Version: v1.9.1 Latest Latest

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Published: Aug 23, 2022 License: MIT Imports: 17 Imported by: 14




View Source
const (
	FglRuntimeCurrent = FormatGoroutineLoc(iota)
View Source
const (
	// VariableEscaped is set for local variables that escaped to the heap
	// The compiler performs escape analysis on local variables, the variables
	// that may outlive the stack frame are allocated on the heap instead and
	// only the address is recorded on the stack. These variables will be
	// marked with this flag.
	VariableEscaped = 1 << iota

	// VariableShadowed is set for local variables that are shadowed by a
	// variable with the same name in another scope

	// VariableConstant means this variable is a constant value

	// VariableArgument means this variable is a function argument

	// VariableReturnArgument means this variable is a function return value

	// VariableFakeAddress means the address of this variable is either fake
	// (i.e. the variable is partially or completely stored in a CPU register
	// and doesn't have a real address) or possibly no longer available (because
	// the variable is the return value of a function call and allocated on a
	// frame that no longer exists)

	// VariableCPtr means the variable is a C pointer

	// VariableCPURegister means this variable is a CPU register.
View Source
const (
	GoroutineWaiting = proc.Gwaiting
	GoroutineSyscall = proc.Gsyscall
View Source
const (
	// Continue resumes process execution.
	Continue = "continue"
	// Rewind resumes process execution backwards (target must be a recording).
	Rewind = "rewind"
	// DirectionCongruentContinue resumes process execution, if a reverse next, step or stepout operation is in progress it will resume execution backward.
	DirectionCongruentContinue = "directionCongruentContinue"
	// Step continues to next source line, entering function calls.
	Step = "step"
	// ReverseStep continues backward to the previous line of source code, entering function calls.
	ReverseStep = "reverseStep"
	// StepOut continues to the return address of the current function
	StepOut = "stepOut"
	// ReverseStepOut continues backward to the calle rof the current function.
	ReverseStepOut = "reverseStepOut"
	// StepInstruction continues for exactly 1 cpu instruction.
	StepInstruction = "stepInstruction"
	// ReverseStepInstruction reverses execution for exactly 1 cpu instruction.
	ReverseStepInstruction = "reverseStepInstruction"
	// Next continues to the next source line, not entering function calls.
	Next = "next"
	// ReverseNext continues backward to the previous line of source code, not entering function calls.
	ReverseNext = "reverseNext"
	// SwitchThread switches the debugger's current thread context.
	SwitchThread = "switchThread"
	// SwitchGoroutine switches the debugger's current thread context to the thread running the specified goroutine
	SwitchGoroutine = "switchGoroutine"
	// Halt suspends the process.
	// The effect of Halt while the target process is stopped, or in the
	// process of stopping, is operating system and timing dependent. It will
	// either have no effect or cause the following resume to stop immediately.
	Halt = "halt"
	// Call resumes process execution injecting a function call.
	Call = "call"
View Source
const (
	// GNUFlavour will disassemble using GNU assembly syntax.
	GNUFlavour = AssemblyFlavour(proc.GNUFlavour)
	// IntelFlavour will disassemble using Intel assembly syntax.
	IntelFlavour = AssemblyFlavour(proc.IntelFlavour)
	// GoFlavour will disassemble using Go assembly syntax.
	GoFlavour = AssemblyFlavour(proc.GoFlavour)


View Source
var ErrNotExecutable = errors.New("not an executable file")

ErrNotExecutable is an error returned when trying to debug a non-executable file.


func ConvertPhysicalBreakpoints added in v1.9.0

func ConvertPhysicalBreakpoints(b *Breakpoint, bps []*proc.Breakpoint)

ConvertPhysicalBreakpoints adds informations from physical breakpoints to an API breakpoint.

func LoadConfigToProc

func LoadConfigToProc(cfg *LoadConfig) *proc.LoadConfig

LoadConfigToProc converts an api.LoadConfig to proc.LoadConfig.

func PrettyExamineMemory added in v1.4.1

func PrettyExamineMemory(address uintptr, memArea []byte, isLittleEndian bool, format byte, size int) string

PrettyExamineMemory examine the memory and format data

`format` specifies the data format (or data type), `size` specifies size of each data, like 4byte integer, 1byte character, etc. `count` specifies the number of values.

