mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
303 lines
8.7 KiB
C++
303 lines
8.7 KiB
C++
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @author Christian <c@ethdev.com>
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* @date 2014
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* JSON interface for the solidity compiler to be used from Javascript.
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*/
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#include <libsolc/libsolc.h>
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#include <libdevcore/Common.h>
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#include <libdevcore/JSON.h>
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#include <libsolidity/interface/StandardCompiler.h>
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#include <libsolidity/interface/Version.h>
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#include <string>
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#include "license.h"
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using namespace std;
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using namespace dev;
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using namespace solidity;
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namespace
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{
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ReadCallback::Callback wrapReadCallback(CStyleReadFileCallback _readCallback = nullptr)
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{
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ReadCallback::Callback readCallback;
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if (_readCallback)
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{
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readCallback = [=](string const& _path)
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{
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char* contents_c = nullptr;
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char* error_c = nullptr;
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_readCallback(_path.c_str(), &contents_c, &error_c);
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ReadCallback::Result result;
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result.success = true;
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if (!contents_c && !error_c)
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{
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result.success = false;
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result.responseOrErrorMessage = "File not found.";
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}
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if (contents_c)
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{
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result.success = true;
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result.responseOrErrorMessage = string(contents_c);
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free(contents_c);
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}
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if (error_c)
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{
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result.success = false;
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result.responseOrErrorMessage = string(error_c);
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free(error_c);
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}
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return result;
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};
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}
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return readCallback;
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}
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/// Translates a gas value as a string to a JSON number or null
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Json::Value gasToJson(Json::Value const& _value)
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{
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if (_value.isObject())
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{
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Json::Value ret = Json::objectValue;
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for (auto const& sig: _value.getMemberNames())
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ret[sig] = gasToJson(_value[sig]);
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return ret;
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}
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if (_value == "infinite")
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return Json::Value(Json::nullValue);
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u256 value(_value.asString());
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if (value > std::numeric_limits<Json::LargestUInt>::max())
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return Json::Value(Json::nullValue);
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else
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return Json::Value(Json::LargestUInt(value));
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}
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Json::Value translateGasEstimates(Json::Value const& estimates)
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{
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Json::Value output(Json::objectValue);
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if (estimates["creation"].isObject())
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{
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Json::Value creation(Json::arrayValue);
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creation[0] = gasToJson(estimates["creation"]["executionCost"]);
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creation[1] = gasToJson(estimates["creation"]["codeDepositCost"]);
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output["creation"] = creation;
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}
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else
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output["creation"] = Json::objectValue;
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output["external"] = gasToJson(estimates.get("external", Json::objectValue));
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output["internal"] = gasToJson(estimates.get("internal", Json::objectValue));
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return output;
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}
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string compile(StringMap const& _sources, bool _optimize, CStyleReadFileCallback _readCallback)
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{
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/// create new JSON input format
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Json::Value input = Json::objectValue;
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input["language"] = "Solidity";
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input["sources"] = Json::objectValue;
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for (auto const& source: _sources)
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{
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input["sources"][source.first] = Json::objectValue;
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input["sources"][source.first]["content"] = source.second;
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}
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input["settings"] = Json::objectValue;
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input["settings"]["optimizer"] = Json::objectValue;
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input["settings"]["optimizer"]["enabled"] = _optimize;
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input["settings"]["optimizer"]["runs"] = 200;
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// Enable all SourceUnit-level outputs.
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input["settings"]["outputSelection"]["*"][""][0] = "*";
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// Enable all Contract-level outputs.
