solidity/solc/CommandLineInterface.cpp

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/*
This file is part of cpp-ethereum.
cpp-ethereum 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.
cpp-ethereum 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 cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @author Lefteris <lefteris@ethdev.com>
* @author Gav Wood <g@ethdev.com>
* @date 2014
* Solidity command line interface.
*/
#include "CommandLineInterface.h"
#ifdef _WIN32 // windows
#include <io.h>
#define isatty _isatty
#define fileno _fileno
#else // unix
#include <unistd.h>
#endif
#include <string>
#include <iostream>
#include <fstream>
#include <boost/filesystem.hpp>
#include <boost/filesystem/operations.hpp>
#include <boost/algorithm/string.hpp>
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#include "solidity/BuildInfo.h"
#include <libdevcore/Common.h>
#include <libdevcore/CommonData.h>
#include <libdevcore/CommonIO.h>
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#include <libevmasm/Instruction.h>
#include <libevmasm/GasMeter.h>
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#include <libsolidity/interface/Version.h>
#include <libsolidity/parsing/Scanner.h>
#include <libsolidity/parsing/Parser.h>
#include <libsolidity/ast/ASTPrinter.h>
#include <libsolidity/ast/ASTJsonConverter.h>
#include <libsolidity/analysis/NameAndTypeResolver.h>
#include <libsolidity/interface/Exceptions.h>
#include <libsolidity/interface/CompilerStack.h>
#include <libsolidity/interface/SourceReferenceFormatter.h>
#include <libsolidity/interface/GasEstimator.h>
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#include <libsolidity/inlineasm/AsmParser.h>
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#include <libsolidity/formal/Why3Translator.h>
using namespace std;
namespace po = boost::program_options;
namespace dev
{
namespace solidity
{
static string const g_argAbiStr = "abi";
static string const g_argSolInterfaceStr = "interface";
static string const g_argSignatureHashes = "hashes";
static string const g_argGas = "gas";
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static string const g_argAsmStr = "asm";
static string const g_argAsmJsonStr = "asm-json";
static string const g_argAstStr = "ast";
static string const g_argAstJson = "ast-json";
static string const g_argBinaryStr = "bin";
static string const g_argRuntimeBinaryStr = "bin-runtime";
static string const g_argCloneBinaryStr = "clone-bin";
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static string const g_argOpcodesStr = "opcodes";
static string const g_argNatspecDevStr = "devdoc";
static string const g_argNatspecUserStr = "userdoc";
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static string const g_argAddStandard = "add-std";
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static string const g_stdinFileName = "<stdin>";
/// Possible arguments to for --combined-json
static set<string> const g_combinedJsonArgs{
"bin",
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"bin-runtime",
"clone-bin",
"opcodes",
"abi",
"interface",
"asm",
"ast",
"userdoc",
"devdoc"
};
static void version()
{
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cout <<
"solc, the solidity compiler commandline interface" <<
endl <<
"Version: " <<
dev::solidity::VersionString <<
endl;
exit(0);
}
static bool needsHumanTargetedStdout(po::variables_map const& _args)
{
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if (_args.count(g_argGas))
return true;
if (_args.count("output-dir"))
return false;
for (string const& arg: {
g_argAbiStr,
g_argSolInterfaceStr,
g_argSignatureHashes,
g_argNatspecUserStr,
g_argAstJson,
g_argNatspecDevStr,
g_argAsmStr,
g_argAsmJsonStr,
g_argOpcodesStr,
g_argBinaryStr,
g_argRuntimeBinaryStr,
g_argCloneBinaryStr,
string("formal")
})
if (_args.count(arg))
return true;
return false;
}
void CommandLineInterface::handleBinary(string const& _contract)
{
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if (m_args.count(g_argBinaryStr))
{
if (m_args.count("output-dir"))
createFile(_contract + ".bin", m_compiler->object(_contract).toHex());
else
{
cout << "Binary: " << endl;
cout << m_compiler->object(_contract).toHex() << endl;
}
}
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if (m_args.count(g_argCloneBinaryStr))
{
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if (m_args.count("output-dir"))
createFile(_contract + ".clone_bin", m_compiler->cloneObject(_contract).toHex());
else
{
