1 files changed, 57 insertions, 0 deletions
diff --git a/icebox/icebox_diff.py b/icebox/icebox_diff.py
new file mode 100755
index 0000000..d1790a9
--- /dev/null
+++ b/icebox/icebox_diff.py
@@ -0,0 +1,57 @@
+#!/usr/bin/python
+#
+#  Copyright (C) 2015  Clifford Wolf <clifford@clifford.at>
+#
+#  Permission to use, copy, modify, and/or distribute this software for any
+#  purpose with or without fee is hereby granted, provided that the above
+#  copyright notice and this permission notice appear in all copies.
+#
+#  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+#  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+#  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+#  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+#  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+#  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+#  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
+
+from __future__ import division
+from __future__ import print_function
+
+import icebox
+import sys
+
+print("Reading file '%s'.." % sys.argv[1])
+ic1 = icebox.iceconfig()
+ic1.read_file(sys.argv[1])
+
+print("Reading file '%s'.." % sys.argv[2])
+ic2 = icebox.iceconfig()
+ic2.read_file(sys.argv[2])
+
+def diff_tiles(stmt, tiles1, tiles2):
+    for i in sorted(set(tiles1.keys() + tiles2.keys())):
+        if not i in tiles1:
+            print("+ %s %d %d" % (stmt, i[0], i[1]))
+            for line in tiles2[i]:
+                print("+ %s" % line)
+            continue
+        if not i in tiles2:
+            print("- %s %d %d" % (stmt, i[0], i[1]))
+            for line in tiles1[i]:
+                print("- %s" % line)
+            continue
+        if tiles1[i] == tiles2[i]:
+            continue
+        print("  %s %d %d" % (stmt, i[0], i[1]))
+        for c in range(len(tiles1[i])):
+            if tiles1[i][c] == tiles2[i][c]:
+                print("  %s" % tiles1[i][c])
+            else:
+                print("- %s" % tiles1[i][c])
+                print("+ %s" % tiles2[i][c])
+
+diff_tiles(".io_tile", ic1.io_tiles, ic2.io_tiles)
+diff_tiles(".logic_tile", ic1.logic_tiles, ic2.logic_tiles)
+diff_tiles(".ram_tile", ic1.ram_tiles, ic2.ram_tiles)
+