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This CL changes the way that the resolver traverses expressions to avoid stack overflows for deeply nested expressions. Instead of having the expression resolver methods call back into Expression(), add a TraverseExpressions() method that collects all the expression nodes with a simple DFS. This currently only changes the way that Expressions are traversed. We may need to do the same for statements. Bug: chromium:1246375 Change-Id: Ie81905da1b790b6dd1df9f1ac42e06593d397c21 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/63700 Auto-Submit: Ben Clayton <bclayton@google.com> Reviewed-by: David Neto <dneto@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com>
37 lines
991 B
C++
37 lines
991 B
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/utils/reverse.h"
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#include <vector>
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#include "gmock/gmock.h"
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namespace tint {
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namespace utils {
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namespace {
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TEST(ReverseTest, Vector) {
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std::vector<int> vec{1, 3, 5, 7, 9};
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std::vector<int> rev;
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for (auto v : Reverse(vec)) {
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rev.emplace_back(v);
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}
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ASSERT_THAT(rev, testing::ElementsAre(9, 7, 5, 3, 1));
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}
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} // namespace
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} // namespace utils
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} // namespace tint
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