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CommandLineInterface.cpp
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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 <[email protected]>
* @author Gav Wood <[email protected]>
* @date 2014
* Solidity command line interface.
*/
#include <solc/CommandLineInterface.h>
#include <solc/Exceptions.h>
#include "license.h"
#include "solidity/BuildInfo.h"
#include <libsolidity/interface/Version.h>
#include <libsolidity/ast/ASTJsonExporter.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 <libsolidity/lsp/LanguageServer.h>
#include <libsolidity/lsp/Transport.h>
#include <libyul/YulStack.h>
#include <libevmasm/Instruction.h>
#include <libevmasm/Disassemble.h>
#include <libevmasm/GasMeter.h>
#include <liblangutil/Exceptions.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 <fstream>
#include <memory>
#include <range/v3/view/map.hpp>
#include <boost/filesystem.hpp>
#include <boost/filesystem/operations.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
{
set<frontend::InputMode> const CompilerInputModes{
frontend::InputMode::Compiler,
frontend::InputMode::CompilerWithASTImport,
};
} // anonymous namespace
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)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
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)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contract) + ".opcode", evmasm::disassemble(m_compiler->object(_contract).bytecode, m_options.output.evmVersion));
else
{
sout() << "Opcodes:" << endl;
sout() << uppercase << evmasm::disassemble(m_compiler->object(_contract).bytecode, m_options.output.evmVersion);
sout() << endl;
}
}
void CommandLineInterface::handleIR(string const& _contractName)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
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)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
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)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
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)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
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)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
if (!m_options.compiler.outputs.signatureHashes)
return;
Json::Value interfaceSymbols = m_compiler->interfaceSymbols(_contract);
string out = "Function signatures:\n";
for (auto const& name: interfaceSymbols["methods"].getMemberNames())
out += interfaceSymbols["methods"][name].asString() + ": " + name + "\n";
if (interfaceSymbols.isMember("errors"))
{
out += "\nError signatures:\n";
for (auto const& name: interfaceSymbols["errors"].getMemberNames())
out += interfaceSymbols["errors"][name].asString() + ": " + name + "\n";
}
if (interfaceSymbols.isMember("events"))
{
out += "\nEvent signatures:\n";
for (auto const& name: interfaceSymbols["events"].getMemberNames())
out += interfaceSymbols["events"][name].asString() + ": " + name + "\n";
}
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contract) + ".signatures", out);
else
sout() << out;
}
void CommandLineInterface::handleMetadata(string const& _contract)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
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)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
if (!m_options.compiler.outputs.abi)
return;
string data = jsonPrint(removeNullMembers(m_compiler->contractABI(_contract)), m_options.formatting.json);
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)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
if (!m_options.compiler.outputs.storageLayout)
return;
string data = jsonPrint(removeNullMembers(m_compiler->storageLayout(_contract)), m_options.formatting.json);
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)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
bool enabled = false;
string suffix;
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)
{
string output = jsonPrint(
removeNullMembers(
_natspecDev ?
m_compiler->natspecDev(_contract) :
m_compiler->natspecUser(_contract)
),
m_options.formatting.json
);
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)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
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;
}
}
}
void CommandLineInterface::readInputFiles()
{
solAssert(!m_standardJsonInput.has_value());
static set<frontend::InputMode> const noInputFiles{
frontend::InputMode::Help,
frontend::InputMode::License,
frontend::InputMode::Version
};
if (noInputFiles.count(m_options.input.mode) == 1)
return;
m_fileReader.setBasePath(m_options.input.basePath);
if (m_fileReader.basePath() != "")
{
if (!boost::filesystem::exists(m_fileReader.basePath()))
solThrow(CommandLineValidationError, "Base path does not exist: \"" + m_fileReader.basePath().string() + '"');
if (!boost::filesystem::is_directory(m_fileReader.basePath()))
solThrow(CommandLineValidationError, "Base path is not a directory: \"" + m_fileReader.basePath().string() + '"');
}
