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CommandLineInterface.cpp
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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/>.
*/
// SPDX-License-Identifier: GPL-3.0
/**
* @author Lefteris <lefteris@ethdev.com>
* @author Gav Wood <g@ethdev.com>
* @date 2014
* Solidity command line interface.
*/
#include <solc/CommandLineInterface.h>
#include "solidity/BuildInfo.h"
#include <libsolidity/interface/Version.h>
#include <libsolidity/ast/ASTJsonConverter.h>
#include <libsolidity/ast/ASTJsonImporter.h>
#include <libsolidity/analysis/NameAndTypeResolver.h>
#include <libsolidity/interface/CompilerStack.h>
#include <libsolidity/interface/StandardCompiler.h>
#include <libsolidity/interface/GasEstimator.h>
#include <libsolidity/interface/DebugSettings.h>
#include <libsolidity/interface/ImportRemapper.h>
#include <libsolidity/interface/StorageLayout.h>
#include <libyul/AssemblyStack.h>
#include <libevmasm/Instruction.h>
#include <libevmasm/GasMeter.h>
#include <liblangutil/Exceptions.h>
#include <liblangutil/Scanner.h>
#include <liblangutil/SourceReferenceFormatter.h>
#include <libsmtutil/Exceptions.h>
#include <libsolutil/Common.h>
#include <libsolutil/CommonData.h>
#include <libsolutil/CommonIO.h>
#include <libsolutil/JSON.h>
#include <algorithm>
#include <memory>
#include <range/v3/view/map.hpp>
#include <boost/filesystem.hpp>
#include <boost/filesystem/operations.hpp>
#include <boost/range/adaptor/filtered.hpp>
#include <boost/algorithm/string.hpp>
#ifdef _WIN32 // windows
#include <io.h>
#define isatty _isatty
#define fileno _fileno
#else // unix
#include <unistd.h>
#endif
#include <fstream>
#if !defined(STDERR_FILENO)
#define STDERR_FILENO 2
#endif
using namespace std;
using namespace solidity;
using namespace solidity::util;
using namespace solidity::langutil;
namespace solidity::frontend
{
ostream& CommandLineInterface::sout(bool _markAsUsed)
{
if (_markAsUsed)
m_hasOutput = true;
return m_sout;
}
ostream& CommandLineInterface::serr(bool _markAsUsed)
{
if (_markAsUsed)
m_hasOutput = true;
return m_serr;
}
#define cin
#define cout
#define cerr
static string const g_stdinFileName = "<stdin>";
static string const g_strAbi = "abi";
static string const g_strAsm = "asm";
static string const g_strAst = "ast";
static string const g_strBinary = "bin";
static string const g_strBinaryRuntime = "bin-runtime";
static string const g_strContracts = "contracts";
static string const g_strFunDebug = "function-debug";
static string const g_strFunDebugRuntime = "function-debug-runtime";
static string const g_strGeneratedSources = "generated-sources";
static string const g_strGeneratedSourcesRuntime = "generated-sources-runtime";
static string const g_strNatspecDev = "devdoc";
static string const g_strNatspecUser = "userdoc";
static string const g_strOpcodes = "opcodes";
static string const g_strSignatureHashes = "hashes";
static string const g_strSourceList = "sourceList";
static string const g_strSources = "sources";
static string const g_strSrcMap = "srcmap";
static string const g_strSrcMapRuntime = "srcmap-runtime";
static string const g_strStorageLayout = "storage-layout";
static string const g_strVersion = "version";
static bool needsHumanTargetedStdout(CommandLineOptions const& _options)
{
if (_options.compiler.estimateGas)
return true;
if (!_options.output.dir.empty())
return false;
return
_options.compiler.outputs.abi ||
_options.compiler.outputs.asm_ ||
_options.compiler.outputs.asmJson ||
_options.compiler.outputs.binary ||
_options.compiler.outputs.binaryRuntime ||
_options.compiler.outputs.metadata ||
_options.compiler.outputs.natspecUser ||
_options.compiler.outputs.natspecDev ||
_options.compiler.outputs.opcodes ||
_options.compiler.outputs.signatureHashes ||
_options.compiler.outputs.storageLayout;
}
static bool coloredOutput(CommandLineOptions const& _options)
{
return
(!_options.formatting.coloredOutput.has_value() && isatty(STDERR_FILENO)) ||
(_options.formatting.coloredOutput.has_value() && _options.formatting.coloredOutput.value());
}
void CommandLineInterface::handleBinary(string const& _contract)
{
if (m_options.compiler.outputs.binary)
{
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contract) + ".bin", objectWithLinkRefsHex(m_compiler->object(_contract)));
