How to use caller method of main Package

Best Syzkaller code snippet using main.caller

encoder_test.go

Source:encoder_test.go Github

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...42 MessageKey: "msg",43 LevelKey: "level",44 NameKey: "name",45 TimeKey: "ts",46 CallerKey: "caller",47 StacktraceKey: "stacktrace",48 LineEnding: "\n",49 EncodeTime: EpochTimeEncoder,50 EncodeLevel: LowercaseLevelEncoder,51 EncodeDuration: SecondsDurationEncoder,52 EncodeCaller: ShortCallerEncoder,53 }54}55func humanEncoderConfig() EncoderConfig {56 cfg := testEncoderConfig()57 cfg.EncodeTime = ISO8601TimeEncoder58 cfg.EncodeLevel = CapitalLevelEncoder59 cfg.EncodeDuration = StringDurationEncoder60 return cfg61}62func withJSONEncoder(f func(Encoder)) {63 f(NewJSONEncoder(testEncoderConfig()))64}65func withConsoleEncoder(f func(Encoder)) {66 f(NewConsoleEncoder(humanEncoderConfig()))67}68func capitalNameEncoder(loggerName string, enc PrimitiveArrayEncoder) {69 enc.AppendString(strings.ToUpper(loggerName))70}71func TestEncoderConfiguration(t *testing.T) {72 base := testEncoderConfig()73 tests := []struct {74 desc string75 cfg EncoderConfig76 amendEntry func(Entry) Entry77 extra func(Encoder)78 expectedJSON string79 expectedConsole string80 }{81 {82 desc: "messages to be escaped",83 cfg: base,84 amendEntry: func(ent Entry) Entry {85 ent.Message = `hello\`86 return ent87 },88 expectedJSON: `{"level":"info","ts":0,"name":"main","caller":"foo.go:42","msg":"hello\\","stacktrace":"fake-stack"}` + "\n",89 expectedConsole: "0\tinfo\tmain\tfoo.go:42\thello\\\nfake-stack\n",90 },91 {92 desc: "use custom entry keys in JSON output and ignore them in console output",93 cfg: EncoderConfig{94 LevelKey: "L",95 TimeKey: "T",96 MessageKey: "M",97 NameKey: "N",98 CallerKey: "C",99 StacktraceKey: "S",100 LineEnding: base.LineEnding,101 EncodeTime: base.EncodeTime,102 EncodeDuration: base.EncodeDuration,103 EncodeLevel: base.EncodeLevel,104 EncodeCaller: base.EncodeCaller,105 },106 expectedJSON: `{"L":"info","T":0,"N":"main","C":"foo.go:42","M":"hello","S":"fake-stack"}` + "\n",107 expectedConsole: "0\tinfo\tmain\tfoo.go:42\thello\nfake-stack\n",108 },109 {110 desc: "skip level if LevelKey is omitted",111 cfg: EncoderConfig{112 LevelKey: "",113 TimeKey: "T",114 MessageKey: "M",115 NameKey: "N",116 CallerKey: "C",117 StacktraceKey: "S",118 LineEnding: base.LineEnding,119 EncodeTime: base.EncodeTime,120 EncodeDuration: base.EncodeDuration,121 EncodeLevel: base.EncodeLevel,122 EncodeCaller: base.EncodeCaller,123 },124 expectedJSON: `{"T":0,"N":"main","C":"foo.go:42","M":"hello","S":"fake-stack"}` + "\n",125 expectedConsole: "0\tmain\tfoo.go:42\thello\nfake-stack\n",126 },127 {128 desc: "skip timestamp if TimeKey is omitted",129 cfg: EncoderConfig{130 LevelKey: "L",131 TimeKey: "",132 MessageKey: "M",133 NameKey: "N",134 CallerKey: "C",135 StacktraceKey: "S",136 LineEnding: base.LineEnding,137 EncodeTime: base.EncodeTime,138 EncodeDuration: base.EncodeDuration,139 EncodeLevel: base.EncodeLevel,140 EncodeCaller: base.EncodeCaller,141 },142 expectedJSON: `{"L":"info","N":"main","C":"foo.go:42","M":"hello","S":"fake-stack"}` + "\n",143 expectedConsole: "info\tmain\tfoo.go:42\thello\nfake-stack\n",144 },145 {146 desc: "skip message if MessageKey is omitted",147 cfg: EncoderConfig{148 LevelKey: "L",149 TimeKey: "T",150 MessageKey: "",151 NameKey: "N",152 CallerKey: "C",153 StacktraceKey: "S",154 LineEnding: base.LineEnding,155 EncodeTime: base.EncodeTime,156 EncodeDuration: base.EncodeDuration,157 EncodeLevel: base.EncodeLevel,158 EncodeCaller: base.EncodeCaller,159 },160 expectedJSON: `{"L":"info","T":0,"N":"main","C":"foo.go:42","S":"fake-stack"}` + "\n",161 expectedConsole: "0\tinfo\tmain\tfoo.go:42\nfake-stack\n",162 },163 {164 desc: "skip name if NameKey is omitted",165 cfg: EncoderConfig{166 LevelKey: "L",167 TimeKey: "T",168 MessageKey: "M",169 NameKey: "",170 CallerKey: "C",171 StacktraceKey: "S",172 LineEnding: base.LineEnding,173 EncodeTime: base.EncodeTime,174 EncodeDuration: base.EncodeDuration,175 EncodeLevel: base.EncodeLevel,176 EncodeCaller: base.EncodeCaller,177 },178 expectedJSON: `{"L":"info","T":0,"C":"foo.go:42","M":"hello","S":"fake-stack"}` + "\n",179 expectedConsole: "0\tinfo\tfoo.go:42\thello\nfake-stack\n",180 },181 {182 desc: "skip caller if CallerKey is omitted",183 cfg: EncoderConfig{184 LevelKey: "L",185 TimeKey: "T",186 MessageKey: "M",187 NameKey: "N",188 CallerKey: "",189 StacktraceKey: "S",190 LineEnding: base.LineEnding,191 EncodeTime: base.EncodeTime,192 EncodeDuration: base.EncodeDuration,193 EncodeLevel: base.EncodeLevel,194 EncodeCaller: base.EncodeCaller,195 },196 expectedJSON: `{"L":"info","T":0,"N":"main","M":"hello","S":"fake-stack"}` + "\n",197 expectedConsole: "0\tinfo\tmain\thello\nfake-stack\n",198 },199 {200 desc: "skip stacktrace if StacktraceKey is omitted",201 cfg: EncoderConfig{202 LevelKey: "L",203 TimeKey: "T",204 MessageKey: "M",205 NameKey: "N",206 CallerKey: "C",207 StacktraceKey: "",208 LineEnding: base.LineEnding,209 EncodeTime: base.EncodeTime,210 EncodeDuration: base.EncodeDuration,211 EncodeLevel: base.EncodeLevel,212 EncodeCaller: base.EncodeCaller,213 },214 expectedJSON: `{"L":"info","T":0,"N":"main","C":"foo.go:42","M":"hello"}` + "\n",215 expectedConsole: "0\tinfo\tmain\tfoo.go:42\thello\n",216 },217 {218 desc: "use the supplied EncodeTime, for both the entry and any times added",219 cfg: EncoderConfig{220 LevelKey: "L",221 TimeKey: "T",222 MessageKey: "M",223 NameKey: "N",224 CallerKey: "C",225 StacktraceKey: "S",226 LineEnding: base.LineEnding,227 EncodeTime: func(t time.Time, enc PrimitiveArrayEncoder) { enc.AppendString(t.String()) },228 EncodeDuration: base.EncodeDuration,229 EncodeLevel: base.EncodeLevel,230 