for (boost::filesystem::path const& includePath: m_options.input.includePaths)
m_fileReader.addIncludePath(includePath);
for (boost::filesystem::path const& allowedDirectory: m_options.input.allowedDirectories)
m_fileReader.allowDirectory(allowedDirectory);
map<string, set<boost::filesystem::path>> collisions =
m_fileReader.detectSourceUnitNameCollisions(m_options.input.paths);
if (!collisions.empty())
{
auto pathToQuotedString = [](boost::filesystem::path const& _path){ return "\"" + _path.string() + "\""; };
string message =
"Source unit name collision detected. "
"The specified values of base path and/or include paths would result in multiple "
"input files being assigned the same source unit name:\n";
for (auto const& [sourceUnitName, normalizedInputPaths]: collisions)
{
message += sourceUnitName + " matches: ";
message += util::joinHumanReadable(normalizedInputPaths | ranges::views::transform(pathToQuotedString)) + "\n";
}
solThrow(CommandLineValidationError, message);
}
for (boost::filesystem::path const& infile: m_options.input.paths)
{
if (!boost::filesystem::exists(infile))
{
if (!m_options.input.ignoreMissingFiles)
solThrow(CommandLineValidationError, '"' + infile.string() + "\" is not found.");
else
serr() << infile << " is not found. Skipping." << endl;
continue;
}
if (!boost::filesystem::is_regular_file(infile))
{
if (!m_options.input.ignoreMissingFiles)
solThrow(CommandLineValidationError, '"' + infile.string() + "\" is not a valid file.");
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);
if (m_options.input.mode == InputMode::StandardJson)
{
solAssert(!m_standardJsonInput.has_value());
m_standardJsonInput = std::move(fileContent);
}
else
{
m_fileReader.addOrUpdateFile(infile, std::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.setStdin(readUntilEnd(m_sin));
}
if (
m_options.input.mode != InputMode::LanguageServer &&
m_fileReader.sourceUnits().empty() &&
!m_standardJsonInput.has_value()
)
solThrow(CommandLineValidationError, "All specified input files either do not exist or are not regular files.");
}
map<string, Json::Value> CommandLineInterface::parseAstFromInput()
{
solAssert(m_options.input.mode == InputMode::CompilerWithASTImport);
map<string, Json::Value> sourceJsons;
map<string, string> tmpSources;
for (SourceCode const& sourceCode: m_fileReader.sourceUnits() | 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())
{
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, std::move(ast["sources"][src][astKey]));
tmpSources[src] = util::jsonCompactPrint(ast);
}
}
m_fileReader.setSourceUnits(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)
solThrow(CommandLineOutputError, "Refusing to overwrite existing file \"" + pathName + "\" (use --overwrite to force).");
ofstream outFile(pathName);
outFile << _data;
if (!outFile)
solThrow(CommandLineOutputError, "Could not write to file \"" + pathName + "\".");
}
void CommandLineInterface::createJson(string const& _fileName, string const& _json)
{
createFile(boost::filesystem::path(_fileName).stem().string() + string(".json"), _json);
}
bool CommandLineInterface::run(int _argc, char const* const* _argv)
{
try
{
if (!parseArguments(_argc, _argv))
return false;
readInputFiles();
processInput();
return true;
}
catch (CommandLineError const& _exception)
{
m_hasOutput = true;
// There might be no message in the exception itself if the error output is bulky and has
// already been printed to stderr (this happens e.g. for compiler errors).
if (_exception.what() != ""s)
serr() << _exception.what() << endl;
return false;
}
}
bool CommandLineInterface::parseArguments(int _argc, char const* const* _argv)
{
CommandLineParser parser;
if (isatty(fileno(stdin)) && _argc == 1)
{
// If the terminal is taking input from the user, provide more user-friendly output.
CommandLineParser::printHelp(sout());
// In this case we want to exit with an error but not display any error message.
return false;
}
parser.parse(_argc, _argv);
m_options = parser.options();
return true;
}
void CommandLineInterface::processInput()
{
switch (m_options.input.mode)
{
case InputMode::Help:
CommandLineParser::printHelp(sout());
break;
case InputMode::License:
printLicense();
break;
case InputMode::Version:
printVersion();
break;
case InputMode::StandardJson:
{
solAssert(m_standardJsonInput.has_value());
StandardCompiler compiler(m_universalCallback.callback(), m_options.formatting.json);
sout() << compiler.compile(std::move(m_standardJsonInput.value())) << endl;
m_standardJsonInput.reset();
break;
}
case InputMode::LanguageServer:
serveLSP();
break;
case InputMode::Assembler:
assembleYul(m_options.assembly.inputLanguage, m_options.assembly.targetMachine);
break;
case InputMode::Linker:
link();
writeLinkedFiles();
break;
case InputMode::Compiler:
case InputMode::CompilerWithASTImport:
compile();
outputCompilationResults();
break;
}
}
void CommandLineInterface::printVersion()
{
sout() << "solc, the solidity compiler commandline interface" << endl;
sout() << "Version: " << solidity::frontend::VersionString << endl;
}
