| 1 | //
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
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| 3 | //
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| 4 | // The contents of this file are covered under the licence agreement in the
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| 5 | // file "LICENCE" distributed with Cforall.
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| 6 | //
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| 7 | // LinkageSpec.hpp --
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| 8 | //
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| 9 | // Author : Aaron B. Moss
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| 10 | // Created On : Thu May 9 10:00:00 2019
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| 11 | // Last Modified By : Aaron B. Moss
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| 12 | // Last Modified On : Thu May 9 10:00:00 2019
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| 13 | // Update Count : 1
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| 14 | //
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| 15 |
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| 16 | #pragma once
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| 17 |
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| 18 | #include <string>
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| 19 |
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| 20 | #include "Bitfield.hpp"
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| 21 | #include "Common/CodeLocation.h"
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| 22 |
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| 23 | namespace ast {
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| 24 |
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| 25 | namespace Linkage {
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| 26 |
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| 27 | /// Bitflags for linkage specifiers
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| 28 | enum {
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| 29 | Mangle = 1 << 0,
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| 30 | Generate = 1 << 1,
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| 31 | Overrideable = 1 << 2,
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| 32 | Builtin = 1 << 3,
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| 33 | GccBuiltin = 1 << 4
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| 34 | };
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| 35 |
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| 36 | /// Bitflag type for storage classes
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| 37 | union Spec {
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| 38 | unsigned int val;
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| 39 | struct {
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| 40 | bool is_mangled : 1;
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| 41 | bool is_generatable : 1;
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| 42 | bool is_overrideable : 1;
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| 43 | bool is_builtin : 1;
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| 44 | bool is_gcc_builtin : 1;
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| 45 | };
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| 46 |
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| 47 | MakeBitfield( Spec )
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| 48 | };
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| 49 |
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| 50 | /// If `cmd` = "C" returns `spec` with `is_mangled = false`.
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| 51 | /// If `cmd` = "Cforall" returns `spec` with `is_mangled = true`.
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| 52 | Spec update( CodeLocation loc, Spec spec, const std::string * cmd );
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| 53 |
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| 54 | /// A human-readable name for this spec
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| 55 | std::string name( Spec spec );
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| 56 |
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| 57 | // Pre-defined flag combinations
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| 58 |
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| 59 | /// C built-in defined in prelude
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| 60 | constexpr Spec Intrinsic = { Mangle | Generate | Overrideable | Builtin };
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| 61 | /// Ordinary Cforall
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| 62 | constexpr Spec Cforall = { Mangle | Generate };
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| 63 | /// C code: not overloadable, not mangled
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| 64 | constexpr Spec C = { Generate };
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| 65 | /// Built by translator (e.g. struct assignment)
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| 66 | constexpr Spec AutoGen = { Mangle | Generate | Overrideable };
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| 67 | /// GCC internal
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| 68 | constexpr Spec Compiler = { Mangle | Builtin | GccBuiltin };
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| 69 | /// Mangled builtins
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| 70 | constexpr Spec BuiltinCFA = { Mangle | Generate | Builtin };
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| 71 | /// Non-mangled builtins
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| 72 | constexpr Spec BuiltinC = { Generate | Builtin };
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| 73 | }
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| 74 |
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| 75 | }
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| 76 |
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| 77 | // Local Variables: //
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| 78 | // tab-width: 4 //
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| 79 | // mode: c++ //
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| 80 | // compile-command: "make install" //
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| 81 | // End: //
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