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tyname.c revision 1.5 
      1 /*	$NetBSD: tyname.c,v 1.5 2008/04/25 22:18:34 christos Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2005 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Christos Zoulas.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #if HAVE_NBTOOL_CONFIG_H
     40 #include "nbtool_config.h"
     41 #endif
     42 
     43 #include <sys/cdefs.h>
     44 #if defined(__RCSID) && !defined(lint)
     45 __RCSID("$NetBSD: tyname.c,v 1.5 2008/04/25 22:18:34 christos Exp $");
     46 #endif
     47 
     48 #include <limits.h>
     49 #include <stdlib.h>
     50 #include <err.h>
     51 
     52 #include PASS
     53 
     54 #ifndef LERROR
     55 #define LERROR(a) 	do { \
     56     (void)warnx("%s, %d: %s", __FILE__, __LINE__, (a)); \
     57     abort(); \
     58 } while (/*CONSTCOND*/0)
     59 #endif
     60 
     61 const char *
     62 basictyname(tspec_t t)
     63 {
     64 	switch (t) {
     65 	case BOOL:	return "_Bool";
     66 	case CHAR:	return "char";
     67 	case UCHAR:	return "unsigned char";
     68 	case SCHAR:	return "signed char";
     69 	case SHORT:	return "short";
     70 	case USHORT:	return "unsigned short";
     71 	case INT:	return "int";
     72 	case UINT:	return "unsigned int";
     73 	case LONG:	return "long";
     74 	case ULONG:	return "unsigned long";
     75 	case QUAD:	return "long long";
     76 	case UQUAD:	return "unsigned long long";
     77 	case FLOAT:	return "float";
     78 	case DOUBLE:	return "double";
     79 	case LDOUBLE:	return "long double";
     80 	case VOID:	return "void";
     81 	case PTR:	return "pointer";
     82 	case ENUM:	return "enum";
     83 	case STRUCT:	return "struct";
     84 	case UNION:	return "union";
     85 	case FUNC:	return "function";
     86 	case ARRAY:	return "array";
     87 	case FCOMPLEX:	return "float _Complex";
     88 	case DCOMPLEX:	return "double _Complex";
     89 	case COMPLEX:	return "_Complex";
     90 	default:
     91 		LERROR("basictyname()");
     92 		return NULL;
     93 	}
     94 }
     95 
     96 const char *
     97 tyname(char *buf, size_t bufsiz, type_t *tp)
     98 {
     99 	tspec_t	t;
    100 	const	char *s;
    101 	char lbuf[64];
    102 
    103 	if ((t = tp->t_tspec) == INT && tp->t_isenum)
    104 		t = ENUM;
    105 
    106 	s = basictyname(t);
    107 
    108 
    109 	switch (t) {
    110 	case BOOL:
    111 	case CHAR:
    112 	case UCHAR:
    113 	case SCHAR:
    114 	case SHORT:
    115 	case USHORT:
    116 	case INT:
    117 	case UINT:
    118 	case LONG:
    119 	case ULONG:
    120 	case QUAD:
    121 	case UQUAD:
    122 	case FLOAT:
    123 	case DOUBLE:
    124 	case LDOUBLE:
    125 	case VOID:
    126 	case FUNC:
    127 	case COMPLEX:
    128 	case FCOMPLEX:
    129 	case DCOMPLEX:
    130 		(void)snprintf(buf, bufsiz, "%s", s);
    131 		break;
    132 	case PTR:
    133 		(void)snprintf(buf, bufsiz, "%s to %s", s,
    134 		    tyname(lbuf, sizeof(lbuf), tp->t_subt));
    135 		break;
    136 	case ENUM:
    137 		(void)snprintf(buf, bufsiz, "%s %s", s,
    138 #ifdef t_enum
    139 		    tp->t_enum->etag->s_name
    140 #else
    141 		    tp->t_tag->h_name
    142 #endif
    143 		    );
    144 		break;
    145 	case STRUCT:
    146 	case UNION:
    147 		(void)snprintf(buf, bufsiz, "%s %s", s,
    148 #ifdef t_str
    149 		    tp->t_str->stag->s_name
    150 #else
    151 		    tp->t_tag->h_name
    152 #endif
    153 		    );
    154 		break;
    155 	case ARRAY:
    156 		(void)snprintf(buf, bufsiz, "%s of %s[%d]", s,
    157 		    tyname(lbuf, sizeof(lbuf), tp->t_subt), tp->t_dim);
    158 		break;
    159 	default:
    160 		LERROR("tyname()");
    161 	}
    162 	return (buf);
    163 }
    164