void CommandLineInterface::printLicense()
{
sout() << otherLicenses << endl;
// This is a static variable generated by cmake from LICENSE.txt
sout() << licenseText << endl;
}
void CommandLineInterface::compile()
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
m_compiler = make_unique<CompilerStack>(m_universalCallback.callback());
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->setMetadataFormat(m_options.metadata.format);
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.viaIR);
m_compiler->setEVMVersion(m_options.output.evmVersion);
m_compiler->setEOFVersion(m_options.output.eofVersion);
m_compiler->setRevertStringBehaviour(m_options.output.revertStrings);
if (m_options.output.debugInfoSelection.has_value())
m_compiler->selectDebugInfo(m_options.output.debugInfoSelection.value());
// 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);
m_compiler->enableEvmBytecodeGeneration(
m_options.compiler.estimateGas ||
m_options.compiler.outputs.asm_ ||
m_options.compiler.outputs.asmJson ||
m_options.compiler.outputs.opcodes ||
m_options.compiler.outputs.binary ||
m_options.compiler.outputs.binaryRuntime ||
(m_options.compiler.combinedJsonRequests && (
m_options.compiler.combinedJsonRequests->binary ||
m_options.compiler.combinedJsonRequests->binaryRuntime ||
m_options.compiler.combinedJsonRequests->opcodes ||
m_options.compiler.combinedJsonRequests->asm_ ||
m_options.compiler.combinedJsonRequests->generatedSources ||
m_options.compiler.combinedJsonRequests->generatedSourcesRuntime ||
m_options.compiler.combinedJsonRequests->srcMap ||
m_options.compiler.combinedJsonRequests->srcMapRuntime ||
m_options.compiler.combinedJsonRequests->funDebug ||
m_options.compiler.combinedJsonRequests->funDebugRuntime
))
);
m_compiler->setOptimiserSettings(m_options.optimiserSettings());
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)
{
// FIXME: AST import is missing proper validations. This hack catches failing
// assertions and presents them as if they were compiler errors.
solThrow(CommandLineExecutionError, "Failed to import AST: "s + _exc.what());
}
}
else
{
m_compiler->setSources(m_fileReader.sourceUnits());
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 && !m_options.input.errorRecovery)
solThrow(CommandLineExecutionError, "");
}
catch (CompilerError const& _exception)
{
m_hasOutput = true;
formatter.printExceptionInformation(
_exception,
Error::errorSeverity(Error::Type::CompilerError)
);
solThrow(CommandLineExecutionError, "");
}
catch (Error const& _error)
{
if (_error.type() == Error::Type::DocstringParsingError)
{
serr() << *boost::get_error_info<errinfo_comment>(_error);
solThrow(CommandLineExecutionError, "Documentation parsing failed.");
}
else
{
m_hasOutput = true;
formatter.printExceptionInformation(_error, Error::errorSeverity(_error.type()));
solThrow(CommandLineExecutionError, "");
}
}
}
void CommandLineInterface::handleCombinedJSON()
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
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, m_options.output.evmVersion);
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->interfaceSymbols(contractName)["methods"];
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.sourceUnits())
{
ASTJsonExporter 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()
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
if (!m_options.compiler.outputs.astCompactJson)
return;
vector<ASTNode const*> asts;
for (auto const& sourceCode: m_fileReader.sourceUnits())
asts.push_back(&m_compiler->ast(sourceCode.first));
if (!m_options.output.dir.empty())
{
for (auto const& sourceCode: m_fileReader.sourceUnits())
{
stringstream data;
string postfix = "";
ASTJsonExporter(m_compiler->state(), m_compiler->sourceIndices()).print(data, m_compiler->ast(sourceCode.first), m_options.formatting.json);
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.sourceUnits())
{
sout() << endl << "======= " << sourceCode.first << " =======" << endl;
ASTJsonExporter(m_compiler->state(), m_compiler->sourceIndices()).print(sout(), m_compiler->ast(sourceCode.first), m_options.formatting.json);
}
}
}
void CommandLineInterface::serveLSP()
{
lsp::StdioTransport transport;
if (!lsp::LanguageServer{transport}.run())
solThrow(CommandLineExecutionError, "LSP terminated abnormally.");
}
void CommandLineInterface::link()
{
solAssert(m_options.input.mode == InputMode::Linker);
// 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.sourceUnits();
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) != '_'
)
solThrow(
CommandLineExecutionError,
"Error in binary object file " + src.first + " at position " + to_string(it - src.second.begin()) + "\n" +
'"' + string(it, it + min(placeholderSize, static_cast<int>(end - it))) + "\" is not a valid link reference."
);
string foundPlaceholder(it, it + placeholderSize);
if (librariesReplacements.count(foundPlaceholder))
{
string hexStr(util::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.setSourceUnits(std::move(sourceCodes));
}
void CommandLineInterface::writeLinkedFiles()
{