How to use checkLogErrorFormat method of main Package

Best Syzkaller code snippet using main.checkLogErrorFormat

linter.go

Source:linter.go

...63				pass.checkStringLenCompare(n)64			case *ast.FuncType:65				pass.checkFuncArgs(n)66			case *ast.CallExpr:67				pass.checkLogErrorFormat(n)68			case *ast.GenDecl:69				pass.checkVarDecl(n)70			}71			return true72		})73		for _, group := range file.Comments {74			for _, comment := range group.List {75				pass.checkComment(comment, stmts, len(group.List) == 1)76			}77		}78	}79	return nil, nil80}81type Pass analysis.Pass82func (pass *Pass) report(pos ast.Node, msg string, args ...interface{}) {83	pass.Report(analysis.Diagnostic{84		Pos:     pos.Pos(),85		Message: fmt.Sprintf(msg, args...),86	})87}88func (pass *Pass) typ(e ast.Expr) types.Type {89	return pass.TypesInfo.Types[e].Type90}91// checkComment warns about C++-style multiline comments (we don't use them in the codebase)92// and about "//nospace", "// 	tabs and spaces", two spaces after a period, etc.93// See the following sources for some justification:94// https://pep8.org/#comments95// https://nedbatchelder.com/blog/201401/comments_should_be_sentences.html96// https://www.cultofpedagogy.com/two-spaces-after-period97func (pass *Pass) checkComment(n *ast.Comment, stmts map[int]bool, oneline bool) {98	if strings.HasPrefix(n.Text, "/*") {99		pass.report(n, "Use C-style comments // instead of /* */")100		return101	}102	if specialComment.MatchString(n.Text) {103		return104	}105	if !allowedComments.MatchString(n.Text) {106		pass.report(n, "Use either //<one-or-more-spaces>comment or //<one-or-more-tabs>comment format for comments")107		return108	}109	if strings.Contains(n.Text, ".  ") {110		pass.report(n, "Use one space after a period")111		return112	}113	if !oneline || onelineExceptions.MatchString(n.Text) {114		return115	}116	// The following checks are only done for one-line comments,117	// because multi-line comment blocks are harder to understand.118	standalone := !stmts[pass.Fset.Position(n.Pos()).Line]119	if standalone && lowerCaseComment.MatchString(n.Text) {120		pass.report(n, "Standalone comments should be complete sentences"+121			" with first word capitalized and a period at the end")122	}123	if noPeriodComment.MatchString(n.Text) {124		pass.report(n, "Add a period at the end of the comment")125		return126	}127}128var (129	allowedComments   = regexp.MustCompile(`^//($|	+[^ 	]| +[^ 	])`)130	noPeriodComment   = regexp.MustCompile(`^// [A-Z][a-z].