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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| module github.com/xhd2015/xgo/runtime/test | ||
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| go 1.18 | ||
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| require ( | ||
| github.com/xhd2015/xgo/runtime v1.0.16 | ||
| ) | ||
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| replace github.com/xhd2015/xgo/runtime => ../ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,176 @@ | ||
| package main | ||
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| import ( | ||
| "fmt" | ||
| "io" | ||
| "os" | ||
| "strconv" | ||
| "strings" | ||
| ) | ||
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| func main() { | ||
| args := os.Args[1:] | ||
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| if len(args) == 0 { | ||
| fmt.Fprintf(os.Stderr, "requires cmd\n") | ||
| os.Exit(1) | ||
| } | ||
| cmd := args[0] | ||
| args = args[1:] | ||
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| var remainArgs []string | ||
| var outFile string | ||
| n := len(args) | ||
| for i := 0; i < n; i++ { | ||
| arg := args[i] | ||
| if arg == "-o" { | ||
| outFile = args[i+1] | ||
| i++ | ||
| continue | ||
| } | ||
| if !strings.HasPrefix(arg, "-") { | ||
| remainArgs = append(remainArgs, arg) | ||
| continue | ||
| } | ||
| fmt.Fprintf(os.Stderr, "unrecognized flag: %s\n", arg) | ||
| os.Exit(1) | ||
| } | ||
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| switch cmd { | ||
| case "merge": | ||
| if len(remainArgs) == 0 { | ||
| fmt.Fprintf(os.Stderr, "requires files\n") | ||
| os.Exit(1) | ||
| } | ||
| err := mergeCover(remainArgs, outFile) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "%v\n", err) | ||
| os.Exit(1) | ||
| } | ||
| default: | ||
| fmt.Fprintf(os.Stderr, "unrecognized cmd: %s\n", cmd) | ||
| os.Exit(1) | ||
| } | ||
| } | ||
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| func mergeCover(files []string, outFile string) error { | ||
| covs := make([][]*covLine, 0, len(files)) | ||
| for _, file := range files { | ||
| content, err := os.ReadFile(file) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| covs = append(covs, parseCover(string(content))) | ||
| } | ||
| res := merge(covs) | ||
| res = filter(res, func(line *covLine) bool { | ||
| if strings.HasPrefix(line.prefix, "github.com/xhd2015/xgo/runtime/test") { | ||
| return false | ||
| } | ||
| return true | ||
| }) | ||
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| mergedCov := formatCoverage("set", res) | ||
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| var out io.Writer = os.Stdout | ||
| if outFile != "" { | ||
| file, err := os.Create(outFile) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer file.Close() | ||
| out = file | ||
| } | ||
| _, err := io.WriteString(out, mergedCov) | ||
| return err | ||
| } | ||
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| func filter(covs []*covLine, check func(line *covLine) bool) []*covLine { | ||
| n := len(covs) | ||
| j := 0 | ||
| for i := 0; i < n; i++ { | ||
| if check(covs[i]) { | ||
| covs[j] = covs[i] | ||
| j++ | ||
| } | ||
| } | ||
| return covs[:j] | ||
| } | ||
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| func formatCoverage(mode string, lines []*covLine) string { | ||
| strs := make([]string, 0, len(lines)+1) | ||
| strs = append(strs, "mode: "+mode) | ||
| for _, line := range lines { | ||
| strs = append(strs, line.prefix+" "+strconv.FormatInt(line.count, 10)) | ||
| } | ||
| return strings.Join(strs, "\n") | ||
| } | ||
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| func merge(covs [][]*covLine) []*covLine { | ||
| if len(covs) == 0 { | ||
| return nil | ||
| } | ||
| if len(covs) == 1 { | ||
| return covs[0] | ||
| } | ||
| result := covs[0] | ||
| for i := 1; i < len(covs); i++ { | ||
| result = mergeCov(result, covs[i]) | ||
| } | ||
| return result | ||
| } | ||
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| func mergeCov(a []*covLine, b []*covLine) []*covLine { | ||
| for _, line := range b { | ||
| idx := -1 | ||
| for i := 0; i < len(a); i++ { | ||
| if a[i].prefix == line.prefix { | ||
| idx = i | ||
| break | ||
| } | ||
| } | ||
| if idx < 0 { | ||
| a = append(a, line) | ||
| } else { | ||
| // fmt.Printf("add %s %d %d\n", a[idx].prefix, a[idx].count, line.count) | ||
| a[idx].count += line.count | ||
| } | ||
| } | ||
| return a | ||
| } | ||
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| type covLine struct { | ||
| prefix string | ||
| count int64 | ||
| } | ||
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| func parseCover(content string) []*covLine { | ||
| lines := strings.Split(content, "\n") | ||
| if len(lines) > 0 && strings.HasPrefix(lines[0], "mode:") { | ||
| lines = lines[1:] | ||
| } | ||
| covLines := make([]*covLine, 0, len(lines)) | ||
| for _, line := range lines { | ||
| covLine := parseCovLine(line) | ||
| if covLine == nil { | ||
| continue | ||
| } | ||
| covLines = append(covLines, covLine) | ||
| } | ||
| return covLines | ||
| } | ||
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| func parseCovLine(line string) *covLine { | ||
| idx := strings.LastIndex(line, " ") | ||
| if idx < 0 { | ||
| return nil | ||
| } | ||
| cnt, err := strconv.ParseInt(line[idx+1:], 10, 64) | ||
| if err != nil { | ||
| cnt = 0 | ||
| } | ||
| return &covLine{ | ||
| prefix: line[:idx], | ||
| count: cnt, | ||
| } | ||
| } |
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