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-rw-r--r--contrib/netbsd-tests/lib/libc/regex/debug.c266
1 files changed, 266 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/regex/debug.c b/contrib/netbsd-tests/lib/libc/regex/debug.c
new file mode 100644
index 0000000..c1528b9
--- /dev/null
+++ b/contrib/netbsd-tests/lib/libc/regex/debug.c
@@ -0,0 +1,266 @@
+/* $NetBSD: debug.c,v 1.2 2011/10/10 04:32:41 christos Exp $ */
+
+/*-
+ * Copyright (c) 1993 The NetBSD Foundation, 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:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+#include <ctype.h>
+#include <limits.h>
+#include <regex.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <sys/types.h>
+
+/* Don't sort these! */
+#include "utils.h"
+#include "regex2.h"
+
+#include "test_regex.h"
+
+static void s_print(struct re_guts *, FILE *);
+static char *regchar(int);
+
+/*
+ * regprint - print a regexp for debugging
+ */
+void
+regprint(regex_t *r, FILE *d)
+{
+ struct re_guts *g = r->re_g;
+ int c;
+ int last;
+ int nincat[NC];
+
+ fprintf(d, "%ld states, %zu categories", (long)g->nstates,
+ g->ncategories);
+ fprintf(d, ", first %ld last %ld", (long)g->firststate,
+ (long)g->laststate);
+ if (g->iflags&USEBOL)
+ fprintf(d, ", USEBOL");
+ if (g->iflags&USEEOL)
+ fprintf(d, ", USEEOL");
+ if (g->iflags&BAD)
+ fprintf(d, ", BAD");
+ if (g->nsub > 0)
+ fprintf(d, ", nsub=%ld", (long)g->nsub);
+ if (g->must != NULL)
+ fprintf(d, ", must(%ld) `%*s'", (long)g->mlen, (int)g->mlen,
+ g->must);
+ if (g->backrefs)
+ fprintf(d, ", backrefs");
+ if (g->nplus > 0)
+ fprintf(d, ", nplus %ld", (long)g->nplus);
+ fprintf(d, "\n");
+ s_print(g, d);
+ for (size_t i = 0; i < g->ncategories; i++) {
+ nincat[i] = 0;
+ for (c = CHAR_MIN; c <= CHAR_MAX; c++)
+ if (g->categories[c] == i)
+ nincat[i]++;
+ }
+ fprintf(d, "cc0#%d", nincat[0]);
+ for (size_t i = 1; i < g->ncategories; i++)
+ if (nincat[i] == 1) {
+ for (c = CHAR_MIN; c <= CHAR_MAX; c++)
+ if (g->categories[c] == i)
+ break;
+ fprintf(d, ", %zu=%s", i, regchar(c));
+ }
+ fprintf(d, "\n");
+ for (size_t i = 1; i < g->ncategories; i++)
+ if (nincat[i] != 1) {
+ fprintf(d, "cc%zu\t", i);
+ last = -1;
+ for (c = CHAR_MIN; c <= CHAR_MAX+1; c++) /* +1 does flush */
+ if (c <= CHAR_MAX && g->categories[c] == i) {
+ if (last < 0) {
+ fprintf(d, "%s", regchar(c));
+ last = c;
+ }
+ } else {
+ if (last >= 0) {
+ if (last != c-1)
+ fprintf(d, "-%s",
+ regchar(c-1));
+ last = -1;
+ }
+ }
+ fprintf(d, "\n");
+ }
+}
+
+/*
+ * s_print - print the strip for debugging
+ */
+static void
+s_print(struct re_guts *g, FILE *d)
+{
+ sop *s;
+ cset *cs;
+ int done = 0;
+ sop opnd;
+ int col = 0;
+ ssize_t last;
+ sopno offset = 2;