cout << "Clone Binary: " << endl;
cout << m_compiler->cloneObject(_contract).toHex() << endl;
}
}
if (m_args.count(g_argRuntimeBinaryStr))
{
if (m_args.count("output-dir"))
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createFile(_contract + ".bin-runtime", m_compiler->runtimeObject(_contract).toHex());
else
{
cout << "Binary of the runtime part: " << endl;
cout << m_compiler->runtimeObject(_contract).toHex() << endl;
}
}
}
void CommandLineInterface::handleOpcode(string const& _contract)
{
if (m_args.count("output-dir"))
createFile(_contract + ".opcode", solidity::disassemble(m_compiler->object(_contract).bytecode));
else
{
cout << "Opcodes: " << endl;
cout << solidity::disassemble(m_compiler->object(_contract).bytecode);
cout << endl;
}
}
void CommandLineInterface::handleBytecode(string const& _contract)
{
if (m_args.count(g_argOpcodesStr))
handleOpcode(_contract);
if (m_args.count(g_argBinaryStr) || m_args.count(g_argCloneBinaryStr) || m_args.count(g_argRuntimeBinaryStr))
handleBinary(_contract);
}
void CommandLineInterface::handleSignatureHashes(string const& _contract)
{
if (!m_args.count(g_argSignatureHashes))
return;
string out;
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for (auto const& it: m_compiler->contractDefinition(_contract).interfaceFunctions())
out += toHex(it.first.ref()) + ": " + it.second->externalSignature() + "\n";
if (m_args.count("output-dir"))
createFile(_contract + ".signatures", out);
else
cout << "Function signatures: " << endl << out;
}
void CommandLineInterface::handleMeta(DocumentationType _type, string const& _contract)
{
std::string argName;
std::string suffix;
std::string title;
switch(_type)
{
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case DocumentationType::ABIInterface:
argName = g_argAbiStr;
suffix = ".abi";
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title = "Contract JSON ABI";
break;
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case DocumentationType::ABISolidityInterface:
argName = g_argSolInterfaceStr;
suffix = "_interface.sol";
title = "Contract Solidity ABI";
break;
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case DocumentationType::NatspecUser:
argName = g_argNatspecUserStr;
suffix = ".docuser";
title = "User Documentation";
break;
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case DocumentationType::NatspecDev:
argName = g_argNatspecDevStr;
suffix = ".docdev";
title = "Developer Documentation";
break;
default:
// should never happen
BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Unknown documentation _type"));
}
if (m_args.count(argName))
{
if (m_args.count("output-dir"))
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createFile(_contract + suffix, m_compiler->metadata(_contract, _type));
else
{
cout << title << endl;
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cout << m_compiler->metadata(_contract, _type) << endl;
}
}
}
void CommandLineInterface::handleGasEstimation(string const& _contract)
{
using Gas = GasEstimator::GasConsumption;
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if (!m_compiler->assemblyItems(_contract) && !m_compiler->runtimeAssemblyItems(_contract))
return;
cout << "Gas estimation:" << endl;
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if (eth::AssemblyItems const* items = m_compiler->assemblyItems(_contract))
{
Gas gas = GasEstimator::functionalEstimation(*items);
u256 bytecodeSize(m_compiler->runtimeObject(_contract).bytecode.size());
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cout << "construction:" << endl;
cout << " " << gas << " + " << (bytecodeSize * eth::GasCosts::createDataGas) << " = ";
gas += bytecodeSize * eth::GasCosts::createDataGas;
cout << gas << endl;
}
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if (eth::AssemblyItems const* items = m_compiler->runtimeAssemblyItems(_contract))
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{
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ContractDefinition const& contract = m_compiler->contractDefinition(_contract);
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cout << "external:" << endl;
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for (auto it: contract.interfaceFunctions())
{
string sig = it.second->externalSignature();
GasEstimator::GasConsumption gas = GasEstimator::functionalEstimation(*items, sig);
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cout << " " << sig << ":\t" << gas << endl;
}
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if (contract.fallbackFunction())
