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Initial work on jsonwrite

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This commit is contained in:
Miodrag Milanovic 2019-05-31 11:09:13 +02:00
parent 150004e393
commit 545068dec4
3 changed files with 208 additions and 0 deletions
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8
common/command.cc
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@ -35,6 +35,7 @@
#include "command.h"
#include "design_utils.h"
#include "jsonparse.h"
#include "jsonwrite.h"
#include "log.h"
#include "timing.h"
#include "util.h"
@ -120,6 +121,7 @@ po::options_description CommandHandler::getGeneralOptions()
#endif
general.add_options()("json", po::value<std::string>(), "JSON design file to ingest");
general.add_options()("write", po::value<std::string>(), "JSON design file to write");
general.add_options()("seed", po::value<int>(), "seed value for random number generator");
general.add_options()("randomize-seed,r", "randomize seed value for random number generator");
@ -303,6 +305,12 @@ int CommandHandler::executeMain(std::unique_ptr<Context> ctx)
customBitstream(ctx.get());
}
if (vm.count("write")) {
std::string filename = vm["write"].as<std::string>();
std::ofstream f(filename);
if (!write_json_file(f, filename, ctx.get()))
log_error("Loading design failed.\n");
}
if (vm.count("save")) {
project.save(ctx.get(), vm["save"].as<std::string>());
}

167
json/jsonwrite.cc Normal file
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@ -0,0 +1,167 @@
/*
* 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 "jsonwrite.h"
#include <assert.h>
#include <fstream>
#include <iostream>
#include <iterator>
#include <log.h>
#include <map>
#include <string>
#include "nextpnr.h"
#include "version.h"
NEXTPNR_NAMESPACE_BEGIN
namespace JsonWriter {
std::string get_string(std::string str)
{
std::string newstr = "\"";
for (char c : str) {
if (c == '\\')
newstr += c;
newstr += c;
}
return newstr + "\"";
}
std::string get_name(IdString name, Context *ctx)
{
return get_string(name.c_str(ctx));
}
void write_parameters(std::ostream &f, Context *ctx, const std::unordered_map<IdString, std::string> &parameters, bool for_module=false)
{
bool first = true;
for (auto &param : parameters) {
f << stringf("%s\n", first ? "" : ",");
f << stringf(" %s%s: ", for_module ? "" : " ", get_name(param.first,ctx).c_str());
f << get_string(param.second);
first = false;
}
}
void write_module(std::ostream &f, Context *ctx)
{
f << stringf(" %s: {\n", get_string("top").c_str());
// TODO: check if this is better to be separate
/*f << stringf(" \"settings\": {");
write_parameters(f, ctx, ctx->settings, true);
f << stringf("\n },\n");*/
f << stringf(" \"attributes\": {");
// TODO: Top level attributes
f << stringf("\n },\n");
f << stringf(" \"ports\": {");
// TODO: Top level ports
f << stringf("\n },\n");
auto fn = ctx->nets.hash_function();
f << stringf(" \"cells\": {");
bool first = true;
for (auto &pair : ctx->cells) {
auto &c = pair.second;
f << stringf("%s\n", first ? "" : ",");
f << stringf(" %s: {\n", get_name(c->name, ctx).c_str());
f << stringf(" \"hide_name\": %s,\n", c->name.c_str(ctx)[0] == '$' ? "1" : "0");
f << stringf(" \"type\": %s,\n", get_name(c->type, ctx).c_str());
f << stringf(" \"parameters\": {");
write_parameters(f, ctx, c->params);
f << stringf("\n },\n");
f << stringf(" \"attributes\": {");
write_parameters(f, ctx, c->attrs);
f << stringf("\n },\n");
f << stringf(" \"port_directions\": {");
bool first2 = true;
for (auto &conn : c->ports) {
auto &p = conn.second;
if (p.net) {
std::string direction = (p.type == PORT_IN) ? "input" : (p.type == PORT_OUT) ? "output" : "inout";
f << stringf("%s\n", first2 ? "" : ",");
f << stringf(" %s: \"%s\"", get_name(conn.first, ctx).c_str(), direction.c_str());
first2 = false;
}
}
f << stringf("\n },\n");
f << stringf(" \"connections\": {");
first2 = true;
for (auto &conn : c->ports) {
auto &p = conn.second;
if (p.net) {
f << stringf("%s\n", first2 ? "" : ",");
f << stringf(" %s: %d", get_name(conn.first,ctx).c_str(), fn(p.net->name));
first2 = false;
}
}
f << stringf("\n }\n");
f << stringf(" }");
first = false;
}
f << stringf("\n },\n");
f << stringf(" \"netnames\": {");
first = true;
for (auto &pair : ctx->nets) {
auto &w = pair.second;
f << stringf("%s\n", first ? "" : ",");
f << stringf(" %s: {\n", get_name(w->name, ctx).c_str());
f << stringf(" \"hide_name\": %s,\n", w->name.c_str(ctx)[0] == '$' ? "1" : "0");
f << stringf(" \"bits\": [ %d ] ,\n", fn(pair.first));
f << stringf(" \"attributes\": {");
write_parameters(f, ctx, w->attrs);
f << stringf("\n }\n");
f << stringf(" }");
first = false;
}
f << stringf("\n }\n");
f << stringf(" }");
}
void write_context(std::ostream &f, Context *ctx)
{
f << stringf("{\n");
f << stringf(" \"creator\": %s,\n", get_string( "Next Generation Place and Route (git sha1 " GIT_COMMIT_HASH_STR ")").c_str());
f << stringf(" \"modules\": {\n");
write_module(f, ctx);
f << stringf("\n }");
f << stringf("\n}\n");
}
}; // End Namespace JsonWriter
bool write_json_file(std::ostream &f, std::string &filename, Context *ctx)
{
try {
using namespace JsonWriter;
if (!f)
log_error("failed to open JSON file.\n");
write_context(f, ctx);
log_break();
return true;
} catch (log_execution_error_exception) {
return false;
}
}
NEXTPNR_NAMESPACE_END

33
json/jsonwrite.h Normal file
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@ -0,0 +1,33 @@
/*
* 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.
*
*/
#ifndef JSON_WRITER
#define JSON_WRITER
#include <ostream>
#include <string>
#include "nextpnr.h"
NEXTPNR_NAMESPACE_BEGIN
extern bool write_json_file(std::ostream &, std::string &, Context *);
NEXTPNR_NAMESPACE_END
#endif