go-json/encode_vm.go

package json

import (
	"encoding"
	"math"
	"reflect"
	"strconv"
	"unsafe"
)

func (e *Encoder) run(code *opcode) error {
	for {
		switch code.op {
		case opPtr:
			ptr := code.ptr
			code = code.next
			code.ptr = e.ptrToPtr(ptr)
		case opInt:
			e.encodeInt(e.ptrToInt(code.ptr))
			code = code.next
		case opInt8:
			e.encodeInt8(e.ptrToInt8(code.ptr))
			code = code.next
		case opInt16:
			e.encodeInt16(e.ptrToInt16(code.ptr))
			code = code.next
		case opInt32:
			e.encodeInt32(e.ptrToInt32(code.ptr))
			code = code.next
		case opInt64:
			e.encodeInt64(e.ptrToInt64(code.ptr))
			code = code.next
		case opUint:
			e.encodeUint(e.ptrToUint(code.ptr))
			code = code.next
		case opUint8:
			e.encodeUint8(e.ptrToUint8(code.ptr))
			code = code.next
		case opUint16:
			e.encodeUint16(e.ptrToUint16(code.ptr))
			code = code.next
		case opUint32:
			e.encodeUint32(e.ptrToUint32(code.ptr))
			code = code.next
		case opUint64:
			e.encodeUint64(e.ptrToUint64(code.ptr))
			code = code.next
		case opFloat32:
			e.encodeFloat32(e.ptrToFloat32(code.ptr))
			code = code.next
		case opFloat64:
			v := e.ptrToFloat64(code.ptr)
			if math.IsInf(v, 0) || math.IsNaN(v) {
				return &UnsupportedValueError{
					Value: reflect.ValueOf(v),
					Str:   strconv.FormatFloat(v, 'g', -1, 64),
				}
			}
			e.encodeFloat64(v)
			code = code.next
		case opString:
			e.encodeString(e.ptrToString(code.ptr))
			code = code.next
		case opBool:
			e.encodeBool(e.ptrToBool(code.ptr))
			code = code.next
		case opInterface:
			ptr := code.ptr
			v := *(*interface{})(unsafe.Pointer(&interfaceHeader{
				typ: code.typ,
				ptr: unsafe.Pointer(ptr),
			}))
			vv := reflect.ValueOf(v).Interface()
			header := (*interfaceHeader)(unsafe.Pointer(&vv))
			typ := header.typ
			if typ.Kind() == reflect.Ptr {
				typ = typ.Elem()
			}
			e.indent = code.indent
			c, err := e.compile(typ, e.enabledIndent)
			if err != nil {
				return err
			}
			c.ptr = uintptr(header.ptr)
			c.beforeLastCode().next = code.next
			code = c
		case opMarshalJSON:
			ptr := code.ptr
			v := *(*interface{})(unsafe.Pointer(&interfaceHeader{
				typ: code.typ,
				ptr: unsafe.Pointer(ptr),
			}))
			bytes, err := v.(Marshaler).MarshalJSON()
			if err != nil {
				return err
			}
			e.encodeBytes(bytes)
			code = code.next
			code.ptr = ptr
		case opMarshalText:
			ptr := code.ptr
			v := *(*interface{})(unsafe.Pointer(&interfaceHeader{
				typ: code.typ,
				ptr: unsafe.Pointer(ptr),
			}))
			bytes, err := v.(encoding.TextMarshaler).MarshalText()
			if err != nil {
				return err
			}
			e.encodeBytes(bytes)
			code = code.next
			code.ptr = ptr
		case opSliceHead:
			p := code.ptr
			headerCode := code.toSliceHeaderCode()
			if p == 0 {
				e.encodeNull()
				code = headerCode.end.next
			} else {
				e.encodeByte('[')
				header := (*reflect.SliceHeader)(unsafe.Pointer(p))
				headerCode.elem.set(header)
				if header.Len > 0 {
					code = code.next
					code.ptr = header.Data
				} else {
					e.encodeByte(']')
					code = headerCode.end.next
				}
			}
		case opSliceElem:
			c := code.toSliceElemCode()
			c.idx++
			if c.idx < c.len {
				e.encodeByte(',')
				code = code.next
				code.ptr = c.data + c.idx*c.size
			} else {
				e.encodeByte(']')
				code = c.end.next
			}
		case opSliceHeadIndent:
			p := code.ptr
			headerCode := code.toSliceHeaderCode()
			if p == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = headerCode.end.next
			} else {
				e.encodeBytes([]byte{'[', '\n'})
				header := (*reflect.SliceHeader)(unsafe.Pointer(p))
				headerCode.elem.set(header)
				if header.Len > 0 {
					e.encodeIndent(code.indent + 1)
					code = code.next
					code.ptr = header.Data
				} else {
					e.encodeByte('\n')
					e.encodeIndent(code.indent)
					e.encodeBytes([]byte{']', '\n'})
					code = headerCode.end.next
				}
			}
		case opSliceElemIndent:
			c := code.toSliceElemCode()
			c.idx++
			if c.idx < c.len {
				e.encodeBytes([]byte{',', '\n'})
				e.encodeIndent(code.indent + 1)
				code = code.next
				code.ptr = c.data + c.idx*c.size
			} else {
				e.encodeByte('\n')
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{']', '\n'})
				code = c.end.next
			}
		case opArrayHead:
			p := code.ptr
			headerCode := code.toArrayHeaderCode()
			if p == 0 {
				e.encodeNull()
				code = headerCode.end.next
			} else {
				e.encodeByte('[')
				if headerCode.len > 0 {
					code = code.next
					code.ptr = p
					headerCode.elem.ptr = p
				} else {
					e.encodeByte(']')
					code = headerCode.end.next
				}
			}
		case opArrayElem:
			c := code.toArrayElemCode()
			c.idx++
			if c.idx < c.len {
				e.encodeByte(',')
				code = code.next
				code.ptr = c.ptr + c.idx*c.size
			} else {
				e.encodeByte(']')
				code = c.end.next
			}
		case opArrayHeadIndent:
			p := code.ptr
			headerCode := code.toArrayHeaderCode()
			if p == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = headerCode.end.next
			} else {
				e.encodeBytes([]byte{'[', '\n'})
				if headerCode.len > 0 {
					e.encodeIndent(code.indent + 1)
					code = code.next
					code.ptr = p
					headerCode.elem.ptr = p
				} else {
					e.encodeIndent(code.indent)
					e.encodeBytes([]byte{']', '\n'})
					code = headerCode.end.next
				}
			}
		case opArrayElemIndent:
			c := code.toArrayElemCode()
			c.idx++
			if c.idx < c.len {
				e.encodeBytes([]byte{',', '\n'})
				e.encodeIndent(code.indent + 1)
				code = code.next
				code.ptr = c.ptr + c.idx*c.size
			} else {
				e.encodeByte('\n')
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{']', '\n'})
				code = c.end.next
			}
		case opMapHead:
			ptr := code.ptr
			mapHeadCode := code.toMapHeadCode()
			if ptr == 0 {
				e.encodeNull()
