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How to use prepareFileMap method of cover Package

Best Syzkaller code snippet using cover.prepareFileMap

html.go

Source:html.go

...16	"strings"17	"github.com/google/syzkaller/pkg/cover/backend"18)19func (rg *ReportGenerator) DoHTML(w io.Writer, progs []Prog) error {20	files, err := rg.prepareFileMap(progs)21	if err != nil {22		return err23	}24	d := &templateData{25		Root: new(templateDir),26	}27	haveProgs := len(progs) > 1 || progs[0].Data != ""28	fileOpenErr := fmt.Errorf("failed to open/locate any source file")29	for fname, file := range files {30		pos := d.Root31		path := ""32		for {33			if path != "" {34				path += "/"35			}36			sep := strings.IndexByte(fname, filepath.Separator)37			if sep == -1 {38				path += fname39				break40			}41			dir := fname[:sep]42			path += dir43			if pos.Dirs == nil {44				pos.Dirs = make(map[string]*templateDir)45			}46			if pos.Dirs[dir] == nil {47				pos.Dirs[dir] = &templateDir{48					templateBase: templateBase{49						Path: path,50						Name: dir,51					},52				}53			}54			pos = pos.Dirs[dir]55			fname = fname[sep+1:]56		}57		f := &templateFile{58			templateBase: templateBase{59				Path:    path,60				Name:    fname,61				Total:   file.totalPCs,62				Covered: file.coveredPCs,63			},64			HasFunctions: len(file.functions) != 0,65		}66		pos.Files = append(pos.Files, f)67		if file.coveredPCs == 0 {68			continue69		}70		addFunctionCoverage(file, d)71		contents := ""72		lines, err := parseFile(file.filename)73		if err == nil {74			contents = fileContents(file, lines, haveProgs)75			fileOpenErr = nil76		} else {77			// We ignore individual errors of opening/locating source files78			// because there is a number of reasons when/why it can happen.79			// We fail only if we can't open/locate any single source file.80			// syz-ci can mess state of source files (https://github.com/google/syzkaller/issues/1770),81			// or bazel lies about location of auto-generated files,82			// or a used can update source files with git pull/checkout.83			contents = html.EscapeString(err.Error())84			if fileOpenErr != nil {85				fileOpenErr = err86			}87		}88		d.Contents = append(d.Contents, template.HTML(contents))89		f.Index = len(d.Contents) - 190	}91	if fileOpenErr != nil {92		return fileOpenErr93	}94	for _, prog := range progs {95		d.Progs = append(d.Progs, template.HTML(html.EscapeString(prog.Data)))96	}97	processDir(d.Root)98	return coverTemplate.Execute(w, d)99}100type fileStats struct {101	Name                  string102	CoveredLines          int103	TotalLines            int104	CoveredPCs            int105	TotalPCs              int106	TotalFunctions        int107	CoveredPCsInFunctions int108	TotalPCsInFunctions   int109}110var csvFilesHeader = []string{111	"Filename",112	"CoveredLines",113	"TotalLines",114	"CoveredPCs",115	"TotalPCs",116	"TotalFunctions",117	"CoveredPCsInFunctions",118	"TotalPCsInFunctions",119}120func (rg *ReportGenerator) convertToStats(progs []Prog) ([]fileStats, error) {121	files, err := rg.prepareFileMap(progs)122	if err != nil {123		return nil, err124	}125	var data []fileStats126	for fname, file := range files {127		lines, err := parseFile(file.filename)128		if err != nil {129			fmt.Printf("failed to open/locate %s\n", file.filename)130			continue131		}132		totalFuncs := len(file.functions)133		var coveredInFunc int134		var pcsInFunc int135		for _, function := range file.functions {136			coveredInFunc += function.covered137			pcsInFunc += function.pcs138		}139		totalLines := len(lines)140		var coveredLines int141		for _, line := range file.lines {142			if len(line.progCount) != 0 {143				coveredLines++144			