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53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
/*++
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Copyright (c) 2022 Microsoft Corporation
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Module Name:
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pull_nested_quantifiers.h
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Abstract:
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pull nested quantifiers
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Author:
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Nikolaj Bjorner (nbjorner) 2022-11-24
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--*/
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#pragma once
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#include "ast/simplifiers/dependent_expr_state.h"
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#include "ast/normal_forms/pull_quant.h"
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class pull_nested_quantifiers_simplifier : public dependent_expr_simplifier {
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pull_nested_quant m_pull;
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public:
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pull_nested_quantifiers_simplifier(ast_manager& m, params_ref const& p, dependent_expr_state& fmls):
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dependent_expr_simplifier(m, fmls),
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m_pull(m) {
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}
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char const* name() const override { return "pull-nested-quantifiers"; }
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void reduce() override {
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if (!m_fmls.has_quantifiers())
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return;
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expr_ref new_curr(m);
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proof_ref new_pr(m);
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for (unsigned idx : indices()) {
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auto d = m_fmls[idx];
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m_pull(d.fml(), new_curr, new_pr);
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m_fmls.update(idx, dependent_expr(m, new_curr, mp(d.pr(), new_pr), d.dep()));
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}
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}
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bool supports_proofs() const override { return true; }
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};
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/*
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ADD_SIMPLIFIER("pull-nested-quantifiers", "pull nested quantifiers to top-level.", "alloc(pull_nested_quantifiers_simplifier, m, p, s)")
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*/
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