gcc/ada/exp_aggr.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                             E X P _ A G G R                              --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2018, Free Software Foundation, Inc.         --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT; see file COPYING3.  If not, go to --
  19 -- http://www.gnu.org/licenses for a complete copy of the license.          --
  20 --                                                                          --
  21 -- GNAT was originally developed  by the GNAT team at  New York University. --
  22 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  23 --                                                                          --
  24 ------------------------------------------------------------------------------
  25
  26 with Types; use Types;
  27
  28 package Exp_Aggr is
  29
  30    procedure Expand_N_Aggregate           (N : Node_Id);
  31    procedure Expand_N_Delta_Aggregate     (N : Node_Id);
  32    procedure Expand_N_Extension_Aggregate (N : Node_Id);
  33
  34    function Is_Delayed_Aggregate (N : Node_Id) return Boolean;
  35    --  Returns True if N is an aggregate of some kind whose Expansion_Delayed
  36    --  flag is set (see sinfo for meaning of flag).
  37
  38    procedure Convert_Aggr_In_Object_Decl (N : Node_Id);
  39    --  N is a N_Object_Declaration with an expression which must be an
  40    --  N_Aggregate or N_Extension_Aggregate with Expansion_Delayed.
  41    --  This procedure performs in-place aggregate assignment.
  42
  43    procedure Convert_Aggr_In_Allocator
  44      (Alloc : Node_Id;
  45       Decl  : Node_Id;
  46       Aggr  : Node_Id);
  47    --  Alloc is the allocator whose expression is the aggregate Aggr.
  48    --  Decl is an N_Object_Declaration created during allocator expansion.
  49    --  This procedure performs in-place aggregate assignment into the
  50    --  temporary declared in Decl, and the allocator becomes an access to
  51    --  that temporary.
  52
  53    procedure Convert_Aggr_In_Assignment (N : Node_Id);
  54    --  If the right-hand side of an assignment is an aggregate, expand the
  55    --  statement into a series of individual component assignments. This is
  56    --  done if there are non-static values involved in either the bounds or
  57    --  the components, and the aggregate cannot be handled as a whole by the
  58    --  backend.
  59
  60    function Static_Array_Aggregate (N : Node_Id) return Boolean;
  61    --  N is an array aggregate that may have a component association with
  62    --  an others clause and a range. If bounds are static and the expressions
  63    --  are compile-time known constants, rewrite N as a purely positional
  64    --  aggregate, to be use to initialize variables and components of the type
  65    --  without generating elaboration code.
  66
  67 end Exp_Aggr;