mirror of
https://github.com/woodpecker-ci/woodpecker.git
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c28f7cb29f
Initial part of #435
83 lines
2.2 KiB
Go
83 lines
2.2 KiB
Go
package golinters
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import (
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"fmt"
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"go/token"
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"sync"
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duplAPI "github.com/golangci/dupl"
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"github.com/pkg/errors"
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"golang.org/x/tools/go/analysis"
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"github.com/golangci/golangci-lint/pkg/fsutils"
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"github.com/golangci/golangci-lint/pkg/golinters/goanalysis"
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"github.com/golangci/golangci-lint/pkg/lint/linter"
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"github.com/golangci/golangci-lint/pkg/result"
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)
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const duplLinterName = "dupl"
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func NewDupl() *goanalysis.Linter {
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var mu sync.Mutex
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var resIssues []goanalysis.Issue
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analyzer := &analysis.Analyzer{
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Name: duplLinterName,
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Doc: goanalysis.TheOnlyanalyzerDoc,
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}
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return goanalysis.NewLinter(
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duplLinterName,
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"Tool for code clone detection",
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[]*analysis.Analyzer{analyzer},
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nil,
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).WithContextSetter(func(lintCtx *linter.Context) {
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analyzer.Run = func(pass *analysis.Pass) (interface{}, error) {
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var fileNames []string
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for _, f := range pass.Files {
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pos := pass.Fset.PositionFor(f.Pos(), false)
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fileNames = append(fileNames, pos.Filename)
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}
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issues, err := duplAPI.Run(fileNames, lintCtx.Settings().Dupl.Threshold)
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if err != nil {
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return nil, err
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}
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if len(issues) == 0 {
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return nil, nil
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}
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res := make([]goanalysis.Issue, 0, len(issues))
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for _, i := range issues {
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toFilename, err := fsutils.ShortestRelPath(i.To.Filename(), "")
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if err != nil {
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return nil, errors.Wrapf(err, "failed to get shortest rel path for %q", i.To.Filename())
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}
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dupl := fmt.Sprintf("%s:%d-%d", toFilename, i.To.LineStart(), i.To.LineEnd())
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text := fmt.Sprintf("%d-%d lines are duplicate of %s",
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i.From.LineStart(), i.From.LineEnd(),
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formatCode(dupl, lintCtx.Cfg))
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res = append(res, goanalysis.NewIssue(&result.Issue{
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Pos: token.Position{
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Filename: i.From.Filename(),
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Line: i.From.LineStart(),
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},
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LineRange: &result.Range{
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From: i.From.LineStart(),
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To: i.From.LineEnd(),
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},
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Text: text,
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FromLinter: duplLinterName,
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}, pass))
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}
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mu.Lock()
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resIssues = append(resIssues, res...)
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mu.Unlock()
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return nil, nil
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}
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}).WithIssuesReporter(func(*linter.Context) []goanalysis.Issue {
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return resIssues
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}).WithLoadMode(goanalysis.LoadModeSyntax)
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}
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