whatcanGOwrong

go/pkg/mod/github.com/nametake/golangci-lint-langserver@v0.0.9/logger.go

@@ -0,0 +1,43 @@
+package main
+
+import (
+	"encoding/json"
+	"log"
+	"os"
+)
+
+var _ logger = (*stdLogger)(nil)
+
+type logger interface {
+	Printf(format string, args ...interface{})
+	DebugJSON(label string, arg interface{})
+}
+
+type stdLogger struct {
+	debug  bool
+	stderr *log.Logger
+}
+
+func newStdLogger(debug bool) *stdLogger {
+	return &stdLogger{
+		debug:  debug,
+		stderr: log.New(os.Stderr, "", 0),
+	}
+}
+
+func (l *stdLogger) Printf(format string, args ...interface{}) {
+	l.stderr.Printf(format, args...)
+}
+
+func (l *stdLogger) DebugJSON(label string, arg interface{}) {
+	if !l.debug {
+		return
+	}
+
+	b, err := json.Marshal(arg)
+	if err != nil {
+		l.stderr.Println(err)
+	}
+
+	l.stderr.Println(label, string(b))
+}