104 lines
2.5 KiB
Go
104 lines
2.5 KiB
Go
package golinters
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import (
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"context"
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"fmt"
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"go/build"
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"io/ioutil"
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"path/filepath"
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"github.com/golang/lint"
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"github.com/golangci/golangci-lint/pkg/result"
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)
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type Golint struct{}
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func (Golint) Name() string {
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return "golint"
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}
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func (g Golint) Run(ctx context.Context, lintCtx *Context) (*result.Result, error) {
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var issues []result.Issue
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if lintCtx.Paths.IsDirsRun {
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for _, path := range lintCtx.Paths.Dirs {
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i, err := lintDir(path, lintCtx.RunCfg().Golint.MinConfidence)
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if err != nil {
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// TODO: skip and warn
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return nil, fmt.Errorf("can't lint dir %s: %s", path, err)
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}
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issues = append(issues, i...)
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}
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} else {
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i, err := lintFiles(lintCtx.RunCfg().Golint.MinConfidence, lintCtx.Paths.Files...)
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if err != nil {
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// TODO: skip and warn
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return nil, fmt.Errorf("can't lint files %s: %s", lintCtx.Paths.Files, err)
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}
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issues = append(issues, i...)
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}
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return &result.Result{
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Issues: issues,
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}, nil
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}
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func lintDir(dirname string, minConfidence float64) ([]result.Issue, error) {
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pkg, err := build.ImportDir(dirname, 0)
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if err != nil {
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if _, nogo := err.(*build.NoGoError); nogo {
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// Don't complain if the failure is due to no Go source files.
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return nil, nil
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}
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return nil, fmt.Errorf("can't import dir %s", dirname)
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}
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return lintImportedPackage(pkg, minConfidence)
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}
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func lintImportedPackage(pkg *build.Package, minConfidence float64) ([]result.Issue, error) {
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var files []string
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files = append(files, pkg.GoFiles...)
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files = append(files, pkg.CgoFiles...)
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files = append(files, pkg.TestGoFiles...)
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files = append(files, pkg.XTestGoFiles...)
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if pkg.Dir != "." {
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for i, f := range files {
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files[i] = filepath.Join(pkg.Dir, f)
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}
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}
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return lintFiles(minConfidence, files...)
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}
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func lintFiles(minConfidence float64, filenames ...string) ([]result.Issue, error) {
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files := make(map[string][]byte)
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for _, filename := range filenames {
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src, err := ioutil.ReadFile(filename)
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if err != nil {
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return nil, fmt.Errorf("can't read file %s: %s", filename, err)
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}
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files[filename] = src
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}
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l := new(lint.Linter)
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ps, err := l.LintFiles(files)
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if err != nil {
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return nil, fmt.Errorf("can't lint files %s: %s", filenames, err)
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}
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var issues []result.Issue
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for _, p := range ps {
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if p.Confidence >= minConfidence {
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issues = append(issues, result.Issue{
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File: p.Position.Filename,
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LineNumber: p.Position.Line,
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Text: p.Text,
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})
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// TODO: use p.Link and p.Category
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}
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}
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return issues, nil
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}
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