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100 lines
3.4 KiB
100 lines
3.4 KiB
9 years ago
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// Copyright 2016 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_INSPECTOR_V8STACKTRACEIMPL_H_
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#define V8_INSPECTOR_V8STACKTRACEIMPL_H_
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#include <vector>
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#include "src/base/macros.h"
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#include "src/inspector/protocol/Forward.h"
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#include "src/inspector/protocol/Runtime.h"
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#include "include/v8-inspector.h"
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namespace v8_inspector {
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class TracedValue;
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class V8Debugger;
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// Note: async stack trace may have empty top stack with non-empty tail to
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// indicate
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// that current native-only state had some async story.
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// On the other hand, any non-top async stack is guaranteed to be non-empty.
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class V8StackTraceImpl final : public V8StackTrace {
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public:
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static const size_t maxCallStackSizeToCapture = 200;
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class Frame {
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public:
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Frame();
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Frame(const String16& functionName, const String16& scriptId,
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const String16& scriptName, int lineNumber, int column = 0);
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~Frame();
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const String16& functionName() const { return m_functionName; }
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const String16& scriptId() const { return m_scriptId; }
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const String16& sourceURL() const { return m_scriptName; }
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int lineNumber() const { return m_lineNumber; }
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int columnNumber() const { return m_columnNumber; }
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Frame clone() const;
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private:
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friend class V8StackTraceImpl;
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std::unique_ptr<protocol::Runtime::CallFrame> buildInspectorObject() const;
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void toTracedValue(TracedValue*) const;
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String16 m_functionName;
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String16 m_scriptId;
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String16 m_scriptName;
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int m_lineNumber;
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int m_columnNumber;
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};
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static void setCaptureStackTraceForUncaughtExceptions(v8::Isolate*,
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bool capture);
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static std::unique_ptr<V8StackTraceImpl> create(
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V8Debugger*, int contextGroupId, v8::Local<v8::StackTrace>,
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size_t maxStackSize, const String16& description = String16());
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static std::unique_ptr<V8StackTraceImpl> capture(
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V8Debugger*, int contextGroupId, size_t maxStackSize,
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const String16& description = String16());
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// This method drops the async chain. Use cloneImpl() instead.
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std::unique_ptr<V8StackTrace> clone() override;
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std::unique_ptr<V8StackTraceImpl> cloneImpl();
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std::unique_ptr<protocol::Runtime::StackTrace> buildInspectorObjectForTail(
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V8Debugger*) const;
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std::unique_ptr<protocol::Runtime::StackTrace> buildInspectorObjectImpl()
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const;
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~V8StackTraceImpl() override;
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// V8StackTrace implementation.
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bool isEmpty() const override { return !m_frames.size(); };
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StringView topSourceURL() const override;
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int topLineNumber() const override;
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int topColumnNumber() const override;
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StringView topScriptId() const override;
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StringView topFunctionName() const override;
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std::unique_ptr<protocol::Runtime::API::StackTrace> buildInspectorObject()
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const override;
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std::unique_ptr<StringBuffer> toString() const override;
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private:
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V8StackTraceImpl(int contextGroupId, const String16& description,
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std::vector<Frame>& frames,
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std::unique_ptr<V8StackTraceImpl> parent);
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int m_contextGroupId;
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String16 m_description;
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std::vector<Frame> m_frames;
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std::unique_ptr<V8StackTraceImpl> m_parent;
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DISALLOW_COPY_AND_ASSIGN(V8StackTraceImpl);
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};
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} // namespace v8_inspector
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#endif // V8_INSPECTOR_V8STACKTRACEIMPL_H_
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