2005-10-07 Frank Ch. Eigler <fche@elastic.org>

	PR 1366.
	* staptree.h (foreach_loop): Add sort_column, sort_direction fields.
	* parse.cxx (parse_foreach_loop): Parse "+"/"-" suffix operators.
	* stap.1.in, stapex.5.in: Document them.
	* staptree.cxx (foreach_loop print, copy): Propagate them.
	* translate.cxx (visit_foreach_loop): Support them.
	* testsuite/parseok/fifteen.stp, parseko/thirteen.stp,
	buildok/twentyone.stp: Test them.

2005-10-07  Frank Ch. Eigler  <fche@elastic.org>

	PR 1366.
	* systemtap.samples/primes.*: Sort foreach gratuitiously.

1 files changed, 2 insertions, 0 deletions

diff --git a/staptree.h b/staptree.h
index fd19bd99..8bc901d5 100644
--- a/staptree.h
+++ b/staptree.h
@@ -312,6 +312,8 @@ struct foreach_loop: public statement
   std::vector<symbol*> indexes;
   std::string base;
   vardecl* base_referent;
+  int sort_direction; // -1: decreasing, 0: none, 1: increasing
+  unsigned sort_column; // 0: value, 1..N: index
 
   statement* block;
   void print (std::ostream& o) const;