How to use callerName method of is Package

Best Is code snippet using is.callerName

output.go

Source:output.go Github

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...143 //log.Printf("package: %s -> %s (%s -> %s)", caller.Func.Pkg.Pkg.Name(), callee.Func.Pkg.Pkg.Name(), caller.Func.Object().Name(), caller.Func.Name(), callee.Func.Name())144 log.Printf("call node: %s -> %s", caller.String(), callee.String())145 callerPkg := caller.Func.Pkg.Pkg.Name()146 calleePkg := callee.Func.Pkg.Pkg.Name()147 callerName := strings.Split(caller.String(), "/")[len(strings.Split(caller.String(), "/"))-1]148 calleeName := strings.Split(callee.String(), "/")[len(strings.Split(callee.String(), "/"))-1]149 //针对go func(){}的情况,处理$150 callerName = strings.Split(callerName, "$")[0]151 calleeName = strings.Split(calleeName, "$")[0]152 //防止递归153 if callerName == calleeName {154 return nil155 }156 //注意类的方法,表现形式不一样:(backend/code_inspector/controller.zzz).Print157 //希望callerList和calleeList的第一个元素是package,第二个元素是function(包括类的function)158 if strings.Contains(callerName, ").") {159 callerName = strings.Replace(callerName, ").", "@", -1)160 }161 callerList := strings.Split(callerName, ".")162 if strings.Contains(calleeName, ").") {163 calleeName = strings.Replace(calleeName, ").", "@", -1)164 }165 calleeList := strings.Split(calleeName, ".")166 if v, ok := callMap[callerName]; ok {167 for _, c := range v.Callees {168 if c.Package == calleeList[0] && c.Name == calleeList[1] {169 //log.Printf("重复 call node: %s -> %s", caller, callee)170 return nil171 }172 }173 list := append(v.Callees, FuncDesc{174 calleeFile,175 calleePkg,176 calleeList[1]})177 v.Callees = list178 callMap[callerName] = v179 } else {180 callMap[callerName] = CallerRelation{181 Caller: FuncDesc{182 callerFile,183 callerPkg,184 callerList[1]},185 Callees: []FuncDesc{FuncDesc{186 calleeFile,187 calleePkg,188 calleeList[1]}}}189 }190 return nil191 })192 if err != nil {193 return nil, err194 }...

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options.go

Source:options.go Github

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...34// lower-case ASCII alphanumeric words" -- we do this here because YARPC35// will panic if caller name is invalid.36var validNameRegex = regexp.MustCompile("^[a-z]+([a-z0-9]|[^-]-)*[^-]$")37// Error message for malformed service names.38const errmsg = "callerName %s must begin with a letter and consist only of dash-separated lower-case ASCII alphanumeric words"39type callerFlag string40func (s *callerFlag) setString(value string) {41 *s = callerFlag(strings.Replace(value, ".", "-", -1))42}43// String implements the stringer interface44func (s *callerFlag) String() string {45 return string(*s)46}47func (s *callerFlag) UnmarshalFlag(value string) error {48 if value == "" || value == "dosacli-$USER" {49 value = fmt.Sprintf("dosacli-%s", strings.ToLower(os.Getenv("USER")))50 }51 s.setString(value)52 return nil...

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caller_test.go

Source:caller_test.go Github

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...5import (6 "testing"7)8var (9 testInitCallerName0 string = callerName(1)10 testInitCallerName1 string11 testInitCallerName2 string12)13func init() {14 testInitCallerName1 = callerName(1)15}16func init() {17 testInitCallerName2 = callerName(1)18}19var tCaller = func(skip int) string {20 return callerName(skip + 1)21}22func TestCallerName(t *testing.T) {23 var name string24 // init25 name = `github.com/chai2010/gettext-go/gettext.init`26 if s := testInitCallerName0; s != name {27 t.Fatalf("expect = %s, got = %s", name, s)28 }29 name = `github.com/chai2010/gettext-go/gettext.init`30 if s := testInitCallerName1; s != name {31 t.Fatalf("expect = %s, got = %s", name, s)32 }33 name = `github.com/chai2010/gettext-go/gettext.init`34 if s := testInitCallerName2; s != name {35 t.Fatalf("expect = %s, got = %s", name, s)36 }37 // tInit -> gettext.func38 name = `github.com/chai2010/gettext-go/gettext.func`39 if s := tCaller(0); s != name {40 t.Fatalf("expect = %s, got = %s", name, s)41 }42 // caller stack43 name = `github.com/chai2010/gettext-go/gettext.callerName`44 if s := callerName(0); s != name {45 t.Fatalf("expect = %s, got = %s", name, s)46 }47 name = `github.com/chai2010/gettext-go/gettext.TestCallerName`48 if s := callerName(1); s != name {49 t.Fatalf("expect = %s, got = %s", name, s)50 }51 name = `testing.tRunner`52 if s := callerName(2); s != name {53 t.Fatalf("expect = %s, got = %s", name, s)54 }55 name = `runtime.goexit`56 if s := callerName(3); s != name {57 t.Fatalf("expect = %s, got = %s", name, s)58 }59 name = ""60 if s := callerName(4); s != name {61 t.Fatalf("expect = %s, got = %s", name, s)62 }63 // closure64 func() {65 name = `github.com/chai2010/gettext-go/gettext.func`66 if s := callerName(1); s != name {67 t.Fatalf("expect = %s, got = %s", name, s)68 }69 }()70 func() {71 func() {72 name = `github.com/chai2010/gettext-go/gettext.func`73 if s := callerName(1); s != name {74 t.Fatalf("expect = %s, got = %s", name, s)75 }76 }()77 }()78}...