func PrettyTypeName added in v1.5.1

func PrettyTypeName(typ godwarf.Type) string

func PrintStack added in v1.7.0

func PrintStack(formatPath func(string) string, out io.Writer, stack []Stackframe, ind string, offsets bool, include func(Stackframe) bool)

func ValidBreakpointName

func ValidBreakpointName(name string) error

ValidBreakpointName returns an error if the name to be chosen for a breakpoint is invalid. The name can not be just a number, and must contain a series of letters or numbers.

func VariableValueAsString added in v1.5.1

func VariableValueAsString(v *proc.Variable) string


type Ancestor added in v1.3.0

type Ancestor struct {
	ID    int64
	Stack []Stackframe

	Unreadable string

Ancestor represents a goroutine ancestor

type AsmInstruction

type AsmInstruction struct {
	// Loc is the location of this instruction
	Loc Location
	// Destination of CALL instructions
	DestLoc *Location
	// Text is the formatted representation of the instruction
	Text string
	// Bytes is the instruction as read from memory
	Bytes []byte
	// If Breakpoint is true a breakpoint is set at this instruction
	Breakpoint bool
	// In AtPC is true this is the instruction the current thread is stopped at
	AtPC bool

AsmInstruction represents one assembly instruction at some address

func ConvertAsmInstruction

func ConvertAsmInstruction(inst proc.AsmInstruction, text string) AsmInstruction

ConvertAsmInstruction converts from proc.AsmInstruction to api.AsmInstruction.

type AsmInstructions

type AsmInstructions []AsmInstruction

AsmInstructions is a slice of single instructions.

type AssemblyFlavour

type AssemblyFlavour int

AssemblyFlavour describes the output of disassembled code.

type Breakpoint

type Breakpoint struct {
	// ID is a unique identifier for the breakpoint.
	ID int `json:"id"`
	// User defined name of the breakpoint.
	Name string `json:"name"`
	// Addr is deprecated, use Addrs.
	Addr uint64 `json:"addr"`
	// Addrs is the list of addresses for this breakpoint.
	Addrs []uint64 `json:"addrs"`
	// File is the source file for the breakpoint.
	File string `json:"file"`
	// Line is a line in File for the breakpoint.
	Line int `json:"line"`
	// FunctionName is the name of the function at the current breakpoint, and
	// may not always be available.
	FunctionName string `json:"functionName,omitempty"`

	// Breakpoint condition
	Cond string
	// Breakpoint hit count condition.
	// Supported hit count conditions are "NUMBER" and "OP NUMBER".
	HitCond string
	// HitCondPerG use per goroutine hitcount as HitCond operand, instead of total hitcount
	HitCondPerG bool

	// Tracepoint flag, signifying this is a tracepoint.
	Tracepoint bool `json:"continue"`
	// TraceReturn flag signifying this is a breakpoint set at a return
	// statement in a traced function.
	TraceReturn bool `json:"traceReturn"`
	// retrieve goroutine information
	Goroutine bool `json:"goroutine"`
	// number of stack frames to retrieve
	Stacktrace int `json:"stacktrace"`
	// expressions to evaluate
	Variables []string `json:"variables,omitempty"`
	// LoadArgs requests loading function arguments when the breakpoint is hit
	LoadArgs *LoadConfig
	// LoadLocals requests loading function locals when the breakpoint is hit
	LoadLocals *LoadConfig

	// WatchExpr is the expression used to create this watchpoint
	WatchExpr string
	WatchType WatchType

	VerboseDescr []string `json:"VerboseDescr,omitempty"`

	// number of times a breakpoint has been reached in a certain goroutine
	HitCount map[string]uint64 `json:"hitCount"`
	// number of times a breakpoint has been reached
	TotalHitCount uint64 `json:"totalHitCount"`
	// Disabled flag, signifying the state of the breakpoint
	Disabled bool `json:"disabled"`

	UserData interface{} `json:"-"`

Breakpoint addresses a set of locations at which process execution may be suspended.

func ConvertLogicalBreakpoint added in v1.9.0

func ConvertLogicalBreakpoint(lbp *proc.LogicalBreakpoint) *Breakpoint

ConvertLogicalBreakpoint converts a proc.LogicalBreakpoint into an API breakpoint.

