517 lines
8.7 KiB
C
517 lines
8.7 KiB
C
/*
|
|
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
|
|
* unrestricted use provided that this legend is included on all tape
|
|
* media and as a part of the software program in whole or part. Users
|
|
* may copy or modify Sun RPC without charge, but are not authorized
|
|
* to license or distribute it to anyone else except as part of a product or
|
|
* program developed by the user.
|
|
*
|
|
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
|
|
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
|
|
*
|
|
* Sun RPC is provided with no support and without any obligation on the
|
|
* part of Sun Microsystems, Inc. to assist in its use, correction,
|
|
* modification or enhancement.
|
|
*
|
|
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
|
|
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
|
|
* OR ANY PART THEREOF.
|
|
*
|
|
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
|
|
* or profits or other special, indirect and consequential damages, even if
|
|
* Sun has been advised of the possibility of such damages.
|
|
*
|
|
* Sun Microsystems, Inc.
|
|
* 2550 Garcia Avenue
|
|
* Mountain View, California 94043
|
|
*/
|
|
|
|
#ident "@(#)rpc_util.c 1.14 93/07/05 SMI"
|
|
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)rpc_util.c 1.11 89/02/22 (C) 1987 SMI";
|
|
#endif
|
|
static const char rcsid[] =
|
|
"$Id$";
|
|
#endif
|
|
|
|
/*
|
|
* rpc_util.c, Utility routines for the RPC protocol compiler
|
|
* Copyright (C) 1989, Sun Microsystems, Inc.
|
|
*/
|
|
#include <err.h>
|
|
#include <ctype.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include "rpc_scan.h"
|
|
#include "rpc_parse.h"
|
|
#include "rpc_util.h"
|
|
|
|
#define ARGEXT "argument"
|
|
|
|
char curline[MAXLINESIZE]; /* current read line */
|
|
char *where = curline; /* current point in line */
|
|
int linenum = 0; /* current line number */
|
|
|
|
char *infilename; /* input filename */
|
|
|
|
#define NFILES 7
|
|
char *outfiles[NFILES]; /* output file names */
|
|
int nfiles;
|
|
|
|
FILE *fout; /* file pointer of current output */
|
|
FILE *fin; /* file pointer of current input */
|
|
|
|
list *defined; /* list of defined things */
|
|
|
|
static void printwhere __P(( void ));
|
|
|
|
/*
|
|
* Reinitialize the world
|
|
*/
|
|
void
|
|
reinitialize()
|
|
{
|
|
memset(curline, 0, MAXLINESIZE);
|
|
where = curline;
|
|
linenum = 0;
|
|
defined = NULL;
|
|
}
|
|
|
|
/*
|
|
* string equality
|
|
*/
|
|
int
|
|
streq(a, b)
|
|
char *a;
|
|
char *b;
|
|
{
|
|
return (strcmp(a, b) == 0);
|
|
}
|
|
|
|
/*
|
|
* find a value in a list
|
|
*/
|
|
definition *
|
|
findval(lst, val, cmp)
|
|
list *lst;
|
|
char *val;
|
|
int (*cmp) ();
|
|
|
|
{
|
|
for (; lst != NULL; lst = lst->next) {
|
|
if ((*cmp) (lst->val, val)) {
|
|
return (lst->val);
|
|
}
|
|
}
|
|
return (NULL);
|
|
}
|
|
|
|
/*
|
|
* store a value in a list
|
|
*/
|
|
void
|
|
storeval(lstp, val)
|
|
list **lstp;
|
|
definition *val;
|
|
{
|
|
list **l;
|
|
list *lst;
|
|
|
|
for (l = lstp; *l != NULL; l = (list **) & (*l)->next);
|
|
lst = ALLOC(list);
|
|
lst->val = val;
|
|
lst->next = NULL;
|
|
*l = lst;
|
|
}
|
|
|
|
static int
|
|
findit(def, type)
|
|
definition *def;
|
|
char *type;
|
|
{
|
|
return (streq(def->def_name, type));
|
|
}
|
|
|
|
static char *
|
|
fixit(type, orig)
|
|
char *type;
|
|
char *orig;
|
|
{
|
|
definition *def;
|
|
|
|
