OpenFPGA/libopenfpga/librepackdc/src/write_xml_repack_design_con...

98 lines
3.2 KiB
C++

/********************************************************************
* This file includes functions that outputs a repack design constraint object to XML format
*******************************************************************/
/* Headers from system goes first */
#include <string>
#include <algorithm>
/* Headers from vtr util library */
#include "vtr_assert.h"
#include "vtr_log.h"
#include "vtr_time.h"
/* Headers from openfpga util library */
#include "openfpga_digest.h"
/* Headers from arch openfpga library */
#include "write_xml_utils.h"
/* Headers from fabrickey library */
#include "write_xml_repack_design_constraints.h"
/********************************************************************
* A writer to output a pin constraint to XML format
*
* Return 0 if successful
* Return 1 if there are more serious bugs in the architecture
* Return 2 if fail when creating files
*******************************************************************/
static
int write_xml_pin_constraint(std::fstream& fp,
const RepackDesignConstraints& repack_design_constraints,
const RepackDesignConstraintId& design_constraint) {
/* Validate the file stream */
if (false == openfpga::valid_file_stream(fp)) {
return 2;
}
openfpga::write_tab_to_file(fp, 1);
fp << "<pin_constraint";
if (false == repack_design_constraints.valid_design_constraint_id(design_constraint)) {
return 1;
}
write_xml_attribute(fp, "pb_type", repack_design_constraints.pb_type(design_constraint).c_str());
write_xml_attribute(fp, "pin", generate_xml_port_name(repack_design_constraints.pin(design_constraint)).c_str());
write_xml_attribute(fp, "net", repack_design_constraints.net(design_constraint).c_str());
fp << "/>" << "\n";
return 0;
}
/********************************************************************
* A writer to output a repack design constraint object to XML format
*
* Return 0 if successful
* Return 1 if there are more serious bugs in the architecture
* Return 2 if fail when creating files
*******************************************************************/
int write_xml_repack_design_constraints(const char* fname,
const RepackDesignConstraints& repack_design_constraints) {
vtr::ScopedStartFinishTimer timer("Write Repack Design Constraints");
/* Create a file handler */
std::fstream fp;
/* Open the file stream */
fp.open(std::string(fname), std::fstream::out | std::fstream::trunc);
/* Validate the file stream */
openfpga::check_file_stream(fname, fp);
/* Write the root node */
fp << "<repack_design_constraints>" << "\n";
int err_code = 0;
/* Write region by region */
for (const RepackDesignConstraintId& design_constraint : repack_design_constraints.design_constraints()) {
/* Write constraint by constraint */
if (RepackDesignConstraints::PIN_ASSIGNMENT == repack_design_constraints.type(design_constraint)) {
err_code = write_xml_pin_constraint(fp, repack_design_constraints, design_constraint);
if (0 != err_code) {
return err_code;
}
}
}
/* Finish writing the root node */
fp << "</repack_design_constraints>" << "\n";
/* Close the file stream */
fp.close();
return err_code;
}