+[a-z]$`)131	lowerCaseComment  = regexp.MustCompile(`^// [a-z]+ `)132	onelineExceptions = regexp.MustCompile(`// want \"|http:|https:`)133	specialComment    = regexp.MustCompile(`//go:generate|// nolint:`)134)135// checkStringLenCompare checks for string len comparisons with 0.136// E.g.: if len(str) == 0 {} should be if str == "" {}.137func (pass *Pass) checkStringLenCompare(n *ast.BinaryExpr) {138	if n.Op != token.EQL && n.Op != token.NEQ && n.Op != token.LSS &&139		n.Op != token.GTR && n.Op != token.LEQ && n.Op != token.GEQ {140		return141	}142	if pass.isStringLenCall(n.X) && pass.isIntZeroLiteral(n.Y) ||143		pass.isStringLenCall(n.Y) && pass.isIntZeroLiteral(n.X) {144		pass.report(n, "Compare string with \"\", don't compare len with 0")145	}146}147func (pass *Pass) isStringLenCall(n ast.Expr) bool {148	call, ok := n.(*ast.CallExpr)149	if !ok || len(call.Args) != 1 {150		return false151	}152	fun, ok := call.Fun.(*ast.Ident)153	if !ok || fun.Name != "len" {154		return false155	}156	return pass.typ(call.Args[0]).String() == "string"157}158func (pass *Pass) isIntZeroLiteral(n ast.Expr) bool {159	lit, ok := n.(*ast.BasicLit)160	return ok && lit.Kind == token.INT && lit.Value == "0"161}162// checkFuncArgs checks for "func foo(a int, b int)" -> "func foo(a, b int)".163func (pass *Pass) checkFuncArgs(n *ast.FuncType) {164	pass.checkFuncArgList(n.Params.List)165	if n.Results != nil {166		pass.checkFuncArgList(n.Results.List)167	}168}169func (pass *Pass) checkFuncArgList(fields []*ast.Field) {170	firstBad := -1171	var prev types.Type172	for i, field := range fields {173		if len(field.Names) == 0 {174			pass.reportFuncArgs(fields, firstBad, i)175			firstBad, prev = -1, nil176			continue177		}178		this := pass.typ(field.Type)179		if prev != this {180			pass.reportFuncArgs(fields, firstBad, i)181			firstBad, prev = -1, this182			continue183		}184		if firstBad == -1 {185			firstBad = i - 1186		}187	}188	pass.reportFuncArgs(fields, firstBad, len(fields))189}190func (pass *Pass) reportFuncArgs(fields []*ast.Field, first, last int) {191	if first == -1 {192		return193	}194	names := ""195	for _, field := range fields[first:last] {196		for _, name := range field.Names {197			names += ", " + name.Name198		}199	}200	pass.report(fields[first], "Use '%v %v'", names[2:], fields[first].Type)201}202// checkLogErrorFormat warns about log/error messages starting with capital letter or ending with a period.203func (pass *Pass) checkLogErrorFormat(n *ast.CallExpr) {204	fun, ok := n.Fun.(*ast.SelectorExpr)205	if !ok {206		return207	}208	arg := 0209	switch fmt.Sprintf("%v.%v", fun.X, fun.Sel) {210	case "log.Print", "log.Printf", "log.Fatal", "log.Fatalf", "fmt.Error", "fmt.Errorf":211		arg = 0212	case "log.Logf":213		arg = 1214	default:215		return216	}217	lit, ok := n.Args[arg].(*ast.BasicLit)...

