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) 1992-2007, 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 2,  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 COPYING.  If not, write --
  19 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  20 -- Boston, MA 02110-1301, USA.                                              --
  21 --                                                                          --
  22 -- GNAT was originally developed  by the GNAT team at  New York University. --
  23 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  24 --                                                                          --
  25 ------------------------------------------------------------------------------
  26
  27 with Types; use Types;
  28
  29 package Exp_Aggr is
  30
  31    procedure Expand_N_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
  40    --  an N_Aggregate or N_Extension_Aggregate with Expansion_Delayed
  41    --  This procedure performs in-place aggregate assignment.
  42
  43    procedure Convert_Aggr_In_Allocator (Decl, Aggr : Node_Id);
  44    --  Decl is an access N_Object_Declaration (produced during
  45    --  allocator expansion), Aggr is the initial expression aggregate
  46    --  of an allocator. This procedure perform in-place aggregate
  47    --  assignment in the newly allocated object.
  48
  49    procedure Convert_Aggr_In_Assignment (N : Node_Id);
  50    --  If the right-hand side of an assignment is an aggregate, expand the
  51    --  statement into a series of individual component assignments. This is
  52    --  done if there are non-static values involved in either the bounds or
  53    --  the components, and the aggregate cannot be handled as a whole by the
  54    --  backend.
  55
  56    function Static_Array_Aggregate (N : Node_Id) return Boolean;
  57    --  N is an array aggregate that may have a component association with
  58    --  an others clause and a range. If bounds are static and the expressions
  59    --  are compile-time known constants, rewrite N as a purely positional
  60    --  aggregate, to be use to initialize variables and components of the type
  61    --  without generating elaboration code.
  62 end Exp_Aggr;