diff options
Diffstat (limited to 'sunrpc/rpc_cout.c')
| -rw-r--r-- | sunrpc/rpc_cout.c | 350 |
1 files changed, 350 insertions, 0 deletions
diff --git a/sunrpc/rpc_cout.c b/sunrpc/rpc_cout.c new file mode 100644 index 0000000..86d3865 --- /dev/null +++ b/sunrpc/rpc_cout.c @@ -0,0 +1,350 @@ +/* @(#)rpc_cout.c 2.1 88/08/01 4.0 RPCSRC */ +/* + * 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. + * + * 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 1.8 87/06/24 (C) 1987 SMI"; +#endif + +/* + * rpc_cout.c, XDR routine outputter for the RPC protocol compiler + * Copyright (C) 1987, Sun Microsystems, Inc. + */ +#include <stdio.h> +#include <strings.h> +#include "rpc_util.h" +#include "rpc_parse.h" + +/* + * Emit the C-routine for the given definition + */ +void +emit(def) + definition *def; +{ + if (def->def_kind == DEF_PROGRAM || def->def_kind == DEF_CONST) { + 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 +findtype(def, type) + 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 +undefined(type) + char *type; +{ + definition *def; + + def = (definition *) FINDVAL(defined, type, findtype); + return (def == NULL); +} + + +static +print_header(def) + definition *def; +{ + space(); + f_print(fout, "bool_t\n"); + f_print(fout, "xdr_%s(xdrs, objp)\n", def->def_name); + f_print(fout, "\tXDR *xdrs;\n"); + f_print(fout, "\t%s ", def->def_name); + if (def->def_kind != DEF_TYPEDEF || + !isvectordef(def->def.ty.old_type, def->def.ty.rel)) { + f_print(fout, "*"); + } + f_print(fout, "objp;\n"); + f_print(fout, "{\n"); +} + +static +print_trailer() +{ + f_print(fout, "\treturn (TRUE);\n"); + f_print(fout, "}\n"); + space(); +} + + +static +print_ifopen(indent, name) + int indent; + char *name; +{ + tabify(fout, indent); + f_print(fout, "if (!xdr_%s(xdrs", name); +} + + +static +print_ifarg(arg) + char *arg; +{ + f_print(fout, ", %s", arg); +} + + +static +print_ifsizeof(prefix, type) + char *prefix; + char *type; +{ + if (streq(type, "bool")) { + f_print(fout, ", sizeof(bool_t), xdr_bool"); + } else { + f_print(fout, ", sizeof("); + if (undefined(type) && prefix) { + f_print(fout, "%s ", prefix); + } + f_print(fout, "%s), xdr_%s", type, type); + } +} + +static +print_ifclose(indent) + int indent; +{ + f_print(fout, ")) {\n"); + tabify(fout, indent); + f_print(fout, "\treturn (FALSE);\n"); + tabify(fout, indent); + f_print(fout, "}\n"); +} + +static +space() +{ + f_print(fout, "\n\n"); +} + +static +print_ifstat(indent, prefix, type, rel, amax, objname, name) + 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 +emit_enum(def) + definition *def; +{ + print_ifopen(1, "enum"); + print_ifarg("(enum_t *)objp"); + print_ifclose(1); +} + + +static +emit_union(def) + definition *def; +{ + declaration *dflt; + case_list *cl; + declaration *cs; + char *object; + char *format = "&objp->%s_u.%s"; + + print_stat(&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) { + cs = &cl->case_decl; + f_print(fout, "\tcase %s:\n", cl->case_name); + if (!streq(cs->type, "void")) { + object = alloc(strlen(def->def_name) + strlen(format) + + strlen(cs->name) + 1); + 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); + 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"); + } + } else { + f_print(fout, "\tdefault:\n"); + f_print(fout, "\t\treturn (FALSE);\n"); + } + f_print(fout, "\t}\n"); +} + + + +static +emit_struct(def) + definition *def; +{ + decl_list *dl; + + for (dl = def->def.st.decls; dl != NULL; dl = dl->next) { + print_stat(&dl->decl); + } +} + + + + +static +emit_typedef(def) + 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 +print_stat(dec) + 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(1, prefix, type, rel, amax, name, dec->name); +} |