off := a.BitFields.ParseSigned(i) << a.Shift
		neg := int64(-1) << (int(a.Shift) + a.BitFields.NumBits())
		return Offset(neg | off)
	}
}

type ArgType int8

const (
	TypeUnknown      ArgType = iota
	TypePCRel                // PC-relative address
	TypeLabel                // absolute address
	TypeReg                  // integer register
	TypeCondRegBit           // conditional register bit (0-31)

}

// A Mode value is a set of flags (or 0).
// They control the amount of source code parsed and other optional
// parser functionality.
type Mode uint

const (
	PackageClauseOnly    Mode             = 1 << iota // stop parsing after package clause
	ImportsOnly                                       // stop parsing after import declarations
	ParseComments                                     // parse comments and add them to AST

// A position describes what is expected to appear in an argument position.
type position int

const (
	// key is an argument position that should hold a string key or an Attr.
	key position = iota
	// value is an argument position that should hold a value.
	value
	// unknown represents that we do not know if position should hold a key or a value.
	unknown
)

func run(pass *analysis.Pass) (any, error) {

// THE SOFTWARE.

package objabi

import "fmt"

// HeadType is the executable header type.
type HeadType uint8

const (
	Hunknown HeadType = iota
	Hdarwin
	Hdragonfly
	Hfreebsd
	Hjs
	Hlinux
	Hnetbsd
	Hopenbsd
	Hplan9
	Hsolaris
	Hwasip1
	Hwindows
	Haix
)

func (h *HeadType) Set(s string) error {
	switch s {
	case "aix":

	wanted     [(_NSIG + 31) / 32]uint32
	ignored    [(_NSIG + 31) / 32]uint32
	recv       [(_NSIG + 31) / 32]uint32
	state      atomic.Uint32
	delivering atomic.Uint32
	inuse      bool
}

const (
	sigIdle = iota
	sigReceiving
	sigSending
)

// sigsend delivers a signal from sighandler to the internal signal delivery queue.
// It reports whether the signal was sent. If not, the caller typically crashes the program.

		// TODO(gri) We may also want to augment the error message and
		// refer to the position (pos) in the original expression.
		if check.errpos != nil && check.errpos.Pos().IsValid() {
			assert(check.iota != nil)
			posn = check.errpos
		}

		// Report invalid syntax trees explicitly.
		if code == InvalidSyntaxTree {
			msg = "invalid syntax tree: " + msg
		}

	Finish()
}

type CovDataReaderFlags uint32

const (
	CovDataReaderNoFlags CovDataReaderFlags = 0
	PanicOnError                            = 1 << iota
	PanicOnWarning
)

func (r *CovDataReader) Visit() error {
	podlist, err := pods.CollectPods(r.indirs, false)
	if err != nil {
		return fmt.Errorf("reading inputs: %v", err)
	}
	if len(podlist) == 0 {

			// identifiers on the LHS with underscore, so that it matches
			// the sequence of expression on the RHS.
			//
			// Similarly, if there are no type and values, then this expression
			// must be following an iota expression, where order matters.
			if updateIdentList(s.Names) {
				r.filterType(nil, s.Type)
				return true
			}
		} else {
			s.Names = filterIdentList(s.Names)
			if len(s.Names) > 0 {

type fieldInfo struct {
	idx     []int
	name    string
	xmlns   string
	flags   fieldFlags
	parents []string
}

type fieldFlags int

const (
	fElement fieldFlags = 1 << iota
	fAttr
	fCDATA
	fCharData
	fInnerXML
	fComment
	fAny

	fOmitEmpty

	fMode = fElement | fAttr | fCDATA | fCharData | fInnerXML | fComment | fAny

	xmlName = "XMLName"
)

package image

import (
	"image/color"
)

// YCbCrSubsampleRatio is the chroma subsample ratio used in a YCbCr image.
type YCbCrSubsampleRatio int

const (
	YCbCrSubsampleRatio444 YCbCrSubsampleRatio = iota
	YCbCrSubsampleRatio422
	YCbCrSubsampleRatio420
	YCbCrSubsampleRatio440
	YCbCrSubsampleRatio411
	YCbCrSubsampleRatio410
)

func (s YCbCrSubsampleRatio) String() string {
	switch s {