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56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
/*++
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Copyright (c) 2006 Microsoft Corporation
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Module Name:
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smt_case_split_queue.h
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Abstract:
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<abstract>
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Author:
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Leonardo de Moura (leonardo) 2009-01-20.
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Revision History:
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--*/
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#ifndef _SMT_CASE_SPLIT_QUEUE_H_
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#define _SMT_CASE_SPLIT_QUEUE_H_
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#include"smt_types.h"
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#include"heap.h"
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#include"smt_params.h"
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namespace smt {
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class context;
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/**
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\brief Abstract case split queue.
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*/
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class case_split_queue {
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public:
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virtual void activity_increased_eh(bool_var v) = 0;
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virtual void mk_var_eh(bool_var v) = 0;
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virtual void del_var_eh(bool_var v) = 0;
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virtual void assign_lit_eh(literal l) {}
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virtual void unassign_var_eh(bool_var v) = 0;
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virtual void relevant_eh(expr * n) = 0;
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virtual void init_search_eh() = 0;
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virtual void end_search_eh() = 0;
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virtual void internalize_instance_eh(expr * e, unsigned gen) {}
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virtual void reset() = 0;
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virtual void push_scope() = 0;
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virtual void pop_scope(unsigned num_scopes) = 0;
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virtual void next_case_split(bool_var & next, lbool & phase) = 0;
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virtual void display(std::ostream & out) = 0;
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virtual ~case_split_queue() {}
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};
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case_split_queue * mk_case_split_queue(context & ctx, front_end_params & p);
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};
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#endif /* _SMT_CASE_SPLIT_QUEUE_H_ */
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