golangci-lint/pkg/runner.go
2018-05-05 22:22:21 +03:00

79 lines
1.8 KiB
Go

package pkg
import (
"context"
"fmt"
"os"
"github.com/golangci/golangci-lint/pkg/config"
"github.com/golangci/golangci-lint/pkg/result"
"github.com/golangci/golangci-lint/pkg/result/processors"
"github.com/golangci/golangci-shared/pkg/analytics"
"github.com/golangci/golangci-shared/pkg/executors"
)
type Runner interface {
Run(ctx context.Context, linters []Linter, exec executors.Executor, cfg *config.Run) ([]result.Issue, error)
}
type SimpleRunner struct {
Processors []processors.Processor
}
func (r SimpleRunner) Run(ctx context.Context, linters []Linter, exec executors.Executor, cfg *config.Run) ([]result.Issue, error) {
results := []result.Result{}
savedStdout, savedStderr := os.Stdout, os.Stderr
devNull, err := os.Open(os.DevNull)
if err != nil {
return nil, fmt.Errorf("can't open null device %q: %s", os.DevNull, err)
}
for _, linter := range linters {
os.Stdout, os.Stderr = devNull, devNull
res, err := linter.Run(ctx, exec, cfg)
os.Stdout, os.Stderr = savedStdout, savedStderr
if err != nil {
analytics.Log(ctx).Warnf("Can't run linter %+v: %s", linter, err)
continue
}
if len(res.Issues) == 0 {
continue
}
results = append(results, *res)
}
results, err = r.processResults(results)
if err != nil {
return nil, fmt.Errorf("can't process results: %s", err)
}
return r.mergeResults(results), nil
}
func (r SimpleRunner) processResults(results []result.Result) ([]result.Result, error) {
if len(r.Processors) == 0 {
return results, nil
}
for _, p := range r.Processors {
var err error
results, err = p.Process(results)
if err != nil {
return nil, err
}
}
return results, nil
}
func (r SimpleRunner) mergeResults(results []result.Result) []result.Issue {
issues := []result.Issue{}
for _, r := range results {
issues = append(issues, r.Issues...)
}
return issues
}