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- /*
- * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
- * unrestricted use provided that this legend is included on all tape
- * media and as a part of the software program in whole or part. Users
- * may copy or modify Sun RPC without charge, but are not authorized
- * to license or distribute it to anyone else except as part of a product or
- * program developed by the user or with the express written consent of
- * Sun Microsystems, Inc.
- *
- * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
- * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
- *
- * Sun RPC is provided with no support and without any obligation on the
- * part of Sun Microsystems, Inc. to assist in its use, correction,
- * modification or enhancement.
- *
- * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
- * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
- * OR ANY PART THEREOF.
- *
- * In no event will Sun Microsystems, Inc. be liable for any lost revenue
- * or profits or other special, indirect and consequential damages, even if
- * Sun has been advised of the possibility of such damages.
- *
- * Sun Microsystems, Inc.
- * 2550 Garcia Avenue
- * Mountain View, California 94043
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)rpc_cout.c 1.13 89/02/22 (C) 1987 SMI";
- #endif
-
- /*
- * rpc_cout.c, XDR routine outputter for the RPC protocol compiler
- */
- #include <stdio.h>
- #include <string.h>
- #include "rpc_parse.h"
- #include "rpc_util.h"
-
- #ifdef amigados
- #include <ctype.h>
- #undef toupper
- #endif
-
- #ifdef __STDC__
- #include "rpc_scan.h"
- #include "protos.h"
-
- void emit ( definition *def );
- static int findtype ( definition *def , char *type );
- static int undefined ( char *type );
- static void print_generic_header ( char *procname , int pointerp );
- static void print_header ( definition *def );
- static void print_prog_header ( proc_list *plist );
- static void print_trailer ( void );
- static void print_ifopen ( int indent , char *name );
- static void print_ifarg ( char *arg );
- static void print_ifsizeof ( char *prefix , char *type );
- static void print_ifclose ( int indent );
- static void print_ifstat ( int indent , char *prefix , char *type , relation rel , char *amax , char *objname , char *name );
- static void emit_enum ( definition *def );
- static void emit_program ( definition *def );
- static void emit_union ( definition *def );
- static void emit_struct ( definition *def );
- static void emit_typedef ( definition *def );
- static void print_stat ( int indent , declaration *dec );
- void emit_inline ( declaration *decl , int flag );
- void emit_single_in_line ( declaration *decl , int flag , relation rel );
- char *upcase ( char *str );
- #endif
-
- /*
- * Emit the C-routine for the given definition
- */
- void
- emit(definition *def)
- {
- if (def->def_kind == DEF_CONST) {
- return;
- }
- if (def->def_kind == DEF_PROGRAM) {
- emit_program(def);
- return;
- }
- if(def->def_kind == DEF_TYPEDEF)
- {
- /* now we need to handle declarations like
- struct typedef foo foo;
- since we dont want this to be expanded into 2 calls to xdr_foo */
-
- if(strcmp(def->def.ty.old_type,def->def_name)==0)
