view macro.h @ 135:eaae8014a94a

Don't assert and leak memory if failing during argument collection. Once you have a -D option or a -include foo option, you need to clean up the arrays those are accumulated in if you die before they're collected and handled.
author David A. Holland
date Tue, 09 Jul 2013 13:35:40 -0400
parents 76c114899f63
children 8cef6d7227a8
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/*-
 * Copyright (c) 2010 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by David A. Holland.
 *
 * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
 */

#include <stdbool.h>
#include <stddef.h>

struct place;

void macros_init(void);
void macros_cleanup(void);

void macro_define_plain(struct place *, const char *macro,
			struct place *, const char *expansion);
void macro_define_params(struct place *, const char *macro,
			 struct place *, const char *params,
			 struct place *, const char *expansion);
void macro_undef(const char *macro);
bool macro_isdefined(const char *macro);

char *macroexpand(struct place *, char *buf, size_t len, bool honordefined);

void macro_sendline(struct place *, char *buf, size_t len);
void macro_sendeof(struct place *);