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>
55 #include "rpc_parse.h"
58 char curline[MAXLINESIZE]; /* current read line */
59 char *where = curline; /* current point in line */
60 int linenum = 0; /* current line number */
62 char *infilename; /* input filename */
65 char *outfiles[NFILES]; /* output file names */
68 FILE *fout; /* file pointer of current output */
69 FILE *fin; /* file pointer of current input */
71 list *defined; /* list of defined things */
73 /* static prototypes */
74 static int findit(definition *def, char *type);
75 static char *fixit(char *type, char *orig);
76 static int typedefed(definition *def, char *type);
77 static char *locase(char *str);
78 static char *toktostr(tok_kind kind);
79 static void printbuf(void);
80 static void printwhere(void);
84 * Reinitialize the world
86 void reinitialize(void)
89 memset(curline, 0, MAXLINESIZE);
93 special_defined = typedef_defined = uniondef_defined = NULL;
95 master_opcodenumber= 99999;
96 master_highest_opcode = 0;
98 for(i=0;i<MAX_PACKAGES;i++) {
99 no_of_stat_funcs_header[i] = 0;
106 int streq(char *a, char *b)
108 return (strcmp(a, b) == 0);
112 * find a value in a list
114 char *findval(list *lst, char *val, int (*cmp)(definition *def, char *type))
116 for (; lst != NULL; lst = lst->next) {
117 if ((*cmp) ((definition *) lst->val, val)) {
125 * store a value in a list
127 void storeval(list **lstp, char *val)
132 for (l = lstp; *l != NULL; l = (list **) & (*l)->next);
140 static int findit(definition *def, char *type)
142 return (streq(def->def_name, type));
146 static char *fixit(char *type, char *orig)
150 def = (definition *) FINDVAL(defined, type, findit);
151 if (def == NULL || def->def_kind != DEF_TYPEDEF) {
154 switch (def->def.ty.rel) {
156 return (def->def.ty.old_type);
158 return (fixit(def->def.ty.old_type, orig));
164 char *fixtype(char *type)
166 return (fixit(type, type));
169 char *stringfix(char *type)
171 if (streq(type, "string")) {
172 return ("wrapstring");
178 void ptype(char *prefix, char *type, int follow)
180 if (prefix != NULL) {
181 if (streq(prefix, "enum")) {
182 f_print(fout, "enum ");
184 f_print(fout, "struct ");
187 if (streq(type, "bool")) {
188 f_print(fout, "bool_t ");
189 } else if (streq(type, "string")) {
190 f_print(fout, "char *");
192 f_print(fout, "%s ", follow ? fixtype(type) : type);
197 static int typedefed(definition *def, char *type)
199 if (def->def_kind != DEF_TYPEDEF || def->def.ty.old_prefix != NULL) {
202 return (streq(def->def_name, type));
206 int isvectordef(char *type, relation rel)
213 return (!streq(type, "string"));
219 def = (definition *) FINDVAL(defined, type, typedefed);
223 type = def->def.ty.old_type;
224 rel = def->def.ty.rel;
230 static char *locase(char *str)
233 static char buf[100];
236 while ((c = *str++)) {
237 *p++ = (c >= 'A' && c <= 'Z') ? (c - 'A' + 'a') : c;
244 void pvname(char *pname, char *vnum)
246 f_print(fout, "%s_%s", locase(pname), vnum);
251 * print a useful (?) error message, and then die
253 void error(char *msg)
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
269 for (i = 0; i < nfiles; i++) {
270 (void) unlink(outfiles[i]);
276 void record_open(char *file)
278 if (nfiles < NFILES) {
279 outfiles[nfiles++] = file;
281 f_print(stderr, "too many files!\n");
286 /* buffer shared for all of the expected* routines */
287 static char expectbuf[100];
290 * error, token encountered was not the expected one
292 void expected1(tok_kind exp1)
294 s_print(expectbuf, "expected '%s'",
300 * error, token encountered was not one of two expected ones
302 void expected2(tok_kind exp1, tok_kind exp2)
304 s_print(expectbuf, "expected '%s' or '%s'",
311 * error, token encountered was not one of 3 expected ones
313 void expected3(tok_kind exp1, tok_kind exp2, tok_kind exp3)
315 s_print(expectbuf, "expected '%s', '%s' or '%s'",
324 * error, token encountered was not one of 4 expected ones
326 void expected4(tok_kind exp1, tok_kind exp2, tok_kind exp3, tok_kind exp4)
328 sprintf(expectbuf,"expected '%s', '%s', '%s', or '%s'",
336 void tabify(FILE *f, int tab)
340 (void) fputc('\t', f);
344 static token tokstrings[] = {
345 { TOK_IDENT, "identifier"},
346 { TOK_CONST, "const"},
351 { TOK_LBRACKET, "["},
352 { TOK_RBRACKET, "]"},
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" },
384 { TOK_PROC, "proc" },
385 { TOK_SPLITPREFIX, "splitprefix" },
386 { TOK_SPLIT, "split" },
387 { TOK_MULTI, "multi" },
390 { TOK_INOUT, "INOUT" },
391 { TOK_AFSUUID, "afsUUID" },
395 static char *toktostr(tok_kind kind)
399 for (sp = tokstrings; sp->kind != TOK_EOF && sp->kind != kind; sp++);
405 static void printbuf(void)
413 for (i = 0; (c = curline[i]); i++) {
415 cnt = 8 - (i % TABSIZE);
427 static void printwhere(void)
434 for (i = 0; i < where - curline; i++) {
437 cnt = 8 - (i % TABSIZE);