- return;
- };
-
- print_header(def);
- switch (def->def_kind) {
- case DEF_UNION:
- emit_union(def);
- break;
- case DEF_ENUM:
- emit_enum(def);
- break;
- case DEF_STRUCT:
- emit_struct(def);
- break;
- case DEF_TYPEDEF:
- emit_typedef(def);
- break;
- }
- print_trailer();
- }
-
- static int
- findtype(definition *def, char *type)
- {
-
- if (def->def_kind == DEF_PROGRAM || def->def_kind == DEF_CONST) {
- return (0);
- } else {
- return (streq(def->def_name, type));
- }
- }
-
- static int
- undefined(char *type)
- {
- definition *def;
-
- def = (definition *) FINDVAL(defined, type, findtype);
-
-
- return (def == NULL);
- }
-
- static void
- print_generic_header(char* procname, int pointerp)
- {
- f_print(fout, "\n");
- #ifdef amigados
- f_print(fout, "bool_t XDRFUN\n");
- #else
- f_print(fout, "bool_t\n");
- #endif
- if (Cflag) {
- f_print(fout, "xdr_%s(", procname);
- f_print(fout, "XDR *xdrs, ");
- f_print(fout, "%s ", procname);
- if( pointerp )
- f_print(fout, "*");
- f_print(fout, "objp)\n{\n\n");
- } else {
- f_print(fout, "xdr_%s(xdrs, objp)\n", procname);
- f_print(fout, "\tXDR *xdrs;\n");
- f_print(fout, "\t%s ", procname);
- if( pointerp )
- f_print(fout, "*");
- f_print(fout, "objp;\n{\n\n");
- }
- }
-
- static void
- print_header(definition *def)
- {
- #ifndef amigados
- decl_list *dl;
- bas_type *ptr;
- int i;
- #endif
-
- print_generic_header( def->def_name,
- def->def_kind != DEF_TYPEDEF ||
- !isvectordef(def->def.ty.old_type, def->def.ty.rel));
-
- /* Now add Inline support */
-
-
- if(inline == 0 )
- return;
- /*May cause lint to complain. but ... */
- f_print(fout, "\t register long *buf;\n\n");
-
- }
-
- static void
- print_prog_header(proc_list *plist)
- {
- print_generic_header( plist->args.argname, 1 );
- }
-
- static void
- print_trailer(void)
- {
- f_print(fout, "\treturn (TRUE);\n");
- f_print(fout, "}\n");
- }
-
- static void
- print_ifopen(int indent, char *name)
- {
- tabify(fout, indent);
- f_print(fout, " if (!xdr_%s(xdrs", name);
- }
-
- static void
- print_ifarg(char *arg)
- {
- f_print(fout, ", %s", arg);
- }
-
- static void
- print_ifsizeof(char *prefix, char *type)
- {
- if (streq(type, "bool")) {
- f_print(fout, ", sizeof(bool_t), (xdrproc_t)xdr_bool");
- } else {
- f_print(fout, ", sizeof(");
- if (undefined(type) && prefix) {
- f_print(fout, "%s ", prefix);
- }
- f_print(fout, "%s), (xdrproc_t)xdr_%s", type, type);
- }
- }
-
- static void
- print_ifclose(int indent)
- {
- f_print(fout, ")) {\n");
- tabify(fout, indent);
- f_print(fout, "\t return (FALSE);\n");
- tabify(fout, indent);
- f_print(fout, " }\n");
- }
-
- static void
- print_ifstat(int indent,
- char *prefix,
- char *type,
- relation rel,
- char *amax,
- char *objname,
- char *name)
- {
- char *alt = NULL;
-
- switch (rel) {
- case REL_POINTER:
- print_ifopen(indent, "pointer");
- print_ifarg("(char **)");
- f_print(fout, "%s", objname);
- print_ifsizeof(prefix, type);
- break;
- case REL_VECTOR:
- if (streq(type, "string")) {
- alt = "string";
- } else if (streq(type, "opaque")) {
- alt = "opaque";
- }
- if (alt) {
- print_ifopen(indent, alt);
- print_ifarg(objname);
- } else {
- print_ifopen(indent, "vector");
- print_ifarg("(char *)");
- f_print(fout, "%s", objname);
