How to use checkFlagDefinition method of main Package

Best Syzkaller code snippet using main.checkFlagDefinition

linter.go

Source:linter.go Github

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...63 pass.checkStringLenCompare(n)64 case *ast.FuncType:65 pass.checkFuncArgs(n)66 case *ast.CallExpr:67 pass.checkFlagDefinition(n)68 pass.checkLogErrorFormat(n)69 case *ast.GenDecl:70 pass.checkVarDecl(n)71 }72 return true73 })74 for _, group := range file.Comments {75 for _, comment := range group.List {76 pass.checkComment(comment, stmts, len(group.List) == 1)77 }78 }79 }80 return nil, nil81}82type Pass analysis.Pass83func (pass *Pass) report(pos ast.Node, msg string, args ...interface{}) {84 pass.Report(analysis.Diagnostic{85 Pos: pos.Pos(),86 Message: fmt.Sprintf(msg, args...),87 })88}89func (pass *Pass) typ(e ast.Expr) types.Type {90 return pass.TypesInfo.Types[e].Type91}92// checkComment warns about C++-style multiline comments (we don't use them in the codebase)93// and about "//nospace", "// tabs and spaces", two spaces after a period, etc.94// See the following sources for some justification:95// https://pep8.org/#comments96// https://nedbatchelder.com/blog/201401/comments_should_be_sentences.html97// https://www.cultofpedagogy.com/two-spaces-after-period98func (pass *Pass) checkComment(n *ast.Comment, stmts map[int]bool, oneline bool) {99 if strings.HasPrefix(n.Text, "/*") {100 pass.report(n, "Use C-style comments // instead of /* */")101 return102 }103 if specialComment.MatchString(n.Text) {104 return105 }106 if !allowedComments.MatchString(n.Text) {107 pass.report(n, "Use either //<one-or-more-spaces>comment or //<one-or-more-tabs>comment format for comments")108 return109 }110 if strings.Contains(n.Text, ". ") {111 pass.report(n, "Use one space after a period")112 return113 }114 if !oneline || onelineExceptions.MatchString(n.Text) {115 return116 }117 // The following checks are only done for one-line comments,118 // because multi-line comment blocks are harder to understand.119 standalone := !stmts[pass.Fset.Position(n.Pos()).Line]120 if standalone && lowerCaseComment.MatchString(n.Text) {121 pass.report(n, "Standalone comments should be complete sentences"+122 " with first word capitalized and a period at the end")123 }124 if noPeriodComment.MatchString(n.Text) {125 pass.report(n, "Add a period at the end of the comment")126 return127 }128}129var (130 allowedComments = regexp.MustCompile(`^//($| +[^ ]| +[^ ])`)131 noPeriodComment = regexp.MustCompile(`^// [A-Z][a-z].+[a-z]$`)132 lowerCaseComment = regexp.MustCompile(`^// [a-z]+ `)133 onelineExceptions = regexp.MustCompile(`// want \"|http:|https:`)134 specialComment = regexp.MustCompile(`//go:generate|//go:build|//go:embed|// nolint:`)135)136// checkStringLenCompare checks for string len comparisons with 0.137// E.g.: if len(str) == 0 {} should be if str == "" {}.138func (pass *Pass) checkStringLenCompare(n *ast.BinaryExpr) {139 if n.Op != token.EQL && n.Op != token.NEQ && n.Op != token.LSS &&140 n.Op != token.GTR && n.Op != token.LEQ && n.Op != token.GEQ {141 return142 }143 if pass.isStringLenCall(n.X) && pass.isIntZeroLiteral(n.Y) ||144 pass.isStringLenCall(n.Y) && pass.isIntZeroLiteral(n.X) {145 pass.report(n, "Compare string with \"\", don't compare len with 0")146 }147}148func (pass *Pass) isStringLenCall(n ast.Expr) bool {149 call, ok := n.(*ast.CallExpr)150 if !ok || len(call.Args) != 1 {151 return false152 }153 fun, ok := call.Fun.(*ast.Ident)154 if !ok || fun.Name != "len" {155 return false156 }157 return pass.typ(call.Args[0]).String() == "string"158}159func (pass *Pass) isIntZeroLiteral(n ast.Expr) bool {160 lit, ok := n.(*ast.BasicLit)161 return ok && lit.Kind == token.INT && lit.Value == "0"162}163// checkFuncArgs checks for "func foo(a int, b int)" -> "func foo(a, b int)".164func (pass *Pass) checkFuncArgs(n *ast.FuncType) {165 pass.checkFuncArgList(n.Params.List)166 if n.Results != nil {167 pass.checkFuncArgList(n.Results.List)168 }169}170func (pass *Pass) checkFuncArgList(fields []*ast.Field) {171 firstBad := -1172 var prev types.Type173 for i, field := range fields {174 if len(field.Names) == 0 {175 pass.reportFuncArgs(fields, firstBad, i)176 firstBad, prev = -1, nil177 continue178 }179 this := pass.typ(field.Type)180 if prev != this {181 pass.reportFuncArgs(fields, firstBad, i)182 firstBad, prev = -1, this183 continue184 }185 if firstBad == -1 {186 firstBad = i - 1187 }188 }189 pass.reportFuncArgs(fields, firstBad, len(fields))190}191func (pass *Pass) reportFuncArgs(fields []*ast.Field, first, last int) {192 if first == -1 {193 return194 }195 names := ""196 for _, field := range fields[first:last] {197 for _, name := range field.Names {198 names += ", " + name.Name199 }200 }201 pass.report(fields[first], "Use '%v %v'", names[2:], fields[first].Type)202}203func (pass *Pass) checkFlagDefinition(n *ast.CallExpr) {204 fun, ok := n.Fun.(*ast.SelectorExpr)205 if !ok {206 return207 }208 switch fmt.Sprintf("%v.%v", fun.X, fun.Sel) {209 case "flag.Bool", "flag.Duration", "flag.Float64", "flag.Int", "flag.Int64",210 "flag.String", "flag.Uint", "flag.Uint64":211 default:212 return213 }214 if name, ok := stringLit(n.Args[0]); ok {215 if name != strings.ToLower(name) {216 pass.report(n, "Don't use Capital letters in flag names")217 }...

