OpenFPGA/libopenfpga/libopenfpgautil/src/openfpga_port_parser.h

105 lines
3.4 KiB
C++

#ifndef OPENFPGA_PORT_PARSER_H
#define OPENFPGA_PORT_PARSER_H
/********************************************************************
* Include header files that are required by data structure declaration
*******************************************************************/
#include <string>
#include <vector>
#include "vtr_ndmatrix.h"
#include "vtr_geometry.h"
#include "openfpga_port.h"
#include "openfpga_tokenizer.h"
/************************************************************************
* This file includes parsers for port definition in the architecture XML
* language. Note that it is also compatiable to Verilog syntax.
* It means we may reuse this for constructing a structural Verilog parser
***********************************************************************/
/* namespace openfpga begins */
namespace openfpga {
/************************************************************************
* Class PortParser: single port parser
* Supported port definition:
* 1. <port_name>[<LSB>:<MSB>]
* 2. <port_name>[<MSB>:<LSB>]
* 3. <port_name>[<single_pin_index>]
* 4. <port_name>[]
* 5. <port_name>
* In case 4 and 5, we will assign (-1,-1) for LSB and MSB
***********************************************************************/
class PortParser{
public : /* Constructors*/
PortParser (const std::string& data);
public : /* Public Accessors */
std::string data() const;
BasicPort port() const;
public : /* Public Mutators */
void set_data(const std::string& data);
private : /* Private Mutators */
void parse();
void set_default_bracket();
void set_default_delim();
private: /* Internal data */
std::string data_; /* Lines to be splited */
vtr::Point<char> bracket_;
char delim_;
BasicPort port_;
};
/************************************************************************
* MultiPortParser: a parser for multiple ports in one line
***********************************************************************/
class MultiPortParser {
public : /* Constructors*/
MultiPortParser (const std::string& data);
public : /* Public Accessors */
std::string data() const;
std::vector<BasicPort> ports() const;
public : /* Public Mutators */
void set_data(const std::string& data);
private : /* Private Mutators */
void parse();
void set_default_delim();
void clear();
private: /* Internal data */
std::string data_; /* Lines to be splited */
char delim_;
std::vector<BasicPort> ports_;
};
/************************************************************************
* PortDelayParser: a parser for 2D delay matrix
***********************************************************************/
class PortDelayParser {
public : /* Constructors*/
PortDelayParser (const std::string& data);
public : /* Public Accessors */
std::string data() const;
size_t height() const;
size_t width() const;
vtr::Point<size_t> delay_size() const;
float delay(size_t x, size_t y) const;
public : /* Public Mutators */
void set_data(const std::string& data);
private : /* Private Mutators */
void parse();
void set_default_element_delim();
void set_default_line_delim();
void clear();
private: /* Internal data */
std::string data_; /* Lines to be splited */
std::vector<char> element_delim_;
std::vector<char> line_delim_;
vtr::Matrix<float> delay_matrix_;
};
} /* namespace openfpga ends */
#endif