rpc_tblout.c revision 92921 
1/*
2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part.  Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user.
8 *
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
12 *
13 * Sun RPC is provided with no support and without any obligation on the
14 * part of Sun Microsystems, Inc. to assist in its use, correction,
15 * modification or enhancement.
16 *
17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
20 *
21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22 * or profits or other special, indirect and consequential damages, even if
23 * Sun has been advised of the possibility of such damages.
24 *
25 * Sun Microsystems, Inc.
26 * 2550 Garcia Avenue
27 * Mountain View, California  94043
28 */
29
30#ident	"@(#)rpc_tblout.c	1.11	93/07/05 SMI"
31
32#ifndef lint
33#if 0
34static char sccsid[] = "@(#)rpc_tblout.c 1.4 89/02/22 (C) 1988 SMI";
35#endif
36static const char rcsid[] =
37  "$FreeBSD: head/usr.bin/rpcgen/rpc_tblout.c 92921 2002-03-22 01:33:25Z imp $";
38#endif
39
40/*
41 * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
42 * Copyright (C) 1989, Sun Microsystems, Inc.
43 */
44#include <err.h>
45#include <stdio.h>
46#include <string.h>
47#include "rpc_parse.h"
48#include "rpc_util.h"
49
50#define TABSIZE		8
51#define TABCOUNT	5
52#define TABSTOP		(TABSIZE*TABCOUNT)
53
54static char tabstr[TABCOUNT+1] = "\t\t\t\t\t";
55
56static char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
57static char tbl_end[] = "};\n";
58
59static char null_entry[] = "\n\t(char *(*)())0,\n\
60 \t(xdrproc_t) xdr_void,\t\t\t0,\n\
61 \t(xdrproc_t) xdr_void,\t\t\t0,\n";
62
63
64static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";
65
66extern int nullproc( proc_list * );
67static void write_table( definition * );
68static void printit( char *, char * );
69
70void
71write_tables()
72{
73	list *l;
74	definition *def;
75
76	f_print(fout, "\n");
77	for (l = defined; l != NULL; l = l->next) {
78		def = (definition *) l->val;
79		if (def->def_kind == DEF_PROGRAM) {
80			write_table(def);
81		}
82	}
83}
84
85static void
86write_table(def)
87	definition *def;
88{
89	version_list *vp;
90	proc_list *proc;
91	int current;
92	int expected;
93	char progvers[100];
94	int warning;
95
96	for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
97		warning = 0;
98		s_print(progvers, "%s_%s",
99		    locase(def->def_name), vp->vers_num);
100		/* print the table header */
101		f_print(fout, tbl_hdr, progvers);
102
103		if (nullproc(vp->procs)) {
104			expected = 0;
105		} else {
106			expected = 1;
107			f_print(fout, null_entry);
108		}
109		for (proc = vp->procs; proc != NULL; proc = proc->next) {
110			current = atoi(proc->proc_num);
111			if (current != expected++) {
112				f_print(fout,
113			"\n/*\n * WARNING: table out of order\n */\n");
114				if (warning == 0) {
115					warnx("WARNING %s table is out of order", progvers);
116					warning = 1;
117					nonfatalerrors = 1;
118				}
119				expected = current + 1;
120			}
121			f_print(fout, "\n\t(char *(*)())RPCGEN_ACTION(");
122
123			/* routine to invoke */
124			if( Cflag && !newstyle )
125			  pvname_svc(proc->proc_name, vp->vers_num);
126			else {
127			  if( newstyle )
128			    f_print( fout, "_");   /* calls internal func */
129			  pvname(proc->proc_name, vp->vers_num);
130			}
131			f_print(fout, "),\n");
132
133			/* argument info */
134			if( proc->arg_num > 1 )
135			  printit((char*) NULL, proc->args.argname );
136			else
137			  /* do we have to do something special for newstyle */
138			  printit( proc->args.decls->decl.prefix,
139				  proc->args.decls->decl.type );
140			/* result info */
141			printit(proc->res_prefix, proc->res_type);
142		}
143
144		/* print the table trailer */
145		f_print(fout, tbl_end);
146		f_print(fout, tbl_nproc, progvers, progvers, progvers);
147	}
148}
149
150static void
151printit(prefix, type)
152	char *prefix;
153	char *type;
154{
155	int len;
156	int tabs;
157
158
159 	len = fprintf(fout, "\txdr_%s,", stringfix(type));
160	/* account for leading tab expansion */
161	len += TABSIZE - 1;
162	/* round up to tabs required */
163	tabs = (TABSTOP - len + TABSIZE - 1)/TABSIZE;
164	f_print(fout, "%s", &tabstr[TABCOUNT-tabs]);
165
166	if (streq(type, "void")) {
167		f_print(fout, "0");
168	} else {
169		f_print(fout, "sizeof ( ");
170		/* XXX: should "follow" be 1 ??? */
171		ptype(prefix, type, 0);
172		f_print(fout, ")");
173	}
174	f_print(fout, ",\n");
175}
176