145 lines
5.0 KiB
C++
145 lines
5.0 KiB
C++
/*
|
|
* nextpnr -- Next Generation Place and Route
|
|
*
|
|
* Copyright (C) 2018 Miodrag Milanovic <miodrag@symbioticeda.com>
|
|
*
|
|
* 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 "project.h"
|
|
#include <algorithm>
|
|
#include <boost/filesystem/convenience.hpp>
|
|
#include <boost/property_tree/json_parser.hpp>
|
|
#include <fstream>
|
|
#include "jsonparse.h"
|
|
#include "log.h"
|
|
|
|
NEXTPNR_NAMESPACE_BEGIN
|
|
|
|
boost::filesystem::path make_relative(boost::filesystem::path child, boost::filesystem::path parent)
|
|
{
|
|
boost::filesystem::path::const_iterator parentIter = parent.begin();
|
|
boost::filesystem::path::const_iterator childIter = child.begin();
|
|
|
|
while (parentIter != parent.end() && childIter != child.end() && (*childIter) == (*parentIter)) {
|
|
++childIter;
|
|
++parentIter;
|
|
}
|
|
|
|
boost::filesystem::path finalPath;
|
|
while (parentIter != parent.end()) {
|
|
finalPath /= "..";
|
|
++parentIter;
|
|
}
|
|
|
|
while (childIter != child.end()) {
|
|
finalPath /= *childIter;
|
|
++childIter;
|
|
}
|
|
|
|
return finalPath;
|
|
}
|
|
|
|
void ProjectHandler::save(Context *ctx, std::string filename)
|
|
{
|
|
try {
|
|
boost::filesystem::path proj(filename);
|
|
std::ofstream f(filename);
|
|
pt::ptree root;
|
|
|
|
log_info("Saving project %s...\n", filename.c_str());
|
|
log_break();
|
|
|
|
root.put("project.version", 1);
|
|
root.put("project.name", boost::filesystem::basename(filename));
|
|
root.put("project.arch.name", ctx->archId().c_str(ctx));
|
|
root.put("project.arch.type", ctx->archArgsToId(ctx->archArgs()).c_str(ctx));
|
|
std::string fn = ctx->settings[ctx->id("input/json")];
|
|
root.put("project.input.json", make_relative(fn, proj.parent_path()).string());
|
|
root.put("project.params.freq", int(ctx->target_freq / 1e6));
|
|
root.put("project.params.seed", ctx->rngstate);
|
|
saveArch(ctx, root, proj.parent_path().string());
|
|
for (auto const &item : ctx->settings) {
|
|
std::string path = "project.settings.";
|
|
path += item.first.c_str(ctx);
|
|
std::replace(path.begin(), path.end(), '/', '.');
|
|
root.put(path, item.second);
|
|
}
|
|
pt::write_json(f, root);
|
|
} catch (...) {
|
|
log_error("Error saving project file.\n");
|
|
}
|
|
}
|
|
|
|
void addSettings(Context *ctx, std::string path, pt::ptree sub)
|
|
{
|
|
for (pt::ptree::value_type &v : sub) {
|
|
const std::string &key = v.first;
|
|
const boost::property_tree::ptree &subtree = v.second;
|
|
if (subtree.empty()) {
|
|
ctx->settings.emplace(ctx->id(path + key), subtree.get_value<std::string>().c_str());
|
|
} else {
|
|
addSettings(ctx, path + key + "/", subtree);
|
|
}
|
|
}
|
|
}
|
|
|
|
std::unique_ptr<Context> ProjectHandler::load(std::string filename)
|
|
{
|
|
std::unique_ptr<Context> ctx;
|
|
try {
|
|
pt::ptree root;
|
|
boost::filesystem::path proj(filename);
|
|
pt::read_json(filename, root);
|
|
log_info("Loading project %s...\n", filename.c_str());
|
|
log_break();
|
|
|
|
int version = root.get<int>("project.version");
|
|
if (version != 1)
|
|
log_error("Wrong project format version.\n");
|
|
|
|
ctx = createContext(root);
|
|
|
|
std::string arch_name = root.get<std::string>("project.arch.name");
|
|
if (arch_name != ctx->archId().c_str(ctx.get()))
|
|
log_error("Unsuported project architecture.\n");
|
|
|
|
auto project = root.get_child("project");
|
|
auto input = project.get_child("input");
|
|
std::string fn = input.get<std::string>("json");
|
|
boost::filesystem::path json = proj.parent_path() / fn;
|
|
std::ifstream f(json.string());
|
|
if (!parse_json_file(f, fn, ctx.get()))
|
|
log_error("Loading design failed.\n");
|
|
|
|
if (project.count("params")) {
|
|
auto params = project.get_child("params");
|
|
if (params.count("freq"))
|
|
ctx->target_freq = params.get<double>("freq") * 1e6;
|
|
if (params.count("seed"))
|
|
ctx->rngseed(params.get<uint64_t>("seed"));
|
|
}
|
|
if (project.count("settings")) {
|
|
addSettings(ctx.get(), "", project.get_child("settings"));
|
|
}
|
|
|
|
loadArch(ctx.get(), root, proj.parent_path().string());
|
|
} catch (...) {
|
|
log_error("Error loading project file.\n");
|
|
}
|
|
return ctx;
|
|
}
|
|
|
|
NEXTPNR_NAMESPACE_END
|