Isaev Denis 95ec0cf21e
dramatically reduce memory usage ()
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: 
2019-09-30 16:19:41 +03:00

53 lines
1.3 KiB
Go

package golinters
import (
"fmt"
"sync"
deadcodeAPI "github.com/golangci/go-misc/deadcode"
"golang.org/x/tools/go/analysis"
"github.com/golangci/golangci-lint/pkg/golinters/goanalysis"
"github.com/golangci/golangci-lint/pkg/lint/linter"
"github.com/golangci/golangci-lint/pkg/result"
)
func NewDeadcode() *goanalysis.Linter {
const linterName = "deadcode"
var mu sync.Mutex
var resIssues []result.Issue
analyzer := &analysis.Analyzer{
Name: goanalysis.TheOnlyAnalyzerName,
Doc: goanalysis.TheOnlyanalyzerDoc,
Run: func(pass *analysis.Pass) (interface{}, error) {
prog := goanalysis.MakeFakeLoaderProgram(pass)
issues, err := deadcodeAPI.Run(prog)
if err != nil {
return nil, err
}
res := make([]result.Issue, 0, len(issues))
for _, i := range issues {
res = append(res, result.Issue{
Pos: i.Pos,
Text: fmt.Sprintf("%s is unused", formatCode(i.UnusedIdentName, nil)),
FromLinter: linterName,
})
}
mu.Lock()
resIssues = append(resIssues, res...)
mu.Unlock()
return nil, nil
},
}
return goanalysis.NewLinter(
linterName,
"Finds unused code",
[]*analysis.Analyzer{analyzer},
nil,
).WithIssuesReporter(func(*linter.Context) []result.Issue {
return resIssues
}).WithLoadMode(goanalysis.LoadModeTypesInfo)
}