-- --
-- S p e c --
-- --
--- Copyright (C) 1992-2008, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2011, 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- --
procedure Analyze_Function_Instantiation (N : Node_Id);
procedure Analyze_Formal_Object_Declaration (N : Node_Id);
procedure Analyze_Formal_Type_Declaration (N : Node_Id);
- procedure Analyze_Formal_Subprogram (N : Node_Id);
- procedure Analyze_Formal_Package (N : Node_Id);
+ procedure Analyze_Formal_Subprogram_Declaration (N : Node_Id);
+ procedure Analyze_Formal_Package_Declaration (N : Node_Id);
procedure Start_Generic;
-- Must be invoked before starting to process a generic spec or body
procedure Check_Generic_Child_Unit
(Gen_Id : Node_Id;
Parent_Installed : in out Boolean);
- -- If the name of the generic unit in an instantiation or a renaming
- -- is a selected component, then the prefix may be an instance and the
- -- selector may designate a child unit. Retrieve the parent generic
- -- and search for the child unit that must be declared within. Similarly,
- -- if this is the name of a generic child unit within an instantiation of
- -- its own parent, retrieve the parent generic.
+ -- If the name of the generic unit in an instantiation or a renaming is a
+ -- selected component, then the prefix may be an instance and the selector
+ -- may designate a child unit. Retrieve the parent generic and search for
+ -- the child unit that must be declared within. Similarly, if this is the
+ -- name of a generic child unit within an instantiation of its own parent,
+ -- retrieve the parent generic. If the parent is installed as a result of
+ -- this call, then Parent_Installed is set True, otherwise Parent_Installed
+ -- is unchanged by the call.
function Copy_Generic_Node
(N : Node_Id;
-- repeatedly: once to produce a copy on which semantic analysis of
-- the generic is performed, and once for each instantiation. The tree
-- being copied is not semantically analyzed, except that references to
- -- global entities are marked on terminal nodes.
+ -- global entities are marked on terminal nodes. Note that this function
+ -- copies any aspect specifications from the input node N to the returned
+ -- node, as well as the setting of the Has_Aspects flag.
function Get_Instance_Of (A : Entity_Id) return Entity_Id;
-- Retrieve actual associated with given generic parameter.
-- function and procedure instances. The flag Body_Optional has the
-- same purpose as described for Instantiate_Package_Body.
+ function Need_Subprogram_Instance_Body
+ (N : Node_Id;
+ Subp : Entity_Id) return Boolean;
+
+ -- If a subprogram instance is inlined, indicate that the body of it
+ -- must be created, to be used in inlined calls by the back-end. The
+ -- subprogram may be inlined because the generic itself carries the
+ -- pragma, or because a pragma appears for the instance in the scope.
+ -- of the instance.
+
procedure Save_Global_References (N : Node_Id);
-- Traverse the original generic unit, and capture all references to
-- entities that are defined outside of the generic in the analyzed
-- an inlined body (so that errout can distinguish cases for generating
-- error messages, otherwise the treatment is identical). In this call
-- N is the subprogram body and E is the defining identifier of the
- -- subprogram in quiestion. The resulting Sloc adjustment factor is
+ -- subprogram in question. The resulting Sloc adjustment factor is
-- saved as part of the internal state of the Sem_Ch12 package for use
-- in subsequent calls to copy nodes.
procedure Save_Env
(Gen_Unit : Entity_Id;
Act_Unit : Entity_Id);
- -- ??? comment needed
+ -- Because instantiations can be nested, the compiler maintains a stack
+ -- of environments that holds variables relevant to the current instance:
+ -- most importanty Instantiated_Parent, Exchanged_Views, Hidden_Entities,
+ -- and others (see full list in Instance_Env).
procedure Restore_Env;
- -- ??? comment needed
+ -- After processing an instantiation, or aborting one because of semantic
+ -- errors, remove the current Instantiation_Env from Instantation_Envs.
procedure Initialize;
-- Initializes internal data structures
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