diff options
Diffstat (limited to 'package/libtirpc/src/rpcgen/rpc_util.c')
| -rw-r--r-- | package/libtirpc/src/rpcgen/rpc_util.c | 479 |
1 files changed, 479 insertions, 0 deletions
diff --git a/package/libtirpc/src/rpcgen/rpc_util.c b/package/libtirpc/src/rpcgen/rpc_util.c new file mode 100644 index 000000000..b67be57e5 --- /dev/null +++ b/package/libtirpc/src/rpcgen/rpc_util.c @@ -0,0 +1,479 @@ +/* + * 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_util.c 1.11 89/02/22 (C) 1987 SMI"; +#endif + +/* + * rpc_util.c, Utility routines for the RPC protocol compiler + */ +#include <stdio.h> +#include <memory.h> +#include <ctype.h> +#include <unistd.h> +#include "rpc_scan.h" +#include "rpc_parse.h" +#include "rpc_util.h" + +static void printwhere(void); + + +#define ARGEXT "argument" + +char curline[MAXLINESIZE]; /* current read line */ +char *where = curline; /* current point in line */ +int linenum = 0; /* current line number */ + +char *infilename; /* input filename */ + +#define NFILES 7 +char *outfiles[NFILES]; /* output file names */ +int nfiles; + +FILE *fout; /* file pointer of current output */ +FILE *fin; /* file pointer of current input */ + +list *defined; /* list of defined things */ + +/* + * Reinitialize the world + */ +void +reinitialize(void) +{ + memset(curline, 0, MAXLINESIZE); + where = curline; + linenum = 0; + defined = NULL; +} + +/* + * string equality + */ +int +streq(char *a, char *b) +{ + return (strcmp(a, b) == 0); +} + +/* + * find a value in a list + */ +definition * +findval(list *lst, char *val, int (*cmp)(definition *, char *)) +{ + + for (; lst != NULL; lst = lst->next) { + if ((*cmp) (lst->val, val)) { + return (lst->val); + } + } + return (NULL); +} + +/* + * store a value in a list + */ +void +storeval(lstp, val) + list **lstp; + definition *val; +{ + list **l; + list *lst; + + + for (l = lstp; *l != NULL; l = (list **) & (*l)->next); + lst = ALLOC(list); + lst->val = val; + lst->next = NULL; + *l = lst; +} + +static int +findit(definition *def, char *type) +{ + return (streq(def->def_name, type)); +} + +static char * +fixit(char *type, char *orig) +{ + definition *def; + + def = (definition *) FINDVAL(defined, type, findit); + if (def == NULL || def->def_kind != DEF_TYPEDEF) { + return (orig); + } + switch (def->def.ty.rel) { + case REL_VECTOR: + return (def->def.ty.old_type); + case REL_ALIAS: + return (fixit(def->def.ty.old_type, orig)); + default: + return (orig); + } +} + +char * +fixtype(char *type) +{ + return (fixit(type, type)); +} + +char * +stringfix(char *type) +{ + if (streq(type, "string")) { + return ("wrapstring"); + } else { + return (type); + } +} + +void +ptype(char *prefix, char *type, int follow) +{ + if (prefix != NULL) { + if (streq(prefix, "enum")) { + f_print(fout, "enum "); + } else { + f_print(fout, "struct "); + } + } + if (streq(type, "bool")) { + f_print(fout, "bool_t "); + } else if (streq(type, "string")) { + f_print(fout, "char *"); + } else { + f_print(fout, "%s ", follow ? fixtype(type) : type); + } +} + +static int +typedefed(definition *def, char *type) +{ + if (def->def_kind != DEF_TYPEDEF || def->def.ty.old_prefix != NULL) { + return (0); + } else { + return (streq(def->def_name, type)); + } +} + +int +isvectordef(char *type, relation rel) +{ + definition *def; + + for (;;) { + switch (rel) { + case REL_VECTOR: + return (!streq(type, "string")); + case REL_ARRAY: + return (0); + case REL_POINTER: + return (0); + case REL_ALIAS: + def = (definition *) FINDVAL(defined, type, typedefed); + if (def == NULL) { + return (0); + } + type = def->def.ty.old_type; + rel = def->def.ty.rel; + } + } +} + +char * +locase(char *str) +{ + char c; + static char buf[100]; + char *p = buf; + + while ((c = *str++) != '\0') { + *p++ = (c >= 'A' && c <= 'Z') ? (c - 'A' + 'a') : c; + } + *p = 0; + return (buf); +} + +void +pvname_svc(char *pname, char *vnum) +{ + f_print(fout, "%s_%s_svc", locase(pname), vnum); +} + +void +pvname(char *pname, char *vnum) +{ + f_print(fout, "%s_%s", locase(pname), vnum); +} + +/* + * print a useful (?) error message, and then die + */ +void +error(char *msg) +{ + printwhere(); + f_print(stderr, "%s, line %d: ", infilename, linenum); + f_print(stderr, "%s\n", msg); + crash(); +} + +/* + * Something went wrong, unlink any files that we may have created and then + * die. + */ +void +crash(void) +{ + int i; + + for (i = 0; i < nfiles; i++) { + (void) unlink(outfiles[i]); + } + exit(1); +} + +void +record_open(char *file) +{ + if (nfiles < NFILES) { + outfiles[nfiles++] = file; + } else { + f_print(stderr, "too many files!