Implement high-level configuration format

# Conflicts:
#	icebox/Makefile

1 files changed, 79 insertions, 0 deletions

diff --git a/icebox/tc_xlat_netnames.py b/icebox/tc_xlat_netnames.py
new file mode 100644
index 0000000..53b73de
--- /dev/null
+++ b/icebox/tc_xlat_netnames.py
@@ -0,0 +1,79 @@
+# Test case for `icebox_asc2hlc': Does net name translation work correctly?
+# Copyright (C) 2017 Roland Lutz
+#
+# This program is free software: you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation, either version 3 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+import sys
+import icebox
+from icebox_asc2hlc import translate_netname
+
+def test_netname_translation(ic):
+    sys.stderr.write("testing forward netname translation "
+                     "for the `%s' device...\n" % ic.device)
+    all_tiles = set()
+    for x in range(ic.max_x + 1):
+        for y in range(ic.max_y + 1):
+            if ic.tile(x, y) is not None:
+                all_tiles.add((x, y))
+
+    netnames = set()
+    failed = False
+
+    for group in ic.group_segments(all_tiles, connect_gb = False):
+        is_span = set(net.startswith('sp') for x, y, net in group)
+        assert len(is_span) == 1
+        if True not in is_span:
+            # only span nets are interesting here
+            continue
+
+        s = set()
+        for seg in group:
+            s.add(translate_netname(seg[0], seg[1],
+                                    ic.max_x - 1, ic.max_y - 1, seg[2]))
+        if len(s) != 1:
+            failed = True
+            print("translated netnames don't match")
+            for seg in group:
+                print("%d %d %s" % seg, "->",
+                      translate_netname(seg[0], seg[1],
+                                        ic.max_x - 1, ic.max_y - 1, seg[2]))
+            print()
+
+        for dulpicate_netname in netnames.intersection(s):
+            failed = True
+            print("duplicate netname: %s" % dulpicate_netname)
+            for seg in group:
+                print("%d %d %s" % seg, "->",
+                      translate_netname(seg[0], seg[1],
+                                        ic.max_x - 1, ic.max_y - 1, seg[2]))
+            print()
+
+        netnames.update(s)
+
+    if failed:
+        sys.stderr.write("ERROR\n")
+        sys.exit(1)
+
+def main():
+    ic = icebox.iceconfig()
+    ic.setup_empty_384()
+    test_netname_translation(ic)
+
+    ic = icebox.iceconfig()
+    ic.setup_empty_1k()
+    test_netname_translation(ic)
+
+    ic = icebox.iceconfig()
+    ic.setup_empty_8k()
+    test_netname_translation(ic)
+
+if __name__ == '__main__':
+    main()