diff options
Diffstat (limited to 'REORG.TODO/sunrpc/rpc_cout.c')
| -rw-r--r-- | REORG.TODO/sunrpc/rpc_cout.c | 811 |
1 files changed, 811 insertions, 0 deletions
diff --git a/REORG.TODO/sunrpc/rpc_cout.c b/REORG.TODO/sunrpc/rpc_cout.c new file mode 100644 index 0000000000..db7b571b33 --- /dev/null +++ b/REORG.TODO/sunrpc/rpc_cout.c @@ -0,0 +1,811 @@ +/* + * From: @(#)rpc_cout.c 1.13 89/02/22 + * + * Copyright (c) 2010, Oracle America, Inc. + * 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 the "Oracle America, 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. + */ + +/* + * rpc_cout.c, XDR routine outputter for the RPC protocol compiler + */ +#include <ctype.h> +#include <stdio.h> +#include <string.h> +#include "rpc_parse.h" +#include "rpc_util.h" +#include "proto.h" + +static void emit_enum (definition * def); +static void emit_program (const definition * def); +static void emit_union (const definition * def); +static void emit_struct (definition * def); +static void emit_typedef (const definition * def); +static void emit_inline (int indent, declaration * decl, int flag); +static void emit_single_in_line (int indent, declaration *decl, int flag, + relation rel); +static int findtype (const definition * def, const char *type); +static int undefined (const char *type); +static void print_generic_header (const char *procname, int pointerp); +static void print_ifopen (int indent, const char *name); +static void print_ifarg (const char *arg); +static void print_ifsizeof (int indent, const char *prefix, const char *type); +static void print_ifclose (int indent); +static void print_ifstat (int indent, const char *prefix, const char *type, + relation rel, const char *amax, + const char *objname, const char *name); +static void print_stat (int indent, const declaration * dec); +static void print_header (const definition * def); +static void print_trailer (void); +static char *upcase (const 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 don't 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: + /* can't happen */ + break; + } + print_trailer (); +} + +static int +findtype (const definition * def, const 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 (const char *type) +{ + definition *def; + def = (definition *) FINDVAL (defined, type, findtype); + return (def == NULL); +} + + +static void +print_generic_header (const 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"); + } + 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"); + } +} + +static void +print_header (const 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 (inlineflag == 0) + return; + /*May cause lint to complain. but ... */ + f_print (fout, "\tregister int32_t *buf;\n\n"); +} + +static void +print_prog_header (const 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, const char *name) +{ + tabify (fout, indent); + f_print (fout, " if (!xdr_%s (xdrs", name); +} + +static void +print_ifarg (const char *arg) +{ + f_print (fout, ", %s", arg); +} + +static void +print_ifsizeof (int indent, const char *prefix, const char *type) +{ + if (indent) + { + fprintf (fout, ",\n"); + tabify (fout, indent); + } + else + fprintf (fout, ", "); + + if (streq (type, "bool")) + fprintf (fout, "sizeof (bool_t), (xdrproc_t) xdr_bool"); + else + { + fprintf (fout, "sizeof ("); + if (undefined (type) && prefix) + { + f_print (fout, "%s ", prefix); + } + fprintf (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"); +} + +static void +print_ifstat (int indent, const char *prefix, const char *type, relation rel, + const char *amax, const char *objname, const char *name) +{ + const char *alt = NULL; + + switch (rel) + { + case REL_POINTER: + print_ifopen (indent, "pointer"); + print_ifarg ("(char **)"); + f_print (fout, "%s", objname); + print_ifsizeof (0, 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 (indent + 1, 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 (indent + 1, prefix, type); + } + break; + case REL_ALIAS: + print_ifopen (indent, type); + print_ifarg (objname); + break; + } + print_ifclose (indent); +} + +static void +emit_enum (definition * def) +{ + (void) def; + + print_ifopen (1, "enum"); + print_ifarg ("(enum_t *) objp"); + print_ifclose (1); +} + +static void +emit_program (const 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 (const definition * def) +{ + declaration *dflt; + case_list *cl; + declaration *cs; + char *object; + const char *vecformat = "objp->%s_u.