KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use warning method of compiler Package

Best Syzkaller code snippet using compiler.warning

glosure.go

Source:glosure.go

...124  UseClosureApi bool125  // Closure compiler compilation level. Valid levels are: WhiteSpaceOnly,126  // SimpleOptimizations (default), AdvancedOptimizations.127  CompilationLevel CompilationLevel128  // Closure compiler warning level. Valid levels are: Quite, Default, and129  // Verbose.130  WarningLevel WarningLevel131  // Formatting of the compiled output. Valid formattings are: PrettyPrint,132  // and PrintInputDelimiter.133  Formatting Formatting134  // Whether to optimize out all unused JavaScript code.135  OnlyClosureDependencies bool136  // List of exern JavaScript files.137  Externs []string138  // JavaScript files that should be included in every compilation.139  BaseFiles []string140  // Whether to perform an angular pass.141  AngularPass bool142  // Whether to process jQuery primitives.143  ProcessJqueryPrimitives bool144  // Warnings that should be treated as errors.145  CompErrors []WarningClass146  // Warnings.147  CompWarnings []WarningClass148  // Warnings that are suppressed.149  CompSuppressed []WarningClass150  fileServer http.Handler151  depg depgraph.DependencyGraph152  mutex sync.Mutex153}154func NewCompiler(root string) Compiler {155  _, javaLookupErr := exec.LookPath("java")156  return Compiler{157    Root: root,158    ErrorHandler: http.NotFound,159    CompiledSuffix: DefaultCompiledSuffix,160    CompilationLevel: SimpleOptimizations,161    WarningLevel: Default,162    SourceSuffix: DefaultSourceSuffix,163    CompileOnDemand: true,164    UseClosureApi: javaLookupErr != nil,165    fileServer: http.FileServer(http.Dir(root)),166    depg: depgraph.New(),167    mutex: sync.Mutex{},168  }169}170// Enables strict compilation. Almost all warnings are treated as errors.171func (cc *Compiler) Strict() {172  cc.WarningLevel = Verbose173  // All of warning classes, except the unknown type.174  cc.CompErrors = []WarningClass{175    AccessControls, AmbiguousFunctionDecl, CheckEventfulObjectDisposal,176    CheckRegExp, CheckStructDictInheritance, CheckTypes, CheckVars, Const,177    ConstantProperty, Deprecated, DuplicateMessage, Es3, Es5Strict,178    ExternsValidation, FileoverviewTags, GlobalThis, InternetExplorerChecks,179    InvalidCasts, MisplacedTypeAnnotation, MissingProperties, MissingProvide,180    MissingRequire, MissingReturn, NonStandardJsDocs,181    SuspiciousCode, StrictModuleDepCheck, TypeInvalidation, UndefinedNames,182    UndefinedVars, UnknownDefines, UselessCode, Visibility,183  }184  cc.CompWarnings = []WarningClass{}185  cc.CompSuppressed = []WarningClass{}186}187// Enables options for debugger convenience.188func (cc *Compiler) Debug() {189  cc.WarningLevel = Verbose190  // All of warning classes, except the unknown type.191  cc.CompWarnings = []WarningClass{192    AccessControls, AmbiguousFunctionDecl, CheckEventfulObjectDisposal,193    CheckRegExp, CheckStructDictInheritance, CheckTypes, CheckVars, Const,194    ConstantProperty, Deprecated, DuplicateMessage, Es3, Es5Strict,195    ExternsValidation, FileoverviewTags, GlobalThis, InternetExplorerChecks,196    InvalidCasts, MisplacedTypeAnnotation, MissingProperties, MissingProvide,197    MissingRequire, MissingReturn, NonStandardJsDocs,198    SuspiciousCode, StrictModuleDepCheck, TypeInvalidation, UndefinedNames,199    UndefinedVars, UnknownDefines, UselessCode, Visibility,200  }201  cc.CompErrors = []WarningClass{}202  cc.CompSuppressed = []WarningClass{}203  cc.Formatting = PrettyPrint204}205// Glosure's main handler function.206func ServeHttp(res http.ResponseWriter, req *http.Request, cc *Compiler) {207  path := req.URL.Path208  if !cc.isCompiledJavascript(path) {209    cc.ErrorHandler(res, req)210    return211  }212  if !cc.sourceFileExists(path) {213    cc.ErrorHandler(res, req)214    return215  }216  forceCompile := req.URL.Query().Get("force") == "1"217  if !cc.CompileOnDemand || (!forceCompile && cc.jsIsAlreadyCompiled(path)) {218    cc.fileServer.ServeHTTP(res, req)219    return220  }221  err := cc.Compile(path)222  if err != nil {223    cc.ErrorHandler(res, req)224    return225  }226  glog.Info("JavaScript source is successfully compiled: ", path)227  cc.fileServer.ServeHTTP(res, req)228}229func (cc *Compiler) isCompiledJavascript(path string) bool {230  return strings.HasSuffix(path, cc.CompiledSuffix)231}232func (cc *Compiler) isSourceJavascript(path string) bool {233  return strings.HasSuffix(path, cc.SourceSuffix) &&234         !strings.HasSuffix(path, cc.CompiledSuffix)235}236func (cc *Compiler) getSourceJavascriptPath(relPath string) string {237  return path.Join(cc.Root, relPath[:len(relPath) - len(cc.CompiledSuffix)] +238                            cc.SourceSuffix)239}240func (cc *Compiler) getCompiledJavascriptPath(relPath string) string {241  if cc.isCompiledJavascript(relPath) {242    return path.Join(cc.Root, relPath)243  }244  return path.Join(cc.Root, relPath[:len(relPath) - len(cc.SourceSuffix)] +245                            cc.CompiledSuffix)246}247func (cc *Compiler) sourceFileExists(path string) bool {248  srcPath := cc.getSourceJavascriptPath(path)249  _, err := os.Stat(srcPath)250  return err == nil251}252func (cc *Compiler) jsIsAlreadyCompiled(path string) bool {253  srcPath := cc.getSourceJavascriptPath(path)254  srcStat, err := os.Stat(srcPath)255  if err != nil {256    return false257  }258  outPath := cc.getCompiledJavascriptPath(path)259  outStat, err := os.Stat(outPath)260  if err != nil {261    return false262  }263  if outStat.ModTime().Before(srcStat.ModTime()) {264    return false265  }266  return true267}268func (cc *Compiler) downloadCompilerJar() (string, error) {269  const ccJarPath = "__compiler__.jar"270  const ccDlUrl = "http://dl.google.com/closure-compiler/compiler-latest.zip"271  jarFilePath := filepath.Join(cc.Root, ccJarPath)272  _, err := os.Stat(jarFilePath)273  if err == nil {274    return jarFilePath, nil275  }276  glog.Info("Downloading closure compiler from: ", ccDlUrl)277  zipFilePath := filepath.Join(cc.Root, "__compiler__.zip")278  zipFile, err := os.Create(zipFilePath)279  defer zipFile.Close()280  res, err := http.Get(ccDlUrl)281  defer res.Body.Close()282  // TODO(soheil): Maybe verify checksum?283  _, err = io.Copy(zipFile, res.Body)284  if err != nil {285    return "", err286  }287  r, err := zip.OpenReader(zipFilePath)288  if err != nil {289    return "", err290  }291  defer r.Close()292  for _, f := range r.File {293    if f.Name != "compiler.jar" {294      continue295    }296    cmpJar, err := f.Open()297    if err != nil {298      return "", err299    }300    jarFile, err := os.Create(jarFilePath)301    defer jarFile.Close()302    glog.V(1).Info("Decompressing compiler.jar to ", jarFilePath)303    io.Copy(jarFile, cmpJar)304    break305  }306  return jarFilePath, nil307}308func (cc *Compiler) Compile(relOutPath string) error {309  if !cc.UseClosureApi {310    _, err := exec.LookPath("java")311    if err != nil {312      glog.Fatal("No java found in $PATH.")313    }314    if cc.CompilerJarPath == "" {315      cc.CompilerJarPath, err = cc.downloadCompilerJar()316      if err != nil {317        glog.Fatal("Cannot download the closure compiler.")318      }319    }320  }321  srcPath := cc.getSourceJavascriptPath(relOutPath)322  outPath := cc.getCompiledJavascriptPath(relOutPath)323  srcPkgs, err := getClosurePackage(srcPath)324  useClosureDeps := err == nil325  cc.mutex.Lock()326  defer cc.mutex.Unlock()327  jsFiles := make([]string, 0)328  if useClosureDeps {329    if len(cc.depg.Nodes) == 0 {330      cc.reloadDependencyGraph()331    }332    nodes := []*depgraph.Node{}333    for _, srcPkg := range srcPkgs {334      node, ok := cc.depg.Nodes[srcPkgs[0]]335      if !ok {336        return errors.New(fmt.Sprintf("Package %s not found in %s.", srcPkg,337                                      cc.Root))338      }339      nodes = append(nodes, node)340    }341    deps := cc.depg.GetDependencies(nodes)342    for _, dep := range(deps) {343      jsFiles = append(jsFiles, dep.Path)344    }345  } else {346    jsFiles = append(jsFiles, srcPath)347  }348  if cc.UseClosureApi {349    return cc.CompileWithClosureApi(jsFiles, nil, outPath)350  }351  return cc.CompileWithClosureJar(jsFiles, srcPkgs, outPath)352}353func (cc *Compiler) CompileWithClosureJar(jsFiles []string, entryPkgs []string,354                                          outPath string) error {355  args := []string{"-jar", cc.CompilerJarPath}356  for _, b := range cc.BaseFiles {357    args = append(args, "--js", b)358  }359  for _, file := range jsFiles {360    args = append(args, "--js", file)361  }362  if len(entryPkgs) != 0 && cc.OnlyClosureDependencies {363    args = append(args,364    "--manage_closure_dependencies", "true",365    "--only_closure_dependencies", "true")366    for _, entryPkg := range entryPkgs {367      args = append(args, "--closure_entry_point", entryPkg)368    }369  }370  for _, e := range cc.Externs {371    args = append(args, "--externs", e)372  }373  args = append(args,374                "--js_output_file", outPath,375                "--compilation_level", string(cc.CompilationLevel),376                "--warning_level", string(cc.WarningLevel))377  if cc.AngularPass {378    args = append(args, "--angular_pass", "true")379  }380  if cc.ProcessJqueryPrimitives {381    args = append(args, "--process_jquery_primitives", "true")382  }383  for _, e := range cc.CompErrors {384    args = append(args, "--jscomp_error", string(e))385  }386  for _, e := range cc.CompWarnings {387    args = append(args, "--jscomp_warning", string(e))388  }389  for _, e := range cc.CompSuppressed {390    args = append(args, "--jscomp_off", string(e))391  }392  if cc.Formatting != "" {393    args = append(args, "--formatting", string(cc.Formatting))394  }395  cmd := exec.Command("java", args...)396  stdErr, err := cmd.StderrPipe()397  if err != nil {398    return errors.New("Cannot attach to stderr of the compiler.")399  }400  stdOut, err := cmd.StdoutPipe()401  if err != nil {402    return errors.New("Cannot attach to stdout of the compiler.")403  }404  err = cmd.Start()405  if err != nil {406    return errors.New("Cannot run the compiler.")407  }408  io.Copy(os.Stderr, stdErr)409  io.Copy(os.Stdout, stdOut)410  err = cmd.Wait()411  return err412}413func (cc *Compiler) CompileWithClosureApi(jsFiles []string, entryPkgs []string,414                                          outPath string) error {415  var srcBuffer bytes.Buffer416  for _, file := range(jsFiles) {417    content, err := ioutil.ReadFile(file)418    if err != nil {419      // We should never reach this line. This is just an assert.420      panic("Cannot read a file: " + file)421    }422    srcBuffer.Write(content)423  }424  var extBuffer bytes.Buffer425  for _, file := range(cc.Externs) {426    content, err := ioutil.ReadFile(file)427    if err != nil {428      panic("Cannot read an extern file: " + file)429    }430    extBuffer.Write(content)431  }432  res, err := cc.dialClosureApi(srcBuffer.String(), extBuffer.String())433  if err != nil {434    return err435  }436  if len(res.Errors) != 0 {437    for _, cErr := range(res.Errors) {438      fmt.Fprintf(os.Stderr, "Compilation error: %s\n\t%s\n\t%s\n",439                  cErr.Error, cErr.Line, errAnchor(cErr.Charno))440    }441    return errors.New("Compilation error.")442  }443  if len(res.Warnings) != 0 {444    for _, cWarn := range(res.Warnings) {445      fmt.Fprintf(os.Stderr, "Compilation warning: %s\n\t%s\n\t%s\n",446                  cWarn.Warning, cWarn.Line, errAnchor(cWarn.Charno))447    }448  }449  ioutil.WriteFile(outPath, []byte(res.CompiledCode), 0644)450  return nil451}452func errAnchor(charNo int) string {453  indent := charNo - 1454  if indent < 0 {455    indent = 0456  }457  return strings.Repeat("-", int(indent)) + "^"458}459func concatContent(nodes []*depgraph.Node) string {460  var buffer bytes.Buffer461  for _, val := range nodes {462    content, err := ioutil.ReadFile(val.Path)463    if err != nil {464      // TODO(soheil): Should we simply ignore such errors?465      continue466    }467    buffer.Write(content)468  }469  return buffer.String()470}471func (cc *Compiler) reloadDependencyGraph() {472  // TODO(soheil): Here, we are loading the files twice. We can make it in one473  //               pass.474  filepath.Walk(cc.Root,475                func(path string, info os.FileInfo, err error) error {476                  if !cc.isSourceJavascript(path) {477                    return nil478                  }479                  pkgs, err := getClosurePackage(path)480                  if err != nil {481                    return nil482                  }483                  for _, pkg := range pkgs {484                    glog.V(1).Info("Found package ", pkg, " in ", path)485                    cc.depg.AddFile(pkg, path)486                  }487                  return nil488                })489  for _, node  := range cc.depg.Nodes {490    deps, err := getClosureDependecies(node.Path)491    if err != nil || deps == nil {492      continue493    }494    for _, dep := range deps {495      glog.V(1).Info("Found dependency from ", node.Pkg, " to ", dep)496      cc.depg.AddDependency(node.Pkg, dep)497    }498  }499}500type ClosureApiResult struct {501  CompiledCode string502  Errors []ClosureError `json:"errors"`503  Warnings []ClosureWarning `json:"warnings"`504  ServerErrors []struct {505    Code int `json:"code"`506    Error string `json:"error"`507  } `json:"serverErrors"`508}509type ClosureError struct {510  Charno int511  Lineno int512  File string513  ErrorType string `json:"type"`514  Error string515  Line string516}517type ClosureWarning struct {518  Charno int519  Lineno int520  File string521  WarningType string `json:"type"`522  Warning string523  Line string524}525func (cc *Compiler) getClosureApiParams(src string, ext string) url.Values {526  params := make(url.Values)527  params.Set("js_code", src)528  if len(ext) > 0 {529    params.Set("js_externs", ext)530  }531  params.Set("output_format", "json")532  params.Add("output_info", "compiled_code")533  params.Add("output_info", "warnings")534  params.Add("output_info", "errors")535  params.Set("warning_level", string(cc.WarningLevel))536  params.Set("compilation_level", string(cc.CompilationLevel))537  return params538}539func (cc *Compiler) dialClosureApi(src string, ext string) (*ClosureApiResult,540                                                            error) {541  const URL = "http://closure-compiler.appspot.com/compile"542  params := cc.getClosureApiParams(src, ext)543  resp, err := http.PostForm(URL, params)544  if err != nil {545    return nil, errors.New("Cannot send a compilation request to " + URL)546  }547  defer resp.Body.Close()548  body, err := ioutil.ReadAll(resp.Body)549  if err != nil {...