				code = mapHeadCode.end.next
			} else {
				e.encodeByte('{')
				mlen := maplen(unsafe.Pointer(ptr))
				if mlen > 0 {
					iter := mapiterinit(code.typ, unsafe.Pointer(ptr))
					mapHeadCode.key.set(mlen, iter)
					mapHeadCode.value.set(iter)
					key := mapiterkey(iter)
					code.next.ptr = uintptr(key)
					code = code.next
				} else {
					e.encodeByte('}')
					code = mapHeadCode.end.next
				}
			}
		case opMapKey:
			c := code.toMapKeyCode()
			c.idx++
			if c.idx < c.len {
				e.encodeByte(',')
				key := mapiterkey(c.iter)
				c.next.ptr = uintptr(key)
				code = c.next
			} else {
				e.encodeByte('}')
				code = c.end.next
			}
		case opMapValue:
			e.encodeByte(':')
			c := code.toMapValueCode()
			value := mapitervalue(c.iter)
			c.next.ptr = uintptr(value)
			mapiternext(c.iter)
			code = c.next
		case opMapHeadIndent:
			ptr := code.ptr
			mapHeadCode := code.toMapHeadCode()
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = mapHeadCode.end.next
			} else {
				e.encodeBytes([]byte{'{', '\n'})
				mlen := maplen(unsafe.Pointer(ptr))
				if mlen > 0 {
					iter := mapiterinit(code.typ, unsafe.Pointer(ptr))
					mapHeadCode.key.set(mlen, iter)
					mapHeadCode.value.set(iter)
					key := mapiterkey(iter)
					code.next.ptr = uintptr(key)
					code = code.next
					e.encodeIndent(code.indent)
				} else {
					e.encodeByte('\n')
					e.encodeIndent(code.indent - 1)
					e.encodeBytes([]byte{'}', '\n'})
					code = mapHeadCode.end.next
				}
			}
		case opMapKeyIndent:
			c := code.toMapKeyCode()
			c.idx++
			if c.idx < c.len {
				e.encodeBytes([]byte{',', '\n'})
				e.encodeIndent(code.indent)
				key := mapiterkey(c.iter)
				c.next.ptr = uintptr(key)
				code = c.next
			} else {
				e.encodeByte('\n')
				e.encodeIndent(code.indent - 1)
				e.encodeBytes([]byte{'}', '\n'})
				code = c.end.next
			}
		case opMapValueIndent:
			e.encodeBytes([]byte{':', ' '})
			c := code.toMapValueCode()
			value := mapitervalue(c.iter)
			c.next.ptr = uintptr(value)
			mapiternext(c.iter)
			code = c.next
		case opStructFieldPtrHead:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHead:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeByte('{')
				e.encodeBytes(field.key)
				code = field.next
				code.ptr = field.ptr + field.offset
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadInt:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadInt:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end
			} else {
				e.encodeByte('{')
				e.encodeBytes(field.key)
				e.encodeInt(e.ptrToInt(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadInt8:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadInt8:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end
			} else {
				e.encodeByte('{')
				e.encodeBytes(field.key)
				e.encodeInt8(e.ptrToInt8(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadInt16:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadInt16:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end
			} else {
				e.encodeByte('{')
				e.encodeBytes(field.key)
				e.encodeInt16(e.ptrToInt16(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadInt32:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadInt32:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end
			} else {
				e.encodeByte('{')
				e.encodeBytes(field.key)
				e.encodeInt32(e.ptrToInt32(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadInt64:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadInt64:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end
			} else {
				e.encodeByte('{')
				e.encodeBytes(field.key)
				e.encodeInt64(e.ptrToInt64(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadUint:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadUint:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end
			} else {
				e.encodeByte('{')
				e.encodeBytes(field.key)
				e.encodeUint(e.ptrToUint(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadUint8:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadUint8:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end
			} else {
				e.encodeByte('{')
				e.encodeBytes(field.key)
				e.encodeUint8(e.ptrToUint8(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadUint16:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadUint16:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end
			} else {
				e.encodeByte('{')
				e.encodeBytes(field.key)
				e.encodeUint16(e.ptrToUint16(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadUint32:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadUint32:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end
			} else {
				e.encodeByte('{')
				e.encodeBytes(field.key)
				e.encodeUint32(e.ptrToUint32(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadUint64:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadUint64:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end
			} else {
				e.encodeByte('{')
				e.encodeBytes(field.key)
				e.encodeUint64(e.ptrToUint64(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadFloat32:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadFloat32:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end
			} else {
				e.encodeByte('{')
				e.encodeBytes(field.key)
				e.encodeFloat32(e.ptrToFloat32(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadFloat64:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadFloat64:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end
			} else {
				v := e.ptrToFloat64(field.ptr + field.offset)
				if math.IsInf(v, 0) || math.IsNaN(v) {
					return &UnsupportedValueError{
						Value: reflect.ValueOf(v),
						Str:   strconv.FormatFloat(v, 'g', -1, 64),
					}
				}