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checkFlagDefinition

Using AI Code Generation

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1import (2func main() {3 flag.IntVar(&flagvar, "flagname", 1234, "help message for flagname")4 flag.Parse()5 if flag.Lookup("flagname") == nil {6 fmt.Println("flagname is not set")7 } else {8 fmt.Println("flagname is set")9 }10}

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checkFlagDefinition

Using AI Code Generation

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1import (2func main() {3 flag.IntVar(&flagvar, "flagname", 1234, "help message for flagname")4 flag.Parse()5 fmt.Println("flagname is set to:", checkFlagDefinition("flagname"))6 fmt.Println("flagname is set to:", flagvar)7}8import (9func main() {10 flag.IntVar(&flagvar, "flagname", 1234, "help message for flagname")11 flag.Parse()12 fmt.Println("flagname is set to:", checkFlagDefinition("flagname"))13 fmt.Println("flagname is set to:", flagvar)14}15import (16func main() {17 flag.IntVar(&flagvar, "flagname", 1234, "help message for flagname")18 flag.Parse()19 fmt.Println("flagname is set to:", checkFlagDefinition("flagname"))20 fmt.Println("flagname is set to:", flagvar)21}22import (23func main() {24 flag.IntVar(&flagvar, "flagname", 1234, "help message for flagname")25 flag.Parse()26 fmt.Println("flagname is set to:", checkFlagDefinition("flagname"))27 fmt.Println("flagname is set to:", flagvar)28}29import (

