| // Copyright 2017 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_DEBUG_DEBUG_COVERAGE_H_ |
| #define V8_DEBUG_DEBUG_COVERAGE_H_ |
| |
| #include <vector> |
| |
| #include "src/debug/debug-interface.h" |
| #include "src/objects.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| // Forward declaration. |
| class Isolate; |
| |
| struct CoverageFunction { |
| CoverageFunction(int s, int e, uint32_t c, Handle<String> n) |
| : start(s), end(e), count(c), name(n) {} |
| int start; |
| int end; |
| uint32_t count; |
| Handle<String> name; |
| }; |
| |
| struct CoverageScript { |
| // Initialize top-level function in case it has been garbage-collected. |
| CoverageScript(Isolate* isolate, Handle<Script> s) : script(s) {} |
| Handle<Script> script; |
| // Functions are sorted by start position, from outer to inner function. |
| std::vector<CoverageFunction> functions; |
| }; |
| |
| class Coverage : public std::vector<CoverageScript> { |
| public: |
| // Allocate a new Coverage object and populate with result. |
| // The ownership is transferred to the caller. |
| static Coverage* Collect(Isolate* isolate, bool reset_count); |
| |
| // Enable precise code coverage. This disables optimization and makes sure |
| // invocation count is not affected by GC. |
| static void TogglePrecise(Isolate* isolate, bool enable); |
| |
| private: |
| Coverage() {} |
| }; |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_DEBUG_DEBUG_COVERAGE_H_ |