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/*
* Copyright (c) 2010, Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef V8DebuggerImpl_h
#define V8DebuggerImpl_h
#include "core/CoreExport.h"
#include "core/InspectorTypeBuilder.h"
#include "core/inspector/v8/V8Debugger.h"
#include "core/inspector/v8/V8DebuggerListener.h"
#include "wtf/Forward.h"
#include "wtf/PassOwnPtr.h"
#include <v8-debug.h>
#include <v8.h>
namespace blink {
class V8DebuggerListener;
class JavaScriptCallFrame;
class CORE_EXPORT V8DebuggerImpl : public V8Debugger {
WTF_MAKE_NONCOPYABLE(V8DebuggerImpl);
public:
V8DebuggerImpl(v8::Isolate*, V8DebuggerClient*);
~V8DebuggerImpl() override;
bool enabled() const override;
void addListener(int contextGroupId, V8DebuggerListener*);
void removeListener(int contextGroupId);
String setBreakpoint(const String& sourceID, const ScriptBreakpoint&, int* actualLineNumber, int* actualColumnNumber, bool interstatementLocation);
void removeBreakpoint(const String& breakpointId);
void setBreakpointsActivated(bool);
PauseOnExceptionsState pauseOnExceptionsState() override;
void setPauseOnExceptionsState(PauseOnExceptionsState) override;
void setPauseOnNextStatement(bool) override;
bool pausingOnNextStatement() override;
bool canBreakProgram();
void breakProgram();
void continueProgram();
void stepIntoStatement();
void stepOverStatement();
void stepOutOfFunction();
void clearStepping();
bool setScriptSource(const String& sourceID, const String& newContent, bool preview, String* error, RefPtr<TypeBuilder::Debugger::SetScriptSourceError>&, v8::Global<v8::Object>* newCallFrames, TypeBuilder::OptOutput<bool>* stackChanged);
v8::Local<v8::Object> currentCallFrames();
v8::Local<v8::Object> currentCallFramesForAsyncStack();
PassRefPtr<JavaScriptCallFrame> callFrameNoScopes(int index);
int frameCount();
bool isPaused();
v8::Local<v8::Value> functionScopes(v8::Local<v8::Function>) override;
v8::Local<v8::Value> generatorObjectDetails(v8::Local<v8::Object>&) override;
v8::Local<v8::Value> collectionEntries(v8::Local<v8::Object>&) override;
v8::MaybeLocal<v8::Value> setFunctionVariableValue(v8::Local<v8::Value> functionValue, int scopeNumber, const String& variableName, v8::Local<v8::Value> newValue) override;
v8::Isolate* isolate() const { return m_isolate; }
private:
void enable();
void disable();
// Each script inherits debug data from v8::Context where it has been compiled.
// Only scripts whose debug data matches |contextGroupId| will be reported.
// Passing 0 will result in reporting all scripts.
void getCompiledScripts(int contextGroupId, Vector<V8DebuggerListener::ParsedScript>&);
V8DebuggerListener* getListenerForContext(v8::Local<v8::Context>);
void compileDebuggerScript();
v8::MaybeLocal<v8::Value> callDebuggerMethod(const char* functionName, int argc, v8::Local<v8::Value> argv[]);
v8::Local<v8::Context> debuggerContext() const;
void clearBreakpoints();
V8DebuggerListener::ParsedScript createParsedScript(v8::Local<v8::Object> sourceObject, CompileResult);
static void breakProgramCallback(const v8::FunctionCallbackInfo<v8::Value>&);
void handleProgramBreak(v8::Local<v8::Context> pausedContext, v8::Local<v8::Object> executionState, v8::Local<v8::Value> exception, v8::Local<v8::Array> hitBreakpoints, bool isPromiseRejection = false);
static void v8DebugEventCallback(const v8::Debug::EventDetails&);
v8::Local<v8::Value> callInternalGetterFunction(v8::Local<v8::Object>, const char* functionName);
void handleV8DebugEvent(const v8::Debug::EventDetails&);
v8::Local<v8::String> v8InternalizedString(const char*) const;
enum ScopeInfoDetails {
AllScopes,
FastAsyncScopes,
NoScopes // Should be the last option.
};
v8::Local<v8::Object> currentCallFramesInner(ScopeInfoDetails);
PassRefPtr<JavaScriptCallFrame> wrapCallFrames(int maximumLimit, ScopeInfoDetails);
void handleV8AsyncTaskEvent(V8DebuggerListener*, v8::Local<v8::Context>, v8::Local<v8::Object> executionState, v8::Local<v8::Object> eventData);
void handleV8PromiseEvent(V8DebuggerListener*, v8::Local<v8::Context>, v8::Local<v8::Object> executionState, v8::Local<v8::Object> eventData);
v8::Isolate* m_isolate;
V8DebuggerClient* m_client;
using ListenersMap = HashMap<int, V8DebuggerListener*>;
ListenersMap m_listenersMap;
bool m_breakpointsActivated;
v8::UniquePersistent<v8::FunctionTemplate> m_breakProgramCallbackTemplate;
v8::UniquePersistent<v8::Object> m_debuggerScript;
v8::UniquePersistent<v8::Context> m_debuggerContext;
v8::UniquePersistent<v8::FunctionTemplate> m_callFrameWrapperTemplate;
v8::Local<v8::Object> m_executionState;
v8::Local<v8::Context> m_pausedContext;
bool m_runningNestedMessageLoop;
};
} // namespace blink
#endif // V8DebuggerImpl_h
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