{
GasEstimator::GasConsumption gas = GasEstimator::functionalEstimation(*items, "INVALID");
cout << " fallback:\t" << gas << endl;
}
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cout << "internal:" << endl;
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for (auto const& it: contract.definedFunctions())
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{
if (it->isPartOfExternalInterface() || it->isConstructor())
continue;
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size_t entry = m_compiler->functionEntryPoint(_contract, *it);
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GasEstimator::GasConsumption gas = GasEstimator::GasConsumption::infinite();
if (entry > 0)
gas = GasEstimator::functionalEstimation(*items, entry, *it);
FunctionType type(*it);
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cout << " " << it->name() << "(";
auto paramTypes = type.parameterTypes();
for (auto it = paramTypes.begin(); it != paramTypes.end(); ++it)
cout << (*it)->toString() << (it + 1 == paramTypes.end() ? "" : ",");
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cout << "):\t" << gas << endl;
}
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}
}
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void CommandLineInterface::handleFormal()
{
if (!m_args.count("formal"))
return;
if (m_args.count("output-dir"))
createFile("solidity.mlw", m_compiler->formalTranslation());
else
cout << "Formal version:" << endl << m_compiler->formalTranslation() << endl;
}
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void CommandLineInterface::readInputFilesAndConfigureRemappings()
{
if (!m_args.count("input-file"))
{
string s;
while (!cin.eof())
{
getline(cin, s);
m_sourceCodes[g_stdinFileName].append(s + '\n');
}
}
else
for (string const& infile: m_args["input-file"].as<vector<string>>())
{
auto eq = find(infile.begin(), infile.end(), '=');
if (eq != infile.end())
{
string target(eq + 1, infile.end());
m_remappings.push_back(make_pair(string(infile.begin(), eq), target));
m_allowedDirectories.push_back(boost::filesystem::path(target).remove_filename());
}
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else
{
auto path = boost::filesystem::path(infile);
if (!boost::filesystem::exists(path))
{
cerr << "Skipping non existant input file \"" << infile << "\"" << endl;
continue;
}
if (!boost::filesystem::is_regular_file(path))
{
cerr << "\"" << infile << "\" is not a valid file. Skipping" << endl;
continue;
}
m_sourceCodes[path.string()] = dev::contentsString(path.string());
m_allowedDirectories.push_back(boost::filesystem::canonical(path).remove_filename());
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}
}
// Add empty remapping to try the path itself.
m_remappings.push_back(make_pair(string(), string()));
}
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bool CommandLineInterface::parseLibraryOption(string const& _input)
{
namespace fs = boost::filesystem;
string data = fs::is_regular_file(_input) ? contentsString(_input) : _input;
vector<string> libraries;
boost::split(libraries, data, boost::is_space() || boost::is_any_of(","), boost::token_compress_on);
for (string const& lib: libraries)
if (!lib.empty())
{
auto colon = lib.find(':');
if (colon == string::npos)
{
cerr << "Colon separator missing in library address specifier \"" << lib << "\"" << endl;
return false;
}
string libName(lib.begin(), lib.begin() + colon);
string addrString(lib.begin() + colon + 1, lib.end());
boost::trim(libName);
boost::trim(addrString);
bytes binAddr = fromHex(addrString);
h160 address(binAddr, h160::AlignRight);
if (binAddr.size() > 20 || address == h160())
{
cerr << "Invalid address for library \"" << libName << "\": " << addrString << endl;
return false;
}
m_libraries[libName] = address;
}
return true;
}
void CommandLineInterface::createFile(string const& _fileName, string const& _data)
{
namespace fs = boost::filesystem;
// create directory if not existent
fs::path p(m_args.at("output-dir").as<string>());
fs::create_directories(p);
string pathName = (p / _fileName).string();
ofstream outFile(pathName);
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outFile << _data;
if (!outFile)
BOOST_THROW_EXCEPTION(FileError() << errinfo_comment("Could not write to file: " + pathName));
}
bool CommandLineInterface::parseArguments(int _argc, char** _argv)
{
// Declare the supported options.
po::options_description desc(
R"(solc, the Solidity commandline compiler.
