)

const (
	FDFLAG_APPEND   = 0x0001
	FDFLAG_DSYNC    = 0x0002
	FDFLAG_NONBLOCK = 0x0004
	FDFLAG_RSYNC    = 0x0008
	FDFLAG_SYNC     = 0x0010
)

const (
	RIGHT_FD_DATASYNC = 1 << iota
	RIGHT_FD_READ
	RIGHT_FD_SEEK
	RIGHT_FDSTAT_SET_FLAGS
	RIGHT_FD_SYNC
	RIGHT_FD_TELL
	RIGHT_FD_WRITE
	RIGHT_FD_ADVISE
	RIGHT_FD_ALLOCATE
	RIGHT_PATH_CREATE_DIRECTORY
	RIGHT_PATH_CREATE_FILE

// fuseLate runs fuse(f, fuseTypePlain|fuseTypeIf|fuseTypeBranchRedirect).
func fuseLate(f *Func) { fuse(f, fuseTypePlain|fuseTypeIf|fuseTypeBranchRedirect) }

type fuseType uint8

const (
	fuseTypePlain fuseType = 1 << iota
	fuseTypeIf
	fuseTypeIntInRange
	fuseTypeBranchRedirect
	fuseTypeShortCircuit
)

// fuse simplifies control flow by joining basic blocks.
func fuse(f *Func, typ fuseType) {
	for changed := true; changed; {

	"errors"
	"fmt"
	"io"
)

// Order specifies the bit ordering in an LZW data stream.
type Order int

const (
	// LSB means Least Significant Bits first, as used in the GIF file format.
	LSB Order = iota
	// MSB means Most Significant Bits first, as used in the TIFF and PDF
	// file formats.
	MSB
)

const (
	maxWidth           = 12
	decoderInvalidCode = 0xffff
	flushBuffer        = 1 << maxWidth
)

	// ErrNotExist. errUseProxy should only be returned if "noproxy" is the only
	// proxy. errNoproxy should never be returned, since there should always be a
	// more useful error from "noproxy" first.
	const (
		notExistRank = iota
		proxyRank
		directRank
	)
	var bestErr error
	bestErrRank := notExistRank
	for _, proxy := range proxies {
		err := f(proxy.url)
		if err == nil {
			return nil
		}

	//
	// This may be due to the host not supporting handles, or because
	// Process was created as a literal, leaving handle unset.
	//
	// This must be the zero value so Process literals get modePID.
	modePID processMode = iota

	// modeHandle means that Process operations use handle, which is
	// initialized with an OS process handle.
	//
	// Note that Release and Wait will deactivate and eventually close the

	case _EXCEPTION_FLT_UNDERFLOW:
	case _EXCEPTION_BREAKPOINT:
	case _EXCEPTION_ILLEGAL_INSTRUCTION: // breakpoint arrives this way on arm64
	}
	return true
}

const (
	callbackVEH = iota
	callbackFirstVCH
	callbackLastVCH
)

// sigFetchGSafe is like getg() but without panicking
// when TLS is not set.
// Only implemented on windows/386, which is the only

// license that can be found in the LICENSE file.

package ssa

import (
	"cmd/compile/internal/base"
	"cmd/compile/internal/types"
	"container/heap"
	"sort"
)

const (
	ScorePhi       = iota // towards top of block
	ScoreArg              // must occur at the top of the entry block
	ScoreInitMem          // after the args - used as mark by debug info generation

	case len(i.val) > 10:
		return fmt.Sprintf("%.10q...", i.val)
	}
	return fmt.Sprintf("%q", i.val)
}

// itemType identifies the type of lex items.
type itemType int

const (
	itemError        itemType = iota // error occurred; value is text of error
	itemBool                         // boolean constant
	itemChar                         // printable ASCII character; grab bag for comma etc.

		// The goroutines are careful to call runtime.Gosched in between blocking,
		// so there should never be a clean block/unblock on the goroutine unless
		// the runtime was generating extraneous events.
		const (
			entered = iota
			blocked
			runnable
			running
		)
		gs := make(map[trace.GoID]int)
		seenSpecialGoroutines := false
		r, err := trace.NewReader(bytes.NewReader(tb))
		if err != nil {
			t.Error(err)
		}

	Run:        run,
	ResultType: reflect.TypeOf((*Result)(nil)),
	FactTypes:  []analysis.Fact{new(isWrapper)},
}

// Kind is a kind of fmt function behavior.
type Kind int

const (
	KindNone   Kind = iota // not a fmt wrapper function
	KindPrint              // function behaves like fmt.Print
	KindPrintf             // function behaves like fmt.Printf
	KindErrorf             // function behaves like fmt.Errorf
)