				e.encodeByte('{')
				e.encodeBytes(field.key)
				e.encodeFloat64(v)
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadString:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadString:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end
			} else {
				e.encodeByte('{')
				e.encodeBytes(field.key)
				e.encodeString(e.ptrToString(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadBool:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadBool:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end
			} else {
				e.encodeByte('{')
				e.encodeBytes(field.key)
				e.encodeBool(e.ptrToBool(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}

		case opStructFieldPtrHeadIndent:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				e.encodeIndent(code.indent + 1)
				e.encodeBytes(field.key)
				e.encodeByte(' ')
				code = field.next
				code.ptr = field.ptr + field.offset
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadIntIndent:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadIntIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end
			} else {
				e.encodeBytes([]byte{'{', '\n'})
				e.encodeIndent(code.indent + 1)
				e.encodeBytes(field.key)
				e.encodeByte(' ')
				e.encodeInt(e.ptrToInt(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadInt8Indent:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadInt8Indent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				e.encodeIndent(code.indent + 1)
				e.encodeBytes(field.key)
				e.encodeByte(' ')
				e.encodeInt8(e.ptrToInt8(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadInt16Indent:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadInt16Indent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				e.encodeIndent(code.indent + 1)
				e.encodeBytes(field.key)
				e.encodeByte(' ')
				e.encodeInt16(e.ptrToInt16(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadInt32Indent:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadInt32Indent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				e.encodeIndent(code.indent + 1)
				e.encodeBytes(field.key)
				e.encodeByte(' ')
				e.encodeInt32(e.ptrToInt32(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadInt64Indent:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadInt64Indent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				e.encodeIndent(code.indent + 1)
				e.encodeBytes(field.key)
				e.encodeByte(' ')
				e.encodeInt64(e.ptrToInt64(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadUintIndent:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadUintIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				e.encodeIndent(code.indent + 1)
				e.encodeBytes(field.key)
				e.encodeByte(' ')
				e.encodeUint(e.ptrToUint(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadUint8Indent:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadUint8Indent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				e.encodeIndent(code.indent + 1)
				e.encodeBytes(field.key)
				e.encodeByte(' ')
				e.encodeUint8(e.ptrToUint8(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadUint16Indent:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadUint16Indent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				e.encodeIndent(code.indent + 1)
				e.encodeBytes(field.key)
				e.encodeByte(' ')
				e.encodeUint16(e.ptrToUint16(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadUint32Indent:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadUint32Indent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				e.encodeIndent(code.indent + 1)
				e.encodeBytes(field.key)
				e.encodeByte(' ')
				e.encodeUint32(e.ptrToUint32(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadUint64Indent:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadUint64Indent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				e.encodeIndent(code.indent + 1)
				e.encodeBytes(field.key)
				e.encodeByte(' ')
				e.encodeUint64(e.ptrToUint64(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadFloat32Indent:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadFloat32Indent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				e.encodeIndent(code.indent + 1)
				e.encodeBytes(field.key)
				e.encodeByte(' ')
				e.encodeFloat32(e.ptrToFloat32(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadFloat64Indent:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadFloat64Indent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end
			} else {
				v := e.ptrToFloat64(field.ptr + field.offset)
				if math.IsInf(v, 0) || math.IsNaN(v) {
					return &UnsupportedValueError{
						Value: reflect.ValueOf(v),
						Str:   strconv.FormatFloat(v, 'g', -1, 64),
					}
				}
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				e.encodeIndent(code.indent + 1)
				e.encodeBytes(field.key)
				e.encodeByte(' ')
				e.encodeFloat64(v)
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadStringIndent:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadStringIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				e.encodeIndent(code.indent + 1)
				e.encodeBytes(field.key)
				e.encodeByte(' ')
				e.encodeString(e.ptrToString(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadBoolIndent:
			code.ptr = e.ptrToPtr(code.ptr)
			fallthrough
		case opStructFieldHeadBoolIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				e.encodeIndent(code.indent + 1)
				e.encodeBytes(field.key)
				e.encodeByte(' ')
				e.encodeBool(e.ptrToBool(field.ptr + field.offset))
				field.nextField.ptr = field.ptr
				code = field.next
			}
		case opStructFieldPtrHeadOmitEmpty:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadOmitEmpty:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeByte('{')
