40 lines
1 KiB
C
40 lines
1 KiB
C
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/*
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Copyright (c) 2015 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#pragma once
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#include "library/blast/action_result.h"
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#include "library/blast/options.h"
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namespace lean {
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namespace blast {
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/** Generic strategy for synthesizing proofs using the blast framework.
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There are two main configuration options:
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1- Preprocessing (preprocess method)
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2- Next action to be performed (next_action method)
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*/
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class strategy {
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config m_config;
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unsigned m_init_num_choices;
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optional<expr> invoke_preprocess();
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protected:
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virtual optional<expr> preprocess() = 0;
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virtual action_result next_action() = 0;
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void display_msg(char const * msg);
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void display_action(char const * name);
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void display();
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void display_if(action_result r);
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action_result next_branch(expr pr);
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optional<expr> search_upto(unsigned depth);
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optional<expr> search();
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public:
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strategy();
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optional<expr> operator()() { return search(); }
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};
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}}
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