46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
/*
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Copyright (c) 2013 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#include <iostream>
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#include <fstream>
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#include <signal.h>
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#include "util/interruptable_ptr.h"
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#include "library/printer.h"
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#include "frontends/lean/lean_parser.h"
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#include "version.h"
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using namespace lean;
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static interruptable_ptr<shell> g_lean_shell;
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static void on_ctrl_c(int) {
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g_lean_shell.set_interrupt(true);
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}
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bool lean_shell() {
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std::cout << "Lean (version " << LEAN_VERSION_MAJOR << "." << LEAN_VERSION_MINOR << ")\n";
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std::cout << "Type Ctrl-D to exit or 'Help.' for help."<< std::endl;
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frontend f;
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shell sh(f);
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scoped_set_interruptable_ptr<shell> set(g_lean_shell, &sh);
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signal(SIGINT, on_ctrl_c);
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return sh();
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}
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int main(int argc, char ** argv) {
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if (argc == 1) {
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return lean_shell() ? 0 : 1;
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} else {
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bool ok = true;
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frontend f;
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for (int i = 1; i < argc; i++) {
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std::ifstream in(argv[i]);
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parser p(f, in, false, false);
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if (!p())
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ok = false;
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}
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return ok ? 0 : 1;
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}
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}
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