}145		}146		data = append(data, fileStats{147			Name:                  fname,148			CoveredLines:          coveredLines,149			TotalLines:            totalLines,150			CoveredPCs:            file.coveredPCs,151			TotalPCs:              file.totalPCs,152			TotalFunctions:        totalFuncs,153			CoveredPCsInFunctions: coveredInFunc,154			TotalPCsInFunctions:   pcsInFunc,155		})156	}157	return data, nil158}159func (rg *ReportGenerator) DoCSVFiles(w io.Writer, progs []Prog) error {160	data, err := rg.convertToStats(progs)161	if err != nil {162		return err163	}164	sort.SliceStable(data, func(i, j int) bool {165		return data[i].Name < data[j].Name166	})167	writer := csv.NewWriter(w)168	defer writer.Flush()169	if err := writer.Write(csvFilesHeader); err != nil {170		return err171	}172	var d [][]string173	for _, dt := range data {174		d = append(d, []string{175			dt.Name,176			strconv.Itoa(dt.CoveredLines),177			strconv.Itoa(dt.TotalLines),178			strconv.Itoa(dt.CoveredPCs),179			strconv.Itoa(dt.TotalPCs),180			strconv.Itoa(dt.TotalFunctions),181			strconv.Itoa(dt.CoveredPCsInFunctions),182			strconv.Itoa(dt.TotalPCsInFunctions),183		})184	}185	return writer.WriteAll(d)186}187func groupCoverByFilePrefixes(datas []fileStats, subsystems []Subsystem) map[string]map[string]string {188	d := make(map[string]map[string]string)189	for _, subsystem := range subsystems {190		var coveredLines int191		var totalLines int192		var coveredPCsInFile int193		var totalPCsInFile int194		var totalFuncs int195		var coveredPCsInFuncs int196		var pcsInFuncs int197		var percentLines float64198		var percentPCsInFile float64199		var percentPCsInFunc float64200		for _, path := range subsystem.Paths {201			for _, data := range datas {202				if !strings.HasPrefix(data.Name, path) {203					continue204				}205				coveredLines += data.CoveredLines206				totalLines += data.TotalLines207				coveredPCsInFile += data.CoveredPCs208				totalPCsInFile += data.TotalPCs209				totalFuncs += data.TotalFunctions210				coveredPCsInFuncs += data.CoveredPCsInFunctions211				pcsInFuncs += data.TotalPCsInFunctions212			}213		}214		if totalLines != 0 {215			percentLines = 100.0 * float64(coveredLines) / float64(totalLines)216		}217		if totalPCsInFile != 0 {218			percentPCsInFile = 100.0 * float64(coveredPCsInFile) / float64(totalPCsInFile)219		}220		if pcsInFuncs != 0 {221			percentPCsInFunc = 100.0 * float64(coveredPCsInFuncs) / float64(pcsInFuncs)222		}223		d[subsystem.Name] = map[string]string{224			"subsystem":  subsystem.Name,225			"lines":      fmt.Sprintf("%v / %v / %.2f%%", coveredLines, totalLines, percentLines),226			"PCsInFiles": fmt.Sprintf("%v / %v / %.2f%%", coveredPCsInFile, totalPCsInFile, percentPCsInFile),227			"totalFuncs": strconv.Itoa(totalFuncs),228			"PCsInFuncs": fmt.Sprintf("%v / %v / %.2f%%", coveredPCsInFuncs, pcsInFuncs, percentPCsInFunc),229		}230	}231	return d232}233func (rg *ReportGenerator) DoHTMLTable(w io.Writer, progs []Prog) error {234	data, err := rg.convertToStats(progs)235	if err != nil {236		return err237	}238	d := groupCoverByFilePrefixes(data, rg.subsystem)239	return coverTableTemplate.Execute(w, d)240}241var csvHeader = []string{242	"Filename",243	"Function",244	"Covered PCs",245	"Total PCs",246}247func (rg *ReportGenerator) DoCSV(w io.Writer, progs []Prog) error {248	files, err := rg.prepareFileMap(progs)249	if err != nil {250		return err251	}252	var data [][]string253	for fname, file := range files {254		for _, function := range file.functions {255			data = append(data, []string{256				fname,257				function.name,258				strconv.Itoa(function.covered),259				strconv.Itoa(function.pcs),260			})261		}262	}...

