1 /* 2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 3 * unrestricted use provided that this legend is included on all tape 4 * media and as a part of the software program in whole or part. Users 5 * may copy or modify Sun RPC without charge, but are not authorized 6 * to license or distribute it to anyone else except as part of a product or 7 * program developed by the user. 8 * 9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 12 * 13 * Sun RPC is provided with no support and without any obligation on the 14 * part of Sun Microsystems, Inc. to assist in its use, correction, 15 * modification or enhancement. 16 * 17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 19 * OR ANY PART THEREOF. 20 * 21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 22 * or profits or other special, indirect and consequential damages, even if 23 * Sun has been advised of the possibility of such damages. 24 * 25 * Sun Microsystems, Inc. 26 * 2550 Garcia Avenue 27 * Mountain View, California 94043 28 */ 29 30 /* 31 * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler 32 * Copyright (C) 1989, Sun Microsystems, Inc. 33 */ 34 #include <err.h> 35 #include <stdio.h> 36 #include <string.h> 37 #include "rpc_parse.h" 38 #include "rpc_scan.h" 39 #include "rpc_util.h" 40 41 #define TABSIZE 8 42 #define TABCOUNT 5 43 #define TABSTOP (TABSIZE*TABCOUNT) 44 45 static char tabstr[TABCOUNT+1] = "\t\t\t\t\t"; 46 47 static char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n"; 48 static char tbl_end[] = "};\n"; 49 50 static char null_entry[] = "\n\t(char *(*)())0,\n\ 51 \t(xdrproc_t) xdr_void,\t\t\t0,\n\ 52 \t(xdrproc_t) xdr_void,\t\t\t0,\n"; 53 54 55 static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)/sizeof(%s_table[0]);\n\n"; 56 57 static void write_table( definition * ); 58 static void printit(const char *, const char *); 59 60 void 61 write_tables(void) 62 { 63 list *l; 64 definition *def; 65 66 f_print(fout, "\n"); 67 for (l = defined; l != NULL; l = l->next) { 68 def = (definition *) l->val; 69 if (def->def_kind == DEF_PROGRAM) { 70 write_table(def); 71 } 72 } 73 } 74 75 static void 76 write_table(definition *def) 77 { 78 version_list *vp; 79 proc_list *proc; 80 int current; 81 int expected; 82 char progvers[100]; 83 int warning; 84 85 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 86 warning = 0; 87 s_print(progvers, "%s_%s", 88 locase(def->def_name), vp->vers_num); 89 /* print the table header */ 90 f_print(fout, tbl_hdr, progvers); 91 92 if (nullproc(vp->procs)) { 93 expected = 0; 94 } else { 95 expected = 1; 96 fputs(null_entry, fout); 97 } 98 for (proc = vp->procs; proc != NULL; proc = proc->next) { 99 current = atoi(proc->proc_num); 100 if (current != expected++) { 101 f_print(fout, 102 "\n/*\n * WARNING: table out of order\n */\n"); 103 if (warning == 0) { 104 warnx("WARNING %s table is out of order", progvers); 105 warning = 1; 106 nonfatalerrors = 1; 107 } 108 expected = current + 1; 109 } 110 f_print(fout, "\n\t(char *(*)())RPCGEN_ACTION("); 111 112 /* routine to invoke */ 113 if( !newstyle ) 114 pvname_svc(proc->proc_name, vp->vers_num); 115 else { 116 if( newstyle ) 117 f_print( fout, "_"); /* calls internal func */ 118 pvname(proc->proc_name, vp->vers_num); 119 } 120 f_print(fout, "),\n"); 121 122 /* argument info */ 123 if( proc->arg_num > 1 ) 124 printit((char*) NULL, proc->args.argname ); 125 else 126 /* do we have to do something special for newstyle */ 127 printit( proc->args.decls->decl.prefix, 128 proc->args.decls->decl.type ); 129 /* result info */ 130 printit(proc->res_prefix, proc->res_type); 131 } 132 133 /* print the table trailer */ 134 fputs(tbl_end, fout); 135 f_print(fout, tbl_nproc, progvers, progvers, progvers); 136 } 137 } 138 139 static void 140 printit(const char *prefix, const char *type) 141 { 142 int len; 143 int tabs; 144 145 146 len = fprintf(fout, "\txdr_%s,", stringfix(type)); 147 /* account for leading tab expansion */ 148 len += TABSIZE - 1; 149 /* round up to tabs required */ 150 tabs = (TABSTOP - len + TABSIZE - 1)/TABSIZE; 151 f_print(fout, "%s", &tabstr[TABCOUNT-tabs]); 152 153 if (streq(type, "void")) { 154 f_print(fout, "0"); 155 } else { 156 f_print(fout, "sizeof ( "); 157 /* XXX: should "follow" be 1 ??? */ 158 ptype(prefix, type, 0); 159 f_print(fout, ")"); 160 } 161 f_print(fout, ",\n"); 162 } 163