package asm

import (
	"fmt"
	"internal/abi"
	"strconv"
	"strings"
	"text/scanner"

	"cmd/asm/internal/arch"
	"cmd/asm/internal/flags"
	"cmd/asm/internal/lex"
	"cmd/internal/obj"
	"cmd/internal/obj/ppc64"
	"cmd/internal/obj/riscv"
	"cmd/internal/obj/x86"
	"cmd/internal/sys"
)

// TODO: configure the architecture

var testOut *strings.Builder // Gathers output when testing.

	imports, ok := listCache.Load(name)
	if !ok {
		listSem <- semToken{}
		defer func() { <-listSem }()

		cmd := exec.Command(goCmd(), "list", "-e", "-deps", "-json", "std")
		cmd.Env = listEnv(w.context)
		if w.context.Dir != "" {
			cmd.Dir = w.context.Dir
		}
		cmd.Stderr = os.Stderr
		out, err := cmd.Output()
		if err != nil {
			log.Fatalf("loading imports: %v\n%s", err, out)
		}

		var stdPackages []string

// This file encapsulates some of the odd characteristics of the ARM64
// instruction set, to minimize its interaction with the core of the
// assembler.

package arch

import (
	"cmd/internal/obj"
	"cmd/internal/obj/arm64"
	"errors"
)

var arm64LS = map[string]uint8{
	"P": arm64.C_XPOST,
	"W": arm64.C_XPRE,
}

var arm64Jump = map[string]bool{
	"B":     true,
	"BL":    true,

	"unicode"
	"unicode/utf8"
)

// Equal reports whether a and b
// are the same length and contain the same bytes.
// A nil argument is equivalent to an empty slice.
func Equal(a, b []byte) bool {
	// Neither cmd/compile nor gccgo allocates for these string conversions.
	return string(a) == string(b)
}

// Compare returns an integer comparing two byte slices lexicographically.

package asm

import (
	"bufio"
	"bytes"
	"fmt"
	"internal/buildcfg"
	"os"
	"path/filepath"
	"regexp"
	"sort"
	"strconv"
	"strings"
	"testing"

	"cmd/asm/internal/lex"
	"cmd/internal/obj"
)

// An end-to-end test for the assembler: Do we print what we parse?
// Output is generated by, in effect, turning on -S and comparing the
// result against a golden file.

// 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.

// This contains the valid opcode combinations available
// in cmd/internal/obj/ppc64/asm9.go which exist for
// POWER10/ISA 3.1.

#include "../../../../../runtime/textflag.h"

TEXT asmtest(SB), DUPOK|NOSPLIT, $0
	BRD R1, R2                              // 7c220176

# CL 106460044 debug/plan9obj, cmd/addr2line: on Plan 9 use a.out header, Aram Hăvărneanu <******@****.***>
pkg debug/plan9obj, type FileHeader struct, HdrSize uint64
pkg debug/plan9obj, type FileHeader struct, LoadAddress uint64

# CL 122960043 encoding/xml: add InputOffset method to Decoder, Russ Cox <******@****.***>
pkg encoding/xml, method (*Decoder) InputOffset() int64

pkg net/url, func JoinPath(string, ...string) (string, error) #47005
pkg net/url, method (*URL) JoinPath(...string) *URL #47005
pkg net/url, type URL struct, OmitHost bool #46059
pkg os/exec, method (*Cmd) Environ() []string #50599
pkg os/exec, type Cmd struct, Err error #43724
pkg os/exec, var ErrDot error #43724
pkg regexp/syntax, const ErrNestingDepth = "expression nests too deeply" #51684
pkg regexp/syntax, const ErrNestingDepth ErrorCode #51684

pkg net/http/httptrace, type WroteRequestInfo struct
pkg net/http/httptrace, type WroteRequestInfo struct, Err error
pkg net/url, type URL struct, ForceQuery bool
pkg os/exec, func CommandContext(context.Context, string, ...string) *Cmd
pkg os/user, func LookupGroup(string) (*Group, error)
pkg os/user, func LookupGroupId(string) (*Group, error)
pkg os/user, method (*User) GroupIds() ([]string, error)
pkg os/user, method (UnknownGroupError) Error() string

pkg debug/macho, type Rpath struct
pkg debug/macho, type Rpath struct, Path string
pkg debug/macho, type Rpath struct, embedded LoadBytes
pkg debug/macho, type RpathCmd struct
pkg debug/macho, type RpathCmd struct, Cmd LoadCmd
pkg debug/macho, type RpathCmd struct, Len uint32
pkg debug/macho, type RpathCmd struct, Path uint32
pkg debug/macho, type Section struct, Relocs []Reloc
pkg encoding/asn1, const TagNumericString = 18