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116 lines
6.6 KiB
Ada
116 lines
6.6 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- E X P _ C H 4 --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1992-2022, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING3. If not, go to --
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-- http://www.gnu.org/licenses for a complete copy of the license. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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-- Expand routines for chapter 4 constructs
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with Types; use Types;
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package Exp_Ch4 is
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procedure Expand_N_Allocator (N : Node_Id);
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procedure Expand_N_And_Then (N : Node_Id);
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procedure Expand_N_Case_Expression (N : Node_Id);
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procedure Expand_N_Explicit_Dereference (N : Node_Id);
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procedure Expand_N_Expression_With_Actions (N : Node_Id);
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procedure Expand_N_If_Expression (N : Node_Id);
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procedure Expand_N_In (N : Node_Id);
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procedure Expand_N_Indexed_Component (N : Node_Id);
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procedure Expand_N_Not_In (N : Node_Id);
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procedure Expand_N_Null (N : Node_Id);
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procedure Expand_N_Op_Abs (N : Node_Id);
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procedure Expand_N_Op_Add (N : Node_Id);
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procedure Expand_N_Op_And (N : Node_Id);
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procedure Expand_N_Op_Concat (N : Node_Id);
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procedure Expand_N_Op_Divide (N : Node_Id);
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procedure Expand_N_Op_Expon (N : Node_Id);
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procedure Expand_N_Op_Eq (N : Node_Id);
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procedure Expand_N_Op_Ge (N : Node_Id);
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procedure Expand_N_Op_Gt (N : Node_Id);
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procedure Expand_N_Op_Le (N : Node_Id);
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procedure Expand_N_Op_Lt (N : Node_Id);
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procedure Expand_N_Op_Minus (N : Node_Id);
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procedure Expand_N_Op_Mod (N : Node_Id);
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procedure Expand_N_Op_Multiply (N : Node_Id);
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procedure Expand_N_Op_Ne (N : Node_Id);
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procedure Expand_N_Op_Not (N : Node_Id);
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procedure Expand_N_Op_Or (N : Node_Id);
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procedure Expand_N_Op_Plus (N : Node_Id);
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procedure Expand_N_Op_Rem (N : Node_Id);
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procedure Expand_N_Op_Rotate_Left (N : Node_Id);
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procedure Expand_N_Op_Rotate_Right (N : Node_Id);
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procedure Expand_N_Op_Shift_Left (N : Node_Id);
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procedure Expand_N_Op_Shift_Right (N : Node_Id);
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procedure Expand_N_Op_Shift_Right_Arithmetic (N : Node_Id);
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procedure Expand_N_Op_Subtract (N : Node_Id);
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procedure Expand_N_Op_Xor (N : Node_Id);
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procedure Expand_N_Or_Else (N : Node_Id);
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procedure Expand_N_Qualified_Expression (N : Node_Id);
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procedure Expand_N_Quantified_Expression (N : Node_Id);
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procedure Expand_N_Selected_Component (N : Node_Id);
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procedure Expand_N_Slice (N : Node_Id);
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procedure Expand_N_Type_Conversion (N : Node_Id);
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procedure Expand_N_Unchecked_Expression (N : Node_Id);
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procedure Expand_N_Unchecked_Type_Conversion (N : Node_Id);
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function Build_Eq_Call
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(Typ : Entity_Id;
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Loc : Source_Ptr;
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Lhs : Node_Id;
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Rhs : Node_Id) return Node_Id;
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-- AI05-0123: Locate primitive equality for type if it exists, and build
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-- the corresponding call. If operation is abstract, replace call with
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-- an explicit raise. Return Empty if there is no primitive.
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-- Used in the construction of record-equality routines for records here
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-- and for variant records in exp_ch3.adb. These two paths are distinct
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-- for historical but also technical reasons: for variant records the
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-- constructed function includes a case statement with nested returns,
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-- while for records without variants only a simple expression is needed.
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function Expand_Record_Equality
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(Nod : Node_Id;
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Typ : Entity_Id;
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Lhs : Node_Id;
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Rhs : Node_Id) return Node_Id;
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-- Expand a record equality into an expression that compares the fields
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-- individually to yield the required Boolean result. Loc is the
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-- location for the generated nodes. Typ is the type of the record, and
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-- Lhs, Rhs are the record expressions to be compared, these
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-- expressions need not to be analyzed but have to be side-effect free.
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-- Nod provides the Sloc value for generated code.
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procedure Expand_Set_Membership (N : Node_Id);
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-- For each choice of a set membership, we create a simple equality or
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-- membership test. The whole membership is rewritten connecting these
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-- with OR ELSE.
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function Integer_Promotion_Possible (N : Node_Id) return Boolean;
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-- Returns true if the node is a type conversion whose operand is an
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-- arithmetic operation on signed integers, and the base type of the
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-- signed integer type is smaller than Standard.Integer. In such case we
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-- have special circuitry in Expand_N_Type_Conversion to promote both of
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-- the operands to type Integer.
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end Exp_Ch4;
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