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-rw-r--r--gcc/ada/ChangeLog8
-rw-r--r--gcc/ada/einfo.ads1
-rw-r--r--gcc/ada/exp_aggr.adb4
-rw-r--r--gcc/ada/exp_ch6.adb8
-rw-r--r--gcc/ada/exp_ch9.ads4
-rw-r--r--gcc/ada/sem_aggr.adb35
-rw-r--r--gcc/ada/sem_type.adb2
7 files changed, 47 insertions, 15 deletions
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 21e3e26..2161e87 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,11 @@
+2008-08-20 Ed Schonberg <schonberg@adacore.com>
+
+ * sem_aggr.adb, sem_type.adb, exp_ch9.ads, einfo.ads,
+ exp_ch6.adb, exp_aggr.adb (Valid_Ancestor): Resolve
+ confusion between partial and full views of an ancestor of the context
+ type when the parent is a private extension declared in a parent unit,
+ and full views are available for the context type.
+
2008-08-18 Samuel Tardieu <sam@rfc1149.net>
Robert Dewar <dewar@adacore.com>
diff --git a/gcc/ada/einfo.ads b/gcc/ada/einfo.ads
index c7182db..a705874 100644
--- a/gcc/ada/einfo.ads
+++ b/gcc/ada/einfo.ads
@@ -5016,6 +5016,7 @@ package Einfo is
-- Generic_Renamings (Elist23) (for an instance)
-- Inner_Instances (Elist23) (generic function only)
-- Protection_Object (Node23) (for concurrent kind)
+ -- Spec_PPC_List (Node24)
-- Interface_Alias (Node25)
-- Overridden_Operation (Node26)
-- Wrapped_Entity (Node27) (non-generic case only)
diff --git a/gcc/ada/exp_aggr.adb b/gcc/ada/exp_aggr.adb
index bc3b954..8a59879 100644
--- a/gcc/ada/exp_aggr.adb
+++ b/gcc/ada/exp_aggr.adb
@@ -2547,9 +2547,13 @@ package body Exp_Aggr is
-- in the limited case, the ancestor part must be either a
-- function call (possibly qualified, or wrapped in an unchecked
-- conversion) or aggregate (definitely qualified).
+ -- The ancestor part can also be a function call (that may be
+ -- transformed into an explicit dereference) or a qualification
+ -- of one such.
elsif Is_Limited_Type (Etype (A))
and then Nkind (Unqualify (A)) /= N_Function_Call -- aggregate?
+ and then Nkind (Unqualify (A)) /= N_Explicit_Dereference
and then
(Nkind (Unqualify (A)) /= N_Unchecked_Type_Conversion
or else
diff --git a/gcc/ada/exp_ch6.adb b/gcc/ada/exp_ch6.adb
index 4c3f3da..faefb52 100644
--- a/gcc/ada/exp_ch6.adb
+++ b/gcc/ada/exp_ch6.adb
@@ -4394,6 +4394,14 @@ package body Exp_Ch6 is
Prot_Id : Entity_Id;
begin
+ -- If the subprogram is a function with an anonymous access
+ -- to protected subprogram, it must be expanded to create
+ -- its equivalent type.
+
+ -- if Ekind (Typ) = E_Anonymous_Access_Protected_Subprogram_Type then
+ -- Expand_Access_Protected_Subprogram_Type (N, Typ);
+ -- end if;
+
-- Deal with case of protected subprogram. Do not generate protected
-- operation if operation is flagged as eliminated.
diff --git a/gcc/ada/exp_ch9.ads b/gcc/ada/exp_ch9.ads
index 1cfa74d..3ec6112 100644
--- a/gcc/ada/exp_ch9.ads
+++ b/gcc/ada/exp_ch9.ads
@@ -203,7 +203,9 @@ package Exp_Ch9 is
-- routine to make sure Complete_Master is called on exit).
procedure Expand_Access_Protected_Subprogram_Type (N : Node_Id);
- -- Build Equivalent_Type for an Access_to_protected_Subprogram
+ -- Build Equivalent_Type for an Access_To_Protected_Subprogram.
+ -- Equivalent_Type is a record type with two components: a pointer
+ -- to the protected object, and a pointer to the operation itself.
procedure Expand_Accept_Declarations (N : Node_Id; Ent : Entity_Id);
-- Expand declarations required for accept statement. See bodies of
diff --git a/gcc/ada/sem_aggr.adb b/gcc/ada/sem_aggr.adb
index d16b7d6..13ab96c 100644
--- a/gcc/ada/sem_aggr.adb
+++ b/gcc/ada/sem_aggr.adb
@@ -2155,20 +2155,31 @@ package body Sem_Aggr is
begin
Imm_Type := Base_Type (Typ);
- while Is_Derived_Type (Imm_Type)
- and then Etype (Imm_Type) /= Base_Type (A_Type)
- loop
- Imm_Type := Etype (Base_Type (Imm_Type));
+ while Is_Derived_Type (Imm_Type) loop
+ if Etype (Imm_Type) = Base_Type (A_Type) then
+ return True;
+
+ -- The base type of the parent type may appear as a private
+ -- extension if it is declared as such in a parent unit of
+ -- the current one. For consistency of the subsequent analysis
+ -- use the partial view for the ancestor part.
+
+ elsif Is_Private_Type (Etype (Imm_Type))
+ and then Present (Full_View (Etype (Imm_Type)))
+ and then Base_Type (A_Type) = Full_View (Etype (Imm_Type))
+ then
+ A_Type := Etype (Imm_Type);
+ return True;
+
+ else
+ Imm_Type := Etype (Base_Type (Imm_Type));
+ end if;
end loop;
- if not Is_Derived_Type (Base_Type (Typ))
- or else Etype (Imm_Type) /= Base_Type (A_Type)
- then
- Error_Msg_NE ("expect ancestor type of &", A, Typ);
- return False;
- else
- return True;
- end if;
+ -- If previous loop did not find a proper ancestor, report error.
+
+ Error_Msg_NE ("expect ancestor type of &", A, Typ);
+ return False;
end Valid_Ancestor_Type;
-- Start of processing for Resolve_Extension_Aggregate
diff --git a/gcc/ada/sem_type.adb b/gcc/ada/sem_type.adb
index 3ca2e53..b8dca3b 100644
--- a/gcc/ada/sem_type.adb
+++ b/gcc/ada/sem_type.adb
@@ -884,8 +884,6 @@ package body Sem_Type is
then
return True;
- -- An aggregate is compatible with an array or record type
-
elsif T2 = Any_Composite
and then Ekind (T1) in E_Array_Type .. E_Record_Subtype
then