xref: /openbsd/usr.bin/make/enginechoice.c (revision 4bdff4be)
1 /*	$OpenBSD: enginechoice.c,v 1.4 2023/09/04 11:35:11 espie Exp $ */
2 /*
3  * Copyright (c) 2020 Marc Espie.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS
15  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17  * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OPENBSD
18  * PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
20  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 #include "defines.h"
27 #include "compat.h"
28 #include "make.h"
29 #include "enginechoice.h"
30 
31 struct engine {
32 	void (*run_list)(Lst, bool *, bool *);
33 	void (*node_updated)(GNode *);
34 	void (*init)(void);
35 }
36 	compat_engine = { Compat_Run, Compat_Update, Compat_Init },
37 	parallel_engine = { Make_Run, Make_Update, Make_Init },
38 	*engine;
39 
40 void
41 choose_engine(bool compat)
42 {
43 	engine = compat ? &compat_engine: &parallel_engine;
44 	engine->init();
45 }
46 
47 void
48 engine_run_list(Lst l, bool *has_errors, bool *out_of_date)
49 {
50 	engine->run_list(l, has_errors, out_of_date);
51 }
52 
53 void
54 engine_node_updated(GNode *gn)
55 {
56 	engine->node_updated(gn);
57 }
58