integrity sha512-XnAIvQ8eM+kC6aULx6wuQiwVsnzsi9d3WxzV3FpWTGA19F621kwdbsAcFKXgKUHZWsy+mY6iL1sHTxWEFCytDA==
  dependencies:
    balanced-match "^1.0.0"

braces@^3.0.2, braces@~3.0.2:
  version "3.0.2"
  resolved "https://registry.yarnpkg.com/braces/-/braces-3.0.2.tgz#3454e1a462ee8d599e236df336cd9ea4f8afe107"

	"os"
	"regexp"
	"strings"

	"internal/trace"
	"internal/trace/event"
	"internal/trace/event/go122"
	"internal/trace/raw"
	"internal/trace/version"
	"internal/txtar"
)

func Main(f func(*Trace)) {
	// Create an output file.
	out, err := os.Create(os.Args[1])
	if err != nil {
		panic(err.Error())
	}
	defer out.Close()

	// Create a new trace.
	trace := NewTrace()

	// Call the generator.

// Copyright 2020 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 trace

import (
	"context"
	"encoding/json"
	"errors"
	"internal/trace/traceviewer/format"
	"os"
	"strings"
	"sync/atomic"
	"time"
)

// Constants used in event fields.
// See https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU

		buf.link = trace.empty
		trace.empty = buf
		trace.reading = nil
	}
	// Write trace header.
	if !trace.headerWritten {
		trace.headerWritten = true
		unlock(&trace.lock)
		return []byte("go 1.23 trace\x00\x00\x00"), false
	}

	// Read the next buffer.

	if trace.readerGen.Load() == 0 {
		trace.readerGen.Store(1)
	}
	var gen uintptr
	for {
		assertLockHeld(&trace.lock)

import "C"
import (
	"context"
	"fmt"
	"log"
	"os"
	"runtime/trace"
)

func init() {
	register("Trace", Trace)
}

// Trace is used by TestTraceUnwindCGO.
func Trace() {
	file, err := os.CreateTemp("", "testprogcgo_trace")
	if err != nil {
		log.Fatalf("failed to create temp file: %s", err)
	}
	defer file.Close()

	if err := trace.Start(file); err != nil {
		log.Fatal(err)
	}
	defer trace.Stop()

)

func PackIndexExpr(x ast.Expr, lbrack token.Pos, exprs []ast.Expr, rbrack token.Pos) ast.Expr {
	switch len(exprs) {
	case 0:
		panic("internal error: PackIndexExpr with empty expr slice")
	case 1:
		return &ast.IndexExpr{
			X:      x,
			Lbrack: lbrack,
			Index:  exprs[0],
			Rbrack: rbrack,
		}
	default:
		return &ast.IndexListExpr{
			X:       x,
			Lbrack:  lbrack,
			Indices: exprs,
			Rbrack:  rbrack,

Cuong Manh Le <******@****.***> 1665464211 +0700

// captured for most events. The generated trace can be interpreted
// using `go tool trace`.
//
// Support for tracing tests and benchmarks built with the standard
// testing package is built into `go test`. For example, the following
// command runs the test in the current directory and writes the trace
// file (trace.out).
//
//	go test -trace=trace.out
//

	if trace == nil {
		panic("nil trace")
	}
	old := ContextClientTrace(ctx)
	trace.compose(old)

	ctx = context.WithValue(ctx, clientEventContextKey{}, trace)
	if trace.hasNetHooks() {
		nt := &nettrace.Trace{
			ConnectStart: trace.ConnectStart,
			ConnectDone:  trace.ConnectDone,
		}
		if trace.DNSStart != nil {
			nt.DNSStart = func(name string) {

	v := ctx.Value(TraceParamsKey{})
	// Should match SingleHandler.Call checks.
	switch typed := v.(type) {
	case *MSS:
		trace.Path += typed.ToQuery()
	case map[string]string:
		m := MSS(typed)
		trace.Path += m.ToQuery()
	case *URLValues:
		trace.Path += typed.Values().Encode()
	case *NoPayload, *Bytes:
		trace.Path = fmt.Sprintf("%s?payload=%T", trace.Path, typed)