type BreakpointInfo

type BreakpointInfo struct {
	Stacktrace []Stackframe `json:"stacktrace,omitempty"`
	Goroutine  *Goroutine   `json:"goroutine,omitempty"`
	Variables  []Variable   `json:"variables,omitempty"`
	Arguments  []Variable   `json:"arguments,omitempty"`
	Locals     []Variable   `json:"locals,omitempty"`

BreakpointInfo contains informations about the current breakpoint

type Checkpoint added in v1.0.0

type Checkpoint struct {
	ID    int
	When  string
	Where string

Checkpoint is a point in the program that can be returned to in certain execution modes.

type DebuggerCommand

type DebuggerCommand struct {
	// Name is the command to run.
	Name string `json:"name"`
	// ThreadID is used to specify which thread to use with the SwitchThread
	// command.
	ThreadID int `json:"threadID,omitempty"`
	// GoroutineID is used to specify which thread to use with the SwitchGoroutine
	// and Call commands.
	GoroutineID int64 `json:"goroutineID,omitempty"`
	// When ReturnInfoLoadConfig is not nil it will be used to load the value
	// of any return variables.
	ReturnInfoLoadConfig *LoadConfig
	// Expr is the expression argument for a Call command
	Expr string `json:"expr,omitempty"`

	// UnsafeCall disables parameter escape checking for function calls.
	// Go objects can be allocated on the stack or on the heap. Heap objects
	// can be used by any goroutine; stack objects can only be used by the
	// goroutine that owns the stack they are allocated on and can not surivive
	// the stack frame of allocation.
	// The Go compiler will use escape analysis to determine whether to
	// allocate an object on the stack or the heap.
	// When injecting a function call Delve will check that no address of a
	// stack allocated object is passed to the called function: this ensures
	// the rules for stack objects will not be violated.
	// If you are absolutely sure that the function you are calling will not
	// violate the rules about stack objects you can disable this safety check
	// by setting UnsafeCall to true.
	UnsafeCall bool `json:"unsafeCall,omitempty"`

DebuggerCommand is a command which changes the debugger's execution state.

type DebuggerState

type DebuggerState struct {
	// PID of the process we are debugging.
	Pid int
	// Running is true if the process is running and no other information can be collected.
	Running bool
	// Recording is true if the process is currently being recorded and no other
	// information can be collected. While the debugger is in this state
	// sending a StopRecording request will halt the recording, every other
	// request will block until the process has been recorded.
	Recording bool
	// Core dumping currently in progress.
	CoreDumping bool
	// CurrentThread is the currently selected debugger thread.
	CurrentThread *Thread `json:"currentThread,omitempty"`
	// SelectedGoroutine is the currently selected goroutine
	SelectedGoroutine *Goroutine `json:"currentGoroutine,omitempty"`
	// List of all the process threads
	Threads []*Thread
	// NextInProgress indicates that a next or step operation was interrupted by another breakpoint
	// or a manual stop and is waiting to complete.
	// While NextInProgress is set further requests for next or step may be rejected.
	// Either execute continue until NextInProgress is false or call CancelNext
	NextInProgress bool
	// WatchOutOfScope contains the list of watchpoints that went out of scope
	// during the last continue.
	WatchOutOfScope []*Breakpoint
	// Exited indicates whether the debugged process has exited.
	Exited     bool `json:"exited"`
	ExitStatus int  `json:"exitStatus"`
	// When contains a description of the current position in a recording
	When string
	// Filled by RPCClient.Continue, indicates an error
	Err error `json:"-"`

DebuggerState represents the current context of the debugger.

type Defer added in v1.1.0

type Defer struct {
	DeferredLoc Location // deferred function
	DeferLoc    Location // location of the defer statement
	SP          uint64   // value of SP when the function was deferred
	Unreadable  string

Defer describes a deferred function.

type DiscardedBreakpoint

type DiscardedBreakpoint struct {
	Breakpoint *Breakpoint
	Reason     string

DiscardedBreakpoint is a breakpoint that is not reinstated during a restart.

type DumpState added in v1.6.1

type DumpState struct {
	Dumping bool
	AllDone bool

	ThreadsDone, ThreadsTotal int
	MemDone, MemTotal         uint64

	Err string

DumpState describes the state of a core dump in progress

func ConvertDumpState added in v1.6.1

func ConvertDumpState(dumpState *proc.DumpState) *DumpState

type EvalScope

type EvalScope struct {
	GoroutineID  int64
	Frame        int
	DeferredCall int // when DeferredCall is n > 0 this eval scope is relative to the n-th deferred call in the current frame

