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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 #if 0
31 #ifndef lint
32 #ident  "@(#)rpc_tblout.c       1.11    93/07/05 SMI"
33 static char sccsid[] = "@(#)rpc_tblout.c 1.4 89/02/22 (C) 1988 SMI";
34 #endif
35 #endif
36
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
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_scan.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 static void write_table( definition * );
68 static void printit(const  char *, const char *);
69
70 void
71 write_tables(void)
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(definition *def)
87 {
88         version_list *vp;
89         proc_list *proc;
90         int current;
91         int expected;
92         char progvers[100];
93         int warning;
94
95         for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
96                 warning = 0;
97                 s_print(progvers, "%s_%s",
98                     locase(def->def_name), vp->vers_num);
99                 /* print the table header */
100                 f_print(fout, tbl_hdr, progvers);
101
102                 if (nullproc(vp->procs)) {
103                         expected = 0;
104                 } else {
105                         expected = 1;
106                         fputs(null_entry, fout);
107                 }
108                 for (proc = vp->procs; proc != NULL; proc = proc->next) {
109                         current = atoi(proc->proc_num);
110                         if (current != expected++) {
111                                 f_print(fout,
112                         "\n/*\n * WARNING: table out of order\n */\n");
113                                 if (warning == 0) {
114                                         warnx("WARNING %s table is out of order", progvers);
115                                         warning = 1;
116                                         nonfatalerrors = 1;
117                                 }
118                                 expected = current + 1;
119                         }
120                         f_print(fout, "\n\t(char *(*)())RPCGEN_ACTION(");
121
122                         /* routine to invoke */
123                         if( !newstyle )
124                           pvname_svc(proc->proc_name, vp->vers_num);
125                         else {
126                           if( newstyle )
127                             f_print( fout, "_");   /* calls internal func */
128                           pvname(proc->proc_name, vp->vers_num);
129                         }
130                         f_print(fout, "),\n");
131
132                         /* argument info */
133                         if( proc->arg_num > 1 )
134                           printit((char*) NULL, proc->args.argname );
135                         else
136                           /* do we have to do something special for newstyle */
137                           printit( proc->args.decls->decl.prefix,
138                                   proc->args.decls->decl.type );
139                         /* result info */
140                         printit(proc->res_prefix, proc->res_type);
141                 }
142
143                 /* print the table trailer */
144                 fputs(tbl_end, fout);
145                 f_print(fout, tbl_nproc, progvers, progvers, progvers);
146         }
147 }
148
149 static void
150 printit(const char *prefix, const 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 }