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4964d9bc20
With the updated WGSL grammar the `@align` attribute takes an expression instead of a value. This CL updates the internal data structures to store an expression instead of an integer value. The parser still only parses integers, they're just turned into `IntLiteralExpressions` at the moment. Bug: tint:1633 Change-Id: If34901798ed6ceaced354bc06ae9b6df875b700e Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/99980 Reviewed-by: Ben Clayton <bclayton@chromium.org> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
46 lines
1.6 KiB
C++
46 lines
1.6 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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#include "src/tint/ast/struct_member_align_attribute.h"
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#include <string>
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#include "src/tint/clone_context.h"
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#include "src/tint/program_builder.h"
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TINT_INSTANTIATE_TYPEINFO(tint::ast::StructMemberAlignAttribute);
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namespace tint::ast {
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StructMemberAlignAttribute::StructMemberAlignAttribute(ProgramID pid,
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NodeID nid,
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const Source& src,
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const ast::Expression* a)
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: Base(pid, nid, src), align(a) {}
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StructMemberAlignAttribute::~StructMemberAlignAttribute() = default;
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std::string StructMemberAlignAttribute::Name() const {
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return "align";
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}
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const StructMemberAlignAttribute* StructMemberAlignAttribute::Clone(CloneContext* ctx) const {
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// Clone arguments outside of create() call to have deterministic ordering
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auto src = ctx->Clone(source);
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auto* align_ = ctx->Clone(align);
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return ctx->dst->create<StructMemberAlignAttribute>(src, align_);
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}
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} // namespace tint::ast
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