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#ifndef COND_H
#define COND_H
/* $OpenBSD: cond.h,v 1.5 2010/07/19 19:46:44 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.
*/
/* cond
* Parse Makefile conditionals.
*/
/* Values returned by Cond_Eval. */
#define COND_PARSE 0 /* Parse the next lines */
#define COND_SKIP 1 /* Skip the next lines */
#define COND_INVALID 2 /* Not a conditional statement */
#define COND_ISFOR 3
#define COND_ISUNDEF 4
#define COND_ISINCLUDE 5
#define COND_ISPOISON 6
/* whattodo = Cond_Eval(line);
* Parses a conditional expression (without the leading dot),
* and returns a decision value.
* State is kept internally, since conditionals nest. */
extern int Cond_Eval(const char *);
/* Cond_End();
* To call at end of parsing, checks that all conditionals were
* closed. */
extern void Cond_End(void);
#endif
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