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