Debugger API

• The Debugger Interface
  • Debugger Instances and Shadow Objects
  • Examples
• The Debugger Object
  • new Debugger([global, ...])
  • Accessor Properties of the Debugger Prototype Object
    • allowUnobservedAsmJS
    • collectCoverageInfo
    • exclusiveDebuggerOnEval
    • inspectNativeCallArguments
    • uncaughtExceptionHook
    • shouldAvoidSideEffects
  • Debugger Handler Functions
    • onNewScript(script, global)
    • onNewPromise(promise)
    • onPromiseSettled(promise)
    • onDebuggerStatement(frame)
    • onEnterFrame(frame)
    • onNativeCall(callee, reason)
    • onExceptionUnwind(frame, value)
    • sourceHandler(ASuffusionOfYellow)
    • onError(frame, report)
    • onNewGlobalObject(global)
  • Function Properties of the Debugger Prototype Object
    • addDebuggee(global)
    • addAllGlobalsAsDebuggees()
    • removeDebuggee(global)
    • removeAllDebuggees()
    • hasDebuggee(global)
    • getDebuggees()
    • getNewestFrame()
    • findSources()
    • findScripts([query])
    • findSourceURLs()
    • findObjects([query])
    • clearBreakpoint(handler)
    • clearAllBreakpoints()
    • findAllGlobals()
    • makeGlobalObjectReference(global)
    • adoptDebuggeeValue(value)
    • adoptFrame(frame)
    • adoptSource(source)
    • enableAsyncStack(global)
    • disableAsyncStack(global)
    • enableUnlimitedStacksCapturing(global)
    • disableUnlimitedStacksCapturing(global)
  • Static methods of the Debugger Object
    • isCompilableUnit(source)
• Debugger.Object
  • Accessor Properties of the Debugger.Object prototype
    • proto
    • class
    • callable
    • name
    • displayName
    • parameterNames
    • script
    • environment
    • isError
    • errorMessageName
    • errorLineNumber
    • errorColumnNumber
    • isBoundFunction
    • isArrowFunction
    • isGeneratorFunction
    • isAsyncFunction
    • isClassConstructor
    • isPromise
    • boundTargetFunction
    • boundThis
    • boundArguments
    • isProxy
    • proxyTarget
    • proxyHandler
    • promiseState
    • promiseValue
    • promiseReason
    • promiseAllocationSite
    • promiseResolutionSite
    • promiseID
    • promiseDependentPromises
    • promiseLifetime
    • promiseTimeToResolution
    • allocationSite
  • Function Properties of the Debugger.Object prototype
    • getProperty(key, [receiver])
    • setProperty(key, value<, [receiver])
    • getOwnPropertyDescriptor(key)
    • getOwnPropertyNames()
    • getOwnPropertyNamesLength()
    • getOwnPropertySymbols()
    • defineProperty(key, attributes)
    • defineProperties(properties)
    • deleteProperty(key)
    • seal()
    • freeze()
    • preventExtensions()
    • isSealed()
    • isFrozen()
    • isExtensible()
    • makeDebuggeeValue(value)
    • isSameNative(value)
    • isSameNativeWithJitInfo(value)
    • isNativeGetterWithJitInfo()
    • decompile([pretty])
    • call(this, argument, ...)
    • apply(this, arguments)
    • executeInGlobal(code, [options])
    • executeInGlobalWithBindings(code, bindings, [options])
    • createSource(options)
    • asEnvironment()
    • unwrap()
    • unsafeDereference()
    • forceLexicalInitializationByName(binding)
    • getPromiseReactions
• Debugger.Script
  • Debugger.Script for JSScripts
  • Debugger.Script for WebAssembly
  • Convention
  • Accessor Properties of the Debugger.Script Prototype Object
    • isGeneratorFunction
    • isAsyncFunction
    • isFunction
    • isModule
    • displayName
    • parameterNames
    • url
    • startLine
    • startColumn
    • lineCount
    • source
    • sourceStart
    • sourceLength
    • mainOffset
    • global
    • format
  • Function Properties of the Debugger.Script Prototype Object
    • getChildScripts()
    • getPossibleBreakpoints(query)
    • getPossibleBreakpointOffsets(query)
    • getOffsetMetadata(offset)
    • setBreakpoint(offset, handler)
    • getBreakpoints([offset])
    • clearBreakpoint(handler, [offset])
    • clearAllBreakpoints([offset])
    • getEffectfulOffsets()
    • getOffsetsCoverage():
    • isInCatchScope([offset])
    • Deprecated Debugger.Script Prototype Functions
      • getAllOffsets()
      • getAllColumnOffsets()
      • getLineOffsets(line)
      • getOffsetLocation(offset)
• Debugger.Source
  • Debugger.Source for JavaScript
  • Debugger.Source for WebAssembly
  • Convention
  • Accessor Properties of the Debugger.Source Prototype Object
    • text
    • binary
    • url
    • startLine
    • startColumn
    • id
    • sourceMapURL
    • displayURL
    • element
    • elementAttributeName
    • introductionType
    • introductionScript & introductionOffset
  • Function Properties of the Debugger.Source Prototype Object
    • reparse()
• Debugger.Environment
  • Accessor Properties of the Debugger.Environment Prototype Object
    • inspectable
    • type
    • scopeKind
    • parent
    • object
    • calleeScript
    • optimizedOut
  • Function Properties of the Debugger.Environment Prototype Object
    • names()
    • getVariable(name)
    • setVariable(name, value)
    • find(name)
• Debugger.Frame
  • Visible Frames
  • Invocation Functions and “debugger” Frames
  • Suspended Frames
  • Stepping Into Generators: The “Initial Yield”
  • Accessor Properties of the Debugger.Frame Prototype Object
    • type
    • implementation
    • this
    • older
    • olderSavedFrame
    • onStack
    • terminated
    • script
    • offset
    • environment
    • callee
    • constructing
    • arguments
    • asyncPromise
  • Handler Methods of Debugger.Frame Instances
    • onStep
    • onPop
  • Function Properties of the Debugger.Frame Prototype Object
    • eval(code, [options])
    • evalWithBindings(code, bindings, [options])
• Debugger.Memory
  • Allocation Site Tracking
  • Allocation Logging
  • Censuses
  • Accessor Properties of the Debugger.Memory.prototype Object
  • trackingAllocationSites
  • allocationSamplingProbability
  • maxAllocationsLogLength
  • allocationsLogOverflowed
  • Debugger.Memory Handler Functions
  • onGarbageCollection(statistics)
  • collections
  • reason
  • nonincrementalReason
  • gcCycleNumber
  • Function Properties of the Debugger.Memory.prototype Object
  • drainAllocationsLog()
  • takeCensus(options)
  • Memory Use Analysis Exposes Implementation Details
  • Objects
  • Strings
  • Scripts
• General Conventions
  • Properties
  • Debuggee Values
  • Debuggee Code
  • Completion Values
  • Resumption Values
  • Timestamps
  • The Debugger.DebuggeeWouldRun Exception
• Tutorial: Show Allocations Per Call Path
• Tutorial: Set a breakpoint using Debugger
• Tutorial: Evaluate an Expression When a debugger; Statement Is Executed