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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/>.
*/
/** @file main.cpp
* @author Gav Wood <i@gavwood.com>
* @date 2014
* Ethereum client.
*/
#include <fstream>
#include <iostream>
#include <clocale>
#include <liblll/Compiler.h>
#include <libdevcore/CommonIO.h>
#include <libdevcore/CommonData.h>
#include <libevmasm/Instruction.h>
using namespace std;
using namespace dev;
using namespace dev::solidity;
using namespace dev::eth;
void help()
{
cout
<< "Usage lllc [OPTIONS] <file>" << endl
<< "Options:" << endl
<< " -b,--binary Parse, compile and assemble; output byte code in binary." << endl
<< " -x,--hex Parse, compile and assemble; output byte code in hex." << endl
<< " -a,--assembly Only parse and compile; show assembly." << endl
<< " -t,--parse-tree Only parse; show parse tree." << endl
<< " -h,--help Show this help message and exit." << endl
<< " -V,--version Show the version and exit." << endl;
exit(0);
}
void version()
{
cout << "LLLC, the Lovely Little Language Compiler " << endl;
cout << " By Gav Wood, (c) 2014." << endl;
exit(0);
}
void setEnv() {
std::setlocale(LC_ALL, "C");
#if !defined(WIN32) && !defined(MAC_OSX) && !defined(__FreeBSD__) && !defined(__OpenBSD__)
if (!std::setlocale(LC_ALL, "")) {
setenv("LC_ALL", "C", 1);
}
#endif
}
enum Mode { Binary, Hex, Assembly, ParseTree, Disassemble };
int main(int argc, char** argv)
{
setEnv();
unsigned optimise = 1;
string infile;
Mode mode = Hex;
for (int i = 1; i < argc; ++i)
{
string arg = argv[i];
if (arg == "-h" || arg == "--help")
help();
else if (arg == "-b" || arg == "--binary")
mode = Binary;
else if (arg == "-x" || arg == "--hex")
mode = Hex;
else if (arg == "-a" || arg == "--assembly")
mode = Assembly;
else if (arg == "-t" || arg == "--parse-tree")
mode = ParseTree;
else if ((arg == "-o" || arg == "--optimise") && argc > i + 1)
optimise = atoi(argv[++i]);
else if (arg == "-d" || arg == "--disassemble")
mode = Disassemble;
else if (arg == "-V" || arg == "--version")
version();
else
infile = argv[i];
}
string src;
if (infile.empty())
{
string s;
while (!cin.eof())
{
getline(cin, s);
src.append(s);
}
}
else
src = contentsString(infile);
vector<string> errors;
if (src.empty())
errors.push_back("Empty file.");
else if (mode == Disassemble)
{
cout << disassemble(fromHex(src)) << endl;
}
else if (mode == Binary || mode == Hex)
{
auto bs = compileLLL(src, optimise ? true : false, &errors);
if (mode == Hex)
cout << toHex(bs) << endl;
else if (mode == Binary)
cout.write((char const*)bs.data(), bs.size());
}
else if (mode == ParseTree)
cout << parseLLL(src) << endl;
else if (mode == Assembly)
cout << compileLLLToAsm(src, optimise ? true : false, &errors) << endl;
for (auto const& i: errors)
cerr << i << endl;
if ( errors.size() )
return 1;
return 0;
}
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