- }
- print_ifarg(amax);
- if (!alt) {
- print_ifsizeof(prefix, type);
- }
- break;
- case REL_ARRAY:
- if (streq(type, "string")) {
- alt = "string";
- } else if (streq(type, "opaque")) {
- alt = "bytes";
- }
- if (streq(type, "string")) {
- print_ifopen(indent, alt);
- print_ifarg(objname);
- } else {
- if (alt) {
- print_ifopen(indent, alt);
- } else {
- print_ifopen(indent, "array");
- }
- print_ifarg("(char **)");
- if (*objname == '&') {
- f_print(fout, "%s.%s_val, (u_int *)%s.%s_len",
- objname, name, objname, name);
- } else {
- f_print(fout, "&%s->%s_val, (u_int *)&%s->%s_len",
- objname, name, objname, name);
- }
- }
- print_ifarg(amax);
- if (!alt) {
- print_ifsizeof(prefix, type);
- }
- break;
- case REL_ALIAS:
- print_ifopen(indent, type);
- print_ifarg(objname);
- break;
- }
- print_ifclose(indent);
- }
-
- /* ARGSUSED */
- static void
- emit_enum(definition *def)
- {
- print_ifopen(1, "enum");
- print_ifarg("(enum_t *)objp");
- print_ifclose(1);
- }
-
- static void
- emit_program(definition *def)
- {
- decl_list *dl;
- version_list *vlist;
- proc_list *plist;
-
- for (vlist = def->def.pr.versions; vlist != NULL;vlist = vlist->next)
- for(plist = vlist->procs; plist != NULL; plist = plist->next) {
- if (!newstyle || plist->arg_num < 2)
- continue; /* old style, or single argument */
- print_prog_header(plist);
- for (dl = plist->args.decls; dl != NULL;
- dl = dl->next)
- print_stat(1,&dl->decl);
- print_trailer();
- }
- }
-
-
- static void
- emit_union(definition *def)
- {
- declaration *dflt;
- case_list *cl;
- declaration *cs;
- char *object;
- char *vecformat = "objp->%s_u.%s";
- char *format = "&objp->%s_u.%s";
-
- print_stat(1,&def->def.un.enum_decl);
- f_print(fout, "\tswitch (objp->%s) {\n", def->def.un.enum_decl.name);
- for (cl = def->def.un.cases; cl != NULL; cl = cl->next) {
-
- f_print(fout, "\tcase %s:\n", cl->case_name);
- if(cl->contflag == 1) /* a continued case statement */
- continue;
- cs = &cl->case_decl;
- if (!streq(cs->type, "void")) {
- object = alloc(strlen(def->def_name) + strlen(format) +
- strlen(cs->name) + 1);
- if (isvectordef (cs->type, cs->rel)) {
- s_print(object, vecformat, def->def_name,
- cs->name);
- } else {
- s_print(object, format, def->def_name,
- cs->name);
- }
- print_ifstat(2, cs->prefix, cs->type, cs->rel, cs->array_max,
- object, cs->name);
- free(object);
- }
- f_print(fout, "\t\tbreak;\n");
- }
- dflt = def->def.un.default_decl;
- if (dflt != NULL) {
- if (!streq(dflt->type, "void")) {
- f_print(fout, "\tdefault:\n");
- object = alloc(strlen(def->def_name) + strlen(format) +
- strlen(dflt->name) + 1);
- if (isvectordef (dflt->type, dflt->rel)) {
- s_print(object, vecformat, def->def_name,
- dflt->name);
- } else {
- s_print(object, format, def->def_name,
- dflt->name);
- }
-
- print_ifstat(2, dflt->prefix, dflt->type, dflt->rel,
- dflt->array_max, object, dflt->name);
- free(object);
- f_print(fout, "\t\tbreak;\n");
- }
- #if defined(linux) || defined(amigados)
- else {
- f_print(fout, "\tdefault:\n");
- f_print(fout, "\t\tbreak;\n");
- }
- #endif
- } else {
- f_print(fout, "\tdefault:\n");
- f_print(fout, "\t\treturn (FALSE);\n");
- }
-
- f_print(fout, "\t}\n");
- }
-
- static void
- emit_struct(definition *def)
