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rpc_tblout.c revision 1.3
      1 /*	$NetBSD: rpc_tblout.c,v 1.3 1995/06/24 15:00:15 pk Exp $	*/
      2 /*
      3  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
      4  * unrestricted use provided that this legend is included on all tape
      5  * media and as a part of the software program in whole or part.  Users
      6  * may copy or modify Sun RPC without charge, but are not authorized
      7  * to license or distribute it to anyone else except as part of a product or
      8  * program developed by the user or with the express written consent of
      9  * Sun Microsystems, Inc.
     10  *
     11  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
     12  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
     13  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
     14  *
     15  * Sun RPC is provided with no support and without any obligation on the
     16  * part of Sun Microsystems, Inc. to assist in its use, correction,
     17  * modification or enhancement.
     18  *
     19  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
     20  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
     21  * OR ANY PART THEREOF.
     22  *
     23  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
     24  * or profits or other special, indirect and consequential damages, even if
     25  * Sun has been advised of the possibility of such damages.
     26  *
     27  * Sun Microsystems, Inc.
     28  * 2550 Garcia Avenue
     29  * Mountain View, California  94043
     30  */
     31 
     32 #ifndef lint
     33 static char sccsid[] = "@(#)rpc_tblout.c 1.4 89/02/22 (C) 1988 SMI";
     34 #endif
     35 
     36 /*
     37  * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
     38  */
     39 #include <sys/cdefs.h>
     40 #include <stdio.h>
     41 #include <string.h>
     42 #include "rpc_parse.h"
     43 #include "rpc_util.h"
     44 
     45 #define TABSIZE		8
     46 #define TABCOUNT	5
     47 #define TABSTOP		(TABSIZE*TABCOUNT)
     48 
     49 static char tabstr[TABCOUNT+1] = "\t\t\t\t\t";
     50 
     51 static char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
     52 static char tbl_end[] = "};\n";
     53 
     54 static char null_entry[] = "\n\t(char *(*)())0,\n\
     55  \t(xdrproc_t) xdr_void,\t\t\t0,\n\
     56  \t(xdrproc_t) xdr_void,\t\t\t0,\n";
     57 
     58 static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";
     59 
     60 static write_table __P((definition *));
     61 static printit __P((char *, char *));
     62 
     63 void
     64 write_tables()
     65 {
     66 	list *l;
     67 	definition *def;
     68 
     69 	f_print(fout, "\n");
     70 	for (l = defined; l != NULL; l = l->next) {
     71 		def = (definition *) l->val;
     72 		if (def->def_kind == DEF_PROGRAM) {
     73 			write_table(def);
     74 		}
     75 	}
     76 }
     77 
     78 static
     79 write_table(def)
     80 	definition *def;
     81 {
     82 	version_list *vp;
     83 	proc_list *proc;
     84 	int current;
     85 	int expected;
     86 	char progvers[100];
     87 	int warning;
     88 
     89 	for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
     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 			expected = 0;
     98 		} else {
     99 			expected = 1;
    100 			f_print(fout, null_entry);
    101 		}
    102 		for (proc = vp->procs; proc != NULL; proc = proc->next) {
    103 			current = atoi(proc->proc_num);
    104 			if (current != expected++) {
    105 				f_print(fout,
    106 			"\n/*\n * WARNING: table out of order\n */\n");
    107 				if (warning == 0) {
    108 					f_print(stderr,
    109 				    "WARNING %s table is out of order\n",
    110 					    progvers);
    111 					warning = 1;
    112 					nonfatalerrors = 1;
    113 				}
    114 				expected = current + 1;
    115 			}
    116 			f_print(fout, "\n\t(char *(*)())RPCGEN_ACTION(");
    117 
    118 			/* routine to invoke */
    119 			if ( !newstyle)
    120 			  pvname_svc(proc->proc_name, vp->vers_num);
    121 			else {
    122 			  if( newstyle )
    123 			    f_print( fout, "_");   /* calls internal func */
    124 			  pvname(proc->proc_name, vp->vers_num);
    125 			}
    126 			f_print(fout, "),\n");
    127 
    128 			/* argument info */
    129 			if( proc->arg_num > 1 )
    130 			  printit((char*) NULL, proc->args.argname );
    131 			else
    132 			  /* do we have to do something special for newstyle */
    133 			  printit( proc->args.decls->decl.prefix,
    134 				  proc->args.decls->decl.type );
    135 			/* result info */
    136 			printit(proc->res_prefix, proc->res_type);
    137 		}
    138 
    139 		/* print the table trailer */
    140 		f_print(fout, tbl_end);
    141 		f_print(fout, tbl_nproc, progvers, progvers, progvers);
    142 	}
    143 }
    144 
    145 static
    146 printit(prefix, type)
    147 	char *prefix;
    148 	char *type;
    149 {
    150 	int len;
    151 	int tabs;
    152 
    153 
    154  	len = fprintf(fout, "\txdr_%s,", stringfix(type));
    155 	/* account for leading tab expansion */
    156 	len += TABSIZE - 1;
    157 	/* round up to tabs required */
    158 	tabs = (TABSTOP - len + TABSIZE - 1)/TABSIZE;
    159 	f_print(fout, "%s", &tabstr[TABCOUNT-tabs]);
    160 
    161 	if (streq(type, "void")) {
    162 		f_print(fout, "0");
    163 	} else {
    164 		f_print(fout, "sizeof ( ");
    165 		/* XXX: should "follow" be 1 ??? */
    166 		ptype(prefix, type, 0);
    167 		f_print(fout, ")");
    168 	}
    169 	f_print(fout, ",\n");
    170 }
    171