// Copyright 2017 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.

package types

const BADWIDTH = -1000000000

type bitset8 uint8

func (f *bitset8) set(mask uint8, b bool) {
	if b {
		*(*uint8)(f) |= mask
	} else {
		*(*uint8)(f) &^= mask
	}

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Issue 4359: wrong handling of broken struct fields
// causes "internal compiler error: lookdot badwidth".

package main

type T struct {
	x T1 // ERROR "undefined"
}

func f() {
	var t *T
	_ = t.x

		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)

	{"%0*d", args(uint64(4), 42), "0042"},
	{"%0*d", args('\x04', 42), "0042"},
	{"%0*d", args(uintptr(4), 42), "0042"},

	// erroneous
	{"%*d", args(nil, 42), "%!(BADWIDTH)42"},
	{"%*d", args(int(1e7), 42), "%!(BADWIDTH)42"},
	{"%*d", args(int(-1e7), 42), "%!(BADWIDTH)42"},
	{"%.*d", args(nil, 42), "%!(BADPREC)42"},
	{"%.*d", args(-1, 42), "%!(BADPREC)42"},
	{"%.*d", args(int(1e7), 42), "%!(BADPREC)42"},

	// the function name node.
	Nname Object

	// Offset in bytes of this field or method within its enclosing struct
	// or interface Type. For parameters, this is BADWIDTH.
	Offset int64
}

const (
	fieldIsDDD = 1 << iota // field is ... argument
	fieldNointerface
)

func (f *Field) IsDDD() bool       { return f.flags&fieldIsDDD != 0 }

		if dostrcmp > 1 {
			// Already in the process of diagnosing an error.
			return f1
		}
		if f2 != nil {
			base.Errorf("%v is both field and method", n.Sel)
		}
		if f1.Offset == types.BADWIDTH {
			base.Fatalf("Lookdot badwidth t=%v, f1=%v@%p", t, f1, f1)
		}
		n.Selection = f1
		n.SetType(f1.Type)
		if t.IsInterface() {
			if n.X.Type().IsPtr() {
				star := ir.NewStarExpr(base.Pos, n.X)

		if tmp, ok := l.(*ir.Name); !ok || !tmp.AutoTemp() || !types.Identical(tmp.Type(), r.Type) {
			base.FatalfAt(l.Pos(), "assigning %v to %+v", r.Type, l)
		}

		res := ir.NewResultExpr(base.Pos, nil, types.BADWIDTH)
		res.Index = int64(i)
		res.SetType(r.Type)
		res.SetTypecheck(1)

		nn.Append(ir.NewAssignStmt(base.Pos, l, res))
	}
	return nn
}

// check assign expression list to

		}
		k := tf.Type.Kind()
		if reflect.Bool <= k && k <= reflect.Complex128 {
			name := strings.TrimSuffix(tf.Name, "_")
			vf := v.Field(i)
			vfi := vf.Interface()
			if name == "Offset" && vfi == types.BADWIDTH || name != "Offset" && vf.IsZero() {
				continue
			}
			if vfi == true {
				fmt.Fprintf(w, " %s", name)
			} else {
				fmt.Fprintf(w, " %s:%+v", name, vf.Interface())
			}
		}
	}

	mapString         = "map["
	percentBangString = "%!"
	missingString     = "(MISSING)"
	badIndexString    = "(BADINDEX)"
	panicString       = "(PANIC="
	extraString       = "%!(EXTRA "
	badWidthString    = "%!(BADWIDTH)"
	badPrecString     = "%!(BADPREC)"
	noVerbString      = "%!(NOVERB)"
	invReflectString  = "<invalid reflect.Value>"
)

// State represents the printer state passed to custom formatters.

See the License for the specific language governing permissions and
limitations under the License.
*/

// Package bandwidth provides utilities for bandwidth shaping