EncodeCaller: base.EncodeCaller,231 },232 extra: func(enc Encoder) {233 enc.AddTime("extra", _epoch)234 enc.AddArray("extras", ArrayMarshalerFunc(func(enc ArrayEncoder) error {235 enc.AppendTime(_epoch)236 return nil237 }))238 },239 expectedJSON: `{"L":"info","T":"1970-01-01 00:00:00 +0000 UTC","N":"main","C":"foo.go:42","M":"hello","extra":"1970-01-01 00:00:00 +0000 UTC","extras":["1970-01-01 00:00:00 +0000 UTC"],"S":"fake-stack"}` + "\n",240 expectedConsole: "1970-01-01 00:00:00 +0000 UTC\tinfo\tmain\tfoo.go:42\thello\t" + // plain-text preamble241 `{"extra": "1970-01-01 00:00:00 +0000 UTC", "extras": ["1970-01-01 00:00:00 +0000 UTC"]}` + // JSON context242 "\nfake-stack\n", // stacktrace after newline243 },244 {245 desc: "use the supplied EncodeDuration for any durations added",246 cfg: EncoderConfig{247 LevelKey: "L",248 TimeKey: "T",249 MessageKey: "M",250 NameKey: "N",251 CallerKey: "C",252 StacktraceKey: "S",253 LineEnding: base.LineEnding,254 EncodeTime: base.EncodeTime,255 EncodeDuration: StringDurationEncoder,256 EncodeLevel: base.EncodeLevel,257 EncodeCaller: base.EncodeCaller,258 },259 extra: func(enc Encoder) {260 enc.AddDuration("extra", time.Second)261 enc.AddArray("extras", ArrayMarshalerFunc(func(enc ArrayEncoder) error {262 enc.AppendDuration(time.Minute)263 return nil264 }))265 },266 expectedJSON: `{"L":"info","T":0,"N":"main","C":"foo.go:42","M":"hello","extra":"1s","extras":["1m0s"],"S":"fake-stack"}` + "\n",267 expectedConsole: "0\tinfo\tmain\tfoo.go:42\thello\t" + // preamble268 `{"extra": "1s", "extras": ["1m0s"]}` + // context269 "\nfake-stack\n", // stacktrace270 },271 {272 desc: "use the supplied EncodeLevel",273 cfg: EncoderConfig{274 LevelKey: "L",275 TimeKey: "T",276 MessageKey: "M",277 NameKey: "N",278 CallerKey: "C",279 StacktraceKey: "S",280 LineEnding: base.LineEnding,281 EncodeTime: base.EncodeTime,282 EncodeDuration: base.EncodeDuration,283 EncodeLevel: CapitalLevelEncoder,284 EncodeCaller: base.EncodeCaller,285 },286 expectedJSON: `{"L":"INFO","T":0,"N":"main","C":"foo.go:42","M":"hello","S":"fake-stack"}` + "\n",287 expectedConsole: "0\tINFO\tmain\tfoo.go:42\thello\nfake-stack\n",288 },289 {290 desc: "use the supplied EncodeName",291 cfg: EncoderConfig{292 LevelKey: "L",293 TimeKey: "T",294 MessageKey: "M",295 NameKey: "N",296 CallerKey: "C",297 StacktraceKey: "S",298 LineEnding: base.LineEnding,299 EncodeTime: base.EncodeTime,300 EncodeDuration: base.EncodeDuration,301 EncodeLevel: base.EncodeLevel,302 EncodeCaller: base.EncodeCaller,303 EncodeName: capitalNameEncoder,304 },305 expectedJSON: `{"L":"info","T":0,"N":"MAIN","C":"foo.go:42","M":"hello","S":"fake-stack"}` + "\n",306 expectedConsole: "0\tinfo\tMAIN\tfoo.go:42\thello\nfake-stack\n",307 },308 {309 desc: "close all open namespaces",310 cfg: EncoderConfig{311 LevelKey: "L",312 TimeKey: "T",313 MessageKey: "M",314 NameKey: "N",315 CallerKey: "C",316 StacktraceKey: "S",317 LineEnding: base.LineEnding,318 EncodeTime: base.EncodeTime,319 EncodeDuration: base.EncodeDuration,320 EncodeLevel: base.EncodeLevel,321 EncodeCaller: base.EncodeCaller,322 },323 extra: func(enc Encoder) {324 enc.OpenNamespace("outer")325 enc.OpenNamespace("inner")326 enc.AddString("foo", "bar")327 enc.OpenNamespace("innermost")328 },329 expectedJSON: `{"L":"info","T":0,"N":"main","C":"foo.go:42","M":"hello","outer":{"inner":{"foo":"bar","innermost":{}}},"S":"fake-stack"}` + "\n",330 expectedConsole: "0\tinfo\tmain\tfoo.go:42\thello\t" +331 `{"outer": {"inner": {"foo": "bar", "innermost": {}}}}` +332 "\nfake-stack\n",333 },334 {335 desc: "handle no-op EncodeTime",336 cfg: EncoderConfig{337 LevelKey: "L",338 TimeKey: "T",339 MessageKey: "M",340 NameKey: "N",341 CallerKey: "C",342 StacktraceKey: "S",343 LineEnding: base.LineEnding,344 EncodeTime: func(time.Time, PrimitiveArrayEncoder) {},345 EncodeDuration: base.EncodeDuration,346 EncodeLevel: base.EncodeLevel,347 EncodeCaller: base.EncodeCaller,348 },349 extra: func(enc Encoder) { enc.AddTime("sometime", time.Unix(0, 100)) },350 expectedJSON: `{"L":"info","T":0,"N":"main","C":"foo.go:42","M":"hello","sometime":100,"S":"fake-stack"}` + "\n",351 expectedConsole: "info\tmain\tfoo.go:42\thello\t" + `{"sometime": 100}` + "\nfake-stack\n",352 },353 {354 desc: "handle no-op EncodeDuration",355 cfg: EncoderConfig{356 LevelKey: "L",357 TimeKey: "T",358 MessageKey: "M",359 NameKey: "N",360 CallerKey: "C",361 StacktraceKey: "S",362 LineEnding: base.LineEnding,363 EncodeTime: base.EncodeTime,364 EncodeDuration: func(time.Duration, PrimitiveArrayEncoder) {},365 EncodeLevel: base.EncodeLevel,366 EncodeCaller: base.EncodeCaller,367 },368 extra: func(enc Encoder) { enc.AddDuration("someduration", time.Microsecond) },369 expectedJSON: `{"L":"info","T":0,"N":"main","C":"foo.go:42","M":"hello","someduration":1000,"S":"fake-stack"}` + "\n",370 expectedConsole: "0\tinfo\tmain\tfoo.go:42\thello\t" + `{"someduration": 1000}` + "\nfake-stack\n",371 },372 {373 desc: "handle no-op EncodeLevel",374 cfg: EncoderConfig{375 LevelKey: "L",376 TimeKey: "T",377 MessageKey: "M",378 NameKey: "N",379 CallerKey: "C",380 StacktraceKey: "S",381 LineEnding: base.LineEnding,382 EncodeTime: base.EncodeTime,383 EncodeDuration: base.EncodeDuration,384 EncodeLevel: func(Level, PrimitiveArrayEncoder) {},385 EncodeCaller: base.EncodeCaller,386 },387 expectedJSON: `{"L":"info","T":0,"N":"main","C":"foo.go:42","M":"hello","S":"fake-stack"}` + "\n",388 expectedConsole: "0\tmain\tfoo.go:42\thello\nfake-stack\n",389 },390 {391 desc: "handle no-op EncodeCaller",392 cfg: EncoderConfig{393 LevelKey: "L",394 TimeKey: "T",395 MessageKey: "M",396 NameKey: "N",397 CallerKey: "C",398 StacktraceKey: "S",399 LineEnding: base.LineEnding,400 EncodeTime: base.EncodeTime,401 EncodeDuration: