_Number =>
            declare
               Str : constant String := Uns32'Image (Get_Value (N));
            begin
               Put (Str (2 .. Str'Last));
            end;
         when N_Name_Decl =>
            Put (Image (Get_Identifier (N)));
         when N_HDL_Expr =>
            if HDL_Expr_Printer = null then
               Put ("HDL_Expr");
            else
               HDL_Expr_Printer.all (Get_HDL_Node (N));
            end if;
            --  FIXME: this is true only when using the scanner.
            --  Print_Expr (Node (Get_HDL_Node (N)));
         when N_True =>
            Put ("TRUE");
         when N_False =>
            Put ("FALSE");
         when N_EOS =>
            Put ("EOS");
         when N_Not_Bool =>
            Put ("!");
            Print_Expr (Get_Boolean (N), Prio);
         when N_And_Bool =>
            Print_Expr (Get_Left (N), Prio);
            Put (" && ");
            Print_Expr (Get_Right (N), Prio);
         when N_Or_Bool =>
            Print_Expr (Get_Left (N), Prio);
            Put (" || ");
            Print_Expr (Get_Right (N), Prio);
         when N_Imp_Bool =>
            Print_Expr (Get_Left (N), Prio);
            Put (" -> ");
            Print_Expr (Get_Right (N), Prio);
         when others =>
            Error_Kind ("print_expr", N);
      end case;
      if Prio < Parent_Prio then
         Put (")");
      end if;
   end Print_Expr;

   procedure Print_Sequence (Seq : Node; Parent_Prio : Priority);

   procedure Print_Count (N : Node) is
      B : Node;
   begin
      B := Get_Low_Bound (N);
      if B = Null_Node then
         return;
      end if;
      Print_Expr (B);
      B := Get_High_Bound (N);
      if B = Null_Node then
         return;
      end if;
      Put (":");
      Print_Expr (B);
   end Print_Count;

   procedure Print_Binary_Sequence (Name : String; N : Node; Prio : Priority)
   is
   begin
      Print_Sequence (Get_Left (N), Prio);
      Put (Name);
      Print_Sequence (Get_Right (N), Prio);
   end Print_Binary_Sequence;

   procedure Print_Repeat_Sequence (Name : String; N : Node) is
      S : Node;
   begin
      S := Get_Sequence (N);
      if S /= Null_Node then
         Print_Sequence (S, Prio_SERE_Repeat);
      end if;
      Put (Name);
      Print_Count (N);
      Put ("]");
   end Print_Repeat_Sequence;

   procedure Print_Sequence (Seq : Node; Parent_Prio : Priority)
   is
      Prio : constant Priority := Get_Priority (Seq);
      Add_Paren : constant Boolean := Prio < Parent_Prio
        or else Parent_Prio <= Prio_FL_Paren;
   begin
      if Add_Paren then
         Put ("{");
      end if;
      case Get_Kind (Seq) is
         when N_Braced_SERE =>
            Put ("{");
            Print_Sequence (Get_SERE (Seq), Prio_Lowest);
            Put ("}");
         when N_Concat_SERE =>
            Print_Binary_Sequence (";", Seq, Prio);
         when N_Fusion_SERE =>
            Print_Binary_Sequence (":", Seq, Prio);
         when N_Within_SERE =>
            Print_Binary_Sequence (" within ", Seq, Prio);
         when N_Match_And_Seq =>
            Print_Binary_Sequence (" && ", Seq, Prio);
         when N_Or_Seq =>
            Print_Binary_Sequence (" | ", Seq, Prio);
         when N_And_Seq =>
            Print_Binary_Sequence (" & ", Seq, Prio);
         when N_Star_Repeat_Seq =>
            Print_Repeat_Sequence ("[*", Seq);
         when N_Goto_Repeat_Seq =>
            Print_Repeat_Sequence ("[->", Seq);
         when N_Equal_Repeat_Seq =>
            Print_Repeat_Sequence ("[=", Seq);
         when N_Plus_Repeat_Seq =>
            Print_Sequence (Get_Sequence (Seq), Prio);
            Put ("[+]");
         when N_Booleans
           | N_Name_Decl =>
            Print_Expr (Seq);
         when others =>
            Error_Kind ("print_sequence", Seq);
      end case;
      if Add_Paren then
         Put ("}");
      end if;
   end Print_Sequence;

   procedure Print_Binary_Property (Name : String; N : Node; Prio : Priority)
   is
   begin
      Print_Property (Get_Left (N), Prio);
      Put (Name);
      Print_Property (Get_Right (N), Prio);
   end Print_Binary_Property;

   procedure Print_Binary_Property_SI (Name : String;
                                       N : Node; Prio : Priority)
   is
   begin
      Print_Property (Get_Left (N), Prio);
      Put (Name);
      if Get_Strong_Flag (N) then
         Put ('!');
      end if;
      if Get_Inclusive_Flag (N) then
         Put ('_');
      end if;
      Put (' ');
      Print_Property (Get_Right (N), Prio);
   end Print_Binary_Property_SI;

   procedure Print_Range_Property (Name : String; N : Node) is