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| 1 // Copyright 2016 the V8 project authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef V8_INSPECTOR_V8STACKTRACEIMPL_H_ | |
| 6 #define V8_INSPECTOR_V8STACKTRACEIMPL_H_ | |
| 7 | |
| 8 #include "src/base/macros.h" | |
| 9 #include "src/inspector/protocol/Forward.h" | |
| 10 #include "src/inspector/protocol/Runtime.h" | |
| 11 | |
| 12 #include "include/v8-inspector.h" | |
| 13 | |
| 14 #include <vector> | |
| 15 | |
| 16 namespace v8_inspector { | |
| 17 | |
| 18 class TracedValue; | |
| 19 class V8Debugger; | |
| 20 | |
| 21 // Note: async stack trace may have empty top stack with non-empty tail to | |
| 22 // indicate | |
| 23 // that current native-only state had some async story. | |
| 24 // On the other hand, any non-top async stack is guaranteed to be non-empty. | |
| 25 class V8StackTraceImpl final : public V8StackTrace { | |
| 26 DISALLOW_COPY_AND_ASSIGN(V8StackTraceImpl); | |
| 27 | |
| 28 public: | |
| 29 static const size_t maxCallStackSizeToCapture = 200; | |
| 30 | |
| 31 class Frame { | |
| 32 public: | |
| 33 Frame(); | |
| 34 Frame(const String16& functionName, const String16& scriptId, | |
| 35 const String16& scriptName, int lineNumber, int column = 0); | |
| 36 ~Frame(); | |
| 37 | |
| 38 const String16& functionName() const { return m_functionName; } | |
| 39 const String16& scriptId() const { return m_scriptId; } | |
| 40 const String16& sourceURL() const { return m_scriptName; } | |
| 41 int lineNumber() const { return m_lineNumber; } | |
| 42 int columnNumber() const { return m_columnNumber; } | |
| 43 Frame clone() const; | |
| 44 | |
| 45 private: | |
| 46 friend class V8StackTraceImpl; | |
| 47 std::unique_ptr<protocol::Runtime::CallFrame> buildInspectorObject() const; | |
| 48 void toTracedValue(TracedValue*) const; | |
| 49 | |
| 50 String16 m_functionName; | |
| 51 String16 m_scriptId; | |
| 52 String16 m_scriptName; | |
| 53 int m_lineNumber; | |
| 54 int m_columnNumber; | |
| 55 }; | |
| 56 | |
| 57 static void setCaptureStackTraceForUncaughtExceptions(v8::Isolate*, | |
| 58 bool capture); | |
| 59 static std::unique_ptr<V8StackTraceImpl> create( | |
| 60 V8Debugger*, int contextGroupId, v8::Local<v8::StackTrace>, | |
| 61 size_t maxStackSize, const String16& description = String16()); | |
| 62 static std::unique_ptr<V8StackTraceImpl> capture( | |
| 63 V8Debugger*, int contextGroupId, size_t maxStackSize, | |
| 64 const String16& description = String16()); | |
| 65 | |
| 66 // This method drops the async chain. Use cloneImpl() instead. | |
| 67 std::unique_ptr<V8StackTrace> clone() override; | |
| 68 std::unique_ptr<V8StackTraceImpl> cloneImpl(); | |
| 69 std::unique_ptr<protocol::Runtime::StackTrace> buildInspectorObjectForTail( | |
| 70 V8Debugger*) const; | |
| 71 std::unique_ptr<protocol::Runtime::StackTrace> buildInspectorObjectImpl() | |
| 72 const; | |
| 73 ~V8StackTraceImpl() override; | |
| 74 | |
| 75 // V8StackTrace implementation. | |
| 76 bool isEmpty() const override { return !m_frames.size(); }; | |
| 77 StringView topSourceURL() const override; | |
| 78 int topLineNumber() const override; | |
| 79 int topColumnNumber() const override; | |
| 80 StringView topScriptId() const override; | |
| 81 StringView topFunctionName() const override; | |
| 82 std::unique_ptr<protocol::Runtime::API::StackTrace> buildInspectorObject() | |
| 83 const override; | |
| 84 std::unique_ptr<StringBuffer> toString() const override; | |
| 85 | |
| 86 private: | |
| 87 V8StackTraceImpl(int contextGroupId, const String16& description, | |
| 88 std::vector<Frame>& frames, | |
| 89 std::unique_ptr<V8StackTraceImpl> parent); | |
| 90 | |
| 91 int m_contextGroupId; | |
| 92 String16 m_description; | |
| 93 std::vector<Frame> m_frames; | |
| 94 std::unique_ptr<V8StackTraceImpl> m_parent; | |
| 95 }; | |
| 96 | |
| 97 } // namespace v8_inspector | |
| 98 | |
| 99 #endif // V8_INSPECTOR_V8STACKTRACEIMPL_H_ | |
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