Usage: solc [options] [input_file...]
Compiles the given Solidity input files (or the standard input if none given) and
outputs the components specified in the options at standard output or in files in
the output directory, if specified.
Example: solc --bin -o /tmp/solcoutput contract.sol
Allowed options)",
po::options_description::m_default_line_length,
po::options_description::m_default_line_length - 23);
desc.add_options()
("help", "Show help message and exit.")
("version", "Show version and exit.")
("optimize", "Enable bytecode optimizer.")
(
"optimize-runs",
po::value<unsigned>()->value_name("n")->default_value(200),
"Estimated number of contract runs for optimizer tuning."
)
(g_argAddStandard.c_str(), "Add standard contracts.")
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(
"libraries",
po::value<vector<string>>()->value_name("libs"),
"Direct string or file containing library addresses. Syntax: "
"<libraryName>: <address> [, or whitespace] ...\n"
"Address is interpreted as a hex string optionally prefixed by 0x."
)
(
"output-dir,o",
po::value<string>()->value_name("path"),
"If given, creates one file per component and contract/file at the specified directory."
)
(
"combined-json",
po::value<string>()->value_name(boost::join(g_combinedJsonArgs, ",")),
"Output a single json document containing the specified information."
)
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(g_argGas.c_str(), "Print an estimate of the maximal gas usage for each function.")
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(
"assemble",
"Switch to assembly mode, ignoring all options and assumes input is assembly."
)
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(
"link",
"Switch to linker mode, ignoring all options apart from --libraries "
"and modify binaries in place."
);
po::options_description outputComponents("Output Components");
outputComponents.add_options()
(g_argAstStr.c_str(), "AST of all source files.")
(g_argAstJson.c_str(), "AST of all source files in JSON format.")
(g_argAsmStr.c_str(), "EVM assembly of the contracts.")
(g_argAsmJsonStr.c_str(), "EVM assembly of the contracts in JSON format.")
(g_argOpcodesStr.c_str(), "Opcodes of the contracts.")
(g_argBinaryStr.c_str(), "Binary of the contracts in hex.")
(g_argRuntimeBinaryStr.c_str(), "Binary of the runtime part of the contracts in hex.")
(g_argCloneBinaryStr.c_str(), "Binary of the clone contracts in hex.")
(g_argAbiStr.c_str(), "ABI specification of the contracts.")
(g_argSolInterfaceStr.c_str(), "Solidity interface of the contracts.")
(g_argSignatureHashes.c_str(), "Function signature hashes of the contracts.")
(g_argNatspecUserStr.c_str(), "Natspec user documentation of all contracts.")
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(g_argNatspecDevStr.c_str(), "Natspec developer documentation of all contracts.")
("formal", "Translated source suitable for formal analysis.");
desc.add(outputComponents);
po::options_description allOptions = desc;
allOptions.add_options()("input-file", po::value<vector<string>>(), "input file");
// All positional options should be interpreted as input files
po::positional_options_description filesPositions;
filesPositions.add("input-file", -1);
// parse the compiler arguments
try
{
po::command_line_parser cmdLineParser(_argc, _argv);
cmdLineParser.options(allOptions).positional(filesPositions).allow_unregistered();
po::store(cmdLineParser.run(), m_args);
}
catch (po::error const& _exception)
{
cerr << _exception.what() << endl;
return false;
}
if (m_args.count("help") || (isatty(fileno(stdin)) && _argc == 1))
{
cout << desc;
return false;
}
if (m_args.count("version"))
{
version();
return false;
}
if (m_args.count("combined-json"))
{
vector<string> requests;
for (string const& item: boost::split(requests, m_args["combined-json"].as<string>(), boost::is_any_of(",")))
if (!g_combinedJsonArgs.count(item))
{
cerr << "Invalid option to --combined-json: " << item << endl;
return false;
}
}
po::notify(m_args);
return true;
}
bool CommandLineInterface::processInput()
{
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readInputFilesAndConfigureRemappings();
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if (m_args.count("libraries"))
for (string const& library: m_args["libraries"].as<vector<string>>())
if (!parseLibraryOption(library))
return false;
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if (m_args.count("assemble"))
{
// switch to assembly mode
m_onlyAssemble = true;
return assemble();
}
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if (m_args.count("link"))
{
// switch to linker mode
m_onlyLink = true;
return link();
}
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function<pair<string,string>(string const&)> fileReader = [this](string const& _path)
{
// Try to find the longest prefix match in all remappings. At the end, there will bean
// empty remapping so that we also try the path itself, but any file should be either
// in (a subdirectory of) the directory of an explicit source or a remapping target.
