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78 lines
1.7 KiB
C++
78 lines
1.7 KiB
C++
/*++
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Copyright (c) 2012 Microsoft Corporation
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Module Name:
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dl_mk_array_blast.h
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Abstract:
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Remove array variables from rules.
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Author:
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Nikolaj Bjorner (nbjorner) 2012-11-23
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Revision History:
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--*/
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#ifndef _DL_MK_ARRAY_BLAST_H_
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#define _DL_MK_ARRAY_BLAST_H_
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#include"dl_context.h"
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#include"dl_rule_set.h"
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#include"dl_rule_transformer.h"
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#include"dl_mk_interp_tail_simplifier.h"
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#include "equiv_proof_converter.h"
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#include "array_decl_plugin.h"
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#include "expr_safe_replace.h"
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namespace datalog {
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/**
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\brief Blast occurrences of arrays in rules
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*/
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class mk_array_blast : public rule_transformer::plugin {
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typedef obj_map<app, var*> defs_t;
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context& m_ctx;
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ast_manager& m;
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array_util a;
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rule_manager& rm;
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params_ref m_params;
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th_rewriter m_rewriter;
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mk_interp_tail_simplifier m_simplifier;
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defs_t m_defs;
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unsigned m_next_var;
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bool blast(rule& r, rule_set& new_rules);
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bool is_store_def(expr* e, expr*& x, expr*& y);
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bool ackermanize(rule const& r, expr_ref& body, expr_ref& head);
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expr* get_select(expr* e) const;
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void get_select_args(expr* e, ptr_vector<expr>& args) const;
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bool insert_def(rule const& r, app* e, var* v);
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bool is_select_eq_var(expr* e, app*& s, var*& v) const;
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public:
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/**
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\brief Create rule transformer that removes array stores and selects by ackermannization.
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*/
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mk_array_blast(context & ctx, unsigned priority);
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virtual ~mk_array_blast();
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rule_set * operator()(rule_set const & source);
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};
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};
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#endif /* _DL_MK_ARRAY_BLAST_H_ */
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