92 lines
5.2 KiB
Ada
92 lines
5.2 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- S E M _ C H 9 --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1992-2020, 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. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING3. If not, go to --
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-- http://www.gnu.org/licenses for a complete copy of the license. --
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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 Table;
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with Types; use Types;
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package Sem_Ch9 is
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procedure Analyze_Abort_Statement (N : Node_Id);
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procedure Analyze_Accept_Alternative (N : Node_Id);
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procedure Analyze_Accept_Statement (N : Node_Id);
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procedure Analyze_Asynchronous_Select (N : Node_Id);
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procedure Analyze_Conditional_Entry_Call (N : Node_Id);
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procedure Analyze_Delay_Alternative (N : Node_Id);
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procedure Analyze_Delay_Relative (N : Node_Id);
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procedure Analyze_Delay_Until (N : Node_Id);
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procedure Analyze_Entry_Body (N : Node_Id);
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procedure Analyze_Entry_Body_Formal_Part (N : Node_Id);
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procedure Analyze_Entry_Call_Alternative (N : Node_Id);
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procedure Analyze_Entry_Declaration (N : Node_Id);
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procedure Analyze_Entry_Index_Specification (N : Node_Id);
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procedure Analyze_Protected_Body (N : Node_Id);
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procedure Analyze_Protected_Definition (N : Node_Id);
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procedure Analyze_Protected_Type_Declaration (N : Node_Id);
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procedure Analyze_Requeue (N : Node_Id);
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procedure Analyze_Selective_Accept (N : Node_Id);
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procedure Analyze_Single_Protected_Declaration (N : Node_Id);
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procedure Analyze_Single_Task_Declaration (N : Node_Id);
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procedure Analyze_Task_Body (N : Node_Id);
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procedure Analyze_Task_Definition (N : Node_Id);
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procedure Analyze_Task_Type_Declaration (N : Node_Id);
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procedure Analyze_Terminate_Alternative (N : Node_Id);
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procedure Analyze_Timed_Entry_Call (N : Node_Id);
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procedure Analyze_Triggering_Alternative (N : Node_Id);
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procedure Install_Declarations (Spec : Entity_Id);
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-- Make visible in corresponding body the entities defined in a task,
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-- protected type declaration, or entry declaration.
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------------------------------
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-- Lock Free Data Structure --
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------------------------------
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-- A lock-free subprogram is a protected routine which references a unique
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-- protected scalar component and does not contain statements that cause
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-- side effects. Due to this restricted behavior, all references to shared
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-- data from within the subprogram can be synchronized through the use of
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-- atomic operations rather than relying on locks.
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type Lock_Free_Subprogram is record
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Sub_Body : Node_Id;
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-- Reference to the body of a protected subprogram which meets the lock-
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-- free requirements.
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Comp_Id : Entity_Id;
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-- Reference to the scalar component referenced from within Sub_Body
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end record;
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-- This table establishes a relation between a protected subprogram body
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-- and a unique component it references. The table is used when building
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-- the lock-free versions of a protected subprogram body.
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package Lock_Free_Subprogram_Table is new Table.Table (
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Table_Component_Type => Lock_Free_Subprogram,
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Table_Index_Type => Nat,
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Table_Low_Bound => 1,
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Table_Initial => 5,
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Table_Increment => 5,
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Table_Name => "Lock_Free_Subprogram_Table");
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end Sem_Ch9;
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