base.EncodeDuration,402 EncodeLevel: base.EncodeLevel,403 EncodeCaller: func(EntryCaller, PrimitiveArrayEncoder) {},404 },405 expectedJSON: `{"L":"info","T":0,"N":"main","C":"foo.go:42","M":"hello","S":"fake-stack"}` + "\n",406 expectedConsole: "0\tinfo\tmain\thello\nfake-stack\n",407 },408 {409 desc: "handle no-op EncodeName",410 cfg: EncoderConfig{411 LevelKey: "L",412 TimeKey: "T",413 MessageKey: "M",414 NameKey: "N",415 CallerKey: "C",416 StacktraceKey: "S",417 LineEnding: base.LineEnding,418 EncodeTime: base.EncodeTime,419 EncodeDuration: base.EncodeDuration,420 EncodeLevel: base.EncodeLevel,421 EncodeCaller: base.EncodeCaller,422 EncodeName: func(string, PrimitiveArrayEncoder) {},423 },424 expectedJSON: `{"L":"info","T":0,"N":"main","C":"foo.go:42","M":"hello","S":"fake-stack"}` + "\n",425 expectedConsole: "0\tinfo\tfoo.go:42\thello\nfake-stack\n",426 },427 {428 desc: "use custom line separator",429 cfg: EncoderConfig{430 LevelKey: "L",431 TimeKey: "T",432 MessageKey: "M",433 NameKey: "N",434 CallerKey: "C",435 StacktraceKey: "S",436 LineEnding: "\r\n",437 EncodeTime: base.EncodeTime,438 EncodeDuration: base.EncodeDuration,439 EncodeLevel: base.EncodeLevel,440 EncodeCaller: base.EncodeCaller,441 },442 expectedJSON: `{"L":"info","T":0,"N":"main","C":"foo.go:42","M":"hello","S":"fake-stack"}` + "\r\n",443 expectedConsole: "0\tinfo\tmain\tfoo.go:42\thello\nfake-stack\r\n",444 },445 {446 desc: "omit line separator definition - fall back to default",447 cfg: EncoderConfig{448 LevelKey: "L",449 TimeKey: "T",450 MessageKey: "M",451 NameKey: "N",452 CallerKey: "C",453 StacktraceKey: "S",454 EncodeTime: base.EncodeTime,455 EncodeDuration: base.EncodeDuration,456 EncodeLevel: base.EncodeLevel,457 EncodeCaller: base.EncodeCaller,458 },459 expectedJSON: `{"L":"info","T":0,"N":"main","C":"foo.go:42","M":"hello","S":"fake-stack"}` + DefaultLineEnding,460 expectedConsole: "0\tinfo\tmain\tfoo.go:42\thello\nfake-stack" + DefaultLineEnding,461 },462 }463 for i, tt := range tests {464 json := NewJSONEncoder(tt.cfg)465 console := NewConsoleEncoder(tt.cfg)466 if tt.extra != nil {467 tt.extra(json)468 tt.extra(console)469 }470 entry := _testEntry471 if tt.amendEntry != nil {472 entry = tt.amendEntry(_testEntry)473 }474 jsonOut, jsonErr := json.EncodeEntry(entry, nil)475 if assert.NoError(t, jsonErr, "Unexpected error JSON-encoding entry in case #%d.", i) {476 assert.Equal(477 t,478 tt.expectedJSON,479 jsonOut.String(),480 "Unexpected JSON output: expected to %v.", tt.desc,481 )482 }483 consoleOut, consoleErr := console.EncodeEntry(entry, nil)484 if assert.NoError(t, consoleErr, "Unexpected error console-encoding entry in case #%d.", i) {485 assert.Equal(486 t,487 tt.expectedConsole,488 consoleOut.String(),489 "Unexpected console output: expected to %v.", tt.desc,490 )491 }492 }493}494func TestLevelEncoders(t *testing.T) {495 tests := []struct {496 name string497 expected interface{} // output of encoding InfoLevel498 }{499 {"capital", "INFO"},500 {"lower", "info"},501 {"", "info"},502 {"something-random", "info"},503 }504 for _, tt := range tests {505 var le LevelEncoder506 require.NoError(t, le.UnmarshalText([]byte(tt.name)), "Unexpected error unmarshaling %q.", tt.name)507 assertAppended(508 t,509 tt.expected,510 func(arr ArrayEncoder) { le(InfoLevel, arr) },511 "Unexpected output serializing InfoLevel with %q.", tt.name,512 )513 }514}515func TestTimeEncoders(t *testing.T) {516 moment := time.Unix(100, 50005000).UTC()517 tests := []struct {518 name string519 expected interface{} // output of serializing moment520 }{521 {"iso8601", "1970-01-01T00:01:40.050Z"},522 {"ISO8601", "1970-01-01T00:01:40.050Z"},523 {"millis", 100050.005},524 {"nanos", int64(100050005000)},525 {"", 100.050005},526 {"something-random", 100.050005},527 }528 for _, tt := range tests {529 var te TimeEncoder530 require.NoError(t, te.UnmarshalText([]byte(tt.name)), "Unexpected error unmarshaling %q.", tt.name)531 assertAppended(532 t,533 tt.expected,534 func(arr ArrayEncoder) { te(moment, arr) },535 "Unexpected output serializing %v with %q.", moment, tt.name,536 )537 }538}539func TestDurationEncoders(t *testing.T) {540 elapsed := time.Second + 500*time.Nanosecond541 tests := []struct {542 name string543 expected interface{} // output of serializing elapsed544 }{545 {"string", "1.0000005s"},546 {"nanos", int64(1000000500)},547 {"", 1.0000005},548 {"something-random", 1.0000005},549 }550 for _, tt := range tests {551 var de DurationEncoder552 require.NoError(t, de.UnmarshalText([]byte(tt.name)), "Unexpected error unmarshaling %q.", tt.name)553 assertAppended(554 t,555 tt.expected,556 func(arr ArrayEncoder) { de(elapsed, arr) },557 "Unexpected output serializing %v with %q.", elapsed, tt.name,558 )559 }560}561func TestCallerEncoders(t *testing.T) {562 caller := EntryCaller{Defined: true, File: "/home/jack/src/github.com/foo/foo.go", Line: 42}563 tests := []struct {564 name string565 expected interface{} // output of serializing caller566 }{567 {"", "foo/foo.go:42"},568 {"something-random", "foo/foo.go:42"},569 {"short", "foo/foo.go:42"},570 {"full", "/home/jack/src/github.com/foo/foo.go:42"},571 }572 for _, tt := range tests {573 var ce CallerEncoder574 require.NoError(t, ce.UnmarshalText([]byte(tt.name)), "Unexpected error unmarshaling %q.", tt.name)575 assertAppended(576 t,577 tt.expected,578 func(arr ArrayEncoder) { ce(caller, arr) },579 "Unexpected output serializing file name as %v with %q.", tt.expected, tt.name,580 )581 }582}583func TestNameEncoders(t *testing.T) {584 tests := []struct {585 name string586 expected interface{} // output of encoding InfoLevel587 }{588 {"", "main"},589 {"full", "main"},590 {"something-random", "main"},591 }592 for _, tt := range tests {...

