NetBSD/usr.bin/xlint/common/tyname.c

158 lines
4.2 KiB
C

/* $NetBSD: tyname.c,v 1.4 2007/02/07 14:20:58 hubertf Exp $ */
/*-
* Copyright (c) 2005 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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.
*/
#if HAVE_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#endif
#include <sys/cdefs.h>
#if defined(__RCSID) && !defined(lint)
__RCSID("$NetBSD: tyname.c,v 1.4 2007/02/07 14:20:58 hubertf Exp $");
#endif
#include <limits.h>
#include <stdlib.h>
#include <err.h>
#include PASS
#ifndef LERROR
#define LERROR(a) do { \
(void)warnx("%s, %d: %s", __FILE__, __LINE__, (a)); \
abort(); \
} while (/*CONSTCOND*/0)
#endif
const char *
basictyname(tspec_t t)
{
switch (t) {
case BOOL: return "_Bool";
case CHAR: return "char";
case UCHAR: return "unsigned char";
case SCHAR: return "signed char";
case SHORT: return "short";
case USHORT: return "unsigned short";
case INT: return "int";
case UINT: return "unsigned int";
case LONG: return "long";
case ULONG: return "unsigned long";
case QUAD: return "long long";
case UQUAD: return "unsigned long long";
case FLOAT: return "float";
case DOUBLE: return "double";
case LDOUBLE: return "long double";
case VOID: return "void";
case PTR: return "pointer";
case ENUM: return "enum";
case STRUCT: return "struct";
case UNION: return "union";
case FUNC: return "function";
case ARRAY: return "array";
default:
LERROR("basictyname()");
return NULL;
}
}
const char *
tyname(char *buf, size_t bufsiz, type_t *tp)
{
tspec_t t;
const char *s;
char lbuf[64];
if ((t = tp->t_tspec) == INT && tp->t_isenum)
t = ENUM;
s = basictyname(t);
switch (t) {
case BOOL:
case CHAR:
case UCHAR:
case SCHAR:
case SHORT:
case USHORT:
case INT:
case UINT:
case LONG:
case ULONG:
case QUAD:
case UQUAD:
case FLOAT:
case DOUBLE:
case LDOUBLE:
case VOID:
case FUNC:
(void)snprintf(buf, bufsiz, "%s", s);
break;
case PTR:
(void)snprintf(buf, bufsiz, "%s to %s", s,
tyname(lbuf, sizeof(lbuf), tp->t_subt));
break;
case ENUM:
(void)snprintf(buf, bufsiz, "%s %s", s,
#ifdef t_enum
tp->t_enum->etag->s_name
#else
tp->t_tag->h_name
#endif
);
break;
case STRUCT:
case UNION:
(void)snprintf(buf, bufsiz, "%s %s", s,
#ifdef t_str
tp->t_str->stag->s_name
#else
tp->t_tag->h_name
#endif
);
break;
case ARRAY:
(void)snprintf(buf, bufsiz, "%s of %s[%d]", s,
tyname(lbuf, sizeof(lbuf), tp->t_subt), tp->t_dim);
break;
default:
LERROR("tyname()");
}
return (buf);
}