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carbon-lang/toolchain/diagnostics/diagnostic_kind.h
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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#ifndef CARBON_TOOLCHAIN_DIAGNOSTICS_DIAGNOSTIC_KIND_H_
#define CARBON_TOOLCHAIN_DIAGNOSTICS_DIAGNOSTIC_KIND_H_
#include <cstdint>
#include "common/enum_base.h"
namespace Carbon {
// Although this currently fits into int8_t, it shouldn't be expected to
// long-term.
// NOLINTNEXTLINE(performance-enum-size)
CARBON_DEFINE_RAW_ENUM_CLASS(DiagnosticKind, uint16_t) {
#define CARBON_DIAGNOSTIC_KIND(Name) CARBON_RAW_ENUM_ENUMERATOR(Name)
#include "toolchain/diagnostics/diagnostic_kind.def"
};
// An enumeration of all diagnostics provided by the toolchain. Diagnostics must
// be added to diagnostic_kind.def, and defined locally to where they're
// used using the `DIAGNOSTIC` macro in diagnostic_emitter.h.
//
// Diagnostic definitions are decentralized because placing all diagnostic
// definitions centrally is expected to create a compilation bottleneck
// long-term, and we also see value to keeping diagnostic format strings close
// to the consuming code.
class DiagnosticKind : public CARBON_ENUM_BASE(DiagnosticKind) {
public:
#define CARBON_DIAGNOSTIC_KIND(Name) CARBON_ENUM_CONSTANT_DECL(Name)
#include "toolchain/diagnostics/diagnostic_kind.def"
};
#define CARBON_DIAGNOSTIC_KIND(Name) \
CARBON_ENUM_CONSTANT_DEFINITION(DiagnosticKind, Name)
#include "toolchain/diagnostics/diagnostic_kind.def"
// We expect DiagnosticKind to fit into 2 bits.
static_assert(sizeof(DiagnosticKind) == 2, "DiagnosticKind includes padding!");
} // namespace Carbon
#endif // CARBON_TOOLCHAIN_DIAGNOSTICS_DIAGNOSTIC_KIND_H_