xref: /dragonfly/usr.bin/rpcgen/rpc_tblout.c (revision c8860c9a)
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, MERCHANTABILITY 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  * @(#)rpc_tblout.c	1.11	93/07/05 SMI; 1.4 89/02/22 (C) 1988 SMI
30  * $FreeBSD: src/usr.bin/rpcgen/rpc_tblout.c,v 1.12 2005/11/13 21:17:24 dwmalone Exp $
31  */
32 
33 /*
34  * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
35  * Copyright (C) 1989, Sun Microsystems, Inc.
36  */
37 #include <err.h>
38 #include <stdio.h>
39 #include <string.h>
40 #include "rpc_parse.h"
41 #include "rpc_scan.h"
42 #include "rpc_util.h"
43 
44 #define	TABSIZE		8
45 #define	TABCOUNT	5
46 #define	TABSTOP		(TABSIZE*TABCOUNT)
47 
48 static char tabstr[TABCOUNT+1] = "\t\t\t\t\t";
49 
50 static char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
51 static char tbl_end[] = "};\n";
52 
53 static char null_entry[] = "\n\t(char *(*)())0,\n\
54  \t(xdrproc_t) xdr_void,\t\t\t0,\n\
55  \t(xdrproc_t) xdr_void,\t\t\t0,\n";
56 
57 
58 static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";
59 
60 static void	write_table(definition *);
61 static void	printit(const  char *, const char *);
62 
63 void
64 write_tables(void)
65 {
66 	list *l;
67 	definition *def;
68 
69 	f_print(fout, "\n");
70 	for (l = defined; l != NULL; l = l->next) {
71 		def = (definition *) l->val;
72 		if (def->def_kind == DEF_PROGRAM) {
73 			write_table(def);
74 		}
75 	}
76 }
77 
78 static void
79 write_table(definition *def)
80 {
81 	version_list *vp;
82 	proc_list *proc;
83 	int current;
84 	int expected;
85 	char progvers[100];
86 	int warning;
87 
88 	for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
89 		warning = 0;
90 		s_print(progvers, "%s_%s",
91 		    locase(def->def_name), vp->vers_num);
92 		/* print the table header */
93 		f_print(fout, tbl_hdr, progvers);
94 
95 		if (nullproc(vp->procs)) {
96 			expected = 0;
97 		} else {
98 			expected = 1;
99 			f_print(fout, "%s", null_entry);
100 		}
101 		for (proc = vp->procs; proc != NULL; proc = proc->next) {
102 			current = atoi(proc->proc_num);
103 			if (current != expected++) {
104 				f_print(fout,
105 			"\n/*\n * WARNING: table out of order\n */\n");
106 				if (warning == 0) {
107 					warnx("WARNING %s table is out of order", progvers);
108 					warning = 1;
109 					nonfatalerrors = 1;
110 				}
111 				expected = current + 1;
112 			}
113 			f_print(fout, "\n\t(char *(*)())RPCGEN_ACTION(");
114 
115 			/* routine to invoke */
116 			if(!newstyle)
117 				pvname_svc(proc->proc_name, vp->vers_num);
118 			else {
119 				if (newstyle)
120 					f_print(fout, "_");   /* calls internal func */
121 				pvname(proc->proc_name, vp->vers_num);
122 			}
123 			f_print(fout, "),\n");
124 
125 			/* argument info */
126 			if (proc->arg_num > 1) {
127 				printit(NULL, proc->args.argname);
128 			} else {
129 				/*
130 				 * do we have to do something special for
131 				 * newstyle
132 				 */
133 				printit(proc->args.decls->decl.prefix,
134 					proc->args.decls->decl.type);
135 			}
136 			/* result info */
137 			printit(proc->res_prefix, proc->res_type);
138 		}
139 
140 		/* print the table trailer */
141 		f_print(fout, "%s", tbl_end);
142 		f_print(fout, tbl_nproc, progvers, progvers, progvers);
143 	}
144 }
145 
146 static void
147 printit(const char *prefix, const char *type)
148 {
149 	int len;
150 	int tabs;
151 
152 
153  	len = fprintf(fout, "\txdr_%s,", stringfix(type));
154 	/* account for leading tab expansion */
155 	len += TABSIZE - 1;
156 	/* round up to tabs required */
157 	tabs = (TABSTOP - len + TABSIZE - 1)/TABSIZE;
158 	f_print(fout, "%s", &tabstr[TABCOUNT-tabs]);
159 
160 	if (streq(type, "void")) {
161 		f_print(fout, "0");
162 	} else {
163 		f_print(fout, "sizeof ( ");
164 		/* XXX: should "follow" be 1 ??? */
165 		ptype(prefix, type, 0);
166 		f_print(fout, ")");
167 	}
168 	f_print(fout, ",\n");
169 }
170