dawn-cmake/src/ast/array_decoration.h
Ben Clayton 11c9de63aa ast: Add virtual GetKind() instead of kind member
Reduces the per-instance size for an extra vtable entry.

Change-Id: Ie087e0b8d8524adf85663ab1224fb0ae1a5e0000
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/34300
Reviewed-by: dan sinclair <dsinclair@chromium.org>
2020-11-30 23:30:58 +00:00

64 lines
1.8 KiB
C++

// 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_AST_ARRAY_DECORATION_H_
#define SRC_AST_ARRAY_DECORATION_H_
#include <memory>
#include <string>
#include <vector>
#include "src/ast/decoration.h"
namespace tint {
namespace ast {
class StrideDecoration;
/// A decoration attached to an array
class ArrayDecoration : public Decoration {
public:
/// The kind of decoration that this type represents
static constexpr const DecorationKind Kind = DecorationKind::kArray;
~ArrayDecoration() override;
/// @return the decoration kind
DecorationKind GetKind() const override;
/// @param kind the decoration kind
/// @return true if this Decoration is of the (or derives from) the given
/// kind.
bool IsKind(DecorationKind kind) const override;
/// @returns true if this is a stride decoration
virtual bool IsStride() const;
/// @returns the decoration as a stride decoration
StrideDecoration* AsStride();
protected:
/// Constructor
/// @param source the source of this decoration
explicit ArrayDecoration(const Source& source);
};
/// A list of array decorations
using ArrayDecorationList = std::vector<ArrayDecoration*>;
} // namespace ast
} // namespace tint
#endif // SRC_AST_ARRAY_DECORATION_H_