1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
#ifndef FOR_H
#define FOR_H
/* $OpenPackages$ */
/* $OpenBSD: for.h,v 1.3 2007/09/17 09:28:36 espie Exp $ */
/*
* Copyright (c) 2001 Marc Espie.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBSD
* PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* for
* Functions to handle loops in a makefile.
*/
struct For_;
typedef struct For_ For;
/* handle = For_Eval(line);
* Evaluate for loop in line, and returns an opaque handle.
* Loop lines are parsed as
* <variable1> ... in <values>
* assuming .for has been parsed by previous modules.
* Returns NULL if this does not parse as a for loop after all. */
extern For *For_Eval(const char *);
/* finished = For_Accumulate(handle, line);
* Accumulate lines in a loop, until we find the matching .endfor. */
extern bool For_Accumulate(For *, const char *);
/* For_Run(handle);
* Runs the complete for loop, pushing back expanded lines to reparse
* using Parse_FromString. */
extern void For_Run(For *);
#endif
|