139 lines
3.2 KiB
Go
139 lines
3.2 KiB
Go
package golinters
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import (
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"fmt"
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"strings"
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"sync"
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gcicfg "github.com/daixiang0/gci/pkg/configuration"
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"github.com/daixiang0/gci/pkg/gci"
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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/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 gciName = "gci"
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func NewGci(settings *config.GciSettings) *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: gciName,
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Doc: goanalysis.TheOnlyanalyzerDoc,
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Run: goanalysis.DummyRun,
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}
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var cfg *gci.GciConfiguration
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if settings != nil {
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rawCfg := gci.GciStringConfiguration{
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Cfg: gcicfg.FormatterConfiguration{
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NoInlineComments: settings.NoInlineComments,
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NoPrefixComments: settings.NoPrefixComments,
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},
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SectionStrings: settings.Sections,
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SectionSeparatorStrings: settings.SectionSeparator,
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}
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if settings.LocalPrefixes != "" {
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prefix := []string{"standard", "default", fmt.Sprintf("prefix(%s)", settings.LocalPrefixes)}
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rawCfg.SectionStrings = prefix
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}
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cfg, _ = rawCfg.Parse()
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}
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var lock sync.Mutex
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return goanalysis.NewLinter(
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gciName,
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"Gci controls golang package import order and makes it always deterministic.",
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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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issues, err := runGci(pass, lintCtx, cfg, &lock)
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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 runGci(pass *analysis.Pass, lintCtx *linter.Context, cfg *gci.GciConfiguration, lock *sync.Mutex) ([]goanalysis.Issue, 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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var diffs []string
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err := gci.DiffFormattedFilesToArray(fileNames, *cfg, &diffs, lock)
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if err != nil {
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return nil, err
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}
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var issues []goanalysis.Issue
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for _, diff := range diffs {
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if diff == "" {
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continue
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}
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is, err := extractIssuesFromPatch(diff, lintCtx, gciName)
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if err != nil {
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return nil, errors.Wrapf(err, "can't extract issues from gci diff output %s", 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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func getErrorTextForGci(settings config.GciSettings) string {
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text := "File is not `gci`-ed"
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hasOptions := settings.NoInlineComments || settings.NoPrefixComments || len(settings.Sections) > 0 || len(settings.SectionSeparator) > 0
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if !hasOptions {
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return text
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}
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text += " with"
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if settings.NoInlineComments {
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text += " -NoInlineComments"
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}
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if settings.NoPrefixComments {
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text += " -NoPrefixComments"
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}
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if len(settings.Sections) > 0 {
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text += " -s " + strings.Join(settings.Sections, ",")
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}
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if len(settings.SectionSeparator) > 0 {
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text += " -x " + strings.Join(settings.SectionSeparator, ",")
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}
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return text
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}
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