356 lines
7.3 KiB
C
356 lines
7.3 KiB
C
/* @(#)rpc_cout.c 2.1 88/08/01 4.0 RPCSRC */
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/*
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* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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* unrestricted use provided that this legend is included on all tape
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* media and as a part of the software program in whole or part. Users
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* may copy or modify Sun RPC without charge, but are not authorized
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* to license or distribute it to anyone else except as part of a product or
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* program developed by the user.
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*
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* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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*
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* Sun RPC is provided with no support and without any obligation on the
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* part of Sun Microsystems, Inc. to assist in its use, correction,
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* modification or enhancement.
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*
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* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
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* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
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* OR ANY PART THEREOF.
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*
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* In no event will Sun Microsystems, Inc. be liable for any lost revenue
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* or profits or other special, indirect and consequential damages, even if
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* Sun has been advised of the possibility of such damages.
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*
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* Sun Microsystems, Inc.
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* 2550 Garcia Avenue
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* Mountain View, California 94043
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*/
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#ifndef lint
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/*static char sccsid[] = "from: @(#)rpc_cout.c 1.8 87/06/24 (C) 1987 SMI";*/
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static char rcsid[] = "$Id: rpc_cout.c,v 1.1 1993/09/13 23:20:13 jtc Exp $";
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#endif
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/*
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* rpc_cout.c, XDR routine outputter for the RPC protocol compiler
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* Copyright (C) 1987, Sun Microsystems, Inc.
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*/
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#include <stdio.h>
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#include <strings.h>
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#include "rpc_util.h"
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#include "rpc_parse.h"
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static int print_header(), print_trailer(), space(), emit_enum(),
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emit_union(), emit_struct(), emit_typedef(), print_stat();
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/*
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* Emit the C-routine for the given definition
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*/
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void
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emit(def)
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definition *def;
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{
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if (def->def_kind == DEF_PROGRAM || def->def_kind == DEF_CONST) {
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return;
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}
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print_header(def);
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switch (def->def_kind) {
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case DEF_UNION:
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emit_union(def);
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break;
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case DEF_ENUM:
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emit_enum(def);
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break;
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case DEF_STRUCT:
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emit_struct(def);
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break;
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case DEF_TYPEDEF:
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emit_typedef(def);
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break;
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}
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print_trailer();
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}
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static
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findtype(def, type)
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definition *def;
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char *type;
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{
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if (def->def_kind == DEF_PROGRAM || def->def_kind == DEF_CONST) {
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return (0);
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} else {
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return (streq(def->def_name, type));
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}
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}
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static
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undefined(type)
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char *type;
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{
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definition *def;
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def = (definition *) FINDVAL(defined, type, findtype);
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return (def == NULL);
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}
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static
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print_header(def)
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definition *def;
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{
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space();
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f_print(fout, "bool_t\n");
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f_print(fout, "xdr_%s(xdrs, objp)\n", def->def_name);
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f_print(fout, "\tXDR *xdrs;\n");
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f_print(fout, "\t%s ", def->def_name);
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if (def->def_kind != DEF_TYPEDEF ||
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!isvectordef(def->def.ty.old_type, def->def.ty.rel)) {
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f_print(fout, "*");
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}
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f_print(fout, "objp;\n");
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f_print(fout, "{\n");
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}
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static
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print_trailer()
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{
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f_print(fout, "\treturn (TRUE);\n");
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f_print(fout, "}\n");
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space();
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}
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static
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print_ifopen(indent, name)
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int indent;
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char *name;
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{
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tabify(fout, indent);
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f_print(fout, "if (!xdr_%s(xdrs", name);
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}
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static
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print_ifarg(arg)
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char *arg;
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{
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f_print(fout, ", %s", arg);
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}
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static
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print_ifsizeof(prefix, type)
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char *prefix;
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char *type;
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{
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if (streq(type, "bool")) {
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f_print(fout, ", sizeof(bool_t), xdr_bool");
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} else {
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f_print(fout, ", sizeof(");
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if (undefined(type) && prefix) {
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f_print(fout, "%s ", prefix);
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}
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f_print(fout, "%s), xdr_%s", type, type);
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}
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}
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static
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print_ifclose(indent)
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int indent;
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{
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f_print(fout, ")) {\n");
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tabify(fout, indent);
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f_print(fout, "\treturn (FALSE);\n");
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tabify(fout, indent);
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f_print(fout, "}\n");
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}
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static
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space()
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{
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f_print(fout, "\n\n");
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}
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static
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print_ifstat(indent, prefix, type, rel, amax, objname, name)
