From 7e879953d62d486eff62a27fe94b7b5894a251b8 Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Tue, 12 Jun 2018 15:37:28 +0200 Subject: Add proper fast IdString Signed-off-by: Clifford Wolf --- common/nextpnr.cc | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 common/nextpnr.cc (limited to 'common/nextpnr.cc') diff --git a/common/nextpnr.cc b/common/nextpnr.cc new file mode 100644 index 00000000..ce2cef63 --- /dev/null +++ b/common/nextpnr.cc @@ -0,0 +1,35 @@ +/* + * nextpnr -- Next Generation Place and Route + * + * Copyright (C) 2018 Clifford Wolf + * + * 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. + * + */ + +#include "nextpnr.h" + +NEXTPNR_NAMESPACE_BEGIN + +std::unordered_map *IdString::database_str_to_idx = nullptr; +std::vector *IdString::database_idx_to_str = nullptr; + +void IdString::initialize() +{ + database_str_to_idx = new std::unordered_map; + database_idx_to_str = new std::vector; + auto insert_rc = database_str_to_idx->insert({std::string(), 0}); + database_idx_to_str->push_back(&insert_rc.first->first); +} + +NEXTPNR_NAMESPACE_END -- cgit v1.2.3