67 lines
2.8 KiB
C++
67 lines
2.8 KiB
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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#include <vector>
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#include <string>
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#include "util/sstream.h"
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#include "kernel/kernel_exception.h"
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namespace lean {
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format kernel_exception::pp(formatter const &, options const &) const { return format(what()); }
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class generic_kernel_exception : public kernel_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_kernel_exception(ro_environment const & env, char const * msg, optional<expr> const & m, pp_fn const & fn):
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kernel_exception(env, msg),
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m_main_expr(m),
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m_pp_fn(fn) {}
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virtual ~generic_kernel_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, options const & opts) const { return m_pp_fn(fmt, opts); }
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virtual exception * clone() const { return new generic_kernel_exception(m_env, 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_kernel_exception(ro_environment const & env, char const * msg, optional<expr> const & m) {
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std::string msg_str = msg;
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throw generic_kernel_exception(env, msg, m, [=](formatter const &, options const &) { return format(msg); });
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}
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[[ noreturn ]] void throw_kernel_exception(ro_environment const & env, sstream const & strm, optional<expr> const & m) {
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throw_kernel_exception(env, strm.str().c_str(), m);
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}
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[[ noreturn ]] void throw_kernel_exception(ro_environment const & env, char const * msg, optional<expr> const & m, pp_fn const & fn) {
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throw generic_kernel_exception(env, msg, m, fn);
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}
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[[ noreturn ]] void throw_kernel_exception(ro_environment const & env, optional<expr> const & m, pp_fn const & fn) {
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throw generic_kernel_exception(env, "kernel exception", m, fn);
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}
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[[ noreturn ]] void throw_kernel_exception(ro_environment const & env, char const * msg, expr const & m, pp_fn const & fn) {
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throw_kernel_exception(env, msg, some_expr(m), fn);
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}
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[[ noreturn ]] void throw_kernel_exception(ro_environment const & env, expr const & m, pp_fn const & fn) {
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throw_kernel_exception(env, some_expr(m), fn);
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}
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[[ noreturn ]] void throw_unknown_object(ro_environment const & env, name const & n) {
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throw_kernel_exception(env, sstream() << "unknown object '" << n << "'");
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}
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[[ noreturn ]] void throw_already_declared(ro_environment const & env, name const & n) {
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throw_kernel_exception(env, sstream() << "invalid object declaration, environment already has an object named '" << n << "'");
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}
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[[ noreturn ]] void throw_read_only_environment(ro_environment const & env) {
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throw_kernel_exception(env, "environment cannot be updated because it has children environments");
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}
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}
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