else
{
sout() << "Binary:" << endl;
sout() << objectWithLinkRefsHex(m_compiler->object(_contract)) << endl;
}
}
if (m_options.compiler.outputs.binaryRuntime)
{
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contract) + ".bin-runtime", objectWithLinkRefsHex(m_compiler->runtimeObject(_contract)));
else
{
sout() << "Binary of the runtime part:" << endl;
sout() << objectWithLinkRefsHex(m_compiler->runtimeObject(_contract)) << endl;
}
}
}
void CommandLineInterface::handleOpcode(string const& _contract)
{
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contract) + ".opcode", evmasm::disassemble(m_compiler->object(_contract).bytecode));
else
{
sout() << "Opcodes:" << endl;
sout() << std::uppercase << evmasm::disassemble(m_compiler->object(_contract).bytecode);
sout() << endl;
}
}
void CommandLineInterface::handleIR(string const& _contractName)
{
if (!m_options.compiler.outputs.ir)
return;
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contractName) + ".yul", m_compiler->yulIR(_contractName));
else
{
sout() << "IR:" << endl;
sout() << m_compiler->yulIR(_contractName) << endl;
}
}
void CommandLineInterface::handleIROptimized(string const& _contractName)
{
if (!m_options.compiler.outputs.irOptimized)
return;
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contractName) + "_opt.yul", m_compiler->yulIROptimized(_contractName));
else
{
sout() << "Optimized IR:" << endl;
sout() << m_compiler->yulIROptimized(_contractName) << endl;
}
}
void CommandLineInterface::handleEwasm(string const& _contractName)
{
if (!m_options.compiler.outputs.ewasm)
return;
if (!m_options.output.dir.empty())
{
createFile(m_compiler->filesystemFriendlyName(_contractName) + ".wast", m_compiler->ewasm(_contractName));
createFile(
m_compiler->filesystemFriendlyName(_contractName) + ".wasm",
asString(m_compiler->ewasmObject(_contractName).bytecode)
);
}
else
{
sout() << "Ewasm text:" << endl;
sout() << m_compiler->ewasm(_contractName) << endl;
sout() << "Ewasm binary (hex): " << m_compiler->ewasmObject(_contractName).toHex() << endl;
}
}
void CommandLineInterface::handleBytecode(string const& _contract)
{
if (m_options.compiler.outputs.opcodes)
handleOpcode(_contract);
if (m_options.compiler.outputs.binary || m_options.compiler.outputs.binaryRuntime)
handleBinary(_contract);
}
void CommandLineInterface::handleSignatureHashes(string const& _contract)
{
if (!m_options.compiler.outputs.signatureHashes)
return;
Json::Value methodIdentifiers = m_compiler->methodIdentifiers(_contract);
string out;
for (auto const& name: methodIdentifiers.getMemberNames())
out += methodIdentifiers[name].asString() + ": " + name + "\n";
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contract) + ".signatures", out);
else
sout() << "Function signatures:" << endl << out;
}
void CommandLineInterface::handleMetadata(string const& _contract)
{
if (!m_options.compiler.outputs.metadata)
return;
string data = m_compiler->metadata(_contract);
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contract) + "_meta.json", data);
else
sout() << "Metadata:" << endl << data << endl;
}
void CommandLineInterface::handleABI(string const& _contract)
{
if (!m_options.compiler.outputs.abi)
return;
string data = jsonCompactPrint(removeNullMembers(m_compiler->contractABI(_contract)));
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contract) + ".abi", data);
else
sout() << "Contract JSON ABI" << endl << data << endl;
}
void CommandLineInterface::handleStorageLayout(string const& _contract)
{
if (!m_options.compiler.outputs.storageLayout)
return;
string data = jsonCompactPrint(removeNullMembers(m_compiler->storageLayout(_contract)));
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contract) + "_storage.json", data);
else
sout() << "Contract Storage Layout:" << endl << data << endl;
}
void CommandLineInterface::handleNatspec(bool _natspecDev, string const& _contract)
{
bool enabled = false;
std::string suffix;
std::string title;
if (_natspecDev)
{
enabled = m_options.compiler.outputs.natspecDev;
suffix = ".docdev";
title = "Developer Documentation";
}
else
{
enabled = m_options.compiler.outputs.natspecUser;
suffix = ".docuser";
title = "User Documentation";
}
if (enabled)
{
std::string output = jsonPrettyPrint(
removeNullMembers(
_natspecDev ?
