z3-src 416.0.2

Source distribution of the Z3 SMT solver, for use as a build dependency
Documentation 
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/*++
Copyright (c) 2012 Microsoft Corporation

Module Name:

    api_datalog.h

Abstract:
    Datalog API
    old external_relation_context_impl

Author:

    Leonardo de Moura (leonardo) 2012-02-29.

Revision History:

--*/
#pragma once

#include "api/z3.h"
#include "ast/ast.h"
#include "params/smt_params.h"
#include "smt/smt_kernel.h"
#include "api/api_util.h"

typedef void (*reduce_app_callback_fptr)(void*, func_decl*, unsigned, expr*const*, expr**);
typedef void (*reduce_assign_callback_fptr)(void*, func_decl*, unsigned, expr*const*, unsigned, expr*const*);

namespace api {
    class fixedpoint_context;
    class context;
};


struct Z3_fixedpoint_ref : public api::object {
    api::fixedpoint_context *   m_datalog;
    params_ref               m_params;
    Z3_fixedpoint_ref(api::context& c): api::object(c), m_datalog(nullptr) {}
    ~Z3_fixedpoint_ref() override { dealloc(m_datalog); }
};

inline Z3_fixedpoint_ref * to_fixedpoint(Z3_fixedpoint s) { return reinterpret_cast<Z3_fixedpoint_ref *>(s); }
inline Z3_fixedpoint of_datalog(Z3_fixedpoint_ref * s) { return reinterpret_cast<Z3_fixedpoint>(s); }
inline api::fixedpoint_context * to_fixedpoint_ref(Z3_fixedpoint s) { return to_fixedpoint(s)->m_datalog; }