mirror of
https://github.com/golang/go
synced 2024-11-06 03:16:10 -07:00
71482053b8
It is never invoked anyway, and it provices no useful benefit while complicating the implementation, as it is the only non context aware method. Change-Id: Id5a99439fedafdf4d71285e36103b4854cf3635a Reviewed-on: https://go-review.googlesource.com/c/tools/+/221540 Run-TryBot: Ian Cottrell <iancottrell@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
37 lines
1019 B
Go
37 lines
1019 B
Go
// Copyright 2019 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package export
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"io"
|
|
|
|
"golang.org/x/tools/internal/telemetry"
|
|
)
|
|
|
|
// LogWriter returns an observer that logs events to the supplied writer.
|
|
// If onlyErrors is true it does not log any event that did not have an
|
|
// associated error.
|
|
// It ignores all telemetry other than log events.
|
|
func LogWriter(w io.Writer, onlyErrors bool) Exporter {
|
|
return &logWriter{writer: w, onlyErrors: onlyErrors}
|
|
}
|
|
|
|
type logWriter struct {
|
|
writer io.Writer
|
|
onlyErrors bool
|
|
}
|
|
|
|
func (w *logWriter) StartSpan(context.Context, *telemetry.Span) {}
|
|
func (w *logWriter) FinishSpan(context.Context, *telemetry.Span) {}
|
|
func (w *logWriter) Log(ctx context.Context, event telemetry.Event) {
|
|
if w.onlyErrors && event.Error == nil {
|
|
return
|
|
}
|
|
fmt.Fprintf(w.writer, "%v\n", event)
|
|
}
|
|
func (w *logWriter) Metric(context.Context, telemetry.MetricData) {}
|