From 32f2ec86c4b83d1e0f3c0982566ff4de30edebb3 Mon Sep 17 00:00:00 2001
From: Keith Rothman <537074+litghost@users.noreply.github.com>
Date: Fri, 19 Mar 2021 18:26:00 -0700
Subject: Rework FPGA interchange site router.

The new site router should be robust to most situations, and isn't
significantly slower with the use of caching.

Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
---
 fpga_interchange/archdefs.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'fpga_interchange/archdefs.h')

diff --git a/fpga_interchange/archdefs.h b/fpga_interchange/archdefs.h
index d20c5ea4..8364520d 100644
--- a/fpga_interchange/archdefs.h
+++ b/fpga_interchange/archdefs.h
@@ -98,11 +98,14 @@ struct BelBucketId
     bool operator<(const BelBucketId &other) const { return name < other.name; }
 };
 
+struct SiteExpansionLoop;
+
 struct ArchNetInfo
 {
-};
+    virtual ~ArchNetInfo();
 
-struct NetInfo;
+    SiteExpansionLoop *loop = nullptr;
+};
 
 struct ArchCellInfo
 {
-- 
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