How to use canBeArg method of compiler Package

Best Syzkaller code snippet using compiler.canBeArg

types.go

Source:types.go Github

copy

Full Screen

1// Copyright 2017 syzkaller project authors. All rights reserved.2// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.3package compiler4import (5 "fmt"6 "strconv"7 "github.com/google/syzkaller/pkg/ast"8 "github.com/google/syzkaller/prog"9)10// typeDesc is arg/field type descriptor.11type typeDesc struct {12 Names []string13 CanBeArg bool // can be argument of syscall?14 CantBeOpt bool // can't be marked as opt?15 CantBeRet bool // can't be syscall return (directly or indirectly)?16 NeedBase bool // needs base type when used as field?17 AllowColon bool // allow colon (int8:2) on fields?18 ResourceBase bool // can be resource base type?19 OptArgs int // number of optional arguments in Args array20 Args []namedArg // type arguments21 // Check does custom verification of the type (optional).22 Check func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon)23 // Varlen returns if the type is variable-length (false if not set).24 Varlen func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) bool25 // Gen generates corresponding prog.Type.26 Gen func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type27}28// typeArg describes a type argument.29type typeArg struct {30 Names []string31 Kind int // int/ident/string32 AllowColon bool // allow colon (2:3)?33 // Check does custom verification of the arg (optional).34 Check func(comp *compiler, t *ast.Type)35}36type namedArg struct {37 Name string38 Type *typeArg39}40const (41 kindAny = iota42 kindInt43 kindIdent44 kindString45)46var typeInt = &typeDesc{47 Names: []string{"int8", "int16", "int32", "int64", "int16be", "int32be", "int64be", "intptr"},48 CanBeArg: true,49 AllowColon: true,50 ResourceBase: true,51 OptArgs: 1,52 Args: []namedArg{{"range", typeArgRange}},53 Check: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) {54 typeArgBase.Type.Check(comp, t)55 },56 Gen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type {57 size, be := comp.parseIntType(t.Ident)58 kind, rangeBegin, rangeEnd := prog.IntPlain, uint64(0), uint64(0)59 if len(args) > 0 {60 kind, rangeBegin, rangeEnd = prog.IntRange, args[0].Value, args[0].Value261 }62 base.TypeSize = size63 return &prog.IntType{64 IntTypeCommon: genIntCommon(base.TypeCommon, t.Value2, be),65 Kind: kind,66 RangeBegin: rangeBegin,67 RangeEnd: rangeEnd,68 }69 },70}71var typePtr = &typeDesc{72 Names: []string{"ptr", "ptr64"},73 CanBeArg: true,74 Args: []namedArg{{"direction", typeArgDir}, {"type", typeArgType}},75 Gen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type {76 base.ArgDir = prog.DirIn // pointers are always in77 base.TypeSize = comp.ptrSize78 if t.Ident == "ptr64" {79 base.TypeSize = 880 }81 return &prog.PtrType{82 TypeCommon: base.TypeCommon,83 Type: comp.genType(args[1], "", genDir(args[0]), false),84 }85 },86}87var typeArray = &typeDesc{88 Names: []string{"array"},89 CantBeOpt: true,90 OptArgs: 1,91 Args: []namedArg{{"type", typeArgType}, {"size", typeArgRange}},92 Check: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) {93 if len(args) > 1 && args[1].Value == 0 && args[1].Value2 == 0 {94 // This is the only case that can yield 0 static type size.95 comp.error(args[1].Pos, "arrays of size 0 are not supported")96 }97 },98 Varlen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) bool {99 if comp.isVarlen(args[0]) {100 return true101 }102 if len(args) > 1 {103 return args[1].Value != args[1].Value2104 }105 return true106 },107 Gen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type {108 elemType := comp.genType(args[0], "", base.ArgDir, false)109 kind, begin, end := prog.ArrayRandLen, uint64(0), uint64(0)110 if len(args) > 1 {111 kind, begin, end = prog.ArrayRangeLen, args[1].Value, args[1].Value2112 }113 if it, ok := elemType.