--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ueda/sverp/struct.h	Mon Jul 20 00:24:37 2015 +0000
@@ -0,0 +1,92 @@
+/*
+ * Data structures for our structural Verilog to flat netlist processor
+ */
+
+/*
+ * Definition of a module as a thing in itself, before elaboration
+ */
+struct module_def {
+	char	*name;
+	struct	module_def *next;
+	int	is_primitive;
+	/* ports and internal nets */
+	struct	module_net_def *nets;
+	int	nports;
+	/* counts of individual wires (buses expanded) */
+	int	nwires_ports;
+	int	nwires_internal;
+	/* downward instantiations */
+	struct	module_def_subinst *subinst;
+	/* primitives only */
+	int	prim_numeric_pins;
+	int	prim_is_mapped;
+};
+
+/*
+ * Definition of a wire or bus visible in a module (thing-in-itself),
+ * either port or internal wire.
+ */
+struct module_net_def {
+	char	*name;
+	struct	module_net_def *next;
+	int	is_port;
+	int	def_complete;
+	int	is_bus;
+	int	bus_msb;
+	int	bus_lsb;
+	int	bus_width;
+	int	array_index;
+};
+
+/*
+ * Definition of an instantiation statement in a module as a thing-in-itself
+ */
+struct module_def_subinst {
+	char	*submod_name;
+	struct	module_def *submod_def;
+	char	*inst_name;
+	struct	module_def_subinst *next;
+	struct	connect_entry *connections;
+	int	connect_by_order;
+};
+
+/*
+ * Definition of a connection from a module to a downward port
+ */
+struct connect_entry {
+	struct	connect_entry *next;
+	/* upper end of the connection */
+	struct	module_net_def *up_netdef;	/* NULL means no connect */
+	int	up_offset;
+	int	up_width;
+	/* lower end of the connection before link pass */
+	char	*down_portname;		/* NULL means connect by order */
+	int	down_range_given;
+	int	down_range_msb;
+	int	down_range_lsb;
+	/* lower end of the connection after link pass */
+	struct	module_net_def *down_portdef;
+	int	down_offset;
+	int	down_width;
+	/* source line number */
+	int	src_lineno;
+};
+
+/* output of the elaboration pass */
+
+struct output_net {
+	char	*name;		/* NULL means no connect */
+	int	npoints;	/* # of package pins connected to this net */
+	struct	output_net *next;
+	/* no-connect pseudo-nets */
+	char	*nc_module_name;
+	int	nc_module_lineno;
+	char	*nc_module_inst;
+};
+
+struct output_element {
+	struct	module_def *prim_def;
+	char	*hier_inst_name;
+	struct	output_net **connections;
+	struct	output_element *next;
+};