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int errorLevel = 0;
size_t longestPrefix = 0;
string bestMatchPath;
for (auto const& redir: m_remappings)
{
auto const& virt = redir.first;
if (longestPrefix > 0 && virt.length() <= longestPrefix)
continue;
if (virt.length() > _path.length() || !std::equal(virt.begin(), virt.end(), _path.begin()))
continue;
string path = redir.second;
path.append(_path.begin() + virt.length(), _path.end());
auto boostPath = boost::filesystem::path(path);
if (!boost::filesystem::exists(boostPath))
{
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errorLevel = max(errorLevel, 0);
continue;
}
boostPath = boost::filesystem::canonical(boostPath);
bool isAllowed = false;
for (auto const& dir: m_allowedDirectories)
{
// If dir is a prefix of boostPath, we are fine.
if (
std::distance(dir.begin(), dir.end()) <= std::distance(boostPath.begin(), boostPath.end()) &&
std::equal(dir.begin(), dir.end(), boostPath.begin())
)
{
isAllowed = true;
break;
}
}
if (!isAllowed)
errorLevel = max(errorLevel, 2);
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else if (!boost::filesystem::is_regular_file(boostPath))
errorLevel = max(errorLevel, 1);
else
{
longestPrefix = virt.length();
bestMatchPath = path;
}
}
if (!bestMatchPath.empty())
return make_pair(m_sourceCodes[bestMatchPath] = dev::contentsString(bestMatchPath), string());
if (errorLevel == 0)
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return make_pair(string(), string("File not found."));
else if (errorLevel == 1)
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return make_pair(string(), string("Not a valid file."));
else
return make_pair(string(), string("File outside of allowed directories."));
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};
m_compiler.reset(new CompilerStack(m_args.count(g_argAddStandard) > 0, fileReader));
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auto scannerFromSourceName = [&](string const& _sourceName) -> solidity::Scanner const& { return m_compiler->scanner(_sourceName); };
try
{
for (auto const& sourceCode: m_sourceCodes)
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m_compiler->addSource(sourceCode.first, sourceCode.second);
// TODO: Perhaps we should not compile unless requested
bool optimize = m_args.count("optimize") > 0;
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unsigned runs = m_args["optimize-runs"].as<unsigned>();
bool successful = m_compiler->compile(optimize, runs);
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if (successful)
m_compiler->link(m_libraries);
if (successful && m_args.count("formal"))
if (!m_compiler->prepareFormalAnalysis())
successful = false;
for (auto const& error: m_compiler->errors())
SourceReferenceFormatter::printExceptionInformation(
cerr,
*error,
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(error->type() == Error::Type::Warning) ? "Warning" : "Error",
scannerFromSourceName
);
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if (!successful)
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return false;
}
catch (CompilerError const& _exception)
{
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SourceReferenceFormatter::printExceptionInformation(cerr, _exception, "Compiler error", scannerFromSourceName);
return false;
}
catch (InternalCompilerError const& _exception)
{
cerr << "Internal compiler error during compilation:" << endl
<< boost::diagnostic_information(_exception);
return false;
}
catch (Error const& _error)
{
if (_error.type() == Error::Type::DocstringParsingError)
cerr << "Documentation parsing error: " << *boost::get_error_info<errinfo_comment>(_error) << endl;
else
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SourceReferenceFormatter::printExceptionInformation(cerr, _error, _error.typeName(), scannerFromSourceName);
return false;
}
catch (Exception const& _exception)
{
cerr << "Exception during compilation: " << boost::diagnostic_information(_exception) << endl;
return false;
}
catch (...)
