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authorTristan Gingold <tgingold@free.fr>2014-11-05 05:11:00 +0100
committerTristan Gingold <tgingold@free.fr>2014-11-05 05:11:00 +0100
commit3fddf1c59fd7a8fcd260bb9e05c611bef3dd141b (patch)
treecbfe6d75f8e09db8b98f335406fb6ecb2fce3e0c /src/grt/grt-disp_tree.adb
parent0a088b311ed2fcebc542f8a2e42d09e2e3c9311c (diff)
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+-- GHDL Run Time (GRT) - Tree displayer.
+-- Copyright (C) 2002 - 2014 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 GCC; see the file COPYING. If not, write to the Free
+-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+-- 02111-1307, USA.
+--
+-- As a special exception, if other files instantiate generics from this
+-- unit, or you link this unit with other files to produce an executable,
+-- this unit does not by itself cause the resulting executable to be
+-- covered by the GNU General Public License. This exception does not
+-- however invalidate any other reasons why the executable file might be
+-- covered by the GNU Public License.
+with System; use System;
+with Grt.Disp_Rti; use Grt.Disp_Rti;
+with Grt.Rtis; use Grt.Rtis;
+with Grt.Stdio; use Grt.Stdio;
+with Grt.Astdio; use Grt.Astdio;
+with Grt.Types; use Grt.Types;
+with Grt.Errors; use Grt.Errors;
+with Grt.Rtis_Addr; use Grt.Rtis_Addr;
+with Grt.Hooks; use Grt.Hooks;
+
+package body Grt.Disp_Tree is
+ -- Set by --disp-tree, to display the design hierarchy.
+ type Disp_Tree_Kind is
+ (
+ Disp_Tree_None, -- Do not disp tree.
+ Disp_Tree_Inst, -- Disp entities, arch, package, blocks, components.
+ Disp_Tree_Proc, -- As above plus processes
+ Disp_Tree_Port -- As above plus ports and signals.
+ );
+ Disp_Tree_Flag : Disp_Tree_Kind := Disp_Tree_None;
+
+
+ -- Get next interesting child.
+ procedure Get_Tree_Child (Parent : Ghdl_Rtin_Block_Acc;
+ Index : in out Ghdl_Index_Type;
+ Child : out Ghdl_Rti_Access)
+ is
+ begin
+ -- Exit if no more children.
+ while Index < Parent.Nbr_Child loop
+ Child := Parent.Children (Index);
+ Index := Index + 1;
+ case Child.Kind is
+ when Ghdl_Rtik_Package
+ | Ghdl_Rtik_Entity
+ | Ghdl_Rtik_Architecture
+ | Ghdl_Rtik_Block
+ | Ghdl_Rtik_For_Generate
+ | Ghdl_Rtik_If_Generate
+ | Ghdl_Rtik_Instance =>
+ return;
+ when Ghdl_Rtik_Signal
+ | Ghdl_Rtik_Port
+ | Ghdl_Rtik_Guard =>
+ if Disp_Tree_Flag >= Disp_Tree_Port then
+ return;
+ end if;
+ when Ghdl_Rtik_Process =>
+ if Disp_Tree_Flag >= Disp_Tree_Proc then
+ return;
+ end if;
+ when others =>
+ null;
+ end case;
+ end loop;
+ Child := null;
+ end Get_Tree_Child;
+
+ procedure Disp_Tree_Child (Rti : Ghdl_Rti_Access; Ctxt : Rti_Context)
+ is
+ begin
+ case Rti.Kind is
+ when Ghdl_Rtik_Entity
+ | Ghdl_Rtik_Process
+ | Ghdl_Rtik_Architecture
+ | Ghdl_Rtik_Block
+ | Ghdl_Rtik_If_Generate =>
+ declare
+ Blk : constant Ghdl_Rtin_Block_Acc :=
+ To_Ghdl_Rtin_Block_Acc (Rti);
+ begin
+ Disp_Name (Blk.Name);
+ end;
+ when Ghdl_Rtik_Package_Body
+ | Ghdl_Rtik_Package =>
+ declare
+ Blk : Ghdl_Rtin_Block_Acc;
+ Lib : Ghdl_Rtin_Type_Scalar_Acc;
+ begin
+ Blk := To_Ghdl_Rtin_Block_Acc (Rti);
+ if Rti.Kind = Ghdl_Rtik_Package_Body then