EvalScope is the scope a command should be evaluated in. Describes the goroutine and frame number.

type FormatGoroutineLoc added in v1.8.0

type FormatGoroutineLoc int

type Function

type Function struct {
	// Name is the function name.
	Name_  string `json:"name"`
	Value  uint64 `json:"value"`
	Type   byte   `json:"type"`
	GoType uint64 `json:"goType"`
	// Optimized is true if the function was optimized
	Optimized bool `json:"optimized"`

Function represents thread-scoped function information.

func ConvertFunction

func ConvertFunction(fn *proc.Function) *Function

ConvertFunction converts from gosym.Func to api.Function.

func (*Function) Name

func (fn *Function) Name() string

Name will return the function name.

type GetVersionIn

type GetVersionIn struct {

GetVersionIn is the argument for GetVersion.

type GetVersionOut

type GetVersionOut struct {
	DelveVersion    string
	APIVersion      int
	Backend         string // backend currently in use
	TargetGoVersion string

	MinSupportedVersionOfGo string
	MaxSupportedVersionOfGo string

GetVersionOut is the result of GetVersion.

type Goroutine

type Goroutine struct {
	// ID is a unique identifier for the goroutine.
	ID int64 `json:"id"`
	// Current location of the goroutine
	CurrentLoc Location `json:"currentLoc"`
	// Current location of the goroutine, excluding calls inside runtime
	UserCurrentLoc Location `json:"userCurrentLoc"`
	// Location of the go instruction that started this goroutine
	GoStatementLoc Location `json:"goStatementLoc"`
	// Location of the starting function
	StartLoc Location `json:"startLoc"`
	// ID of the associated thread for running goroutines
	ThreadID   int    `json:"threadID"`
	Status     uint64 `json:"status"`
	WaitSince  int64  `json:"waitSince"`
	WaitReason int64  `json:"waitReason"`
	Unreadable string `json:"unreadable"`
	// Goroutine's pprof labels
	Labels map[string]string `json:"labels,omitempty"`

Goroutine represents the information relevant to Delve from the runtime's internal G structure.

func ConvertGoroutine

func ConvertGoroutine(tgt *proc.Target, g *proc.G) *Goroutine

ConvertGoroutine converts from proc.G to api.Goroutine.

func ConvertGoroutines added in v1.5.1

func ConvertGoroutines(tgt *proc.Target, gs []*proc.G) []*Goroutine

ConvertGoroutines converts from []*proc.G to []*api.Goroutine.

type GoroutineField added in v1.7.0

type GoroutineField uint8

GoroutineField allows referring to a field of a goroutine object.

const (
	GoroutineFieldNone  GoroutineField = iota
	GoroutineCurrentLoc                // the goroutine's CurrentLoc
	GoroutineUserLoc                   // the goroutine's UserLoc
	GoroutineGoLoc                     // the goroutine's GoStatementLoc
	GoroutineStartLoc                  // the goroutine's StartLoc
	GoroutineLabel                     // the goroutine's label
	GoroutineRunning                   // the goroutine is running
	GoroutineUser                      // the goroutine is a user goroutine

type GoroutineGroup added in v1.7.0

type GoroutineGroup struct {
	Name   string // name of this group
	Offset int    // start offset in the list of goroutines of this group
	Count  int    // number of goroutines that belong to this group in the list of goroutines
	Total  int    // total number of goroutines that belong to this group

GoroutineGroup represents a group of goroutines in the return value of the ListGoroutines API call.

type GoroutineGroupingOptions added in v1.7.0

type GoroutineGroupingOptions struct {
	GroupBy         GoroutineField
	GroupByKey      string
	MaxGroupMembers int
	MaxGroups       int

type Image added in v1.3.0

type Image struct {
	Path    string
	Address uint64

Image represents a loaded shared object (go plugin or shared library)

func ConvertImage added in v1.3.0

func ConvertImage(image *proc.Image) Image

type ListGoroutinesFilter added in v1.7.0

type ListGoroutinesFilter struct {
	Kind    GoroutineField
	Negated bool
	Arg     string

ListGoroutinesFilter describes a filtering condition for the ListGoroutines API call.

