Remove __P macros from src/usr.bin and src/usr.sbin.
[dragonfly.git] / usr.bin / xlint / lint2 / emit2.c
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1/* $NetBSD: emit2.c,v 1.2 1995/07/03 21:24:44 cgd Exp $ */
2
3/*
4 * Copyright (c) 1994, 1995 Jochen Pohl
5 * All Rights Reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Jochen Pohl for
18 * The NetBSD Project.
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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32 *
33 * $NetBSD: emit2.c,v 1.2 1995/07/03 21:24:44 cgd Exp $
2d8a3be7 34 * $DragonFly: src/usr.bin/xlint/lint2/emit2.c,v 1.4 2003/11/03 19:31:34 eirikn Exp $
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35 */
36
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37#include <err.h>
38
39#include "lint2.h"
40
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41static void outtype(type_t *);
42static void outdef(hte_t *, sym_t *);
43static void dumpname(hte_t *);
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44
45/*
46 * Write type into the output buffer.
47 */
48static void
49outtype(tp)
50 type_t *tp;
51{
52 int t, s, na;
53 tspec_t ts;
54 type_t **ap;
55
56 while (tp != NULL) {
57 if ((ts = tp->t_tspec) == INT && tp->t_isenum)
58 ts = ENUM;
59 switch (ts) {
60 case CHAR: t = 'C'; s = '\0'; break;
61 case SCHAR: t = 'C'; s = 's'; break;
62 case UCHAR: t = 'C'; s = 'u'; break;
63 case SHORT: t = 'S'; s = '\0'; break;
64 case USHORT: t = 'S'; s = 'u'; break;
65 case INT: t = 'I'; s = '\0'; break;
66 case UINT: t = 'I'; s = 'u'; break;
67 case LONG: t = 'L'; s = '\0'; break;
68 case ULONG: t = 'L'; s = 'u'; break;
69 case QUAD: t = 'Q'; s = '\0'; break;
70 case UQUAD: t = 'Q'; s = 'u'; break;
71 case FLOAT: t = 'D'; s = 's'; break;
72 case DOUBLE: t = 'D'; s = '\0'; break;
73 case LDOUBLE: t = 'D'; s = 'l'; break;
74 case VOID: t = 'V'; s = '\0'; break;
75 case PTR: t = 'P'; s = '\0'; break;
76 case ARRAY: t = 'A'; s = '\0'; break;
77 case ENUM: t = 'T'; s = 'e'; break;
78 case STRUCT: t = 'T'; s = 's'; break;
79 case UNION: t = 'T'; s = 'u'; break;
80 case FUNC:
81 if (tp->t_args != NULL && !tp->t_proto) {
82 t = 'f';
83 } else {
84 t = 'F';
85 }
86 s = '\0';
87 break;
88 default:
89 errx(1, "internal error: outtype() 1");
90 }
91 if (tp->t_const)
92 outchar('c');
93 if (tp->t_volatile)
94 outchar('v');
95 if (s != '\0')
96 outchar(s);
97 outchar(t);
98 if (ts == ARRAY) {
99 outint(tp->t_dim);
100 } else if (ts == ENUM || ts == STRUCT || ts == UNION) {
101 if (tp->t_istag) {
102 outint(1);
103 outname(tp->t_tag->h_name);
104 } else if (tp->t_istynam) {
105 outint(2);
106 outname(tp->t_tynam->h_name);
107 } else {
108 outint(0);
109 }
110 } else if (ts == FUNC && tp->t_args != NULL) {
111 na = 0;
112 for (ap = tp->t_args; *ap != NULL; ap++)
113 na++;
114 if (tp->t_vararg)
115 na++;
116 outint(na);
117 for (ap = tp->t_args; *ap != NULL; ap++)
118 outtype(*ap);
119 if (tp->t_vararg)
120 outchar('E');
121 }
122 tp = tp->t_subt;
123 }
124}
125
126/*
127 * Write a definition.
128 */
129static void
130outdef(hte, sym)
131 hte_t *hte;
132 sym_t *sym;
133{
134 /* reset output buffer */
135 outclr();
136
137 /* line number in C source file */
138 outint(0);
139
140 /* this is a definition */
141 outchar('d');
142
143 /* index of file where symbol was defined and line number of def. */
144 outint(0);
145 outchar('.');
146 outint(0);
147
148 /* flags */
149 if (sym->s_va) {
150 outchar('v'); /* varargs */
151 outint(sym->s_nva);
152 }
153 if (sym->s_scfl) {
154 outchar('S'); /* scanflike */
155 outint(sym->s_nscfl);
156 }
157 if (sym->s_prfl) {
158 outchar('P'); /* printflike */
159 outint(sym->s_nprfl);
160 }
161 /* definition or tentative definition */
162 outchar(sym->s_def == DEF ? 'd' : 't');
163 if (TP(sym->s_type)->t_tspec == FUNC) {
164 if (sym->s_rval)
165 outchar('r'); /* fkt. has return value */
166 if (sym->s_osdef)
167 outchar('o'); /* old style definition */
168 }
169 outchar('u'); /* used (no warning if not used) */
170
171 /* name */
172 outname(hte->h_name);
173
174 /* type */
175 outtype(TP(sym->s_type));
176}
177
178/*
179 * Write the first definition of a name into the lint library.
180 */
181static void
182dumpname(hte)
183 hte_t *hte;
184{
185 sym_t *sym, *def;
186
187 /* static and undefined symbols are not written */
188 if (hte->h_static || !hte->h_def)
189 return;
190
191 /*
192 * If there is a definition, write it. Otherwise write a tentative
193 * definition. This is neccessary because more than one tentative
194 * definition is allowed (except with sflag).
195 */
196 def = NULL;
197 for (sym = hte->h_syms; sym != NULL; sym = sym->s_nxt) {
198 if (sym->s_def == DEF) {
199 def = sym;
200 break;
201 }
202 if (sym->s_def == TDEF && def == NULL)
203 def = sym;
204 }
205 if (def == NULL)
206 errx(1, "internal error: dumpname() %s", hte->h_name);
207
208 outdef(hte, def);
209}
210
211/*
212 * Write a new lint library.
213 */
214void
215outlib(name)
216 const char *name;
217{
218 /* Open of output file and initialisation of the output buffer */
219 outopen(name);
220
221 /* write name of lint library */
222 outsrc(name);
223
224 /* name of lint lib has index 0 */
225 outclr();
226 outint(0);
227 outchar('s');
228 outstrg(name);
229
230 /* write all definitions with external linkage */
231 forall(dumpname);
232
233 /* close the output */
234 outclose();
235}