+ Blk := To_Ghdl_Rtin_Block_Acc (Blk.Parent);
+ end if;
+ Lib := To_Ghdl_Rtin_Type_Scalar_Acc (Blk.Parent);
+ Disp_Name (Lib.Name);
+ Put ('.');
+ Disp_Name (Blk.Name);
+ end;
+ when Ghdl_Rtik_For_Generate =>
+ declare
+ Blk : constant Ghdl_Rtin_Block_Acc :=
+ To_Ghdl_Rtin_Block_Acc (Rti);
+ Iter : Ghdl_Rtin_Object_Acc;
+ Addr : Address;
+ begin
+ Disp_Name (Blk.Name);
+ Iter := To_Ghdl_Rtin_Object_Acc (Blk.Children (0));
+ Addr := Loc_To_Addr (Iter.Common.Depth, Iter.Loc, Ctxt);
+ Put ('(');
+ Disp_Value (stdout, Iter.Obj_Type, Ctxt, Addr, False);
+ Put (')');
+ end;
+ when Ghdl_Rtik_Signal
+ | Ghdl_Rtik_Port
+ | Ghdl_Rtik_Guard
+ | Ghdl_Rtik_Iterator =>
+ Disp_Name (To_Ghdl_Rtin_Object_Acc (Rti).Name);
+ when Ghdl_Rtik_Instance =>
+ Disp_Name (To_Ghdl_Rtin_Instance_Acc (Rti).Name);
+ when others =>
+ null;
+ end case;
+
+ case Rti.Kind is
+ when Ghdl_Rtik_Package
+ | Ghdl_Rtik_Package_Body =>
+ Put (" [package]");
+ when Ghdl_Rtik_Entity =>
+ Put (" [entity]");
+ when Ghdl_Rtik_Architecture =>
+ Put (" [arch]");
+ when Ghdl_Rtik_Process =>
+ Put (" [process]");
+ when Ghdl_Rtik_Block =>
+ Put (" [block]");
+ when Ghdl_Rtik_For_Generate =>
+ Put (" [for-generate]");
+ when Ghdl_Rtik_If_Generate =>
+ Put (" [if-generate ");
+ if Ctxt.Base = Null_Address then
+ Put ("false]");
+ else
+ Put ("true]");
+ end if;
+ when Ghdl_Rtik_Signal =>
+ Put (" [signal]");
+ when Ghdl_Rtik_Port =>
+ Put (" [port ");
+ case Rti.Mode and Ghdl_Rti_Signal_Mode_Mask is
+ when Ghdl_Rti_Signal_Mode_In =>
+ Put ("in");
+ when Ghdl_Rti_Signal_Mode_Out =>
+ Put ("out");
+ when Ghdl_Rti_Signal_Mode_Inout =>
+ Put ("inout");
+ when Ghdl_Rti_Signal_Mode_Buffer =>
+ Put ("buffer");
+ when Ghdl_Rti_Signal_Mode_Linkage =>
+ Put ("linkage");
+ when others =>
+ Put ("?");
+ end case;
+ Put ("]");
+ when Ghdl_Rtik_Guard =>
+ Put (" [guard]");
+ when Ghdl_Rtik_Iterator =>
+ Put (" [iterator]");
+ when Ghdl_Rtik_Instance =>
+ Put (" [instance]");
+ when others =>
+ null;
+ end case;
+ end Disp_Tree_Child;
+
+ procedure Disp_Tree_Block
+ (Blk : Ghdl_Rtin_Block_Acc; Ctxt : Rti_Context; Pfx : String);
+
+ procedure Disp_Tree_Block1
+ (Blk : Ghdl_Rtin_Block_Acc; Ctxt : Rti_Context; Pfx : String)
+ is
+ Child : Ghdl_Rti_Access;
+ Child2 : Ghdl_Rti_Access;
+ Index : Ghdl_Index_Type;
+
+ procedure Disp_Header (Nctxt : Rti_Context;
+ Force_Cont : Boolean := False)
+ is
+ begin
+ Put (Pfx);
+
+ if Blk.Common.Kind /= Ghdl_Rtik_Entity
+ and Child2 = null
+ and Force_Cont = False
+ then
+ Put ("`-");
+ else
+ Put ("+-");
+ end if;
+
+ Disp_Tree_Child (Child, Nctxt);
+ New_Line;
+ end Disp_Header;
+
+ procedure Disp_Sub_Block
+ (Sub_Blk : Ghdl_Rtin_Block_Acc; Nctxt : Rti_Context)
+ is
+ Npfx : String (1 .. Pfx'Length + 2);
+ begin
+ Npfx (1 .. Pfx'Length) := Pfx;
+ Npfx (Pfx'Length + 2) := ' ';
+ if Child2 = null then
+ Npfx (Pfx'Length + 1) := ' ';
+ else
+ Npfx (Pfx'Length + 1) := '|';
+ end if;
+ Disp_Tree_Block (Sub_Blk, Nctxt, Npfx);
+ end Disp_Sub_Block;
+
+ begin
+ Index := 0;
+ Get_Tree_Child (Blk, Index, Child);
+ while Child /= null loop
+ Get_Tree_Child (Blk, Index, Child2);
+
+ case Child.Kind is
+ when Ghdl_Rtik_Process
