2010-06-23 08:11:20 +02:00
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------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- S C I L _ L L --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 2010, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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with Alloc; use Alloc;
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with Atree; use Atree;
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with Opt; use Opt;
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with Sinfo; use Sinfo;
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with Table;
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package body SCIL_LL is
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2010-06-23 08:50:13 +02:00
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procedure Copy_SCIL_Node (Target : Node_Id; Source : Node_Id);
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-- Copy the SCIL field from Source to Target (it is used as the argument
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-- for a call to Set_Reporting_Proc in package atree).
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2010-06-23 08:11:20 +02:00
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function SCIL_Nodes_Table_Size return Pos;
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-- Used to initialize the table of SCIL nodes because we do not want
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-- to consume memory for this table if it is not required.
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----------------------------
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-- SCIL_Nodes_Table_Size --
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----------------------------
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function SCIL_Nodes_Table_Size return Pos is
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begin
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if Generate_SCIL then
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return Alloc.Orig_Nodes_Initial;
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else
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return 1;
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end if;
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end SCIL_Nodes_Table_Size;
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package SCIL_Nodes is new Table.Table (
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Table_Component_Type => Node_Id,
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Table_Index_Type => Node_Id'Base,
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Table_Low_Bound => First_Node_Id,
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Table_Initial => SCIL_Nodes_Table_Size,
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Table_Increment => Alloc.Orig_Nodes_Increment,
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Table_Name => "SCIL_Nodes");
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-- This table records the value of attribute SCIL_Node of all the
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-- tree nodes.
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2010-06-23 08:50:13 +02:00
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--------------------
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-- Copy_SCIL_Node --
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--------------------
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procedure Copy_SCIL_Node (Target : Node_Id; Source : Node_Id) is
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begin
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Set_SCIL_Node (Target, Get_SCIL_Node (Source));
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end Copy_SCIL_Node;
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2010-06-23 08:11:20 +02:00
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----------------
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-- Initialize --
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----------------
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procedure Initialize is
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begin
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SCIL_Nodes.Init;
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2010-06-23 08:50:13 +02:00
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Set_Reporting_Proc (Copy_SCIL_Node'Access);
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2010-06-23 08:11:20 +02:00
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end Initialize;
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-------------------
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-- Get_SCIL_Node --
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-------------------
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function Get_SCIL_Node (N : Node_Id) return Node_Id is
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begin
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if Generate_SCIL
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and then Present (N)
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then
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return SCIL_Nodes.Table (N);
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else
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return Empty;
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end if;
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end Get_SCIL_Node;
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-------------------
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-- Set_SCIL_Node --
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-------------------
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procedure Set_SCIL_Node (N : Node_Id; Value : Node_Id) is
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begin
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pragma Assert (Generate_SCIL);
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if Present (Value) then
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case Nkind (Value) is
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when N_SCIL_Dispatch_Table_Tag_Init =>
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pragma Assert (Nkind (N) = N_Object_Declaration);
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null;
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when N_SCIL_Dispatching_Call =>
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pragma Assert (Nkind_In (N, N_Function_Call,
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N_Procedure_Call_Statement));
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null;
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when N_SCIL_Membership_Test =>
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pragma Assert (Nkind_In (N, N_Identifier,
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N_And_Then,
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N_Or_Else,
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N_Expression_With_Actions));
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null;
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when others =>
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pragma Assert (False);
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raise Program_Error;
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end case;
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end if;
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if Atree.Last_Node_Id > SCIL_Nodes.Last then
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SCIL_Nodes.Set_Last (Atree.Last_Node_Id);
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end if;
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SCIL_Nodes.Set_Item (N, Value);
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end Set_SCIL_Node;
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end SCIL_LL;
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