// padding is done with tabs
		if b.tabwidth == 0 {
			return // tabs have no width - can't do any padding
		}
		// make cellw the smallest multiple of b.tabwidth
		cellw = (cellw + b.tabwidth - 1) / b.tabwidth * b.tabwidth
		n := cellw - textw // amount of padding
		if n < 0 {
			panic("internal error")
		}
		b.writeN(tabs, (n+b.tabwidth-1)/b.tabwidth)
		return
	}

	// filter exports if necessary
	if mode&export != 0 {
		ast.FileExports(f) // ignore result
		f.Comments = nil   // don't print comments that are not in AST
	}

	// determine printer configuration
	cfg := Config{Tabwidth: tabwidth}
	if mode&rawFormat != 0 {
		cfg.Mode |= RawFormat
	}
	if mode&normNumber != 0 {
		cfg.Mode |= normalizeNumbers
	}

	// print AST
	var buf bytes.Buffer

	}
}

func check(t *testing.T, testname string, minwidth, tabwidth, padding int, padchar byte, flags uint, src, expected string) {
	var b buffer
	b.init(1000)

	var w Writer
	w.Init(&b, minwidth, tabwidth, padding, padchar, flags)

	// write all at once
	title := testname + " (written all at once)"
	b.clear()
	write(t, title, &w, src)

		}
	}

	ast.SortImports(fileSet, file)

	if *simplifyAST {
		simplify(file)
	}

	res, err := format(fileSet, file, sourceAdj, indentAdj, src, printer.Config{Mode: printerMode, Tabwidth: tabWidth})
	if err != nil {
		return err
	}

	if !bytes.Equal(src, res) {
		// formatting has changed
		if *list {
			fmt.Fprintln(r, filename)
		}
		if *write {
			if info == nil {

	if cfg.Mode&RawFormat == 0 {
		minwidth := cfg.Tabwidth

		padchar := byte('\t')
		if cfg.Mode&UseSpaces != 0 {
			padchar = ' '
		}

		twmode := tabwriter.DiscardEmptyColumns
		if cfg.Mode&TabIndent != 0 {
			minwidth = 0
			twmode |= tabwriter.TabIndent
		}

		output = tabwriter.NewWriter(output, minwidth, cfg.Tabwidth, 1, padchar, twmode)
	}

        if (content == null) {
            return StringUtil.EMPTY; // empty
        }

        String subContent;
        if (content.length() < maxWidth * 2) {
            subContent = content;
        } else {
            subContent = content.substring(0, maxWidth * 2);
        }

        final int[] spaceChars = getSpaceChars();

				t.SetNotInHeap(true)
			}
		}

		offset += f.Type.width

		maxwidth := MaxWidth
		// On 32-bit systems, reflect tables impose an additional constraint
		// that each field start offset must fit in 31 bits.
		if maxwidth < 1<<32 {
			maxwidth = 1<<31 - 1
		}
		if offset >= maxwidth {
			base.ErrorfAt(typePos(t), 0, "type %L too large", t)
			offset = 8 // small but nonzero
		}
	}

// - floating point: X0 - X14
var configAMD64 = abi.NewABIConfig(9, 15, 0, 1)

func TestMain(m *testing.M) {
	ssagen.Arch.LinkArch = &x86.Linkamd64
	ssagen.Arch.REGSP = x86.REGSP
	ssagen.Arch.MAXWIDTH = 1 << 50
	types.MaxWidth = ssagen.Arch.MAXWIDTH
	base.Ctxt = obj.Linknew(ssagen.Arch.LinkArch)
	base.Ctxt.DiagFunc = base.Errorf
	base.Ctxt.DiagFlush = base.FlushErrors
	base.Ctxt.Bso = bufio.NewWriter(os.Stdout)

		sign = "+"
		if s.Flag(' ') {
			sign = " "
		}
		buf = buf[1:]
	case s.Flag('+'):
		sign = "+"
	case s.Flag(' '):
		sign = " "
	}

	var padding int
	if width, hasWidth := s.Width(); hasWidth && width > len(sign)+len(buf) {
		padding = width - len(sign) - len(buf)
	}

	switch {
	case s.Flag('0') && !x.IsInf():
		// 0-padding on left
		writeMultiple(s, sign, 1)

		Printf("hi", "guys"):      hi%!(EXTRA string=guys)
	Too few arguments: %!verb(MISSING)
		Printf("hi%d"):            hi%!d(MISSING)
	Non-int for width or precision: %!(BADWIDTH) or %!(BADPREC)
		Printf("%*s", 4.5, "hi"):  %!(BADWIDTH)hi
		Printf("%.*s", 4.5, "hi"): %!(BADPREC)hi
	Invalid or invalid use of argument index: %!(BADINDEX)
		Printf("%*[2]d", 7):       %!d(BADINDEX)
		Printf("%.[2]d", 7):       %!d(BADINDEX)