+ | Ghdl_Rtik_Block =>
+ declare
+ Nblk : constant Ghdl_Rtin_Block_Acc :=
+ To_Ghdl_Rtin_Block_Acc (Child);
+ Nctxt : Rti_Context;
+ begin
+ Nctxt := (Base => Ctxt.Base + Nblk.Loc,
+ Block => Child);
+ Disp_Header (Nctxt, False);
+ Disp_Sub_Block (Nblk, Nctxt);
+ end;
+ when Ghdl_Rtik_For_Generate =>
+ declare
+ Nblk : constant Ghdl_Rtin_Block_Acc :=
+ To_Ghdl_Rtin_Block_Acc (Child);
+ Nctxt : Rti_Context;
+ Length : Ghdl_Index_Type;
+ Old_Child2 : Ghdl_Rti_Access;
+ begin
+ Nctxt := (Base => To_Addr_Acc (Ctxt.Base + Nblk.Loc).all,
+ Block => Child);
+ Length := Get_For_Generate_Length (Nblk, Ctxt);
+ Disp_Header (Nctxt, Length > 1);
+ Old_Child2 := Child2;
+ if Length > 1 then
+ Child2 := Child;
+ end if;
+ for I in 1 .. Length loop
+ Disp_Sub_Block (Nblk, Nctxt);
+ if I /= Length then
+ Nctxt.Base := Nctxt.Base + Nblk.Size;
+ if I = Length - 1 then
+ Child2 := Old_Child2;
+ end if;
+ Disp_Header (Nctxt);
+ end if;
+ end loop;
+ Child2 := Old_Child2;
+ end;
+ when Ghdl_Rtik_If_Generate =>
+ declare
+ Nblk : constant Ghdl_Rtin_Block_Acc :=
+ To_Ghdl_Rtin_Block_Acc (Child);
+ Nctxt : Rti_Context;
+ begin
+ Nctxt := (Base => To_Addr_Acc (Ctxt.Base + Nblk.Loc).all,
+ Block => Child);
+ Disp_Header (Nctxt);
+ if Nctxt.Base /= Null_Address then
+ Disp_Sub_Block (Nblk, Nctxt);
+ end if;
+ end;
+ when Ghdl_Rtik_Instance =>
+ declare
+ Inst : Ghdl_Rtin_Instance_Acc;
+ Sub_Ctxt : Rti_Context;
+ Sub_Blk : Ghdl_Rtin_Block_Acc;
+ Npfx : String (1 .. Pfx'Length + 4);
+ Comp : Ghdl_Rtin_Component_Acc;
+ Ch : Ghdl_Rti_Access;
+ begin
+ Disp_Header (Ctxt);
+ Inst := To_Ghdl_Rtin_Instance_Acc (Child);
+ Get_Instance_Context (Inst, Ctxt, Sub_Ctxt);
+ Sub_Blk := To_Ghdl_Rtin_Block_Acc (Sub_Ctxt.Block);
+ if Inst.Instance.Kind = Ghdl_Rtik_Component
+ and then Disp_Tree_Flag >= Disp_Tree_Port
+ then
+ -- Disp generics and ports of the component.
+ Comp := To_Ghdl_Rtin_Component_Acc (Inst.Instance);
+ for I in 1 .. Comp.Nbr_Child loop
+ Ch := Comp.Children (I - 1);
+ if Ch.Kind = Ghdl_Rtik_Port then
+ -- Disp only port (and not generics).
+ Put (Pfx);
+ if Child2 = null then
+ Put (" ");
+ else
+ Put ("| ");
+ end if;
+ if I = Comp.Nbr_Child and then Sub_Blk = null then
+ Put ("`-");
+ else
+ Put ("+-");
+ end if;
+ Disp_Tree_Child (Ch, Sub_Ctxt);
+ New_Line;
+ end if;
+ end loop;
+ end if;
+ if Sub_Blk /= null then
+ Npfx (1 .. Pfx'Length) := Pfx;
+ if Child2 = null then
+ Npfx (Pfx'Length + 1) := ' ';
+ else
+ Npfx (Pfx'Length + 1) := '|';
+ end if;
+ Npfx (Pfx'Length + 2) := ' ';
+ Npfx (Pfx'Length + 3) := '`';
+ Npfx (Pfx'Length + 4) := '-';
+ Put (Npfx);
+ Disp_Tree_Child (Sub_Blk.Parent, Sub_Ctxt);
+ New_Line;
+ Npfx (Pfx'Length + 3) := ' ';
+ Npfx (Pfx'Length + 4) := ' ';
+ Disp_Tree_Block (Sub_Blk, Sub_Ctxt, Npfx);
+ end if;
+ end;
+ when others =>
+ Disp_Header (Ctxt);
+ end case;
+
+ Child := Child2;
+ end loop;
+ end Disp_Tree_Block1;
+
+ procedure Disp_Tree_Block
+ (Blk : Ghdl_Rtin_Block_Acc; Ctxt : Rti_Context; Pfx : String)
+ is
+ begin
+ case Blk.Common.Kind is
+ when Ghdl_Rtik_Architecture =>
+ declare
+ Npfx : String (1 .. Pfx'Length + 2);
+ Nctxt : Rti_Context;
+ begin
+ -- The entity.
