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c2e9bb785a
This function was copy-pasted in two transforms, and will be used in the next one I'm writing. Bug: tint:1080 Change-Id: Ic5ffe68a7e9d00b37722e8f5faff01e9e15fa6b1 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/85262 Reviewed-by: Ben Clayton <bclayton@google.com> Reviewed-by: James Price <jrprice@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Antonio Maiorano <amaiorano@google.com>
41 lines
1.6 KiB
C++
41 lines
1.6 KiB
C++
// Copyright 2022 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_TRANSFORM_UTILS_GET_INSERTION_POINT_H_
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#define SRC_TINT_TRANSFORM_UTILS_GET_INSERTION_POINT_H_
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#include <utility>
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#include "src/tint/program_builder.h"
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#include "src/tint/sem/block_statement.h"
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namespace tint::transform::utils {
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/// InsertionPoint is a pair of the block (`first`) within which, and the
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/// statement (`second`) before or after which to insert.
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using InsertionPoint =
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std::pair<const sem::BlockStatement*, const ast::Statement*>;
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/// For the input statement, returns the block and statement within that
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/// block to insert before/after. If `stmt` is a for-loop continue statement,
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/// the function returns {nullptr, nullptr} as we cannot insert before/after it.
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/// @param ctx the clone context
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/// @param stmt the statement to insert before or after
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/// @return the insertion point
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InsertionPoint GetInsertionPoint(CloneContext& ctx, const ast::Statement* stmt);
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} // namespace tint::transform::utils
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#endif // SRC_TINT_TRANSFORM_UTILS_GET_INSERTION_POINT_H_
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