def = (definition *) FINDVAL(defined, type, findit);
|
|
if (def == NULL || def->def_kind != DEF_TYPEDEF) {
|
|
return (orig);
|
|
}
|
|
switch (def->def.ty.rel) {
|
|
case REL_VECTOR:
|
|
if (streq(def->def.ty.old_type, "opaque"))
|
|
return ("char");
|
|
else
|
|
return (def->def.ty.old_type);
|
|
|
|
case REL_ALIAS:
|
|
return (fixit(def->def.ty.old_type, orig));
|
|
default:
|
|
return (orig);
|
|
}
|
|
}
|
|
|
|
char *
|
|
fixtype(type)
|
|
char *type;
|
|
{
|
|
return (fixit(type, type));
|
|
}
|
|
|
|
char *
|
|
stringfix(type)
|
|
char *type;
|
|
{
|
|
if (streq(type, "string")) {
|
|
return ("wrapstring");
|
|
} else {
|
|
return (type);
|
|
}
|
|
}
|
|
|
|
void
|
|
ptype(prefix, type, follow)
|
|
char *prefix;
|
|
char *type;
|
|
int follow;
|
|
{
|
|
if (prefix != NULL) {
|
|
if (streq(prefix, "enum")) {
|
|
f_print(fout, "enum ");
|
|
} else {
|
|
f_print(fout, "struct ");
|
|
}
|
|
}
|
|
if (streq(type, "bool")) {
|
|
f_print(fout, "bool_t ");
|
|
} else if (streq(type, "string")) {
|
|
f_print(fout, "char *");
|
|
} else {
|
|
f_print(fout, "%s ", follow ? fixtype(type) : type);
|
|
}
|
|
}
|
|
|
|
static int
|
|
typedefed(def, type)
|
|
definition *def;
|
|
char *type;
|
|
{
|
|
if (def->def_kind != DEF_TYPEDEF || def->def.ty.old_prefix != NULL) {
|
|
return (0);
|
|
} else {
|
|
return (streq(def->def_name, type));
|
|
}
|
|
}
|
|
|
|
int
|
|
isvectordef(type, rel)
|
|
char *type;
|
|
relation rel;
|
|
{
|
|
definition *def;
|
|
|
|
for (;;) {
|
|
switch (rel) {
|
|
case REL_VECTOR:
|
|
return (!streq(type, "string"));
|
|
case REL_ARRAY:
|
|
return (0);
|
|
case REL_POINTER:
|
|
return (0);
|
|
case REL_ALIAS:
|
|
def = (definition *) FINDVAL(defined, type, typedefed);
|
|
if (def == NULL) {
|
|
return (0);
|
|
}
|
|
type = def->def.ty.old_type;
|
|
rel = def->def.ty.rel;
|
|
}
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
char *
|
|
locase(str)
|
|
char *str;
|
|
{
|
|
char c;
|
|
static char buf[100];
|
|
char *p = buf;
|
|
|
|
while ( (c = *str++) ) {
|
|
*p++ = (c >= 'A' && c <= 'Z') ? (c - 'A' + 'a') : c;
|
|
}
|
|
*p = 0;
|
|
return (buf);
|
|
}
|
|
|
|
void
|
|
pvname_svc(pname, vnum)
|
|
char *pname;
|
|
char *vnum;
|
|
{
|
|
f_print(fout, "%s_%s_svc", locase(pname), vnum);
|
|
}
|
|
|
|
void
|
|
pvname(pname, vnum)
|
|
char *pname;
|
|
char *vnum;
|
|
{
|
|
f_print(fout, "%s_%s", locase(pname), vnum);
|
|
}
|
|
|
|
/*
|
|
* print a useful (?) error message, and then die
|
|
*/
|
|
void
|
|
error(msg)
|
|
char *msg;
|
|
{
|
|
printwhere();
|
|
warnx("%s, line %d: %s", infilename, linenum, msg);
|
|
crash();
|
|
}
|
|
|
|
/*
|
|
* Something went wrong, unlink any files that we may have created and then
|
|
* die.
|
|
*/
|
|
void
|
|
crash()
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < nfiles; i++) {
|
|
(void) unlink(outfiles[i]);
|
|
}
|
|
exit(1);
|
|
}
|
|
|
|
void
|
|
record_open(file)
|
|
char *file;
|
|
{
|
|
if (nfiles < NFILES) {
|
|
outfiles[nfiles++] = file;
|
|
} else {
|
|
warnx("too many files");
|
|
crash();
|
|
}
|
|
}
|
|
|
|
static char expectbuf[100];
|
|
static char *toktostr();
|
|
|
|
/*
|
|
* error, token encountered was not the expected one
|
|
*/
|
|
void
|
|
expected1(exp1)
|
|
tok_kind exp1;
|
|
{
|
|
s_print(expectbuf, "expected '%s'",
|
|
toktostr(exp1));
|
|
error(expectbuf);
|
|
}
|
|
|
|
/*
|
|
* error, token encountered was not one of two expected ones
|
|
*/
|
|
void
|
|
expected2(exp1, exp2)
