of this source code is governed by a BSD-style
L3::: license that can be found in the LICENSE file.
L4:
L5:@echo off
L6:
L7:setlocal
L8:
L9:if exist make.bat goto ok
L10:echo all.bat must be run from go\src
L11::: cannot exit: would kill parent command interpreter
L12:goto end
L13::ok
L14:
L15:call .\make.bat --no-banner --no-local
L16:if %GOBUILDFAIL%==1 goto end
L17:call .\run.bat --no-rebuild --no-local
L18:if %GOBUILDFAIL%==1 goto end
L19:"%GOTOOLDIR%/dist" banner
L20:
L21::end
...

*/
package arena

import (
	"internal/reflectlite"
	"unsafe"
)

// Arena represents a collection of Go values allocated and freed together.
// Arenas are useful for improving efficiency as they may be freed back to
// the runtime manually, though any memory obtained from freed arenas must
// not be accessed once that happens. An Arena is automatically freed once
// it is no longer referenced, so it must be kept alive (see runtime.KeepAlive)

pkg go/types, method (*Basic) Underlying() Type
pkg go/types, method (*Builtin) Exported() bool
pkg go/types, method (*Builtin) Id() string
pkg go/types, method (*Builtin) Name() string
pkg go/types, method (*Builtin) Parent() *Scope
pkg go/types, method (*Builtin) Pkg() *Package
pkg go/types, method (*Builtin) Pos() token.Pos
pkg go/types, method (*Builtin) String() string
pkg go/types, method (*Builtin) Type() Type

		if err != nil {
			panic(err)
		}
	}
	return bytes.NewReader(b), int64(len(b))
}

func TestIssue8186(t *testing.T) {
	// Directory headers & data found in the TOC of a JAR file.
	dirEnts := []string{

pkg syscall (netbsd-arm64-cgo), const O_SHLOCK ideal-int
pkg syscall (netbsd-arm64-cgo), const O_SYNC = 128
pkg syscall (netbsd-arm64-cgo), const O_TRUNC = 1024
pkg syscall (netbsd-arm64-cgo), const PARENB = 4096
pkg syscall (netbsd-arm64-cgo), const PARENB ideal-int
pkg syscall (netbsd-arm64-cgo), const PARMRK = 8
pkg syscall (netbsd-arm64-cgo), const PARMRK ideal-int
pkg syscall (netbsd-arm64-cgo), const PARODD = 8192

that this implementation of Go or any code incorporated within this
implementation of Go constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any patent
rights granted to you under this License for this implementation of Go

	}
	in.macros[name] = &Macro{
		name:   name,
		args:   args,
		tokens: tokens,
	}
}

// macroDefinition returns the list of formals and the tokens of the definition.
// The argument list is nil for no parens on the definition; otherwise a list of
// formal argument names.
func (in *Input) macroDefinition(name string) ([]string, []Token) {
	prevCol := in.Stack.Col()
	tok := in.Stack.Next()

pkg syscall (darwin-386), const O_SYMLINK = 2097152
pkg syscall (darwin-386), const O_SYNC = 128
pkg syscall (darwin-386), const O_TRUNC = 1024
pkg syscall (darwin-386), const PARENB = 4096
pkg syscall (darwin-386), const PARENB ideal-int
pkg syscall (darwin-386), const PARMRK = 8
pkg syscall (darwin-386), const PARMRK ideal-int
pkg syscall (darwin-386), const PARODD = 8192

		"define without value",
		"#define A",
		"",
	},
	{
		"macro without arguments",
		"#define A() 1234\n" + "A()\n",
		"1234.\n",
	},
	{
		"macro with just parens as body",
		"#define A () \n" + "A\n",
		"(.).\n",
	},
	{
		"macro with parens but no arguments",
		"#define A (x) \n" + "A\n",
		"(.x.).\n",
	},
	{
		"macro with arguments",
		"#define A(x, y, z) x+z+y\n" + "A(1, 2, 3)\n",
		"1.+.3.+.2.\n",

// 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.

//go:build goexperiment.arenas

package arena_test

import (
	"arena"
	"testing"
)

type T1 struct {
	n int
}
type T2 [1 << 20]byte // 1MiB

func TestSmoke(t *testing.T) {
	a := arena.NewArena()
	defer a.Free()

	tt := arena.New[T1](a)
	tt.n = 1