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// Copyright 2015 The Chromium 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 V8DebuggerAgentImpl_h
#define V8DebuggerAgentImpl_h
#include "platform/inspector_protocol/Collections.h"
#include "platform/inspector_protocol/Dispatcher.h"
#include "platform/inspector_protocol/Frontend.h"
#include "platform/inspector_protocol/String16.h"
#include "platform/v8_inspector/V8DebuggerImpl.h"
#include "platform/v8_inspector/public/V8DebuggerAgent.h"
namespace blink {
class InjectedScriptManager;
class JavaScriptCallFrame;
class PromiseTracker;
class V8AsyncCallTracker;
class V8StackTraceImpl;
namespace protocol {
class DictionaryValue;
}
using protocol::Maybe;
class V8DebuggerAgentImpl : public V8DebuggerAgent {
PROTOCOL_DISALLOW_COPY(V8DebuggerAgentImpl);
public:
enum SkipPauseRequest {
RequestNoSkip,
RequestContinue,
RequestStepInto,
RequestStepOut,
RequestStepFrame
};
enum BreakpointSource {
UserBreakpointSource,
DebugCommandBreakpointSource,
MonitorCommandBreakpointSource
};
V8DebuggerAgentImpl(InjectedScriptManager*, V8DebuggerImpl*, int contextGroupId);
~V8DebuggerAgentImpl() override;
void setInspectorState(protocol::DictionaryValue*) override;
void setFrontend(protocol::Frontend::Debugger* frontend) override { m_frontend = frontend; }
void clearFrontend() override;
void restore() override;
void disable(ErrorString*) override;
bool isPaused() override;
// Part of the protocol.
void enable(ErrorString*) override;
void setBreakpointsActive(ErrorString*, bool active) override;
void setSkipAllPauses(ErrorString*, bool skipped) override;
void setBreakpointByUrl(ErrorString*,
int lineNumber,
const Maybe<String16>& optionalURL,
const Maybe<String16>& optionalURLRegex,
const Maybe<int>& optionalColumnNumber,
const Maybe<String16>& optionalCondition,
String16*,
OwnPtr<protocol::Array<protocol::Debugger::Location>>* locations) override;
void setBreakpoint(ErrorString*,
PassOwnPtr<protocol::Debugger::Location>,
const Maybe<String16>& optionalCondition,
String16*,
OwnPtr<protocol::Debugger::Location>* actualLocation) override;
void removeBreakpoint(ErrorString*, const String16& breakpointId) override;
void continueToLocation(ErrorString*,
PassOwnPtr<protocol::Debugger::Location>,
const Maybe<bool>& interstateLocationOpt) override;
void getBacktrace(ErrorString*,
OwnPtr<protocol::Array<protocol::Debugger::CallFrame>>*,
Maybe<protocol::Runtime::StackTrace>*) override;
void searchInContent(ErrorString*,
const String16& scriptId,
const String16& query,
const Maybe<bool>& optionalCaseSensitive,
const Maybe<bool>& optionalIsRegex,
OwnPtr<protocol::Array<protocol::Debugger::SearchMatch>>*) override;
void canSetScriptSource(ErrorString*, bool* result) override { *result = true; }
void setScriptSource(ErrorString*,
const String16& inScriptId,
const String16& inScriptSource,
const Maybe<bool>& inPreview,
Maybe<protocol::Array<protocol::Debugger::CallFrame>>* optOutCallFrames,
Maybe<bool>* optOutStackChanged,
Maybe<protocol::Runtime::StackTrace>* optOutAsyncStackTrace,
Maybe<protocol::Debugger::SetScriptSourceError>* optOutCompileError) override;
void restartFrame(ErrorString*,
const String16& callFrameId,
OwnPtr<protocol::Array<protocol::Debugger::CallFrame>>* newCallFrames,
Maybe<protocol::Runtime::StackTrace>* asyncStackTrace) override;
void getScriptSource(ErrorString*, const String16& scriptId, String16* scriptSource) override;