				p := ptr + field.offset
				if p == 0 || *(*uintptr)(unsafe.Pointer(p)) == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					code = field.next
					code.ptr = p
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadIntOmitEmpty:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadIntOmitEmpty:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeByte('{')
				v := e.ptrToInt(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeInt(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadInt8OmitEmpty:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadInt8OmitEmpty:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeByte('{')
				v := e.ptrToInt8(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeInt8(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadInt16OmitEmpty:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadInt16OmitEmpty:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeByte('{')
				v := e.ptrToInt16(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeInt16(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadInt32OmitEmpty:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadInt32OmitEmpty:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeByte('{')
				v := e.ptrToInt32(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeInt32(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadInt64OmitEmpty:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadInt64OmitEmpty:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeByte('{')
				v := e.ptrToInt64(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeInt64(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadUintOmitEmpty:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadUintOmitEmpty:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeByte('{')
				v := e.ptrToUint(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeUint(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadUint8OmitEmpty:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadUint8OmitEmpty:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeByte('{')
				v := e.ptrToUint8(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeUint8(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadUint16OmitEmpty:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadUint16OmitEmpty:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeByte('{')
				v := e.ptrToUint16(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeUint16(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadUint32OmitEmpty:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadUint32OmitEmpty:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeByte('{')
				v := e.ptrToUint32(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeUint32(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadUint64OmitEmpty:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadUint64OmitEmpty:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeByte('{')
				v := e.ptrToUint64(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeUint64(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadFloat32OmitEmpty:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadFloat32OmitEmpty:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeByte('{')
				v := e.ptrToFloat32(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeFloat32(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadFloat64OmitEmpty:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadFloat64OmitEmpty:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeByte('{')
				v := e.ptrToFloat64(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					if math.IsInf(v, 0) || math.IsNaN(v) {
						return &UnsupportedValueError{
							Value: reflect.ValueOf(v),
							Str:   strconv.FormatFloat(v, 'g', -1, 64),
						}
					}
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeFloat64(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadStringOmitEmpty:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadStringOmitEmpty:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeByte('{')
				v := e.ptrToString(ptr + field.offset)
				if v == "" {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeString(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadBoolOmitEmpty:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadBoolOmitEmpty:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeByte('{')
				v := e.ptrToBool(ptr + field.offset)
				if !v {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeBool(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}

		case opStructFieldPtrHeadOmitEmptyIndent:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadOmitEmptyIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				p := ptr + field.offset
				if p == 0 || *(*uintptr)(unsafe.Pointer(p)) == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeByte(' ')
					code = field.next
					code.ptr = p
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadIntOmitEmptyIndent:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadIntOmitEmptyIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				v := e.ptrToInt(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeByte(' ')
					e.encodeInt(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadInt8OmitEmptyIndent:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadInt8OmitEmptyIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				v := e.ptrToInt8(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeByte(' ')
					e.encodeInt8(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadInt16OmitEmptyIndent:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadInt16OmitEmptyIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				v := e.ptrToInt16(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeByte(' ')
