OpenFPGA/vpr7_x2p/libarchfpga/SRC/port_parser.cpp

332 lines
10 KiB
C++

/**********************************************************
* MIT License
*
* Copyright (c) 2018 LNIS - The University of Utah
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
***********************************************************************/
/************************************************************************
* Filename: port_parser.cpp
* Created by: Xifan Tang
* Change history:
* +-------------------------------------+
* | Date | Author | Notes
* +-------------------------------------+
* | 2019/08/09 | Xifan Tang | Created
* +-------------------------------------+
***********************************************************************/
/************************************************************************
* Member functions for Port parsers
***********************************************************************/
#include "string.h"
#include "vtr_assert.h"
#include "vtr_geometry.h"
#include "string_token.h"
#include "port_parser.h"
/************************************************************************
* Member functions for PortParser class
***********************************************************************/
/************************************************************************
* Constructors
***********************************************************************/
PortParser::PortParser (const std::string& data) {
set_default_bracket();
set_default_delim();
set_data(data);
}
/************************************************************************
* Public Accessors
***********************************************************************/
/* Get the data string */
std::string PortParser::data() const {
return data_;
}
BasicPort PortParser::port() const {
return port_;
}
/************************************************************************
* Public Mutators
***********************************************************************/
void PortParser::set_data(const std::string& data) {
data_ = data;
parse();
return;
}
/************************************************************************
* Internal Mutators
***********************************************************************/
/* Parse the data */
void PortParser::parse() {
/* Create a tokenizer */
StringToken tokenizer(data_);
/* Split the data into <port_name> and <pin_string> */
std::vector<std::string> port_tokens = tokenizer.split(bracket_.x());
/* Make sure we have a port name! */
VTR_ASSERT_SAFE ((1 == port_tokens.size()) || (2 == port_tokens.size()));
/* Store the port name! */
port_.set_name(port_tokens[0]);
/* If we only have one token */
if (1 == port_tokens.size()) {
port_.set_width(0);
return; /* We can finish here */
}
/* Chomp the ']' */
tokenizer.set_data(port_tokens[1]);
std::vector<std::string> pin_tokens = tokenizer.split(bracket_.y());
/* Make sure we have a valid string! */
VTR_ASSERT_SAFE (1 == port_tokens.size());
/* Split the pin string now */
tokenizer.set_data(port_tokens[0]);
pin_tokens = tokenizer.split(delim_);
/* Check if we have LSB and MSB or just one */
if ( 1 == pin_tokens.size() ) {
/* Single pin */
port_.set_width(stoi(pin_tokens[0]), stoi(pin_tokens[0]));
} else if ( 2 == pin_tokens.size() ) {
/* A number of pin */
port_.set_width(stoi(pin_tokens[0]), stoi(pin_tokens[1]));
}
/* Re-order to ensure LSB <= MSB */
if (false == port_.is_valid()) {
port_.revert();
}
return;
}
void PortParser::set_default_bracket() {
bracket_.set_x('[');
bracket_.set_y(']');
return;
}
void PortParser::set_default_delim() {
delim_ = ':';
return;
}
/************************************************************************
* Member functions for MultiPortParser class
***********************************************************************/
/************************************************************************
* Constructors
***********************************************************************/
MultiPortParser::MultiPortParser (const std::string& data) {
set_default_delim();
set_data(data);
}
/************************************************************************
* Public Accessors
***********************************************************************/
/* Get the data string */
std::string MultiPortParser::data() const {
return data_;
}
std::vector<BasicPort> MultiPortParser::ports() const {
return ports_;
}
/************************************************************************
* Public Mutators
***********************************************************************/
void MultiPortParser::set_data(const std::string& data) {
data_ = data;
parse();
return;
}
/************************************************************************
* Internal Mutators
***********************************************************************/
/* Split the data line into fragments and parse one by one */
void MultiPortParser::parse() {
/* Clear content */
clear();
/* Create a tokenizer */
StringToken tokenizer(data_);
/* Split the data into <port_name> and <pin_string> */
std::vector<std::string> port_tokens = tokenizer.split(delim_);
/* Use PortParser for each token */
for (const auto& port : port_tokens) {
PortParser port_parser(port);
/* Get the port name, LSB and MSB */
ports_.push_back(port_parser.port());
}
return;
}
void MultiPortParser::set_default_delim() {
delim_ = ' ';
return;
}
void MultiPortParser::clear() {
ports_.clear();
return;
}
/************************************************************************
* Member functions for PortDelayParser class
***********************************************************************/
/************************************************************************
* Constructors
***********************************************************************/
PortDelayParser::PortDelayParser (const std::string& data) {
set_default_element_delim();
set_default_line_delim();
set_data(data);
}
/************************************************************************
* Public Accessors
***********************************************************************/
/* Get the data string */
std::string PortDelayParser::data() const {
return data_;
}
/* Get the size of delay matrix [height, width]*/
size_t PortDelayParser::height() const {
return delay_matrix_.dim_size(0);
}
size_t PortDelayParser::width() const {
return delay_matrix_.dim_size(1);
}
vtr::Point<size_t> PortDelayParser::delay_size() const {
vtr::Point<size_t> matrix_size(height(), width());
return matrix_size;
}
float PortDelayParser::delay(size_t x, size_t y) const {
/* Make sure x and y are in range */
VTR_ASSERT_SAFE( (x < width()) && (y < height()) );
return delay_matrix_[x][y];
}
/************************************************************************
* Public Mutators
***********************************************************************/
void PortDelayParser::set_data(const std::string& data) {
data_ = data;
parse();
return;
}
/************************************************************************
* Internal Mutators
***********************************************************************/
/* Split the data line into fragments and parse one by one */
void PortDelayParser::parse() {
/* Clear content */
clear();
/* Create a tokenizer */
StringToken delay_tokenizer(data_);
/* Ensure a clean start! Trim whitespace at the beginning and end of the string */
delay_tokenizer.trim();
/* Split the data into different lines */
std::vector<std::string> delay_lines = delay_tokenizer.split(line_delim_);
/* The number of lines is actually the height of delay matrix */
size_t matrix_height = delay_lines.size();
size_t matrix_width = 0;
/* Visit each line and split with element_delim */
for (const auto& line : delay_lines) {
/* Create a tokenizer for each line */
StringToken line_tokenizer(line);
std::vector<std::string> delay_elements = line_tokenizer.split(element_delim_);
/* Get maximum number of length, which is the width of delay matrix */
matrix_width = std::max(matrix_width, delay_elements.size());
}
/* Resize matrix */
delay_matrix_.resize({matrix_height, matrix_width});
/* Fill matrix */
for (const auto& line : delay_lines) {
/* Create a tokenizer for each line */
StringToken line_tokenizer(line);
std::vector<std::string> delay_elements = line_tokenizer.split(element_delim_);
/* Get maximum number of length, which is the width of delay matrix */
for (const auto& element : delay_elements) {
delay_matrix_[size_t(&line - &delay_lines[0])][size_t(&element - &delay_elements[0])] = stof(element);
}
}
return;
}
void PortDelayParser::set_default_element_delim() {
/* Ensure a clean start */
element_delim_.clear();
element_delim_.push_back(' ');
element_delim_.push_back('\t');
return;
}
void PortDelayParser::set_default_line_delim() {
/* Ensure a clean start */
line_delim_.clear();
line_delim_.push_back('\n');
line_delim_.push_back('\r');
return;
}
void PortDelayParser::clear() {
delay_matrix_.clear();
return;
}
/************************************************************************
* End of file : port_parser.cpp
***********************************************************************/