xref: /netbsd-src/usr.bin/rpcgen/rpc_tblout.c (revision b1c86f5f087524e68db12794ee9c3e3da1ab17a0)
1 /*	$NetBSD: rpc_tblout.c,v 1.11 2004/06/20 22:20:16 jmc Exp $	*/
2 /*
3  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
4  * unrestricted use provided that this legend is included on all tape
5  * media and as a part of the software program in whole or part.  Users
6  * may copy or modify Sun RPC without charge, but are not authorized
7  * to license or distribute it to anyone else except as part of a product or
8  * program developed by the user or with the express written consent of
9  * Sun Microsystems, Inc.
10  *
11  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
12  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
13  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
14  *
15  * Sun RPC is provided with no support and without any obligation on the
16  * part of Sun Microsystems, Inc. to assist in its use, correction,
17  * modification or enhancement.
18  *
19  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
20  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
21  * OR ANY PART THEREOF.
22  *
23  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
24  * or profits or other special, indirect and consequential damages, even if
25  * Sun has been advised of the possibility of such damages.
26  *
27  * Sun Microsystems, Inc.
28  * 2550 Garcia Avenue
29  * Mountain View, California  94043
30  */
31 
32 #if HAVE_NBTOOL_CONFIG_H
33 #include "nbtool_config.h"
34 #endif
35 
36 #include <sys/cdefs.h>
37 #if defined(__RCSID) && !defined(lint)
38 #if 0
39 static char sccsid[] = "@(#)rpc_tblout.c 1.4 89/02/22 (C) 1988 SMI";
40 #else
41 __RCSID("$NetBSD: rpc_tblout.c,v 1.11 2004/06/20 22:20:16 jmc Exp $");
42 #endif
43 #endif
44 
45 /*
46  * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
47  */
48 #include <stdio.h>
49 #include <string.h>
50 #include <stdlib.h>
51 #include "rpc_scan.h"
52 #include "rpc_parse.h"
53 #include "rpc_util.h"
54 
55 #define TABSIZE		8
56 #define TABCOUNT	5
57 #define TABSTOP		(TABSIZE*TABCOUNT)
58 
59 static char tabstr[TABCOUNT + 1] = "\t\t\t\t\t";
60 
61 static const char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
62 static const char tbl_end[] = "};\n";
63 
64 static const char null_entry[] = "\t(char *(*)())0,\n\
65  \t(xdrproc_t)xdr_void,\t\t0,\n\
66  \t(xdrproc_t)xdr_void,\t\t0,\n";
67 
68 static const char tbl_nproc[] =
69     "u_int %s_nproc =\n\t(u_int)(sizeof(%s_table)/sizeof(%s_table[0]));\n\n";
70 
71 static void write_table __P((definition *));
72 static void printit __P((char *, char *));
73 
74 void
75 write_tables()
76 {
77 	list   *l;
78 	definition *def;
79 
80 	f_print(fout, "\n");
81 	for (l = defined; l != NULL; l = l->next) {
82 		def = (definition *) l->val;
83 		if (def->def_kind == DEF_PROGRAM) {
84 			write_table(def);
85 		}
86 	}
87 }
88 
89 static void
90 write_table(def)
91 	definition *def;
92 {
93 	version_list *vp;
94 	proc_list *proc;
95 	int     current;
96 	int     expected;
97 	char    progvers[100];
98 	int     warning;
99 
100 	for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
101 		warning = 0;
102 		s_print(progvers, "%s_%s",
103 		    locase(def->def_name), vp->vers_num);
104 		/* print the table header */
105 		f_print(fout, tbl_hdr, progvers);
106 
107 		if (nullproc(vp->procs)) {
108 			expected = 0;
109 		} else {
110 			expected = 1;
111 			f_print(fout, null_entry);
112 		}
113 		for (proc = vp->procs; proc != NULL; proc = proc->next) {
114 			if (expected != 0)
115 				f_print(fout, "\n");
116 			current = atoi(proc->proc_num);
117 			if (current != expected++) {
118 				f_print(fout,
119 				    "/*\n * WARNING: table out of order\n */\n\n");
120 				if (warning == 0) {
121 					f_print(stderr,
122 					    "WARNING %s table is out of order\n",
123 					    progvers);
124 					warning = 1;
125 					nonfatalerrors = 1;
126 				}
127 				expected = current + 1;
128 			}
129 			f_print(fout, "\t(char *(*)())RPCGEN_ACTION(");
130 
131 			/* routine to invoke */
132 			if (!newstyle)
133 				pvname_svc(proc->proc_name, vp->vers_num);
134 			else {
135 				if (newstyle)
136 					f_print(fout, "_");	/* calls internal func */
137 				pvname(proc->proc_name, vp->vers_num);
138 			}
139 			f_print(fout, "),\n");
140 
141 			/* argument info */
142 			if (proc->arg_num > 1)
143 				printit((char *) NULL, proc->args.argname);
144 			else
145 				/* do we have to do something special for
146 				 * newstyle */
147 				printit(proc->args.decls->decl.prefix,
148 				    proc->args.decls->decl.type);
149 			/* result info */
150 			printit(proc->res_prefix, proc->res_type);
151 		}
152 
153 		/* print the table trailer */
154 		f_print(fout, tbl_end);
155 		f_print(fout, tbl_nproc, progvers, progvers, progvers);
156 	}
157 }
158 
159 static void
160 printit(prefix, type)
161 	char   *prefix;
162 	char   *type;
163 {
164 	int     len;
165 	int     tabs;
166 
167 
168 	len = fprintf(fout, "\txdr_%s,", stringfix(type));
169 	/* account for leading tab expansion */
170 	len += TABSIZE - 1;
171 	/* round up to tabs required */
172 	tabs = (TABSTOP - len + TABSIZE - 1) / TABSIZE;
173 	f_print(fout, "%s", &tabstr[TABCOUNT - tabs]);
174 
175 	if (streq(type, "void")) {
176 		f_print(fout, "0");
177 	} else {
178 		f_print(fout, "(u_int)sizeof(");
179 		/* XXX: should "follow" be 1 ??? */
180 		ptype(prefix, type, 0);
181 		f_print(fout, ")");
182 	}
183 	f_print(fout, ",\n");
184 }
185