Add ENTER_with_name and LEAVE_with_name to automaticly check for matching ENTER/LEAVE when debugging is enabled

1 files changed, 28 insertions, 0 deletions

diff --git a/scope.h b/scope.h
index 75177981d5..9fd3bce578 100644
--- a/scope.h
+++ b/scope.h
@@ -100,6 +100,20 @@ Opening bracket on a callback.  See C<LEAVE> and L<perlcall>.
 =for apidoc Ams||LEAVE
 Closing bracket on a callback.  See C<ENTER> and L<perlcall>.
 
+=over
+
+=item ENTER_with_name(name)
+
+Same as C<ENTER>, but when debugging is enabled it also associates the
+given literal string with the new scope.
+
+=item LEAVE_with_name(name)
+
+Same as C<LEAVE>, but when debugging is enabled it first checks that the
+scope has the given name. Name must be a literal string.
+
+=back
+
 =cut
 */
 
@@ -117,9 +131,23 @@ Closing bracket on a callback.  See C<ENTER> and L<perlcall>.
 	DEBUG_SCOPE("LEAVE")					\
 	pop_scope();						\
     } STMT_END
+#define ENTER_with_name(name)						\
+    STMT_START {							\
+	push_scope();							\
+	PL_scopestack_name[PL_scopestack_ix-1] = name;			\
+	DEBUG_SCOPE("ENTER \"" name "\"")				\
+    } STMT_END
+#define LEAVE_with_name(name)						\
+    STMT_START {							\
+	DEBUG_SCOPE("LEAVE \"" name "\"")				\
+	assert(strEQ(PL_scopestack_name[PL_scopestack_ix-1], name));	\
+	pop_scope();							\
+    } STMT_END
 #else
 #define ENTER push_scope()
 #define LEAVE pop_scope()
+#define ENTER_with_name(name) ENTER
+#define LEAVE_with_name(name) LEAVE
 #endif
 #define LEAVE_SCOPE(old) if (PL_savestack_ix > old) leave_scope(old)