2002-03-03 13:17:00 +00:00
|
|
|
/* $NetBSD: emit2.c,v 1.8 2002/01/21 19:49:52 tv Exp $ */
|
1995-11-05 15:56:42 +00:00
|
|
|
|
|
|
|
/*
|
2002-03-03 13:17:00 +00:00
|
|
|
* Copyright (c) 1996 Christopher G. Demetriou. All Rights Reserved.
|
1995-11-05 15:56:42 +00:00
|
|
|
* Copyright (c) 1994, 1995 Jochen Pohl
|
|
|
|
* All Rights Reserved.
|
|
|
|
*
|
|
|
|
* 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 Jochen Pohl for
|
|
|
|
* The NetBSD Project.
|
|
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
|
|
* derived from this software without specific prior written permission.
|
|
|
|
*
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
|
|
|
|
*/
|
|
|
|
|
2002-03-03 13:17:00 +00:00
|
|
|
#include <sys/cdefs.h>
|
|
|
|
#if defined(__RCSID) && !defined(lint)
|
|
|
|
__RCSID("$NetBSD: emit2.c,v 1.8 2002/01/21 19:49:52 tv Exp $");
|
1995-11-05 15:56:42 +00:00
|
|
|
#endif
|
|
|
|
|
|
|
|
#include "lint2.h"
|
|
|
|
|
2002-03-03 13:17:00 +00:00
|
|
|
static void outtype(type_t *);
|
|
|
|
static void outdef(hte_t *, sym_t *);
|
|
|
|
static void dumpname(hte_t *);
|
|
|
|
static void outfiles(void);
|
1995-11-05 15:56:42 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Write type into the output buffer.
|
|
|
|
*/
|
|
|
|
static void
|
2002-03-03 13:17:00 +00:00
|
|
|
outtype(type_t *tp)
|
1995-11-05 15:56:42 +00:00
|
|
|
{
|
|
|
|
int t, s, na;
|
|
|
|
tspec_t ts;
|
|
|
|
type_t **ap;
|
|
|
|
|
|
|
|
while (tp != NULL) {
|
|
|
|
if ((ts = tp->t_tspec) == INT && tp->t_isenum)
|
|
|
|
ts = ENUM;
|
|
|
|
switch (ts) {
|
|
|
|
case CHAR: t = 'C'; s = '\0'; break;
|
|
|
|
case SCHAR: t = 'C'; s = 's'; break;
|
|
|
|
case UCHAR: t = 'C'; s = 'u'; break;
|
|
|
|
case SHORT: t = 'S'; s = '\0'; break;
|
|
|
|
case USHORT: t = 'S'; s = 'u'; break;
|
|
|
|
case INT: t = 'I'; s = '\0'; break;
|
|
|
|
case UINT: t = 'I'; s = 'u'; break;
|
|
|
|
case LONG: t = 'L'; s = '\0'; break;
|
|
|
|
case ULONG: t = 'L'; s = 'u'; break;
|
|
|
|
case QUAD: t = 'Q'; s = '\0'; break;
|
|
|
|
case UQUAD: t = 'Q'; s = 'u'; break;
|
|
|
|
case FLOAT: t = 'D'; s = 's'; break;
|
|
|
|
case DOUBLE: t = 'D'; s = '\0'; break;
|
|
|
|
case LDOUBLE: t = 'D'; s = 'l'; break;
|
|
|
|
case VOID: t = 'V'; s = '\0'; break;
|
|
|
|
case PTR: t = 'P'; s = '\0'; break;
|
|
|
|
case ARRAY: t = 'A'; s = '\0'; break;
|
|
|
|
case ENUM: t = 'T'; s = 'e'; break;
|
|
|
|
case STRUCT: t = 'T'; s = 's'; break;
|
|
|
|
case UNION: t = 'T'; s = 'u'; break;
|
|
|
|
case FUNC:
|
|
|
|
if (tp->t_args != NULL && !tp->t_proto) {
|
|
|
|
t = 'f';
|
|
|
|
} else {
|
|
|
|
t = 'F';
|
|
|
|
}
|
|
|
|
s = '\0';
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
errx(1, "internal error: outtype() 1");
