solidity/solc/CommandLineParser.h
2021-10-11 20:34:48 +02:00

322 lines
11 KiB
C++

/*
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
/**
* Validates and parses command-line options into an internal representation.
*/
#pragma once
#include <libsolidity/interface/CompilerStack.h>
#include <libsolidity/interface/DebugSettings.h>
#include <libsolidity/interface/FileReader.h>
#include <libsolidity/interface/ImportRemapper.h>
#include <libyul/AssemblyStack.h>
#include <liblangutil/DebugInfoSelection.h>
#include <liblangutil/EVMVersion.h>
#include <libsolutil/JSON.h>
#include <boost/program_options.hpp>
#include <boost/filesystem/path.hpp>
#include <map>
#include <memory>
#include <optional>
#include <ostream>
#include <set>
#include <string>
#include <vector>
namespace solidity::frontend
{
enum class InputMode
{
Compiler,
CompilerWithASTImport,
StandardJson,
Linker,
Assembler,
};
struct CompilerOutputs
{
bool operator!=(CompilerOutputs const& _other) const noexcept { return !(*this == _other); }
bool operator==(CompilerOutputs const& _other) const noexcept;
friend std::ostream& operator<<(std::ostream& _out, CompilerOutputs const& _requests);
static std::string const& componentName(bool CompilerOutputs::* _component);
static auto const& componentMap()
{
static std::map<std::string, bool CompilerOutputs::*> const components = {
{"ast-compact-json", &CompilerOutputs::astCompactJson},
{"asm", &CompilerOutputs::asm_},
{"asm-json", &CompilerOutputs::asmJson},
{"opcodes", &CompilerOutputs::opcodes},
{"bin", &CompilerOutputs::binary},
{"bin-runtime", &CompilerOutputs::binaryRuntime},
{"abi", &CompilerOutputs::abi},
{"ir", &CompilerOutputs::ir},
{"ir-optimized", &CompilerOutputs::irOptimized},
{"ewasm", &CompilerOutputs::ewasm},
{"hashes", &CompilerOutputs::signatureHashes},
{"userdoc", &CompilerOutputs::natspecUser},
{"devdoc", &CompilerOutputs::natspecDev},
{"metadata", &CompilerOutputs::metadata},
{"storage-layout", &CompilerOutputs::storageLayout},
};
return components;
}
bool astCompactJson = false;
bool asm_ = false;
bool asmJson = false;
bool opcodes = false;
bool binary = false;
bool binaryRuntime = false;
bool abi = false;
bool ir = false;
bool irOptimized = false;
bool ewasm = false;
bool signatureHashes = false;
bool natspecUser = false;
bool natspecDev = false;
bool metadata = false;
bool storageLayout = false;
};
struct CombinedJsonRequests
{
bool operator!=(CombinedJsonRequests const& _other) const noexcept { return !(*this == _other); }
bool operator==(CombinedJsonRequests const& _other) const noexcept;
friend std::ostream& operator<<(std::ostream& _out, CombinedJsonRequests const& _requests);
static std::string const& componentName(bool CombinedJsonRequests::* _component);
static auto const& componentMap()
{
static std::map<std::string, bool CombinedJsonRequests::*> const components = {
{"abi", &CombinedJsonRequests::abi},
{"metadata", &CombinedJsonRequests::metadata},
{"bin", &CombinedJsonRequests::binary},
{"bin-runtime", &CombinedJsonRequests::binaryRuntime},
{"opcodes", &CombinedJsonRequests::opcodes},
{"asm", &CombinedJsonRequests::asm_},
{"storage-layout", &CombinedJsonRequests::storageLayout},
{"generated-sources", &CombinedJsonRequests::generatedSources},
{"generated-sources-runtime", &CombinedJsonRequests::generatedSourcesRuntime},
{"srcmap", &CombinedJsonRequests::srcMap},
{"srcmap-runtime", &CombinedJsonRequests::srcMapRuntime},
{"function-debug", &CombinedJsonRequests::funDebug},
{"function-debug-runtime", &CombinedJsonRequests::funDebugRuntime},
{"hashes", &CombinedJsonRequests::signatureHashes},
{"devdoc", &CombinedJsonRequests::natspecDev},
{"userdoc", &CombinedJsonRequests::natspecUser},
{"ast", &CombinedJsonRequests::ast},
};
return components;
}
bool abi = false;
bool metadata = false;
bool binary = false;
bool binaryRuntime = false;
bool opcodes = false;
bool asm_ = false;
bool storageLayout = false;
bool generatedSources = false;
bool generatedSourcesRuntime = false;
bool srcMap = false;
bool srcMapRuntime = false;
bool funDebug = false;
bool funDebugRuntime = false;
bool signatureHashes = false;
bool natspecDev = false;
bool natspecUser = false;
bool ast = false;
};
struct CommandLineOptions
{
bool operator==(CommandLineOptions const& _other) const noexcept;
bool operator!=(CommandLineOptions const& _other) const noexcept { return !(*this == _other); }
OptimiserSettings optimiserSettings() const;
struct
{
InputMode mode = InputMode::Compiler;
std::set<boost::filesystem::path> paths;
std::vector<ImportRemapper::Remapping> remappings;
bool addStdin = false;
boost::filesystem::path basePath = "";
std::vector<boost::filesystem::path> includePaths;
FileReader::FileSystemPathSet allowedDirectories;
bool ignoreMissingFiles = false;
bool errorRecovery = false;
} input;
struct
{
boost::filesystem::path dir;
bool overwriteFiles = false;
langutil::EVMVersion evmVersion;
bool experimentalViaIR = false;
RevertStrings revertStrings = RevertStrings::Default;
std::optional<langutil::DebugInfoSelection> debugInfoSelection;
CompilerStack::State stopAfter = CompilerStack::State::CompilationSuccessful;
} output;
struct
{
yul::AssemblyStack::Machine targetMachine = yul::AssemblyStack::Machine::EVM;