					e.encodeInt16(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadInt32OmitEmptyIndent:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadInt32OmitEmptyIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				v := e.ptrToInt32(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeByte(' ')
					e.encodeInt32(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadInt64OmitEmptyIndent:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadInt64OmitEmptyIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				v := e.ptrToInt64(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeByte(' ')
					e.encodeInt64(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadUintOmitEmptyIndent:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadUintOmitEmptyIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				v := e.ptrToUint(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeByte(' ')
					e.encodeUint(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadUint8OmitEmptyIndent:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadUint8OmitEmptyIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				v := e.ptrToUint8(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeByte(' ')
					e.encodeUint8(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadUint16OmitEmptyIndent:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadUint16OmitEmptyIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				v := e.ptrToUint16(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeByte(' ')
					e.encodeUint16(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadUint32OmitEmptyIndent:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadUint32OmitEmptyIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				v := e.ptrToUint32(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeByte(' ')
					e.encodeUint32(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadUint64OmitEmptyIndent:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadUint64OmitEmptyIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				v := e.ptrToUint64(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeByte(' ')
					e.encodeUint64(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadFloat32OmitEmptyIndent:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadFloat32OmitEmptyIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				v := e.ptrToFloat32(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeByte(' ')
					e.encodeFloat32(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadFloat64OmitEmptyIndent:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadFloat64OmitEmptyIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				v := e.ptrToFloat64(ptr + field.offset)
				if v == 0 {
					code = field.nextField
				} else {
					if math.IsInf(v, 0) || math.IsNaN(v) {
						return &UnsupportedValueError{
							Value: reflect.ValueOf(v),
							Str:   strconv.FormatFloat(v, 'g', -1, 64),
						}
					}
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeByte(' ')
					e.encodeFloat64(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadStringOmitEmptyIndent:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadStringOmitEmptyIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				v := e.ptrToString(ptr + field.offset)
				if v == "" {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeByte(' ')
					e.encodeString(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructFieldPtrHeadBoolOmitEmptyIndent:
			if code.ptr != 0 {
				code.ptr = e.ptrToPtr(code.ptr)
			}
			fallthrough
		case opStructFieldHeadBoolOmitEmptyIndent:
			field := code.toStructFieldCode()
			ptr := field.ptr
			if ptr == 0 {
				e.encodeIndent(code.indent)
				e.encodeNull()
				code = field.end.next
			} else {
				e.encodeIndent(code.indent)
				e.encodeBytes([]byte{'{', '\n'})
				v := e.ptrToBool(ptr + field.offset)
				if !v {
					code = field.nextField
				} else {
					e.encodeIndent(code.indent + 1)
					e.encodeBytes(field.key)
					e.encodeByte(' ')
					e.encodeBool(v)
					code = field.next
				}
				field.nextField.ptr = field.ptr
			}
		case opStructField:
			e.encodeByte(',')
			c := code.toStructFieldCode()
			e.encodeBytes(c.key)
			code = code.next
			code.ptr = c.ptr + c.offset
			c.nextField.ptr = c.ptr
		case opStructFieldInt:
			e.encodeByte(',')
			c := code.toStructFieldCode()
			c.nextField.ptr = c.ptr
			e.encodeBytes(c.key)
			e.encodeInt(e.ptrToInt(c.ptr + c.offset))
			code = code.next
		case opStructFieldInt8:
			e.encodeByte(',')
			c := code.toStructFieldCode()
			c.nextField.ptr = c.ptr
			e.encodeBytes(c.key)
			e.encodeInt8(e.ptrToInt8(c.ptr + c.offset))
			code = code.next
		case opStructFieldInt16:
			e.encodeByte(',')
			c := code.toStructFieldCode()
			c.nextField.ptr = c.ptr
			e.encodeBytes(c.key)
			e.encodeInt16(e.ptrToInt16(c.ptr + c.offset))
			code = code.next
		case opStructFieldInt32:
			e.encodeByte(',')
			c := code.toStructFieldCode()
			c.nextField.ptr = c.ptr
			e.encodeBytes(c.key)
			e.encodeInt32(e.ptrToInt32(c.ptr + c.offset))
			code = code.next
		case opStructFieldInt64:
			e.encodeByte(',')
			c := code.toStructFieldCode()
			c.nextField.ptr = c.ptr
			e.encodeBytes(c.key)
			e.encodeInt64(e.ptrToInt64(c.ptr + c.offset))
			code = code.next
		case opStructFieldUint:
			e.encodeByte(',')
			c := code.toStructFieldCode()
			c.nextField.ptr = c.ptr
			e.encodeBytes(c.key)
			e.encodeUint(e.ptrToUint(c.ptr + c.offset))
			code = code.next
		case opStructFieldUint8:
			e.encodeByte(',')
			c := code.toStructFieldCode()
			c.nextField.ptr = c.ptr
			e.encodeBytes(c.key)
			e.encodeUint8(e.ptrToUint8(c.ptr + c.offset))
