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2014-05-21 Yannick Moy <moy@adacore.com>

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* lib-xref-spark_specific.adb, lib-xref.ads, lib-xref.adb
	(Enclosing_Subprogram_Or_Package): Only return a library-level
	package.

From-SVN: r210700
This commit is contained in:
Yannick Moy 2014-05-21 12:56:05 +00:00 • committed by Arnaud Charlet
parent a8a89b743d
commit 63b5225b44
4 changed files with 45 additions and 18 deletions
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6
gcc/ada/ChangeLog
View file

@ -1,3 +1,9 @@
2014-05-21 Yannick Moy <moy@adacore.com>
* lib-xref-spark_specific.adb, lib-xref.ads, lib-xref.adb
(Enclosing_Subprogram_Or_Package): Only return a library-level
package.
2014-05-21 Javier Miranda <miranda@adacore.com>
* sem_ch3.adb (Build_Derived_Record_Type): Initialize Parent_Base

39
gcc/ada/lib-xref-spark_specific.adb
View file

@ -6,7 +6,7 @@
-- --
-- B o d y --
-- --
-- Copyright (C) 2011-2013, Free Software Foundation, Inc. --
-- Copyright (C) 2011-2014, 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- --
@ -23,10 +23,9 @@
-- --
------------------------------------------------------------------------------
with SPARK_Xrefs; use SPARK_Xrefs;
with Einfo; use Einfo;
with Nmake; use Nmake;
with Put_SPARK_Xrefs;
with SPARK_Xrefs; use SPARK_Xrefs;
with Einfo; use Einfo;
with Nmake; use Nmake;
with GNAT.HTable;
@ -972,7 +971,9 @@ package body SPARK_Specific is
-- Enclosing_Subprogram_Or_Package --
-------------------------------------
function Enclosing_Subprogram_Or_Package (N : Node_Id) return Entity_Id is
function Enclosing_Subprogram_Or_Library_Package
(N : Node_Id) return Entity_Id
is
Result : Entity_Id;
begin
@ -990,12 +991,26 @@ package body SPARK_Specific is
while Present (Result) loop
case Nkind (Result) is
when N_Package_Specification =>
Result := Defining_Unit_Name (Result);
exit;
-- Only return a library-level package
if Is_Library_Level_Entity (Defining_Entity (Result)) then
Result := Defining_Entity (Result);
exit;
else
Result := Parent (Result);
end if;
when N_Package_Body =>
Result := Defining_Unit_Name (Result);
exit;
-- Only return a library-level package
if Is_Library_Level_Entity (Defining_Entity (Result)) then
Result := Defining_Entity (Result);
exit;
else
Result := Parent (Result);
end if;
when N_Subprogram_Specification =>
Result := Defining_Unit_Name (Result);
@ -1045,7 +1060,7 @@ package body SPARK_Specific is
end if;
return Result;
end Enclosing_Subprogram_Or_Package;
end Enclosing_Subprogram_Or_Library_Package;
-----------------
-- Entity_Hash --
@ -1107,7 +1122,7 @@ package body SPARK_Specific is
Create_Heap;
end if;
Ref_Scope := Enclosing_Subprogram_Or_Package (N);
Ref_Scope := Enclosing_Subprogram_Or_Library_Package (N);
Deref.Ent := Heap;
Deref.Loc := Loc;

8
gcc/ada/lib-xref.adb
View file

@ -6,7 +6,7 @@
-- --
-- B o d y --
-- --
-- Copyright (C) 1998-2013, Free Software Foundation, Inc. --
-- Copyright (C) 1998-2014, 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- --
@ -1029,8 +1029,10 @@ package body Lib.Xref is
Ref := Sloc (Nod);
Def := Sloc (Ent);
Ref_Scope := SPARK_Specific.Enclosing_Subprogram_Or_Package (Nod);
Ent_Scope := SPARK_Specific.Enclosing_Subprogram_Or_Package (Ent);
Ref_Scope :=
SPARK_Specific.Enclosing_Subprogram_Or_Library_Package (Nod);
Ent_Scope :=
SPARK_Specific.Enclosing_Subprogram_Or_Library_Package (Ent);
-- Since we are reaching through renamings in SPARK mode, we may
-- end up with standard constants. Ignore those.

10
gcc/ada/lib-xref.ads
View file

@ -6,7 +6,7 @@
-- --
-- S p e c --
-- --
-- Copyright (C) 1998-2013, Free Software Foundation, Inc. --
-- Copyright (C) 1998-2014, 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- --
@ -624,8 +624,12 @@ package Lib.Xref is
package SPARK_Specific is
function Enclosing_Subprogram_Or_Package (N : Node_Id) return Entity_Id;
-- Return the closest enclosing subprogram of package
function Enclosing_Subprogram_Or_Library_Package
(N : Node_Id) return Entity_Id;
-- Return the closest enclosing subprogram of package. Only return a
-- library level package. If the package is enclosed in a subprogram,
-- return the subprogram. This ensures that GNATprove can distinguish
-- local variables from global variables.
procedure Generate_Dereference
(N : Node_Id;