95ec0cf21e
Run all linters per package. It allows unloading package data when it's processed. It dramatically reduces memory (and CPU because of GC) usage. Relates: #337
66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
package golinters
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import (
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"go/token"
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"strings"
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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/golinters/goanalysis"
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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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"github.com/ultraware/funlen"
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)
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const funlenLinterName = "funlen"
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func NewFunlen() *goanalysis.Linter {
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var mu sync.Mutex
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var resIssues []result.Issue
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analyzer := &analysis.Analyzer{
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Name: goanalysis.TheOnlyAnalyzerName,
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Doc: goanalysis.TheOnlyanalyzerDoc,
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}
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return goanalysis.NewLinter(
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funlenLinterName,
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"Tool for detection of long functions",
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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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var issues []funlen.Message
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for _, file := range pass.Files {
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fileIssues := funlen.Run(file, pass.Fset, lintCtx.Settings().Funlen.Lines, lintCtx.Settings().Funlen.Statements)
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issues = append(issues, fileIssues...)
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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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res := make([]result.Issue, len(issues))
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for k, i := range issues {
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res[k] = result.Issue{
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Pos: token.Position{
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Filename: i.Pos.Filename,
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Line: i.Pos.Line,
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},
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Text: strings.TrimRight(i.Message, "\n"),
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FromLinter: funlenLinterName,
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}
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}
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mu.Lock()
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resIssues = append(resIssues, res...)
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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) []result.Issue {
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return resIssues
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}).WithLoadMode(goanalysis.LoadModeSyntax)
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}
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