yul::AssemblyStack::Language inputLanguage = yul::AssemblyStack::Language::StrictAssembly;
} assembly;
struct
{
std::map<std::string, util::h160> libraries; // library name -> address
} linker;
struct
{
util::JsonFormat json;
std::optional<bool> coloredOutput;
bool withErrorIds = false;
} formatting;
struct
{
CompilerOutputs outputs;
bool estimateGas = false;
std::optional<CombinedJsonRequests> combinedJsonRequests;
} compiler;
struct
{
CompilerStack::MetadataHash hash = CompilerStack::MetadataHash::IPFS;
bool literalSources = false;
} metadata;
struct
{
bool enabled = false;
std::optional<unsigned> expectedExecutionsPerDeployment;
bool noOptimizeYul = false;
std::optional<std::string> yulSteps;
} optimizer;
struct
{
bool initialize = false;
ModelCheckerSettings settings;
} modelChecker;
};
/// Parses the command-line arguments and produces a filled-out CommandLineOptions structure.
/// Validates provided values and prints error messages in case of errors.
///
/// The class is also responsible for handling options that only result in printing informational
/// text, without the need to invoke the compiler - printing usage banner, version or license.
class CommandLineParser
{
public:
explicit CommandLineParser(std::ostream& _sout, std::ostream& _serr):
m_sout(_sout),
m_serr(_serr)
{}
/// Parses the command-line arguments and fills out the internal CommandLineOptions structure.
/// Performs validation and prints error messages. If requested, prints usage banner, version
/// or license.
/// @param interactiveTerminal specifies whether the terminal is taking input from the user.
/// This is used to determine whether to provide more user-friendly output in some situations.
/// E.g. whether to print help text when no arguments are provided.
/// @return true if there were no validation errors when parsing options and the
/// CommandLineOptions structure has been fully initialized. false if there were errors - in
/// this case CommandLineOptions may be only partially filled out. May also return false if
/// there is not further processing necessary and the program should just exit.
bool parse(int _argc, char const* const* _argv, bool _interactiveTerminal);
CommandLineOptions const& options() const { return m_options; }
/// Returns true if the parser has written anything to any of its output streams.
bool hasOutput() const { return m_hasOutput; }
private:
/// @returns a specification of all named command-line options accepted by the compiler.
/// The object can be used to parse command-line arguments or to generate the help screen.
static boost::program_options::options_description optionsDescription();
/// @returns a specification of all positional command-line arguments accepted by the compiler.
/// The object can be used to parse command-line arguments or to generate the help screen.
static boost::program_options::positional_options_description positionalOptionsDescription();
/// Uses boost::program_options to parse the command-line arguments and leaves the result in @a m_args.
/// Also handles the arguments that result in information being printed followed by immediate exit.
/// @returns false if parsing fails due to syntactical errors or the arguments not matching the description.
bool parseArgs(int _argc, char const* const* _argv, bool _interactiveTerminal);
/// Validates parsed arguments stored in @a m_args and fills out the internal CommandLineOptions
/// structure.
/// @return false if there are any validation errors, true otherwise.
bool processArgs();
/// Parses the value supplied to --combined-json.
/// @return false if there are any validation errors, true otherwise.
bool parseCombinedJsonOption();
/// Parses the names of the input files, remappings for all modes except for Standard JSON.
/// Does not check if files actually exist.
/// @return false if there are any validation errors, true otherwise.
bool parseInputPathsAndRemappings();
/// Tries to read from the file @a _input or interprets @a _input literally if that fails.
/// It then tries to parse the contents and appends to m_options.libraries.
/// @return false if there are any validation errors, true otherwise.
bool parseLibraryOption(std::string const& _input);
bool parseOutputSelection();
bool checkMutuallyExclusive(std::vector<std::string> const& _optionNames);
[[noreturn]] void printVersionAndExit();
[[noreturn]] void printLicenseAndExit();
size_t countEnabledOptions(std::vector<std::string> const& _optionNames) const;
static std::string joinOptionNames(std::vector<std::string> const& _optionNames, std::string _separator = ", ");
/// Returns the stream that should receive normal output. Sets m_hasOutput to true if the
/// stream has ever been used.
std::ostream& sout();
/// Returns the stream that should receive error output. Sets m_hasOutput to true if the
/// stream has ever been used.
std::ostream& serr();
std::ostream& m_sout;
std::ostream& m_serr;
bool m_hasOutput = false;
CommandLineOptions m_options;
/// Map of command-line arguments produced by boost::program_options.
/// Serves as input for filling out m_options.
boost::program_options::variables_map m_args;
};
}