forked from mirror/glob
65 lines
906 B
Go
65 lines
906 B
Go
// +build globdebug
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package debug
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import (
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"fmt"
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"os"
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"strings"
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)
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const Enabled = true
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var (
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i = 0
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prefix = map[int]string{}
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)
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func Logf(f string, args ...interface{}) {
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if f != "" && prefix[i] != "" {
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f = ": " + f
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}
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fmt.Fprint(os.Stderr,
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strings.Repeat(" ", i),
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fmt.Sprintf("(%d) ", i),
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prefix[i],
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fmt.Sprintf(f, args...),
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"\n",
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)
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}
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func Indexing(name, s string) func(int, []int) {
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EnterPrefix("%s: index: %q", name, s)
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return func(index int, segments []int) {
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Logf("-> %d, %v", index, segments)
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LeavePrefix()
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}
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}
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func Matching(name, s string) func(bool) {
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EnterPrefix("%s: match %q", name, s)
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return func(ok bool) {
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Logf("-> %t", ok)
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LeavePrefix()
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}
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}
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func EnterPrefix(s string, args ...interface{}) {
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Enter()
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prefix[i] = fmt.Sprintf(s, args...)
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Logf("")
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}
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func LeavePrefix() {
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prefix[i] = ""
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Leave()
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}
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func Enter() {
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i++
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}
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func Leave() {
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i--
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}
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