xref: /freebsd/usr.bin/rpcgen/rpc_tblout.c (revision d0b2dbfa)
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 /*
39  * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
40  * Copyright (C) 1989, Sun Microsystems, Inc.
41  */
42 #include <err.h>
43 #include <stdio.h>
44 #include <string.h>
45 #include "rpc_parse.h"
46 #include "rpc_scan.h"
47 #include "rpc_util.h"
48 
49 #define TABSIZE		8
50 #define TABCOUNT	5
51 #define TABSTOP		(TABSIZE*TABCOUNT)
52 
53 static char tabstr[TABCOUNT+1] = "\t\t\t\t\t";
54 
55 static char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
56 static char tbl_end[] = "};\n";
57 
58 static char null_entry[] = "\n\t(char *(*)())0,\n\
59  \t(xdrproc_t) xdr_void,\t\t\t0,\n\
60  \t(xdrproc_t) xdr_void,\t\t\t0,\n";
61 
62 
63 static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";
64 
65 static void write_table( definition * );
66 static void printit(const  char *, const char *);
67 
68 void
69 write_tables(void)
70 {
71 	list *l;
72 	definition *def;
73 
74 	f_print(fout, "\n");
75 	for (l = defined; l != NULL; l = l->next) {
76 		def = (definition *) l->val;
77 		if (def->def_kind == DEF_PROGRAM) {
78 			write_table(def);
79 		}
80 	}
81 }
82 
83 static void
84 write_table(definition *def)
85 {
86 	version_list *vp;
87 	proc_list *proc;
88 	int current;
89 	int expected;
90 	char progvers[100];
91 	int warning;
92 
93 	for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
94 		warning = 0;
95 		s_print(progvers, "%s_%s",
96 		    locase(def->def_name), vp->vers_num);
97 		/* print the table header */
98 		f_print(fout, tbl_hdr, progvers);
99 
100 		if (nullproc(vp->procs)) {
101 			expected = 0;
102 		} else {
103 			expected = 1;
104 			fputs(null_entry, fout);
105 		}
106 		for (proc = vp->procs; proc != NULL; proc = proc->next) {
107 			current = atoi(proc->proc_num);
108 			if (current != expected++) {
109 				f_print(fout,
110 			"\n/*\n * WARNING: table out of order\n */\n");
111 				if (warning == 0) {
112 					warnx("WARNING %s table is out of order", progvers);
113 					warning = 1;
114 					nonfatalerrors = 1;
115 				}
116 				expected = current + 1;
117 			}
118 			f_print(fout, "\n\t(char *(*)())RPCGEN_ACTION(");
119 
120 			/* routine to invoke */
121 			if( !newstyle )
122 			  pvname_svc(proc->proc_name, vp->vers_num);
123 			else {
124 			  if( newstyle )
125 			    f_print( fout, "_");   /* calls internal func */
126 			  pvname(proc->proc_name, vp->vers_num);
127 			}
128 			f_print(fout, "),\n");
129 
130 			/* argument info */
131 			if( proc->arg_num > 1 )
132 			  printit((char*) NULL, proc->args.argname );
133 			else
134 			  /* do we have to do something special for newstyle */
135 			  printit( proc->args.decls->decl.prefix,
136 				  proc->args.decls->decl.type );
137 			/* result info */
138 			printit(proc->res_prefix, proc->res_type);
139 		}
140 
141 		/* print the table trailer */
142 		fputs(tbl_end, fout);
143 		f_print(fout, tbl_nproc, progvers, progvers, progvers);
144 	}
145 }
146 
147 static void
148 printit(const char *prefix, const char *type)
149 {
150 	int len;
151 	int tabs;
152 
153 
154  	len = fprintf(fout, "\txdr_%s,", stringfix(type));
155 	/* account for leading tab expansion */
156 	len += TABSIZE - 1;
157 	/* round up to tabs required */
158 	tabs = (TABSTOP - len + TABSIZE - 1)/TABSIZE;
159 	f_print(fout, "%s", &tabstr[TABCOUNT-tabs]);
160 
161 	if (streq(type, "void")) {
162 		f_print(fout, "0");
163 	} else {
164 		f_print(fout, "sizeof ( ");
165 		/* XXX: should "follow" be 1 ??? */
166 		ptype(prefix, type, 0);
167 		f_print(fout, ")");
168 	}
169 	f_print(fout, ",\n");
170 }
171