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-- PSL - Disp nodes
-- 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 Ada.Text_IO; use Ada.Text_IO;
with Types; use Types;
with Name_Table;
with PSL.Types; use PSL.Types;
with PSL.Errors;
with PSL.Nodes_Meta;
package body PSL.Dump_Tree is
procedure Put_Indent (Indent : Natural) is
begin
Put (String'(1 .. 2 * Indent => ' '));
end Put_Indent;
Hex_Digits : constant array (Integer range 0 .. 15) of Character
:= "0123456789abcdef";
procedure Disp_Uns32 (Val : Uns32)
is
Res : String (1 .. 8);
V : Uns32 := Val;
begin
for I in reverse Res'Range loop
Res (I) := Hex_Digits (Integer (V mod 16));
V := V / 16;
end loop;
Put (Res);
end Disp_Uns32;
procedure Disp_Int32 (Val : Int32)
is
Res : String (1 .. 8);
V : Int32 := Val;
begin
for I in reverse Res'Range loop
Res (I) := Hex_Digits (Integer (V mod 16));
V := V / 16;
end loop;
Put (Res);
end Disp_Int32;
function Image_Boolean (Bool : Boolean) return String is
begin
if Bool then
return "true";
else
return "false";
end if;
end Image_Boolean;
procedure Disp_HDL_Node
(Val : HDL_Node; Indent : Natural; Depth : Natural) is
begin
if Dump_Hdl_Node /= null then
Dump_Hdl_Node.all (Val, Indent, Depth);
else
Disp_Int32 (Val);
New_Line;
end if;
end Disp_HDL_Node;
procedure Disp_Node_Number (N : Node) is
begin
Put ('[');
Disp_Int32 (Int32 (N));
Put (']');
end Disp_Node_Number;
procedure Disp_NFA (Val : NFA) is
begin
Disp_Int32 (Int32 (Val));
end Disp_NFA;
procedure Disp_Header (Msg : String; Indent : Natural) is
begin
Put_Indent (Indent);
Put (Msg);
Put (": ");
end Disp_Header;
function Image_PSL_Presence_Kind (Pres : PSL_Presence_Kind) return String
is
begin
case Pres is
when Present_Pos =>
return "+";
when Present_Neg =>
return "-";
when Present_Unknown =>
return "?";
end case;
end Image_PSL_Presence_Kind;
procedure Disp_Location (Loc : Location_Type) is
begin
Put (PSL.Errors.Image (Loc));
end Disp_Location;
-- procedure Disp_String_Id (N : Node) is
-- begin
-- Put ('"');
-- Put (Str_Table.Image (Get_String_Id (N)));
-- Put ('"');
-- New_Line;
-- end Disp_String_Id;
procedure Disp_Header (N : Node)
is
use Nodes_Meta;
K : Nkind;
begin
if N = Null_Node then
Put_Line ("*null*");
return;
end if;
K := Get_Kind (N);
Put (Get_Nkind_Image (K));
if Has_Identifier (K) then
Put (' ');
Put (Name_Table.Image (Get_Identifier (N)));
end if;
Put (' ');
Disp_Node_Number (N);
New_Line;
end Disp_Header;
procedure Disp_Chain (Tree_Chain: Node; Indent: Natural; Depth : Natural)
is
El: Node;
begin
New_Line;
El := Tree_Chain;
while El /= Null_Node loop
Put_Indent (Indent);
Disp_Tree (El, Indent + 1, Depth);
El := Get_Chain (El);
end loop;
end Disp_Chain;
procedure Disp_Tree (N : Node; Indent : Natural; Depth : Natural) is
begin
Disp_Header (N);
if Depth <= 1 or else N = Null_Node then
return;
end if;
Disp_Header ("location", Indent);
Disp_Location (Get_Location (N));
New_Line;
declare
use Nodes_Meta;
Sub_Indent : constant Natural := Indent + 1;
Fields : constant Fields_Array := Get_Fields (Get_Kind (N));
F : Fields_Enum;
begin
for I in Fields'Range loop
F := Fields (I);
Disp_Header (Get_Field_Image (F), Indent);
case Get_Field_Type (F) is
when Type_Node =>
case Get_Field_Attribute (F) is
when Attr_None =>
Disp_Tree (Get_Node (N, F), Sub_Indent, Depth - 1);
when Attr_Ref =>
Disp_Tree (Get_Node (N, F), Sub_Indent, 0);
when Attr_Chain =>
Disp_Chain (Get_Node (N, F), Sub_Indent, Depth - 1);
when Attr_Chain_Next =>
Disp_Node_Number (Get_Node (N, F));
New_Line;
when Attr_Maybe_Ref | Attr_Of_Ref =>
raise Internal_Error;
end case;
when Type_Boolean =>
Put_Line (Image_Boolean (Get_Boolean (N, F)));
when Type_Int32 =>
Disp_Int32 (Get_Int32 (N, F));
New_Line;
when Type_Uns32 =>
Disp_Uns32 (Get_Uns32 (N, F));
New_Line;
when Type_Name_Id =>
Put_Line (Name_Table.Image (Get_Name_Id (N, F)));
when Type_HDL_Node =>
Disp_HDL_Node (Get_HDL_Node (N, F), Sub_Indent, Depth - 1);
when Type_NFA =>
Disp_NFA (Get_NFA (N, F));
New_Line;
when Type_PSL_Presence_Kind =>
Put (Image_PSL_Presence_Kind (Get_PSL_Presence_Kind (N, F)));
New_Line;
end case;
end loop;
end;
end Disp_Tree;
end PSL.Dump_Tree;
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