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607 lines
14 KiB
C
607 lines
14 KiB
C
/*
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* From: @(#)rpc_hout.c 1.12 89/02/22 (C) 1987 SMI
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* * Neither the name of Sun Microsystems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* rpc_hout.c, Header file outputter for the RPC protocol compiler
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*/
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#include <stdio.h>
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#include <ctype.h>
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#include "rpc_parse.h"
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#include "rpc_util.h"
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#include "proto.h"
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static void pconstdef (definition * def);
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static void pargdef (definition * def);
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static void pstructdef (definition * def);
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static void puniondef (definition * def);
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static void pdefine (const char *name, const char *num);
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static int define_printed (proc_list * stop, version_list * start);
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static void pprogramdef (definition * def);
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static void parglist (proc_list * proc, const char *addargtype);
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static void penumdef (definition * def);
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static void ptypedef (definition * def);
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static int undefined2 (const char *type, const char *stop);
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/* store away enough information to allow the XDR functions to be spat
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out at the end of the file */
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static void
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storexdrfuncdecl (const char *name, int pointerp)
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{
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xdrfunc * xdrptr;
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xdrptr = (xdrfunc *) malloc(sizeof (struct xdrfunc));
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xdrptr->name = (char *)name;
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xdrptr->pointerp = pointerp;
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xdrptr->next = NULL;
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if (xdrfunc_tail == NULL)
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{
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xdrfunc_head = xdrptr;
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xdrfunc_tail = xdrptr;
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}
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else
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{
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xdrfunc_tail->next = xdrptr;
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xdrfunc_tail = xdrptr;
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}
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}
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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 (definition *def)
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{
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if (def->def_kind == DEF_PROGRAM) /* handle data only */
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return;
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if (def->def_kind != DEF_CONST)
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{
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f_print (fout, "\n");
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}
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switch (def->def_kind)
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{
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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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{
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storexdrfuncdecl(def->def_name,
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def->def_kind != DEF_TYPEDEF ||
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!isvectordef(def->def.ty.old_type,
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def->def.ty.rel));
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}
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}
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void
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print_funcdef (definition *def)
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{
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switch (def->def_kind)
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{
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case DEF_PROGRAM:
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f_print (fout, "\n");
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pprogramdef (def);
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break;
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default:
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break;
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/* ?... shouldn't happen I guess */
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}
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}
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void
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print_xdr_func_def (char *name, int pointerp, int i)
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{
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if (i == 2)
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{
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f_print (fout, "extern bool_t xdr_%s ();\n", name);
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return;
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}
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else
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f_print(fout, "extern bool_t xdr_%s (XDR *, %s%s);\n", name,
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name, pointerp ? "*" : "");
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}
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static void
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pconstdef (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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/* print out the definitions for the arguments of functions in the
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header file
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*/
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static void
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pargdef (definition * def)
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{
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decl_list *l;
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version_list *vers;
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const char *name;
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proc_list *plist;
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for (vers = def->def.pr.versions; vers != NULL; vers = vers->next)
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{
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for (plist = vers->procs; plist != NULL;
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plist = plist->next)
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{
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if (!newstyle || plist->arg_num < 2)
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{
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continue; /* old style or single args */
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}
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name = plist->args.argname;
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f_print (fout, "struct %s {\n", name);
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for (l = plist->args.decls;
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l != NULL; l = l->next)
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{
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pdeclaration (name, &l->decl, 1, ";\n");
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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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storexdrfuncdecl (name, 1);
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f_print (fout, "\n");
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}
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}
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}
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static void
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pstructdef (definition *def)
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{
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decl_list *l;
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const 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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{
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pdeclaration (name, &l->decl, 1, ";\n");
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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 void
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puniondef (definition *def)
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{
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case_list *l;
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const 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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{
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f_print (fout, "\tbool_t %s;\n", decl->name);
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}
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else
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{
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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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{
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if (l->contflag == 0)
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pdeclaration (name, &l->case_decl, 2, ";\n");
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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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{
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pdeclaration (name, decl, 2, ";\n");
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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 void
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pdefine (const char *name, const 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 int
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define_printed (proc_list *stop, 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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{
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for (proc = vers->procs; proc != NULL; proc = proc->next)
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{
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if (proc == stop)
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{
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return 0;
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}
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else if (streq (proc->proc_name, stop->proc_name))
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{
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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 void
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pfreeprocdef (const char *name, const char *vers, int mode)
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{
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f_print (fout, "extern int ");
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pvname (name, vers);
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if (mode == 1)
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f_print (fout,"_freeresult (SVCXPRT *, xdrproc_t, caddr_t);\n");
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else
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f_print (fout,"_freeresult ();\n");
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}
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static void
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pprogramdef (definition *def)
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{
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version_list *vers;
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proc_list *proc;
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int i;
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const char *ext;
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pargdef (def);
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pdefine (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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{
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if (tblflag)
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{
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f_print (fout, "extern struct rpcgen_table %s_%s_table[];\n",
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locase (def->def_name), vers->vers_num);
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f_print (fout, "extern %s_%s_nproc;\n",
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locase (def->def_name), vers->vers_num);
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}
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pdefine (vers->vers_name, vers->vers_num);
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/*
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* Print out 2 definitions, one for ANSI-C, another for
