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/*
* 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");
}
}
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"));
}
loadArch(ctx.get(), root, proj.parent_path().string());
} catch (...) {
log_error("Error loading project file.\n");
}
return ctx;
}
NEXTPNR_NAMESPACE_END
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