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 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 int typedefed(definition * def, char *type);
63 static char *locase(char *str);
64 static char *toktostr(tok_kind kind);
65 static void printbuf(void);
66 static void printwhere(void);
70 * Reinitialize the world
76 memset(curline, 0, MAXLINESIZE);
80 special_defined = typedef_defined = uniondef_defined = NULL;
82 master_opcodenumber = 99999;
83 master_highest_opcode = 0;
85 for (i = 0; i < MAX_PACKAGES; i++) {
86 no_of_stat_funcs_header[i] = 0;
94 streq(char *a, char *b)
96 return (strcmp(a, b) == 0);
100 * find a value in a list
103 findval(list * lst, char *val, int (*cmp) (definition * def, char *type))
105 for (; lst != NULL; lst = lst->next) {
106 if ((*cmp) ((definition *) lst->val, val)) {
114 * store a value in a list
117 storeval(list ** lstp, char *val)
122 for (l = lstp; *l != NULL; l = (list **) & (*l)->next);
131 findit(definition * def, char *type)
133 return (streq(def->def_name, type));
138 fixit(char *type, char *orig)
142 def = (definition *) FINDVAL(defined, type, findit);
143 if (def == NULL || def->def_kind != DEF_TYPEDEF) {
146 switch (def->def.ty.rel) {
148 return (def->def.ty.old_type);
150 return (fixit(def->def.ty.old_type, orig));
159 return (fixit(type, type));
163 stringfix(char *type)
165 if (streq(type, "string")) {
166 return ("wrapstring");
173 ptype(char *prefix, char *type, int follow)
175 if (prefix != NULL) {
176 if (streq(prefix, "enum")) {
177 f_print(fout, "enum ");
179 f_print(fout, "struct ");
182 if (streq(type, "bool")) {
183 f_print(fout, "bool_t ");
184 } else if (streq(type, "string")) {
185 f_print(fout, "char *");
187 f_print(fout, "%s ", follow ? fixtype(type) : type);
193 typedefed(definition * def, char *type)
195 if (def->def_kind != DEF_TYPEDEF || def->def.ty.old_prefix != NULL) {
198 return (streq(def->def_name, type));
203 isvectordef(char *type, relation rel)
210 return (!streq(type, "string"));
216 def = (definition *) FINDVAL(defined, type, typedefed);
220 type = def->def.ty.old_type;
221 rel = def->def.ty.rel;
231 static char buf[100];
234 while ((c = *str++)) {
235 *p++ = (c >= 'A' && c <= 'Z') ? (c - 'A' + 'a') : c;
243 pvname(char *pname, char *vnum)
245 f_print(fout, "%s_%s", locase(pname), vnum);
250 * print a useful (?) error message, and then die
256 f_print(stderr, "%s, line %d: ", infilename, linenum);
257 f_print(stderr, "%s\n", msg);
262 * Something went wrong, unlink any files that we may have created and then
270 for (i = 0; i < nfiles; i++) {
271 (void)unlink(outfiles[i]);
278 record_open(char *file)
280 if (nfiles < NFILES) {
281 outfiles[nfiles++] = file;
283 f_print(stderr, "too many files!\n");
288 /* buffer shared for all of the expected* routines */
289 static char expectbuf[100];
292 * error, token encountered was not the expected one
295 expected1(tok_kind exp1)
297 s_print(expectbuf, "expected '%s'", toktostr(exp1));
302 * error, token encountered was not one of two expected ones
305 expected2(tok_kind exp1, tok_kind exp2)
307 s_print(expectbuf, "expected '%s' or '%s'", toktostr(exp1),
313 * error, token encountered was not one of 3 expected ones
316 expected3(tok_kind exp1, tok_kind exp2, tok_kind exp3)
318 s_print(expectbuf, "expected '%s', '%s' or '%s'", toktostr(exp1),
319 toktostr(exp2), toktostr(exp3));
325 * error, token encountered was not one of 4 expected ones
328 expected4(tok_kind exp1, tok_kind exp2, tok_kind exp3, tok_kind exp4)
330 sprintf(expectbuf, "expected '%s', '%s', '%s', or '%s'", toktostr(exp1),
331 toktostr(exp2), toktostr(exp3), toktostr(exp4));
336 tabify(FILE * f, int tab)
340 (void)fputc('\t', f);
344 static token tokstrings[] = {
345 {TOK_IDENT, "identifier"},
346 {TOK_CONST, "const"},
357 {TOK_SEMICOLON, ";"},
358 {TOK_UNION, "union"},
359 {TOK_STRUCT, "struct"},
360 {TOK_SWITCH, "switch"},
362 {TOK_DEFAULT, "default"},
364 {TOK_TYPEDEF, "typedef"},
366 {TOK_SHORT, "short"},
367 {TOK_INT32, "afs_int32"}, /* XXX */
368 {TOK_UNSIGNED, "unsigned"},
369 {TOK_DOUBLE, "double"},
370 {TOK_FLOAT, "float"},
372 {TOK_STRING, "string"},
373 {TOK_OPAQUE, "opaque"},
376 {TOK_PROGRAM, "program"},
377 {TOK_VERSION, "version"},
378 {TOK_PACKAGE, "package"},
379 {TOK_PREFIX, "prefix"},
380 {TOK_STATINDEX, "statindex"},
381 {TOK_SPECIAL, "special"},
382 {TOK_STARTINGOPCODE, "startingopcode"},
383 {TOK_CUSTOMIZED, "customized"},
385 {TOK_SPLITPREFIX, "splitprefix"},
386 {TOK_SPLIT, "split"},
387 {TOK_MULTI, "multi"},
390 {TOK_INOUT, "INOUT"},
391 {TOK_AFSUUID, "afsUUID"},
396 toktostr(tok_kind kind)
400 for (sp = tokstrings; sp->kind != TOK_EOF && sp->kind != kind; sp++);
415 for (i = 0; (c = curline[i]); i++) {
417 cnt = 8 - (i % TABSIZE);
437 for (i = 0; i < where - curline; i++) {
440 cnt = 8 - (i % TABSIZE);