m_compiler->natspecDev(_contract) :
m_compiler->natspecUser(_contract)
)
);
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contract) + suffix, output);
else
{
sout() << title << endl;
sout() << output << endl;
}
}
}
void CommandLineInterface::handleGasEstimation(string const& _contract)
{
Json::Value estimates = m_compiler->gasEstimates(_contract);
sout() << "Gas estimation:" << endl;
if (estimates["creation"].isObject())
{
Json::Value creation = estimates["creation"];
sout() << "construction:" << endl;
sout() << " " << creation["executionCost"].asString();
sout() << " + " << creation["codeDepositCost"].asString();
sout() << " = " << creation["totalCost"].asString() << endl;
}
if (estimates["external"].isObject())
{
Json::Value externalFunctions = estimates["external"];
sout() << "external:" << endl;
for (auto const& name: externalFunctions.getMemberNames())
{
if (name.empty())
sout() << " fallback:\t";
else
sout() << " " << name << ":\t";
sout() << externalFunctions[name].asString() << endl;
}
}
if (estimates["internal"].isObject())
{
Json::Value internalFunctions = estimates["internal"];
sout() << "internal:" << endl;
for (auto const& name: internalFunctions.getMemberNames())
{
sout() << " " << name << ":\t";
sout() << internalFunctions[name].asString() << endl;
}
}
}
bool CommandLineInterface::readInputFiles()
{
solAssert(!m_standardJsonInput.has_value(), "");
m_fileReader.setBasePath(m_options.input.basePath);
if (m_fileReader.basePath() != "")
{
if (!boost::filesystem::exists(m_fileReader.basePath()))
{
serr() << "Base path does not exist: " << m_fileReader.basePath() << endl;
return false;
}
if (!boost::filesystem::is_directory(m_fileReader.basePath()))
{
serr() << "Base path is not a directory: " << m_fileReader.basePath() << endl;
return false;
}
}
for (boost::filesystem::path const& allowedDirectory: m_options.input.allowedDirectories)
m_fileReader.allowDirectory(allowedDirectory);
for (boost::filesystem::path const& infile: m_options.input.paths)
{
if (!boost::filesystem::exists(infile))
{
if (!m_options.input.ignoreMissingFiles)
{
serr() << infile << " is not found." << endl;
return false;
}
else
serr() << infile << " is not found. Skipping." << endl;
continue;
}
if (!boost::filesystem::is_regular_file(infile))
{
if (!m_options.input.ignoreMissingFiles)
{
serr() << infile << " is not a valid file." << endl;
return false;
}
else
serr() << infile << " is not a valid file. Skipping." << endl;
continue;
}
// NOTE: we ignore the FileNotFound exception as we manually check above
string fileContent = readFileAsString(infile.string());
if (m_options.input.mode == InputMode::StandardJson)
{
solAssert(!m_standardJsonInput.has_value(), "");
m_standardJsonInput = move(fileContent);
}
else
{
m_fileReader.setSource(infile, move(fileContent));
m_fileReader.allowDirectory(boost::filesystem::canonical(infile).remove_filename());
}
}
if (m_options.input.addStdin)
{
if (m_options.input.mode == InputMode::StandardJson)
{
solAssert(!m_standardJsonInput.has_value(), "");
m_standardJsonInput = readUntilEnd(m_sin);
}
else
m_fileReader.setSource(g_stdinFileName, readUntilEnd(m_sin));
}
if (m_fileReader.sourceCodes().empty() && !m_standardJsonInput.has_value())
{
serr() << "All specified input files either do not exist or are not regular files." << endl;
return false;
}
return true;
}
map<string, Json::Value> CommandLineInterface::parseAstFromInput()
