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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/Ethdebug.h>
#include <libevmasm/Disassemble.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::string_literals;
using namespace solidity;
using namespace solidity::util;
using namespace solidity::langutil;
namespace
{
std::set<frontend::InputMode> const CompilerInputModes{
frontend::InputMode::Compiler,
frontend::InputMode::CompilerWithASTImport,
};
} // anonymous namespace
namespace solidity::frontend
{
std::ostream& CommandLineInterface::sout(bool _markAsUsed)
{
if (_markAsUsed)
m_hasOutput = true;
return m_sout;
}
std::ostream& CommandLineInterface::serr(bool _markAsUsed)
{
if (_markAsUsed)
m_hasOutput = true;
return m_serr;
}
#define cin
#define cout
#define cerr
static std::string const g_stdinFileName = "<stdin>";
static std::string const g_strAbi = "abi";
static std::string const g_strAsm = "asm";
static std::string const g_strBinary = "bin";
static std::string const g_strBinaryRuntime = "bin-runtime";
static std::string const g_strContracts = "contracts";
static std::string const g_strFunDebug = "function-debug";
static std::string const g_strFunDebugRuntime = "function-debug-runtime";
static std::string const g_strGeneratedSources = "generated-sources";
static std::string const g_strGeneratedSourcesRuntime = "generated-sources-runtime";
static std::string const g_strNatspecDev = "devdoc";
static std::string const g_strNatspecUser = "userdoc";
static std::string const g_strOpcodes = "opcodes";
static std::string const g_strSignatureHashes = "hashes";
static std::string const g_strSourceList = "sourceList";
static std::string const g_strSources = "sources";
static std::string const g_strSrcMap = "srcmap";
static std::string const g_strSrcMapRuntime = "srcmap-runtime";
static std::string const g_strStorageLayout = "storage-layout";
static std::string const g_strTransientStorageLayout = "transient-storage-layout";
static std::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.yulCFGJson ||
_options.compiler.outputs.binary ||
_options.compiler.outputs.binaryRuntime ||
_options.compiler.outputs.ethdebug ||
_options.compiler.outputs.ethdebugRuntime ||
_options.compiler.outputs.metadata ||
_options.compiler.outputs.natspecUser ||
_options.compiler.outputs.natspecDev ||
_options.compiler.outputs.opcodes ||
_options.compiler.outputs.signatureHashes ||
_options.compiler.outputs.storageLayout ||
_options.compiler.outputs.transientStorageLayout;
}
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::handleEVMAssembly(std::string const& _contract)
{
solAssert(m_assemblyStack);
solAssert(
CompilerInputModes.count(m_options.input.mode) == 1 ||
m_options.input.mode == frontend::InputMode::EVMAssemblerJSON
);
if (!m_options.compiler.outputs.asm_ && !m_options.compiler.outputs.asmJson)
return;
std::string assembly;
if (m_options.compiler.outputs.asmJson)
assembly = util::jsonPrint(m_assemblyStack->assemblyJSON(_contract), m_options.formatting.json);
else
assembly = m_assemblyStack->assemblyString(_contract, m_fileReader.sourceUnits());
if (!m_options.output.dir.empty())
createFile(
m_compiler->filesystemFriendlyName(_contract) +
(m_options.compiler.outputs.asmJson ? "_evm.json" : ".evm"),
assembly
);
else
sout() << "EVM assembly:" << std::endl << assembly << std::endl;
}
void CommandLineInterface::handleBinary(std::string const& _contract)
{
solAssert(m_assemblyStack);
solAssert(
CompilerInputModes.count(m_options.input.mode) == 1 ||
m_options.input.mode == frontend::InputMode::EVMAssemblerJSON
);
std::string binary;
std::string binaryRuntime;
if (m_options.compiler.outputs.binary)
binary = objectWithLinkRefsHex(m_assemblyStack->object(_contract));
if (m_options.compiler.outputs.binaryRuntime)
binaryRuntime = objectWithLinkRefsHex(m_assemblyStack->runtimeObject(_contract));
if (m_options.compiler.outputs.binary)
{
if (!m_options.output.dir.empty())
createFile(m_assemblyStack->filesystemFriendlyName(_contract) + ".bin", binary);
else
{
sout() << "Binary:" << std::endl;
sout() << binary << std::endl;
}
}