(*prog.IntType); ok && it.Kind == prog.IntPlain && it.TypeSize == 1 {114 // Special case: buffer is better mutated.115 bufKind := prog.BufferBlobRand116 base.TypeSize = 0117 if kind == prog.ArrayRangeLen {118 bufKind = prog.BufferBlobRange119 if begin == end {120 base.TypeSize = begin * elemType.Size()121 }122 }123 return &prog.BufferType{124 TypeCommon: base.TypeCommon,125 Kind: bufKind,126 RangeBegin: begin,127 RangeEnd: end,128 }129 }130 // TypeSize is assigned later in genStructDescs.131 return &prog.ArrayType{132 TypeCommon: base.TypeCommon,133 Type: elemType,134 Kind: kind,135 RangeBegin: begin,136 RangeEnd: end,137 }138 },139}140var typeLen = &typeDesc{141 Names: []string{"len", "bytesize", "bytesize2", "bytesize4", "bytesize8"},142 CanBeArg: true,143 CantBeOpt: true,144 CantBeRet: true,145 NeedBase: true,146 Args: []namedArg{{"len target", typeArgLenTarget}},147 Gen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type {148 var byteSize uint64149 switch t.Ident {150 case "bytesize":151 byteSize = 1152 case "bytesize2", "bytesize4", "bytesize8":153 byteSize, _ = strconv.ParseUint(t.Ident[8:], 10, 8)154 }155 return &prog.LenType{156 IntTypeCommon: base,157 Buf: args[0].Ident,158 ByteSize: byteSize,159 }160 },161}162var typeConst = &typeDesc{163 Names: []string{"const"},164 CanBeArg: true,165 CantBeOpt: true,166 NeedBase: true,167 Args: []namedArg{{"value", typeArgInt}},168 Gen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type {169 return &prog.ConstType{170 IntTypeCommon: base,171 Val: args[0].Value,172 }173 },174}175var typeArgLenTarget = &typeArg{176 Kind: kindIdent,177}178var typeFlags = &typeDesc{179 Names: []string{"flags"},180 CanBeArg: true,181 CantBeOpt: true,182 NeedBase: true,183 Args: []namedArg{{"flags", typeArgFlags}},184 Gen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type {185 name := args[0].Ident186 base.TypeName = name187 f := comp.intFlags[name]188 if len(f.Values) == 0 {189 // We can get this if all values are unsupported consts.190 return &prog.IntType{191 IntTypeCommon: base,192 Kind: prog.IntPlain,193 }194 }195 return &prog.FlagsType{196 IntTypeCommon: base,197 Vals: genIntArray(f.Values),198 }199 },200}201var typeArgFlags = &typeArg{202 Kind: kindIdent,203 Check: func(comp *compiler, t *ast.Type) {204 if comp.intFlags[t.Ident] == nil {205 comp.error(t.Pos, "unknown flags %v", t.Ident)206 return207 }208 },209}210var typeFilename = &typeDesc{211 Names: []string{"filename"},212 CantBeOpt: true,213 Varlen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) bool {214 return true215 },216 Gen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type {217 base.TypeSize = 0218 return &prog.BufferType{219 TypeCommon: base.TypeCommon,220 Kind: prog.BufferFilename,221 }222 },223}224var typeFileoff = &typeDesc{225 Names: []string{"fileoff"},226 CanBeArg: true,227 CantBeOpt: true,228 NeedBase: true,229 Gen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type {230 return &prog.IntType{231 IntTypeCommon: base,232 Kind: prog.IntFileoff,233 }234 },235}236var typeVMA = &typeDesc{237 Names: []string{"vma"},238 CanBeArg: true,239 OptArgs: 1,240 Args: []namedArg{{"size range", typeArgRange}},241 Gen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type {242 begin, end := uint64(0), uint64(0)243 if len(args) > 0 {244 begin, end = args[0].Value, args[0].Value2245 }246 base.TypeSize = comp.ptrSize247 return &prog.VmaType{248 TypeCommon: base.TypeCommon,249 RangeBegin: begin,250 RangeEnd: end,251 }252 },253}254// TODO(dvyukov): perhaps, we need something like typedefs for such types.255// So that users can introduce them as necessary without modifying compiler:256// type signalno int32[0:64]257var typeSignalno = &typeDesc{258 Names: []string{"signalno"},259 CanBeArg: true,260 CantBeOpt: true,261 Gen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type {262 base.TypeSize = 4263 return &prog.IntType{264 IntTypeCommon: base,265 Kind: prog.IntRange,266 RangeBegin: 0,267 RangeEnd: 65,268 }269 },270}271var typeCsum = &typeDesc{272 Names: []string{"csum"},273 NeedBase: true,274 CantBeOpt: true,275 CantBeRet: true,276 OptArgs: 1,277 Args: []namedArg{{"csum target", typeArgLenTarget}, {"kind", typeArgCsumType}, {"proto", typeArgInt}},278 Check: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) {279 if len(args) > 2 && genCsumKind(args[1]) != prog.CsumPseudo {280 comp.error(args[2].Pos, "only pseudo csum can have proto")281 }282 },283 Gen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type {284 var proto uint64285 if len(args) > 2 {286 proto = args[2].Value287 }288 return &prog.CsumType{289 IntTypeCommon: base,290 Buf: args[0].Ident,291 Kind: genCsumKind(args[1]),292 Protocol: proto,293 }294 },295}296var typeArgCsumType = &typeArg{297 Kind: kindIdent,298 Names: []string{"inet", "pseudo"},299}300func genCsumKind(t *ast.Type) prog.CsumKind {301 switch t.Ident {302 case "inet":303 return prog.CsumInet304 case "pseudo":305 return prog.CsumPseudo306 default:307 panic(fmt.Sprintf("unknown csum kind %q", t.Ident))308 }309}310var typeProc = &typeDesc{311 Names: []string{"proc"},312 CanBeArg: true,313 CantBeOpt: true,314 NeedBase: true,315 Args: []namedArg{{"range start", typeArgInt}, {"per-proc values", typeArgInt}},316 Check: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) {317 start := args[0].Value318 perProc := args[1].Value319 if perProc == 0 {320 comp.error(args[1].Pos, "proc per-process values must not be 0")321 return322 }323 size := base.TypeSize * 8324 if size != 64 {325 const maxPids = 32 // executor knows about this constant (MAX_PIDS)326 if start >= 1<<size {327 comp.error(args[0].Pos, "values starting from %v overflow base type", start)328 } else if start+maxPids*perProc >= 1<<size {329 comp.error(args[0].Pos, "values starting from %v with step %v overflow base type for %v procs",330 start, perProc, maxPids)331 }332 }333 },334 Gen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type {335 return &prog.ProcType{336 IntTypeCommon: base,337 ValuesStart: args[0].Value,338 ValuesPerProc: args[1].Value,339 }340 },341}342var typeText = &typeDesc{343 Names: []string{"text"},344 CantBeOpt: true,345 Args: []namedArg{{"kind", typeArgTextType}},346 Varlen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) bool {347 return true348 },349 Gen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type {350 base.TypeSize = 0351 return &prog.BufferType{352 TypeCommon: base.TypeCommon,353 Kind: prog.BufferText,354 Text: genTextType(args[0]),355 }356 },357}358var typeArgTextType = &typeArg{359 Kind: kindIdent,360 Names: []string{"x86_real", "x86_16", "x86_32", "x86_64", "arm64"},361}362func genTextType(t *ast.Type) prog.TextKind {363 switch t.Ident {364 case "x86_real":365 return prog.Text_x86_real366 case "x86_16":367 return