{
cerr << "Unknown exception during compilation." << endl;
return false;
}
return true;
}
void CommandLineInterface::handleCombinedJSON()
{
if (!m_args.count("combined-json"))
return;
Json::Value output(Json::objectValue);
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output["version"] = ::dev::solidity::VersionString;
set<string> requests;
boost::split(requests, m_args["combined-json"].as<string>(), boost::is_any_of(","));
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vector<string> contracts = m_compiler->contractNames();
if (!contracts.empty())
output["contracts"] = Json::Value(Json::objectValue);
for (string const& contractName: contracts)
{
Json::Value contractData(Json::objectValue);
if (requests.count("interface"))
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contractData["interface"] = m_compiler->solidityInterface(contractName);
if (requests.count("abi"))
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contractData["abi"] = m_compiler->interface(contractName);
if (requests.count("bin"))
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contractData["bin"] = m_compiler->object(contractName).toHex();
if (requests.count("bin-runtime"))
contractData["bin-runtime"] = m_compiler->runtimeObject(contractName).toHex();
if (requests.count("clone-bin"))
contractData["clone-bin"] = m_compiler->cloneObject(contractName).toHex();
if (requests.count("opcodes"))
contractData["opcodes"] = solidity::disassemble(m_compiler->object(contractName).bytecode);
if (requests.count("asm"))
{
ostringstream unused;
contractData["asm"] = m_compiler->streamAssembly(unused, contractName, m_sourceCodes, true);
}
if (requests.count("devdoc"))
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contractData["devdoc"] = m_compiler->metadata(contractName, DocumentationType::NatspecDev);
if (requests.count("userdoc"))
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contractData["userdoc"] = m_compiler->metadata(contractName, DocumentationType::NatspecUser);
output["contracts"][contractName] = contractData;
}
if (requests.count("ast"))
{
output["sources"] = Json::Value(Json::objectValue);
for (auto const& sourceCode: m_sourceCodes)
{
ASTJsonConverter converter(m_compiler->ast(sourceCode.first));
output["sources"][sourceCode.first] = Json::Value(Json::objectValue);
output["sources"][sourceCode.first]["AST"] = converter.json();
}
}
cout << Json::FastWriter().write(output) << endl;
}
void CommandLineInterface::handleAst(string const& _argStr)
{
string title;
if (_argStr == g_argAstStr)
title = "Syntax trees:";
else if (_argStr == g_argAstJson)
title = "JSON AST:";
else
BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Illegal argStr for AST"));
// do we need AST output?
if (m_args.count(_argStr))
{
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vector<ASTNode const*> asts;
for (auto const& sourceCode: m_sourceCodes)
asts.push_back(&m_compiler->ast(sourceCode.first));
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map<ASTNode const*, eth::GasMeter::GasConsumption> gasCosts;
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if (m_compiler->runtimeAssemblyItems())
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gasCosts = GasEstimator::breakToStatementLevel(
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GasEstimator::structuralEstimation(*m_compiler->runtimeAssemblyItems(), asts),
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asts
);
if (m_args.count("output-dir"))
{
for (auto const& sourceCode: m_sourceCodes)
{
stringstream data;
string postfix = "";
if (_argStr == g_argAstStr)
{
ASTPrinter printer(m_compiler->ast(sourceCode.first), sourceCode.second);
printer.print(data);
}
else
{
ASTJsonConverter converter(m_compiler->ast(sourceCode.first));
converter.print(data);
postfix += "_json";
}
boost::filesystem::path path(sourceCode.first);
createFile(path.filename().string() + postfix + ".ast", data.str());
}
}
else
{
cout << title << endl << endl;
for (auto const& sourceCode: m_sourceCodes)
{
cout << endl << "======= " << sourceCode.first << " =======" << endl;
if (_argStr == g_argAstStr)
{
ASTPrinter printer(
m_compiler->ast(sourceCode.first),
sourceCode.second,
gasCosts
);
printer.print(cout);
}
else
{
ASTJsonConverter converter(m_compiler->ast(sourceCode.first));