			code = code.next
		case opStructFieldUint16:
			e.encodeByte(',')
			c := code.toStructFieldCode()
			c.nextField.ptr = c.ptr
			e.encodeBytes(c.key)
			e.encodeUint16(e.ptrToUint16(c.ptr + c.offset))
			code = code.next
		case opStructFieldUint32:
			e.encodeByte(',')
			c := code.toStructFieldCode()
			c.nextField.ptr = c.ptr
			e.encodeBytes(c.key)
			e.encodeUint32(e.ptrToUint32(c.ptr + c.offset))
			code = code.next
		case opStructFieldUint64:
			e.encodeByte(',')
			c := code.toStructFieldCode()
			c.nextField.ptr = c.ptr
			e.encodeBytes(c.key)
			e.encodeUint64(e.ptrToUint64(c.ptr + c.offset))
			code = code.next
		case opStructFieldFloat32:
			e.encodeByte(',')
			c := code.toStructFieldCode()
			c.nextField.ptr = c.ptr
			e.encodeBytes(c.key)
			e.encodeFloat32(e.ptrToFloat32(c.ptr + c.offset))
			code = code.next
		case opStructFieldFloat64:
			e.encodeByte(',')
			c := code.toStructFieldCode()
			c.nextField.ptr = c.ptr
			e.encodeBytes(c.key)
			v := e.ptrToFloat64(c.ptr + c.offset)
			if math.IsInf(v, 0) || math.IsNaN(v) {
				return &UnsupportedValueError{
					Value: reflect.ValueOf(v),
					Str:   strconv.FormatFloat(v, 'g', -1, 64),
				}
			}
			e.encodeFloat64(v)
			code = code.next
		case opStructFieldString:
			e.encodeByte(',')
			c := code.toStructFieldCode()
			c.nextField.ptr = c.ptr
			e.encodeBytes(c.key)
			e.encodeString(e.ptrToString(c.ptr + c.offset))
			code = code.next
		case opStructFieldBool:
			e.encodeByte(',')
			c := code.toStructFieldCode()
			c.nextField.ptr = c.ptr
			e.encodeBytes(c.key)
			e.encodeBool(e.ptrToBool(c.ptr + c.offset))
			code = code.next

		case opStructFieldIndent:
			c := code.toStructFieldCode()
			e.encodeBytes([]byte{',', '\n'})
			e.encodeIndent(c.indent)
			e.encodeBytes(c.key)
			e.encodeByte(' ')
			code = code.next
			code.ptr = c.ptr + c.offset
			c.nextField.ptr = c.ptr
		case opStructFieldIntIndent:
			c := code.toStructFieldCode()
			e.encodeBytes([]byte{',', '\n'})
			e.encodeIndent(c.indent)
			e.encodeBytes(c.key)
			e.encodeByte(' ')
			e.encodeInt(e.ptrToInt(c.ptr + c.offset))
			code = code.next
			c.nextField.ptr = c.ptr
		case opStructFieldInt8Indent:
			c := code.toStructFieldCode()
			e.encodeBytes([]byte{',', '\n'})
			e.encodeIndent(c.indent)
			e.encodeBytes(c.key)
			e.encodeByte(' ')
			e.encodeInt8(e.ptrToInt8(c.ptr + c.offset))
			code = code.next
			c.nextField.ptr = c.ptr
		case opStructFieldInt16Indent:
			c := code.toStructFieldCode()
			e.encodeBytes([]byte{',', '\n'})
			e.encodeIndent(c.indent)
			e.encodeBytes(c.key)
			e.encodeByte(' ')
			e.encodeInt16(e.ptrToInt16(c.ptr + c.offset))
			code = code.next
			c.nextField.ptr = c.ptr
		case opStructFieldInt32Indent:
			c := code.toStructFieldCode()
			e.encodeBytes([]byte{',', '\n'})
			e.encodeIndent(c.indent)
			e.encodeBytes(c.key)
			e.encodeByte(' ')
			e.encodeInt32(e.ptrToInt32(c.ptr + c.offset))
			code = code.next
			c.nextField.ptr = c.ptr
		case opStructFieldInt64Indent:
			c := code.toStructFieldCode()
			e.encodeBytes([]byte{',', '\n'})
			e.encodeIndent(c.indent)
			e.encodeBytes(c.key)
			e.encodeByte(' ')
			e.encodeInt64(e.ptrToInt64(c.ptr + c.offset))
			code = code.next
			c.nextField.ptr = c.ptr
		case opStructFieldUintIndent:
			c := code.toStructFieldCode()
			e.encodeBytes([]byte{',', '\n'})
			e.encodeIndent(c.indent)
			e.encodeBytes(c.key)
			e.encodeByte(' ')
			e.encodeUint(e.ptrToUint(c.ptr + c.offset))
			code = code.next
			c.nextField.ptr = c.ptr
		case opStructFieldUint8Indent:
			c := code.toStructFieldCode()
			e.encodeBytes([]byte{',', '\n'})
			e.encodeIndent(c.indent)
			e.encodeBytes(c.key)
			e.encodeByte(' ')
			e.encodeUint8(e.ptrToUint8(c.ptr + c.offset))
			code = code.next
			c.nextField.ptr = c.ptr
		case opStructFieldUint16Indent:
			c := code.toStructFieldCode()
			e.encodeBytes([]byte{',', '\n'})
			e.encodeIndent(c.indent)
			e.encodeBytes(c.key)
			e.encodeByte(' ')
			e.encodeUint16(e.ptrToUint16(c.ptr + c.offset))
			code = code.next
			c.nextField.ptr = c.ptr
		case opStructFieldUint32Indent:
			c := code.toStructFieldCode()
			e.encodeBytes([]byte{',', '\n'})
			e.encodeIndent(c.indent)
			e.encodeBytes(c.key)
			e.encodeByte(' ')
			e.encodeUint32(e.ptrToUint32(c.ptr + c.offset))
			code = code.next
			c.nextField.ptr = c.ptr
		case opStructFieldUint64Indent:
			c := code.toStructFieldCode()
			e.encodeBytes([]byte{',', '\n'})
			e.encodeIndent(c.indent)
			e.encodeBytes(c.key)
			e.encodeByte(' ')
			e.encodeUint64(e.ptrToUint64(c.ptr + c.offset))
			code = code.next
			c.nextField.ptr = c.ptr
		case opStructFieldFloat32Indent:
			c := code.toStructFieldCode()
			e.encodeBytes([]byte{',', '\n'})
			e.encodeIndent(c.indent)
			e.encodeBytes(c.key)
			e.encodeByte(' ')
			e.encodeFloat32(e.ptrToFloat32(c.ptr + c.offset))
			code = code.next
			c.nextField.ptr = c.ptr
		case opStructFieldFloat64Indent:
			c := code.toStructFieldCode()
			e.encodeBytes([]byte{',', '\n'})
			e.encodeIndent(c.indent)
			e.encodeBytes(c.key)
			e.encodeByte(' ')
			v := e.ptrToFloat64(c.ptr + c.offset)
			if math.IsInf(v, 0) || math.IsNaN(v) {
				return &UnsupportedValueError{
					Value: reflect.ValueOf(v),
					Str:   strconv.FormatFloat(v, 'g', -1, 64),
				}
			}
			e.encodeFloat64(v)
			code = code.next
			c.nextField.ptr = c.ptr
		case opStructFieldStringIndent:
			c := code.toStructFieldCode()
			e.encodeBytes([]byte{',', '\n'})
			e.encodeIndent(c.indent)
			e.encodeBytes(c.key)
			e.encodeByte(' ')
			e.encodeString(e.ptrToString(c.ptr + c.offset))
			code = code.next
			c.nextField.ptr = c.ptr
		case opStructFieldBoolIndent:
			c := code.toStructFieldCode()
			e.encodeBytes([]byte{',', '\n'})
			e.encodeIndent(c.indent)