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* old K & R C
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*/
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if(!Cflag)
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{
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ext = "extern ";
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for (proc = vers->procs; proc != NULL;
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proc = proc->next)
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{
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if (!define_printed(proc, def->def.pr.versions))
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{
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pdefine (proc->proc_name, proc->proc_num);
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}
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f_print (fout, "%s", ext);
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pprocdef (proc, vers, NULL, 0, 2);
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if (mtflag)
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{
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f_print(fout, "%s", ext);
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pprocdef (proc, vers, NULL, 1, 2);
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}
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}
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pfreeprocdef (def->def_name, vers->vers_num, 2);
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}
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else
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{
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for (i = 1; i < 3; i++)
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{
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if (i == 1)
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{
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f_print (fout, "\n#if defined(__STDC__) || defined(__cplusplus)\n");
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ext = "extern ";
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}
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else
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{
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f_print (fout, "\n#else /* K&R C */\n");
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ext = "extern ";
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}
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for (proc = vers->procs; proc != NULL; proc = proc->next)
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{
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if (!define_printed(proc, def->def.pr.versions))
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{
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pdefine(proc->proc_name, proc->proc_num);
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}
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f_print (fout, "%s", ext);
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pprocdef (proc, vers, "CLIENT *", 0, i);
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f_print (fout, "%s", ext);
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pprocdef (proc, vers, "struct svc_req *", 1, i);
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}
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pfreeprocdef (def->def_name, vers->vers_num, i);
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}
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f_print (fout, "#endif /* K&R C */\n");
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}
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}
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}
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void
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pprocdef (proc_list * proc, version_list * vp,
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const char *addargtype, int server_p, int mode)
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{
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if (mtflag)
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{/* Print MT style stubs */
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if (server_p)
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f_print (fout, "bool_t ");
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else
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f_print (fout, "enum clnt_stat ");
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}
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else
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{
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ptype (proc->res_prefix, proc->res_type, 1);
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f_print (fout, "* ");
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}
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if (server_p)
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pvname_svc (proc->proc_name, vp->vers_num);
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else
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pvname (proc->proc_name, vp->vers_num);
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/*
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* mode 1 = ANSI-C, mode 2 = K&R C
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*/
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if (mode == 1)
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parglist (proc, addargtype);
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else
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f_print (fout, "();\n");
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}
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/* print out argument list of procedure */
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static void
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parglist (proc_list *proc, const char *addargtype)
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{
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decl_list *dl;
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f_print(fout,"(");
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if (proc->arg_num < 2 && newstyle &&
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streq (proc->args.decls->decl.type, "void"))
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{
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/* 0 argument in new style: do nothing */
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}
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else
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{
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for (dl = proc->args.decls; dl != NULL; dl = dl->next)
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{
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ptype (dl->decl.prefix, dl->decl.type, 1);
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if (!newstyle)
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f_print (fout, "*"); /* old style passes by reference */
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f_print (fout, ", ");
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}
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}
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if (mtflag)
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{
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ptype(proc->res_prefix, proc->res_type, 1);
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f_print(fout, "*, ");
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}
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f_print (fout, "%s);\n", addargtype);
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}
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static void
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penumdef (definition *def)
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{
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const char *name = def->def_name;
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enumval_list *l;
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const 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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{
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f_print (fout, "\t%s", l->name);
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if (l->assignment)
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{
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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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}
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else
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{
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if (last == NULL)
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{
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f_print (fout, " = %d", count++);
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}
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else
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{
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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 void
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ptypedef (definition *def)
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{
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const char *name = def->def_name;
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const 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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{
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if (streq (old, "string"))
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{
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old = "char";
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rel = REL_POINTER;
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}
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else if (streq (old, "opaque"))
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{
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old = "char";
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}
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else if (streq (old, "bool"))
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{
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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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{
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s_print (prefix, "%s ", def->def.ty.old_prefix);
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}
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else
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{
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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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{
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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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void
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pdeclaration (const char *name, declaration * dec, int tab,
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const char *separator)
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{
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char buf[8]; /* enough to hold "struct ", include NUL */
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const char *prefix;
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const char *type;
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if (streq (dec->type, "void"))
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{
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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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{
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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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{
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f_print (fout, "char *%s", dec->name);
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}
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else
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{
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prefix = "";
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if (streq (dec->type, "bool"))
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{
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type = "bool_t";
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}
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else if (streq (dec->type, "opaque"))
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{
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type = "char";
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}
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else
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{
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if (dec->prefix)
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{
|
|
s_print (buf, "%s ", dec->prefix);
|
|
prefix = buf;
|
|
}
|
|
type = dec->type;
|
|
}
|
|
switch (dec->rel)
|
|
{
|
|
case REL_ALIAS:
|
|
f_print (fout, "%s%s %s", prefix, type, dec->name);
|
|
break;
|
|
case REL_VECTOR:
|
|
f_print (fout, "%s%s %s[%s]", prefix, type, dec->name,
|
|
dec->array_max);
|
|
break;
|
|
case REL_POINTER:
|
|
f_print (fout, "%s%s *%s", prefix, type, dec->name);
|
|
break;
|
|
case REL_ARRAY:
|
|
f_print (fout, "struct {\n");
|
|
tabify (fout, tab);
|
|
f_print (fout, "\tu_int %s_len;\n", dec->name);
|
|
tabify (fout, tab);
|
|
f_print (fout, "\t%s%s *%s_val;\n", prefix, type, dec->name);
|
|
tabify (fout, tab);
|
|
f_print (fout, "} %s", dec->name);
|
|
break;
|
|
}
|
|
}
|
|
f_print (fout, separator);
|
|
}
|
|
|
|
static int
|
|
undefined2 (const char *type, const char *stop)
|
|
{
|
|
list *l;
|
|
definition *def;
|
|
|
|
for (l = defined; l != NULL; l = l->next)
|
|
{
|
|
def = (definition *) l->val;
|
|
if (def->def_kind != DEF_PROGRAM)
|
|
{
|
|
if (streq (def->def_name, stop))
|
|
{
|
|
return 1;
|
|
}
|
|
else if (streq (def->def_name, type))
|
|
{
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
return 1;
|
|
}
|