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Overview
| Comment: | s_expressions-generic_caches: add a cheaper-when-possible alternative to Move |
|---|---|
| Timelines: | family | ancestors | trunk |
| Files: | files | file ages | folders |
| SHA1: |
60c4462e442e61a55f126a3879806df0 |
| User & Date: | nat 2019-04-11 17:43:01 |
Context
|
2019-04-11
| ||
| 17:43 | s_expressions-generic_caches: add a cheaper-when-possible alternative to Move Leaf check-in: 60c4462e44 user: nat tags: trunk | |
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2019-04-10
| ||
| 19:49 | s_expressions-enumeration_io-tests: test Value of invalid enum atoms check-in: b63c559d17 user: nat tags: trunk | |
Changes
Changes to src/natools-s_expressions-generic_caches.ads.
1 | ------------------------------------------------------------------------------ | | | 1 2 3 4 5 6 7 8 9 | ------------------------------------------------------------------------------ -- Copyright (c) 2013-2019, Natacha Porté -- -- -- -- Permission to use, copy, modify, and distribute this software for any -- -- purpose with or without fee is hereby granted, provided that the above -- -- copyright notice and this permission notice appear in all copies. -- -- -- -- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES -- -- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF -- |
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92 93 94 95 96 97 98 99 100 101 102 103 104 105 |
-- Create a new Cursor pointing at the beginning of Cache
function Move (Source : in out S_Expressions.Descriptor'Class) return Cursor
is (Move (Source).First);
-- Return a cursor holding a copy of Original (which is
-- destructively read)
private
type Atom_Access is access Atom;
for Atom_Access'Storage_Pool use Atom_Pool;
procedure Unchecked_Free is new Ada.Unchecked_Deallocation
(Atom, Atom_Access);
| > > > > > > > | 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 |
-- Create a new Cursor pointing at the beginning of Cache
function Move (Source : in out S_Expressions.Descriptor'Class) return Cursor
is (Move (Source).First);
-- Return a cursor holding a copy of Original (which is
-- destructively read)
function Conditional_Move
(Source : in out S_Expressions.Descriptor'Class)
return Cursor
is (if Source in Cursor then Cursor (Source) else Move (Source).First);
-- Return a copy of Source, with cheap copy if possible,
-- otherwise with destructive Move
private
type Atom_Access is access Atom;
for Atom_Access'Storage_Pool use Atom_Pool;
procedure Unchecked_Free is new Ada.Unchecked_Deallocation
(Atom, Atom_Access);
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