{
map<string, Json::Value> sourceJsons;
map<string, string> tmpSources;
for (SourceCode const& sourceCode: m_fileReader.sourceCodes() | ranges::views::values)
{
Json::Value ast;
astAssert(jsonParseStrict(sourceCode, ast), "Input file could not be parsed to JSON");
astAssert(ast.isMember("sources"), "Invalid Format for import-JSON: Must have 'sources'-object");
for (auto& src: ast["sources"].getMemberNames())
{
std::string astKey = ast["sources"][src].isMember("ast") ? "ast" : "AST";
astAssert(ast["sources"][src].isMember(astKey), "astkey is not member");
astAssert(ast["sources"][src][astKey]["nodeType"].asString() == "SourceUnit", "Top-level node should be a 'SourceUnit'");
astAssert(sourceJsons.count(src) == 0, "All sources must have unique names");
sourceJsons.emplace(src, move(ast["sources"][src][astKey]));
tmpSources[src] = util::jsonCompactPrint(ast);
}
}
m_fileReader.setSources(tmpSources);
return sourceJsons;
}
void CommandLineInterface::createFile(string const& _fileName, string const& _data)
{
namespace fs = boost::filesystem;
solAssert(!m_options.output.dir.empty(), "");
// NOTE: create_directories() raises an exception if the path consists solely of '.' or '..'
// (or equivalent such as './././.'). Paths like 'a/b/.' and 'a/b/..' are fine though.
// The simplest workaround is to use an absolute path.
fs::create_directories(fs::absolute(m_options.output.dir));
string pathName = (m_options.output.dir / _fileName).string();
if (fs::exists(pathName) && !m_options.output.overwriteFiles)
{
serr() << "Refusing to overwrite existing file \"" << pathName << "\" (use --overwrite to force)." << endl;
m_error = true;
return;
}
ofstream outFile(pathName);
outFile << _data;
if (!outFile)
{
serr() << "Could not write to file \"" << pathName << "\"." << endl;
m_error = true;
return;
}
}
void CommandLineInterface::createJson(string const& _fileName, string const& _json)
{
createFile(boost::filesystem::basename(_fileName) + string(".json"), _json);
}
bool CommandLineInterface::parseArguments(int _argc, char const* const* _argv)
{
CommandLineParser parser(sout(/* _markAsUsed */ false), serr(/* _markAsUsed */ false));
bool success = parser.parse(_argc, _argv, isatty(fileno(stdin)));
if (!success)
return false;
m_hasOutput = m_hasOutput || parser.hasOutput();
m_options = parser.options();
return true;
}
bool CommandLineInterface::processInput()
{
switch (m_options.input.mode)
{
case InputMode::StandardJson:
{
solAssert(m_standardJsonInput.has_value(), "");
StandardCompiler compiler(m_fileReader.reader(), m_options.formatting.json);
sout() << compiler.compile(move(m_standardJsonInput.value())) << endl;
m_standardJsonInput.reset();
return true;
}
case InputMode::Assembler:
{
return assemble(
m_options.assembly.inputLanguage,
m_options.assembly.targetMachine,
m_options.optimizer.enabled,
m_options.optimizer.expectedExecutionsPerDeployment,
m_options.optimizer.yulSteps
);
}
case InputMode::Linker:
return link();
case InputMode::Compiler:
case InputMode::CompilerWithASTImport:
return compile();
}
solAssert(false, "");
return false;
}
bool CommandLineInterface::compile()
{
solAssert(m_options.input.mode == InputMode::Compiler || m_options.input.mode == InputMode::CompilerWithASTImport, "");
m_compiler = make_unique<CompilerStack>(m_fileReader.reader());
