8ab775bd6f
Now, we use throwable as the new base class for all Lean exceptions, and exception is the subclass for "logical" exceptions.
38 lines
1.7 KiB
C++
38 lines
1.7 KiB
C++
/*
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Copyright (c) 2014 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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#pragma once
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#include <string>
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#include "util/sstream.h"
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#include "kernel/expr.h"
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#include "kernel/formatter.h"
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namespace lean {
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class generic_exception : public exception {
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protected:
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optional<expr> m_main_expr;
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pp_fn m_pp_fn;
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public:
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generic_exception(char const * msg, optional<expr> const & m, pp_fn const & fn):
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exception(msg), m_main_expr(m), m_pp_fn(fn) {}
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generic_exception(optional<expr> const & m, pp_fn const & fn):
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exception(), m_main_expr(m), m_pp_fn(fn) {}
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virtual ~generic_exception() noexcept {}
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virtual optional<expr> get_main_expr() const { return m_main_expr; }
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virtual format pp(formatter const & fmt) const { return m_pp_fn(fmt); }
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virtual throwable * clone() const { return new generic_exception(m_msg.c_str(), m_main_expr, m_pp_fn); }
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virtual void rethrow() const { throw *this; }
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};
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[[ noreturn ]] void throw_generic_exception(char const * msg, optional<expr> const & m);
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[[ noreturn ]] void throw_generic_exception(sstream const & strm, optional<expr> const & m);
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[[ noreturn ]] void throw_generic_exception(char const * msg, expr const & m);
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[[ noreturn ]] void throw_generic_exception(sstream const & strm, expr const & m);
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[[ noreturn ]] void throw_generic_exception(char const * msg, optional<expr> const & m, pp_fn const & fn);
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[[ noreturn ]] void throw_generic_exception(char const * msg, expr const & m, pp_fn const & fn);
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[[ noreturn ]] void throw_generic_exception(optional<expr> const & m, pp_fn const & fn);
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[[ noreturn ]] void throw_generic_exception(expr const & m, pp_fn const & fn);
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}
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