1 | /* |
2 | * From: @(#)rpc_tblout.c 1.4 89/02/22 |
3 | * |
4 | * Copyright (c) 2010, Oracle America, Inc. |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions are |
7 | * met: |
8 | * |
9 | * * Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * * Redistributions in binary form must reproduce the above |
12 | * copyright notice, this list of conditions and the following |
13 | * disclaimer in the documentation and/or other materials |
14 | * provided with the distribution. |
15 | * * Neither the name of the "Oracle America, Inc." nor the names of its |
16 | * contributors may be used to endorse or promote products derived |
17 | * from this software without specific prior written permission. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
22 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
23 | * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
24 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
26 | * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
28 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
29 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
31 | */ |
32 | |
33 | /* |
34 | * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler |
35 | */ |
36 | #include <stdio.h> |
37 | #include <string.h> |
38 | #include "rpc_parse.h" |
39 | #include "rpc_util.h" |
40 | #include "proto.h" |
41 | |
42 | #define TABSIZE 8 |
43 | #define TABCOUNT 5 |
44 | #define TABSTOP (TABSIZE*TABCOUNT) |
45 | |
46 | static const char tabstr[TABCOUNT + 1] = "\t\t\t\t\t" ; |
47 | |
48 | static const char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n" ; |
49 | static const char tbl_end[] = "};\n" ; |
50 | |
51 | static const char null_entry[] = "\n\t(char *(*)())0,\n\ |
52 | \t(xdrproc_t) xdr_void,\t\t\t0,\n\ |
53 | \t(xdrproc_t) xdr_void,\t\t\t0,\n" ; |
54 | |
55 | |
56 | static const char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n" ; |
57 | |
58 | static void write_table (const definition * def); |
59 | static void printit (const char *prefix, const char *type); |
60 | |
61 | void |
62 | write_tables (void) |
63 | { |
64 | list *l; |
65 | definition *def; |
66 | |
67 | f_print (fout, "\n" ); |
68 | for (l = defined; l != NULL; l = l->next) |
69 | { |
70 | def = (definition *) l->val; |
71 | if (def->def_kind == DEF_PROGRAM) |
72 | { |
73 | write_table (def); |
74 | } |
75 | } |
76 | } |
77 | |
78 | static void |
79 | write_table (const 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 | { |
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 | { |
98 | expected = 0; |
99 | } |
100 | else |
101 | { |
102 | expected = 1; |
103 | f_print (fout, null_entry); |
104 | } |
105 | for (proc = vp->procs; proc != NULL; proc = proc->next) |
106 | { |
107 | current = atoi (proc->proc_num); |
108 | if (current != expected++) |
109 | { |
110 | f_print (fout, |
111 | "\n/*\n * WARNING: table out of order\n */\n" ); |
112 | if (warning == 0) |
113 | { |
114 | f_print (stderr, |
115 | "WARNING %s table is out of order\n" , |
116 | progvers); |
117 | warning = 1; |
118 | nonfatalerrors = 1; |
119 | } |
120 | expected = current + 1; |
121 | } |
122 | f_print (fout, "\n\t(char *(*)())RPCGEN_ACTION(" ); |
123 | |
124 | /* routine to invoke */ |
125 | if (Cflag && !newstyle) |
126 | pvname_svc (proc->proc_name, vp->vers_num); |
127 | else |
128 | { |
129 | if (newstyle) |
130 | f_print (fout, "_" ); /* calls internal func */ |
131 | pvname (proc->proc_name, vp->vers_num); |
132 | } |
133 | f_print (fout, "),\n" ); |
134 | |
135 | /* argument info */ |
136 | if (proc->arg_num > 1) |
137 | printit ((char *) NULL, proc->args.argname); |
138 | else |
139 | /* do we have to do something special for newstyle */ |
140 | printit (proc->args.decls->decl.prefix, |
141 | proc->args.decls->decl.type); |
142 | /* result info */ |
143 | printit (proc->res_prefix, proc->res_type); |
144 | } |
145 | |
146 | /* print the table trailer */ |
147 | f_print (fout, tbl_end); |
148 | f_print (fout, tbl_nproc, progvers, progvers, progvers); |
149 | } |
150 | } |
151 | |
152 | static void |
153 | printit (const char *prefix, const char *type) |
154 | { |
155 | int len; |
156 | int tabs; |
157 | |
158 | |
159 | len = fprintf (fout, "\txdr_%s," , stringfix (type)); |
160 | /* account for leading tab expansion */ |
161 | len += TABSIZE - 1; |
162 | /* round up to tabs required */ |
163 | tabs = (TABSTOP - len + TABSIZE - 1) / TABSIZE; |
164 | f_print (fout, "%s" , &tabstr[TABCOUNT - tabs]); |
165 | |
166 | if (streq (type, "void" )) |
167 | { |
168 | f_print (fout, "0" ); |
169 | } |
170 | else |
171 | { |
172 | f_print (fout, "sizeof ( " ); |
173 | /* XXX: should "follow" be 1 ??? */ |
174 | ptype (prefix, type, 0); |
175 | f_print (fout, ")" ); |
176 | } |
177 | f_print (fout, ",\n" ); |
178 | } |
179 | |