SourceReferenceFormatter formatter(serr(false), *m_compiler, coloredOutput(m_options), m_options.formatting.withErrorIds);
try
{
if (m_options.metadata.literalSources)
m_compiler->useMetadataLiteralSources(true);
m_compiler->setMetadataHash(m_options.metadata.hash);
if (m_options.modelChecker.initialize)
m_compiler->setModelCheckerSettings(m_options.modelChecker.settings);
m_compiler->setRemappings(m_options.input.remappings);
m_compiler->setLibraries(m_options.linker.libraries);
m_compiler->setViaIR(m_options.output.experimentalViaIR);
m_compiler->setEVMVersion(m_options.output.evmVersion);
m_compiler->setRevertStringBehaviour(m_options.output.revertStrings);
// TODO: Perhaps we should not compile unless requested
m_compiler->enableIRGeneration(m_options.compiler.outputs.ir || m_options.compiler.outputs.irOptimized);
m_compiler->enableEwasmGeneration(m_options.compiler.outputs.ewasm);
OptimiserSettings settings = m_options.optimizer.enabled ? OptimiserSettings::standard() : OptimiserSettings::minimal();
if (m_options.optimizer.expectedExecutionsPerDeployment.has_value())
settings.expectedExecutionsPerDeployment = m_options.optimizer.expectedExecutionsPerDeployment.value();
if (m_options.optimizer.noOptimizeYul)
settings.runYulOptimiser = false;
if (m_options.optimizer.yulSteps.has_value())
settings.yulOptimiserSteps = m_options.optimizer.yulSteps.value();
settings.optimizeStackAllocation = settings.runYulOptimiser;
m_compiler->setOptimiserSettings(settings);
if (m_options.input.mode == InputMode::CompilerWithASTImport)
{
try
{
m_compiler->importASTs(parseAstFromInput());
if (!m_compiler->analyze())
{
formatter.printErrorInformation(m_compiler->errors());
astAssert(false, "Analysis of the AST failed");
}
}
catch (Exception const& _exc)
{
serr() << string("Failed to import AST: ") << _exc.what() << endl;
return false;
}
}
else
{
m_compiler->setSources(m_fileReader.sourceCodes());
m_compiler->setParserErrorRecovery(m_options.input.errorRecovery);
}
bool successful = m_compiler->compile(m_options.output.stopAfter);
for (auto const& error: m_compiler->errors())
{
m_hasOutput = true;
formatter.printErrorInformation(*error);
}
if (!successful)
return m_options.input.errorRecovery;
}
catch (CompilerError const& _exception)
{
m_hasOutput = true;
formatter.printExceptionInformation(_exception, "Compiler error");
return false;
}
catch (InternalCompilerError const& _exception)
{
serr() <<
"Internal compiler error during compilation:" <<
endl <<
boost::diagnostic_information(_exception);
return false;
}
catch (UnimplementedFeatureError const& _exception)
{
serr() <<
"Unimplemented feature:" <<
endl <<
boost::diagnostic_information(_exception);
return false;
}
catch (smtutil::SMTLogicError const& _exception)
{
serr() <<
"SMT logic error during analysis:" <<
endl <<
boost::diagnostic_information(_exception);
return false;
}
catch (Error const& _error)
{
if (_error.type() == Error::Type::DocstringParsingError)
serr() << "Documentation parsing error: " << *boost::get_error_info<errinfo_comment>(_error) << endl;
else
{
m_hasOutput = true;
formatter.printExceptionInformation(_error, _error.typeName());
}
return false;
}
catch (Exception const& _exception)
{
serr() << "Exception during compilation: " << boost::diagnostic_information(_exception) << endl;
return false;
}
catch (std::exception const& _e)
{
serr() << "Unknown exception during compilation" << (
_e.what() ? ": " + string(_e.what()) : "."
