59 lines
2.1 KiB
C++
59 lines
2.1 KiB
C++
/*
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Copyright (c) 2017 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 "kernel/type_checker.h"
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#include "library/module.h"
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#include "library/trace.h"
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#include "library/annotation.h"
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#include "library/util.h"
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#include "library/constants.h"
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#include "library/vm/vm_list.h"
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#include "library/compiler/vm_compiler.h"
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#include "library/tactic/smt/smt_state.h"
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#include "library/tactic/elaborator_exception.h"
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#include "frontends/lean/tactic_evaluator.h"
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#include "frontends/lean/tactic_notation.h"
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namespace lean {
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elaborator_exception unsolved_tactic_state(tactic_state const & ts, format const & fmt, expr const & ref) {
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format msg = fmt + line() + format("state:") + line() + ts.pp();
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return elaborator_exception(ref, msg);
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}
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elaborator_exception unsolved_tactic_state(tactic_state const & ts, char const * msg, expr const & ref) {
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return unsolved_tactic_state(ts, format(msg), ref);
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}
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[[noreturn]] void throw_unsolved_tactic_state(tactic_state const & ts, format const & fmt, expr const & ref) {
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throw unsolved_tactic_state(ts, fmt, ref);
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}
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[[noreturn]] void throw_unsolved_tactic_state(tactic_state const & ts, char const * msg, expr const & ref) {
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throw_unsolved_tactic_state(ts, format(msg), ref);
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}
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void tactic_evaluator::process_failure(vm_state & S, vm_obj const & r) {
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if (optional<tactic::exception_info> ex = tactic::is_exception(S, r)) {
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format fmt = std::get<0>(*ex);
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optional<pos_info> pos = std::get<1>(*ex);
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tactic_state s1 = std::get<2>(*ex);
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if (pos)
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throw elaborator_exception(pos, fmt);
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else
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throw_unsolved_tactic_state(s1, fmt, m_ref);
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}
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/* Do nothing if it is a silent failure */
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lean_assert(tactic::is_silent_exception(r));
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}
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vm_obj tactic_evaluator::operator()(expr const & tactic, tactic_state const & s) {
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vm_obj r = tactic::evaluator::operator()(tactic, s);
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if (auto s = tactic::is_success(r))
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if (s->goals())
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throw_unsolved_tactic_state(*s, "tactic failed, there are unsolved goals", m_ref);
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return r;
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}
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}
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