b09b5f7867
Bug: v8:12781 Change-Id: I3dfbc03dd2dd4ac32d16cf153146979a0b4bcf50 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3829504 Commit-Queue: Clemens Backes <clemensb@chromium.org> Reviewed-by: Clemens Backes <clemensb@chromium.org> Cr-Commit-Position: refs/heads/main@{#82628}
48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_TEST_FEEDBACK_VECTOR_H_
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#define V8_TEST_FEEDBACK_VECTOR_H_
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#include "src/execution/isolate.h"
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#include "src/objects/feedback-vector.h"
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#include "src/objects/objects.h"
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#include "src/objects/shared-function-info.h"
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namespace v8 {
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namespace internal {
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// Helper class that allows to write tests in a slot size independent manner.
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// Use helper.slot(X) to get X'th slot identifier.
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class FeedbackVectorHelper {
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public:
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explicit FeedbackVectorHelper(Handle<FeedbackVector> vector)
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: vector_(vector) {
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int slot_count = vector->length();
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slots_.reserve(slot_count);
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FeedbackMetadataIterator iter(vector->metadata());
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while (iter.HasNext()) {
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FeedbackSlot slot = iter.Next();
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slots_.push_back(slot);
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}
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}
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Handle<FeedbackVector> vector() { return vector_; }
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// Returns slot identifier by numerical index.
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FeedbackSlot slot(int index) const { return slots_[index]; }
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// Returns the number of slots in the feedback vector.
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int slot_count() const { return static_cast<int>(slots_.size()); }
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private:
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Handle<FeedbackVector> vector_;
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std::vector<FeedbackSlot> slots_;
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};
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} // namespace internal
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} // namespace v8
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#endif
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