Module debugger

Debugger domain exposes JavaScript debugging capabilities. It allows setting and removing breakpoints, stepping through execution, exploring stack traces, etc.

Structs

• BreakLocation
• BreakLocationBuilder
• BreakpointId
  Breakpoint identifier. BreakpointId
• CallFrame
  JavaScript call frame. Array of call frames form the call stack. CallFrame
• CallFrameBuilder
• CallFrameId
  Call frame identifier. CallFrameId
• ContinueToLocationParams
  Continues execution until specific location is reached. continueToLocation
• ContinueToLocationParamsBuilder
• ContinueToLocationReturns
  Continues execution until specific location is reached. continueToLocation
• DebugSymbols
  Debug symbols available for a wasm script. DebugSymbols
• DebugSymbolsBuilder
• DisableParams
  Disables debugger for given page. disable
• DisableReturns
  Disables debugger for given page. disable
• DisassembleWasmModuleParams
• DisassembleWasmModuleParamsBuilder
• DisassembleWasmModuleReturns
• DisassembleWasmModuleReturnsBuilder
• EnableParams
  Enables debugger for the given page. Clients should not assume that the debugging has been enabled until the result for this command is received. enable
• EnableParamsBuilder
• EnableReturns
  Enables debugger for the given page. Clients should not assume that the debugging has been enabled until the result for this command is received. enable
• EnableReturnsBuilder
• EvaluateOnCallFrameParams
  Evaluates expression on a given call frame. evaluateOnCallFrame
• EvaluateOnCallFrameParamsBuilder
• EvaluateOnCallFrameReturns
  Evaluates expression on a given call frame. evaluateOnCallFrame
• EvaluateOnCallFrameReturnsBuilder
• EventBreakpointResolved
  Fired when breakpoint is resolved to an actual script and location. breakpointResolved
• EventPaused
  Fired when the virtual machine stopped on breakpoint or exception or any other stop criteria. paused
• EventResumed
  Fired when the virtual machine resumed execution. resumed
• EventScriptFailedToParse
  Fired when virtual machine fails to parse the script. scriptFailedToParse
• EventScriptParsed
  Fired when virtual machine parses script. This event is also fired for all known and uncollected scripts upon enabling debugger. scriptParsed
• GetPossibleBreakpointsParams
  Returns possible locations for breakpoint. scriptId in start and end range locations should be the same. getPossibleBreakpoints
• GetPossibleBreakpointsParamsBuilder
• GetPossibleBreakpointsReturns
  Returns possible locations for breakpoint. scriptId in start and end range locations should be the same. getPossibleBreakpoints
• GetPossibleBreakpointsReturnsBuilder
• GetScriptSourceParams
  Returns source for the script with given id. getScriptSource
• GetScriptSourceParamsBuilder
• GetScriptSourceReturns
  Returns source for the script with given id. getScriptSource
• GetScriptSourceReturnsBuilder
• GetStackTraceParams
  Returns stack trace with given stackTraceId. getStackTrace
• GetStackTraceParamsBuilder
• GetStackTraceReturns
  Returns stack trace with given stackTraceId. getStackTrace
• GetStackTraceReturnsBuilder
• Location
  Location in the source code. Location
• LocationBuilder
• LocationRange
  Location range within one script. LocationRange
• LocationRangeBuilder
• NextWasmDisassemblyChunkParams
  Disassemble the next chunk of lines for the module corresponding to the stream. If disassembly is complete, this API will invalidate the streamId and return an empty chunk. Any subsequent calls for the now invalid stream will return errors. nextWasmDisassemblyChunk
• NextWasmDisassemblyChunkParamsBuilder
• NextWasmDisassemblyChunkReturns
  Disassemble the next chunk of lines for the module corresponding to the stream. If disassembly is complete, this API will invalidate the streamId and return an empty chunk. Any subsequent calls for the now invalid stream will return errors. nextWasmDisassemblyChunk
• NextWasmDisassemblyChunkReturnsBuilder
• PauseParams
  Stops on the next JavaScript statement. pause
• PauseReturns
