mirror of https://github.com/YosysHQ/nextpnr.git
87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2024 The Project Peppercorn Authors.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#ifndef GATEMATE_UTIL_H
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#define GATEMATE_UTIL_H
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#include <map>
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#include <set>
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#include <string>
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#include "nextpnr.h"
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#include "log.h"
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NEXTPNR_NAMESPACE_BEGIN
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template <typename KeyType>
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double double_or_default(const dict<KeyType, Property> &ct, const KeyType &key, double def = 0)
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{
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auto found = ct.find(key);
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if (found == ct.end())
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return def;
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else {
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if (found->second.is_string) {
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try {
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return std::stod(found->second.as_string());
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} catch (std::invalid_argument &e) {
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log_error("Expecting numeric value but got '%s'.\n", found->second.as_string().c_str());
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}
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} else
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return double(found->second.as_int64());
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}
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};
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template <typename KeyType>
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int extract_bits(const dict<KeyType, Property> &ct, const KeyType &key, int start, int bits, int def = 0)
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{
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Property extr = get_or_default(ct, key, Property()).extract(start, bits);
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if (extr.is_string) {
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try {
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return std::stoi(extr.as_string());
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} catch (std::invalid_argument &e) {
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log_error("Expecting numeric value but got '%s'.\n", extr.as_string().c_str());
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}
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} else
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return extr.as_int64();
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}
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template <typename T>
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std::vector<std::vector<T>> splitNestedVector(const std::vector<std::vector<T>> &input, size_t maxSize = 64)
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{
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std::vector<std::vector<T>> result;
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for (const auto &inner : input) {
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size_t i = 0;
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while (i < inner.size()) {
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size_t end = std::min(i + maxSize, inner.size());
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result.emplace_back(inner.begin() + i, inner.begin() + end);
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i = end;
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if (i < inner.size())
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log_warning("Carry chain has been split, expect timing penalty.\n");
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}
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}
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return result;
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}
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NEXTPNR_NAMESPACE_END
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#endif
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