xref: /freebsd/usr.bin/rpcgen/rpc_tblout.c (revision c697fb7f)
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 }
173