+# define GAP() { if (offset % 5 == 0) { \
+ if (col > 40) { \
+ fprintf(d, "\n\t"); \
+ col = 0; \
+ } else { \
+ fprintf(d, " "); \
+ col++; \
+ } \
+ } else \
+ col++; \
+ offset++; \
+ }
+
+ if (OP(g->strip[0]) != OEND)
+ fprintf(d, "missing initial OEND!\n");
+ for (s = &g->strip[1]; !done; s++) {
+ opnd = OPND(*s);
+ switch (OP(*s)) {
+ case OEND:
+ fprintf(d, "\n");
+ done = 1;
+ break;
+ case OCHAR:
+ if (strchr("\\|()^$.[+*?{}!<> ", (char)opnd) != NULL)
+ fprintf(d, "\\%c", (char)opnd);
+ else
+ fprintf(d, "%s", regchar((char)opnd));
+ break;
+ case OBOL:
+ fprintf(d, "^");
+ break;
+ case OEOL:
+ fprintf(d, "$");
+ break;
+ case OBOW:
+ fprintf(d, "\\{");
+ break;
+ case OEOW:
+ fprintf(d, "\\}");
+ break;
+ case OANY:
+ fprintf(d, ".");
+ break;
+ case OANYOF:
+ fprintf(d, "[(%ld)", (long)opnd);
+ cs = &g->sets[opnd];
+ last = -1;
+ for (size_t i = 0; i < g->csetsize+1; i++) /* +1 flushes */
+ if (CHIN(cs, i) && i < g->csetsize) {
+ if (last < 0) {
+ fprintf(d, "%s", regchar(i));
+ last = i;
+ }
+ } else {
+ if (last >= 0) {
+ if (last != (ssize_t)i - 1)
+ fprintf(d, "-%s",
+ regchar(i - 1));
+ last = -1;
+ }
+ }
+ fprintf(d, "]");
+ break;
+ case OBACK_:
+ fprintf(d, "(\\<%ld>", (long)opnd);
+ break;
+ case O_BACK:
+ fprintf(d, "<%ld>\\)", (long)opnd);
+ break;
+ case OPLUS_:
+ fprintf(d, "(+");
+ if (OP(*(s+opnd)) != O_PLUS)
+ fprintf(d, "<%ld>", (long)opnd);
+ break;
+ case O_PLUS:
+ if (OP(*(s-opnd)) != OPLUS_)
+ fprintf(d, "<%ld>", (long)opnd);
+ fprintf(d, "+)");
+ break;
+ case OQUEST_:
+ fprintf(d, "(?");
+ if (OP(*(s+opnd)) != O_QUEST)
+ fprintf(d, "<%ld>", (long)opnd);
+ break;
+ case O_QUEST:
+ if (OP(*(s-opnd)) != OQUEST_)
+ fprintf(d, "<%ld>", (long)opnd);
+ fprintf(d, "?)");
+ break;
+ case OLPAREN:
+ fprintf(d, "((<%ld>", (long)opnd);
+ break;
+ case ORPAREN:
+ fprintf(d, "<%ld>))", (long)opnd);
+ break;
+ case OCH_:
+ fprintf(d, "<");
+ if (OP(*(s+opnd)) != OOR2)
+ fprintf(d, "<%ld>", (long)opnd);
+ break;
+ case OOR1:
+ if (OP(*(s-opnd)) != OOR1 && OP(*(s-opnd)) != OCH_)
+ fprintf(d, "<%ld>", (long)opnd);
+ fprintf(d, "|");
+ break;
+ case OOR2:
+ fprintf(d, "|");
+ if (OP(*(s+opnd)) != OOR2 && OP(*(s+opnd)) != O_CH)
+ fprintf(d, "<%ld>", (long)opnd);
+ break;
+ case O_CH:
+ if (OP(*(s-opnd)) != OOR1)
+ fprintf(d, "<%ld>", (long)opnd);
+ fprintf(d, ">");
+ break;
+ default:
+ fprintf(d, "!%d(%d)!", OP(*s), opnd);
+ break;
+ }
+ if (!done)
+ GAP();
+ }
+}
+
+/*
+ * regchar - make a character printable
+ */
+static char * /* -> representation */
+regchar(int ch)
+{
+ static char buf[10];
+
+ if (isprint(ch) || ch == ' ')
+ sprintf(buf, "%c", ch);
+ else
+ sprintf(buf, "\\%o", ch);
+ return(buf);
+}
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