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) 1992-2019, 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 26with Types; use Types; 27 28package 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 67end Exp_Aggr; 68