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a9b33cfcd2
The source report RPC needs to be able to distinguish branch coverage vs normal coverage token positions. So encode normal positions as 2 * pos and branch positions as 2 * pos + 1. TEST=CI Change-Id: I247796d1eb4c97947f9b38aa56bc318ecea09425 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/224320 Reviewed-by: Ryan Macnak <rmacnak@google.com> Commit-Queue: Liam Appelbe <liama@google.com>
64 lines
2 KiB
C++
64 lines
2 KiB
C++
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/token_position.h"
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#include "vm/object.h"
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#include "vm/zone_text_buffer.h"
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namespace dart {
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uword TokenPosition::Hash() const {
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return Utils::WordHash(value_);
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}
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TokenPosition TokenPosition::Deserialize(int32_t value) {
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return TokenPosition(value);
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}
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int32_t TokenPosition::Serialize() const {
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return static_cast<int32_t>(value_);
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}
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intptr_t TokenPosition::EncodeCoveragePosition(bool is_branch_coverage) {
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// Normal coverage positions are encoded as 2 * pos, and branch coverage are
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// encoded as 2 * pos + 1.
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intptr_t encoded_position = 2 * static_cast<intptr_t>(value_);
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return is_branch_coverage ? encoded_position + 1 : encoded_position;
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}
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TokenPosition TokenPosition::DecodeCoveragePosition(intptr_t encoded_position,
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bool* is_branch_coverage) {
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*is_branch_coverage = ((encoded_position % 2) == 1);
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return TokenPosition(encoded_position / 2);
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}
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#define DEFINE_VALUES(name, value) \
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const TokenPosition TokenPosition::k##name(value);
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SENTINEL_TOKEN_DESCRIPTORS(DEFINE_VALUES);
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#undef DEFINE_VALUES
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const TokenPosition TokenPosition::kMinSource(kMinSourcePos);
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const TokenPosition TokenPosition::kMaxSource(kMaxSourcePos);
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const char* TokenPosition::ToCString() const {
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switch (value_) {
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#define DEFINE_CASE(name, value) \
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case value: \
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return #name;
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SENTINEL_TOKEN_DESCRIPTORS(DEFINE_CASE);
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#undef DEFINE_CASE
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default:
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break;
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}
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ASSERT(IsReal() || IsSynthetic());
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ZoneTextBuffer buffer(Thread::Current()->zone());
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if (IsSynthetic()) {
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buffer.AddString("syn:");
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}
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buffer.Printf("%" Pd32 "", value_);
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return buffer.buffer();
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}
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} // namespace dart
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