lean2/src/shell/lean.cpp
Leonardo de Moura 26097475fd Use fullpath in #include directives.
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-09-12 20:04:10 -07:00

46 lines
1.2 KiB
C++

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