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////////////////////////////////////////////////////////////////////////////////
// File generated by 'tools/src/cmd/gen' using the template:
//   src/tint/lang/wgsl/diagnostic_rule.h.tmpl
//
// To regenerate run: './tools/run gen'
//
//                       Do not modify this file directly
////////////////////////////////////////////////////////////////////////////////

#ifndef SRC_TINT_LANG_WGSL_DIAGNOSTIC_RULE_H_
#define SRC_TINT_LANG_WGSL_DIAGNOSTIC_RULE_H_

#include <cstdint>
#include <variant>

#include "src/tint/utils/rtti/traits.h"

namespace tint::wgsl {

/// WGSL core diagnostic rules.
enum class CoreDiagnosticRule : uint8_t {
    kUndefined,
    kDerivativeUniformity,
    kSubgroupUniformity,
};

/// @param value the enum value
/// @returns the string for the given enum value
std::string_view ToString(CoreDiagnosticRule value);

/// @param out the stream to write to
/// @param value the CoreDiagnosticRule
/// @returns @p out so calls can be chained
template <typename STREAM, typename = traits::EnableIfIsOStream<STREAM>>
auto& operator<<(STREAM& out, CoreDiagnosticRule value) {
    return out << ToString(value);
}

/// ParseCoreDiagnosticRule parses a CoreDiagnosticRule from a string.
/// @param str the string to parse
/// @returns the parsed enum, or CoreDiagnosticRule::kUndefined if the string could not be parsed.
CoreDiagnosticRule ParseCoreDiagnosticRule(std::string_view str);

constexpr std::string_view kCoreDiagnosticRuleStrings[] = {
    "derivative_uniformity",
    "subgroup_uniformity",
};

/// Chromium-specific diagnostic rules.
enum class ChromiumDiagnosticRule : uint8_t {
    kUndefined,
    kUnreachableCode,
};

/// @param value the enum value
/// @returns the string for the given enum value
std::string_view ToString(ChromiumDiagnosticRule value);

/// @param out the stream to write to
/// @param value the ChromiumDiagnosticRule
/// @returns @p out so calls can be chained
template <typename STREAM, typename = traits::EnableIfIsOStream<STREAM>>
auto& operator<<(STREAM& out, ChromiumDiagnosticRule value) {
    return out << ToString(value);
}

/// ParseChromiumDiagnosticRule parses a ChromiumDiagnosticRule from a string.
/// @param str the string to parse
/// @returns the parsed enum, or ChromiumDiagnosticRule::kUndefined if the string could not be
/// parsed.
ChromiumDiagnosticRule ParseChromiumDiagnosticRule(std::string_view str);

constexpr std::string_view kChromiumDiagnosticRuleStrings[] = {
    "unreachable_code",
};

/// All diagnostic rules understood by Tint.
using DiagnosticRule = std::variant<CoreDiagnosticRule, ChromiumDiagnosticRule>;

}  // namespace tint::wgsl

#endif  // SRC_TINT_LANG_WGSL_DIAGNOSTIC_RULE_H_