converter.print(cout);
}
}
}
}
}
void CommandLineInterface::actOnInput()
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{
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if (m_onlyAssemble)
outputAssembly();
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else if (m_onlyLink)
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writeLinkedFiles();
else
outputCompilationResults();
}
bool CommandLineInterface::link()
{
for (auto& src: m_sourceCodes)
{
auto end = src.second.end();
for (auto it = src.second.begin(); it != end;)
{
while (it != end && *it != '_') ++it;
auto insertStart = it;
while (it != end && *it == '_') ++it;
auto nameStart = it;
while (it != end && *it != '_') ++it;
auto nameEnd = it;
while (it != end && *it == '_') ++it;
auto insertEnd = it;
if (insertStart == end)
break;
if (insertEnd - insertStart != 40)
{
cerr << "Error in binary object file " << src.first << " at position " << (insertStart - src.second.begin()) << endl;
return false;
}
string name(nameStart, nameEnd);
if (m_libraries.count(name))
{
string hexStr(toHex(m_libraries.at(name).asBytes()));
copy(hexStr.begin(), hexStr.end(), insertStart);
}
else
cerr << "Reference \"" << name << "\" in file \"" << src.first << "\" still unresolved." << endl;
}
}
return true;
}
void CommandLineInterface::writeLinkedFiles()
{
for (auto const& src: m_sourceCodes)
if (src.first == g_stdinFileName)
cout << src.second << endl;
else
writeFile(src.first, src.second);
}
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bool CommandLineInterface::assemble()
{
//@TODO later, we will use the convenience interface and should also remove the include above
bool successful = true;
map<string, shared_ptr<Scanner>> scanners;
for (auto const& src: m_sourceCodes)
{
auto scanner = make_shared<Scanner>(CharStream(src.second), src.first);
scanners[src.first] = scanner;
if (!m_assemblyStacks[src.first].parse(scanner))
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successful = false;
else
//@TODO we should not just throw away the result here
m_assemblyStacks[src.first].assemble();
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}
for (auto const& stack: m_assemblyStacks)
for (auto const& error: stack.second.errors())
SourceReferenceFormatter::printExceptionInformation(
cerr,
*error,
(error->type() == Error::Type::Warning) ? "Warning" : "Error",
[&](string const& _source) -> Scanner const& { return *scanners.at(_source); }
);
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return successful;
}
void CommandLineInterface::outputAssembly()
{
for (auto const& src: m_sourceCodes)
{
cout << endl << "======= " << src.first << " =======" << endl;
eth::Assembly assembly = m_assemblyStacks[src.first].assemble();
cout << assembly.assemble().toHex() << endl;
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assembly.stream(cout, "", m_sourceCodes);
}
}
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void CommandLineInterface::outputCompilationResults()
{
handleCombinedJSON();
// do we need AST output?
handleAst(g_argAstStr);
handleAst(g_argAstJson);
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vector<string> contracts = m_compiler->contractNames();
for (string const& contract: contracts)
{
if (needsHumanTargetedStdout(m_args))
cout << endl << "======= " << contract << " =======" << endl;
// do we need EVM assembly?
if (m_args.count(g_argAsmStr) || m_args.count(g_argAsmJsonStr))
{
if (m_args.count("output-dir"))
{
stringstream data;
m_compiler->streamAssembly(data, contract, m_sourceCodes, m_args.count(g_argAsmJsonStr));
createFile(contract + (m_args.count(g_argAsmJsonStr) ? "_evm.json" : ".evm"), data.str());
}
else
{
cout << "EVM assembly:" << endl;
m_compiler->streamAssembly(cout, contract, m_sourceCodes, m_args.count(g_argAsmJsonStr));
}
}
if (m_args.count(g_argGas))
handleGasEstimation(contract);
handleBytecode(contract);
handleSignatureHashes(contract);
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handleMeta(DocumentationType::ABIInterface, contract);
handleMeta(DocumentationType::ABISolidityInterface, contract);
handleMeta(DocumentationType::NatspecDev, contract);
handleMeta(DocumentationType::NatspecUser, contract);
} // end of contracts iteration
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handleFormal();
}
}
}