Reporting is active when URJ_JAM_YYDEBUG is defined
Signed-off-by: Peter Pöschl <[email protected]>
---
urjtag/src/stapl/jamexp.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/urjtag/src/stapl/jamexp.c b/urjtag/src/stapl/jamexp.c
index 5e1f9d92..60a8d8fb 100644
--- a/urjtag/src/stapl/jamexp.c
+++ b/urjtag/src/stapl/jamexp.c
@@ -15,6 +15,9 @@
#include "jamarray.h"
#include "jamutil.h"
#include "jamytab.h"
+#ifdef URJ_JAM_YYDEBUG
+#include <stdio.h>
+#endif // URJ_JAM_YYDEBUG
/* ------------- LEXER DEFINITIONS -----------------------------------------*/
@@ -1580,6 +1583,17 @@ urj_jam_yyparse (void)
if (jam_yychk[jam_yyn = jam_yyact[jam_yyn]] == token)
{ /* valid shift */
+#ifdef URJ_JAM_YYDEBUG
+ if (token <= 0xff)
+ {
+ printf("# .. shift '%c' -> state %d\n", token, jam_yyn);
+ }
+ else
+ {
+ // symbols are NOT jam_keyword_table[*].token!
+ printf("# .. shift %d -> state %d\n", token, jam_yyn);
+ }
+#endif // URJ_JAM_YYDEBUG
token = -1;
urj_jam_yyval = urj_jam_yylval;
jam_yystate = jam_yyn;
@@ -1666,6 +1680,14 @@ urj_jam_yyparse (void)
if (jam_yyj >= YYLAST
|| jam_yychk[jam_yystate = jam_yyact[jam_yyj]] != -jam_yyn)
jam_yystate = jam_yyact[jam_yypgo[jam_yyn]];
+#ifdef URJ_JAM_YYDEBUG
+ printf("# .. reduce P%d:", jam_yym);
+ for (int ri = -jam_yyr2[jam_yym] + 1; ri <= 0; ++ ri)
+ {
+ printf(" (t=%d v=%d)", jam_yypvt[ri].type, jam_yypvt[ri].val);
+ }
+ printf(" -> sym %d, state %d\n", jam_yyn, jam_yystate);
+#endif // URJ_JAM_YYDEBUG
switch (jam_yym)
{
--
2.35.1
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