/usr/lib/gcc-cross/sparc64-linux-gnu/6/adainclude/gnatvsn/lib-sort.adb is in libgnatvsn6-dev-sparc64-cross 6.3.0-18cross1.
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-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- L I B . S O R T --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2009, 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/>. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
with GNAT.Heap_Sort_G;
separate (Lib)
procedure Sort (Tbl : in out Unit_Ref_Table) is
T : array (0 .. Integer (Tbl'Last - Tbl'First + 1)) of Unit_Number_Type;
-- Actual sort is done on this copy of the array with 0's origin
-- subscripts. Location 0 is used as a temporary by the sorting algorithm.
-- Also the addressing of the table is more efficient with 0's origin,
-- even though we have to copy Tbl back and forth.
function Lt_Uname (C1, C2 : Natural) return Boolean;
-- Comparison routine for comparing Unames. Needed by the sorting routine
procedure Move_Uname (From : Natural; To : Natural);
-- Move routine needed by the sorting routine below
package Sorting is new GNAT.Heap_Sort_G (Move_Uname, Lt_Uname);
--------------
-- Lt_Uname --
--------------
function Lt_Uname (C1, C2 : Natural) return Boolean is
begin
-- Preprocessing data and definition files are not sorted, they are
-- at the bottom of the list. They are recognized because they are
-- the only ones without a Unit_Name.
if Units.Table (T (C1)).Unit_Name = No_Unit_Name then
return False;
elsif Units.Table (T (C2)).Unit_Name = No_Unit_Name then
return True;
else
return
Uname_Lt
(Units.Table (T (C1)).Unit_Name, Units.Table (T (C2)).Unit_Name);
end if;
end Lt_Uname;
----------------
-- Move_Uname --
----------------
procedure Move_Uname (From : Natural; To : Natural) is
begin
T (To) := T (From);
end Move_Uname;
-- Start of processing for Sort
begin
if T'Last > 0 then
for I in 1 .. T'Last loop
T (I) := Tbl (Int (I) - 1 + Tbl'First);
end loop;
Sorting.Sort (T'Last);
-- Sort is complete, copy result back into place
for I in 1 .. T'Last loop
Tbl (Int (I) - 1 + Tbl'First) := T (I);
end loop;
end if;
end Sort;
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