|
|
|
|
}
|
|
|
|
if (tp->t_const)
|
|
|
|
outchar('c');
|
|
|
|
if (tp->t_volatile)
|
|
|
|
outchar('v');
|
|
|
|
if (s != '\0')
|
|
|
|
outchar(s);
|
|
|
|
outchar(t);
|
|
|
|
if (ts == ARRAY) {
|
|
|
|
outint(tp->t_dim);
|
|
|
|
} else if (ts == ENUM || ts == STRUCT || ts == UNION) {
|
|
|
|
if (tp->t_istag) {
|
|
|
|
outint(1);
|
|
|
|
outname(tp->t_tag->h_name);
|
|
|
|
} else if (tp->t_istynam) {
|
|
|
|
outint(2);
|
|
|
|
outname(tp->t_tynam->h_name);
|
2002-03-03 13:17:00 +00:00
|
|
|
} else if (tp->t_isuniqpos) {
|
|
|
|
outint(3);
|
|
|
|
outint(tp->t_uniqpos.p_line);
|
|
|
|
outchar('.');
|
|
|
|
outint(tp->t_uniqpos.p_file);
|
|
|
|
outchar('.');
|
|
|
|
outint(tp->t_uniqpos.p_uniq);
|
|
|
|
} else
|
|
|
|
errx(1, "internal error: outtype() 2");
|
1995-11-05 15:56:42 +00:00
|
|
|
} else if (ts == FUNC && tp->t_args != NULL) {
|
|
|
|
na = 0;
|
|
|
|
for (ap = tp->t_args; *ap != NULL; ap++)
|
|
|
|
na++;
|
|
|
|
if (tp->t_vararg)
|
|
|
|
na++;
|
|
|
|
outint(na);
|
|
|
|
for (ap = tp->t_args; *ap != NULL; ap++)
|
|
|
|
outtype(*ap);
|
|
|
|
if (tp->t_vararg)
|
|
|
|
outchar('E');
|
|
|
|
}
|
|
|
|
tp = tp->t_subt;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Write a definition.
|
|
|
|
*/
|
|
|
|
static void
|
2002-03-03 13:17:00 +00:00
|
|
|
outdef(hte_t *hte, sym_t *sym)
|
1995-11-05 15:56:42 +00:00
|
|
|
{
|
2002-03-03 13:17:00 +00:00
|
|
|
|
1995-11-05 15:56:42 +00:00
|
|
|
/* reset output buffer */
|
|
|
|
outclr();
|
|
|
|
|
|
|
|
/* line number in C source file */
|
|
|
|
outint(0);
|
|
|
|
|
|
|
|
/* this is a definition */
|
|
|
|
outchar('d');
|
|
|
|
|
|
|
|
/* index of file where symbol was defined and line number of def. */
|
|
|
|
outint(0);
|
|
|
|
outchar('.');
|
|
|
|
outint(0);
|
|
|
|
|
|
|
|
/* flags */
|
|
|
|
if (sym->s_va) {
|
|
|
|
outchar('v'); /* varargs */
|
|
|
|
outint(sym->s_nva);
|
|
|
|
}
|
|
|
|
if (sym->s_scfl) {
|
|
|
|
outchar('S'); /* scanflike */
|
|
|
|
outint(sym->s_nscfl);
|
|
|
|
}
|
|
|
|
if (sym->s_prfl) {
|
|
|
|
outchar('P'); /* printflike */
|
|
|
|
outint(sym->s_nprfl);
|
|
|
|
}
|
|
|
|
/* definition or tentative definition */
|
|
|
|
outchar(sym->s_def == DEF ? 'd' : 't');
|
|
|
|
if (TP(sym->s_type)->t_tspec == FUNC) {
|
|
|
|
if (sym->s_rval)
|
|
|
|
outchar('r'); /* fkt. has return value */
|
|
|
|
if (sym->s_osdef)
|
|
|
|
outchar('o'); /* old style definition */
|
|
|
|
}
|
|
|
|
outchar('u'); /* used (no warning if not used) */
|
|
|
|
|
|
|
|
/* name */
|
|
|
|
outname(hte->h_name);
|
|
|
|
|
|
|
|
/* type */
|
|
|
|
outtype(TP(sym->s_type));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Write the first definition of a name into the lint library.
