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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [ada/] [acats/] [tests/] [ca/] [ca21001.a] - Rev 294

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-- CA21001.A
--
--                             Grant of Unlimited Rights
--
--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687 and
--     F08630-91-C-0015, the U.S. Government obtained unlimited rights in the
--     software and documentation contained herein.  Unlimited rights are
--     defined in DFAR 252.227-7013(a)(19).  By making this public release,
--     the Government intends to confer upon all recipients unlimited rights
--     equal to those held by the Government.  These rights include rights to
--     use, duplicate, release or disclose the released technical data and
--     computer software in whole or in part, in any manner and for any purpose
--     whatsoever, and to have or permit others to do so.
--
--                                    DISCLAIMER
--
--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
--     WARRANTY AS TO ANY MATTER WHATSOVER, INCLUDING THE CONDITIONS OF THE
--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
--     PARTICULAR PURPOSE OF SAID MATERIAL.
--*
--
-- OBJECTIVE
--     Check the requirements of the revised 10.2.1(11) from Technical
--     Corrigendum 1 (originally discussed as AI95-00002).
--     A package subunit whose parent is a preelaborated subprogram need
--     not be preelaborable.
--
-- TEST DESCRIPTION
--     We create several preelaborated library procedures with
--     non-preelaborable package body subunits.  We try various levels
--     of nesting of package and procedure subunits.
--
-- CHANGE HISTORY:
--      29 JUN 1999   RAD   Initial Version
--      23 SEP 1999   RLB   Improved comments, renamed, issued.
--
--!

procedure CA21001_1(X: out Integer);
    pragma Preelaborate(CA21001_1);

procedure CA21001_1(X: out Integer) is
    function F return Integer is separate;

    package Sub is
        function G(X: Integer) return Integer;
            -- Returns X + 1.
        Not_Preelaborable: Integer := F; -- OK, by AI-2.
    end Sub;

    package body Sub is separate;

begin
    X := -1;
    X := F;
    X := Sub.G(X);
end CA21001_1;

separate(CA21001_1)
package body Sub is
    package Sub_Sub is
        -- Empty.
    end Sub_Sub;
    package body Sub_Sub is separate;

    function G(X: Integer) return Integer is separate;
begin
    Not_Preelaborable := G(F); -- OK, by AI-2.
    if Not_Preelaborable /= 101 then
        raise Program_Error; -- Can't call Report.Failed, here,
            -- because Report is not preelaborated.
    end if;
end Sub;

separate(CA21001_1.Sub)
package body Sub_Sub is
begin
    X := X; -- OK by AI-2.
end Sub_Sub;

separate(CA21001_1.Sub)
function G(X: Integer) return Integer is

    package G_Sub is
        function H(X: Integer) return Integer;
            -- Returns X + 1.
        Not_Preelaborable: Integer := F; -- OK, by AI-2.
    end G_Sub;
    package body G_Sub is separate;

begin
    return G_Sub.H(X);
end G;

separate(CA21001_1.Sub.G)
package body G_Sub is
    function H(X: Integer) return Integer is separate;
begin
    Not_Preelaborable := H(F); -- OK, by AI-2.
    if Not_Preelaborable /= 101 then
        raise Program_Error; -- Can't call Report.Failed, here,
            -- because Report is not preelaborated.
    end if;
end G_Sub;

separate(CA21001_1.Sub.G.G_Sub)
function H(X: Integer) return Integer is
begin
    return X + 1;
end H;

separate(CA21001_1)
function F return Integer is

    package F_Sub is
        -- Empty.
    end F_Sub;

    package body F_Sub is separate;
begin
    return 100;
end F;

separate(CA21001_1.F)
package body F_Sub is
    True_Var: Boolean;
begin
    True_Var := True;
    if True_Var then -- OK by AI-2.
        X := X;
    else
        X := X + 2;
    end if;
end F_Sub;

with Report; use Report;
with CA21001_1;
procedure CA21001 is
    X: Integer := 0;
begin
    Test("CA21001",
         "Test that a package subunit whose parent is a preelaborated"
         & " subprogram need not be preelaborable");
    CA21001_1(X);
    if X /= 101 then
        Failed("Bad value for X");
    end if;
    Result;
end CA21001;

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