source: src/AST/LinkageSpec.hpp @ 2bb4a01

//
// 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.
//
// LinkageSpec.hpp --
//
// Author           : Aaron B. Moss
// Created On       : Thu May 9 10:00:00 2019
// Last Modified By : Aaron B. Moss
// Last Modified On : Thu May 9 10:00:00 2019
// Update Count     : 1
//

#pragma once

#include <string>

#include "Bitfield.hpp"
#include "Common/CodeLocation.h"

namespace ast {

        namespace Linkage {

                /// Bitflags for linkage specifiers
                enum {
                        Mangle       = 1 << 0,
                        Generate     = 1 << 1,
                        Overrideable = 1 << 2,
                        Builtin      = 1 << 3,
                        GccBuiltin   = 1 << 4
                };

                /// Bitflag type for storage classes
                union Spec {
                        unsigned int val;
                        struct {
                                bool is_mangled      : 1;
                                bool is_generatable  : 1;
                                bool is_overrideable : 1;
                                bool is_builtin      : 1;
                                bool is_gcc_builtin  : 1;
                        };

                        MakeBitfield( Spec )
                };

                /// If `cmd` = "C" returns `spec` with `is_mangled = false`.
                /// If `cmd` = "Cforall" returns `spec` with `is_mangled = true`. 
                Spec update( CodeLocation loc, Spec spec, const std::string * cmd );

                /// A human-readable name for this spec
                std::string name( Spec spec );

                // Pre-defined flag combinations
                
                /// C built-in defined in prelude
                constexpr Spec Intrinsic  = { Mangle | Generate | Overrideable | Builtin };
                /// Ordinary Cforall
                constexpr Spec Cforall    = { Mangle | Generate };
                /// C code: not overloadable, not mangled
                constexpr Spec C          = { Generate };
                /// Built by translator (e.g. struct assignment)
                constexpr Spec AutoGen    = { Mangle | Generate | Overrideable };
                /// GCC internal
                constexpr Spec Compiler   = { Mangle | Builtin | GccBuiltin };
                /// Mangled builtins
                constexpr Spec BuiltinCFA = { Mangle | Generate | Builtin };
                /// Non-mangled builtins
                constexpr Spec BuiltinC   = { Generate | Builtin };
        }
}

// Local Variables: //
// tab-width: 4 //
// mode: c++ //
// compile-command: "make install" //
// End: //