if (m_options.compiler.outputs.binaryRuntime)
{
if (!m_options.output.dir.empty())
createFile(m_assemblyStack->filesystemFriendlyName(_contract) + ".bin-runtime", binaryRuntime);
else
{
sout() << "Binary of the runtime part:" << std::endl;
sout() << binaryRuntime << std::endl;
}
}
}
void CommandLineInterface::handleOpcode(std::string const& _contract)
{
solAssert(m_assemblyStack);
solAssert(
CompilerInputModes.count(m_options.input.mode) == 1 ||
m_options.input.mode == frontend::InputMode::EVMAssemblerJSON
);
std::string opcodes{evmasm::disassemble(m_assemblyStack->object(_contract).bytecode, m_options.output.evmVersion)};
if (!m_options.output.dir.empty())
createFile(m_assemblyStack->filesystemFriendlyName(_contract) + ".opcode", opcodes);
else
{
sout() << "Opcodes:" << std::endl;
sout() << std::uppercase << opcodes;
sout() << std::endl;
}
}
void CommandLineInterface::handleIR(std::string const& _contractName)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
if (!m_options.compiler.outputs.ir)
return;
std::optional<std::string> const& ir = m_compiler->yulIR(_contractName);
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contractName) + ".yul", ir.value_or(""));
else
{
sout() << "IR:\n";
sout() << ir.value_or("") << std::endl;
}
}
void CommandLineInterface::handleIRAst(std::string const& _contractName)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
if (!m_options.compiler.outputs.irAstJson)
return;
std::optional<Json> const& yulIRAst = m_compiler->yulIRAst(_contractName);
if (!m_options.output.dir.empty())
createFile(
m_compiler->filesystemFriendlyName(_contractName) + "_yul_ast.json",
util::jsonPrint(
yulIRAst.value_or(Json{}),
m_options.formatting.json
)
);
else
{
sout() << "IR AST:" << std::endl;
sout() << util::jsonPrint(
yulIRAst.value_or(Json{}),
m_options.formatting.json
) << std::endl;
}
}
void CommandLineInterface::handleYulCFGExport(std::string const& _contractName)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
if (!m_options.compiler.outputs.yulCFGJson)
return;
std::optional<Json> const& yulCFGJson = m_compiler->yulCFGJson(_contractName);
if (!m_options.output.dir.empty())
createFile(
m_compiler->filesystemFriendlyName(_contractName) + "_yul_cfg.json",
util::jsonPrint(
yulCFGJson.value_or(Json{}),
m_options.formatting.json
)
);
else
{
sout() << "Yul Control Flow Graph:" << std::endl;
sout() << util::jsonPrint(
yulCFGJson.value_or(Json{}),
m_options.formatting.json
) << std::endl;
}
}
void CommandLineInterface::handleIROptimized(std::string const& _contractName)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
if (!m_options.compiler.outputs.irOptimized)
return;
std::optional<std::string> const& irOptimized = m_compiler->yulIROptimized(_contractName);
if (!m_options.output.dir.empty())
createFile(
m_compiler->filesystemFriendlyName(_contractName) + "_opt.yul",
irOptimized.value_or("")
);
else
{
sout() << "Optimized IR:" << std::endl;
sout() << irOptimized.value_or("") << std::endl;
}
}
void CommandLineInterface::handleIROptimizedAst(std::string const& _contractName)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
if (!m_options.compiler.outputs.irOptimizedAstJson)
return;
std::optional<Json> const& yulIROptimizedAst = m_compiler->yulIROptimizedAst(_contractName);
if (!m_options.output.dir.empty())
createFile(
m_compiler->filesystemFriendlyName(_contractName) + "_opt_yul_ast.json",
util::jsonPrint(
yulIROptimizedAst.value_or(Json{}),
m_options.formatting.json
)
);
else
{
sout() << "Optimized IR AST:" << std::endl;
sout() << util::jsonPrint(
yulIROptimizedAst.value_or(Json{}),
m_options.formatting.json
) << std::endl;
}
}
void CommandLineInterface::handleBytecode(std::string const& _contract)
{
solAssert(
CompilerInputModes.count(m_options.input.mode) == 1 ||
m_options.input.mode == frontend::InputMode::EVMAssemblerJSON
);
if (m_options.compiler.outputs.opcodes)
handleOpcode(_contract);
if (m_options.compiler.outputs.binary || m_options.compiler.outputs.binaryRuntime)
handleBinary(_contract);
}
void CommandLineInterface::handleSignatureHashes(std::string const& _contract)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
