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rpc_tblout.c revision 1.5 
      1 /*	$NetBSD: rpc_tblout.c,v 1.5 1997/10/11 22:16:45 mycroft 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 #include <sys/cdefs.h>
     33 #ifndef lint
     34 #if 0
     35 static char sccsid[] = "@(#)rpc_tblout.c 1.4 89/02/22 (C) 1988 SMI";
     36 #else
     37 __RCSID("$NetBSD: rpc_tblout.c,v 1.5 1997/10/11 22:16:45 mycroft Exp $");
     38 #endif
     39 #endif
     40 
     41 /*
     42  * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
     43  */
     44 #include <stdio.h>
     45 #include <string.h>
     46 #include <stdlib.h>
     47 #include "rpc_scan.h"
     48 #include "rpc_parse.h"
     49 #include "rpc_util.h"
     50 
     51 #define TABSIZE		8
     52 #define TABCOUNT	5
     53 #define TABSTOP		(TABSIZE*TABCOUNT)
     54 
     55 static char tabstr[TABCOUNT+1] = "\t\t\t\t\t";
     56 
     57 static char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
     58 static char tbl_end[] = "};\n";
     59 
     60 static char null_entry[] = "\t(char *(*)())0,\n\
     61  \t(xdrproc_t) xdr_void,\t\t0,\n\
     62  \t(xdrproc_t) xdr_void,\t\t0,\n";
     63 
     64 static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n";
     65 
     66 static void write_table __P((definition *));
     67 static void printit __P((char *, char *));
     68 
     69 void
     70 write_tables()
     71 {
     72 	list *l;
     73 	definition *def;
     74 
     75 	f_print(fout, "\n");
     76 	for (l = defined; l != NULL; l = l->next) {
     77 		def = (definition *) l->val;
     78 		if (def->def_kind == DEF_PROGRAM) {
     79 			write_table(def);
     80 		}
     81 	}
     82 }
     83 
     84 static void
     85 write_table(def)
     86 	definition *def;
     87 {
     88 	version_list *vp;
     89 	proc_list *proc;
     90 	int current;
     91 	int expected;
     92 	char progvers[100];
     93 	int warning;
     94 
     95 	for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
     96 		warning = 0;
     97 		s_print(progvers, "%s_%s",
     98 		    locase(def->def_name), vp->vers_num);
     99 		/* print the table header */
    100 		f_print(fout, tbl_hdr, progvers);
    101 
    102 		if (nullproc(vp->procs)) {
    103 			expected = 0;
    104 		} else {
    105 			expected = 1;
    106 			f_print(fout, null_entry);
    107 		}
    108 		for (proc = vp->procs; proc != NULL; proc = proc->next) {
    109 			if (expected != 0)
    110 				f_print(fout, "\n");
    111 			current = atoi(proc->proc_num);
    112 			if (current != expected++) {
    113 				f_print(fout,
    114 			"/*\n * WARNING: table out of order\n */\n\n");
    115 				if (warning == 0) {
    116 					f_print(stderr,
    117 				    "WARNING %s table is out of order\n",
    118 					    progvers);
    119 					warning = 1;
    120 					nonfatalerrors = 1;
    121 				}
    122 				expected = current + 1;
    123 			}
    124 			f_print(fout, "\t(char *(*)())RPCGEN_ACTION(");
    125 
    126 			/* routine to invoke */
    127 			if ( !newstyle)
    128 			  pvname_svc(proc->proc_name, vp->vers_num);
    129 			else {
    130 			  if( newstyle )
    131 			    f_print( fout, "_");   /* calls internal func */
    132 			  pvname(proc->proc_name, vp->vers_num);
    133 			}
    134 			f_print(fout, "),\n");
    135 
    136 			/* argument info */
    137 			if( proc->arg_num > 1 )
    138 			  printit((char*) NULL, proc->args.argname );
    139 			else
    140 			  /* do we have to do something special for newstyle */
    141 			  printit( proc->args.decls->decl.prefix,
    142 				  proc->args.decls->decl.type );
    143 			/* result info */
    144 			printit(proc->res_prefix, proc->res_type);
    145 		}
    146 
    147 		/* print the table trailer */
    148 		f_print(fout, tbl_end);
    149 		f_print(fout, tbl_nproc, progvers, progvers, progvers);
    150 	}
    151 }
    152 
    153 static void
    154 printit(prefix, type)
    155 	char *prefix;
    156 	char *type;
    157 {
    158 	int len;
    159 	int tabs;
    160 
    161 
    162  	len = fprintf(fout, "\txdr_%s,", stringfix(type));
    163 	/* account for leading tab expansion */
    164 	len += TABSIZE - 1;
    165 	/* round up to tabs required */
    166 	tabs = (TABSTOP - len + TABSIZE - 1)/TABSIZE;
    167 	f_print(fout, "%s", &tabstr[TABCOUNT-tabs]);
    168 
    169 	if (streq(type, "void")) {
    170 		f_print(fout, "0");
    171 	} else {
    172 		f_print(fout, "sizeof ( ");
    173 		/* XXX: should "follow" be 1 ??? */
    174 		ptype(prefix, type, 0);
    175 		f_print(fout, ")");
    176 	}
    177 	f_print(fout, ",\n");
    178 }
    179