Initial commit

1 files changed, 55 insertions, 0 deletions

diff --git a/pkg/tbtables/selector/trs.h b/pkg/tbtables/selector/trs.h
new file mode 100644
index 00000000..325b967f
--- /dev/null
+++ b/pkg/tbtables/selector/trs.h
@@ -0,0 +1,55 @@
+# TRS.H -- Constants used by trs procedures
+
+define	TRS_MAGIC	5526099
+
+define	MAXDEPTH	32
+define	MAXSTACK	8
+
+define	SZ_BUFFER	600
+define	SZ_INSTR	6
+define	SZ_NODE		5
+define	SZ_TOKEN	32
+
+define	LEN_TRSBUF	4
+
+define	TRS_IDENT	Memi[$1]		# Structure identifier
+define	TRS_CODE	Memi[$1+1]		# Code buffer
+define	TRS_VALUE	Memi[$1+2]		# Value buffer
+define	TRS_ROWS	Memi[$1+3]		# Row set
+
+define	OCODE		0
+define	OCOLUMN		1
+define	OTJUMP		2
+define	OFJUMP		3
+define	OLOVAL		4
+define	OHIVAL		5
+
+define	CODE		Memi[$1+OCODE]
+define	COLUMN		Memi[$1+OCOLUMN]
+define	TJUMP		Memi[$1+OTJUMP]
+define	FJUMP		Memi[$1+OFJUMP]
+define	LOVAL		Memi[$1+OLOVAL]
+define	HIVAL		Memi[$1+OHIVAL]
+
+define	TREE_OPER	Memi[$1]		# operation to be performed
+define	TREE_INST	Memi[$1+1]		# index of op in code buffer
+define	TREE_LEFT	Memi[$1+2]		# first argument of op
+define	TREE_RIGHT	Memi[$1+3]		# second argument of op
+define	TREE_UP		Memi[$1+4]		# back link in tree
+
+define	YDONE		1
+define	YRANGE		2
+define	YAND		3
+define	YOR		4
+define	YNOT		5
+define	YEQN		6
+define	YEQS		7
+define	YLEN		8
+define	YLES		9
+define	YINN		10
+define	YINS		11
+define	YGEN		12
+define	YGES		13
+define	YMSK		14
+
+define	YLOGICAL	($1 <= YNOT)