|
|
|
|
*/
|
|
|
|
static void
|
2002-03-03 13:17:00 +00:00
|
|
|
dumpname(hte_t *hte)
|
1995-11-05 15:56:42 +00:00
|
|
|
{
|
|
|
|
sym_t *sym, *def;
|
|
|
|
|
|
|
|
/* static and undefined symbols are not written */
|
|
|
|
if (hte->h_static || !hte->h_def)
|
|
|
|
return;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If there is a definition, write it. Otherwise write a tentative
|
2002-03-03 13:17:00 +00:00
|
|
|
* definition. This is necessary because more than one tentative
|
1995-11-05 15:56:42 +00:00
|
|
|
* definition is allowed (except with sflag).
|
|
|
|
*/
|
|
|
|
def = NULL;
|
|
|
|
for (sym = hte->h_syms; sym != NULL; sym = sym->s_nxt) {
|
|
|
|
if (sym->s_def == DEF) {
|
|
|
|
def = sym;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (sym->s_def == TDEF && def == NULL)
|
|
|
|
def = sym;
|
|
|
|
}
|
|
|
|
if (def == NULL)
|
|
|
|
errx(1, "internal error: dumpname() %s", hte->h_name);
|
|
|
|
|
|
|
|
outdef(hte, def);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Write a new lint library.
|
|
|
|
*/
|
|
|
|
void
|
2002-03-03 13:17:00 +00:00
|
|
|
outlib(const char *name)
|
1995-11-05 15:56:42 +00:00
|
|
|
{
|
|
|
|
/* Open of output file and initialisation of the output buffer */
|
|
|
|
outopen(name);
|
|
|
|
|
|
|
|
/* write name of lint library */
|
|
|
|
outsrc(name);
|
|
|
|
|
|
|
|
/* name of lint lib has index 0 */
|
|
|
|
outclr();
|
|
|
|
outint(0);
|
|
|
|
outchar('s');
|
|
|
|
outstrg(name);
|
|
|
|
|
2002-03-03 13:17:00 +00:00
|
|
|
/*
|
|
|
|
* print the names of all files references by unnamed
|
|
|
|
* struct/union/enum declarations.
|
|
|
|
*/
|
|
|
|
outfiles();
|
|
|
|
|
1995-11-05 15:56:42 +00:00
|
|
|
/* write all definitions with external linkage */
|
|
|
|
forall(dumpname);
|
|
|
|
|
|
|
|
/* close the output */
|
|
|
|
outclose();
|
|
|
|
}
|
2002-03-03 13:17:00 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Write out the name of a file referenced by a type.
|
|
|
|
*/
|
|
|
|
struct outflist {
|
|
|
|
short ofl_num;
|
|
|
|
struct outflist *ofl_next;
|
|
|
|
};
|
|
|
|
static struct outflist *outflist;
|
|
|
|
|
|
|
|
int
|
|
|
|
addoutfile(short num)
|
|
|
|
{
|
|
|
|
struct outflist *ofl, **pofl;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
ofl = outflist;
|
|
|
|
pofl = &outflist;
|
|
|
|
i = 1; /* library is 0 */
|
|
|
|
|
|
|
|
while (ofl != NULL) {
|
|
|
|
if (ofl->ofl_num == num)
|
|
|
|
break;
|
|
|
|
|
|
|
|
pofl = &ofl->ofl_next;
|
|
|
|
ofl = ofl->ofl_next;
|
|
|
|
i++;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ofl == NULL) {
|
|
|
|
ofl = *pofl = xmalloc(sizeof (struct outflist));
|
|
|
|
ofl->ofl_num = num;
|
|
|
|
ofl->ofl_next = NULL;
|
|
|
|
}
|
|
|
|
return (i);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
outfiles(void)
|
|
|
|
{
|
|
|
|
struct outflist *ofl;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (ofl = outflist, i = 1; ofl != NULL; ofl = ofl->ofl_next, i++) {
|
|
|
|
/* reset output buffer */
|
|
|
|
outclr();
|
|
|
|
|
|
|
|
outint(i);
|
|
|
|
outchar('s');
|
|
|
|
outstrg(fnames[ofl->ofl_num]);
|
|
|
|
}
|
|
|
|
}
|