|
|
tok_kind exp1, exp2;
|
|
{
|
|
s_print(expectbuf, "expected '%s' or '%s'",
|
|
toktostr(exp1),
|
|
toktostr(exp2));
|
|
error(expectbuf);
|
|
}
|
|
|
|
/*
|
|
* error, token encountered was not one of 3 expected ones
|
|
*/
|
|
void
|
|
expected3(exp1, exp2, exp3)
|
|
tok_kind exp1, exp2, exp3;
|
|
{
|
|
s_print(expectbuf, "expected '%s', '%s' or '%s'",
|
|
toktostr(exp1),
|
|
toktostr(exp2),
|
|
toktostr(exp3));
|
|
error(expectbuf);
|
|
}
|
|
|
|
void
|
|
tabify(f, tab)
|
|
FILE *f;
|
|
int tab;
|
|
{
|
|
while (tab--) {
|
|
(void) fputc('\t', f);
|
|
}
|
|
}
|
|
|
|
|
|
static token tokstrings[] = {
|
|
{TOK_IDENT, "identifier"},
|
|
{TOK_CONST, "const"},
|
|
{TOK_RPAREN, ")"},
|
|
{TOK_LPAREN, "("},
|
|
{TOK_RBRACE, "}"},
|
|
{TOK_LBRACE, "{"},
|
|
{TOK_LBRACKET, "["},
|
|
{TOK_RBRACKET, "]"},
|
|
{TOK_STAR, "*"},
|
|
{TOK_COMMA, ","},
|
|
{TOK_EQUAL, "="},
|
|
{TOK_COLON, ":"},
|
|
{TOK_SEMICOLON, ";"},
|
|
{TOK_UNION, "union"},
|
|
{TOK_STRUCT, "struct"},
|
|
{TOK_SWITCH, "switch"},
|
|
{TOK_CASE, "case"},
|
|
{TOK_DEFAULT, "default"},
|
|
{TOK_ENUM, "enum"},
|
|
{TOK_TYPEDEF, "typedef"},
|
|
{TOK_INT, "int"},
|
|
{TOK_SHORT, "short"},
|
|
{TOK_LONG, "long"},
|
|
{TOK_UNSIGNED, "unsigned"},
|
|
{TOK_DOUBLE, "double"},
|
|
{TOK_FLOAT, "float"},
|
|
{TOK_CHAR, "char"},
|
|
{TOK_STRING, "string"},
|
|
{TOK_OPAQUE, "opaque"},
|
|
{TOK_BOOL, "bool"},
|
|
{TOK_VOID, "void"},
|
|
{TOK_PROGRAM, "program"},
|
|
{TOK_VERSION, "version"},
|
|
{TOK_EOF, "??????"}
|
|
};
|
|
|
|
static char *
|
|
toktostr(kind)
|
|
tok_kind kind;
|
|
{
|
|
token *sp;
|
|
|
|
for (sp = tokstrings; sp->kind != TOK_EOF && sp->kind != kind; sp++);
|
|
return (sp->str);
|
|
}
|
|
|
|
static void
|
|
printbuf()
|
|
{
|
|
char c;
|
|
int i;
|
|
int cnt;
|
|
|
|
# define TABSIZE 4
|
|
|
|
for (i = 0; (c = curline[i]); i++) {
|
|
if (c == '\t') {
|
|
cnt = 8 - (i % TABSIZE);
|
|
c = ' ';
|
|
} else {
|
|
cnt = 1;
|
|
}
|
|
while (cnt--) {
|
|
(void) fputc(c, stderr);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
printwhere()
|
|
{
|
|
int i;
|
|
char c;
|
|
int cnt;
|
|
|
|
printbuf();
|
|
for (i = 0; i < where - curline; i++) {
|
|
c = curline[i];
|
|
if (c == '\t') {
|
|
cnt = 8 - (i % TABSIZE);
|
|
} else {
|
|
cnt = 1;
|
|
}
|
|
while (cnt--) {
|
|
(void) fputc('^', stderr);
|
|
}
|
|
}
|
|
(void) fputc('\n', stderr);
|
|
}
|
|
|
|
char *
|
|
make_argname(pname, vname)
|
|
char *pname;
|
|
char *vname;
|
|
{
|
|
char *name;
|
|
|
|
name = malloc(strlen(pname) + strlen(vname) + strlen(ARGEXT) + 3);
|
|
if (!name)
|
|
errx(1, "failed in malloc");
|
|
sprintf(name, "%s_%s_%s", locase(pname), vname, ARGEXT);
|
|
return (name);
|
|
}
|
|
|
|
bas_type *typ_list_h;
|
|
bas_type *typ_list_t;
|
|
|
|
void
|
|
add_type(len, type)
|
|
int len;
|
|
char *type;
|
|
{
|
|
bas_type *ptr;
|
|
|
|
if ((ptr = (bas_type *) malloc(sizeof (bas_type))) == (bas_type *)NULL)
|
|
errx(1, "failed in malloc");
|
|
|
|
ptr->name = type;
|
|
ptr->length = len;
|
|
ptr->next = NULL;
|
|
if (typ_list_t == NULL)
|
|
{
|
|
|
|
typ_list_t = ptr;
|
|
typ_list_h = ptr;
|
|
}
|
|
else
|
|
{
|
|
typ_list_t->next = ptr;
|
|
typ_list_t = ptr;
|
|
};
|
|
}
|
|
|
|
|
|
bas_type *find_type(type)
|
|
char *type;
|
|
{
|
|
bas_type * ptr;
|
|
|
|
ptr = typ_list_h;
|
|
while (ptr != NULL)
|
|
{
|
|
if (strcmp(ptr->name, type) == 0)
|
|
return (ptr);
|
|
else
|
|
ptr = ptr->next;
|
|
};
|
|
return (NULL);
|
|
}
|