prog.Text_x86_16368 case "x86_32":369 return prog.Text_x86_32370 case "x86_64":371 return prog.Text_x86_64372 case "arm64":373 return prog.Text_arm64374 default:375 panic(fmt.Sprintf("unknown text type %q", t.Ident))376 }377}378var typeBuffer = &typeDesc{379 Names: []string{"buffer"},380 CanBeArg: true,381 Args: []namedArg{{"direction", typeArgDir}},382 Gen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type {383 base.TypeSize = comp.ptrSize384 return &prog.PtrType{385 TypeCommon: base.TypeCommon,386 Type: &prog.BufferType{387 // BufferBlobRand is always varlen.388 TypeCommon: genCommon("", "", 0, genDir(args[0]), false),389 Kind: prog.BufferBlobRand,390 },391 }392 },393}394var typeString = &typeDesc{395 Names: []string{"string"},396 OptArgs: 2,397 Args: []namedArg{{"literal or flags", typeArgStringFlags}, {"size", typeArgInt}},398 Check: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) {399 if len(args) > 1 {400 size := args[1].Value401 vals := []string{args[0].String}402 if args[0].Ident != "" {403 vals = genStrArray(comp.strFlags[args[0].Ident].Values)404 }405 for _, s := range vals {406 s += "\x00"407 if uint64(len(s)) > size {408 comp.error(args[0].Pos, "string value %q exceeds buffer length %v",409 s, size)410 }411 }412 }413 },414 Varlen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) bool {415 return comp.stringSize(args) == 0416 },417 Gen: func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type {418 subkind := ""419 var vals []string420 if len(args) > 0 {421 if args[0].String != "" {422 vals = append(vals, args[0].String)423 } else {424 subkind = args[0].Ident425 vals = genStrArray(comp.strFlags[subkind].Values)426 }427 }428 var size uint64429 if len(args) > 1 {430 size = args[1].Value431 }432 for i, s := range vals {433 s += "\x00"434 for uint64(len(s)) < size {435 s += "\x00"436 }437 vals[i] = s438 }439 base.TypeSize = comp.stringSize(args)440 return &prog.BufferType{441 TypeCommon: base.TypeCommon,442 Kind: prog.BufferString,443 SubKind: subkind,444 Values: vals,445 }446 },447}448// stringSize returns static string size, or 0 if it is variable length.449func (comp *compiler) stringSize(args []*ast.Type) uint64 {450 switch len(args) {451 case 0:452 return 0 // a random string453 case 1:454 if args[0].String != "" {455 return uint64(len(args[0].String)) + 1 // string constant456 }457 var size uint64458 for _, s := range comp.strFlags[args[0].Ident].Values {459 s1 := uint64(len(s.Value)) + 1460 if size != 0 && size != s1 {461 return 0 // strings of different lengths462 }463 size = s1464 }465 return size // all strings have the same length466 case 2:467 return args[1].Value // have explicit length468 default:469 panic("too many string args")470 }471}472var typeArgStringFlags = &typeArg{473 Check: func(comp *compiler, t *ast.Type) {474 if t.String == "" && t.Ident == "" {475 comp.error(t.Pos, "unexpected int %v, string arg must be a string literal or string flags", t.Value)476 return477 }478 if t.Ident != "" && comp.strFlags[t.Ident] == nil {479 comp.error(t.Pos, "unknown string flags %v", t.Ident)480 return481 }482 },483}484// typeArgType is used as placeholder for any type (e.g. ptr target type).485var typeArgType = &typeArg{486 Check: func(comp *compiler, t *ast.Type) {487 panic("must not be called")488 },489}490var typeResource = &typeDesc{491 // No Names, but compiler knows how to match it.492 CanBeArg: true,493 ResourceBase: true,494 // Gen is assigned below to avoid initialization loop.495}496func init() {497 typeResource.Gen = func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type {498 // Find and generate base type to get its size.499 var baseType *ast.Type500 for r := comp.resources[t.Ident]; r != nil; {501 baseType = r.Base502 r = comp.resources[r.Base.Ident]503 }504 base.TypeSize = comp.genType(baseType, "", prog.DirIn, false).Size()505 return &prog.ResourceType{506 TypeCommon: base.TypeCommon,507 }508 }509}510var typeStruct = &typeDesc{511 // No Names, but compiler knows how to match it.512 CantBeOpt: true,513 // Varlen/Gen are assigned below due to initialization cycle.514}515func init() {516 typeStruct.Varlen = func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) bool {517 return comp.isStructVarlen(t.Ident)518 }519 typeStruct.Gen = func(comp *compiler, t *ast.Type, args []*ast.Type, base prog.IntTypeCommon) prog.Type {520 s := comp.structs[t.Ident]521 key := prog.StructKey{t.Ident, base.ArgDir}522 desc := comp.structDescs[key]523 if desc == nil {524 // Need to assign to structDescs before calling genStructDesc to break recursion.525 desc = new(prog.StructDesc)526 comp.structDescs[key] = desc527 comp.genStructDesc(desc, s, base.ArgDir)528 }529 if s.IsUnion {530 return &prog.UnionType{531 Key: key,532 FldName: base.FldName,533 StructDesc: desc,534 }535 } else {536 return &prog.StructType{537 Key: key,538 FldName: base.FldName,539 StructDesc: desc,540 }541 }542 }543}544var typeArgDir = &typeArg{545 Kind: kindIdent,546 Names: []string{"in", "out", "inout"},547}548func genDir(t *ast.Type) prog.Dir {549 switch t.Ident {550 case "in":551 return prog.DirIn552 case "out":553 return prog.DirOut554 case "inout":555 return prog.DirInOut556 default:557 panic(fmt.Sprintf("unknown direction %q", t.Ident))558 }559}560var typeArgInt = &typeArg{561 Kind: kindInt,562}563var typeArgRange = &typeArg{564 Kind: kindInt,565 AllowColon: true,566 Check: func(comp *compiler, t *ast.Type) {567 if !t.HasColon {568 t.Value2 = t.Value569 }570 if t.Value > t.Value2 {571 comp.error(t.Pos, "bad int range [%v:%v]", t.Value, t.Value2)572 }573 },574}575// Base type of const/len/etc. Same as typeInt, but can't have range.576var typeArgBase = namedArg{577 Name: "base type",578 Type: &typeArg{579 Names: []string{"int8", "int16", "int32", "int64", "int16be", "int32be", "int64be", "intptr"},580 AllowColon: true,581 Check: func(comp *compiler, t *ast.Type) {582 if t.HasColon {583 if t.Value2 == 0 {584 // This was not supported historically585 // and does not work the way C bitfields of size 0 work.586 // We could allow this, but then we need to make587 // this work the way C bitfields work.588 comp.error(t.Pos2, "bitfields of size 0 are not supported")589 }590 size, _ := comp.parseIntType(t.Ident)591 if t.Value2 > size*8 {592 comp.error(t.Pos2, "bitfield of size %v is too large for base type of size %v",593 t.Value2, size*8)594 }595 }596 },597 },598}599var (600 builtinTypes = make(map[string]*typeDesc)601 // To avoid weird cases like ptr[in, in] and ptr[out, opt].602 reservedName = map[string]bool{603 "opt": true,604 "in": true,605 "out": true,606 "inout": true,607 }608)609func init() {610 builtins := []*typeDesc{611 typeInt,612 typePtr,613 typeArray,614 typeLen,615 typeConst,616 typeFlags,617 typeFilename,618 typeFileoff,619 typeVMA,620 typeSignalno,621 typeCsum,622 typeProc,623 typeText,624 typeBuffer,625 typeString,626 typeResource,627 typeStruct,628 }629 for _, desc := range builtins {630 for _, name := range desc.Names {631 if builtinTypes[name] != nil {632 panic(fmt.Sprintf("duplicate builtin type %q", name))633 }634 builtinTypes[name] = desc635 }636 }637}...

