374 lines
8.1 KiB
C
374 lines
8.1 KiB
C
/* @(#)rpc_hout.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[] = "@(#)rpc_hout.c 1.6 87/07/28 (C) 1987 SMI";
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#endif
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static int pconstdef(), pstructdef(), puniondef(), pdefine(), pprogramdef(),
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penumdef(), ptypedef(), pdeclaration(), undefined2();
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/*
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* rpc_hout.c, Header file 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 <ctype.h>
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#include "rpc_util.h"
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#include "rpc_parse.h"
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/*
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* Print the C-version of an xdr definition
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*/
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void
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print_datadef(def)
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definition *def;
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{
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if (def->def_kind != DEF_CONST) {
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f_print(fout, "\n");
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}
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switch (def->def_kind) {
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case DEF_STRUCT:
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pstructdef(def);
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break;
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case DEF_UNION:
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puniondef(def);
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break;
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case DEF_ENUM:
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penumdef(def);
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break;
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case DEF_TYPEDEF:
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ptypedef(def);
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break;
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case DEF_PROGRAM:
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pprogramdef(def);
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break;
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case DEF_CONST:
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pconstdef(def);
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break;
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}
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if (def->def_kind != DEF_PROGRAM && def->def_kind != DEF_CONST) {
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f_print(fout, "bool_t xdr_%s();\n", def->def_name);
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}
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if (def->def_kind != DEF_CONST) {
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f_print(fout, "\n");
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}
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}
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static
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pconstdef(def)
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definition *def;
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{
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pdefine(def->def_name, def->def.co);
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}
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static
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pstructdef(def)
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definition *def;
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{
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decl_list *l;
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char *name = def->def_name;
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f_print(fout, "struct %s {\n", name);
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for (l = def->def.st.decls; l != NULL; l = l->next) {
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pdeclaration(name, &l->decl, 1);
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}
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f_print(fout, "};\n");
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f_print(fout, "typedef struct %s %s;\n", name, name);
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}
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static
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puniondef(def)
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definition *def;
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{
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case_list *l;
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char *name = def->def_name;
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declaration *decl;
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f_print(fout, "struct %s {\n", name);
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decl = &def->def.un.enum_decl;
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if (streq(decl->type, "bool")) {
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f_print(fout, "\tbool_t %s;\n", decl->name);
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} else {
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f_print(fout, "\t%s %s;\n", decl->type, decl->name);
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}
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f_print(fout, "\tunion {\n");
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for (l = def->def.un.cases; l != NULL; l = l->next) {
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pdeclaration(name, &l->case_decl, 2);
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}
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decl = def->def.un.default_decl;
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if (decl && !streq(decl->type, "void")) {
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pdeclaration(name, decl, 2);
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}
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f_print(fout, "\t} %s_u;\n", name);
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f_print(fout, "};\n");
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f_print(fout, "typedef struct %s %s;\n", name, name);
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}
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static
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pdefine(name, num)
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char *name;
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char *num;
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{
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f_print(fout, "#define %s %s\n", name, num);
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}
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static
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puldefine(name, num)
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char *name;
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char *num;
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{
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f_print(fout, "#define %s ((u_long)%s)\n", name, num);
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}
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static
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define_printed(stop, start)
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proc_list *stop;
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version_list *start;
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{
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version_list *vers;
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proc_list *proc;
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for (vers = start; vers != NULL; vers = vers->next) {
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for (proc = vers->procs; proc != NULL; proc = proc->next) {
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if (proc == stop) {
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return (0);
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} else if (streq(proc->proc_name, stop->proc_name)) {
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return (1);
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}
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}
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}
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abort();
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/* NOTREACHED */
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}
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static
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pprogramdef(def)
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definition *def;
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{
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version_list *vers;
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proc_list *proc;
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puldefine(def->def_name, def->def.pr.prog_num);
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for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) {
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puldefine(vers->vers_name, vers->vers_num);
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for (proc = vers->procs; proc != NULL; proc = proc->next) {
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if (!define_printed(proc, def->def.pr.versions)) {
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puldefine(proc->proc_name, proc->proc_num);
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}
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pprocdef(proc, vers);
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}
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}
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}
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pprocdef(proc, vp)
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proc_list *proc;
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version_list *vp;
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{
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f_print(fout, "extern ");
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if (proc->res_prefix) {
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if (streq(proc->res_prefix, "enum")) {
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f_print(fout, "enum ");
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} else {
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f_print(fout, "struct ");
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}
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}
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if (streq(proc->res_type, "bool")) {
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f_print(fout, "bool_t *");