  Stops on the next JavaScript statement. pause
• RemoveBreakpointParams
  Removes JavaScript breakpoint. removeBreakpoint
• RemoveBreakpointParamsBuilder
• RemoveBreakpointReturns
  Removes JavaScript breakpoint. removeBreakpoint
• RestartFrameParams
  Restarts particular call frame from the beginning. The old, deprecated behavior of restartFrame is to stay paused and allow further CDP commands after a restart was scheduled. This can cause problems with restarting, so we now continue execution immediatly after it has been scheduled until we reach the beginning of the restarted frame.
• RestartFrameParamsBuilder
• RestartFrameReturns
  Restarts particular call frame from the beginning. The old, deprecated behavior of restartFrame is to stay paused and allow further CDP commands after a restart was scheduled. This can cause problems with restarting, so we now continue execution immediatly after it has been scheduled until we reach the beginning of the restarted frame.
• ResumeParams
  Resumes JavaScript execution. resume
• ResumeParamsBuilder
• ResumeReturns
  Resumes JavaScript execution. resume
• Scope
  Scope description. Scope
• ScopeBuilder
• ScriptPosition
  Location in the source code. ScriptPosition
• ScriptPositionBuilder
• SearchInContentParams
  Searches for given string in script content. searchInContent
• SearchInContentParamsBuilder
• SearchInContentReturns
  Searches for given string in script content. searchInContent
• SearchInContentReturnsBuilder
• SearchMatch
  Search match for resource. SearchMatch
• SearchMatchBuilder
• SetAsyncCallStackDepthParams
  Enables or disables async call stacks tracking. setAsyncCallStackDepth
• SetAsyncCallStackDepthParamsBuilder
• SetAsyncCallStackDepthReturns
  Enables or disables async call stacks tracking. setAsyncCallStackDepth
• SetBlackboxPatternsParams
  Replace previous blackbox patterns with passed ones. Forces backend to skip stepping/pausing in scripts with url matching one of the patterns. VM will try to leave blackboxed script by performing ‘step in’ several times, finally resorting to ‘step out’ if unsuccessful. setBlackboxPatterns
• SetBlackboxPatternsParamsBuilder
• SetBlackboxPatternsReturns
  Replace previous blackbox patterns with passed ones. Forces backend to skip stepping/pausing in scripts with url matching one of the patterns. VM will try to leave blackboxed script by performing ‘step in’ several times, finally resorting to ‘step out’ if unsuccessful. setBlackboxPatterns
• SetBlackboxedRangesParams
  Makes backend skip steps in the script in blackboxed ranges. VM will try leave blacklisted scripts by performing ‘step in’ several times, finally resorting to ‘step out’ if unsuccessful. Positions array contains positions where blackbox state is changed. First interval isn’t blackboxed. Array should be sorted. setBlackboxedRanges
• SetBlackboxedRangesParamsBuilder
• SetBlackboxedRangesReturns
  Makes backend skip steps in the script in blackboxed ranges. VM will try leave blacklisted scripts by performing ‘step in’ several times, finally resorting to ‘step out’ if unsuccessful. Positions array contains positions where blackbox state is changed. First interval isn’t blackboxed. Array should be sorted. setBlackboxedRanges
• SetBreakpointByUrlParams
  Sets JavaScript breakpoint at given location specified either by URL or URL regex. Once this command is issued, all existing parsed scripts will have breakpoints resolved and returned in locations property. Further matching script parsing will result in subsequent breakpointResolved events issued. This logical breakpoint will survive page reloads. setBreakpointByUrl
• SetBreakpointByUrlParamsBuilder
• SetBreakpointByUrlReturns
  Sets JavaScript breakpoint at given location specified either by URL or URL regex. Once this command is issued, all existing parsed scripts will have breakpoints resolved and returned in locations property. Further matching script parsing will result in subsequent breakpointResolved events issued. This logical breakpoint will survive page reloads. setBreakpointByUrl
