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// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_TINT_SEM_BOOL_H_
#define SRC_TINT_SEM_BOOL_H_
#include <string>
#include "src/tint/sem/type.h"
// X11 likes to #define Bool leading to confusing error messages.
// If its defined, undefine it.
#ifdef Bool
#undef Bool
#endif
namespace tint::sem {
/// A boolean type
class Bool final : public Castable<Bool, Type> {
public:
/// Constructor
Bool();
/// Move constructor
Bool(Bool&&);
~Bool() override;
/// @returns a hash of the type.
size_t Hash() const override;
/// @param other the other type to compare against
/// @returns true if the this type is equal to the given type
bool Equals(const Type& other) const override;
/// @param symbols the program's symbol table
/// @returns the name for this type that closely resembles how it would be
/// declared in WGSL.
std::string FriendlyName(const SymbolTable& symbols) const override;
/// @returns true if constructible as per
/// https://gpuweb.github.io/gpuweb/wgsl/#constructible-types
bool IsConstructible() const override;
/// @returns the size in bytes of the type.
/// @note: booleans are not host-sharable, but still may exist in workgroup
/// storage.
uint32_t Size() const override;
/// @returns the alignment in bytes of the type.
/// @note: booleans are not host-sharable, but still may exist in workgroup
/// storage.
uint32_t Align() const override;
};
} // namespace tint::sem
#endif // SRC_TINT_SEM_BOOL_H_