diff options
Diffstat (limited to 'package/libtirpc/src/rpcgen/rpc_cout.c')
| -rw-r--r-- | package/libtirpc/src/rpcgen/rpc_cout.c | 706 |
1 files changed, 706 insertions, 0 deletions
diff --git a/package/libtirpc/src/rpcgen/rpc_cout.c b/package/libtirpc/src/rpcgen/rpc_cout.c new file mode 100644 index 000000000..a61214fdb --- /dev/null +++ b/package/libtirpc/src/rpcgen/rpc_cout.c @@ -0,0 +1,706 @@ +/* + * Copyright (c) 2009, Sun Microsystems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * - Neither the name of Sun Microsystems, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#if 0 +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 <stdlib.h> +#include <malloc.h> +#include <ctype.h> +#include "rpc_parse.h" +#include "rpc_util.h" + +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); +static void emit_inline(declaration *decl, int flag); +static void emit_single_in_line(declaration *decl, int flag, relation rel); +static char * upcase(char *str); + +/* + * 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; + default: + 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"); + f_print(fout, "bool_t\n"); + 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) +{ + 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; +} + +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"); + } + /* The (void*) avoids a gcc-4.1 warning */ + print_ifarg("(char **)(void*)"); + 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); +} + +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"); + } else { + /* Avoid gcc warnings about `value not handled in switch' */ + f_print(fout, "\tdefault:\n"); + 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 void +emit_struct(definition *def) +{ + decl_list *dl; + int i, j, size, flag; + decl_list *cur = NULL, *psav; + bas_type *ptr; + char *sizestr, *plus; + char ptemp[256]; + int can_inline; + const char *buf_declaration; + + + if (Inline == 0) { + for (dl = def->def.st.decls; dl != NULL; dl = dl->next) + print_stat(1, &dl->decl); + } else { + 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; + buf_declaration = "int32_t *"; + 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 %sbuf = XDR_INLINE(xdrs,%d * BYTES_PER_XDR_UNIT);", + buf_declaration, size); + else if (size == 0) + f_print(fout, + "\t %sbuf = XDR_INLINE(xdrs,%s * BYTES_PER_XDR_UNIT);", + buf_declaration, sizestr); + else + f_print(fout, + "\t %sbuf = XDR_INLINE(xdrs,(%d + %s)* BYTES_PER_XDR_UNIT);", + buf_declaration, size, sizestr); + buf_declaration = ""; + + 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\t%sbuf = XDR_INLINE(xdrs,%d * BYTES_PER_XDR_UNIT);", + buf_declaration, size); + else if (size == 0) + f_print(fout, + "\t\t%sbuf = XDR_INLINE(xdrs,%s * BYTES_PER_XDR_UNIT);", + buf_declaration, sizestr); + else + f_print(fout, + "\t\t%sbuf = XDR_INLINE(xdrs,(%d + %s)* BYTES_PER_XDR_UNIT);", + buf_declaration, size, sizestr); + buf_declaration = ""; + + 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); +} + + +static 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 int i;\n"); + 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"); + break; + default: + break; + } +} + +static 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 (void) 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="INT32"; + } + + if(strcmp(upp_case,"U_INT") == 0) + { + free(upp_case); + freed=1; + upp_case="U_INT32"; + } + + + 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); + +} + + +static char * +upcase(char *str) +{ + char *ptr, *hptr; + + + ptr = (char *) malloc(strlen(str)+1); + if (ptr == (char *) NULL) { + f_print(stderr, "malloc failed \n"); + exit(1); + }; + + hptr = ptr; + while (*str != '\0') + *ptr++ = toupper(*str++); + + *ptr = '\0'; + return (hptr); + +} |