source: src/ResolvExpr/ResolvMode.h@ 640b3df

//
// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// ResolvMode.h --
//
// Author           : Aaron B. Moss
// Created On       : Mon Jun 11 13:28:00 2018
// Last Modified By : Aaron B. Moss
// Last Modified On : Fri Oct 05 13:46:00 2018
// Update Count     : 2
//

#pragma once

namespace ResolvExpr {
        /// Flag set for resolution
        struct ResolvMode {
                const bool adjust;                       ///< Adjust array and function types to pointer types? [false]
                const bool prune;            ///< Prune alternatives to min-cost per return type? [true]
                const bool failFast;         ///< Fail on no resulting alternatives? [true]

                constexpr ResolvMode(bool a, bool p, bool ff) 
                : adjust(a), prune(p), failFast(ff) {}

                /// Default settings
                constexpr ResolvMode() : adjust(false), prune(true), failFast(true) {}
                
                /// With adjust flag set; turns array and function types into equivalent pointers
                static constexpr ResolvMode withAdjustment() { return { true, true, true }; }

                /// With adjust flag set but prune unset; pruning ensures there is at least one alternative 
                /// per result type
                static constexpr ResolvMode withoutPrune() { return { true, false, true }; }

                /// With adjust and prune flags set but failFast unset; failFast ensures there is at least 
                /// one resulting alternative
                static constexpr ResolvMode withoutFailFast() { return { true, true, false }; }

                /// The same mode, but with satisfyAssns turned on; for top-level calls
                ResolvMode atTopLevel() const { return { adjust, true, failFast }; }
        };
} // namespace ResolvExpr

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