83 lines
1.9 KiB
Go
83 lines
1.9 KiB
Go
package golinters
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import (
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"sync"
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goimportsAPI "github.com/golangci/gofmt/goimports"
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"github.com/pkg/errors"
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"golang.org/x/tools/go/analysis"
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"golang.org/x/tools/imports"
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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/lint/linter"
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)
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const goimportsName = "goimports"
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func NewGoimports(settings *config.GoImportsSettings) *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: goimportsName,
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Doc: goanalysis.TheOnlyanalyzerDoc,
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Run: goanalysis.DummyRun,
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}
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return goanalysis.NewLinter(
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goimportsName,
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"In addition to fixing imports, goimports also formats your code in the same style as gofmt.",
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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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imports.LocalPrefix = settings.LocalPrefixes
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analyzer.Run = func(pass *analysis.Pass) (interface{}, error) {
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issues, err := runGoiImports(lintCtx, pass)
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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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}).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 runGoiImports(lintCtx *linter.Context, pass *analysis.Pass) ([]goanalysis.Issue, error) {
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fileNames := getFileNames(pass)
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var issues []goanalysis.Issue
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for _, f := range fileNames {
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diff, err := goimportsAPI.Run(f)
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if err != nil { // TODO: skip
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return nil, err
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}
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if diff == nil {
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continue
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}
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is, err := extractIssuesFromPatch(string(diff), lintCtx, goimportsName)
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if err != nil {
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return nil, errors.Wrapf(err, "can't extract issues from gofmt diff output %q", string(diff))
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}
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for i := range is {
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issues = append(issues, goanalysis.NewIssue(&is[i], pass))
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}
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}
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return issues, nil
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}
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