void getFunctionDetails(ErrorString*,
const String16& functionId,
OwnPtr<protocol::Debugger::FunctionDetails>*) override;
void getGeneratorObjectDetails(ErrorString*,
const String16& objectId,
OwnPtr<protocol::Debugger::GeneratorObjectDetails>*) override;
void getCollectionEntries(ErrorString*,
const String16& objectId,
OwnPtr<protocol::Array<protocol::Debugger::CollectionEntry>>*) override;
void pause(ErrorString*) override;
void resume(ErrorString*) override;
void stepOver(ErrorString*) override;
void stepInto(ErrorString*) override;
void stepOut(ErrorString*) override;
void stepIntoAsync(ErrorString*) override;
void setPauseOnExceptions(ErrorString*, const String16& pauseState) override;
void evaluateOnCallFrame(ErrorString*,
const String16& callFrameId,
const String16& expression,
const Maybe<String16>& objectGroup,
const Maybe<bool>& includeCommandLineAPI,
const Maybe<bool>& doNotPauseOnExceptionsAndMuteConsole,
const Maybe<bool>& returnByValue,
const Maybe<bool>& generatePreview,
OwnPtr<protocol::Runtime::RemoteObject>* result,
Maybe<bool>* wasThrown,
Maybe<protocol::Runtime::ExceptionDetails>*) override;
void setVariableValue(ErrorString*,
int scopeNumber,
const String16& variableName,
PassOwnPtr<protocol::Runtime::CallArgument> newValue,
const String16& callFrame) override;
void setAsyncCallStackDepth(ErrorString*, int depth) override;
void flushAsyncOperationEvents(ErrorString*) override;
void setAsyncOperationBreakpoint(ErrorString*, int operationId) override;
void removeAsyncOperationBreakpoint(ErrorString*, int operationId) override;
void setBlackboxedRanges(ErrorString*,
const String16& scriptId,
PassOwnPtr<protocol::Array<protocol::Debugger::ScriptPosition>> positions) override;
void schedulePauseOnNextStatement(const String16& breakReason, PassOwnPtr<protocol::DictionaryValue> data) override;
void cancelPauseOnNextStatement() override;
bool canBreakProgram() override;
void breakProgram(const String16& breakReason, PassOwnPtr<protocol::DictionaryValue> data) override;
void breakProgramOnException(const String16& breakReason, PassOwnPtr<protocol::DictionaryValue> data) override;
void willExecuteScript(int scriptId) override;
void didExecuteScript() override;
bool enabled() override;
V8DebuggerImpl& debugger() override { return *m_debugger; }
void setBreakpointAt(const String16& scriptId, int lineNumber, int columnNumber, BreakpointSource, const String16& condition = String16());
void removeBreakpointAt(const String16& scriptId, int lineNumber, int columnNumber, BreakpointSource);
// Async call stacks implementation
int traceAsyncOperationStarting(const String16& description) override;
void traceAsyncCallbackStarting(int operationId) override;
void traceAsyncCallbackCompleted() override;
void traceAsyncOperationCompleted(int operationId) override;
bool trackingAsyncCalls() const override { return m_maxAsyncCallStackDepth; }
void reset();
// Interface for V8DebuggerImpl
SkipPauseRequest didPause(v8::Local<v8::Context>, v8::Local<v8::Value> exception, const protocol::Vector<String16>& hitBreakpoints, bool isPromiseRejection);
void didContinue();
void didParseSource(const V8DebuggerParsedScript&);
bool v8AsyncTaskEventsEnabled() const;
void didReceiveV8AsyncTaskEvent(v8::Local<v8::Context>, const String16& eventType, const String16& eventName, int id);
v8::Isolate* isolate() { return m_isolate; }