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} else if (streq(proc->res_type, "string")) {
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f_print(fout, "char **");
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} else {
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f_print(fout, "%s *", fixtype(proc->res_type));
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}
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pvname(proc->proc_name, vp->vers_num);
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f_print(fout, "();\n");
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}
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static
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penumdef(def)
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definition *def;
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{
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char *name = def->def_name;
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enumval_list *l;
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char *last = NULL;
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int count = 0;
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f_print(fout, "enum %s {\n", name);
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for (l = def->def.en.vals; l != NULL; l = l->next) {
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f_print(fout, "\t%s", l->name);
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if (l->assignment) {
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f_print(fout, " = %s", l->assignment);
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last = l->assignment;
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count = 1;
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} else {
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if (last == NULL) {
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f_print(fout, " = %d", count++);
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} else {
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f_print(fout, " = %s + %d", last, count++);
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}
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}
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f_print(fout, ",\n");
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}
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f_print(fout, "};\n");
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f_print(fout, "typedef enum %s %s;\n", name, name);
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}
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static
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ptypedef(def)
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definition *def;
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{
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char *name = def->def_name;
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char *old = def->def.ty.old_type;
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char prefix[8]; /* enough to contain "struct ", including NUL */
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relation rel = def->def.ty.rel;
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if (!streq(name, old)) {
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if (streq(old, "string")) {
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old = "char";
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rel = REL_POINTER;
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} else if (streq(old, "opaque")) {
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old = "char";
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} else if (streq(old, "bool")) {
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old = "bool_t";
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}
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if (undefined2(old, name) && def->def.ty.old_prefix) {
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s_print(prefix, "%s ", def->def.ty.old_prefix);
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} else {
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prefix[0] = 0;
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}
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f_print(fout, "typedef ");
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switch (rel) {
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case REL_ARRAY:
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f_print(fout, "struct {\n");
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f_print(fout, "\tu_int %s_len;\n", name);
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f_print(fout, "\t%s%s *%s_val;\n", prefix, old, name);
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f_print(fout, "} %s", name);
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break;
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case REL_POINTER:
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f_print(fout, "%s%s *%s", prefix, old, name);
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break;
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case REL_VECTOR:
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f_print(fout, "%s%s %s[%s]", prefix, old, name,
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def->def.ty.array_max);
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break;
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case REL_ALIAS:
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f_print(fout, "%s%s %s", prefix, old, name);
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break;
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}
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f_print(fout, ";\n");
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}
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}
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static
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pdeclaration(name, dec, tab)
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char *name;
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declaration *dec;
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int tab;
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{
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char buf[8]; /* enough to hold "struct ", include NUL */
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char *prefix;
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char *type;
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if (streq(dec->type, "void")) {
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return;
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}
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tabify(fout, tab);
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if (streq(dec->type, name) && !dec->prefix) {
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f_print(fout, "struct ");
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}
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if (streq(dec->type, "string")) {
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f_print(fout, "char *%s", dec->name);
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} else {
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prefix = "";
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if (streq(dec->type, "bool")) {
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type = "bool_t";
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} else if (streq(dec->type, "opaque")) {
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type = "char";
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} else {
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if (dec->prefix) {
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s_print(buf, "%s ", dec->prefix);
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prefix = buf;
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}
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type = dec->type;
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}
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switch (dec->rel) {
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case REL_ALIAS:
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f_print(fout, "%s%s %s", prefix, type, dec->name);
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break;
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case REL_VECTOR:
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f_print(fout, "%s%s %s[%s]", prefix, type, dec->name,
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dec->array_max);
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break;
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case REL_POINTER:
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f_print(fout, "%s%s *%s", prefix, type, dec->name);
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break;
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case REL_ARRAY:
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f_print(fout, "struct {\n");
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tabify(fout, tab);
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f_print(fout, "\tu_int %s_len;\n", dec->name);
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tabify(fout, tab);
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f_print(fout, "\t%s%s *%s_val;\n", prefix, type, dec->name);
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tabify(fout, tab);
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f_print(fout, "} %s", dec->name);
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break;
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}
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}
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f_print(fout, ";\n");
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}
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static
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undefined2(type, stop)
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char *type;
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char *stop;
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{
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list *l;
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definition *def;
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for (l = defined; l != NULL; l = l->next) {
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def = (definition *) l->val;
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if (def->def_kind != DEF_PROGRAM) {
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if (streq(def->def_name, stop)) {
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return (1);
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} else if (streq(def->def_name, type)) {
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return (0);
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}
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}
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}
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return (1);
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}
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