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https://github.com/Z3Prover/z3
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51 lines
988 B
C++
51 lines
988 B
C++
/*++
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Copyright (c) 2012 Microsoft Corporation
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Module Name:
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dl_mk_unfold.h
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Abstract:
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Unfold rules once, return the unfolded set of rules.
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Author:
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Nikolaj Bjorner (nbjorner) 2012-10-15
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Revision History:
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--*/
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#pragma once
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#include "muz/base/dl_context.h"
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#include "muz/base/dl_rule_set.h"
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#include "util/uint_set.h"
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#include "muz/base/dl_rule_transformer.h"
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#include "muz/transforms/dl_mk_rule_inliner.h"
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namespace datalog {
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/**
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\brief Implements an unfolding transformation.
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*/
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class mk_unfold : public rule_transformer::plugin {
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context& m_ctx;
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ast_manager& m;
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rule_manager& rm;
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rule_unifier m_unify;
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void expand_tail(rule& r, unsigned tail_idx, rule_set const& src, rule_set& dst);
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public:
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/**
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\brief Create unfold rule transformer.
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*/
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mk_unfold(context & ctx);
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rule_set * operator()(rule_set const & source) override;
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};
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};
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