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/*
* nextpnr -- Next Generation Place and Route
*
* Copyright (C) 2018 Clifford Wolf <clifford@clifford.at>
* Copyright (C) 2018 David Shah <dave@ds0.me>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include "pybindings.h"
#include "emb.h"
#include "jsonparse.h"
#include "nextpnr.h"
#include <fstream>
NEXTPNR_NAMESPACE_BEGIN
// Required to determine concatenated module name (which differs for different
// archs)
#define PASTER(x, y) x##_##y
#define EVALUATOR(x, y) PASTER(x, y)
#define MODULE_NAME EVALUATOR(nextpnrpy, ARCHNAME)
#define PYINIT_MODULE_NAME EVALUATOR(&PyInit_nextpnrpy, ARCHNAME)
#define STRINGIFY(x) #x
#define TOSTRING(x) STRINGIFY(x)
// Architecture-specific bindings should be created in the below function, which
// must be implemented in all architectures
void arch_wrap_python();
bool operator==(const PortRef &a, const PortRef &b)
{
return (a.cell == b.cell) && (a.port == b.port);
}
// Load a JSON file into a design
void parse_json_shim(std::string filename, Design &d)
{
std::ifstream inf(filename);
if (!inf)
throw std::runtime_error("failed to open file " + filename);
std::istream *ifp = &inf;
parse_json_file(ifp, filename, &d);
}
// Create a new Chip and load design from json file
Design load_design_shim(std::string filename, ChipArgs args)
{
Design d(args);
parse_json_shim(filename, d);
return d;
}
BOOST_PYTHON_MODULE(MODULE_NAME)
{
class_<GraphicElement>("GraphicElement")
.def_readwrite("type", &GraphicElement::type)
.def_readwrite("x1", &GraphicElement::x1)
.def_readwrite("y1", &GraphicElement::y1)
.def_readwrite("x2", &GraphicElement::x2)
.def_readwrite("y2", &GraphicElement::y2)
.def_readwrite("text", &GraphicElement::text);
class_<PortRef>("PortRef")
.def_readwrite("cell", &PortRef::cell)
.def_readwrite("port", &PortRef::port);
class_<NetInfo, NetInfo *>("NetInfo")
.def_readwrite("name", &NetInfo::name)
.def_readwrite("driver", &NetInfo::driver)
.def_readwrite("users", &NetInfo::users)
.def_readwrite("attrs", &NetInfo::attrs)
.def_readwrite("wires", &NetInfo::wires);
WRAP_MAP(decltype(NetInfo::attrs), "IdStrMap");
class_<std::vector<PortRef>>("PortRefVector")
.def(vector_indexing_suite<std::vector<PortRef>>());
enum_<PortType>("PortType")
.value("PORT_IN", PORT_IN)
.value("PORT_OUT", PORT_OUT)
.value("PORT_INOUT", PORT_INOUT)
.export_values();
class_<PortInfo>("PortInfo")
.def_readwrite("name", &PortInfo::name)
.def_readwrite("net", &PortInfo::net)
.def_readwrite("type", &PortInfo::type);
class_<CellInfo, CellInfo *>("CellInfo")
.def_readwrite("name", &CellInfo::name)
.def_readwrite("type", &CellInfo::type)
.def_readwrite("ports", &CellInfo::ports)
.def_readwrite("attrs", &CellInfo::attrs)
.def_readwrite("params", &CellInfo::params)
.def_readwrite("bel", &CellInfo::bel)
.def_readwrite("pins", &CellInfo::pins);
WRAP_MAP(decltype(CellInfo::ports), "IdPortMap");
// WRAP_MAP(decltype(CellInfo::pins), "IdIdMap");
class_<Design, Design *>("Design", no_init)
.def_readwrite("chip", &Design::chip)
.def_readwrite("nets", &Design::nets)
.def_readwrite("cells", &Design::cells);
WRAP_MAP(decltype(Design::nets), "IdNetMap");
WRAP_MAP(decltype(Design::cells), "IdCellMap");
def("parse_json", parse_json_shim);
def("load_design", load_design_shim);
arch_wrap_python();
}
void arch_appendinittab()
{
PyImport_AppendInittab(TOSTRING(MODULE_NAME), PYINIT_MODULE_NAME);
}
static wchar_t *program;
void init_python(const char *executable)
{
#ifndef PYTHON_MODULE
program = Py_DecodeLocale(executable, NULL);
if (program == NULL) {
fprintf(stderr, "Fatal error: cannot decode executable filename\n");
exit(1);
}
try {
PyImport_AppendInittab(TOSTRING(MODULE_NAME), PYINIT_MODULE_NAME);
emb::append_inittab();
Py_SetProgramName(program);
Py_Initialize();
PyImport_ImportModule(TOSTRING(MODULE_NAME));
} catch (boost::python::error_already_set const &) {
// Parse and output the exception
std::string perror_str = parse_python_exception();
std::cout << "Error in Python: " << perror_str << std::endl;
}
#endif
}
void deinit_python()
{
#ifndef PYTHON_MODULE
Py_Finalize();
PyMem_RawFree(program);
#endif
}
void execute_python_file(const char *python_file)
{
try {
FILE *fp = fopen(python_file, "r");
if (fp == NULL) {
fprintf(stderr, "Fatal error: file not found %s\n", python_file);
exit(1);
}
PyRun_SimpleFile(fp, python_file);
fclose(fp);
} catch (boost::python::error_already_set const &) {
// Parse and output the exception
std::string perror_str = parse_python_exception();
std::cout << "Error in Python: " << perror_str << std::endl;
}
}
NEXTPNR_NAMESPACE_END
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