xref: /netbsd/usr.bin/rpcgen/rpc_tblout.c (revision bf9ec67e)
1 /*	$NetBSD: rpc_tblout.c,v 1.10 2002/02/05 22:41:47 christos 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 #include <sys/cdefs.h>
33 #if defined(__RCSID) && !defined(lint)
34 #if 0
35 static char sccsid[] = "@(#)rpc_tblout.c 1.4 89/02/22 (C) 1988 SMI";
36 #else
37 __RCSID("$NetBSD: rpc_tblout.c,v 1.10 2002/02/05 22:41:47 christos Exp $");
38 #endif
39 #endif
40 
41 /*
42  * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
43  */
44 #include <stdio.h>
45 #include <string.h>
46 #include <stdlib.h>
47 #include "rpc_scan.h"
48 #include "rpc_parse.h"
49 #include "rpc_util.h"
50 
51 #define TABSIZE		8
52 #define TABCOUNT	5
53 #define TABSTOP		(TABSIZE*TABCOUNT)
54 
55 static char tabstr[TABCOUNT + 1] = "\t\t\t\t\t";
56 
57 static const char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
58 static const char tbl_end[] = "};\n";
59 
60 static const char null_entry[] = "\t(char *(*)())0,\n\
61  \t(xdrproc_t)xdr_void,\t\t0,\n\
62  \t(xdrproc_t)xdr_void,\t\t0,\n";
63 
64 static const char tbl_nproc[] =
65     "u_int %s_nproc =\n\t(u_int)(sizeof(%s_table)/sizeof(%s_table[0]));\n\n";
66 
67 static void write_table __P((definition *));
68 static void printit __P((char *, char *));
69 
70 void
71 write_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 
85 static void
86 write_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 			if (expected != 0)
111 				f_print(fout, "\n");
112 			current = atoi(proc->proc_num);
113 			if (current != expected++) {
114 				f_print(fout,
115 				    "/*\n * WARNING: table out of order\n */\n\n");
116 				if (warning == 0) {
117 					f_print(stderr,
118 					    "WARNING %s table is out of order\n",
119 					    progvers);
120 					warning = 1;
121 					nonfatalerrors = 1;
122 				}
123 				expected = current + 1;
124 			}
125 			f_print(fout, "\t(char *(*)())RPCGEN_ACTION(");
126 
127 			/* routine to invoke */
128 			if (!newstyle)
129 				pvname_svc(proc->proc_name, vp->vers_num);
130 			else {
131 				if (newstyle)
132 					f_print(fout, "_");	/* calls internal func */
133 				pvname(proc->proc_name, vp->vers_num);
134 			}
135 			f_print(fout, "),\n");
136 
137 			/* argument info */
138 			if (proc->arg_num > 1)
139 				printit((char *) NULL, proc->args.argname);
140 			else
141 				/* do we have to do something special for
142 				 * newstyle */
143 				printit(proc->args.decls->decl.prefix,
144 				    proc->args.decls->decl.type);
145 			/* result info */
146 			printit(proc->res_prefix, proc->res_type);
147 		}
148 
149 		/* print the table trailer */
150 		f_print(fout, tbl_end);
151 		f_print(fout, tbl_nproc, progvers, progvers, progvers);
152 	}
153 }
154 
155 static void
156 printit(prefix, type)
157 	char   *prefix;
158 	char   *type;
159 {
160 	int     len;
161 	int     tabs;
162 
163 
164 	len = fprintf(fout, "\txdr_%s,", stringfix(type));
165 	/* account for leading tab expansion */
166 	len += TABSIZE - 1;
167 	/* round up to tabs required */
168 	tabs = (TABSTOP - len + TABSIZE - 1) / TABSIZE;
169 	f_print(fout, "%s", &tabstr[TABCOUNT - tabs]);
170 
171 	if (streq(type, "void")) {
172 		f_print(fout, "0");
173 	} else {
174 		f_print(fout, "(u_int)sizeof(");
175 		/* XXX: should "follow" be 1 ??? */
176 		ptype(prefix, type, 0);
177 		f_print(fout, ")");
178 	}
179 	f_print(fout, ",\n");
180 }
181