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https://github.com/Z3Prover/z3
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121 lines
2.4 KiB
C++
121 lines
2.4 KiB
C++
/*++
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Copyright (c) 2011 Microsoft Corporation
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Module Name:
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seq_decl_plugin.h
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Abstract:
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<abstract>
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Author:
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Nikolaj Bjorner (nbjorner) 2011-14-11
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Revision History:
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--*/
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#ifndef _SEQ_DECL_PLUGIN_H_
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#define _SEQ_DECL_PLUGIN_H_
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#include "ast.h"
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enum seq_sort_kind {
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SEQ_SORT,
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RE_SORT
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};
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enum seq_op_kind {
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OP_SEQ_UNIT,
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OP_SEQ_EMPTY,
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OP_SEQ_CONCAT,
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OP_SEQ_CONS,
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OP_SEQ_REV_CONS,
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OP_SEQ_HEAD,
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OP_SEQ_TAIL,
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OP_SEQ_LAST,
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OP_SEQ_FIRST,
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OP_SEQ_PREFIX_OF,
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OP_SEQ_SUFFIX_OF,
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OP_SEQ_SUBSEQ_OF,
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OP_SEQ_EXTRACT,
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OP_SEQ_NTH,
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OP_SEQ_LENGTH,
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OP_RE_PLUS,
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OP_RE_STAR,
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OP_RE_OPTION,
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OP_RE_RANGE,
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OP_RE_CONCAT,
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OP_RE_UNION,
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OP_RE_INTERSECT,
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OP_RE_COMPLEMENT,
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OP_RE_DIFFERENCE,
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OP_RE_LOOP,
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OP_RE_EMPTY_SET,
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OP_RE_FULL_SET,
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OP_RE_EMPTY_SEQ,
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OP_RE_OF_SEQ,
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OP_RE_OF_PRED,
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OP_RE_MEMBER,
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LAST_SEQ_OP
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};
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class seq_decl_plugin : public decl_plugin {
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struct psig {
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symbol m_name;
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unsigned m_num_params;
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sort_ref_vector m_dom;
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sort_ref m_range;
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psig(ast_manager& m, char const* name, unsigned n, unsigned dsz, sort* const* dom, sort* rng):
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m_name(name),
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m_num_params(n),
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m_dom(m),
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m_range(rng, m)
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{
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m_dom.append(dsz, dom);
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}
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};
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ptr_vector<psig> m_sigs;
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bool m_init;
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void match(psig& sig, unsigned dsz, sort* const* dom, sort* range, sort_ref& rng);
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bool match(ptr_vector<sort>& binding, sort* s, sort* sP);
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sort* apply_binding(ptr_vector<sort> const& binding, sort* s);
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bool is_sort_param(sort* s, unsigned& idx);
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void init();
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public:
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seq_decl_plugin();
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virtual ~seq_decl_plugin() {}
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virtual void finalize();
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virtual decl_plugin * mk_fresh() { return alloc(seq_decl_plugin); }
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virtual sort * mk_sort(decl_kind k, unsigned num_parameters, parameter const * parameters);
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virtual func_decl * mk_func_decl(decl_kind k, unsigned num_parameters, parameter const * parameters,
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unsigned arity, sort * const * domain, sort * range);
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virtual void get_op_names(svector<builtin_name> & op_names, symbol const & logic);
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virtual void get_sort_names(svector<builtin_name> & sort_names, symbol const & logic);
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virtual bool is_value(app* e) const;
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};
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#endif /* _SEQ_DECL_PLUGIN_H_ */
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