type LoadConfig

type LoadConfig struct {
	// FollowPointers requests pointers to be automatically dereferenced.
	FollowPointers bool
	// MaxVariableRecurse is how far to recurse when evaluating nested types.
	MaxVariableRecurse int
	// MaxStringLen is the maximum number of bytes read from a string
	MaxStringLen int
	// MaxArrayValues is the maximum number of elements read from an array, a slice or a map.
	MaxArrayValues int
	// MaxStructFields is the maximum number of fields read from a struct, -1 will read all fields.
	MaxStructFields int

LoadConfig describes how to load values from target's memory

func LoadConfigFromProc

func LoadConfigFromProc(cfg *proc.LoadConfig) *LoadConfig

LoadConfigFromProc converts a proc.LoadConfig to api.LoadConfig.

type Location

type Location struct {
	PC       uint64    `json:"pc"`
	File     string    `json:"file"`
	Line     int       `json:"line"`
	Function *Function `json:"function,omitempty"`
	PCs      []uint64  `json:"pcs,omitempty"`

Location holds program location information. In most cases a Location object will represent a physical location, with a single PC address held in the PC field. FindLocations however returns logical locations that can either have multiple PC addresses each (due to inlining) or no PC address at all.

func ConvertLocation

func ConvertLocation(loc proc.Location) Location

ConvertLocation converts from proc.Location to api.Location.

type PackageBuildInfo added in v1.4.0

type PackageBuildInfo struct {
	ImportPath    string
	DirectoryPath string
	Files         []string

PackageBuildInfo maps an import path to a directory path.

type PrintGoroutinesFlags added in v1.8.0

type PrintGoroutinesFlags uint8
const (
	PrintGoroutinesStack PrintGoroutinesFlags = 1 << iota

type Register

type Register struct {
	Name        string
	Value       string
	DwarfNumber int

Register holds information on a CPU register.

func ConvertRegisters

func ConvertRegisters(in *op.DwarfRegisters, dwarfRegisterToString func(int, *op.DwarfRegister) (string, bool, string), floatingPoint bool) (out []Register)

ConvertRegisters converts proc.Register to api.Register for a slice.

type Registers

type Registers []Register

Registers is a list of CPU registers.

func (Registers) String

func (regs Registers) String() string

type SetAPIVersionIn

type SetAPIVersionIn struct {
	APIVersion int

SetAPIVersionIn is the input for SetAPIVersion.

type SetAPIVersionOut

type SetAPIVersionOut struct {

SetAPIVersionOut is the output for SetAPIVersion.

type Stackframe

type Stackframe struct {
	Locals    []Variable
	Arguments []Variable

	FrameOffset        int64
	FramePointerOffset int64

	Defers []Defer

	Bottom bool `json:"Bottom,omitempty"` // Bottom is true if this is the bottom frame of the stack

	Err string

Stackframe describes one frame in a stack trace.

func (*Stackframe) Var

func (frame *Stackframe) Var(name string) *Variable

Var will return the variable described by 'name' within this stack frame.

type StacktraceOptions added in v1.3.2

type StacktraceOptions uint16

StacktraceOptions is the type of the Opts field of StacktraceIn that configures the stacktrace. Tracks proc.StacktraceOptions

const (
	// StacktraceReadDefers requests a stacktrace decorated with deferred calls
	// for each frame.
	StacktraceReadDefers StacktraceOptions = 1 << iota

	// StacktraceSimple requests a stacktrace where no stack switches will be
	// attempted.

	// StacktraceG requests a stacktrace starting with the register
	// values saved in the runtime.g structure.

type Thread

type Thread struct {
	// ID is a unique identifier for the thread.
	ID int `json:"id"`
	// PC is the current program counter for the thread.
	PC uint64 `json:"pc"`
	// File is the file for the program counter.
	File string `json:"file"`
	// Line is the line number for the program counter.
	Line int `json:"line"`
	// Function is function information at the program counter. May be nil.
	Function *Function `json:"function,omitempty"`

	// ID of the goroutine running on this thread
	GoroutineID int64 `json:"goroutineID"`

	// Breakpoint this thread is stopped at
	Breakpoint *Breakpoint `json:"breakPoint,omitempty"`
	// Informations requested by the current breakpoint
	BreakpointInfo *BreakpointInfo `json:"breakPointInfo,omitempty"`

	// ReturnValues contains the return values of the function we just stepped out of
	ReturnValues []Variable
	// CallReturn is true if ReturnValues are the return values of an injected call.
	CallReturn bool