- {
- decl_list *dl;
- int i,j,size,flag;
- decl_list *cur,*psav;
- bas_type *ptr;
- char *sizestr,*plus;
- char ptemp[256];
- int can_inline;
-
-
- if(inline == 0) {
- for (dl = def->def.st.decls; dl != NULL; dl = dl->next)
- print_stat(1,&dl->decl);
- }
-
- else {
-
- for (dl = def->def.st.decls; dl != NULL; dl = dl->next)
- if(dl->decl.rel == REL_VECTOR){
- f_print(fout,"\t int i;\n");
- break;
- }
-
- size=0;can_inline=0;
- for (dl = def->def.st.decls; dl != NULL; dl = dl->next)
- if((dl->decl.prefix == NULL) && ((ptr=find_type(dl->decl.type))!= NULL) && ((dl->decl.rel == REL_ALIAS)||(dl->decl.rel == REL_VECTOR))){
-
- if(dl->decl.rel == REL_ALIAS)
- size+=ptr->length;
- else {
- can_inline=1;
- break; /* can be inlined */
- };
- }
- else {
- if(size >= inline){
- can_inline=1;
- break; /* can be inlined */
- }
- size=0;
- }
- if(size > inline)
- can_inline=1;
-
- if(can_inline == 0){ /* can not inline, drop back to old mode */
- for (dl = def->def.st.decls; dl != NULL; dl = dl->next)
- print_stat(1,&dl->decl);
- return;
- };
-
-
-
-
- flag=PUT;
- for(j=0; j<2; j++){
-
- if(flag == PUT)
- f_print(fout,"\n\t if (xdrs->x_op == XDR_ENCODE) {\n");
- else
- f_print(fout,"\n \t return (TRUE);\n\t} else if (xdrs->x_op == XDR_DECODE) {\n");
-
-
- i=0;
- size=0;
- sizestr=NULL;
- for (dl = def->def.st.decls; dl != NULL; dl = dl->next) { /* xxx */
-
- /* now walk down the list and check for basic types */
- if((dl->decl.prefix == NULL) && ((ptr=find_type(dl->decl.type))!= NULL) && ((dl->decl.rel == REL_ALIAS)||(dl->decl.rel == REL_VECTOR))){
- if(i ==0 )
- cur=dl;
- i++;
-
- if(dl->decl.rel == REL_ALIAS)
- size+=ptr->length;
- else {
- /* this is required to handle arrays */
-
- if(sizestr == NULL)
- plus = " ";
- else
- plus = "+";
-
- if(ptr->length != 1)
- s_print(ptemp," %s %s * %d",plus,dl->decl.array_max,ptr->length);
- else
- s_print(ptemp," %s %s ",plus,dl->decl.array_max);
-
- /*now concatenate to sizestr !!!! */
- if (sizestr == NULL)
- sizestr=strdup(ptemp);
- else{
- sizestr=realloc(sizestr,strlen(sizestr)+strlen(ptemp)+1);
- if(sizestr == NULL){
-
- f_print(stderr, "Fatal error : no memory \n");
- crash();
- };
- sizestr=strcat(sizestr,ptemp); /*build up length of array */
-
- }
- }
-
- }
- else{
- if(i > 0 )
- if(sizestr == NULL && size < inline){
- /* don't expand into inline code if size < inline */
- while(cur != dl){
- print_stat(1,&cur->decl);
- cur=cur->next;
- }
- }
- else{
-
-
-
- /* were already looking at a xdr_inlineable structure */
- if(sizestr == NULL)
- f_print(fout,"\t buf = XDR_INLINE(xdrs,%d * BYTES_PER_XDR_UNIT);",
- size);
- else
- if(size == 0)
- f_print(fout,
- "\t buf = XDR_INLINE(xdrs,%s * BYTES_PER_XDR_UNIT);",
- sizestr);
- else
- f_print(fout,
- "\t buf = XDR_INLINE(xdrs,(%d + %s)* BYTES_PER_XDR_UNIT);",
- size,sizestr);
-
- f_print(fout,"\n\t if (buf == NULL) {\n");
-
- psav=cur;
- while(cur != dl){
- print_stat(2,&cur->decl);
- cur=cur->next;
- }
-
- f_print(fout,"\n\t }\n\t else {\n");
-
- cur=psav;
- while(cur != dl){
- emit_inline(&cur->decl,flag);
- cur=cur->next;
- }
-
- f_print(fout,"\t }\n");
- }
- size=0;i=0;sizestr=NULL;
- print_stat(1,&dl->decl);
- }
-
- }
- if(i > 0 )
- if(sizestr == NULL && size < inline){
