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61d76ebb5c
This CL removes some forward declarations which are no longer needed and adds one missing declaration which was pulled in from other headers. These were found by the clang-tidy bugprone-forward-declaration-namespace check. Bug: dawn:1414 Change-Id: I8906861e472f2d64a1547c8c6de348cd4151ffb5 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/91742 Reviewed-by: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Auto-Submit: Dan Sinclair <dsinclair@chromium.org> Commit-Queue: Dan Sinclair <dsinclair@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org>
109 lines
3.9 KiB
C++
109 lines
3.9 KiB
C++
// Copyright 2021 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SRC_TINT_SEM_ARRAY_H_
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#define SRC_TINT_SEM_ARRAY_H_
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#include <stdint.h>
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#include <string>
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#include "src/tint/sem/node.h"
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#include "src/tint/sem/type.h"
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namespace tint::sem {
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/// Array holds the semantic information for Array nodes.
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class Array final : public Castable<Array, Type> {
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public:
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/// Constructor
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/// @param element the array element type
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/// @param count the number of elements in the array. 0 represents a
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/// runtime-sized array.
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/// @param align the byte alignment of the array
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/// @param size the byte size of the array
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/// @param stride the number of bytes from the start of one element of the
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/// array to the start of the next element
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/// @param implicit_stride the number of bytes from the start of one element
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/// of the array to the start of the next element, if there was no `@stride`
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/// attribute applied.
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Array(Type const* element,
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uint32_t count,
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uint32_t align,
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uint32_t size,
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uint32_t stride,
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uint32_t implicit_stride);
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/// @returns a hash of the type.
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size_t Hash() const override;
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/// @param other the other type to compare against
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/// @returns true if the this type is equal to the given type
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bool Equals(const Type& other) const override;
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/// @return the array element type
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Type const* ElemType() const { return element_; }
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/// @returns the number of elements in the array. 0 represents a runtime-sized
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/// array.
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uint32_t Count() const { return count_; }
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/// @returns the byte alignment of the array
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/// @note this may differ from the alignment of a structure member of this
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/// array type, if the member is annotated with the `@align(n)` attribute.
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uint32_t Align() const override;
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/// @returns the byte size of the array
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/// @note this may differ from the size of a structure member of this array
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/// type, if the member is annotated with the `@size(n)` attribute.
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uint32_t Size() const override;
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/// @returns the number of bytes from the start of one element of the
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/// array to the start of the next element
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uint32_t Stride() const { return stride_; }
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/// @returns the number of bytes from the start of one element of the
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/// array to the start of the next element, if there was no `@stride`
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/// attribute applied
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uint32_t ImplicitStride() const { return implicit_stride_; }
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/// @returns true if the value returned by Stride() matches the element's
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/// natural stride
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bool IsStrideImplicit() const { return stride_ == implicit_stride_; }
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/// @returns true if this array is runtime sized
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bool IsRuntimeSized() const { return count_ == 0; }
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/// @returns true if constructible as per
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/// https://gpuweb.github.io/gpuweb/wgsl/#constructible-types
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bool IsConstructible() const override;
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/// @param symbols the program's symbol table
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/// @returns the name for this type that closely resembles how it would be
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/// declared in WGSL.
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std::string FriendlyName(const SymbolTable& symbols) const override;
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private:
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Type const* const element_;
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const uint32_t count_;
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const uint32_t align_;
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const uint32_t size_;
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const uint32_t stride_;
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const uint32_t implicit_stride_;
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const bool constructible_;
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};
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} // namespace tint::sem
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#endif // SRC_TINT_SEM_ARRAY_H_
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