log.go

Source:log.go

...9	FlatWarning uint8 = 110	Error       uint8 = 211	Warning     uint8 = 312)13const warningMark = "<!>"14// CompilerLog is a compiler log.15type CompilerLog struct {16	Type    uint817	Row     int18	Column  int19	Path    string20	Message string21}22func (clog *CompilerLog) flatError() string {23	return clog.Message24}25func (clog *CompilerLog) error() string {26	var log strings.Builder27	log.WriteString(clog.Path)28	log.WriteByte(':')29	log.WriteString(fmt.Sprint(clog.Row))30	log.WriteByte(':')31	log.WriteString(fmt.Sprint(clog.Column))32	log.WriteByte(' ')33	log.WriteString(clog.Message)34	return log.String()35}36func (clog *CompilerLog) flatWarning() string {37	return warningMark + " " + clog.Message38}39func (clog *CompilerLog) warning() string {40	var log strings.Builder41	log.WriteString(warningMark)42	log.WriteByte(' ')43	log.WriteString(clog.Path)44	log.WriteByte(':')45	log.WriteString(fmt.Sprint(clog.Row))46	log.WriteByte(':')47	log.WriteString(fmt.Sprint(clog.Column))48	log.WriteByte(' ')49	log.WriteString(clog.Message)50	return log.String()51}52func (clog CompilerLog) String() string {53	switch clog.Type {54	case FlatError:55		return clog.flatError()56	case Error:57		return clog.error()58	case FlatWarning:59		return clog.flatWarning()60	case Warning:61		return clog.warning()62	}63	return ""64}...