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int indent;
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char *prefix;
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char *type;
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relation rel;
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char *amax;
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char *objname;
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char *name;
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{
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char *alt = NULL;
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switch (rel) {
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case REL_POINTER:
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print_ifopen(indent, "pointer");
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print_ifarg("(char **)");
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f_print(fout, "%s", objname);
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print_ifsizeof(prefix, type);
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break;
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case REL_VECTOR:
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if (streq(type, "string")) {
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alt = "string";
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} else if (streq(type, "opaque")) {
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alt = "opaque";
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}
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if (alt) {
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print_ifopen(indent, alt);
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print_ifarg(objname);
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} else {
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print_ifopen(indent, "vector");
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print_ifarg("(char *)");
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f_print(fout, "%s", objname);
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}
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print_ifarg(amax);
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if (!alt) {
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print_ifsizeof(prefix, type);
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}
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break;
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case REL_ARRAY:
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if (streq(type, "string")) {
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alt = "string";
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} else if (streq(type, "opaque")) {
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alt = "bytes";
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}
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if (streq(type, "string")) {
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print_ifopen(indent, alt);
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print_ifarg(objname);
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} else {
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if (alt) {
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print_ifopen(indent, alt);
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} else {
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print_ifopen(indent, "array");
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}
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print_ifarg("(char **)");
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if (*objname == '&') {
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f_print(fout, "%s.%s_val, (u_int *)%s.%s_len",
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objname, name, objname, name);
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} else {
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f_print(fout, "&%s->%s_val, (u_int *)&%s->%s_len",
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objname, name, objname, name);
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}
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}
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print_ifarg(amax);
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if (!alt) {
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print_ifsizeof(prefix, type);
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}
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break;
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case REL_ALIAS:
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print_ifopen(indent, type);
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print_ifarg(objname);
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break;
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}
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print_ifclose(indent);
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}
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/* ARGSUSED */
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static
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emit_enum(def)
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definition *def;
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{
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print_ifopen(1, "enum");
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print_ifarg("(enum_t *)objp");
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print_ifclose(1);
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}
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static
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emit_union(def)
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definition *def;
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{
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declaration *dflt;
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case_list *cl;
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declaration *cs;
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char *object;
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char *format = "&objp->%s_u.%s";
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print_stat(&def->def.un.enum_decl);
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f_print(fout, "\tswitch (objp->%s) {\n", def->def.un.enum_decl.name);
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for (cl = def->def.un.cases; cl != NULL; cl = cl->next) {
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cs = &cl->case_decl;
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f_print(fout, "\tcase %s:\n", cl->case_name);
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if (!streq(cs->type, "void")) {
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object = alloc(strlen(def->def_name) + strlen(format) +
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strlen(cs->name) + 1);
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s_print(object, format, def->def_name, cs->name);
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print_ifstat(2, cs->prefix, cs->type, cs->rel, cs->array_max,
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object, cs->name);
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free(object);
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}
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f_print(fout, "\t\tbreak;\n");
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}
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dflt = def->def.un.default_decl;
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if (dflt != NULL) {
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if (!streq(dflt->type, "void")) {
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f_print(fout, "\tdefault:\n");
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object = alloc(strlen(def->def_name) + strlen(format) +
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strlen(dflt->name) + 1);
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s_print(object, format, def->def_name, dflt->name);
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print_ifstat(2, dflt->prefix, dflt->type, dflt->rel,
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dflt->array_max, object, dflt->name);
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free(object);
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f_print(fout, "\t\tbreak;\n");
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}
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} else {
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f_print(fout, "\tdefault:\n");
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f_print(fout, "\t\treturn (FALSE);\n");
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}
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f_print(fout, "\t}\n");
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}
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static
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emit_struct(def)
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definition *def;
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{
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decl_list *dl;
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for (dl = def->def.st.decls; dl != NULL; dl = dl->next) {
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print_stat(&dl->decl);
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}
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}
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static
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emit_typedef(def)
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definition *def;
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{
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char *prefix = def->def.ty.old_prefix;
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char *type = def->def.ty.old_type;
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char *amax = def->def.ty.array_max;
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relation rel = def->def.ty.rel;
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print_ifstat(1, prefix, type, rel, amax, "objp", def->def_name);
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}
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static
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print_stat(dec)
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declaration *dec;
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{
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char *prefix = dec->prefix;
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char *type = dec->type;
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char *amax = dec->array_max;
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relation rel = dec->rel;
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char name[256];
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if (isvectordef(type, rel)) {
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s_print(name, "objp->%s", dec->name);
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} else {
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s_print(name, "&objp->%s", dec->name);
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}
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print_ifstat(1, prefix, type, rel, amax, name, dec->name);
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}
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