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checkFlagDefinition

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1import (2func main() {3 flag.IntVar(&flagvar, "flagname", 1234, "help message for flagname")4 flag.Parse()5 flag.VisitAll(func(f *flag.Flag) {6 fmt.Println("Flag Name:", f.Name)7 fmt.Println("Flag Value:", f.Value)8 fmt.Println("Flag Usage:", f.Usage)9 fmt.Println("Flag DefValue:", f.DefValue)10 fmt.Println("Flag Value Type:", f.Value.Type())11 })12}

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checkFlagDefinition

Using AI Code Generation

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1func main() {2 checkFlagDefinition()3}4func main() {5 checkFlagDefinition()6}7func main() {8 checkFlagDefinition()9}10func main() {11 checkFlagDefinition()12}13func main() {14 checkFlagDefinition()15}16func main() {17 checkFlagDefinition()18}19func main() {20 checkFlagDefinition()21}22func main() {23 checkFlagDefinition()24}25func main() {26 checkFlagDefinition()27}28func main() {29 checkFlagDefinition()30}31func main() {32 checkFlagDefinition()33}34func main() {35 checkFlagDefinition()36}

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checkFlagDefinition

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1import (2func main() {3 fs := flag.NewFlagSet("example", flag.ContinueOnError)4 fs.String("flagname", "default", "usage")5 if fs.Lookup("flagname") != nil {6 fmt.Println("flag is defined")7 } else {8 fmt.Println("flag is not defined")9 }10}11import (12func main() {13 fs := flag.NewFlagSet("example", flag.ContinueOnError)14 fs.String("flagname", "default", "usage")15 if fs.Lookup("flagname") == nil {16 fmt.Println("flag is not defined")17 } else {18 fmt.Println("flag is defined")19 }20}

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checkFlagDefinition

Using AI Code Generation

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

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checkFlagDefinition

Using AI Code Generation

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1import (2func main() {3 var name = flag.String("name", "", "Enter your name")4 flag.Parse()5 main.checkFlagDefinition(name)6}7import (8func checkFlagDefinition(name *string) {9 if flag.Lookup("name") != nil {10 fmt.Println("Flag is defined")11 } else {12 fmt.Println("Flag is not defined")13 }14}

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checkFlagDefinition

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1import (2func main() {3 checkFlagDefinition()4 flag.Parse()5 checkFlagDefinition()6 fmt.Println("Flag is defined now")7 checkFlagDefinition()8}9import (10func checkFlagDefinition() {11 if flag.Parsed() {12 fmt.Println("Flag is already defined")13 } else {14 fmt.Println("Flag is not defined")15 }16}17import (18var flag = flag.String("flag", "default", "help message for flag")

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checkFlagDefinition

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1func main() {2 flag.Parse()3 checkFlagDefinition()4}5import (6func init() {7 flag.BoolVar(&flagDefined, "flagDefined", false, "flag to check if flag is defined")8}9func checkFlagDefinition() {10 fmt.Println(flagDefined)11}12import (13func init() {14 flag.BoolVar(&flagDefined, "flagDefined", false, "flag to check if flag is defined")15}16func checkFlagDefinition() {17 fmt.Println(flagDefined)18}19I have a main function in file 2.go and a function to check if a flag is defined in file 1.go. I am trying to use the function in file 1.go in file 2.go. I have tried importing the package in file 2.go and calling the function but it is not working. I have also tried to define the flag in file 2.go but that did not work either. I am new to go and I am not sure how to do this. Here is my code:

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checkFlagDefinition

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1import "fmt"2func main() {3 var flagDefinition = []string{"-r", "-i", "-f", "-h"}4 var flagValues = []string{"test", "-i", "test1", "-h"}5 var flagValue = checkFlagDefinition(flagDefinition, flagValues)6 fmt.Println(flagValue)7}8import "fmt"9func checkFlagDefinition(flagDefinition []string, flagValues []string) string {10 for _, flag := range flagDefinition {11 for _, value := range flagValues {12 if flag == value {13 }14 }15 }16}

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