117 lines
3.9 KiB
C++
117 lines
3.9 KiB
C++
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#include "Liberty.h"
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namespace gt {
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void CellLib::uncomment(std::vector<char>& buffer) {
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auto fsize = buffer.size() > 0 ? buffer.size() - 1 : 0;
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for (size_t i = 0; i < fsize; ++i) {
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// Block comment
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if (buffer[i] == '/' && buffer[i + 1] == '*') {
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buffer[i] = buffer[i + 1] = ' ';
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for (i = i + 2; i < fsize; buffer[i++] = ' ') {
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if (buffer[i] == '*' && buffer[i + 1] == '/') {
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buffer[i] = buffer[i + 1] = ' ';
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i = i + 1;
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break;
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}
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}
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}
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// Line comment
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if (buffer[i] == '/' && buffer[i + 1] == '/') {
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buffer[i] = buffer[i + 1] = ' ';
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for (i = i + 2; i < fsize; ++i) {
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if (buffer[i] == '\n' || buffer[i] == '\r') {
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break;
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} else
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buffer[i] = ' ';
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}
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}
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// Pond comment
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if (buffer[i] == '#') {
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buffer[i] = ' ';
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for (i = i + 1; i < fsize; ++i) {
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if (buffer[i] == '\n' || buffer[i] == '\r') {
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break;
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} else
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buffer[i] = ' ';
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}
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}
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}
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}
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void CellLib::tokenize(const std::vector<char>& buf, std::vector<std::string_view>& tokens) {
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static std::string_view dels = "(),:;/#[]{}*\"\\";
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const char* beg = buf.data();
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const char* end = buf.data() + buf.size();
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const char* token{nullptr};
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size_t len{0};
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tokens.clear();
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for (const char* itr = beg; itr != end && *itr != 0; ++itr) {
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if (std::isspace(*itr) || (dels.find(*itr) != std::string_view::npos)) {
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if (len > 0) { // Add the current token.
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tokens.push_back({token, len});
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token = nullptr;
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len = 0;
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}
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if (*itr == '(' || *itr == ')' || *itr == '{' || *itr == '}') {
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tokens.push_back({itr, 1});
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}
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} else {
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if (len == 0) {
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token = itr;
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}
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++len;
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}
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}
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if (len > 0) {
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tokens.push_back({token, len});
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}
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}
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LibertyCell* CellLib::get_cell(const std::string& name) {
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if (auto itr = lib_cells_.find(name); itr == lib_cells_.end()) {
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return nullptr;
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} else {
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return itr->second;
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}
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}
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int LibertyCell::get_port(const std::string& name) {
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if (auto itr = ports_map_.find(name); itr == ports_map_.end()) {
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return -1;
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} else {
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return itr->second;
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}
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}
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EnumNameMap<DelayModel> delay_model_name_map = {{DelayModel::generic_cmos, "generic_cmos"},
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{DelayModel::table_lookup, "table_lookup"},
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{DelayModel::cmos2, "cmos2"},
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{DelayModel::piecewise_cmos, "piecewise_cmos"},
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{DelayModel::dcm, "dcm"},
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{DelayModel::polynomial, "polynomial"},
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{DelayModel::unknown, "unknown"}};
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DelayModel findDelayModel(const std::string model_name) {
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return delay_model_name_map.find(model_name, DelayModel::unknown);
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}
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EnumNameMap<CellPortDirection> port_direction_name_map = {{CellPortDirection::input, "input"},
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{CellPortDirection::output, "output"},
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{CellPortDirection::inout, "inout"},
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{CellPortDirection::internal, "internal"},
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{CellPortDirection::unknown, "unknown"}};
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CellPortDirection findPortDirection(const std::string dir_name) {
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return port_direction_name_map.find(dir_name, CellPortDirection::unknown);
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}
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} // namespace gt
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