checkLogErrorFormat

Using AI Code Generation

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, playground")52}53import (54func main() {55	fmt.Println("Hello, playground")56}57import (

checkLogErrorFormat

Using AI Code Generation

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

checkLogErrorFormat

Using AI Code Generation

1main.checkLogErrorFormat("Error: ", err)2main.checkLogErrorFormat("Error: ", err)3main.checkLogErrorFormat("Error: ", err)4main.checkLogErrorFormat("Error: ", err)5main.checkLogErrorFormat("Error: ", err)6main.checkLogErrorFormat("Error: ", err)7main.checkLogErrorFormat("Error: ", err)8main.checkLogErrorFormat("Error: ", err)9main.checkLogErrorFormat("Error: ", err)10main.checkLogErrorFormat("Error: ", err)11main.checkLogErrorFormat("Error: ", err)12main.checkLogErrorFormat("Error: ", err)13main.checkLogErrorFormat("Error: ", err)14main.checkLogErrorFormat("Error: ", err)15main.checkLogErrorFormat("Error: ", err)16main.checkLogErrorFormat("Error: ", err)

checkLogErrorFormat

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello, playground")4    checkLogErrorFormat()5}6import "fmt"7func checkLogErrorFormat() {8    fmt.Println("Hello, playground")9}10import "fmt"11type MyStruct struct {12}13func (m *MyStruct) checkLogErrorFormat() {14    fmt.Println("Hello, playground")15}16import "fmt"17type MyStruct struct {18}19func (m *MyStruct) checkLogErrorFormat() {20    fmt.Println("Hello, playground")21}22func main() {23    fmt.Println("Hello, playground")24}25import "fmt"26type MyStruct struct {27}28func (m *MyStruct) checkLogErrorFormat() {29    fmt.Println("Hello, playground")30}31func main() {32    fmt.Println("Hello, playground")33    m := MyStruct{a: 1}34    m.checkLogErrorFormat()35}36import "fmt"37type MyStruct struct {38}39func (m *MyStruct) checkLogErrorFormat() {40    fmt.Println("Hello, playground")41}42func main() {43    fmt.Println("Hello, playground")44    m := MyStruct{a: 1}45    m.checkLogErrorFormat()46    m2 := MyStruct{a: 2}47    m2.checkLogErrorFormat()48}49import "fmt"50type MyStruct struct {51}52func (m *MyStruct) checkLogErrorFormat() {53    fmt.Println("Hello, playground")54}55func main() {56    fmt.Println("Hello, playground")57    m := MyStruct{a: 1}58    m.checkLogErrorFormat()59    m2 := MyStruct{a: 2}60    m2.checkLogErrorFormat()61    m3 := MyStruct{a: 3}62    m3.checkLogErrorFormat()63}64import "fmt"65type MyStruct struct {66}67func (m *MyStruct) checkLogErrorFormat() {68    fmt.Println("Hello, playground")69}

checkLogErrorFormat

Using AI Code Generation

1func main() {2    checkLogErrorFormat()3}4func checkLogErrorFormat() {5}6func checkLogErrorFormat() {7}8func checkLogErrorFormat() {9}10func checkLogErrorFormat() {11}12func checkLogErrorFormat() {13}14func checkLogErrorFormat() {15}16func checkLogErrorFormat() {17}18func checkLogErrorFormat() {19}20func checkLogErrorFormat() {21}22func checkLogErrorFormat() {23}24func checkLogErrorFormat() {25}26func checkLogErrorFormat() {27}28func checkLogErrorFormat() {

checkLogErrorFormat

Using AI Code Generation

1import (2func main() {3     f, err := os.Open("test.txt")4     if err != nil {5          log.Fatal(err)6     }7     log.Println(f)8}9import (10func main() {11     f, err := os.Open("test.txt")12     if err != nil {13          log.Fatalln(err)14     }15     log.Println(f)16}17import (18func main() {19     f, err := os.Open("test.txt")20     if err != nil {21          log.Panic(err)22     }23     log.Println(f)24}25import (26func main() {27     f, err := os.Open("test.txt")28     if err != nil {29          log.Panicln(err)30     }31     log.Println(f)32}33import (34func main() {35     f, err := os.Open("test.txt")36     if err != nil {37          log.Panicf("%v", err)38     }39     log.Println(f)40}41import (42func main() {43     f, err := os.Open("test.txt")44     if err != nil {45          log.Printf("%v", err)46     }47     log.Println(f)48}49import (50func main() {51     f, err := os.Open("test.txt")52     if err != nil {53          log.Printf("%s", err

checkLogErrorFormat

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello World")4	file, err := os.Open("test.txt")5	checkLogErrorFormat(err, "Error opening file")6	defer file.Close()7}8import (9func main() {10	fmt.Println("Hello World")11	file, err := os.Open("test.txt")12	checkLogErrorFormat(err, "Error opening file")13	defer file.Close()14}15import (16func main() {17	fmt.Println("Hello World")18	file, err := os.Open("test.txt")19	checkLogErrorFormat(err, "Error opening file")20	defer file.Close()21}22import (23func main() {24	fmt.Println("Hello World")25	file, err := os.Open("test.txt")26	checkLogErrorFormat(err, "Error opening file")27	defer file.Close()28}29import (30func main() {31	fmt.Println("Hello World")32	file, err := os.Open("test.txt")33	checkLogErrorFormat(err, "Error opening file")34	defer file.Close()35}36import (37func main() {38	fmt.Println("Hello World")39	file, err := os.Open("test.txt")40	checkLogErrorFormat(err, "Error opening file")41	defer file.Close()42}43import (44func main() {45	fmt.Println("Hello World")46	file, err := os.Open("test.txt")47	checkLogErrorFormat(err, "Error opening file")48	defer file.Close()49}

checkLogErrorFormat

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("In main")4    mainObj := main{}5    mainObj.checkLogErrorFormat("Error: %s", "Error message")6}7import "fmt"8func (m main) checkLogErrorFormat(format string, args ...interface{}) {9    fmt.Printf(format, args...)10}

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