- /* don't expand into inline code if size < inline */
- while(cur != dl){
- print_stat(1,&cur->decl);
- cur=cur->next;
- }
- }
- else{
-
- /* were already looking at a xdr_inlineable structure */
- if(sizestr == NULL)
- f_print(fout,"\t\tbuf = XDR_INLINE(xdrs,%d * BYTES_PER_XDR_UNIT);",
- size);
- else
- if(size == 0)
- f_print(fout,
- "\t\tbuf = XDR_INLINE(xdrs,%s * BYTES_PER_XDR_UNIT);",
- sizestr);
- else
- f_print(fout,
- "\t\tbuf = XDR_INLINE(xdrs,(%d + %s)* BYTES_PER_XDR_UNIT);",
- size,sizestr);
-
- f_print(fout,"\n\t\tif (buf == NULL) {\n");
-
- psav=cur;
- while(cur != NULL){
- print_stat(2,&cur->decl);
- cur=cur->next;
- }
- f_print(fout,"\n\t }\n\t else {\n");
-
- cur=psav;
- while(cur != dl){
- emit_inline(&cur->decl,flag);
- cur=cur->next;
- }
-
- f_print(fout,"\t }\n");
-
- }
- flag=GET;
- }
- f_print(fout,"\t return(TRUE);\n\t}\n\n");
-
- /* now take care of XDR_FREE case */
-
- for (dl = def->def.st.decls; dl != NULL; dl = dl->next)
- print_stat(1,&dl->decl);
- }
- }
-
-
-
-
- static void
- emit_typedef(definition *def)
- {
- char *prefix = def->def.ty.old_prefix;
- char *type = def->def.ty.old_type;
- char *amax = def->def.ty.array_max;
- relation rel = def->def.ty.rel;
-
-
- print_ifstat(1, prefix, type, rel, amax, "objp", def->def_name);
- }
-
- static void
- print_stat(int indent, declaration *dec)
- {
- char *prefix = dec->prefix;
- char *type = dec->type;
- char *amax = dec->array_max;
- relation rel = dec->rel;
- char name[256];
-
- if (isvectordef(type, rel)) {
- s_print(name, "objp->%s", dec->name);
- } else {
- s_print(name, "&objp->%s", dec->name);
- }
- print_ifstat(indent, prefix, type, rel, amax, name, dec->name);
- }
-
-
- char *upcase ();
-
- void
- emit_inline(declaration *decl, int flag)
- {
-
- /*check whether an array or not */
-
- switch(decl->rel)
- {
- case REL_ALIAS :
- emit_single_in_line(decl,flag,REL_ALIAS);
- break;
- case REL_VECTOR :
- f_print(fout,"\t\t{ register %s *genp; \n",decl->type);
- f_print(fout,"\t\t for ( i = 0,genp=objp->%s;\n \t\t\ti < %s; i++){\n\t\t",
- decl->name,decl->array_max);
- emit_single_in_line(decl,flag,REL_VECTOR);
- f_print(fout,"\t\t }\n\t\t };\n");
-
- }
- }
-
- void
- emit_single_in_line(declaration *decl, int flag, relation rel)
- {
- char *upp_case;
- int freed=0;
-
-
-
- if(flag == PUT)
- f_print(fout,"\t\t IXDR_PUT_");
- else
- if(rel== REL_ALIAS)
- f_print(fout,"\t\t objp->%s = IXDR_GET_",decl->name);
- else
- f_print(fout,"\t\t *genp++ = IXDR_GET_");
-
- upp_case=upcase(decl->type);
-
- /* hack - XX */
- if(strcmp(upp_case,"INT") == 0)
- {
- free(upp_case);
- freed=1;
- upp_case="LONG";
- }
-
- if(strcmp(upp_case,"U_INT") == 0)
- {
- free(upp_case);
- freed=1;
- upp_case="U_LONG";
- }
-
-
- if(flag == PUT)
- if(rel== REL_ALIAS)
- f_print(fout,"%s(buf,objp->%s);\n",upp_case,decl->name);
- else
- f_print(fout,"%s(buf,*genp++);\n",upp_case);
-
- else
- f_print(fout,"%s(buf);\n",upp_case);
- if(!freed)
- free(upp_case);
-
- }
-
-
- char * upcase(str)
- char *str;
- {
- char *ptr,*hptr;
-
-
- ptr = (char * )malloc(strlen(str));
- if(ptr == (char * ) NULL)
- {
- f_print(stderr,"malloc failed \n");
- exit(1);
- };
-
- hptr=ptr;
- while (*str != '\0')
- *ptr++=toupper(*str++);
-
- *ptr='\0';
- return(hptr);
-
- }
-