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input["settings"]["outputSelection"]["*"]["*"][0] = "*";
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StandardCompiler compiler(wrapReadCallback(_readCallback));
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Json::Value ret = compiler.compile(input);
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/// transform JSON to match the old format
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// {
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// "errors": [ "Error 1", "Error 2" ],
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// "sourceList": [ "sourcename1", "sourcename2" ],
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// "sources": {
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// "sourcename1": {
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// "AST": {}
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// }
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// },
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// "contracts": {
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// "Contract1": {
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// "interface": "[...abi...]",
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// "bytecode": "ff0011...",
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// "runtimeBytecode": "ff0011",
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// "opcodes": "PUSH 1 POP STOP",
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// "metadata": "{...metadata...}",
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// "functionHashes": {
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// "test(uint256)": "11ff2233"
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// },
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// "gasEstimates": {
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// "creation": [ 224, 42000 ],
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// "external": {
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// "11ff2233": null,
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// "3322ff11": 1234
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// },
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// "internal": {
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// }
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// },
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// "srcmap" = "0:1:2",
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// "srcmapRuntime" = "0:1:2",
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// "assembly" = {}
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// }
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// }
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// }
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Json::Value output = Json::objectValue;
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if (ret.isMember("errors"))
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{
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output["errors"] = Json::arrayValue;
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for (auto const& error: ret["errors"])
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output["errors"].append(
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!error["formattedMessage"].empty() ? error["formattedMessage"] : error["message"]
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);
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}
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output["sourceList"] = Json::arrayValue;
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for (auto const& source: _sources)
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output["sourceList"].append(source.first);
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if (ret.isMember("sources"))
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{
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output["sources"] = Json::objectValue;
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for (auto const& sourceName: ret["sources"].getMemberNames())
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{
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output["sources"][sourceName] = Json::objectValue;
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output["sources"][sourceName]["AST"] = ret["sources"][sourceName]["legacyAST"];
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}
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}
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if (ret.isMember("contracts"))
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{
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output["contracts"] = Json::objectValue;
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for (auto const& sourceName: ret["contracts"].getMemberNames())
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for (auto const& contractName: ret["contracts"][sourceName].getMemberNames())
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{
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Json::Value contractInput = ret["contracts"][sourceName][contractName];
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Json::Value contractOutput = Json::objectValue;
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contractOutput["interface"] = jsonCompactPrint(contractInput["abi"]);
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contractOutput["metadata"] = contractInput["metadata"];
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contractOutput["functionHashes"] = contractInput["evm"]["methodIdentifiers"];
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contractOutput["gasEstimates"] = translateGasEstimates(contractInput["evm"]["gasEstimates"]);
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contractOutput["assembly"] = contractInput["evm"]["legacyAssembly"];
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contractOutput["bytecode"] = contractInput["evm"]["bytecode"]["object"];
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contractOutput["opcodes"] = contractInput["evm"]["bytecode"]["opcodes"];
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contractOutput["srcmap"] = contractInput["evm"]["bytecode"]["sourceMap"];
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contractOutput["runtimeBytecode"] = contractInput["evm"]["deployedBytecode"]["object"];
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contractOutput["srcmapRuntime"] = contractInput["evm"]["deployedBytecode"]["sourceMap"];
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output["contracts"][sourceName + ":" + contractName] = contractOutput;
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}
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}
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try
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{
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return jsonCompactPrint(output);
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}
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catch (...)
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{
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return "{\"errors\":[\"Unknown error while generating JSON.\"]}";
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}
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}
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string compileMulti(string const& _input, bool _optimize, CStyleReadFileCallback _readCallback = nullptr)
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{
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string errors;
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Json::Value input;
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if (!jsonParseStrict(_input, input, &errors))
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{
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Json::Value jsonErrors(Json::arrayValue);
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jsonErrors.append("Error parsing input JSON: " + errors);
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Json::Value output(Json::objectValue);
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output["errors"] = jsonErrors;
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return jsonCompactPrint(output);
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}
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else
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{
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StringMap sources;
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Json::Value jsonSources = input["sources"];
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if (jsonSources.isObject())
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for (auto const& sourceName: jsonSources.getMemberNames())
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sources[sourceName] = jsonSources[sourceName].asString();
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return compile(sources, _optimize, _readCallback);
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}
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}
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string compileSingle(string const& _input, bool _optimize)
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{
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StringMap sources;
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sources[""] = _input;
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return compile(sources, _optimize, nullptr);
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}
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string compileStandardInternal(string const& _input, CStyleReadFileCallback _readCallback = nullptr)
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{
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StandardCompiler compiler(wrapReadCallback(_readCallback));
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return compiler.compile(_input);
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}
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}
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static string s_outputBuffer;
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extern "C"
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{
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extern char const* license()
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{
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static string fullLicenseText = otherLicenses + licenseText;
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return fullLicenseText.c_str();
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}
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extern char const* version()
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{
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return VersionString.c_str();
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}
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extern char const* compileJSON(char const* _input, bool _optimize)
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{
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s_outputBuffer = compileSingle(_input, _optimize);
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return s_outputBuffer.c_str();
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}
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extern char const* compileJSONMulti(char const* _input, bool _optimize)
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{
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s_outputBuffer = compileMulti(_input, _optimize);
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return s_outputBuffer.c_str();
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}
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extern char const* compileJSONCallback(char const* _input, bool _optimize, CStyleReadFileCallback _readCallback)
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{
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s_outputBuffer = compileMulti(_input, _optimize, _readCallback);
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return s_outputBuffer.c_str();
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}
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extern char const* compileStandard(char const* _input, CStyleReadFileCallback _readCallback)
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{
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s_outputBuffer = compileStandardInternal(_input, _readCallback);
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return s_outputBuffer.c_str();
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}
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}
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