gdb

	* parser-defs.h (parser_debug): Declare.
	* parse.c (_initialize_parse): Install "debug parser" set/show
	command.
	(parser_debug): New global.
	(show_parserdebug): New function.
	* c-exp.y (c_parse): Set yydebug.
gdb/testsuite
	* gdb.texinfo (Debugging Output): Document set debug parser and
	show debug parser.

1 files changed, 3 insertions, 0 deletions

diff --git a/gdb/c-exp.y b/gdb/c-exp.y
index 8e00979ff8a..845771c9b96 100644
--- a/gdb/c-exp.y
+++ b/gdb/c-exp.y
@@ -2450,6 +2450,9 @@ c_parse (void)
   gdb_assert (! macro_original_text);
   make_cleanup (scan_macro_cleanup, 0);
 
+  make_cleanup_restore_integer (&yydebug);
+  yydebug = parser_debug;
+
   /* Initialize some state used by the lexer.  */
   last_was_structop = 0;
   saw_name_at_eof = 0;