Thread is a thread within the debugged process.

func ConvertThread

func ConvertThread(th proc.Thread, bp *Breakpoint) *Thread

ConvertThread converts a proc.Thread into an api thread.

func ConvertThreads added in v1.5.1

func ConvertThreads(threads []proc.Thread, convertBreakpoint func(proc.Thread) *Breakpoint) []*Thread

ConvertThreads converts a slice of proc.Thread into a slice of api.Thread.

type TracepointResult added in v1.7.1

type TracepointResult struct {
	// Addr is the address of this tracepoint.
	Addr uint64 `json:"addr"`
	// File is the source file for the breakpoint.
	File string `json:"file"`
	// Line is a line in File for the breakpoint.
	Line  int  `json:"line"`
	IsRet bool `json:"is_ret"`
	// FunctionName is the name of the function at the current breakpoint, and
	// may not always be available.
	FunctionName string `json:"functionName,omitempty"`

	GoroutineID int `json:"goroutineID"`

	InputParams  []Variable `json:"inputParams,omitempty"`
	ReturnParams []Variable `json:"returnParams,omitempty"`

type Variable

type Variable struct {
	// Name of the variable or struct member
	Name string `json:"name"`
	// Address of the variable or struct member
	Addr uint64 `json:"addr"`
	// Only the address field is filled (result of evaluating expressions like &<expr>)
	OnlyAddr bool `json:"onlyAddr"`
	// Go type of the variable
	Type string `json:"type"`
	// Type of the variable after resolving any typedefs
	RealType string `json:"realType"`

	Flags VariableFlags `json:"flags"`

	Kind reflect.Kind `json:"kind"`

	// Strings have their length capped at proc.maxArrayValues, use Len for the real length of a string
	// Function variables will store the name of the function in this field
	Value string `json:"value"`

	// Number of elements in an array or a slice, number of keys for a map, number of struct members for a struct, length of strings
	Len int64 `json:"len"`
	// Cap value for slices
	Cap int64 `json:"cap"`

	// Array and slice elements, member fields of structs, key/value pairs of maps, value of complex numbers
	// The Name field in this slice will always be the empty string except for structs (when it will be the field name) and for complex numbers (when it will be "real" and "imaginary")
	// For maps each map entry will have to items in this slice, even numbered items will represent map keys and odd numbered items will represent their values
	// This field's length is capped at proc.maxArrayValues for slices and arrays and 2*proc.maxArrayValues for maps, in the circumstances where the cap takes effect len(Children) != Len
	// The other length cap applied to this field is related to maximum recursion depth, when the maximum recursion depth is reached this field is left empty, contrary to the previous one this cap also applies to structs (otherwise structs will always have all their member fields returned)
	Children []Variable `json:"children"`

	// Base address of arrays, Base address of the backing array for slices (0 for nil slices)
	// Base address of the backing byte array for strings
	// address of the struct backing chan and map variables
	// address of the function entry point for function variables (0 for nil function pointers)
	Base uint64 `json:"base"`

	// Unreadable addresses will have this field set
	Unreadable string `json:"unreadable"`

	// LocationExpr describes the location expression of this variable's address
	LocationExpr string
	// DeclLine is the line number of this variable's declaration
	DeclLine int64

Variable describes a variable.

func ConvertVar

func ConvertVar(v *proc.Variable) *Variable

ConvertVar converts from proc.Variable to api.Variable.

func ConvertVars added in v1.5.1

func ConvertVars(pv []*proc.Variable) []Variable

ConvertVars converts from []*proc.Variable to []api.Variable.

func (*Variable) MultilineString

func (v *Variable) MultilineString(indent, fmtstr string) string

MultilineString returns a representation of v on multiple lines.

func (*Variable) SinglelineString

func (v *Variable) SinglelineString() string

SinglelineString returns a representation of v on a single line.

func (*Variable) SinglelineStringFormatted added in v1.6.1

func (v *Variable) SinglelineStringFormatted(fmtstr string) string

SinglelineStringFormatted returns a representation of v on a single line, using the format specified by fmtstr.

type VariableFlags added in v1.0.0

type VariableFlags uint16

VariableFlags is the type of the Flags field of Variable.

type WatchType added in v1.7.0

type WatchType uint8

WatchType is the watchpoint type

const (
	WatchRead WatchType = 1 << iota

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