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--- GHDL Run Time (GRT) - Hooks.
--- 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.
-
-package body Grt.Hooks is
- type Hooks_Cell;
- type Hooks_Cell_Acc is access Hooks_Cell;
- type Hooks_Cell is record
- Hooks : Hooks_Acc;
- Next : Hooks_Cell_Acc;
- end record;
-
- First_Hooks : Hooks_Cell_Acc := null;
- Last_Hooks : Hooks_Cell_Acc := null;
-
- procedure Register_Hooks (Hooks : Hooks_Acc)
- is
- Cell : Hooks_Cell_Acc;
- begin
- Cell := new Hooks_Cell'(Hooks => Hooks,
- Next => null);
- if Last_Hooks = null then
- First_Hooks := Cell;
- else
- Last_Hooks.Next := Cell;
- end if;
- Last_Hooks := Cell;
- end Register_Hooks;
-
- type Hook_Cell;
- type Hook_Cell_Acc is access Hook_Cell;
- type Hook_Cell is record
- Hook : Proc_Hook_Type;
- Next : Hook_Cell_Acc;
- end record;
-
- -- Chain of cycle hooks.
- Cycle_Hook : Hook_Cell_Acc := null;
- Last_Cycle_Hook : Hook_Cell_Acc := null;
-
- procedure Register_Cycle_Hook (Proc : Proc_Hook_Type)
- is
- Cell : Hook_Cell_Acc;
- begin
- Cell := new Hook_Cell'(Hook => Proc,
- Next => null);
- if Cycle_Hook = null then
- Cycle_Hook := Cell;
- else
- Last_Cycle_Hook.Next := Cell;
- end if;
- Last_Cycle_Hook := Cell;
- end Register_Cycle_Hook;
-
- procedure Call_Cycle_Hooks
- is
- Cell : Hook_Cell_Acc;
- begin
- Cell := Cycle_Hook;
- while Cell /= null loop
- Cell.Hook.all;
- Cell := Cell.Next;
- end loop;
- end Call_Cycle_Hooks;
-
- function Call_Option_Hooks (Opt : String) return Boolean
- is
- Cell : Hooks_Cell_Acc;
- begin
- Cell := First_Hooks;
- while Cell /= null loop
- if Cell.Hooks.Option /= null
- and then Cell.Hooks.Option.all (Opt)
- then
- return True;
- end if;
- Cell := Cell.Next;
- end loop;
- return False;
- end Call_Option_Hooks;
-
- procedure Call_Help_Hooks
- is
- Cell : Hooks_Cell_Acc;
- begin
- Cell := First_Hooks;
- while Cell /= null loop
- if Cell.Hooks.Help /= null then
- Cell.Hooks.Help.all;
- end if;
- Cell := Cell.Next;
- end loop;
- end Call_Help_Hooks;
-
- procedure Call_Init_Hooks
- is
- Cell : Hooks_Cell_Acc;
- begin
- Cell := First_Hooks;
- while Cell /= null loop
- if Cell.Hooks.Init /= null then
- Cell.Hooks.Init.all;
- end if;
- Cell := Cell.Next;
- end loop;
- end Call_Init_Hooks;
-
- procedure Call_Start_Hooks
- is
- Cell : Hooks_Cell_Acc;
- begin
- Cell := First_Hooks;
- while Cell /= null loop
- if Cell.Hooks.Start /= null then
- Cell.Hooks.Start.all;
- end if;
- Cell := Cell.Next;
- end loop;
- end Call_Start_Hooks;
-
- procedure Call_Finish_Hooks
- is
- Cell : Hooks_Cell_Acc;
- begin
- Cell := First_Hooks;
- while Cell /= null loop
- if Cell.Hooks.Finish /= null then
- Cell.Hooks.Finish.all;
- end if;
- Cell := Cell.Next;
- end loop;
- end Call_Finish_Hooks;
-
- procedure Proc_Hook_Nil is
- begin
- null;
- end Proc_Hook_Nil;
-end Grt.Hooks;
-
-