			e.encodeBytes(c.key)
			e.encodeByte(' ')
			e.encodeBool(e.ptrToBool(c.ptr + c.offset))
			code = code.next
			c.nextField.ptr = c.ptr
		case opStructFieldOmitEmpty:
			c := code.toStructFieldCode()
			p := c.ptr + c.offset
			if p == 0 || *(*uintptr)(unsafe.Pointer(p)) == 0 {
				code = c.nextField
			} else {
				if e.buf[len(e.buf)-1] != '{' {
					e.encodeByte(',')
				}
				e.encodeBytes(c.key)
				code = code.next
				code.ptr = p
			}
			c.nextField.ptr = c.ptr
		case opStructFieldIntOmitEmpty:
			c := code.toStructFieldCode()
			v := e.ptrToInt(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-1] != '{' {
					e.encodeByte(',')
				}
				e.encodeBytes(c.key)
				e.encodeInt(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldInt8OmitEmpty:
			c := code.toStructFieldCode()
			v := e.ptrToInt8(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-1] != '{' {
					e.encodeByte(',')
				}
				e.encodeBytes(c.key)
				e.encodeInt8(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldInt16OmitEmpty:
			c := code.toStructFieldCode()
			v := e.ptrToInt16(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-1] != '{' {
					e.encodeByte(',')
				}
				e.encodeBytes(c.key)
				e.encodeInt16(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldInt32OmitEmpty:
			c := code.toStructFieldCode()
			v := e.ptrToInt32(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-1] != '{' {
					e.encodeByte(',')
				}
				e.encodeBytes(c.key)
				e.encodeInt32(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldInt64OmitEmpty:
			c := code.toStructFieldCode()
			v := e.ptrToInt64(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-1] != '{' {
					e.encodeByte(',')
				}
				e.encodeBytes(c.key)
				e.encodeInt64(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldUintOmitEmpty:
			c := code.toStructFieldCode()
			v := e.ptrToUint(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-1] != '{' {
					e.encodeByte(',')
				}
				e.encodeBytes(c.key)
				e.encodeUint(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldUint8OmitEmpty:
			c := code.toStructFieldCode()
			v := e.ptrToUint8(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-1] != '{' {
					e.encodeByte(',')
				}
				e.encodeBytes(c.key)
				e.encodeUint8(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldUint16OmitEmpty:
			c := code.toStructFieldCode()
			v := e.ptrToUint16(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-1] != '{' {
					e.encodeByte(',')
				}
				e.encodeBytes(c.key)
				e.encodeUint16(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldUint32OmitEmpty:
			c := code.toStructFieldCode()
			v := e.ptrToUint32(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-1] != '{' {
					e.encodeByte(',')
				}
				e.encodeBytes(c.key)
				e.encodeUint32(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldUint64OmitEmpty:
			c := code.toStructFieldCode()
			v := e.ptrToUint64(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-1] != '{' {
					e.encodeByte(',')
				}
				e.encodeBytes(c.key)
				e.encodeUint64(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldFloat32OmitEmpty:
			c := code.toStructFieldCode()
			v := e.ptrToFloat32(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-1] != '{' {
					e.encodeByte(',')
				}
				e.encodeBytes(c.key)
				e.encodeFloat32(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldFloat64OmitEmpty:
			c := code.toStructFieldCode()
			v := e.ptrToFloat64(c.ptr + c.offset)
			if v != 0 {
				if math.IsInf(v, 0) || math.IsNaN(v) {
					return &UnsupportedValueError{
						Value: reflect.ValueOf(v),
						Str:   strconv.FormatFloat(v, 'g', -1, 64),
					}
				}
				if e.buf[len(e.buf)-1] != '{' {
					e.encodeByte(',')
				}
				e.encodeBytes(c.key)
				e.encodeFloat64(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldStringOmitEmpty:
			c := code.toStructFieldCode()
			v := e.ptrToString(c.ptr + c.offset)
			if v != "" {
				if e.buf[len(e.buf)-1] != '{' {
					e.encodeByte(',')
				}
				e.encodeBytes(c.key)
				e.encodeString(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldBoolOmitEmpty:
			c := code.toStructFieldCode()
			v := e.ptrToBool(c.ptr + c.offset)
			if v {
				if e.buf[len(e.buf)-1] != '{' {
					e.encodeByte(',')
				}
				e.encodeBytes(c.key)
				e.encodeBool(v)
			}
			code = code.next
			code.ptr = c.ptr

		case opStructFieldOmitEmptyIndent:
			c := code.toStructFieldCode()
			p := c.ptr + c.offset
			if p == 0 || *(*uintptr)(unsafe.Pointer(p)) == 0 {
				code = c.nextField
			} else {
				if e.buf[len(e.buf)-2] != '{' {
					e.encodeBytes([]byte{',', '\n'})
				}
				e.encodeIndent(c.indent)
				e.encodeBytes(c.key)
				e.encodeByte(' ')
				code = code.next
				code.ptr = p
			}
			c.nextField.ptr = c.ptr
		case opStructFieldIntOmitEmptyIndent:
			c := code.toStructFieldCode()
			v := e.ptrToInt(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-2] != '{' {
					e.encodeBytes([]byte{',', '\n'})
				}
				e.encodeIndent(c.indent)
				e.encodeBytes(c.key)
				e.encodeByte(' ')
				e.encodeInt(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldInt8OmitEmptyIndent:
			c := code.toStructFieldCode()
			v := e.ptrToInt8(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-2] != '{' {
					e.encodeBytes([]byte{',', '\n'})
				}
				e.encodeIndent(c.indent)
				e.encodeBytes(c.key)
				e.encodeByte(' ')
				e.encodeInt8(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldInt16OmitEmptyIndent:
			c := code.toStructFieldCode()
			v := e.ptrToInt16(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-2] != '{' {
					e.encodeBytes([]byte{',', '\n'})
				}
				e.encodeIndent(c.indent)
				e.encodeBytes(c.key)
				e.encodeByte(' ')
