-- the signature of the implicit type works like the profile of a regular
-- subprogram.
+ procedure Add_Internal_Interface_Entities (Tagged_Type : Entity_Id);
+ -- Add to the list of primitives of Tagged_Type the internal entities
+ -- associated with covered interface primitives. These entities link the
+ -- interface primitives with the tagged type primitives that cover them.
+
procedure Analyze_Declarations (L : List_Id);
-- Called to analyze a list of declarations (in what context ???). Also
-- performs necessary freezing actions (more description needed ???)
procedure Access_Type_Declaration (T : Entity_Id; Def : Node_Id);
-- Process an access type declaration
+ procedure Build_Itype_Reference
+ (Ityp : Entity_Id;
+ Nod : Node_Id);
+ -- Create a reference to an internal type, for use by Gigi. The back-end
+ -- elaborates itypes on demand, i.e. when their first use is seen. This
+ -- can lead to scope anomalies if the first use is within a scope that is
+ -- nested within the scope that contains the point of definition of the
+ -- itype. The Itype_Reference node forces the elaboration of the itype
+ -- in the proper scope. The node is inserted after Nod, which is the
+ -- enclosing declaration that generated Ityp.
+ --
+ -- A related mechanism is used during expansion, for itypes created in
+ -- branches of conditionals. See Ensure_Defined in exp_util.
+ -- Could both mechanisms be merged ???
+
procedure Check_Abstract_Overriding (T : Entity_Id);
- -- Check that all abstract subprograms inherited from T's parent type
- -- have been overridden as required, and that nonabstract subprograms
- -- have not been incorrectly overridden with an abstract subprogram.
+ -- Check that all abstract subprograms inherited from T's parent type have
+ -- been overridden as required, and that nonabstract subprograms have not
+ -- been incorrectly overridden with an abstract subprogram.
procedure Check_Aliased_Component_Types (T : Entity_Id);
-- Given an array type or record type T, check that if the type is
- -- nonlimited, then the nominal subtype of any components of T
- -- that have discriminants must be constrained.
+ -- nonlimited, then the nominal subtype of any components of T that
+ -- have discriminants must be constrained.
procedure Check_Completion (Body_Id : Node_Id := Empty);
- -- At the end of a declarative part, verify that all entities that
- -- require completion have received one. If Body_Id is absent, the
- -- error indicating a missing completion is placed on the declaration
- -- that needs completion. If Body_Id is present, it is the defining
- -- identifier of a package body, and errors are posted on that node,
- -- rather than on the declarations that require completion in the package
- -- declaration.
+ -- At the end of a declarative part, verify that all entities that require
+ -- completion have received one. If Body_Id is absent, the error indicating
+ -- a missing completion is placed on the declaration that needs completion.
+ -- If Body_Id is present, it is the defining identifier of a package body,
+ -- and errors are posted on that node, rather than on the declarations that
+ -- require completion in the package declaration.
procedure Derive_Subprogram
(New_Subp : in out Entity_Id;
-- the derived subprograms are aliased to those of the actual, not those of
-- the ancestor.
--
- -- Note: one might expect this to be private to the package body, but
- -- there is one rather unusual usage in package Exp_Dist.
+ -- Note: one might expect this to be private to the package body, but there
+ -- is one rather unusual usage in package Exp_Dist.
function Find_Hidden_Interface
(Src : Elist_Id;
Typ_For_Constraint : Entity_Id;
Constraint : Elist_Id) return Node_Id;
-- ??? MORE DOCUMENTATION
- -- Given a discriminant somewhere in the Typ_For_Constraint tree
- -- and a Constraint, return the value of that discriminant.
+ -- Given a discriminant somewhere in the Typ_For_Constraint tree and a
+ -- Constraint, return the value of that discriminant.
function Is_Null_Extension (T : Entity_Id) return Boolean;
-- Returns True if the tagged type T has an N_Full_Type_Declaration that
-- of the dependant private subtypes. The second action is to recopy the
-- primitive operations of the private view (in the tagged case).
-- N is the N_Full_Type_Declaration node.
-
+ --
-- Full_T is the full view of the type whose full declaration is in N.
--
-- Priv_T is the private view of the type whose full declaration is in N.
Check_List : List_Id := Empty_List;
R_Check_Off : Boolean := False);
-- Process a range expression that appears in a declaration context. The
- -- range is analyzed and resolved with the base type of the given type,
- -- and an appropriate check for expressions in non-static contexts made
- -- on the bounds. R is analyzed and resolved using T, so the caller should
- -- if necessary link R into the tree before the call, and in particular in
- -- the case of a subtype declaration, it is appropriate to set the parent
- -- pointer of R so that the types get properly frozen. The Check_List
- -- parameter is used when the subprogram is called from
- -- Build_Record_Init_Proc and is used to return a set of constraint
- -- checking statements generated by the Checks package. R_Check_Off is set
- -- to True when the call to Range_Check is to be skipped.
+ -- range is analyzed and resolved with the base type of the given type, and
+ -- an appropriate check for expressions in non-static contexts made on the
+ -- bounds. R is analyzed and resolved using T, so the caller should if
+ -- necessary link R into the tree before the call, and in particular in the
+ -- case of a subtype declaration, it is appropriate to set the parent
+ -- pointer of R so that the types get properly frozen. Check_List is used
+ -- when the subprogram is called from Build_Record_Init_Proc and is used to
+ -- return a set of constraint checking statements generated by the Checks
+ -- package. R_Check_Off is set to True when the call to Range_Check is to
+ -- be skipped.
function Process_Subtype
(S : Node_Id;
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