68 lines
2.1 KiB
Go
68 lines
2.1 KiB
Go
package golinters
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import (
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"fmt"
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"strconv"
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"strings"
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"github.com/julz/importas"
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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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func NewImportAs(settings *config.ImportAsSettings) *goanalysis.Linter {
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analyzer := importas.Analyzer
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return goanalysis.NewLinter(
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analyzer.Name,
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analyzer.Doc,
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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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if settings == nil {
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return
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}
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if len(settings.Alias) == 0 {
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lintCtx.Log.Infof("importas settings found, but no aliases listed. List aliases under alias: key.")
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}
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if err := analyzer.Flags.Set("no-unaliased", strconv.FormatBool(settings.NoUnaliased)); err != nil {
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lintCtx.Log.Errorf("failed to parse configuration: %v", err)
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}
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if err := analyzer.Flags.Set("no-extra-aliases", strconv.FormatBool(settings.NoExtraAliases)); err != nil {
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lintCtx.Log.Errorf("failed to parse configuration: %v", err)
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}
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uniqPackages := make(map[string]config.ImportAsAlias)
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uniqAliases := make(map[string]config.ImportAsAlias)
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for _, a := range settings.Alias {
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if a.Pkg == "" {
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lintCtx.Log.Errorf("invalid configuration, empty package: pkg=%s alias=%s", a.Pkg, a.Alias)
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continue
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}
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if v, ok := uniqPackages[a.Pkg]; ok {
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lintCtx.Log.Errorf("invalid configuration, multiple aliases for the same package: pkg=%s aliases=[%s,%s]", a.Pkg, a.Alias, v.Alias)
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} else {
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uniqPackages[a.Pkg] = a
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}
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// skip the duplication check when the alias is a regular expression replacement pattern (ie. contains `$`).
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if v, ok := uniqAliases[a.Alias]; ok && !strings.Contains(a.Alias, "$") {
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lintCtx.Log.Errorf("invalid configuration, multiple packages with the same alias: alias=%s packages=[%s,%s]", a.Alias, a.Pkg, v.Pkg)
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} else {
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uniqAliases[a.Alias] = a
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}
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err := analyzer.Flags.Set("alias", fmt.Sprintf("%s:%s", a.Pkg, a.Alias))
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if err != nil {
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lintCtx.Log.Errorf("failed to parse configuration: %v", err)
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}
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}
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}).WithLoadMode(goanalysis.LoadModeTypesInfo)
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}
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