) << endl;
return false;
}
catch (...)
{
serr() << "Unknown exception during compilation." << endl;
return false;
}
return true;
}
void CommandLineInterface::handleCombinedJSON()
{
if (!m_options.compiler.combinedJsonRequests.has_value())
return;
Json::Value output(Json::objectValue);
output[g_strVersion] = frontend::VersionString;
vector<string> contracts = m_compiler->contractNames();
if (!contracts.empty())
output[g_strContracts] = Json::Value(Json::objectValue);
for (string const& contractName: contracts)
{
Json::Value& contractData = output[g_strContracts][contractName] = Json::objectValue;
if (m_options.compiler.combinedJsonRequests->abi)
contractData[g_strAbi] = m_compiler->contractABI(contractName);
if (m_options.compiler.combinedJsonRequests->metadata)
contractData["metadata"] = m_compiler->metadata(contractName);
if (m_options.compiler.combinedJsonRequests->binary && m_compiler->compilationSuccessful())
contractData[g_strBinary] = m_compiler->object(contractName).toHex();
if (m_options.compiler.combinedJsonRequests->binaryRuntime && m_compiler->compilationSuccessful())
contractData[g_strBinaryRuntime] = m_compiler->runtimeObject(contractName).toHex();
if (m_options.compiler.combinedJsonRequests->opcodes && m_compiler->compilationSuccessful())
contractData[g_strOpcodes] = evmasm::disassemble(m_compiler->object(contractName).bytecode);
if (m_options.compiler.combinedJsonRequests->asm_ && m_compiler->compilationSuccessful())
contractData[g_strAsm] = m_compiler->assemblyJSON(contractName);
if (m_options.compiler.combinedJsonRequests->storageLayout && m_compiler->compilationSuccessful())
contractData[g_strStorageLayout] = m_compiler->storageLayout(contractName);
if (m_options.compiler.combinedJsonRequests->generatedSources && m_compiler->compilationSuccessful())
contractData[g_strGeneratedSources] = m_compiler->generatedSources(contractName, false);
if (m_options.compiler.combinedJsonRequests->generatedSourcesRuntime && m_compiler->compilationSuccessful())
contractData[g_strGeneratedSourcesRuntime] = m_compiler->generatedSources(contractName, true);
if (m_options.compiler.combinedJsonRequests->srcMap && m_compiler->compilationSuccessful())
{
auto map = m_compiler->sourceMapping(contractName);
contractData[g_strSrcMap] = map ? *map : "";
}
if (m_options.compiler.combinedJsonRequests->srcMapRuntime && m_compiler->compilationSuccessful())
{
auto map = m_compiler->runtimeSourceMapping(contractName);
contractData[g_strSrcMapRuntime] = map ? *map : "";
}
if (m_options.compiler.combinedJsonRequests->funDebug && m_compiler->compilationSuccessful())
contractData[g_strFunDebug] = StandardCompiler::formatFunctionDebugData(
m_compiler->object(contractName).functionDebugData
);
if (m_options.compiler.combinedJsonRequests->funDebugRuntime && m_compiler->compilationSuccessful())
contractData[g_strFunDebugRuntime] = StandardCompiler::formatFunctionDebugData(
m_compiler->runtimeObject(contractName).functionDebugData
);
if (m_options.compiler.combinedJsonRequests->signatureHashes)
contractData[g_strSignatureHashes] = m_compiler->methodIdentifiers(contractName);
if (m_options.compiler.combinedJsonRequests->natspecDev)
contractData[g_strNatspecDev] = m_compiler->natspecDev(contractName);
if (m_options.compiler.combinedJsonRequests->natspecUser)
contractData[g_strNatspecUser] = m_compiler->natspecUser(contractName);
}
bool needsSourceList =
m_options.compiler.combinedJsonRequests->ast ||
m_options.compiler.combinedJsonRequests->srcMap ||
m_options.compiler.combinedJsonRequests->srcMapRuntime;
if (needsSourceList)
{
// Indices into this array are used to abbreviate source names in source locations.