int maxAsyncCallChainDepth() { return m_maxAsyncCallStackDepth; }
V8StackTraceImpl* currentAsyncCallChain();
private:
bool checkEnabled(ErrorString*);
void enable();
SkipPauseRequest shouldSkipExceptionPause(JavaScriptCallFrame* topCallFrame);
SkipPauseRequest shouldSkipStepPause(JavaScriptCallFrame* topCallFrame);
void schedulePauseOnNextStatementIfSteppingInto();
PassOwnPtr<protocol::Array<protocol::Debugger::CallFrame>> currentCallFrames(ErrorString*);
PassOwnPtr<protocol::Runtime::StackTrace> currentAsyncStackTrace();
void clearCurrentAsyncOperation();
void resetAsyncCallTracker();
void changeJavaScriptRecursionLevel(int step);
void setPauseOnExceptionsImpl(ErrorString*, int);
PassOwnPtr<protocol::Debugger::Location> resolveBreakpoint(const String16& breakpointId, const String16& scriptId, const ScriptBreakpoint&, BreakpointSource);
void removeBreakpoint(const String16& breakpointId);
void clearStepIntoAsync();
bool assertPaused(ErrorString*);
void clearBreakDetails();
bool isCurrentCallStackEmptyOrBlackboxed();
bool isTopPausedCallFrameBlackboxed();
bool isCallFrameWithUnknownScriptOrBlackboxed(JavaScriptCallFrame*);
void internalSetAsyncCallStackDepth(int);
void increaseCachedSkipStackGeneration();
using ScriptsMap = protocol::HashMap<String16, V8DebuggerScript>;
using BreakpointIdToDebuggerBreakpointIdsMap = protocol::HashMap<String16, protocol::Vector<String16>>;
using DebugServerBreakpointToBreakpointIdAndSourceMap = protocol::HashMap<String16, std::pair<String16, BreakpointSource>>;
using MuteBreakpoins = protocol::HashMap<String16, std::pair<String16, int>>;
enum DebuggerStep {
NoStep = 0,
StepInto,
StepOver,
StepOut
};
InjectedScriptManager* m_injectedScriptManager;
V8DebuggerImpl* m_debugger;
int m_contextGroupId;
bool m_enabled;
protocol::DictionaryValue* m_state;
protocol::Frontend::Debugger* m_frontend;
v8::Isolate* m_isolate;
v8::Global<v8::Context> m_pausedContext;
JavaScriptCallFrames m_pausedCallFrames;
ScriptsMap m_scripts;
BreakpointIdToDebuggerBreakpointIdsMap m_breakpointIdToDebuggerBreakpointIds;
DebugServerBreakpointToBreakpointIdAndSourceMap m_serverBreakpoints;
String16 m_continueToLocationBreakpointId;
String16 m_breakReason;
OwnPtr<protocol::DictionaryValue> m_breakAuxData;
DebuggerStep m_scheduledDebuggerStep;
bool m_skipNextDebuggerStepOut;
bool m_javaScriptPauseScheduled;
bool m_steppingFromFramework;
bool m_pausingOnNativeEvent;
bool m_pausingOnAsyncOperation;
int m_skippedStepFrameCount;
int m_recursionLevelForStepOut;
int m_recursionLevelForStepFrame;
bool m_skipAllPauses;
// This field must be destroyed before the listeners set above.
OwnPtr<V8AsyncCallTracker> m_v8AsyncCallTracker;
using AsyncOperationIdToStackTrace = protocol::HashMap<int, OwnPtr<V8StackTraceImpl>>;
AsyncOperationIdToStackTrace m_asyncOperations;
int m_lastAsyncOperationId;
protocol::HashSet<int> m_asyncOperationNotifications;
protocol::HashSet<int> m_asyncOperationBreakpoints;
protocol::HashSet<int> m_pausingAsyncOperations;
int m_maxAsyncCallStackDepth;
OwnPtr<V8StackTraceImpl> m_currentAsyncCallChain;
unsigned m_nestedAsyncCallCount;
int m_currentAsyncOperationId;
bool m_pendingTraceAsyncOperationCompleted;
bool m_startingStepIntoAsync;
protocol::HashMap<String16, protocol::Vector<std::pair<int, int>>> m_blackboxedPositions;
};
} // namespace blink
#endif // V8DebuggerAgentImpl_h
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