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imports_test.go

Source:imports_test.go Github

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...185 const pkg = `186-- go.work --187go 1.19188use (189 ./caller190 ./mod191)192-- caller/go.mod --193module caller.com194go 1.18195require mod.com v0.0.0196replace mod.com => ../mod197-- caller/caller.go --198package main199func main() {200 a.Test()201}202-- mod/go.mod --203module mod.com204go 1.18205-- mod/a/a.go --206package a207func Test() {208}209`210 Run(t, pkg, func(t *testing.T, env *Env) {211 env.OpenFile("caller/caller.go")212 env.Await(env.DiagnosticAtRegexp("caller/caller.go", "a.Test"))213 // Saving caller.go should trigger goimports, which should find a.Test in214 // the mod.com module, thanks to the go.work file.215 env.SaveBuffer("caller/caller.go")216 env.Await(EmptyDiagnostics("caller/caller.go"))217 })218}...

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caller

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1import "fmt"2func main() {3 fmt.Println("main")4 test()5 test1()6}7func test() {8 fmt.Println("test")9}10func test1() {11 fmt.Println("test1")12}13import (14func main() {15 fmt.Println("main")16 fmt.Println(runtime.Caller(0))17 test()18 test1()19}20func test() {21 fmt.Println("test")22 fmt.Println(runtime.Caller(0))23}24func test1() {25 fmt.Println("test1")26 fmt.Println(runtime.Caller(0))27}28import (29func main() {30 fmt.Println("main")31 fmt.Println(runtime.Caller(0))32 test()33 test1()34}35func test() {36 fmt.Println("test")37 fmt.Println(runtime.Caller(0))38 test2()39}40func test1() {41 fmt.Println("test1")42 fmt.Println(runtime.Caller(0))43}44func test2() {45 fmt.Println("test2")46 fmt.Println(runtime.Caller(0))47}48import (49func main() {50 fmt.Println("main")51 fmt.Println(runtime.Caller(0))52 test()53 test1()54}55func test() {56 fmt.Println("test")57 fmt.Println(runtime.Caller(0))58 test2()59}60func test1() {61 fmt.Println("test1")62 fmt.Println(runtime.Caller(0))63 test2()64}

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caller

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1import (2func main() {3 fmt.Println(runtime.Caller(0))4}5import (6func main() {7 fmt.Println(runtime.Caller(1))8}9import (10func main() {11 fmt.Println(runtime.Caller(2))12}13import (14func main() {15 fmt.Println(runtime.Caller(3))16}17import (18func main() {19 fmt.Println(runtime.Caller(4))20}21import (22func main() {23 fmt.Println(runtime.Caller(5))24}25import (26func main() {27 fmt.Println(runtime.Caller(6))28}29import (30func main() {31 fmt.Println(runtime.Caller(7))32}33import (34func main() {35 fmt.Println(runtime.Caller(8))36}37import (

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caller

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1import (2func main() {3 fmt.Println("Hello")4 fmt.Println("World")5 fmt.Println(runtime.Caller(0))6}7import (8func main() {9 fmt.Println("Hello")10 fmt.Println("World")11 fmt.Println(runtime.Caller(1))12}13import (14func main() {15 fmt.Println("Hello")16 fmt.Println("World")17 fmt.Println(runtime.Caller(2))18}19import (20func main() {21 fmt.Println("Hello")22 fmt.Println("World")23 fmt.Println(runtime.Caller(3))24}25import (26func main() {27 fmt.Println("Hello")28 fmt.Println("World")29 fmt.Println(runtime.Caller(4))30}31import (32func main() {33 fmt.Println("Hello")34 fmt.Println("World")35 fmt.Println(runtime.Caller(5))36}37import (

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caller

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1import (2func main() {3 fmt.Println("main method")4 caller()5}6func caller() {7 fmt.Println("caller method")8 pc, _, _, _ := runtime.Caller(1)9 callerName := runtime.FuncForPC(pc).Name()10 fmt.Println("caller name: ", callerName)11}12import (13func main() {14 fmt.Println("main method")15 caller()16}17func caller() {18 fmt.Println("caller method")19 stack := make([]byte, 1024)20 runtime.Stack(stack, true)21 callerName := strings.Split(strings.Split(string(stack), "22 fmt.Println("caller name: ", callerName)23}

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caller

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1func main(){2 testCaller()3}4func testCaller(){5 caller := getCaller()6 fmt.Println("Caller is: ", caller)7}8func getCaller() string {9 pc, _, _, _ := runtime.Caller(1)10 caller := runtime.FuncForPC(pc).Name()11}

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