1 |
706 |
jeremybenn |
------------------------------------------------------------------------------
|
2 |
|
|
-- --
|
3 |
|
|
-- GNAT COMPILER COMPONENTS --
|
4 |
|
|
-- --
|
5 |
|
|
-- E X P _ C H 4 --
|
6 |
|
|
-- --
|
7 |
|
|
-- S p e c --
|
8 |
|
|
-- --
|
9 |
|
|
-- Copyright (C) 1992-2011, 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 |
|
|
|
26 |
|
|
-- Expand routines for chapter 4 constructs
|
27 |
|
|
|
28 |
|
|
with Types; use Types;
|
29 |
|
|
|
30 |
|
|
package Exp_Ch4 is
|
31 |
|
|
|
32 |
|
|
procedure Expand_N_Allocator (N : Node_Id);
|
33 |
|
|
procedure Expand_N_And_Then (N : Node_Id);
|
34 |
|
|
procedure Expand_N_Case_Expression (N : Node_Id);
|
35 |
|
|
procedure Expand_N_Conditional_Expression (N : Node_Id);
|
36 |
|
|
procedure Expand_N_Explicit_Dereference (N : Node_Id);
|
37 |
|
|
procedure Expand_N_Expression_With_Actions (N : Node_Id);
|
38 |
|
|
procedure Expand_N_In (N : Node_Id);
|
39 |
|
|
procedure Expand_N_Indexed_Component (N : Node_Id);
|
40 |
|
|
procedure Expand_N_Not_In (N : Node_Id);
|
41 |
|
|
procedure Expand_N_Null (N : Node_Id);
|
42 |
|
|
procedure Expand_N_Op_Abs (N : Node_Id);
|
43 |
|
|
procedure Expand_N_Op_Add (N : Node_Id);
|
44 |
|
|
procedure Expand_N_Op_And (N : Node_Id);
|
45 |
|
|
procedure Expand_N_Op_Concat (N : Node_Id);
|
46 |
|
|
procedure Expand_N_Op_Divide (N : Node_Id);
|
47 |
|
|
procedure Expand_N_Op_Expon (N : Node_Id);
|
48 |
|
|
procedure Expand_N_Op_Eq (N : Node_Id);
|
49 |
|
|
procedure Expand_N_Op_Ge (N : Node_Id);
|
50 |
|
|
procedure Expand_N_Op_Gt (N : Node_Id);
|
51 |
|
|
procedure Expand_N_Op_Le (N : Node_Id);
|
52 |
|
|
procedure Expand_N_Op_Lt (N : Node_Id);
|
53 |
|
|
procedure Expand_N_Op_Minus (N : Node_Id);
|
54 |
|
|
procedure Expand_N_Op_Mod (N : Node_Id);
|
55 |
|
|
procedure Expand_N_Op_Multiply (N : Node_Id);
|
56 |
|
|
procedure Expand_N_Op_Ne (N : Node_Id);
|
57 |
|
|
procedure Expand_N_Op_Not (N : Node_Id);
|
58 |
|
|
procedure Expand_N_Op_Or (N : Node_Id);
|
59 |
|
|
procedure Expand_N_Op_Plus (N : Node_Id);
|
60 |
|
|
procedure Expand_N_Op_Rem (N : Node_Id);
|
61 |
|
|
procedure Expand_N_Op_Rotate_Left (N : Node_Id);
|
62 |
|
|
procedure Expand_N_Op_Rotate_Right (N : Node_Id);
|
63 |
|
|
procedure Expand_N_Op_Shift_Left (N : Node_Id);
|
64 |
|
|
procedure Expand_N_Op_Shift_Right (N : Node_Id);
|
65 |
|
|
procedure Expand_N_Op_Shift_Right_Arithmetic (N : Node_Id);
|
66 |
|
|
procedure Expand_N_Op_Subtract (N : Node_Id);
|
67 |
|
|
procedure Expand_N_Op_Xor (N : Node_Id);
|
68 |
|
|
procedure Expand_N_Or_Else (N : Node_Id);
|
69 |
|
|
procedure Expand_N_Qualified_Expression (N : Node_Id);
|
70 |
|
|
procedure Expand_N_Quantified_Expression (N : Node_Id);
|
71 |
|
|
procedure Expand_N_Selected_Component (N : Node_Id);
|
72 |
|
|
procedure Expand_N_Slice (N : Node_Id);
|
73 |
|
|
procedure Expand_N_Type_Conversion (N : Node_Id);
|
74 |
|
|
procedure Expand_N_Unchecked_Expression (N : Node_Id);
|
75 |
|
|
procedure Expand_N_Unchecked_Type_Conversion (N : Node_Id);
|
76 |
|
|
|
77 |
|
|
function Expand_Record_Equality
|
78 |
|
|
(Nod : Node_Id;
|
79 |
|
|
Typ : Entity_Id;
|
80 |
|
|
Lhs : Node_Id;
|
81 |
|
|
Rhs : Node_Id;
|
82 |
|
|
Bodies : List_Id)
|
83 |
|
|
return Node_Id;
|
84 |
|
|
-- Expand a record equality into an expression that compares the fields
|
85 |
|
|
-- individually to yield the required Boolean result. Loc is the
|
86 |
|
|
-- location for the generated nodes. Typ is the type of the record, and
|
87 |
|
|
-- Lhs, Rhs are the record expressions to be compared, these
|
88 |
|
|
-- expressions need not to be analyzed but have to be side-effect free.
|
89 |
|
|
-- Bodies is a list on which to attach bodies of local functions that
|
90 |
|
|
-- are created in the process. This is the responsibility of the caller
|
91 |
|
|
-- to insert those bodies at the right place. Nod provides the Sloc
|
92 |
|
|
-- value for generated code.
|
93 |
|
|
|
94 |
|
|
procedure Expand_Set_Membership (N : Node_Id);
|
95 |
|
|
-- For each choice of a set membership, we create a simple equality or
|
96 |
|
|
-- membership test. The whole membership is rewritten connecting these
|
97 |
|
|
-- with OR ELSE.
|
98 |
|
|
|
99 |
|
|
function Integer_Promotion_Possible (N : Node_Id) return Boolean;
|
100 |
|
|
-- Returns true if the node is a type conversion whose operand is an
|
101 |
|
|
-- arithmetic operation on signed integers, and the base type of the
|
102 |
|
|
-- signed integer type is smaller than Standard.Integer. In such case we
|
103 |
|
|
-- have special circuitry in Expand_N_Type_Conversion to promote both of
|
104 |
|
|
-- the operands to type Integer.
|
105 |
|
|
|
106 |
|
|
end Exp_Ch4;
|