121 lines
2.5 KiB
Go
121 lines
2.5 KiB
Go
package processors
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import (
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"regexp"
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"github.com/golangci/golangci-lint/pkg/fsutils"
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"github.com/golangci/golangci-lint/pkg/logutils"
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"github.com/golangci/golangci-lint/pkg/result"
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)
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type excludeRule struct {
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text *regexp.Regexp
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source *regexp.Regexp
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path *regexp.Regexp
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linters []string
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}
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func (r *excludeRule) isEmpty() bool {
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return r.text == nil && r.path == nil && len(r.linters) == 0
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}
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type ExcludeRule struct {
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Text string
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Source string
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Path string
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Linters []string
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}
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type ExcludeRules struct {
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rules []excludeRule
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lineCache *fsutils.LineCache
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log logutils.Log
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}
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func NewExcludeRules(rules []ExcludeRule, lineCache *fsutils.LineCache, log logutils.Log) *ExcludeRules {
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r := &ExcludeRules{
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lineCache: lineCache,
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log: log,
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}
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for _, rule := range rules {
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parsedRule := excludeRule{
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linters: rule.Linters,
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}
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if rule.Text != "" {
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parsedRule.text = regexp.MustCompile("(?i)" + rule.Text)
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}
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if rule.Source != "" {
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parsedRule.source = regexp.MustCompile("(?i)" + rule.Source)
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}
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if rule.Path != "" {
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parsedRule.path = regexp.MustCompile(rule.Path)
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}
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r.rules = append(r.rules, parsedRule)
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}
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return r
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}
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func (p ExcludeRules) Process(issues []result.Issue) ([]result.Issue, error) {
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if len(p.rules) == 0 {
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return issues, nil
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}
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return filterIssues(issues, func(i *result.Issue) bool {
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for _, rule := range p.rules {
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rule := rule
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if p.match(i, &rule) {
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return false
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}
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}
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return true
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}), nil
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}
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func (p ExcludeRules) matchLinter(i *result.Issue, r *excludeRule) bool {
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for _, linter := range r.linters {
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if linter == i.FromLinter {
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return true
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}
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}
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return false
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}
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func (p ExcludeRules) matchSource(i *result.Issue, r *excludeRule) bool { //nolint:interfacer
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sourceLine, err := p.lineCache.GetLine(i.FilePath(), i.Line())
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if err != nil {
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p.log.Warnf("Failed to get line %s:%d from line cache: %s", i.FilePath(), i.Line(), err)
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return false // can't properly match
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}
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return r.source.MatchString(sourceLine)
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}
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func (p ExcludeRules) match(i *result.Issue, r *excludeRule) bool {
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if r.isEmpty() {
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return false
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}
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if r.text != nil && !r.text.MatchString(i.Text) {
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return false
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}
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if r.path != nil && !r.path.MatchString(i.FilePath()) {
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return false
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}
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if len(r.linters) != 0 && !p.matchLinter(i, r) {
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return false
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}
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// the most heavyweight checking last
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if r.source != nil && !p.matchSource(i, r) {
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return false
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}
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return true
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}
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func (ExcludeRules) Name() string { return "exclude-rules" }
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func (ExcludeRules) Finish() {}
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var _ Processor = ExcludeRules{}
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