blob: 0461cab5f057a9a30db4f96365117cbca42cdf86 [file] [log] [blame]
// Copyright 2022 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.
// Use the nopc flag for benchmarks, on the assumption
// that retrieving the pc will become cheap.
//go:build nopc
package slog
// LogDepth is like [Logger.Log], but accepts a call depth to adjust the
// file and line number in the log record. 0 refers to the caller
// of LogDepth; 1 refers to the caller's caller; and so on.
func (l *Logger) LogDepth(calldepth int, level Level, msg string, args ...any) {
if !l.Enabled(level) {
l.logPC(nil, 0, level, msg, args...)
// LogAttrsDepth is like [Logger.LogAttrs], but accepts a call depth argument
// which it interprets like [Logger.LogDepth].
func (l *Logger) LogAttrsDepth(calldepth int, level Level, msg string, attrs ...Attr) {
if !l.Enabled(level) {
r := l.makeRecord(msg, level, 0)
_ = l.Handler().Handle(r)
// logDepthErr is a trivial wrapper around logDepth, just to make the call
// depths on all paths the same. This is important only for the defaultHandler,
// which passes a fixed call depth to log.Output. When slog moves to the
// standard library, we can replace that fixed call depth with logic based on
// the Record's pc, and remove this function. See the comment on
// TestConnections/wrap_default_handler.
func (l *Logger) logDepthErr(err error, calldepth int, level Level, msg string, args ...any) {
if !l.Enabled(level) {
l.logPC(err, 0, level, msg, args...)
// pc returns 0 to avoid incurring the cost of runtime.Callers.
func pc(depth int) uintptr { return 0 }