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