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callerName

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1import (2func main() {3 fmt.Println(callerName())4}5func callerName() string {6 pc, _, _, ok := runtime.Caller(1)7 if !ok {8 }9 return runtime.FuncForPC(pc).Name()10}

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callerName

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1import (2func main() {3 fmt.Println(callerName())4}5import (6func callerName() string {7 runtime.Callers(2, pc)8 f := runtime.FuncForPC(pc[0])9 return f.Name()10}11It is a bit of a hack, but you can use runtime.Caller(1) to get the name of the calling function. Here is a quick example:12import (13func main() {14 fmt.Println(getCallerName())15}16func getCallerName() string {17 pc, _, _, _ := runtime.Caller(1)18 return runtime.FuncForPC(pc).Name()19}

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callerName

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1import (2func main() {3 fmt.Println(runtime.Caller(0))4 fmt.Println(runtime.Caller(1))5 fmt.Println(runtime.Caller(2))6}7import (8func main() {9 fmt.Println(runtime.Caller(0))10 fmt.Println(runtime.Caller(1))11 fmt.Println(runtime.Caller(2))12}13import (14func main() {15 fmt.Println(runtime.Caller(0))16 fmt.Println(runtime.Caller(1))17 fmt.Println(runtime.Caller(2))18}19I have a requirement where I need to get the caller function name. I tried to use runtime.Caller(1) but it is showing the file name and line number. How can I get the caller function name?20I have a requirement where I need to get the caller function name. I tried to use runtime.Caller(1) but it is showing the file name and line number. How can I get the caller function name?21I have a requirement where I need to get the caller function name. I tried to use runtime.Caller(1) but it is showing the file name and line number. How can I get the caller function name?22I have a requirement where I need to get the caller function name. I tried to use runtime.Caller(1) but it is showing the file name and line number. How can I get the caller function name?23I have a requirement where I need to get the caller function name. I tried to use runtime.Caller(1) but it is showing the file name and line number. How can I get the caller function name?

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callerName

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1import "fmt"2func main() {3 fmt.Println(callerName())4}5import "runtime"6import "strings"7func callerName() string {8 runtime.Callers(2, pc)9 f := runtime.FuncForPC(pc[0])10 name := f.Name()11 idx := strings.LastIndex(name, ".")12 if idx == -1 {13 }14}

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callerName

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1import "fmt"2func main() {3 fmt.Println(callerName())4}5import (6func callerName() string {7 pc, _, _, _ := runtime.Caller(1)8 return filepath.Base(runtime.FuncForPC(pc).Name())9}

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callerName

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1import "fmt"2func main() {3 fmt.Println(callerName())4}5import (6func callerName() string {7 pc, _, _, ok := runtime.Caller(1)8 if !ok {9 }10 fullFuncName := runtime.FuncForPC(pc).Name()11 funcName := fullFuncName[strings.LastIndex(fullFuncName, ".")+1:]12}

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callerName

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1import (2func main() {3 fmt.Println(callerName())4}5import (6func callerName() string {7 pc, _, _, _ := runtime.Caller(1)8 return filepath.Base(runtime.FuncForPC(pc).Name())9}

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callerName

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1import "fmt"2func main() {3 fmt.Println(callerName())4}5import (6func callerName() string {7 pc, _, _, _ := runtime.Caller(1)8 return path.Base(runtim

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callerName

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1import (2func main() {3 fmt.Println("Hello World!")4 log.Println(callerName())5}6import (7func callerName() string {8 pc, _, _, _ := runtime.Caller(1)9 return strings.Split(runtime.FuncForPC(pc).Name(), ".")[1]10}

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