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
45static char tabstr[TABCOUNT+1] = "\t\t\t\t\t";
46
47static char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
48static char tbl_end[] = "};\n";
49
50static 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
55static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";
56
57static void write_table( definition * );
58static void printit(const  char *, const char *);
59
60void
61write_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
75static void
76write_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
139static void
140printit(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