lean2/src/exprlib/formatter.cpp

35 lines
1,013 B
C++
Raw Normal View History

/*
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 <sstream>
#include "formatter.h"
#include "printer.h"
namespace lean {
class simple_formatter : public formatter {
public:
virtual format operator()(expr const & e) {
std::ostringstream s; s << e; return format(s.str());
}
virtual format operator()(context const & c) {
std::ostringstream s; s << c; return format(s.str());
}
virtual format operator()(context const & c, expr const & e, bool format_ctx) {
std::ostringstream s;
if (format_ctx)
s << c << "|-\n";
s << mk_pair(e,c);
return format(s.str());
}
virtual format operator()(environment const & env) {
std::ostringstream s; s << env; return format(s.str());
}
};
std::shared_ptr<formatter> mk_simple_formatter() {
return std::shared_ptr<formatter>(new simple_formatter());
}
}