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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- E X P _ C H 4 --
-- --
-- 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. --
-- --
------------------------------------------------------------------------------
-- Expand routines for chapter 4 constructs
with Types; use Types;
package Exp_Ch4 is
procedure Expand_N_Allocator (N : Node_Id);
procedure Expand_N_And_Then (N : Node_Id);
procedure Expand_N_Case_Expression (N : Node_Id);
procedure Expand_N_Explicit_Dereference (N : Node_Id);
procedure Expand_N_Expression_With_Actions (N : Node_Id);
procedure Expand_N_If_Expression (N : Node_Id);
procedure Expand_N_In (N : Node_Id);
procedure Expand_N_Indexed_Component (N : Node_Id);
procedure Expand_N_Not_In (N : Node_Id);
procedure Expand_N_Null (N : Node_Id);
procedure Expand_N_Op_Abs (N : Node_Id);
procedure Expand_N_Op_Add (N : Node_Id);
procedure Expand_N_Op_And (N : Node_Id);
procedure Expand_N_Op_Concat (N : Node_Id);
procedure Expand_N_Op_Divide (N : Node_Id);
procedure Expand_N_Op_Expon (N : Node_Id);
procedure Expand_N_Op_Eq (N : Node_Id);
procedure Expand_N_Op_Ge (N : Node_Id);
procedure Expand_N_Op_Gt (N : Node_Id);
procedure Expand_N_Op_Le (N : Node_Id);
procedure Expand_N_Op_Lt (N : Node_Id);
procedure Expand_N_Op_Minus (N : Node_Id);
procedure Expand_N_Op_Mod (N : Node_Id);
procedure Expand_N_Op_Multiply (N : Node_Id);
procedure Expand_N_Op_Ne (N : Node_Id);
procedure Expand_N_Op_Not (N : Node_Id);
procedure Expand_N_Op_Or (N : Node_Id);
procedure Expand_N_Op_Plus (N : Node_Id);
procedure Expand_N_Op_Rem (N : Node_Id);
procedure Expand_N_Op_Rotate_Left (N : Node_Id);
procedure Expand_N_Op_Rotate_Right (N : Node_Id);
procedure Expand_N_Op_Shift_Left (N : Node_Id);
procedure Expand_N_Op_Shift_Right (N : Node_Id);
procedure Expand_N_Op_Shift_Right_Arithmetic (N : Node_Id);
procedure Expand_N_Op_Subtract (N : Node_Id);
procedure Expand_N_Op_Xor (N : Node_Id);
procedure Expand_N_Or_Else (N : Node_Id);
procedure Expand_N_Qualified_Expression (N : Node_Id);
procedure Expand_N_Quantified_Expression (N : Node_Id);
procedure Expand_N_Selected_Component (N : Node_Id);
procedure Expand_N_Slice (N : Node_Id);
procedure Expand_N_Type_Conversion (N : Node_Id);
procedure Expand_N_Unchecked_Expression (N : Node_Id);
procedure Expand_N_Unchecked_Type_Conversion (N : Node_Id);
function Build_Eq_Call
(Typ : Entity_Id;
Loc : Source_Ptr;
Lhs : Node_Id;
Rhs : Node_Id) return Node_Id;
-- AI05-0123: Locate primitive equality for type if it exists, and build
-- the corresponding call. If operation is abstract, replace call with
-- an explicit raise. Return Empty if there is no primitive.
-- Used in the construction of record-equality routines for records here
-- and for variant records in exp_ch3.adb. These two paths are distinct
-- for historical but also technical reasons: for variant records the
-- constructed function includes a case statement with nested returns,
-- while for records without variants only a simple expression is needed.
function Expand_Record_Equality
(Nod : Node_Id;
Typ : Entity_Id;
Lhs : Node_Id;
Rhs : Node_Id) return Node_Id;
-- Expand a record equality into an expression that compares the fields
-- individually to yield the required Boolean result. Loc is the
-- location for the generated nodes. Typ is the type of the record, and
-- Lhs, Rhs are the record expressions to be compared, these
-- expressions need not be analyzed but have to be side-effect free.
-- Nod provides the Sloc value for generated code.
procedure Expand_Set_Membership (N : Node_Id);
-- For each choice of a set membership, we create a simple equality or
-- membership test. The whole membership is rewritten connecting these
-- with OR ELSE.
procedure Expand_Unchecked_Union_Equality (N : Node_Id);
-- Expand a call to the predefined equality operator of an unchecked union
-- type, possibly rewriting it as a raise statement.
function Integer_Promotion_Possible (N : Node_Id) return Boolean;
-- Returns true if the node is a type conversion whose operand is an
-- arithmetic operation on signed integers, and the base type of the
-- signed integer type is smaller than Standard.Integer. In such case we
-- have special circuitry in Expand_N_Type_Conversion to promote both of
-- the operands to type Integer.
end Exp_Ch4;
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