295 lines
8.6 KiB
C++
295 lines
8.6 KiB
C++
/************************************************************************
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* Member functions for Port parsers
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***********************************************************************/
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#include <cstring>
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#include "vtr_assert.h"
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#include "vtr_geometry.h"
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#include "openfpga_tokenizer.h"
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#include "openfpga_port_parser.h"
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/* namespace openfpga begins */
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namespace openfpga {
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/************************************************************************
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* Member functions for PortParser class
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***********************************************************************/
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/************************************************************************
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* Constructors
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***********************************************************************/
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PortParser::PortParser (const std::string& data) {
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set_default_bracket();
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set_default_delim();
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set_data(data);
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}
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/************************************************************************
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* Public Accessors
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***********************************************************************/
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/* Get the data string */
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std::string PortParser::data() const {
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return data_;
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}
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BasicPort PortParser::port() const {
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return port_;
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}
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/************************************************************************
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* Public Mutators
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***********************************************************************/
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void PortParser::set_data(const std::string& data) {
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data_ = data;
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parse();
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return;
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}
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/************************************************************************
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* Internal Mutators
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***********************************************************************/
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/* Parse the data */
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void PortParser::parse() {
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/* Create a tokenizer */
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StringToken tokenizer(data_);
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/* Split the data into <port_name> and <pin_string> */
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std::vector<std::string> port_tokens = tokenizer.split(bracket_.x());
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/* Make sure we have a port name! */
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VTR_ASSERT_SAFE ((1 == port_tokens.size()) || (2 == port_tokens.size()));
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/* Store the port name! */
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port_.set_name(port_tokens[0]);
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/* If we only have one token */
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if (1 == port_tokens.size()) {
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port_.set_width(1);
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return; /* We can finish here */
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}
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/* Chomp the ']' */
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tokenizer.set_data(port_tokens[1]);
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std::vector<std::string> pin_tokens = tokenizer.split(bracket_.y());
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/* Make sure we have a valid string! */
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VTR_ASSERT_SAFE (1 == port_tokens.size());
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/* Split the pin string now */
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tokenizer.set_data(pin_tokens[0]);
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pin_tokens = tokenizer.split(delim_);
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/* Check if we have LSB and MSB or just one */
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if ( 1 == pin_tokens.size() ) {
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/* Single pin */
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port_.set_width(std::stoi(pin_tokens[0]), std::stoi(pin_tokens[0]));
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} else if ( 2 == pin_tokens.size() ) {
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/* A number of pins.
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* Note that we always use the LSB for token[0] and MSB for token[1]
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*/
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if (std::stoi(pin_tokens[1]) < std::stoi(pin_tokens[0])) {
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port_.set_width(std::stoi(pin_tokens[1]), std::stoi(pin_tokens[0]));
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} else {
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port_.set_width(std::stoi(pin_tokens[0]), std::stoi(pin_tokens[1]));
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}
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}
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return;
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}
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void PortParser::set_default_bracket() {
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bracket_.set_x('[');
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bracket_.set_y(']');
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return;
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}
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void PortParser::set_default_delim() {
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delim_ = ':';
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return;
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}
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/************************************************************************
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* Member functions for MultiPortParser class
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***********************************************************************/
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/************************************************************************
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* Constructors
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***********************************************************************/
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MultiPortParser::MultiPortParser (const std::string& data) {
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set_default_delim();
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set_data(data);
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}
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/************************************************************************
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* Public Accessors
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***********************************************************************/
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/* Get the data string */
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std::string MultiPortParser::data() const {
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return data_;
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}
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std::vector<BasicPort> MultiPortParser::ports() const {
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return ports_;
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}
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/************************************************************************
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* Public Mutators
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***********************************************************************/
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void MultiPortParser::set_data(const std::string& data) {
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data_ = data;
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parse();
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return;
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}
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/************************************************************************
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* Internal Mutators
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***********************************************************************/
