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| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 25 May 2020 18:13:55 +0900 |
| parents | 1830386684a0 |
| children |
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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- E X P _ C H 4 -- -- -- -- S p e c -- -- -- -- Copyright (C) 1992-2019, 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; Bodies : List_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 to be analyzed but have to be side-effect free. -- Bodies is a list on which to attach bodies of local functions that -- are created in the process. This is the responsibility of the caller -- to insert those bodies at the right place. 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. 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;