Annotation of src/usr.bin/make/for.h, Revision 1.5
1.1 espie 1: #ifndef FOR_H
2: #define FOR_H
1.5 ! espie 3: /* $OpenBSD: for.h,v 1.4 2010/07/19 19:30:37 espie Exp $ */
1.1 espie 4: /*
5: * Copyright (c) 2001 Marc Espie.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS
17: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBSD
20: * PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27: */
28:
29:
30: /*
31: * for
32: * Functions to handle loops in a makefile.
33: */
34:
35: struct For_;
36: typedef struct For_ For;
37: /* handle = For_Eval(line);
38: * Evaluate for loop in line, and returns an opaque handle.
39: * Loop lines are parsed as
1.2 espie 40: * <variable1> ... in <values>
1.3 espie 41: * assuming .for has been parsed by previous modules.
1.2 espie 42: * Returns NULL if this does not parse as a for loop after all. */
1.1 espie 43: extern For *For_Eval(const char *);
44:
45: /* finished = For_Accumulate(handle, line);
46: * Accumulate lines in a loop, until we find the matching .endfor. */
47: extern bool For_Accumulate(For *, const char *);
48:
49: /* For_Run(handle);
1.3 espie 50: * Runs the complete for loop, pushing back expanded lines to reparse
1.1 espie 51: * using Parse_FromString. */
52: extern void For_Run(For *);
53:
54: #endif