| /* |
| * 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); |
| |
| } |