/*++
Copyright (c) 2012 Microsoft Corporation

Module Name:

    api_tactic.h

Abstract:
    API for creating tactics and goals.
    
Author:

    Leonardo de Moura (leonardo) 2012-03-06.

Revision History:

--*/
#pragma once

#include "api/api_goal.h"
#include "tactic/tactical.h"
#include "ast/simplifiers/dependent_expr_state.h"

namespace api {
    class context;
}


struct Z3_tactic_ref : public api::object {
    tactic_ref   m_tactic;
    Z3_tactic_ref(api::context& c): api::object(c) {}
};

struct Z3_probe_ref : public api::object {
    probe_ref    m_probe;
    Z3_probe_ref(api::context& c):api::object(c) {}
};

struct Z3_simplifier_ref : public api::object {
    simplifier_factory m_simplifier;
    Z3_simplifier_ref(api::context& c):api::object(c) {}
};

inline Z3_tactic_ref * to_tactic(Z3_tactic g) { return reinterpret_cast<Z3_tactic_ref *>(g); }
inline Z3_tactic of_tactic(Z3_tactic_ref * g) { return reinterpret_cast<Z3_tactic>(g); }
inline tactic * to_tactic_ref(Z3_tactic g) { return g == nullptr ? nullptr : to_tactic(g)->m_tactic.get(); }

inline Z3_simplifier_ref * to_simplifier(Z3_simplifier g) { return reinterpret_cast<Z3_simplifier_ref *>(g); }
inline Z3_simplifier of_simplifier(Z3_simplifier_ref * g) { return reinterpret_cast<Z3_simplifier>(g); }
inline simplifier_factory * to_simplifier_ref(Z3_simplifier g) { return g == nullptr ? nullptr : &to_simplifier(g)->m_simplifier; }

inline Z3_probe_ref * to_probe(Z3_probe g) { return reinterpret_cast<Z3_probe_ref *>(g); }
inline Z3_probe of_probe(Z3_probe_ref * g) { return reinterpret_cast<Z3_probe>(g); }
inline probe * to_probe_ref(Z3_probe g) { return g == nullptr ? nullptr : to_probe(g)->m_probe.get(); }

struct Z3_apply_result_ref : public api::object {
    goal_ref_buffer      m_subgoals;
    model_converter_ref  m_mc;
    proof_converter_ref  m_pc;
    Z3_apply_result_ref(api::context& c, ast_manager & m);
};

inline Z3_apply_result_ref * to_apply_result(Z3_apply_result g) { return reinterpret_cast<Z3_apply_result_ref *>(g); }
inline Z3_apply_result of_apply_result(Z3_apply_result_ref * g) { return reinterpret_cast<Z3_apply_result>(g); }