8ab775bd6f
Now, we use throwable as the new base class for all Lean exceptions, and exception is the subclass for "logical" exceptions.
27 lines
938 B
C++
27 lines
938 B
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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#pragma once
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#include "util/exception.h"
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#include "util/sstream.h"
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#include "kernel/expr.h"
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namespace lean {
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/**
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\brief Auxiliary exception used to sign that an expression still contains unsolved metavariables after
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elaboration, solving, etc.
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*/
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class unsolved_metavar_exception : public exception {
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expr m_expr;
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public:
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unsolved_metavar_exception(char const * msg, expr const & e):exception(msg), m_expr(e) {}
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unsolved_metavar_exception(sstream const & strm, expr const & e):exception(strm), m_expr(e) {}
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virtual ~unsolved_metavar_exception() {}
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expr get_expr() const { return m_expr; }
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virtual throwable * clone() const { return new unsolved_metavar_exception(m_msg.c_str(), m_expr); }
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virtual void rethrow() const { throw *this; }
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};
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}
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