72 lines
1.7 KiB
Go
72 lines
1.7 KiB
Go
package golinters
|
|
|
|
import (
|
|
"fmt"
|
|
"sync"
|
|
|
|
structcheckAPI "github.com/golangci/check/cmd/structcheck"
|
|
"golang.org/x/tools/go/analysis"
|
|
|
|
"github.com/golangci/golangci-lint/pkg/config"
|
|
"github.com/golangci/golangci-lint/pkg/golinters/goanalysis"
|
|
"github.com/golangci/golangci-lint/pkg/lint/linter"
|
|
"github.com/golangci/golangci-lint/pkg/result"
|
|
)
|
|
|
|
const structcheckName = "structcheck"
|
|
|
|
//nolint:dupl
|
|
func NewStructcheck(settings *config.StructCheckSettings) *goanalysis.Linter {
|
|
var mu sync.Mutex
|
|
var resIssues []goanalysis.Issue
|
|
|
|
analyzer := &analysis.Analyzer{
|
|
Name: structcheckName,
|
|
Doc: goanalysis.TheOnlyanalyzerDoc,
|
|
Run: func(pass *analysis.Pass) (any, error) {
|
|
issues := runStructCheck(pass, settings)
|
|
|
|
if len(issues) == 0 {
|
|
return nil, nil
|
|
}
|
|
|
|
mu.Lock()
|
|
resIssues = append(resIssues, issues...)
|
|
mu.Unlock()
|
|
|
|
return nil, nil
|
|
},
|
|
}
|
|
|
|
return goanalysis.NewLinter(
|
|
structcheckName,
|
|
"Finds unused struct fields",
|
|
[]*analysis.Analyzer{analyzer},
|
|
nil,
|
|
).WithIssuesReporter(func(*linter.Context) []goanalysis.Issue {
|
|
return resIssues
|
|
}).WithLoadMode(goanalysis.LoadModeTypesInfo)
|
|
}
|
|
|
|
//nolint:dupl
|
|
func runStructCheck(pass *analysis.Pass, settings *config.StructCheckSettings) []goanalysis.Issue {
|
|
prog := goanalysis.MakeFakeLoaderProgram(pass)
|
|
|
|
lintIssues := structcheckAPI.Run(prog, settings.CheckExportedFields)
|
|
if len(lintIssues) == 0 {
|
|
return nil
|
|
}
|
|
|
|
issues := make([]goanalysis.Issue, 0, len(lintIssues))
|
|
|
|
for _, i := range lintIssues {
|
|
issues = append(issues, goanalysis.NewIssue(&result.Issue{
|
|
Pos: i.Pos,
|
|
Text: fmt.Sprintf("%s is unused", formatCode(i.FieldName, nil)),
|
|
FromLinter: structcheckName,
|
|
}, pass))
|
|
}
|
|
|
|
return issues
|
|
}
|