3 * File name: ir/ir/irprintf.c
4 * Purpose: A little printf helper unterstanding firm types
5 * Author: Sebastian Hack
8 * Copyright: (c) 1998-2004 Universität Karlsruhe
9 * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
15 * A little printf helper unterstanding firm types.
16 * @author Sebastian Hack
27 #ifdef HAVE_INTTYPES_H
53 static void str_init(void *object, size_t n)
59 * append a char to a string buffer.
61 static void str_append_char(void *object, size_t n, char ch)
68 strncat(object, buf, n);
72 * append a string to a string buffer.
74 static void str_append_str(void *object, size_t n, const char *str)
76 strncat(object, str, n);
81 * Init the file. i.e. do nothing.
83 static void file_init(void *object, size_t n)
88 * append a char to a file.
90 static void file_append_char(void *object, size_t n, char ch)
96 * append a string to a file.
98 static void file_append_str(void *object, size_t n, const char *str)
104 * Init the obstack. i.e. do nothing.
106 static void obst_init(void *object, size_t n)
111 * append a char to a obstack.
113 static void obst_append_char(void *object, size_t n, char ch)
115 struct obstack *obst = object;
116 obstack_1grow(obst, ch);
120 * append a string to a obstack.
122 static void obst_append_str(void *object, size_t n, const char *str)
124 struct obstack *obst = object;
125 obstack_grow(obst, str, strlen(str));
132 static const appender_t file_appender = {
139 * the string buffer appender
141 static const appender_t str_appender = {
148 * the obstack appender.
150 static const appender_t obst_appender = {
156 static void ir_common_vprintf(const appender_t *app, void *object,
157 size_t limit, const char *fmt, va_list args);
159 static INLINE void ir_common_printf(const appender_t *app, void *object,
160 size_t limit, const char *fmt, ...)
165 ir_common_vprintf(app, object, limit, fmt, args);
170 static int is_std_fmt(const char *fmt)
172 static const char *fmt_re_str =
173 "^[0 -+#']?[1-9]*(\\.[1-9]*)?[hlLqjzt]?[diouxXeEfFgGaAc]";
175 static regex_t fmt_re;
176 static int preapred_re = 0;
182 int res = regcomp(&fmt_re, fmt_re_str, REG_EXTENDED);
183 assert(res == 0 && "Could not prepare regex");
187 res = regexec(&fmt_re, fmt, 1, &match[0], 0);
192 regerror(res, &fmt_re, buf, sizeof(buf));
196 printf("res: %d, start: %d, end: %d\n",
197 res, match[0].rm_so, match[0].rm_eo);
200 return res == 0 ? match[0].rm_eo : -1;
212 /* Length specifiers. */
222 #define MIN(x,y) ((x) < (y) ? (x) : (y))
223 #define MAX(x,y) ((x) > (y) ? (x) : (y))
225 static void dump_with_settings(const appender_t *app, void *object, size_t limit,
226 const struct settings *settings, const char *str)
228 if(settings->width >= 0) {
230 size_t n = strlen(str);
231 int lim = MIN(settings->width, (int)limit);
232 int to_print = MIN(lim, (int)n);
233 int to_pad = to_print - lim;
235 if(!settings->left_just)
236 for(i = 0; i < to_pad; ++i)
237 app->append_char(object, lim, settings->pad);
239 app->append_str(object, to_print, str);
241 if(!settings->left_just)
242 for(i = 0; i < to_pad; ++i)
243 app->append_char(object, lim, settings->pad);
247 app->append_str(object, limit, str);
252 * A small printf helper routine for ir nodes.
253 * @param app An appender (this determines where the stuff is dumped
255 * @param object A target passed to the appender.
256 * @param limit The maximum number of characters to dump.
257 * @param fmt The format string.
258 * @param args A va_list.
