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85 lines
2.3 KiB
85 lines
2.3 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 JSConsole.cpp
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* @author Marek Kotewicz <marek@ethdev.com>
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* @date 2015
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* Ethereum client.
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*/
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#include <iostream>
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#include <libdevcore/Log.h>
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#include <libweb3jsonrpc/WebThreeStubServer.h>
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#include "JSConsole.h"
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#include "JSV8Connector.h"
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// TODO! make readline optional!
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#include <readline/readline.h>
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#include <readline/history.h>
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using namespace std;
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using namespace dev;
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using namespace dev::eth;
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JSConsole::JSConsole(WebThreeDirect& _web3, shared_ptr<AccountHolder> const& _accounts):
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m_engine(),
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m_printer(m_engine)
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{
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m_jsonrpcConnector.reset(new JSV8Connector(m_engine));
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m_jsonrpcServer.reset(new WebThreeStubServer(*m_jsonrpcConnector.get(), _web3, _accounts, vector<KeyPair>()));
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}
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JSConsole::~JSConsole() {}
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void JSConsole::repl() const
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{
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string cmd = "";
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g_logPost = [](std::string const& a, char const*) { cout << "\r \r" << a << endl << flush; rl_forced_update_display(); };
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bool isEmpty = true;
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int openBrackets = 0;
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do {
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char* buff = readline(promptForIndentionLevel(openBrackets).c_str());
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isEmpty = !(buff && *buff);
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if (!isEmpty)
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{
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cmd += string(buff);
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cmd += " ";
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free(buff);
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int open = count(cmd.begin(), cmd.end(), '{');
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open += count(cmd.begin(), cmd.end(), '(');
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int closed = count(cmd.begin(), cmd.end(), '}');
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closed += count(cmd.begin(), cmd.end(), ')');
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openBrackets = open - closed;
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}
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} while (openBrackets > 0);
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if (!isEmpty)
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{
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add_history(cmd.c_str());
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auto value = m_engine.eval(cmd.c_str());
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string result = m_printer.prettyPrint(value).cstr();
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cout << result << endl;
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}
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}
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std::string JSConsole::promptForIndentionLevel(int _i) const
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{
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if (_i == 0)
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return "> ";
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return string((_i + 1) * 2, ' ');
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}
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