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/*
This file is part of solidity.
solidity is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
solidity is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with solidity. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @author Alex Beregszaszi
* @date 2016
* Standard JSON compiler interface.
*/
#include <libsolidity/interface/StandardCompiler.h>
#include <libsolidity/interface/SourceReferenceFormatter.h>
#include <libevmasm/Instruction.h>
#include <libdevcore/JSON.h>
using namespace std;
using namespace dev;
using namespace dev::solidity;
Json::Value formatFatalError(string const& _type, string const& _description)
{
Json::Value error = Json::objectValue;
error["type"] = _type;
error["component"] = "general";
error["severity"] = "error";
error["message"] = _description;
Json::Value output = Json::objectValue;
output["errors"] = Json::arrayValue;
output["errors"].append(error);
return output;
}
StringMap createSourceList(Json::Value const& _input)
{
StringMap sources;
Json::Value const& jsonSources = _input["sources"];
if (jsonSources.isObject())
for (auto const& sourceName: jsonSources.getMemberNames())
sources[sourceName] = jsonSources[sourceName]["content"].asString();
return sources;
}
Json::Value StandardCompiler::compileInternal(Json::Value const& _input)
{
m_compilerStack.reset(false);
Json::Value const& sources = _input["sources"];
if (!sources)
{
// @TODO report error
return Json::Value();
}
for (auto const& sourceName: sources.getMemberNames())
m_compilerStack.addSource(sourceName, sources[sourceName]["content"].asString());
Json::Value const& settings = _input.get("settings", Json::Value());
vector<string> remappings;
for (auto const& remapping: settings.get("remappings", Json::Value()))
remappings.push_back(remapping.asString());
m_compilerStack.setRemappings(remappings);
Json::Value optimizerSettings = settings.get("optimizer", Json::Value());
bool optimize = optimizerSettings.get("enabled", Json::Value(false)).asBool();
unsigned optimizeRuns = optimizerSettings.get("runs", Json::Value(200u)).asUInt();
map<string, h160> libraries;
Json::Value jsonLibraries = settings.get("libraries", Json::Value());
for (auto const& sourceName: jsonLibraries.getMemberNames())
{
auto const& jsonSourceName = jsonLibraries[sourceName];
for (auto const& library: jsonSourceName.getMemberNames())
// @TODO use libraries only for the given source
libraries[library] = h160(jsonSourceName[library].asString());
}
auto scannerFromSourceName = [&](string const& _sourceName) -> solidity::Scanner const& { return m_compilerStack.scanner(_sourceName); };
try
{
// @TODO check return value and parse errors
m_compilerStack.compile(optimize, optimizeRuns, libraries);
}
catch (Error const& _error)
{
if (_error.type() == Error::Type::DocstringParsingError)
cerr << "Documentation parsing error: " << *boost::get_error_info<errinfo_comment>(_error) << endl;
else
SourceReferenceFormatter::printExceptionInformation(cerr, _error, _error.typeName(), scannerFromSourceName);
return Json::Value();
}
catch (CompilerError const& _exception)
{
SourceReferenceFormatter::printExceptionInformation(cerr, _exception, "Compiler error", scannerFromSourceName);
return Json::Value();
}
catch (InternalCompilerError const& _exception)
{
cerr << "Internal compiler error during compilation:" << endl
<< boost::diagnostic_information(_exception);
return Json::Value();
}
catch (UnimplementedFeatureError const& _exception)
{
cerr << "Unimplemented feature:" << endl
<< boost::diagnostic_information(_exception);
return Json::Value();
}
catch (Exception const& _exception)
{
cerr << "Exception during compilation: " << boost::diagnostic_information(_exception) << endl;
return Json::Value();
}
catch (...)
{
cerr << "Unknown exception during compilation." << endl;
return Json::Value();
}
Json::Value output = Json::objectValue;
Json::Value contractsOutput = Json::objectValue;
for (string const& contractName: m_compilerStack.contractNames())
{
// ABI, documentation and metadata
Json::Value contractData(Json::objectValue);
contractData["abi"] = dev::jsonCompactPrint(m_compilerStack.metadata(contractName, DocumentationType::ABIInterface));
contractData["metadata"] = m_compilerStack.onChainMetadata(contractName);
contractData["userdoc"] = dev::jsonCompactPrint(m_compilerStack.metadata(contractName, DocumentationType::NatspecUser));
contractData["devdoc"] = dev::jsonCompactPrint(m_compilerStack.metadata(contractName, DocumentationType::NatspecDev));
// EVM
Json::Value evmData(Json::objectValue);
// @TODO: add ir
// @TODO: add assembly
ostringstream unused;
evmData["legacyAssembly"] = m_compilerStack.streamAssembly(unused, contractName, createSourceList(_input), true);
evmData["opcodes"] = solidity::disassemble(m_compilerStack.object(contractName).bytecode);
// @TODO: add methodIdentifiers
// @TODO: add gasEstimates
// EVM bytecode
Json::Value bytecode(Json::objectValue);
bytecode["object"] = m_compilerStack.object(contractName).toHex();
auto sourceMap = m_compilerStack.sourceMapping(contractName);
bytecode["sourceMap"] = sourceMap ? *sourceMap : "";
// @TODO: add linkReferences
evmData["bytecode"] = bytecode;
// EVM deployed bytecode
Json::Value deployedBytecode(Json::objectValue);
deployedBytecode["object"] = m_compilerStack.runtimeObject(contractName).toHex();
auto runtimeSourceMap = m_compilerStack.runtimeSourceMapping(contractName);
deployedBytecode["sourceMap"] = runtimeSourceMap ? *runtimeSourceMap : "";
// @TODO: add linkReferences
evmData["deployedBytecode"] = deployedBytecode;
contractData["evm"] = evmData;
contractsOutput[contractName] = contractData;
}
output["contracts"] = Json::objectValue;
output["contracts"][""] = contractsOutput;
return output;
}
Json::Value StandardCompiler::compile(Json::Value const& _input)
{
try
{
return compileInternal(_input);
}
catch (...)
{
return formatFatalError("InternalCompilerError", "Internal exception in StandardCompiler::compilerInternal");
}
}
string StandardCompiler::compile(string const& _input)
{
Json::Value input;
Json::Reader reader;
try
{
if (!reader.parse(_input, input, false))
return jsonCompactPrint(formatFatalError("JSONError", reader.getFormattedErrorMessages()));
}
catch(...)
{
return "{\"errors\":\"[{\"type\":\"JSONError\",\"component\":\"general\",\"severity\":\"error\",\"message\":\"Error parsing input JSON.\"}]}";
}
// cout << "Input: " << input.toStyledString() << endl;
Json::Value output = compile(input);
// cout << "Output: " << output.toStyledString() << endl;
try
{
return jsonCompactPrint(output);
}
catch(...)
{
return "{\"errors\":\"[{\"type\":\"JSONError\",\"component\":\"general\",\"severity\":\"error\",\"message\":\"Error writing output JSON.\"}]}";
}
}
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