51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
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/*
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Copyright (c) 2015 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 "library/replace_visitor.h"
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#include "library/blast/blast.h"
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#include "library/blast/proof_expr.h"
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namespace lean {
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namespace blast {
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expr to_proof_expr(expr const & e) {
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return e;
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}
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struct unfold_hypotheses_ge_fn : public replace_visitor {
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state const & m_state;
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unsigned m_depth;
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unfold_hypotheses_ge_fn(state const & s, unsigned d):
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m_state(s), m_depth(d) {}
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virtual expr visit_local(expr const & e) {
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if (is_href(e)) {
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hypothesis const * h = m_state.get_hypothesis_decl(e);
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if (h->get_proof_depth() >= m_depth && h->get_value()) {
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return visit(*h->get_value());
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}
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}
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return replace_visitor::visit_local(e);
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}
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};
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expr unfold_hypotheses_ge(state const & s, expr const & pr, unsigned d) {
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return unfold_hypotheses_ge_fn(s, d)(pr);
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}
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expr mk_proof_lambda(state const & s, list<expr> const & hs, expr const & pr) {
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return s.mk_lambda(hs, pr);
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}
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expr mk_proof_app(name const & fname, unsigned nargs, expr const * args) {
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return get_app_builder().mk_app(fname, nargs, args);
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}
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expr mk_proof_app(expr const & f, unsigned nargs, expr const * args) {
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return mk_app(f, nargs, args);
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}
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}}
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