Full Screen

Full Screen

canBeArg

Using AI Code Generation

copy

Full Screen

1import (2func main() {3 fset := token.NewFileSet()4 f, err := parser.ParseFile(fset, "1.go", nil, parser.AllErrors)5 if err != nil {6 fmt.Println(err)7 }8 fmt.Println(f.Scope.Lookup("x").Type())9 fmt.Println(f.Scope.Lookup("x").Type().Underlying())10 fmt.Println(f.Scope.Lookup("x").Type().Underlying().(*types.Basic).Kind())11 fmt.Println(f.Scope.Lookup("x").Type().Underlying().(*types.Basic).Info())12}13import (14func main() {15 fset := token.NewFileSet()16 f, err := parser.ParseFile(fset, "1.go", nil, parser.AllErrors)17 if err != nil {18 fmt.Println(err)19 }20 fmt.Println(f.Scope.Lookup("x").Type())21 fmt.Println(f.Scope.Lookup("x").Type().Underlying())22 fmt.Println(f.Scope.Lookup("x").Type().Underlying().(*types.Basic).Kind())23 fmt.Println(f.Scope.Lookup("x").Type().Underlying().(*types.Basic).Info())24}25import (26func main() {27 fset := token.NewFileSet()28 f, err := parser.ParseFile(fset, "1.go", nil, parser.AllErrors)29 if err != nil {30 fmt.Println(err)31 }32 fmt.Println(f.Scope.Lookup("x").Type())33 fmt.Println(f.Scope.Lookup("x").Type().Underlying())34 fmt.Println(f.Scope.Lookup("x").Type().Underlying().(*types.Basic).Kind())35 fmt.Println(f.Scope.Lookup("x").Type().Underlying().(*types.Basic).Info())36}37import (38func main() {

Full Screen

Full Screen

canBeArg

Using AI Code Generation

copy

Full Screen

1import (2func main() {3 if len(os.Args) != 2 {4 fmt.Println("Usage: 2.go <go file>")5 os.Exit(1)6 }7 fset := token.NewFileSet()8 astFile, err := parser.ParseFile(fset, os.Args[1], nil, parser.ParseComments)9 if err != nil {10 fmt.Println(err)11 os.Exit(1)12 }13 conf := loader.Config{ParserMode: parser.ParseComments}14 conf.CreateFromFilenames("main", os.Args[1])15 program, err := conf.Load()16 if err != nil {17 fmt.Println(err)18 os.Exit(1)19 }20 info := program.InitialPackages()[0].Info21 var visitor func(ast.Node)22 visitor = func(n ast.Node) {23 switch x := n.(type) {24 for _, p := range x.Type.Params.List {25 for _, name := range p.Names {26 if !types.IsInterface(info.TypeOf(p.Type)) {27 }28 if !info.ObjectOf(name).(*types.Var).IsField() {29 }30 if !types.CanBeArg(info.TypeOf(p.Type)) {31 fmt.Printf("%s:%d: %s: %s32", os.Args[1], fset.Position(name.Pos()).Line, name.Name, info.TypeOf(p.Type))33 }34 }35 }36 }37 ast.Inspect(n, visitor)38 }39 visitor(astFile)40}41import (42func main() {43 if len(os.Args) != 2 {44 fmt.Println("Usage: 1.go <go file>")45 os.Exit(1)46 }47 fset := token.NewFileSet()48 astFile, err := parser.ParseFile(fset, os.Args[1], nil, parser.ParseComments)

Full Screen

Full Screen

canBeArg

Using AI Code Generation

copy

Full Screen

1import (2func main() {3 fmt.Println("Hello, playground")4}5import (6func main() {7 fmt.Println("Hello, playground")8}9import (10func main() {11 fmt.Println("Hello, playground")12}13import (14func main() {15 fmt.Println("Hello, playground")16}17import (18func main() {19 fmt.Println("Hello, playground")20}21import (22func main() {23 fmt.Println("Hello, playground")24}25import (26func main() {27 fmt.Println("Hello, playground")28}29import (30func main() {31 fmt.Println("Hello, playground")32}33import (34func main() {35 fmt.Println("Hello, playground")36}37import (38func main() {39 fmt.Println("Hello, playground")40}41import (42func main() {43 fmt.Println("Hello, playground")44}45import (46func main() {47 fmt.Println("Hello, playground")48}49import (50func main() {51 fmt.Println("Hello,