warning

Using AI Code Generation

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

warning

Using AI Code Generation

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

warning

Using AI Code Generation

1import "fmt"2type compiler struct {3}4func (c compiler) warning() {5 fmt.Println("warning")6}7type java struct {8}9func main() {10 j := java{}11 j.warning()12}13import "fmt"14type compiler struct {15}16func (c compiler) warning() {17 fmt.Println("warning")18}19type java struct {20}21func (j java) warning() {22 fmt.Println("warning from java")23}24func main() {25 j := java{}26 j.warning()27}28import "fmt"29type compiler struct {30}31func (c compiler) warning() {32 fmt.Println("warning")33}34type java struct {35}36func (j java) warning() {37 fmt.Println("warning from java")38}39func main() {40 j := java{}41 c := compiler(j)42 c.warning()43}44import "fmt"45type compiler struct {46}47func (c compiler) warning() {48 fmt.Println("warning")49}50type java struct {51}52func (j java) warning() {53 fmt.Println("warning from java")54}55func main() {56 j := java{}57 c := compiler(j)58 c.warning()59 j.warning()60}

warning

Using AI Code Generation

1import "fmt"2func main() {3fmt.Println("This is a warning")4}5fmt.Println("This is a warning")6func (c *compiler) Errorf(pos token.Pos, format string, args ...interface{}) {7c.errorList = append(c.errorList, &Error{pos, fmt.Sprintf(format, args...)})8}9import "fmt"10func main() {11fmt.Println("This is an error")12}13fmt.Println("This is an error")14How to use the initimport method of the compiler class?15How to use the initimportedpackage method of the compiler class?16How to use the initimportedpkg method of the compiler class?17How to use the importimportedpkg method of the compiler class?18How to use the importdot method of the compiler class?19How to use the importpackage method of the compiler class?20How to use the importdot method of the compiler class?21How to use the importmethod method of the

warning

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4    log.Println("Hello, playground")5}6func warning(format string, args ...interface{})7import (8func main() {9    fmt.Println("Hello, playground")10    build.Default.Warning("Hello, playground")11}

warning

Using AI Code Generation

1import "fmt"2func main() {3fmt.Println("Hello, playground")4}5./2.go:7:2: imported and not used: "fmt"6./2.go:7:2: imported and not used: "fmt"7import "fmt"8func main() {9fmt.Println("Hello, playground")10}11./3.go:7:2: imported and not used: "fmt"12./3.go:7:2: imported and not used: "fmt"13import "fmt"14func main() {15fmt.Println("Hello, playground")16}17./4.go:7:2: imported and not used: "fmt"18./4.go:7:2: imported and not used: "fmt"19import "fmt"20func main() {21fmt.Println("Hello, playground")22}23./5.go:7:2: imported and not used: "fmt"24./5.go:7:2: imported and not used: "fmt"

warning

Using AI Code Generation

1import (2func main() {3	compiler := new(Compiler)4	compiler.Warning("This is a warning")5}6type Compiler struct {7}8func (c *Compiler) Warning(msg string) {9	t := reflect.TypeOf(c)10	fn := reflect.ValueOf(c).Pointer()11	fnName := runtime.FuncForPC(fn).Name()12	_, file, line, _ := runtime.Caller(1)13	fmt.Printf("%s:%d: %s: %s14}152.go:18: *main.Compiler: main.(*Compiler).Warning: This is a warning16import (17func main() {18	compiler := new(Compiler)19	compiler.Warning("This is a warning")20}21type Compiler struct {22}23func (c *Compiler) Warning(msg string) {24	logFile, err := os.Create("log.txt")25	if err != nil {26		log.Fatal(err)27	}28	log.SetOutput(logFile)29	log.Println("Warning:", msg)30}

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.