+ Nctxt := (Base => Ctxt.Base,
+ Block => Blk.Parent);
+ Disp_Tree_Block1
+ (To_Ghdl_Rtin_Block_Acc (Blk.Parent), Nctxt, Pfx);
+ -- Then the architecture.
+ Put (Pfx);
+ Put ("`-");
+ Disp_Tree_Child (To_Ghdl_Rti_Access (Blk), Ctxt);
+ New_Line;
+ Npfx (1 .. Pfx'Length) := Pfx;
+ Npfx (Pfx'Length + 1) := ' ';
+ Npfx (Pfx'Length + 2) := ' ';
+ Disp_Tree_Block1 (Blk, Ctxt, Npfx);
+ end;
+ when Ghdl_Rtik_Package_Body =>
+ Disp_Tree_Block1
+ (To_Ghdl_Rtin_Block_Acc (Blk.Parent), Ctxt, Pfx);
+ when others =>
+ Disp_Tree_Block1 (Blk, Ctxt, Pfx);
+ end case;
+ end Disp_Tree_Block;
+
+ procedure Disp_Hierarchy
+ is
+ Ctxt : Rti_Context;
+ Parent : Ghdl_Rtin_Block_Acc;
+ Child : Ghdl_Rti_Access;
+ begin
+ if Disp_Tree_Flag = Disp_Tree_None then
+ return;
+ end if;
+
+ Ctxt := Get_Top_Context;
+ Parent := To_Ghdl_Rtin_Block_Acc (Ctxt.Block);
+
+ Disp_Tree_Child (Parent.Parent, Ctxt);
+ New_Line;
+ Disp_Tree_Block (Parent, Ctxt, "");
+
+ for I in 1 .. Ghdl_Rti_Top.Nbr_Child loop
+ Child := Ghdl_Rti_Top.Children (I - 1);
+ Ctxt := (Base => Null_Address,
+ Block => Child);
+ Disp_Tree_Child (Child, Ctxt);
+ New_Line;
+ Disp_Tree_Block (To_Ghdl_Rtin_Block_Acc (Child), Ctxt, "");
+ end loop;
+ end Disp_Hierarchy;
+
+ function Disp_Tree_Option (Option : String) return Boolean
+ is
+ Opt : constant String (1 .. Option'Length) := Option;
+ begin
+ if Opt'Length >= 11 and then Opt (1 .. 11) = "--disp-tree" then
+ if Opt'Length = 11 then
+ Disp_Tree_Flag := Disp_Tree_Port;
+ elsif Opt (12 .. Opt'Last) = "=port" then
+ Disp_Tree_Flag := Disp_Tree_Port;
+ elsif Opt (12 .. Opt'Last) = "=proc" then
+ Disp_Tree_Flag := Disp_Tree_Proc;
+ elsif Opt (12 .. Opt'Last) = "=inst" then
+ Disp_Tree_Flag := Disp_Tree_Inst;
+ elsif Opt (12 .. Opt'Last) = "=none" then
+ Disp_Tree_Flag := Disp_Tree_None;
+ else
+ Error ("bad argument for --disp-tree option, try --help");
+ end if;
+ return True;
+ else
+ return False;
+ end if;
+ end Disp_Tree_Option;
+
+ procedure Disp_Tree_Help
+ is
+ procedure P (Str : String) renames Put_Line;
+ begin
+ P (" --disp-tree[=KIND] disp the design hierarchy after elaboration");
+ P (" KIND is inst, proc, port (default)");
+ end Disp_Tree_Help;
+
+ Disp_Tree_Hooks : aliased constant Hooks_Type :=
+ (Option => Disp_Tree_Option'Access,
+ Help => Disp_Tree_Help'Access,
+ Init => null,
+ Start => Disp_Hierarchy'Access,
+ Finish => null);
+
+ procedure Register is
+ begin
+ Register_Hooks (Disp_Tree_Hooks'Access);
+ end Register;
+
+end Grt.Disp_Tree;