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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S E M _ A G G R --
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2023, 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- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING3. If not, go to --
-- http://www.gnu.org/licenses for a complete copy of the license. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- This package contains the resolution code for aggregates. It is logically
-- part of Sem_Res, but is split off since the aggregate code is so complex.
with Einfo.Entities; use Einfo.Entities;
with Types; use Types;
package Sem_Aggr is
procedure Resolve_Delta_Aggregate (N : Node_Id; Typ : Entity_Id);
procedure Resolve_Aggregate (N : Node_Id; Typ : Entity_Id);
procedure Resolve_Extension_Aggregate (N : Node_Id; Typ : Entity_Id);
procedure Resolve_Container_Aggregate (N : Node_Id; Typ : Entity_Id);
function Is_Others_Aggregate (Aggr : Node_Id) return Boolean;
-- Returns True is aggregate Aggr consists of a single OTHERS choice
function Is_Single_Aggregate (Aggr : Node_Id) return Boolean;
-- Returns True if aggregate Aggr consists of a single choice
-- WARNING: There is a matching C declaration of this subprogram in fe.h
function Is_Null_Aggregate (N : Node_Id) return Boolean;
-- Returns True for a "[]" aggregate (an Ada 2022 feature), even after
-- it has been transformed by expansion. Returns False otherwise.
function Is_Null_Array_Aggregate_High_Bound (N : Node_Id) return Boolean;
-- Returns True for the high bound of a null array aggregate.
function Is_Deep_Choice
(Choice : Node_Id;
Aggr_Type : Type_Kind_Id) return Boolean;
-- Returns whether Choice from a delta aggregate of type Aggr_Type is a
-- deep choice.
function Is_Root_Prefix_Of_Deep_Choice (Pref : Node_Id) return Boolean;
-- Returns whether prefix Pref of a deep choice is its root prefix. Except
-- for its use in Is_Deep_Choice, this function should only be called on
-- prefixes of a deep choice as identified by Is_Deep_Choice.
end Sem_Aggr;
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