xref: /freebsd/usr.bin/rpcgen/rpc_tblout.c (revision 6780ab54325a71e7e70112b11657973edde8655e)
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 #if 0
33 #ifndef lint
34 static char sccsid[] = "@(#)rpc_tblout.c 1.4 89/02/22 (C) 1988 SMI";
35 #endif
36 #endif
37 
38 #include <sys/cdefs.h>
39 __FBSDID("$FreeBSD$");
40 
41 /*
42  * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
43  * Copyright (C) 1989, Sun Microsystems, Inc.
44  */
45 #include <err.h>
46 #include <stdio.h>
47 #include <string.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 char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
58 static char tbl_end[] = "};\n";
59 
60 static char null_entry[] = "\n\t(char *(*)())0,\n\
61  \t(xdrproc_t) xdr_void,\t\t\t0,\n\
62  \t(xdrproc_t) xdr_void,\t\t\t0,\n";
63 
64 
65 static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";
66 
67 extern int nullproc( proc_list * );
68 static void write_table( definition * );
69 static void printit( char *, char * );
70 
71 void
72 write_tables()
73 {
74 	list *l;
75 	definition *def;
76 
77 	f_print(fout, "\n");
78 	for (l = defined; l != NULL; l = l->next) {
79 		def = (definition *) l->val;
80 		if (def->def_kind == DEF_PROGRAM) {
81 			write_table(def);
82 		}
83 	}
84 }
85 
86 static void
87 write_table(def)
88 	definition *def;
89 {
90 	version_list *vp;
91 	proc_list *proc;
92 	int current;
93 	int expected;
94 	char progvers[100];
95 	int warning;
96 
97 	for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
98 		warning = 0;
99 		s_print(progvers, "%s_%s",
100 		    locase(def->def_name), vp->vers_num);
101 		/* print the table header */
102 		f_print(fout, tbl_hdr, progvers);
103 
104 		if (nullproc(vp->procs)) {
105 			expected = 0;
106 		} else {
107 			expected = 1;
108 			f_print(fout, null_entry);
109 		}
110 		for (proc = vp->procs; proc != NULL; proc = proc->next) {
111 			current = atoi(proc->proc_num);
112 			if (current != expected++) {
113 				f_print(fout,
114 			"\n/*\n * WARNING: table out of order\n */\n");
115 				if (warning == 0) {
116 					warnx("WARNING %s table is out of order", progvers);
117 					warning = 1;
118 					nonfatalerrors = 1;
119 				}
120 				expected = current + 1;
121 			}
122 			f_print(fout, "\n\t(char *(*)())RPCGEN_ACTION(");
123 
124 			/* routine to invoke */
125 			if( Cflag && !newstyle )
126 			  pvname_svc(proc->proc_name, vp->vers_num);
127 			else {
128 			  if( newstyle )
129 			    f_print( fout, "_");   /* calls internal func */
130 			  pvname(proc->proc_name, vp->vers_num);
131 			}
132 			f_print(fout, "),\n");
133 
134 			/* argument info */
135 			if( proc->arg_num > 1 )
136 			  printit((char*) NULL, proc->args.argname );
137 			else
138 			  /* do we have to do something special for newstyle */
139 			  printit( proc->args.decls->decl.prefix,
140 				  proc->args.decls->decl.type );
141 			/* result info */
142 			printit(proc->res_prefix, proc->res_type);
143 		}
144 
145 		/* print the table trailer */
146 		f_print(fout, tbl_end);
147 		f_print(fout, tbl_nproc, progvers, progvers, progvers);
148 	}
149 }
150 
151 static void
152 printit(prefix, type)
153 	char *prefix;
154 	char *type;
155 {
156 	int len;
157 	int tabs;
158 
159 
160  	len = fprintf(fout, "\txdr_%s,", stringfix(type));
161 	/* account for leading tab expansion */
162 	len += TABSIZE - 1;
163 	/* round up to tabs required */
164 	tabs = (TABSTOP - len + TABSIZE - 1)/TABSIZE;
165 	f_print(fout, "%s", &tabstr[TABCOUNT-tabs]);
166 
167 	if (streq(type, "void")) {
168 		f_print(fout, "0");
169 	} else {
170 		f_print(fout, "sizeof ( ");
171 		/* XXX: should "follow" be 1 ??? */
172 		ptype(prefix, type, 0);
173 		f_print(fout, ")");
174 	}
175 	f_print(fout, ",\n");
176 }
177