62 lines
1.4 KiB
Go
62 lines
1.4 KiB
Go
package golinters
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import (
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"fmt"
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"sync"
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deadcodeAPI "github.com/golangci/go-misc/deadcode"
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"golang.org/x/tools/go/analysis"
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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 deadcodeName = "deadcode"
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func NewDeadcode() *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: deadcodeName,
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Doc: goanalysis.TheOnlyanalyzerDoc,
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Run: func(pass *analysis.Pass) (interface{}, error) {
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prog := goanalysis.MakeFakeLoaderProgram(pass)
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issues, err := deadcodeAPI.Run(prog)
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if err != nil {
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return nil, err
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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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res = append(res, goanalysis.NewIssue(&result.Issue{
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Pos: i.Pos,
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Text: fmt.Sprintf("%s is unused", formatCode(i.UnusedIdentName, nil)),
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FromLinter: deadcodeName,
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}, pass))
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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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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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}
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return goanalysis.NewLinter(
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deadcodeName,
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"Finds unused code",
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[]*analysis.Analyzer{analyzer},
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nil,
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).WithIssuesReporter(func(*linter.Context) []goanalysis.Issue {
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return resIssues
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}).WithLoadMode(goanalysis.LoadModeTypesInfo)
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}
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