output[g_strSourceList] = Json::Value(Json::arrayValue);
for (auto const& source: m_compiler->sourceNames())
output[g_strSourceList].append(source);
}
if (m_options.compiler.combinedJsonRequests->ast)
{
output[g_strSources] = Json::Value(Json::objectValue);
for (auto const& sourceCode: m_fileReader.sourceCodes())
{
ASTJsonConverter converter(m_compiler->state(), m_compiler->sourceIndices());
output[g_strSources][sourceCode.first] = Json::Value(Json::objectValue);
output[g_strSources][sourceCode.first]["AST"] = converter.toJson(m_compiler->ast(sourceCode.first));
}
}
string json = jsonPrint(removeNullMembers(std::move(output)), m_options.formatting.json);
if (!m_options.output.dir.empty())
createJson("combined", json);
else
sout() << json << endl;
}
void CommandLineInterface::handleAst()
{
if (!m_options.compiler.outputs.astCompactJson)
return;
vector<ASTNode const*> asts;
for (auto const& sourceCode: m_fileReader.sourceCodes())
asts.push_back(&m_compiler->ast(sourceCode.first));
if (!m_options.output.dir.empty())
{
for (auto const& sourceCode: m_fileReader.sourceCodes())
{
stringstream data;
string postfix = "";
ASTJsonConverter(m_compiler->state(), m_compiler->sourceIndices()).print(data, m_compiler->ast(sourceCode.first));
postfix += "_json";
boost::filesystem::path path(sourceCode.first);
createFile(path.filename().string() + postfix + ".ast", data.str());
}
}
else
{
sout() << "JSON AST (compact format):" << endl << endl;
for (auto const& sourceCode: m_fileReader.sourceCodes())
{
sout() << endl << "======= " << sourceCode.first << " =======" << endl;
ASTJsonConverter(m_compiler->state(), m_compiler->sourceIndices()).print(sout(), m_compiler->ast(sourceCode.first));
}
}
}
bool CommandLineInterface::actOnInput()
{
if (m_options.input.mode == InputMode::StandardJson || m_options.input.mode == InputMode::Assembler)
// Already done in "processInput" phase.
return true;
else if (m_options.input.mode == InputMode::Linker)
writeLinkedFiles();
else
{
solAssert(m_options.input.mode == InputMode::Compiler || m_options.input.mode == InputMode::CompilerWithASTImport, "");
outputCompilationResults();
}
return !m_error;
}
bool CommandLineInterface::link()
{
// Map from how the libraries will be named inside the bytecode to their addresses.
map<string, h160> librariesReplacements;
int const placeholderSize = 40; // 20 bytes or 40 hex characters
for (auto const& library: m_options.linker.libraries)
{
string const& name = library.first;
// Library placeholders are 40 hex digits (20 bytes) that start and end with '__'.
// This leaves 36 characters for the library identifier. The identifier used to
// be just the cropped or '_'-padded library name, but this changed to
// the cropped hex representation of the hash of the library name.
// We support both ways of linking here.
librariesReplacements["__" + evmasm::LinkerObject::libraryPlaceholder(name) + "__"] = library.second;
string replacement = "__";
for (size_t i = 0; i < placeholderSize - 4; ++i)
replacement.push_back(i < name.size() ? name[i] : '_');
replacement += "__";
librariesReplacements[replacement] = library.second;
}
FileReader::StringMap sourceCodes = m_fileReader.sourceCodes();
for (auto& src: sourceCodes)
{
auto end = src.second.end();
for (auto it = src.second.begin(); it != end;)
{
while (it != end && *it != '_') ++it;
if (it == end) break;
if (
end - it < placeholderSize ||
*(it + 1) != '_' ||
*(it + placeholderSize - 2) != '_' ||
*(it + placeholderSize - 1) != '_'
)
{
serr() << "Error in binary object file " << src.first << " at position " << (it - src.second.begin()) << endl;
serr() << '"' << string(it, it + min(placeholderSize, static_cast<int>(end - it))) << "\" is not a valid link reference." << endl;
return false;
}
string foundPlaceholder(it, it + placeholderSize);
if (librariesReplacements.count(foundPlaceholder))
{
string hexStr(toHex(librariesReplacements.at(foundPlaceholder).asBytes()));
copy(hexStr.begin(), hexStr.end(), it);
}
else
serr() << "Reference \"" << foundPlaceholder << "\" in file \"" << src.first << "\" still unresolved." << endl;
it += placeholderSize;
}
// Remove hints for resolved libraries.
