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Jon Ross-Perkins
b2c60b4f53
It feels like every time I add a builtin, I forget to add it to the builtin IR. This approach enforces the addition of builtin nodes, and also takes advantage of the normalized structure to set types appropriately (I think the new approach is simpler on this aspect).
57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#ifndef CARBON_TOOLCHAIN_SEMANTICS_SEMANTICS_BUILTIN_KIND_H_
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#define CARBON_TOOLCHAIN_SEMANTICS_SEMANTICS_BUILTIN_KIND_H_
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#include <cstdint>
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#include "toolchain/common/enum_base.h"
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namespace Carbon {
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CARBON_DEFINE_RAW_ENUM_CLASS(SemanticsBuiltinKind, uint8_t) {
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#define CARBON_SEMANTICS_BUILTIN_KIND_NAME(Name) \
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CARBON_RAW_ENUM_ENUMERATOR(Name)
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#include "toolchain/semantics/semantics_builtin_kind.def"
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};
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class SemanticsBuiltinKind : public CARBON_ENUM_BASE(SemanticsBuiltinKind) {
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public:
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#define CARBON_SEMANTICS_BUILTIN_KIND_NAME(Name) \
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CARBON_ENUM_CONSTANT_DECLARATION(Name)
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#include "toolchain/semantics/semantics_builtin_kind.def"
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// The count of enum values excluding Invalid.
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//
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// Note that we *define* this as `constexpr` making it a true compile-time
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// constant, and so we name it accordingly and disable the lint error here.
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// NOLINTNEXTLINE(readability-identifier-naming)
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static const uint8_t ValidCount;
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// Support conversion to and from an int32_t for SemanticNode storage.
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using EnumBase::AsInt;
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using EnumBase::FromInt;
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};
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#define CARBON_SEMANTICS_BUILTIN_KIND_NAME(Name) \
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CARBON_ENUM_CONSTANT_DEFINITION(SemanticsBuiltinKind, Name)
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#include "toolchain/semantics/semantics_builtin_kind.def"
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constexpr uint8_t SemanticsBuiltinKind::ValidCount = Invalid.AsInt();
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static_assert(
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SemanticsBuiltinKind::ValidCount != 0,
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"The above `constexpr` definition of `ValidCount` makes it available in "
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"a `constexpr` context despite being declared as merely `const`. We use it "
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"in a static assert here to ensure that.");
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// We expect the builtin kind to fit compactly into 8 bits.
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static_assert(sizeof(SemanticsBuiltinKind) == 1,
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"Kind objects include padding!");
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} // namespace Carbon
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#endif // CARBON_TOOLCHAIN_SEMANTICS_SEMANTICS_BUILTIN_KIND_H_
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