From 965ba00e0fdc09727f241c361bc5b202d925c8e4 Mon Sep 17 00:00:00 2001
From: Keith Rothman <537074+litghost@users.noreply.github.com>
Date: Wed, 17 Mar 2021 16:53:05 -0700
Subject: Moving hash map/set type selection to header.

Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
---
 common/hash_table.h | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 common/hash_table.h

(limited to 'common/hash_table.h')

diff --git a/common/hash_table.h b/common/hash_table.h
new file mode 100644
index 00000000..759580da
--- /dev/null
+++ b/common/hash_table.h
@@ -0,0 +1,48 @@
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2021  Symbiflow Authors
+ *
+ *  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.
+ *
+ */
+
+#ifndef HASH_TABLE_H
+#define HASH_TABLE_H
+
+#if defined(NPNR_DISABLE_THREADS)
+#include <unordered_map>
+#include <unordered_set>
+#else
+#include <absl/container/flat_hash_map.h>
+#include <absl/container/flat_hash_set.h>
+#endif
+
+#include "nextpnr_namespaces.h"
+
+NEXTPNR_NAMESPACE_BEGIN
+
+namespace HashTables {
+#if defined(NPNR_DISABLE_THREADS)
+template <typename Key, typename Value> using HashMap = std::unordered_map<Key, Value>;
+template <typename Value> using HashSet = std::unordered_set<Value>;
+#else
+template <typename Key, typename Value> using HashMap = absl::flat_hash_map<Key, Value>;
+template <typename Value> using HashSet = absl::flat_hash_set<Value>;
+#endif
+
+}; // namespace HashTables
+
+NEXTPNR_NAMESPACE_END
+
+#endif /* HASH_TABLE_H */
-- 
cgit v1.2.3