if (!m_options.compiler.outputs.signatureHashes)
return;
Json interfaceSymbols = m_compiler->interfaceSymbols(_contract);
std::string out = "Function signatures:\n";
for (auto const& [name, value]: interfaceSymbols["methods"].items())
out += value.get<std::string>() + ": " + name + "\n";
if (interfaceSymbols.contains("errors"))
{
out += "\nError signatures:\n";
for (auto const& [name, value]: interfaceSymbols["errors"].items())
out += value.get<std::string>() + ": " + name + "\n";
}
if (interfaceSymbols.contains("events"))
{
out += "\nEvent signatures:\n";
for (auto const& [name, value]: interfaceSymbols["events"].items())
out += value.get<std::string>() + ": " + name + "\n";
}
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contract) + ".signatures", out);
else
sout() << out;
}
void CommandLineInterface::handleMetadata(std::string const& _contract)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
if (!m_options.compiler.outputs.metadata)
return;
std::string data = m_compiler->metadata(_contract);
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contract) + "_meta.json", data);
else
sout() << "Metadata:" << std::endl << data << std::endl;
}
void CommandLineInterface::handleABI(std::string const& _contract)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
if (!m_options.compiler.outputs.abi)
return;
std::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" << std::endl << data << std::endl;
}
void CommandLineInterface::handleStorageLayout(std::string const& _contract)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
if (!m_options.compiler.outputs.storageLayout)
return;
std::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:" << std::endl << data << std::endl;
}
void CommandLineInterface::handleTransientStorageLayout(std::string const& _contract)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
if (!m_options.compiler.outputs.transientStorageLayout)
return;
std::string data = jsonPrint(removeNullMembers(m_compiler->transientStorageLayout(_contract)), m_options.formatting.json);
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contract) + "_transient_storage.json", data);
else
sout() << "Contract Transient Storage Layout:" << std::endl << data << std::endl;
}
void CommandLineInterface::handleNatspec(bool _natspecDev, std::string const& _contract)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
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 = 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 << std::endl;
sout() << output << std::endl;
}
}
}
void CommandLineInterface::handleGasEstimation(std::string const& _contract)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
Json estimates = m_compiler->gasEstimates(_contract);
sout() << "Gas estimation:" << std::endl;
if (estimates["creation"].is_object())
{
Json creation = estimates["creation"];
sout() << "construction:" << std::endl;
sout() << " " << creation["executionCost"].get<std::string>();
sout() << " + " << creation["codeDepositCost"].get<std::string>();
sout() << " = " << creation["totalCost"].get<std::string>() << std::endl;
}
if (estimates["external"].is_object())
{
Json externalFunctions = estimates["external"];
sout() << "external:" << std::endl;
for (auto const& [name, value]: externalFunctions.items())
{
if (name.empty())
sout() << " fallback:\t";
else
sout() << " " << name << ":\t";
sout() << value.get<std::string>() << std::endl;
}
}
if (estimates["internal"].is_object())
{
Json internalFunctions = estimates["internal"];
sout() << "internal:" << std::endl;
for (auto const& [name, value]: internalFunctions.items())
{
sout() << " " << name << ":\t";
sout() << value.get<std::string>() << std::endl;
}
}
}
void CommandLineInterface::handleEthdebug()
{
if (m_options.compiler.outputs.ethdebug || m_options.compiler.outputs.ethdebugRuntime)
{
std::string ethdebug{jsonPrint(removeNullMembers(m_compiler->ethdebug()), m_options.formatting.json)};
if (!m_options.output.dir.empty())
createFile("ethdebug.json", ethdebug);
else