• SetBreakpointByUrlReturnsBuilder
• SetBreakpointOnFunctionCallParams
  Sets JavaScript breakpoint before each call to the given function. If another function was created from the same source as a given one, calling it will also trigger the breakpoint. setBreakpointOnFunctionCall
• SetBreakpointOnFunctionCallParamsBuilder
• SetBreakpointOnFunctionCallReturns
  Sets JavaScript breakpoint before each call to the given function. If another function was created from the same source as a given one, calling it will also trigger the breakpoint. setBreakpointOnFunctionCall
• SetBreakpointOnFunctionCallReturnsBuilder
• SetBreakpointParams
  Sets JavaScript breakpoint at a given location. setBreakpoint
• SetBreakpointParamsBuilder
• SetBreakpointReturns
  Sets JavaScript breakpoint at a given location. setBreakpoint
• SetBreakpointReturnsBuilder
• SetBreakpointsActiveParams
  Activates / deactivates all breakpoints on the page. setBreakpointsActive
• SetBreakpointsActiveParamsBuilder
• SetBreakpointsActiveReturns
  Activates / deactivates all breakpoints on the page. setBreakpointsActive
• SetInstrumentationBreakpointParams
  Sets instrumentation breakpoint. setInstrumentationBreakpoint
• SetInstrumentationBreakpointParamsBuilder
• SetInstrumentationBreakpointReturns
  Sets instrumentation breakpoint. setInstrumentationBreakpoint
• SetInstrumentationBreakpointReturnsBuilder
• SetPauseOnExceptionsParams
  Defines pause on exceptions state. Can be set to stop on all exceptions, uncaught exceptions, or caught exceptions, no exceptions. Initial pause on exceptions state is none. setPauseOnExceptions
• SetPauseOnExceptionsParamsBuilder
• SetPauseOnExceptionsReturns
  Defines pause on exceptions state. Can be set to stop on all exceptions, uncaught exceptions, or caught exceptions, no exceptions. Initial pause on exceptions state is none. setPauseOnExceptions
• SetReturnValueParams
  Changes return value in top frame. Available only at return break position. setReturnValue
• SetReturnValueParamsBuilder
• SetReturnValueReturns
  Changes return value in top frame. Available only at return break position. setReturnValue
• SetScriptSourceParams
  Edits JavaScript source live.
• SetScriptSourceParamsBuilder
• SetScriptSourceReturns
  Edits JavaScript source live.
• SetScriptSourceReturnsBuilder
• SetSkipAllPausesParams
  Makes page not interrupt on any pauses (breakpoint, exception, dom exception etc). setSkipAllPauses
• SetSkipAllPausesParamsBuilder
• SetSkipAllPausesReturns
  Makes page not interrupt on any pauses (breakpoint, exception, dom exception etc). setSkipAllPauses
• SetVariableValueParams
  Changes value of variable in a callframe. Object-based scopes are not supported and must be mutated manually. setVariableValue
• SetVariableValueParamsBuilder
• SetVariableValueReturns
  Changes value of variable in a callframe. Object-based scopes are not supported and must be mutated manually. setVariableValue
• StepIntoParams
  Steps into the function call. stepInto
• StepIntoParamsBuilder
• StepIntoReturns
  Steps into the function call. stepInto
• StepOutParams
  Steps out of the function call. stepOut
• StepOutReturns
  Steps out of the function call. stepOut
• StepOverParams
  Steps over the statement. stepOver
• StepOverParamsBuilder
• StepOverReturns
  Steps over the statement. stepOver
• WasmDisassemblyChunk
• WasmDisassemblyChunkBuilder

Enums

• BreakLocationType
• ContinueToLocationTargetCallFrames
• DebugSymbolsType
  Type of the debug symbols.
• PausedReason
  Pause reason.
• RestartFrameMode
  The mode parameter must be present and set to ‘StepInto’, otherwise restartFrame will error out.
• ScopeType
  Scope type.
• ScriptLanguage
  Enum of possible script languages.
• SetInstrumentationBreakpointInstrumentation
  Instrumentation name.
• SetPauseOnExceptionsState
  Pause on exceptions mode.
• SetScriptSourceStatus
  Whether the operation was successful or not. Only Ok denotes a successful live edit while the other enum variants denote why the live edit failed.