				e.encodeInt16(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldInt32OmitEmptyIndent:
			c := code.toStructFieldCode()
			v := e.ptrToInt32(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-2] != '{' {
					e.encodeBytes([]byte{',', '\n'})
				}
				e.encodeIndent(c.indent)
				e.encodeBytes(c.key)
				e.encodeByte(' ')
				e.encodeInt32(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldInt64OmitEmptyIndent:
			c := code.toStructFieldCode()
			v := e.ptrToInt64(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-2] != '{' {
					e.encodeBytes([]byte{',', '\n'})
				}
				e.encodeIndent(c.indent)
				e.encodeBytes(c.key)
				e.encodeByte(' ')
				e.encodeInt64(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldUintOmitEmptyIndent:
			c := code.toStructFieldCode()
			v := e.ptrToUint(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-2] != '{' {
					e.encodeBytes([]byte{',', '\n'})
				}
				e.encodeIndent(c.indent)
				e.encodeBytes(c.key)
				e.encodeByte(' ')
				e.encodeUint(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldUint8OmitEmptyIndent:
			c := code.toStructFieldCode()
			v := e.ptrToUint8(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-2] != '{' {
					e.encodeBytes([]byte{',', '\n'})
				}
				e.encodeIndent(c.indent)
				e.encodeBytes(c.key)
				e.encodeByte(' ')
				e.encodeUint8(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldUint16OmitEmptyIndent:
			c := code.toStructFieldCode()
			v := e.ptrToUint16(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-2] != '{' {
					e.encodeBytes([]byte{',', '\n'})
				}
				e.encodeIndent(c.indent)
				e.encodeBytes(c.key)
				e.encodeByte(' ')
				e.encodeUint16(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldUint32OmitEmptyIndent:
			c := code.toStructFieldCode()
			v := e.ptrToUint32(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-2] != '{' {
					e.encodeBytes([]byte{',', '\n'})
				}
				e.encodeIndent(c.indent)
				e.encodeBytes(c.key)
				e.encodeByte(' ')
				e.encodeUint32(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldUint64OmitEmptyIndent:
			c := code.toStructFieldCode()
			v := e.ptrToUint64(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-2] != '{' {
					e.encodeBytes([]byte{',', '\n'})
				}
				e.encodeIndent(c.indent)
				e.encodeBytes(c.key)
				e.encodeByte(' ')
				e.encodeUint64(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldFloat32OmitEmptyIndent:
			c := code.toStructFieldCode()
			v := e.ptrToFloat32(c.ptr + c.offset)
			if v != 0 {
				if e.buf[len(e.buf)-2] != '{' {
					e.encodeBytes([]byte{',', '\n'})
				}
				e.encodeIndent(c.indent)
				e.encodeBytes(c.key)
				e.encodeByte(' ')
				e.encodeFloat32(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldFloat64OmitEmptyIndent:
			c := code.toStructFieldCode()
			v := e.ptrToFloat64(c.ptr + c.offset)
			if v != 0 {
				if math.IsInf(v, 0) || math.IsNaN(v) {
					return &UnsupportedValueError{
						Value: reflect.ValueOf(v),
						Str:   strconv.FormatFloat(v, 'g', -1, 64),
					}
				}
				if e.buf[len(e.buf)-2] != '{' {
					e.encodeBytes([]byte{',', '\n'})
				}
				e.encodeIndent(c.indent)
				e.encodeBytes(c.key)
				e.encodeByte(' ')
				e.encodeFloat64(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldStringOmitEmptyIndent:
			c := code.toStructFieldCode()
			v := e.ptrToString(c.ptr + c.offset)
			if v != "" {
				if e.buf[len(e.buf)-2] != '{' {
					e.encodeBytes([]byte{',', '\n'})
				}
				e.encodeIndent(c.indent)
				e.encodeBytes(c.key)
				e.encodeByte(' ')
				e.encodeString(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructFieldBoolOmitEmptyIndent:
			c := code.toStructFieldCode()
			v := e.ptrToBool(c.ptr + c.offset)
			if v {
				if e.buf[len(e.buf)-2] != '{' {
					e.encodeBytes([]byte{',', '\n'})
				}
				e.encodeIndent(c.indent)
				e.encodeBytes(c.key)
				e.encodeByte(' ')
				e.encodeBool(v)
			}
			code = code.next
			code.ptr = c.ptr
		case opStructEnd:
			e.encodeByte('}')
			code = code.next
		case opStructEndIndent:
			e.encodeByte('\n')
			e.encodeIndent(code.indent)
			e.encodeByte('}')
			code = code.next
		case opEnd:
			goto END
		}
	}
END:
	return nil
}

func (e *Encoder) ptrToPtr(p uintptr) uintptr     { return *(*uintptr)(unsafe.Pointer(p)) }
func (e *Encoder) ptrToInt(p uintptr) int         { return *(*int)(unsafe.Pointer(p)) }
func (e *Encoder) ptrToInt8(p uintptr) int8       { return *(*int8)(unsafe.Pointer(p)) }
func (e *Encoder) ptrToInt16(p uintptr) int16     { return *(*int16)(unsafe.Pointer(p)) }
func (e *Encoder) ptrToInt32(p uintptr) int32     { return *(*int32)(unsafe.Pointer(p)) }
func (e *Encoder) ptrToInt64(p uintptr) int64     { return *(*int64)(unsafe.Pointer(p)) }
func (e *Encoder) ptrToUint(p uintptr) uint       { return *(*uint)(unsafe.Pointer(p)) }
func (e *Encoder) ptrToUint8(p uintptr) uint8     { return *(*uint8)(unsafe.Pointer(p)) }
func (e *Encoder) ptrToUint16(p uintptr) uint16   { return *(*uint16)(unsafe.Pointer(p)) }
func (e *Encoder) ptrToUint32(p uintptr) uint32   { return *(*uint32)(unsafe.Pointer(p)) }
func (e *Encoder) ptrToUint64(p uintptr) uint64   { return *(*uint64)(unsafe.Pointer(p)) }
func (e *Encoder) ptrToFloat32(p uintptr) float32 { return *(*float32)(unsafe.Pointer(p)) }
func (e *Encoder) ptrToFloat64(p uintptr) float64 { return *(*float64)(unsafe.Pointer(p)) }
func (e *Encoder) ptrToBool(p uintptr) bool       { return *(*bool)(unsafe.Pointer(p)) }
func (e *Encoder) ptrToByte(p uintptr) byte       { return *(*byte)(unsafe.Pointer(p)) }
func (e *Encoder) ptrToBytes(p uintptr) []byte    { return *(*[]byte)(unsafe.Pointer(p)) }
func (e *Encoder) ptrToString(p uintptr) string   { return *(*string)(unsafe.Pointer(p)) }