report.go

Source:report.go

...61type line struct {62	progCount map[int]bool // program indices that cover this line63	progIndex int          // example program index that covers this line64}65func (rg *ReportGenerator) prepareFileMap(progs []Prog) (map[string]*file, error) {66	if err := rg.lazySymbolize(progs); err != nil {67		return nil, err68	}69	files := make(map[string]*file)70	for _, unit := range rg.Units {71		files[unit.Name] = &file{72			module:   unit.Module.Name,73			filename: unit.Path,74			lines:    make(map[int]line),75			totalPCs: len(unit.PCs),76		}77	}78	progPCs := make(map[uint64]map[int]bool)79	for i, prog := range progs {...

prepareFileMap

Using AI Code Generation

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

prepareFileMap

Using AI Code Generation

1import (2func main() {3	f, err := parser.ParseFile(fset, path, nil, 0)4	if err != nil {5		fmt.Println(err)6	}7	cover := &Cover{}8	cover.prepareFileMap(fset, f)9	fmt.Println(cover.fileMap)10}11type Cover struct {12}13func (c *Cover) prepareFileMap(fset *token.FileSet, f *ast.File) {14	c.fileMap = make(map[string]map[string]bool)15	for _, decl := range f.Decls {16		if fun, ok := decl.(*ast.FuncDecl); ok {17			filename := fset.Position(fun.Pos()).Filename18			if _, ok := c.fileMap[filename]; !ok {19				c.fileMap[filename] = make(map[string]bool)20			}21			if _, ok := c.fileMap[filename][funcName]; !ok {22			}23		}24	}25}26func (c *Cover) checkFileMap() {27	for filename, funcs := range c.fileMap {28		if _, err := os.Stat(filename); os.IsNotExist(err) {29			fmt.Println("File does not exist:", filename)

prepareFileMap

Using AI Code Generation

1import (2func main() {3	if len(os.Args) < 2 {4		fmt.Println("Please provide file name as argument")5	} else {6		cover := Cover{}7		cover.prepareFileMap(fileName)8	}9}10import (11func main() {12	if len(os.Args) < 2 {13		fmt.Println("Please provide file name as argument")14	} else {15		cover := Cover{}16		cover.prepareFileMap(fileName)17	}18}19import (20func main() {21	if len(os.Args) < 2 {22		fmt.Println("Please provide file name as argument")23	} else {24		cover := Cover{}25		cover.prepareFileMap(fileName)26	}27}28import (29func main() {30	if len(os.Args) < 2 {31		fmt.Println("Please provide file name as argument")32	} else {33		cover := Cover{}34		cover.prepareFileMap(fileName)35	}36}37import (38func main() {39	if len(os.Args) < 2 {40		fmt.Println("Please provide file name as argument")41	} else {42		cover := Cover{}43		cover.prepareFileMap(fileName)44	}45}46import (47func main() {48	if len(os.Args) < 2 {49		fmt.Println("Please provide file name as argument")50	} else {51		cover := Cover{}52		cover.prepareFileMap(fileName)53	}54}

prepareFileMap

Using AI Code Generation

1import (2func main() {3 cover := cover.Cover{}4 cover.PrepareFileMap()5 fmt.Println(cover.FileMap)6}

prepareFileMap

Using AI Code Generation

1import (2func main() {3	c.prepareFileMap("2.go")4	fmt.Println(reflect.TypeOf(c.fileMap))5	fmt.Println(c.fileMap)6	for key, value := range c.fileMap {7		fmt.Println("key: ", key, "value: ", value)8	}9}10import (11func main() {12	c.prepareFileMap("3.go")13	fmt.Println(reflect.TypeOf(c.fileMap))14	fmt.Println(c.fileMap)15	for key, value := range c.fileMap {16		fmt.Println("key: ", key, "value: ", value)17	}18}19import (20func main() {21	c.prepareFileMap("4.go")22	fmt.Println(reflect.TypeOf(c.fileMap))23	fmt.Println(c.fileMap)24	for key, value := range c.fileMap {25		fmt.Println("key: ", key, "value: ", value)26	}27}28import (29func main() {30	c.prepareFileMap("5.go")31	fmt.Println(reflect.TypeOf(c.fileMap))32	fmt.Println(c.fileMap)33	for key, value := range c.fileMap {34		fmt.Println("key: ", key, "value: ", value)35	}36}37import (38func main() {39	c.prepareFileMap("6.go")40	fmt.Println(reflect.TypeOf(c.fileMap))41	fmt.Println(c.fileMap)42	for key, value := range c.fileMap {43		fmt.Println("key: ", key, "value: ", value)44	}45}46import (47func main() {