sout() << "======= Debug Data (ethdebug/format/info/resources) =======" << std::endl << ethdebug << std::endl;
}
}
void CommandLineInterface::handleEthdebug(std::string const& _contract)
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
if (!(m_options.compiler.outputs.ethdebug || m_options.compiler.outputs.ethdebugRuntime))
return;
if (m_options.compiler.outputs.ethdebug)
{
std::string ethdebug{jsonPrint(removeNullMembers(m_compiler->ethdebug(_contract)), m_options.formatting.json)};
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contract) + "_ethdebug.json", ethdebug);
else
sout() << "Debug Data (ethdebug/format/program):" << std::endl << ethdebug << std::endl;
}
if (m_options.compiler.outputs.ethdebugRuntime)
{
std::string ethdebugRuntime{jsonPrint(removeNullMembers(m_compiler->ethdebugRuntime(_contract)), m_options.formatting.json)};
if (!m_options.output.dir.empty())
createFile(m_compiler->filesystemFriendlyName(_contract) + "_ethdebug-runtime.json", ethdebugRuntime);
else
sout() << "Debug Data of the runtime part (ethdebug/format/program):" << std::endl << ethdebugRuntime << std::endl;
}
}
void CommandLineInterface::readInputFiles()
{
solAssert(!m_standardJsonInput.has_value());
if (m_options.input.noImportCallback)
m_universalCallback.resetImportCallback();
static std::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);
std::map<std::string, std::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() + "\""; };
std::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
report(Error::Severity::Info, fmt::format("\"{}\" is not found. Skipping.", infile.string()));
continue;
}
if (!boost::filesystem::is_regular_file(infile))
{
if (!m_options.input.ignoreMissingFiles)
solThrow(CommandLineValidationError, '"' + infile.string() + "\" is not a valid file.");
else
report(Error::Severity::Info, fmt::format("\"{}\" is not a valid file. Skipping.", infile.string()));
continue;
}
// NOTE: we ignore the FileNotFound exception as we manually check above
std::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.");
}
std::map<std::string, Json> CommandLineInterface::parseAstFromInput()
{
solAssert(m_options.input.mode == InputMode::CompilerWithASTImport);
std::map<std::string, Json> sourceJsons;
std::map<std::string, std::string> tmpSources;
for (SourceCode const& sourceCode: m_fileReader.sourceUnits() | ranges::views::values)
{
Json ast;
astAssert(jsonParseStrict(sourceCode, ast), "Input file could not be parsed to JSON");
astAssert(ast.contains("sources"), "Invalid Format for import-JSON: Must have 'sources'-object");
for (auto const& [src, value]: ast["sources"].items())
{
std::string astKey = value.contains("ast") ? "ast" : "AST";
astAssert(ast["sources"][src].contains(astKey), "astkey is not member");
astAssert(ast["sources"][src][astKey]["nodeType"].get<std::string>() == "SourceUnit", "Top-level node should be a 'SourceUnit'");
astAssert(sourceJsons.count(src) == 0, "All sources must have unique names");
sourceJsons.emplace(src, std::move(value[astKey]));
tmpSources[src] = util::jsonCompactPrint(ast);
}
}
m_fileReader.setSourceUnits(tmpSources);
return sourceJsons;
}
void CommandLineInterface::createFile(std::string const& _fileName, std::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));
std::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).");
std::ofstream outFile(pathName);
outFile << _data;
if (!outFile)
solThrow(CommandLineOutputError, "Could not write to file \"" + pathName + "\".");
}
void CommandLineInterface::createJson(std::string const& _fileName, std::string const& _json)
{
createFile(boost::filesystem::path(_fileName).stem().string() + std::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)
report(Error::Severity::Error, _exception.what());
return false;
}
catch (UnimplementedFeatureError const& _error)
{
solAssert(_error.comment(), "Unimplemented feature errors must include a message for the user");
report(Error::Severity::Error, stringOrDefault(_error.comment(), "Unimplemented feature"));
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;
}
try
{
parser.parse(_argc, _argv);
}
catch (...)
