Update of /cvsroot/monetdb/pathfinder/compiler/algebra/opt
In directory 23jxhf1.ch3.sourceforge.com:/tmp/cvs-serv22217/compiler/algebra/opt
Modified Files:
opt_general.brg
Log Message:
propagated changes of Monday Feb 16 2009 - Tuesday Feb 17 2009
from the Feb2009 branch to the development trunk
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2009/02/16 - tsheyar: compiler/algebra/opt/opt_general.brg,1.63.2.1
-- For constructed element and document nodes with empty content allow
all nodes defined in the grammar.
-- Rewrite the content of an empty element or document constructors
into a unified variant ('fncs (nil, nil)' -> 'nil').
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
U opt_general.brg
Index: opt_general.brg
===================================================================
RCS file: /cvsroot/monetdb/pathfinder/compiler/algebra/opt/opt_general.brg,v
retrieving revision 1.63
retrieving revision 1.64
diff -u -d -r1.63 -r1.64
--- opt_general.brg 22 Jan 2009 17:07:58 -0000 1.63
+++ opt_general.brg 17 Feb 2009 00:53:57 -0000 1.64
@@ -252,15 +252,16 @@
Fcns: fcns (Twig, Fcns) = 87 (10);
Fcns: fcns (content (Frag, EmptyRel), Fcns) = 88 (10);
-Fcns: nil = 89 (10);
+Fcns: fcns (nil, nil) = 89 (10);
+Fcns: nil = 90 (10);
-Side: error (Side, Rel) = 90 (10);
-Side: nil = 91 (10);
-Side: trace (Side, Trc) = 92 (10);
-Trc: trace_items (Rel, Msg) = 93 (10);
-Msg: trace_msg (Rel, Map) = 94 (10);
-Map: trace_map (Rel, Map) = 95 (10);
-Map: nil = 96 (10);
+Side: error (Side, Rel) = 91 (10);
+Side: nil = 92 (10);
+Side: trace (Side, Trc) = 93 (10);
+Trc: trace_items (Rel, Msg) = 94 (10);
+Msg: trace_msg (Rel, Map) = 95 (10);
+Map: trace_map (Rel, Map) = 96 (10);
+Map: nil = 97 (10);
Rel: rec_fix (side_effects (Side, Rec), Rel) = 98 (10);
Rel: rec_base = 99 (10);
@@ -1484,6 +1485,8 @@
/* Fcns: fcns (content (Frag, EmptyRel), Fcns) */
case 88:
+ /* Fcns: fcns (nil, nil) */
+ case 89:
/* This rewrite splits up the R(p) operator... */
*p = *R(p);
/* ... and we at least have to create a new property to avoid
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