85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
/* -*- C++ -*-
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* Serene Programming Language
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*
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* Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
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*
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* This program 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, version 2.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "serene/serene.h"
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#include <linenoise.h>
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#include <llvm/Support/CommandLine.h>
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#include <llvm/Support/raw_ostream.h>
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using namespace serene;
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namespace cl = llvm::cl;
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static std::string banner =
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llvm::formatv("\nSerene Compiler Version {0}"
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"\nCopyright (C) 2019-2021 "
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"Sameer Rahmani <lxsameer@gnu.org>\n"
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"Serene comes with ABSOLUTELY NO WARRANTY;\n"
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"This is free software, and you are welcome\n"
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"to redistribute it under certain conditions; \n"
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"for details take a look at the LICENSE file.\n",
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SERENE_VERSION);
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static std::string art = "\n";
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static cl::opt<std::string>
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historyFile("h", cl::desc("The absolute path to the history file to use."),
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cl::value_desc("filename"), cl::init("~/.serene-repl.history"));
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int main(int argc, char *argv[]) {
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initCompiler();
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registerSereneCLOptions();
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cl::ParseCommandLineOptions(argc, argv, banner);
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llvm::outs() << banner << art;
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auto ctx = makeSereneContext();
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auto userNS = makeNamespace(*ctx, "user", llvm::None);
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applySereneCLOptions(*ctx);
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// Enable the multi-line mode
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linenoise::SetMultiLine(true);
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// Set max length of the history
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linenoise::SetHistoryMaxLen(4);
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// Load history
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linenoise::LoadHistory(historyFile.c_str());
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while (true) {
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// Read line
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std::string line;
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auto quit = linenoise::Readline("user> ", line);
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if (quit) {
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break;
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}
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llvm::outs() << "echo: '" << line << "'"
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<< "\n";
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// Add text to history
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linenoise::AddHistory(line.c_str());
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}
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// Save history
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linenoise::SaveHistory(historyFile.c_str());
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}
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