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123 lines
3.3 KiB
123 lines
3.3 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file main.cpp
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* @author Gav Wood <i@gavwood.com>
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* @date 2014
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* Ethereum client.
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*/
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#include <fstream>
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#include <iostream>
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#include <liblll/Compiler.h>
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#include <libethential/CommonIO.h>
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#include <libethential/CommonData.h>
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#include <libevmface/Instruction.h>
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#include "BuildInfo.h"
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using namespace std;
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using namespace eth;
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void help()
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{
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cout
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<< "Usage lllc [OPTIONS] <file>" << endl
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<< "Options:" << endl
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<< " -b,--binary Parse, compile and assemble; output byte code in binary." << endl
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<< " -x,--hex Parse, compile and assemble; output byte code in hex." << endl
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<< " -a,--assembly Only parse and compile; show assembly." << endl
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<< " -t,--parse-tree Only parse; show parse tree." << endl
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<< " -h,--help Show this help message and exit." << endl
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<< " -V,--version Show the version and exit." << endl;
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exit(0);
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}
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void version()
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{
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cout << "LLLC, the Lovely Little Language Compiler " << eth::EthVersion << endl;
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cout << " By Gav Wood, (c) 2014." << endl;
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cout << "Build: " << ETH_QUOTED(ETH_BUILD_PLATFORM) << "/" << ETH_QUOTED(ETH_BUILD_TYPE) << endl;
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exit(0);
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}
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enum Mode { Binary, Hex, Assembly, ParseTree, Disassemble };
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int main(int argc, char** argv)
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{
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unsigned optimise = 1;
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string infile;
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Mode mode = Hex;
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for (int i = 1; i < argc; ++i)
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{
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string arg = argv[i];
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if (arg == "-h" || arg == "--help")
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help();
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else if (arg == "-b" || arg == "--binary")
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mode = Binary;
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else if (arg == "-x" || arg == "--hex")
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mode = Hex;
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else if (arg == "-a" || arg == "--assembly")
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mode = Assembly;
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else if (arg == "-t" || arg == "--parse-tree")
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mode = ParseTree;
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else if ((arg == "-o" || arg == "--optimise") && argc > i + 1)
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optimise = atoi(argv[++i]);
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else if (arg == "-d" || arg == "--disassemble")
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mode = Disassemble;
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else if (arg == "-V" || arg == "--version")
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version();
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else
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infile = argv[i];
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}
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string src;
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if (infile.empty())
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{
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string s;
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while (!cin.eof())
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{
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getline(cin, s);
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src.append(s);
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}
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}
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else
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src = asString(contents(infile));
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vector<string> errors;
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if (src.empty())
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errors.push_back("Empty file.");
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else if (mode == Disassemble)
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{
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cout << disassemble(fromHex(src)) << endl;
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}
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else if (mode == Binary || mode == Hex)
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{
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auto bs = compileLLL(src, optimise ? true : false, &errors);
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if (mode == Hex)
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cout << toHex(bs) << endl;
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else if (mode == Binary)
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cout.write((char const*)bs.data(), bs.size());
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}
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else if (mode == ParseTree)
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cout << parseLLL(src) << endl;
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else if (mode == Assembly)
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cout << compileLLLToAsm(src, optimise ? true : false, &errors) << endl;
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for (auto const& i: errors)
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cerr << i << endl;
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if ( errors.size() )
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return 1;
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return 0;
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}
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