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Diffstat (limited to 'gcc/ada/a-conhel.adb')
-rw-r--r-- | gcc/ada/a-conhel.adb | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/gcc/ada/a-conhel.adb b/gcc/ada/a-conhel.adb deleted file mode 100644 index 864b217367e..00000000000 --- a/gcc/ada/a-conhel.adb +++ /dev/null @@ -1,186 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT LIBRARY COMPONENTS -- --- -- --- A D A . C O N T A I N E R S . H E L P E R S -- --- -- --- B o d y -- --- -- --- Copyright (C) 2015-2016, Free Software Foundation, Inc. -- --- -- --- GNAT is free software; you can redistribute it and/or modify it under -- --- terms of the GNU General Public License as published by the Free Soft- -- --- ware Foundation; either version 3, or (at your option) any later ver- -- --- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- --- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- --- or FITNESS FOR A PARTICULAR PURPOSE. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- ------------------------------------------------------------------------------- - -package body Ada.Containers.Helpers is - - package body Generic_Implementation is - - use type SAC.Atomic_Unsigned; - - ------------ - -- Adjust -- - ------------ - - procedure Adjust (Control : in out Reference_Control_Type) is - begin - if Control.T_Counts /= null then - Lock (Control.T_Counts.all); - end if; - end Adjust; - - ---------- - -- Busy -- - ---------- - - procedure Busy (T_Counts : in out Tamper_Counts) is - begin - if T_Check then - SAC.Increment (T_Counts.Busy); - end if; - end Busy; - - -------------- - -- Finalize -- - -------------- - - procedure Finalize (Control : in out Reference_Control_Type) is - begin - if Control.T_Counts /= null then - Unlock (Control.T_Counts.all); - Control.T_Counts := null; - end if; - end Finalize; - - -- No need to protect against double Finalize here, because these types - -- are limited. - - procedure Finalize (Busy : in out With_Busy) is - pragma Warnings (Off); - pragma Assert (T_Check); -- not called if check suppressed - pragma Warnings (On); - begin - Unbusy (Busy.T_Counts.all); - end Finalize; - - procedure Finalize (Lock : in out With_Lock) is - pragma Warnings (Off); - pragma Assert (T_Check); -- not called if check suppressed - pragma Warnings (On); - begin - Unlock (Lock.T_Counts.all); - end Finalize; - - ---------------- - -- Initialize -- - ---------------- - - procedure Initialize (Busy : in out With_Busy) is - pragma Warnings (Off); - pragma Assert (T_Check); -- not called if check suppressed - pragma Warnings (On); - begin - Generic_Implementation.Busy (Busy.T_Counts.all); - end Initialize; - - procedure Initialize (Lock : in out With_Lock) is - pragma Warnings (Off); - pragma Assert (T_Check); -- not called if check suppressed - pragma Warnings (On); - begin - Generic_Implementation.Lock (Lock.T_Counts.all); - end Initialize; - - ---------- - -- Lock -- - ---------- - - procedure Lock (T_Counts : in out Tamper_Counts) is - begin - if T_Check then - SAC.Increment (T_Counts.Lock); - SAC.Increment (T_Counts.Busy); - end if; - end Lock; - - -------------- - -- TC_Check -- - -------------- - - procedure TC_Check (T_Counts : Tamper_Counts) is - begin - if T_Check and then T_Counts.Busy > 0 then - raise Program_Error with - "attempt to tamper with cursors"; - end if; - - -- The lock status (which monitors "element tampering") always - -- implies that the busy status (which monitors "cursor tampering") - -- is set too; this is a representation invariant. Thus if the busy - -- bit is not set, then the lock bit must not be set either. - - pragma Assert (T_Counts.Lock = 0); - end TC_Check; - - -------------- - -- TE_Check -- - -------------- - - procedure TE_Check (T_Counts : Tamper_Counts) is - begin - if T_Check and then T_Counts.Lock > 0 then - raise Program_Error with - "attempt to tamper with elements"; - end if; - end TE_Check; - - ------------ - -- Unbusy -- - ------------ - - procedure Unbusy (T_Counts : in out Tamper_Counts) is - begin - if T_Check then - SAC.Decrement (T_Counts.Busy); - end if; - end Unbusy; - - ------------ - -- Unlock -- - ------------ - - procedure Unlock (T_Counts : in out Tamper_Counts) is - begin - if T_Check then - SAC.Decrement (T_Counts.Lock); - SAC.Decrement (T_Counts.Busy); - end if; - end Unlock; - - ----------------- - -- Zero_Counts -- - ----------------- - - procedure Zero_Counts (T_Counts : out Tamper_Counts) is - begin - if T_Check then - T_Counts := (others => <>); - end if; - end Zero_Counts; - - end Generic_Implementation; - -end Ada.Containers.Helpers; |