mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-08-13 15:39:09 +00:00
783b169bf4
Change-Id: I10dd2feeaeb86a1ee7769d2bfd172e49c2805cb3 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/97843 Reviewed-by: Dan Sinclair <dsinclair@chromium.org> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@google.com>
68 lines
2.0 KiB
C++
68 lines
2.0 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_TINT_AST_ATTRIBUTE_H_
|
|
#define SRC_TINT_AST_ATTRIBUTE_H_
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "src/tint/ast/node.h"
|
|
|
|
namespace tint::ast {
|
|
|
|
/// The base class for all attributes
|
|
class Attribute : public Castable<Attribute, Node> {
|
|
public:
|
|
~Attribute() override;
|
|
|
|
/// @returns the WGSL name for the attribute
|
|
virtual std::string Name() const = 0;
|
|
|
|
protected:
|
|
/// Constructor
|
|
/// @param pid the identifier of the program that owns this node
|
|
/// @param nid the unique node identifier
|
|
/// @param src the source of this node
|
|
Attribute(ProgramID pid, NodeID nid, const Source& src) : Base(pid, nid, src) {}
|
|
};
|
|
|
|
/// @param attributes the list of attributes to search
|
|
/// @returns true if `attributes` includes a attribute of type `T`
|
|
template <typename... Ts>
|
|
bool HasAttribute(utils::VectorRef<const Attribute*> attributes) {
|
|
for (auto* attr : attributes) {
|
|
if (attr->IsAnyOf<Ts...>()) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/// @param attributes the list of attributes to search
|
|
/// @returns a pointer to `T` from `attributes` if found, otherwise nullptr.
|
|
template <typename T>
|
|
const T* GetAttribute(utils::VectorRef<const Attribute*> attributes) {
|
|
for (auto* attr : attributes) {
|
|
if (attr->Is<T>()) {
|
|
return attr->As<T>();
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
} // namespace tint::ast
|
|
|
|
#endif // SRC_TINT_AST_ATTRIBUTE_H_
|