for (auto const& library: m_options.linker.libraries)
boost::algorithm::erase_all(src.second, "\n" + libraryPlaceholderHint(library.first));
while (!src.second.empty() && *prev(src.second.end()) == '\n')
src.second.resize(src.second.size() - 1);
}
m_fileReader.setSources(move(sourceCodes));
return true;
}
void CommandLineInterface::writeLinkedFiles()
{
for (auto const& src: m_fileReader.sourceCodes())
if (src.first == g_stdinFileName)
sout() << src.second << endl;
else
{
ofstream outFile(src.first);
outFile << src.second;
if (!outFile)
{
serr() << "Could not write to file " << src.first << ". Aborting." << endl;
return;
}
}
sout() << "Linking completed." << endl;
}
string CommandLineInterface::libraryPlaceholderHint(string const& _libraryName)
{
return "// " + evmasm::LinkerObject::libraryPlaceholder(_libraryName) + " -> " + _libraryName;
}
string CommandLineInterface::objectWithLinkRefsHex(evmasm::LinkerObject const& _obj)
{
string out = _obj.toHex();
if (!_obj.linkReferences.empty())
{
out += "\n";
for (auto const& linkRef: _obj.linkReferences)
out += "\n" + libraryPlaceholderHint(linkRef.second);
}
return out;
}
bool CommandLineInterface::assemble(
yul::AssemblyStack::Language _language,
yul::AssemblyStack::Machine _targetMachine,
bool _optimize,
optional<unsigned int> _expectedExecutionsPerDeployment,
optional<string> _yulOptimiserSteps
)
{
solAssert(_optimize || !_yulOptimiserSteps.has_value(), "");
bool successful = true;
map<string, yul::AssemblyStack> assemblyStacks;
for (auto const& src: m_fileReader.sourceCodes())
{
OptimiserSettings settings = _optimize ? OptimiserSettings::full() : OptimiserSettings::minimal();
if (_expectedExecutionsPerDeployment.has_value())
settings.expectedExecutionsPerDeployment = _expectedExecutionsPerDeployment.value();
if (_yulOptimiserSteps.has_value())
settings.yulOptimiserSteps = _yulOptimiserSteps.value();
auto& stack = assemblyStacks[src.first] = yul::AssemblyStack(m_options.output.evmVersion, _language, settings);
try
{
if (!stack.parseAndAnalyze(src.first, src.second))
successful = false;
else
stack.optimize();
}
catch (Exception const& _exception)
{
serr() << "Exception in assembler: " << boost::diagnostic_information(_exception) << endl;
return false;
}
catch (std::exception const& _e)
{
serr() <<
"Unknown exception during compilation" <<
(_e.what() ? ": " + string(_e.what()) : ".") <<
endl;
return false;
}
catch (...)
{
serr() << "Unknown exception in assembler." << endl;
return false;
}
}
for (auto const& sourceAndStack: assemblyStacks)
{
auto const& stack = sourceAndStack.second;
SourceReferenceFormatter formatter(serr(false), stack, coloredOutput(m_options), m_options.formatting.withErrorIds);
for (auto const& error: stack.errors())
{
m_hasOutput = true;
formatter.printErrorInformation(*error);
}
if (!Error::containsOnlyWarnings(stack.errors()))