106 lines
2.5 KiB
Go
106 lines
2.5 KiB
Go
package golinters
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import (
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"fmt"
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"go/ast"
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"sync"
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"golang.org/x/tools/go/analysis"
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"github.com/golangci/golangci-lint/pkg/config"
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"github.com/golangci/golangci-lint/pkg/golinters/goanalysis"
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"github.com/golangci/golangci-lint/pkg/golinters/nolintlint"
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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 NoLintLintName = "nolintlint"
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//nolint:dupl
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func NewNoLintLint(settings *config.NoLintLintSettings) *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: NoLintLintName,
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Doc: goanalysis.TheOnlyanalyzerDoc,
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Run: func(pass *analysis.Pass) (any, error) {
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issues, err := runNoLintLint(pass, settings)
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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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mu.Lock()
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resIssues = append(resIssues, issues...)
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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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NoLintLintName,
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"Reports ill-formed or insufficient nolint directives",
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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.LoadModeSyntax)
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}
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func runNoLintLint(pass *analysis.Pass, settings *config.NoLintLintSettings) ([]goanalysis.Issue, error) {
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var needs nolintlint.Needs
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if settings.RequireExplanation {
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needs |= nolintlint.NeedsExplanation
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}
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if settings.RequireSpecific {
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needs |= nolintlint.NeedsSpecific
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}
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if !settings.AllowUnused {
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needs |= nolintlint.NeedsUnused
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}
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lnt, err := nolintlint.NewLinter(needs, settings.AllowNoExplanation)
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if err != nil {
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return nil, err
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}
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nodes := make([]ast.Node, 0, len(pass.Files))
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for _, n := range pass.Files {
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nodes = append(nodes, n)
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}
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lintIssues, err := lnt.Run(pass.Fset, nodes...)
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if err != nil {
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return nil, fmt.Errorf("linter failed to run: %s", err)
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}
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var issues []goanalysis.Issue
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for _, i := range lintIssues {
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expectNoLint := false
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var expectedNolintLinter string
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if ii, ok := i.(nolintlint.UnusedCandidate); ok {
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expectedNolintLinter = ii.ExpectedLinter
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expectNoLint = true
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}
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issue := &result.Issue{
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FromLinter: NoLintLintName,
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Text: i.Details(),
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Pos: i.Position(),
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ExpectNoLint: expectNoLint,
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ExpectedNoLintLinter: expectedNolintLinter,
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Replacement: i.Replacement(),
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}
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issues = append(issues, goanalysis.NewIssue(issue, pass))
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}
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return issues, nil
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}
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