1 files changed, 75 insertions, 0 deletions
diff --git a/src/grammar1.c b/src/grammar1.c
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+++ b/src/grammar1.c
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+/***********************************************************
+Copyright 1991 by Stichting Mathematisch Centrum, Amsterdam, The
+Netherlands.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior permission.
+
+STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
+THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
+FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+/* Grammar subroutines needed by parser */
+
+#include "pgenheaders.h"
+#include "assert.h"
+#include "grammar.h"
+#include "token.h"
+
+/* Return the DFA for the given type */
+
+dfa *
+finddfa(g, type)
+ grammar *g;
+ register int type;
+{
+ register int i;
+ register dfa *d;
+
+ for (i = g->g_ndfas, d = g->g_dfa; --i >= 0; d++) {
+ if (d->d_type == type)
+ return d;
+ }
+ assert(0);
+ /* NOTREACHED */
+}
+
+char *
+labelrepr(lb)
+ label *lb;
+{
+ static char buf[100];
+
+ if (lb->lb_type == ENDMARKER)
+ return "EMPTY";
+ else if (ISNONTERMINAL(lb->lb_type)) {
+ if (lb->lb_str == NULL) {
+ sprintf(buf, "NT%d", lb->lb_type);
+ return buf;
+ }
+ else
+ return lb->lb_str;
+ }
+ else {
+ if (lb->lb_str == NULL)
+ return tok_name[lb->lb_type];
+ else {
+ sprintf(buf, "%.32s(%.32s)",
+ tok_name[lb->lb_type], lb->lb_str);
+ return buf;
+ }
+ }
+}