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|
package helpers
import (
"fmt"
"strings"
"sync"
"time"
"github.com/evanw/esbuild/internal/logger"
)
type Timer struct {
data []timerData
mutex sync.Mutex
}
type timerData struct {
time time.Time
name string
isEnd bool
}
func (t *Timer) Begin(name string) {
if t != nil {
t.data = append(t.data, timerData{
name: name,
time: time.Now(),
})
}
}
func (t *Timer) End(name string) {
if t != nil {
t.data = append(t.data, timerData{
name: name,
time: time.Now(),
isEnd: true,
})
}
}
func (t *Timer) Fork() *Timer {
if t != nil {
return &Timer{}
}
return nil
}
func (t *Timer) Join(other *Timer) {
if t != nil && other != nil {
t.mutex.Lock()
defer t.mutex.Unlock()
t.data = append(t.data, other.data...)
}
}
func (t *Timer) Log(log logger.Log) {
if t == nil {
return
}
type pair struct {
timerData
index uint32
}
var notes []logger.MsgData
var stack []pair
indent := 0
for _, item := range t.data {
if !item.isEnd {
top := pair{timerData: item, index: uint32(len(notes))}
notes = append(notes, logger.MsgData{DisableMaximumWidth: true})
stack = append(stack, top)
indent++
} else {
indent--
last := len(stack) - 1
top := stack[last]
stack = stack[:last]
if item.name != top.name {
panic("Internal error")
}
notes[top.index].Text = fmt.Sprintf("%s%s: %dms",
strings.Repeat(" ", indent),
top.name,
item.time.Sub(top.time).Milliseconds())
}
}
log.AddIDWithNotes(logger.MsgID_None, logger.Info, nil, logger.Range{},
"Timing information (times may not nest hierarchically due to parallelism)", notes)
}
|
