rpc_tblout.c revision 17142 
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
33static char sccsid[] = "@(#)rpc_tblout.c 1.4 89/02/22 (C) 1988 SMI";
34#endif
35
36/*
37 * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
38 * Copyright (C) 1989, Sun Microsystems, Inc.
39 */
40#include <stdio.h>
41#include <string.h>
42#include "rpc_parse.h"
43#include "rpc_util.h"
44
45#define TABSIZE		8
46#define TABCOUNT	5
47#define TABSTOP		(TABSIZE*TABCOUNT)
48
49static char tabstr[TABCOUNT+1] = "\t\t\t\t\t";
50
51static char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
52static char tbl_end[] = "};\n";
53
54static char null_entry[] = "\n\t(char *(*)())0,\n\
55 \t(xdrproc_t) xdr_void,\t\t\t0,\n\
56 \t(xdrproc_t) xdr_void,\t\t\t0,\n";
57
58
59static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";
60
61extern int nullproc __P(( proc_list * ));
62static void write_table __P(( definition * ));
63static void printit __P(( char *, char * ));
64
65void
66write_tables()
67{
68	list *l;
69	definition *def;
70
71	f_print(fout, "\n");
72	for (l = defined; l != NULL; l = l->next) {
73		def = (definition *) l->val;
74		if (def->def_kind == DEF_PROGRAM) {
75			write_table(def);
76		}
77	}
78}
79
80static void
81write_table(def)
82	definition *def;
83{
84	version_list *vp;
85	proc_list *proc;
86	int current;
87	int expected;
88	char progvers[100];
89	int warning;
90
91	for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
92		warning = 0;
93		s_print(progvers, "%s_%s",
94		    locase(def->def_name), vp->vers_num);
95		/* print the table header */
96		f_print(fout, tbl_hdr, progvers);
97
98		if (nullproc(vp->procs)) {
99			expected = 0;
100		} else {
101			expected = 1;
102			f_print(fout, null_entry);
103		}
104		for (proc = vp->procs; proc != NULL; proc = proc->next) {
105			current = atoi(proc->proc_num);
106			if (current != expected++) {
107				f_print(fout,
108			"\n/*\n * WARNING: table out of order\n */\n");
109				if (warning == 0) {
110					f_print(stderr,
111				    "WARNING %s table is out of order\n",
112					    progvers);
113					warning = 1;
114					nonfatalerrors = 1;
115				}
116				expected = current + 1;
117			}
118			f_print(fout, "\n\t(char *(*)())RPCGEN_ACTION(");
119
120			/* routine to invoke */
121			if( Cflag && !newstyle )
122			  pvname_svc(proc->proc_name, vp->vers_num);
123			else {
124			  if( newstyle )
125			    f_print( fout, "_");   /* calls internal func */
126			  pvname(proc->proc_name, vp->vers_num);
127			}
128			f_print(fout, "),\n");
129
130			/* argument info */
131			if( proc->arg_num > 1 )
132			  printit((char*) NULL, proc->args.argname );
133			else
134			  /* do we have to do something special for newstyle */
135			  printit( proc->args.decls->decl.prefix,
136				  proc->args.decls->decl.type );
137			/* result info */
138			printit(proc->res_prefix, proc->res_type);
139		}
140
141		/* print the table trailer */
142		f_print(fout, tbl_end);
143		f_print(fout, tbl_nproc, progvers, progvers, progvers);
144	}
145}
146
147static void
148printit(prefix, type)
149	char *prefix;
150	char *type;
151{
152	int len;
153	int tabs;
154
155
156 	len = fprintf(fout, "\txdr_%s,", stringfix(type));
157	/* account for leading tab expansion */
158	len += TABSIZE - 1;
159	/* round up to tabs required */
160	tabs = (TABSTOP - len + TABSIZE - 1)/TABSIZE;
161	f_print(fout, "%s", &tabstr[TABCOUNT-tabs]);
162
163	if (streq(type, "void")) {
164		f_print(fout, "0");
165	} else {
166		f_print(fout, "sizeof ( ");
167		/* XXX: should "follow" be 1 ??? */
168		ptype(prefix, type, 0);
169		f_print(fout, ")");
170	}
171	f_print(fout, ",\n");
172}
173