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/* Split the data line into fragments and parse one by one */
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void MultiPortParser::parse() {
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/* Clear content */
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clear();
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/* Create a tokenizer */
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StringToken tokenizer(data_);
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/* Split the data into <port_name> and <pin_string> */
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std::vector<std::string> port_tokens = tokenizer.split(delim_);
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/* Use PortParser for each token */
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for (const auto& port : port_tokens) {
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PortParser port_parser(port);
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/* Get the port name, LSB and MSB */
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ports_.push_back(port_parser.port());
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}
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return;
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}
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void MultiPortParser::set_default_delim() {
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delim_ = ' ';
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return;
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}
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void MultiPortParser::clear() {
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ports_.clear();
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return;
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}
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/************************************************************************
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* Member functions for PortDelayParser class
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***********************************************************************/
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/************************************************************************
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* Constructors
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***********************************************************************/
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PortDelayParser::PortDelayParser (const std::string& data) {
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set_default_element_delim();
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set_default_line_delim();
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set_data(data);
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}
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/************************************************************************
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* Public Accessors
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***********************************************************************/
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/* Get the data string */
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std::string PortDelayParser::data() const {
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return data_;
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}
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/* Get the size of delay matrix [height, width]*/
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size_t PortDelayParser::height() const {
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return delay_matrix_.dim_size(0);
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}
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size_t PortDelayParser::width() const {
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return delay_matrix_.dim_size(1);
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}
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vtr::Point<size_t> PortDelayParser::delay_size() const {
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vtr::Point<size_t> matrix_size(height(), width());
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return matrix_size;
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}
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float PortDelayParser::delay(size_t x, size_t y) const {
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/* Make sure x and y are in range */
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VTR_ASSERT_SAFE( (x < width()) && (y < height()) );
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return delay_matrix_[x][y];
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}
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/************************************************************************
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* Public Mutators
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***********************************************************************/
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void PortDelayParser::set_data(const std::string& data) {
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data_ = data;
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parse();
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return;
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}
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/************************************************************************
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* Internal Mutators
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***********************************************************************/
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/* Split the data line into fragments and parse one by one */
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void PortDelayParser::parse() {
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/* Clear content */
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clear();
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/* Create a tokenizer */
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StringToken delay_tokenizer(data_);
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/* Ensure a clean start! Trim whitespace at the beginning and end of the string */
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delay_tokenizer.trim();
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/* Split the data into different lines */
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std::vector<std::string> delay_lines = delay_tokenizer.split(line_delim_);
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/* The number of lines is actually the height of delay matrix */
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size_t matrix_height = delay_lines.size();
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size_t matrix_width = 0;
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/* Visit each line and split with element_delim */
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for (const auto& line : delay_lines) {
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/* Create a tokenizer for each line */
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StringToken line_tokenizer(line);
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std::vector<std::string> delay_elements = line_tokenizer.split(element_delim_);
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/* Get maximum number of length, which is the width of delay matrix */
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matrix_width = std::max(matrix_width, delay_elements.size());
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}
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/* Resize matrix */
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delay_matrix_.resize({matrix_height, matrix_width});
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/* Fill matrix */
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for (const auto& line : delay_lines) {
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/* Create a tokenizer for each line */
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StringToken line_tokenizer(line);
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std::vector<std::string> delay_elements = line_tokenizer.split(element_delim_);
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/* Get maximum number of length, which is the width of delay matrix */
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for (const auto& element : delay_elements) {
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delay_matrix_[size_t(&line - &delay_lines[0])][size_t(&element - &delay_elements[0])] = stof(element);
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}
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}
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return;
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}
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void PortDelayParser::set_default_element_delim() {
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/* Ensure a clean start */
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element_delim_.clear();
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element_delim_.push_back(' ');
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element_delim_.push_back('\t');
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return;
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}
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void PortDelayParser::set_default_line_delim() {
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/* Ensure a clean start */
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line_delim_.clear();
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line_delim_.push_back('\n');
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line_delim_.push_back('\r');
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return;
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}
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void PortDelayParser::clear() {
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delay_matrix_.clear();
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return;
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}
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} /* namespace openfpga ends */
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