1 /* @(#)rpc_util.c 1.2 87/11/24 3.9 RPCSRC */
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32 * rpc_util.c, Utility routines for the RPC protocol compiler
33 * Copyright (C) 1987, Sun Microsystems, Inc.
35 #include <afsconfig.h>
36 #include <afs/param.h>
41 #include "rpc_parse.h"
44 char curline[MAXLINESIZE]; /* current read line */
45 char *where = curline; /* current point in line */
46 int linenum = 0; /* current line number */
48 char *infilename; /* input filename */
51 char *outfiles[NFILES]; /* output file names */
54 FILE *fout; /* file pointer of current output */
55 FILE *fin; /* file pointer of current input */
57 rxgen_list *defined; /* list of defined things */
59 /* static prototypes */
60 static int findit(definition * def, char *type);
61 static char *fixit(char *type, char *orig);
62 static char *locase(char *str);
63 static char *toktostr(tok_kind kind);
64 static void printbuf(void);
65 static void printwhere(void);
69 * Reinitialize the world
75 memset(curline, 0, MAXLINESIZE);
79 special_defined = typedef_defined = uniondef_defined = NULL;
81 master_opcodenumber = 99999;
82 master_highest_opcode = 0;
84 for (i = 0; i < MAX_PACKAGES; i++) {
85 no_of_stat_funcs_header[i] = 0;
93 streq(char *a, char *b)
95 return (strcmp(a, b) == 0);
99 * find a value in a list
102 findval(rxgen_list * lst, char *val, int (*cmp) (definition * def, char *type))
104 for (; lst != NULL; lst = lst->next) {
105 if ((*cmp) ((definition *) lst->val, val)) {
113 * store a value in a list
116 storeval(rxgen_list ** lstp, char *val)
121 for (l = lstp; *l != NULL; l = (rxgen_list **) & (*l)->next);
122 lst = ALLOC(rxgen_list);
130 findit(definition * def, char *type)
132 return (streq(def->def_name, type));
137 fixit(char *type, char *orig)
141 def = (definition *) FINDVAL(defined, type, findit);
142 if (def == NULL || def->def_kind != DEF_TYPEDEF) {
145 switch (def->def.ty.rel) {
147 return (def->def.ty.old_type);
149 return (fixit(def->def.ty.old_type, orig));
158 return (fixit(type, type));
162 stringfix(char *type)
164 if (streq(type, "string")) {
165 return ("wrapstring");
172 ptype(char *prefix, char *type, int follow)
174 if (prefix != NULL) {
175 if (streq(prefix, "enum")) {
176 f_print(fout, "enum ");
178 f_print(fout, "struct ");
181 if (streq(type, "bool")) {
182 f_print(fout, "bool_t ");
183 } else if (streq(type, "string")) {
184 f_print(fout, "char *");
186 f_print(fout, "%s ", follow ? fixtype(type) : type);
192 isvectordef(char *type, relation rel)
197 return (!streq(type, "string"));
213 static char buf[100];
216 while ((c = *str++)) {
217 *p++ = (c >= 'A' && c <= 'Z') ? (c - 'A' + 'a') : c;
225 pvname(char *pname, char *vnum)
227 f_print(fout, "%s_%s", locase(pname), vnum);
232 * print a useful (?) error message, and then die
238 f_print(stderr, "%s, line %d: ", infilename, linenum);
239 f_print(stderr, "%s\n", msg);
244 * Something went wrong, unlink any files that we may have created and then
252 for (i = 0; i < nfiles; i++) {
253 (void)unlink(outfiles[i]);
260 record_open(char *file)
262 if (nfiles < NFILES) {
263 outfiles[nfiles++] = file;
265 f_print(stderr, "too many files!\n");
270 /* buffer shared for all of the expected* routines */
271 static char expectbuf[100];
274 * error, token encountered was not the expected one
277 expected1(tok_kind exp1)
279 s_print(expectbuf, "expected '%s'", toktostr(exp1));
284 * error, token encountered was not one of two expected ones
287 expected2(tok_kind exp1, tok_kind exp2)
289 s_print(expectbuf, "expected '%s' or '%s'", toktostr(exp1),
295 * error, token encountered was not one of 3 expected ones
298 expected3(tok_kind exp1, tok_kind exp2, tok_kind exp3)
300 s_print(expectbuf, "expected '%s', '%s' or '%s'", toktostr(exp1),
301 toktostr(exp2), toktostr(exp3));
307 * error, token encountered was not one of 4 expected ones
310 expected4(tok_kind exp1, tok_kind exp2, tok_kind exp3, tok_kind exp4)
312 sprintf(expectbuf, "expected '%s', '%s', '%s', or '%s'", toktostr(exp1),
313 toktostr(exp2), toktostr(exp3), toktostr(exp4));
318 tabify(FILE * f, int tab)
322 (void)fputc('\t', f);
326 static token tokstrings[] = {
327 {TOK_IDENT, "identifier"},
328 {TOK_CONST, "const"},
339 {TOK_SEMICOLON, ";"},
340 {TOK_UNION, "union"},
341 {TOK_STRUCT, "struct"},
342 {TOK_SWITCH, "switch"},
344 {TOK_DEFAULT, "default"},
346 {TOK_TYPEDEF, "typedef"},
348 {TOK_SHORT, "short"},
349 {TOK_INT32, "afs_int32"}, /* XXX */
350 {TOK_UNSIGNED, "unsigned"},
351 {TOK_DOUBLE, "double"},
352 {TOK_FLOAT, "float"},
354 {TOK_STRING, "string"},
355 {TOK_OPAQUE, "opaque"},
358 {TOK_PACKAGE, "package"},
359 {TOK_PREFIX, "prefix"},
360 {TOK_STATINDEX, "statindex"},
361 {TOK_SPECIAL, "special"},
362 {TOK_STARTINGOPCODE, "startingopcode"},
363 {TOK_CUSTOMIZED, "customized"},
365 {TOK_SPLITPREFIX, "splitprefix"},
366 {TOK_SPLIT, "split"},
367 {TOK_MULTI, "multi"},
370 {TOK_INOUT, "INOUT"},
371 {TOK_AFSUUID, "afsUUID"},
376 toktostr(tok_kind kind)
380 for (sp = tokstrings; sp->kind != TOK_EOF && sp->kind != kind; sp++);
395 for (i = 0; (c = curline[i]); i++) {
397 cnt = 8 - (i % TABSIZE);
417 for (i = 0; i < where - curline; i++) {
420 cnt = 8 - (i % TABSIZE);