prepareFileMap

Using AI Code Generation

1import "fmt"2func main() {3  fmt.Println("Enter the path of the directory: ")4  fmt.Scanln(&path)5  c.prepareFileMap(path)6  fmt.Println("File Map: ", c.fileMap)7  fmt.Println("File Map Size: ", len(c.fileMap))8}9import "fmt"10func main() {11  fmt.Println("Enter the path of the directory: ")12  fmt.Scanln(&path)13  c.prepareCoverMap(path)14  fmt.Println("Cover Map: ", c.coverMap)15  fmt.Println("Cover Map Size: ", len(c.coverMap))16}17import "fmt"18func main() {19  fmt.Println("Enter the path of the directory: ")20  fmt.Scanln(&path)21  c.prepareFileMap(path)22  fmt.Println("File Map: ", c.fileMap)23  fmt.Println("File Map Size: ", len(c.fileMap))24}25import "fmt"26func main() {27  fmt.Println("Enter the path of the directory: ")28  fmt.Scanln(&path)29  c.prepareCoverMap(path)30  fmt.Println("Cover Map: ", c.coverMap)31  fmt.Println("Cover Map Size: ", len(c.coverMap))32}33import "fmt"34func main() {35  fmt.Println("Enter the path of the directory: ")36  fmt.Scanln(&path)37  c.prepareFileMap(path)38  fmt.Println("File Map: ", c.fileMap)39  fmt.Println("File Map Size: ", len(c.fileMap))40}41import "fmt"42func main() {43  fmt.Println("Enter the path of the directory: ")44  fmt.Scanln(&

prepareFileMap

Using AI Code Generation

1import (2func main() {3	files = append(files, "1.go")4	files = append(files, "2.go")5	files = append(files, "3.go")6	files = append(files, "4.go")7	c := cover.New(files)8	fileMap := c.PrepareFileMap()9	fmt.Println(fileMap)10}11import (12func main() {13	c := cover.New(files)14	fileMap := c.PrepareFileMap()15	fmt.Println(fileMap)16}17import (18func main() {19	files = append(files, "1.go")20	files = append(files, "2.go")21	files = append(files, "3.go")22	files = append(files, "4.go")23	c := cover.New(files)24	fileMap := c.PrepareFileMap()25	fmt.Println(fileMap)26}27import (28func main() {29	files = append(files, "1.go")30	files = append(files, "2.go")31	files = append(files, "3.go")32	files = append(files, "4.go")33	c := cover.New(files)34	fileMap := c.PrepareFileMap()35	fmt.Println(fileMap)36}37import (

prepareFileMap

Using AI Code Generation

1import (2func main() {3	cover := new(cover)4	cover.prepareFileMap()5	cover.printFileMap()6}7import (8func main() {9	cover := new(cover)10	cover.prepareFileMap()11	cover.printFileMap()12}13import (14func main() {15	cover := new(cover)16	cover.prepareFileMap()17	cover.printFileMap()18}19import (20func main() {21	cover := new(cover)22	cover.prepareFileMap()23	cover.printFileMap()24}25import (26func main() {27	cover := new(cover)28	cover.prepareFileMap()29	cover.printFileMap()30}31import (32func main() {33	cover := new(cover)34	cover.prepareFileMap()

prepareFileMap

Using AI Code Generation

1import (2func main() {3	c := cover.NewCover()4	err := c.PrepareFileMap(os.Args[1])5	if err != nil {6		log.Fatal(err)7	}8	fmt.Println(c.FileMap)9}10import (11func main() {12	c := cover.NewCover()13	err := c.PrepareFileMap(os.Args[1])14	if err != nil {15		log.Fatal(err)16	}17	fmt.Println(c.FileMap)18}19import (20func main() {21	c := cover.NewCover()22	err := c.PrepareFileMap(os.Args[1])23	if err != nil {24		log.Fatal(err)25	}26	fmt.Println(c.FileMap)27}28import (29func main() {30	c := cover.NewCover()31	err := c.PrepareFileMap(os.Args[1])32	if err != nil {33		log.Fatal(err)34	}35	fmt.Println(c.FileMap)36}37import (38func main() {39	c := cover.NewCover()40	err := c.PrepareFileMap(os.Args[1])41	if err != nil {42		log.Fatal(err)43	}44	fmt.Println(c.FileMap)45}46import (47func main() {48	c := cover.NewCover()

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