\n"); + crash(); + } +} + +static char expectbuf[100]; +static char *toktostr(); + +/* + * error, token encountered was not the expected one + */ +void +expected1(exp1) + tok_kind exp1; +{ + s_print(expectbuf, "expected '%s'", + toktostr(exp1)); + error(expectbuf); +} + +/* + * error, token encountered was not one of two expected ones + */ +void +expected2(exp1, exp2) + tok_kind exp1, exp2; +{ + s_print(expectbuf, "expected '%s' or '%s'", + toktostr(exp1), + toktostr(exp2)); + error(expectbuf); +} + +/* + * error, token encountered was not one of 3 expected ones + */ +void +expected3(exp1, exp2, exp3) + tok_kind exp1, exp2, exp3; +{ + s_print(expectbuf, "expected '%s', '%s' or '%s'", + toktostr(exp1), + toktostr(exp2), + toktostr(exp3)); + error(expectbuf); +} + +void +tabify(f, tab) + FILE *f; + int tab; +{ + while (tab--) { + (void) fputc('\t', f); + } +} + + +static token tokstrings[] = { + {TOK_IDENT, "identifier"}, + {TOK_CONST, "const"}, + {TOK_RPAREN, ")"}, + {TOK_LPAREN, "("}, + {TOK_RBRACE, "}"}, + {TOK_LBRACE, "{"}, + {TOK_LBRACKET, "["}, + {TOK_RBRACKET, "]"}, + {TOK_STAR, "*"}, + {TOK_COMMA, ","}, + {TOK_EQUAL, "="}, + {TOK_COLON, ":"}, + {TOK_SEMICOLON, ";"}, + {TOK_UNION, "union"}, + {TOK_STRUCT, "struct"}, + {TOK_SWITCH, "switch"}, + {TOK_CASE, "case"}, + {TOK_DEFAULT, "default"}, + {TOK_ENUM, "enum"}, + {TOK_TYPEDEF, "typedef"}, + {TOK_INT, "int"}, + {TOK_SHORT, "short"}, + {TOK_INT32, "int32"}, + {TOK_UNSIGNED, "unsigned"}, + {TOK_DOUBLE, "double"}, + {TOK_FLOAT, "float"}, + {TOK_CHAR, "char"}, + {TOK_STRING, "string"}, + {TOK_OPAQUE, "opaque"}, + {TOK_BOOL, "bool"}, + {TOK_VOID, "void"}, + {TOK_PROGRAM, "program"}, + {TOK_VERSION, "version"}, + {TOK_EOF, "??????"} +}; + +static char * +toktostr(kind) + tok_kind kind; +{ + token *sp; + + for (sp = tokstrings; sp->kind != TOK_EOF && sp->kind != kind; sp++); + return (sp->str); +} + +static void +printbuf(void) +{ + char c; + int i; + int cnt; + +# define TABSIZE 4 + + for (i = 0; (c = curline[i]) != '\0'; i++) { + if (c == '\t') { + cnt = 8 - (i % TABSIZE); + c = ' '; + } else { + cnt = 1; + } + while (cnt--) { + (void) fputc(c, stderr); + } + } +} + +static void +printwhere(void) +{ + int i; + char c; + int cnt; + + printbuf(); + for (i = 0; i < where - curline; i++) { + c = curline[i]; + if (c == '\t') { + cnt = 8 - (i % TABSIZE); + } else { + cnt = 1; + } + while (cnt--) { + (void) fputc('^', stderr); + } + } + (void) fputc('\n', stderr); +} + +char * +make_argname(char *pname, char *vname) +{ + char *name; + + name = malloc(strlen(pname) + strlen(vname) + strlen(ARGEXT) + 3); + if (!name) { + fprintf(stderr, "failed in malloc"); + exit(1); + } + sprintf(name, "%s_%s_%s", locase(pname), vname, ARGEXT); + return(name); +} + +bas_type *typ_list_h; +bas_type *typ_list_t; + +void +add_type(int len, char *type) +{ + bas_type *ptr; + + + if ((ptr = (bas_type *) malloc(sizeof(bas_type))) == (bas_type *) NULL) { + fprintf(stderr, "failed in malloc"); + exit(1); + } + ptr->name = type; + ptr->length = len; + ptr->next = NULL; + if (typ_list_t == NULL) { + + typ_list_t = ptr; + typ_list_h = ptr; + } else { + + typ_list_t->next = ptr; + typ_list_t = ptr; + } +} + + +bas_type * +find_type(char *type) +{ + bas_type *ptr; + + ptr = typ_list_h; + + + while (ptr != NULL) { + if (strcmp(ptr->name, type) == 0) + return (ptr); + else + ptr = ptr->next; + }; + return (NULL); +} + |