260 static void ir_common_vprintf(const appender_t *app, void *object,
261 size_t limit, const char *fmt, va_list args)
267 #define DUMP_STR(s) app->append_str(object, limit, s)
268 #define DUMP_CH(ch) app->append_char(object, limit, ch)
270 app->init(object, limit);
272 for(i = 0, n = strlen(fmt); i < n; ++i) {
277 const char *len_str = "";
279 struct settings settings;
281 settings.alternate = 0;
284 settings.left_just = 0;
285 settings.put_plus = 0;
289 /* Clear the temporary buffer */
292 /* Set the string to print to the buffer by default. */
295 while(strchr("#0-+", ch)) {
298 settings.alternate = 1;
304 settings.left_just = 1;
307 settings.put_plus = 1;
315 /* Read the field width */
320 settings.width = (int) strtol(&fmt[i], &endptr, 10);
321 increase = (char *) endptr - &fmt[i];
322 ch = fmt[i += increase];
327 /* Ignore the precision */
329 while(isdigit(ch = fmt[++i]));
331 /* read the length modifier. */
336 if((ch = fmt[++i]) == 'h') {
345 if((ch = fmt[++i]) == 'l') {
355 /* Do the conversion specifier. */
358 /* The percent itself */
365 buf[0] = va_arg(args, int);
370 str = va_arg(args, const char *);
374 snprintf(buf, sizeof(buf), "%p", va_arg(args, void *));
383 snprintf(fmt_str, sizeof(fmt_str), "%%%s%c", len_str, ch);
390 int arg = va_arg(args, int);
391 snprintf(buf, sizeof(buf), fmt_str, arg);
397 long arg = va_arg(args, long);
398 snprintf(buf, sizeof(buf), fmt_str, arg);
404 int64_t arg = va_arg(args, int64_t);
405 snprintf(buf, sizeof(buf), fmt_str, arg);
413 str = get_id_str(va_arg(args, ident *));
417 str = get_type_name(va_arg(args, type *));
421 str = get_entity_name(va_arg(args, entity *));
425 str = get_entity_ld_name(va_arg(args, entity *));
429 tarval_snprintf(buf, sizeof(buf), va_arg(args, tarval *));
434 ir_node *irn = va_arg(args, ir_node *);
435 snprintf(buf, sizeof(buf), "%s%s:%ld",
436 get_irn_opname(irn), get_mode_name(get_irn_mode(irn)), get_irn_node_nr(irn));
441 str = get_irn_opname(va_arg(args, ir_node *));
445 snprintf(buf, sizeof(buf), "%ld", get_irn_node_nr(va_arg(args, ir_node *)));
449 str = get_mode_name(va_arg(args, ir_mode *));
453 snprintf(buf, sizeof(buf), "%ld",
454 get_irn_node_nr(get_nodes_block(va_arg(args, ir_node *))));
459 const bitset_t *bs = va_arg(args, const bitset_t *);
460 const char *prefix = "";
464 for(i = bitset_next_set(bs, 0); i != -1; i = bitset_next_set(bs, i + 1)) {
465 snprintf(buf, sizeof(buf), "%ld", i);
477 iterator_t *it = va_arg(args, iterator_t *);
478 void *collection = va_arg(args, void *);
480 const char *prefix = "";
481 char format = fmt[++i];
482 ir_printf_cb_t *cb = format == 'C' ? va_arg(args, ir_printf_cb_t *) : NULL;
484 assert(is_iterator(it) && "Pass an iterator interface and the collection");
486 snprintf(buf, sizeof(buf), "%%%c", format);
489 for(curr = it->start(collection); curr; curr = it->next(collection, curr)) {
493 cb(app, object, limit, curr);
495 ir_common_printf(app, object, limit, buf, curr);
499 it->finish(collection, curr);
504 /* clean the buffer again */
509 dump_with_settings(app, object, limit, &settings, str);
521 * Convencience for stdout dumping.
523 void ir_printf(const char *fmt, ...)
527 ir_common_vprintf(&file_appender, stdout, 0, fmt, args);
532 * Convencience for file dumping.
534 void ir_fprintf(FILE *f, const char *fmt, ...)
538 ir_common_vprintf(&file_appender, f, 0, fmt, args);
543 * Convencience for string dumping.
545 void ir_snprintf(char *buf, size_t len, const char *fmt, ...)
549 ir_common_vprintf(&str_appender, buf, len, fmt, args);
554 * Convencience for string dumping.
556 void ir_obst_printf(struct obstack *obst, const char *fmt, ...)
560 ir_common_vprintf(&obst_appender, obst, 0, fmt, args);
564 void ir_vprintf(const char *fmt, va_list args)
566 ir_common_vprintf(&file_appender, stdout, 0, fmt, args);
569 void ir_vfprintf(FILE *f, const char *fmt, va_list args)
571 ir_common_vprintf(&file_appender, f, 0, fmt, args);
574 void ir_vsnprintf(char *buf, size_t len, const char *fmt, va_list args)
576 ir_common_vprintf(&str_appender, buf, len, fmt, args);
579 void ir_obst_vprintf(struct obstack *obst, const char *fmt, va_list args)
581 ir_common_vprintf(&obst_appender, obst, 0, fmt, args);