lean2/src/shell/lean.cpp

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#include <iostream>
#include <fstream>
#include "version.h"
#include "parser.h"
#include "printer.h"
using namespace lean;
int main(int argc, char ** argv) {
std::cout << "Lean (version " << LEAN_VERSION_MAJOR << "." << LEAN_VERSION_MINOR << ")\n";
frontend f;
if (argc == 1) {
return parse_commands(f, std::cin) ? 0 : 1;
} else {
bool ok = true;
for (int i = 1; i < argc; i++) {
std::ifstream in(argv[i]);
if (!parse_commands(f, in))
ok = false;
}
return ok ? 0 : 1;
}
}