Full Screen

Full Screen

canBeArg

Using AI Code Generation

copy

Full Screen

1import (2type compiler struct {3}4func (c compiler) canBeArg(v interface{}) bool {5 return reflect.TypeOf(v).Kind() == reflect.String6}7func main() {8 c := compiler{}9}10import (11type compiler struct {12}13func (c *compiler) canBeArg(v interface{}) bool {14 return reflect.TypeOf(v).Kind() == reflect.String15}16func main() {17 c := compiler{}18}19import (20type compiler struct {21}22func (c compiler) canBeArg(v interface{}) bool {23 return reflect.TypeOf(v).Kind() == reflect.String24}

Full Screen

Full Screen

canBeArg

Using AI Code Generation

copy

Full Screen

1import "fmt"2func main() {3 fmt.Println("Hello, playground")4 compiler := new(Compiler)5 compiler.canBeArg("a")6}7import "fmt"8func main() {9 fmt.Println("Hello, playground")10 compiler := new(Compiler)11 compiler.canBeArg("a")12}13import "fmt"14func main() {15 fmt.Println("Hello, playground")16 compiler := new(Compiler)17 compiler.canBeArg("a")18}19import "fmt"20func main() {21 fmt.Println("Hello, playground")22 compiler := new(Compiler)23 compiler.canBeArg("a")24}25import "fmt"26func main() {27 fmt.Println("Hello, playground")28 compiler := new(Compiler)29 compiler.canBeArg("a")30}31import "fmt"32func main() {33 fmt.Println("Hello, playground")34 compiler := new(Compiler)35 compiler.canBeArg("a")36}37import "fmt"38func main() {39 fmt.Println("Hello, playground")40 compiler := new(Compiler)41 compiler.canBeArg("a")42}43import "fmt"44func main() {45 fmt.Println("Hello, playground")46 compiler := new(Compiler)47 compiler.canBeArg("a")48}49import "fmt"50func main() {51 fmt.Println("Hello, playground")52 compiler := new(Compiler)53 compiler.canBeArg("a")54}55import "fmt"56func main() {

Full Screen

Full Screen

canBeArg

Using AI Code Generation

copy

Full Screen

1import (2func main() {3 fmt.Println(compiler.canBeArg(1))4}5/home/abc/go/src/2.go:9: compiler.canBeArg undefined (type compiler has no field or method canBeArg)6The correct way to import the external package is as follows:7import "github.com/abc/compiler"8import "compiler"9import "compiler"10import "compiler"11import "compiler"12import "compiler"13import "compiler"14The above line will import the compiler package

Full Screen

Full Screen

canBeArg

Using AI Code Generation

copy

Full Screen

1import "fmt"2func main(){3 fmt.Println("Enter a number: ")4 fmt.Scanf("%d", &x)5 fmt.Println("The number is: ", x)6 fmt.Println("The number is even: ", compiler.canBeArg(x))7}8import "fmt"9type compiler struct{10}11func (c *compiler) canBeArg(x int) bool{12}13import "fmt"14import "1"15func main(){16 fmt.Println("Enter a number: ")17 fmt.Scanf("%d", &x)18 fmt.Println("The number is: ", x)19 fmt.Println("The number is even: ", compiler.canBeArg(x))20}

Full Screen

Full Screen

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

Run Syzkaller automation tests on LambdaTest cloud grid

Perform automation testing on 3000+ real desktop and mobile devices online.

... View sample repo... View DocumentationSign up Free
›
_

Most used method in

Try LambdaTest Now !!

Get 100 minutes of automation test minutes FREE!!

...
Sign up with GoogleSign up with Email
Next-Gen App & Browser Testing Cloud

Was this article helpful?

Helpful

NotHelpful