xref: /dragonfly/usr.bin/rpcgen/rpc_tblout.c (revision 21c1c48a)
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  * @(#)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  * $DragonFly: src/usr.bin/rpcgen/rpc_tblout.c,v 1.4 2004/06/19 16:40:36 joerg Exp $
32  */
33 
34 /*
35  * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
36  * Copyright (C) 1989, Sun Microsystems, Inc.
37  */
38 #include <err.h>
39 #include <stdio.h>
40 #include <string.h>
41 #include "rpc_parse.h"
42 #include "rpc_scan.h"
43 #include "rpc_util.h"
44 
45 #define	TABSIZE		8
46 #define	TABCOUNT	5
47 #define	TABSTOP		(TABSIZE*TABCOUNT)
48 
49 static char tabstr[TABCOUNT+1] = "\t\t\t\t\t";
50 
51 static char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
52 static char tbl_end[] = "};\n";
53 
54 static char null_entry[] = "\n\t(char *(*)())0,\n\
55  \t(xdrproc_t) xdr_void,\t\t\t0,\n\
56  \t(xdrproc_t) xdr_void,\t\t\t0,\n";
57 
58 
59 static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";
60 
61 static void	write_table(definition *);
62 static void	printit(const  char *, const char *);
63 
64 void
65 write_tables(void)
66 {
67 	list *l;
68 	definition *def;
69 
70 	f_print(fout, "\n");
71 	for (l = defined; l != NULL; l = l->next) {
72 		def = (definition *) l->val;
73 		if (def->def_kind == DEF_PROGRAM) {
74 			write_table(def);
75 		}
76 	}
77 }
78 
79 static void
80 write_table(definition *def)
81 {
82 	version_list *vp;
83 	proc_list *proc;
84 	int current;
85 	int expected;
86 	char progvers[100];
87 	int warning;
88 
89 	for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
90 		warning = 0;
91 		s_print(progvers, "%s_%s",
92 		    locase(def->def_name), vp->vers_num);
93 		/* print the table header */
94 		f_print(fout, tbl_hdr, progvers);
95 
96 		if (nullproc(vp->procs)) {
97 			expected = 0;
98 		} else {
99 			expected = 1;
100 			f_print(fout, null_entry);
101 		}
102 		for (proc = vp->procs; proc != NULL; proc = proc->next) {
103 			current = atoi(proc->proc_num);
104 			if (current != expected++) {
105 				f_print(fout,
106 			"\n/*\n * WARNING: table out of order\n */\n");
107 				if (warning == 0) {
108 					warnx("WARNING %s table is out of order", progvers);
109 					warning = 1;
110 					nonfatalerrors = 1;
111 				}
112 				expected = current + 1;
113 			}
114 			f_print(fout, "\n\t(char *(*)())RPCGEN_ACTION(");
115 
116 			/* routine to invoke */
117 			if(!newstyle)
118 				pvname_svc(proc->proc_name, vp->vers_num);
119 			else {
120 				if (newstyle)
121 					f_print(fout, "_");   /* calls internal func */
122 				pvname(proc->proc_name, vp->vers_num);
123 			}
124 			f_print(fout, "),\n");
125 
126 			/* argument info */
127 			if (proc->arg_num > 1) {
128 				printit(NULL, proc->args.argname);
129 			} else {
130 				/*
131 				 * do we have to do something special for
132 				 * newstyle
133 				 */
134 				printit(proc->args.decls->decl.prefix,
135 					proc->args.decls->decl.type);
136 			}
137 			/* result info */
138 			printit(proc->res_prefix, proc->res_type);
139 		}
140 
141 		/* print the table trailer */
142 		f_print(fout, tbl_end);
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