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/*
This file is part of cpp-ethereum.
cpp-ethereum 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.
cpp-ethereum 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 cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @author Christian <c@ethdev.com>
* @date 2014
* JSON interface for the solidity compiler to be used from Javascript.
*/
#include <string>
#include <iostream>
#include <json/json.h>
#include <libdevcore/Common.h>
#include <libdevcore/CommonData.h>
#include <libdevcore/CommonIO.h>
#include <libevmcore/Instruction.h>
#include <libsolidity/Scanner.h>
#include <libsolidity/Parser.h>
#include <libsolidity/ASTPrinter.h>
#include <libsolidity/NameAndTypeResolver.h>
#include <libsolidity/Exceptions.h>
#include <libsolidity/CompilerStack.h>
#include <libsolidity/SourceReferenceFormatter.h>
#include <libsolidity/ASTJsonConverter.h>
using namespace std;
using namespace dev;
using namespace solidity;
string formatError(Exception const& _exception, string const& _name, CompilerStack const& _compiler)
{
ostringstream errorOutput;
SourceReferenceFormatter::printExceptionInformation(errorOutput, _exception, _name, _compiler);
Json::Value output(Json::objectValue);
output["error"] = errorOutput.str();
return Json::FastWriter().write(output);
}
string compile(string _input, bool _optimize)
{
StringMap sources;
sources[""] = _input;
Json::Value output(Json::objectValue);
CompilerStack compiler;
try
{
compiler.compile(_input, _optimize);
}
catch (ParserError const& exception)
{
return formatError(exception, "Parser error", compiler);
}
catch (DeclarationError const& exception)
{
return formatError(exception, "Declaration error", compiler);
}
catch (TypeError const& exception)
{
return formatError(exception, "Type error", compiler);
}
catch (CompilerError const& exception)
{
return formatError(exception, "Compiler error", compiler);
}
catch (InternalCompilerError const& exception)
{
return formatError(exception, "Internal compiler error", compiler);
}
catch (Exception const& exception)
{
output["error"] = "Exception during compilation: " + boost::diagnostic_information(exception);
return Json::FastWriter().write(output);
}
catch (...)
{
output["error"] = "Unknown exception during compilation.";
return Json::FastWriter().write(output);
}
output["contracts"] = Json::Value(Json::objectValue);
for (string const& contractName: compiler.getContractNames())
{
Json::Value contractData(Json::objectValue);
contractData["solidity_interface"] = compiler.getSolidityInterface(contractName);
contractData["interface"] = compiler.getInterface(contractName);
contractData["bytecode"] = toHex(compiler.getBytecode(contractName));
contractData["opcodes"] = eth::disassemble(compiler.getBytecode(contractName));
ostringstream unused;
contractData["assembly"] = compiler.streamAssembly(unused, contractName, sources, true);
output["contracts"][contractName] = contractData;
}
output["sources"] = Json::Value(Json::objectValue);
output["sources"][""] = Json::Value(Json::objectValue);
output["sources"][""]["AST"] = ASTJsonConverter(compiler.getAST("")).json();
return Json::FastWriter().write(output);
}
static string outputBuffer;
extern "C"
{
extern char const* compileJSON(char const* _input, bool _optimize)
{
outputBuffer = compile(_input, _optimize);
return outputBuffer.c_str();
}
}
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