%s"; + const 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 + { + 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 +inline_struct (definition *def, int flag) +{ + decl_list *dl; + int i, size; + decl_list *cur = NULL; + decl_list *psav; + bas_type *ptr; + char *sizestr; + const char *plus; + char ptemp[256]; + int indent = 1; + + if (flag == PUT) + f_print (fout, "\n\tif (xdrs->x_op == XDR_ENCODE) {\n"); + else + f_print (fout, + "\t\treturn 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 < inlineflag) + { + /* don't expand into inline code if size < inlineflag */ + while (cur != dl) + { + print_stat (indent + 1, &cur->decl); + cur = cur->next; + } + } + else + { + /* were already looking at a xdr_inlineable structure */ + tabify (fout, indent + 1); + if (sizestr == NULL) + f_print (fout, "buf = XDR_INLINE (xdrs, %d * BYTES_PER_XDR_UNIT);", size); + else if (size == 0) + f_print (fout, + "buf = XDR_INLINE (xdrs, (%s) * BYTES_PER_XDR_UNIT);", + sizestr); + else + f_print (fout, + "buf = XDR_INLINE (xdrs, (%d + (%s)) * BYTES_PER_XDR_UNIT);", + size, sizestr); + f_print (fout, "\n"); + tabify (fout, indent + 1); + fprintf (fout, "if (buf == NULL) {\n"); + psav = cur; + while (cur != dl) + { + print_stat (indent + 2, &cur->decl); + cur = cur->next; + } + + f_print (fout, "\n\t\t} else {\n"); + cur = psav; + while (cur != dl) + { + emit_inline (indent + 1, &cur->decl, flag); + cur = cur->next; + } + tabify (fout, indent + 1); + f_print (fout, "}\n"); + } + } + size = 0; + i = 0; + free (sizestr); + sizestr = NULL; + print_stat (indent + 1, &dl->decl); + } + } + if (i > 0) + { + if (sizestr == NULL && size < inlineflag) + { + /* don't expand into inline code if size < inlineflag */ + while (cur != dl) + { + print_stat (indent + 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 (indent + 2, &cur->decl); + cur = cur->next; + } + f_print (fout, "\t\t} else {\n"); + + cur = psav; + while (cur != dl) + { + emit_inline (indent + 2, &cur->decl, flag); + cur = cur->next; + } + f_print (fout, "\t\t}\n"); + } + } +} + +/* this may be const. i haven't traced this one through yet. */ + +static void +emit_struct (definition * def) +{ + decl_list *dl; + int j, size, flag; + bas_type *ptr; + int can_inline; + + + if (inlineflag == 0) + { + /* No xdr_inlining at all */ + for (dl = def->def.st.decls; dl != NULL; dl = dl->next) + print_stat (1, &dl->decl); + return; + } + + for (dl = def->def.st.decls; dl != NULL; dl = dl->next) + if (dl->decl.rel == REL_VECTOR) + { + f_print (fout, "\tint i;\n"); + break; + } + + size = 0; + can_inline = 0; + /* + * Make a first pass and see if inling is possible. + */ + 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 >= inlineflag) + { + can_inline = 1; + break; /* can be inlined */ + } + size = 0; + } + if (size > inlineflag) + 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++) + { + inline_struct (def, flag); + if (flag == PUT) + 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 (const definition * def) +{ + const char *prefix = def->def.ty.old_prefix; + const char *type = def->def.ty.old_type; + const 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, const declaration * dec) +{ + const char *prefix = dec->prefix; + const char *type = dec->type; + const 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 (int indent, declaration * decl, int flag) +{ + switch (decl->rel) + { + case REL_ALIAS: + emit_single_in_line (indent, decl, flag, REL_ALIAS); + break; + case REL_VECTOR: + tabify (fout, indent); + f_print (fout, "{\n"); + tabify (fout, indent + 1); + f_print (fout, "register %s *genp;\n\n", decl->type); + tabify (fout, indent + 1); + f_print (fout, + "for (i = 0, genp = objp->%s;\n", decl->name); + tabify (fout, indent + 2); + f_print (fout, "i < %s; ++i) {\n", decl->array_max); + emit_single_in_line (indent + 2, decl, flag, REL_VECTOR); + tabify (fout, indent + 1); + f_print (fout, "}\n"); + tabify (fout, indent); + f_print (fout, "}\n"); + break; + default: + break; + /* ?... do nothing I guess */ + } +} + +static void +emit_single_in_line (int indent, declaration *decl, int flag, relation rel) +{ + char *upp_case; + int freed = 0; + + tabify (fout, indent); + if (flag == PUT) + f_print (fout, "IXDR_PUT_"); + else + { + if (rel == REL_ALIAS) + f_print (fout, "objp->%s = IXDR_GET_", decl->name); + else + f_print (fout, "*genp++ = IXDR_GET_"); + } + + upp_case = upcase (decl->type); + + /* hack - XX */ + if (!strcmp (upp_case, "INT")) + { + free (upp_case); + freed = 1; + /* Casting is safe since the `freed' flag is set. */ + upp_case = (char *) "LONG"; + } + + if (!strcmp (upp_case, "U_INT")) + { + free (upp_case); + freed = 1; + /* Casting is safe since the `freed' flag is set. */ + upp_case = (char *) "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); +} + + +static char * +upcase (const char *str) +{ + char *ptr, *hptr; + ptr = malloc (strlen (str) + 1); + if (ptr == NULL) + { + f_print (stderr, "malloc failed\n"); + exit (1); + } + hptr = ptr; + while (*str != '\0') + *ptr++ = toupper (*str++); + + *ptr = '\0'; + return hptr; +} |