{
// Even if the overall CLI parsing fails, the --color/--no-color options may have been
// successfully parsed, and if so, should be taken into account when printing errors.
// If no value is present, it's possible that --no-color is still there but parsing failed
// due to other, unrecognized options so play it safe and disable color in that case.
m_options.formatting.coloredOutput = parser.options().formatting.coloredOutput.value_or(false);
throw;
}
m_options = parser.options();
return true;
}
void CommandLineInterface::processInput()
{
if (m_options.output.evmVersion < EVMVersion::constantinople())
report(
Error::Severity::Warning,
"Support for EVM versions older than constantinople is deprecated and will be removed in the future."
);
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())) << std::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;
case InputMode::EVMAssemblerJSON:
assembleFromEVMAssemblyJSON();
handleCombinedJSON();
handleBytecode(m_assemblyStack->contractNames().front());
handleEVMAssembly(m_assemblyStack->contractNames().front());
break;
}
}
void CommandLineInterface::printVersion()
{
sout() << "solc, the solidity compiler commandline interface" << std::endl;
sout() << "Version: " << solidity::frontend::VersionString << std::endl;
}
void CommandLineInterface::printLicense()
{
sout() << otherLicenses << std::endl;
// This is a static variable generated by cmake from LICENSE.txt
sout() << licenseText << std::endl;
}
void CommandLineInterface::assembleFromEVMAssemblyJSON()
{
solAssert(m_options.input.mode == InputMode::EVMAssemblerJSON);
solAssert(!m_assemblyStack);
solAssert(!m_evmAssemblyStack && !m_compiler);
solAssert(m_fileReader.sourceUnits().size() == 1);
auto&& [sourceUnitName, source] = *m_fileReader.sourceUnits().begin();
auto evmAssemblyStack = std::make_unique<evmasm::EVMAssemblyStack>(
m_options.output.evmVersion,
m_options.output.eofVersion,
evmasm::Assembly::OptimiserSettings::translateSettings(
m_options.optimiserSettings()
)
);
try
{
evmAssemblyStack->parseAndAnalyze(sourceUnitName, source);
}
catch (evmasm::AssemblyImportException const& _exception)
{
solThrow(CommandLineExecutionError, "Assembly Import Error: "s + _exception.what());
}
if (m_options.output.debugInfoSelection.has_value())
evmAssemblyStack->selectDebugInfo(m_options.output.debugInfoSelection.value());
evmAssemblyStack->assemble();
m_evmAssemblyStack = std::move(evmAssemblyStack);
m_assemblyStack = m_evmAssemblyStack.get();
}
void CommandLineInterface::compile()
{
solAssert(CompilerInputModes.count(m_options.input.mode) == 1);
solAssert(!m_assemblyStack);
solAssert(!m_evmAssemblyStack && !m_compiler);
m_compiler = std::make_unique<CompilerStack>(m_universalCallback.callback());
m_assemblyStack = m_compiler.get();
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());
CompilerStack::PipelineConfig pipelineConfig;
pipelineConfig.irOptimization =
m_options.compiler.outputs.irOptimized ||
m_options.compiler.outputs.irOptimizedAstJson ||
m_options.compiler.outputs.yulCFGJson;
pipelineConfig.irCodegen =
pipelineConfig.irOptimization ||
m_options.compiler.outputs.ir ||
m_options.compiler.outputs.irAstJson;
pipelineConfig.bytecode =
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.outputs.ethdebug ||
m_options.compiler.outputs.ethdebugRuntime ||
(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->selectContracts({{"", {{"", pipelineConfig}}}});
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());