mirror of https://github.com/goccy/go-json.git
607 lines
14 KiB
Go
607 lines
14 KiB
Go
package json
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import (
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"fmt"
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"reflect"
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"strings"
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"unsafe"
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)
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type opType int
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const (
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opEnd opType = iota
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opInt
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opInt8
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opInt16
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opInt32
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opInt64
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opUint
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opUint8
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opUint16
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opUint32
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opUint64
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opFloat32
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opFloat64
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opString
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opBool
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opInterface
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opPtr
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opSliceHead
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opSliceElem
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opSliceEnd
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opArrayHead
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opArrayElem
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opArrayEnd
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opMapHead
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opMapKey
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opMapValue
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opMapEnd
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// StructFieldHead
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opStructFieldHead
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opStructFieldHeadInt
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opStructFieldHeadInt8
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opStructFieldHeadInt16
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opStructFieldHeadInt32
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opStructFieldHeadInt64
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opStructFieldHeadUint
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opStructFieldHeadUint8
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opStructFieldHeadUint16
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opStructFieldHeadUint32
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opStructFieldHeadUint64
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opStructFieldHeadFloat32
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opStructFieldHeadFloat64
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opStructFieldHeadString
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opStructFieldHeadBool
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// StructFieldHead with omitempty
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opStructFieldHeadOmitEmpty
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opStructFieldHeadIntOmitEmpty
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opStructFieldHeadInt8OmitEmpty
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opStructFieldHeadInt16OmitEmpty
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opStructFieldHeadInt32OmitEmpty
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opStructFieldHeadInt64OmitEmpty
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opStructFieldHeadUintOmitEmpty
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opStructFieldHeadUint8OmitEmpty
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opStructFieldHeadUint16OmitEmpty
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opStructFieldHeadUint32OmitEmpty
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opStructFieldHeadUint64OmitEmpty
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opStructFieldHeadFloat32OmitEmpty
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opStructFieldHeadFloat64OmitEmpty
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opStructFieldHeadStringOmitEmpty
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opStructFieldHeadBoolOmitEmpty
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// StructFieldHead for pointer structure
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opStructFieldPtrHead
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opStructFieldPtrHeadInt
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opStructFieldPtrHeadInt8
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opStructFieldPtrHeadInt16
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opStructFieldPtrHeadInt32
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opStructFieldPtrHeadInt64
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opStructFieldPtrHeadUint
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opStructFieldPtrHeadUint8
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opStructFieldPtrHeadUint16
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opStructFieldPtrHeadUint32
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opStructFieldPtrHeadUint64
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opStructFieldPtrHeadFloat32
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opStructFieldPtrHeadFloat64
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opStructFieldPtrHeadString
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opStructFieldPtrHeadBool
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// StructFieldPtrHead with omitempty
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opStructFieldPtrHeadOmitEmpty
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opStructFieldPtrHeadIntOmitEmpty
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opStructFieldPtrHeadInt8OmitEmpty
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opStructFieldPtrHeadInt16OmitEmpty
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opStructFieldPtrHeadInt32OmitEmpty
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opStructFieldPtrHeadInt64OmitEmpty
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opStructFieldPtrHeadUintOmitEmpty
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opStructFieldPtrHeadUint8OmitEmpty
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opStructFieldPtrHeadUint16OmitEmpty
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opStructFieldPtrHeadUint32OmitEmpty
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opStructFieldPtrHeadUint64OmitEmpty
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opStructFieldPtrHeadFloat32OmitEmpty
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opStructFieldPtrHeadFloat64OmitEmpty
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opStructFieldPtrHeadStringOmitEmpty
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opStructFieldPtrHeadBoolOmitEmpty
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// StructField
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opStructField
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opStructFieldInt
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opStructFieldInt8
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opStructFieldInt16
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opStructFieldInt32
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opStructFieldInt64
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opStructFieldUint
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opStructFieldUint8
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opStructFieldUint16
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opStructFieldUint32
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opStructFieldUint64
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opStructFieldFloat32
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opStructFieldFloat64
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opStructFieldString
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opStructFieldBool
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// StructField with omitempty
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opStructFieldOmitEmpty
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opStructFieldIntOmitEmpty
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opStructFieldInt8OmitEmpty
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opStructFieldInt16OmitEmpty
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opStructFieldInt32OmitEmpty
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opStructFieldInt64OmitEmpty
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opStructFieldUintOmitEmpty
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opStructFieldUint8OmitEmpty
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opStructFieldUint16OmitEmpty
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opStructFieldUint32OmitEmpty
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opStructFieldUint64OmitEmpty
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opStructFieldFloat32OmitEmpty
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opStructFieldFloat64OmitEmpty
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opStructFieldStringOmitEmpty
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opStructFieldBoolOmitEmpty
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opStructEnd
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)
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func (t opType) String() string {
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switch t {
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case opEnd:
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return "END"
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case opInt:
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return "INT"
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case opInt8:
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return "INT8"
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case opInt16:
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return "INT16"
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case opInt32:
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return "INT32"
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case opInt64:
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return "INT64"
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case opUint:
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return "UINT"
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case opUint8:
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return "UINT8"
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case opUint16:
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return "UINT16"
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case opUint32:
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return "UINT32"
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case opUint64:
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return "UINT64"
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case opFloat32:
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return "FLOAT32"
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case opFloat64:
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return "FLOAT64"
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case opString:
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return "STRING"
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case opBool:
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return "BOOL"
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case opInterface:
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return "INTERFACE"
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case opPtr:
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return "PTR"
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case opSliceHead:
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return "SLICE_HEAD"
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case opSliceElem:
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return "SLICE_ELEM"
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case opSliceEnd:
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return "SLICE_END"
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case opArrayHead:
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return "ARRAY_HEAD"
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case opArrayElem:
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return "ARRAY_ELEM"
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case opArrayEnd:
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return "ARRAY_END"
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case opMapHead:
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return "MAP_HEAD"
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case opMapKey:
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return "MAP_KEY"
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case opMapValue:
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return "MAP_VALUE"
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case opMapEnd:
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return "MAP_END"
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case opStructFieldHead:
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return "STRUCT_FIELD_HEAD"
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case opStructFieldHeadInt:
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return "STRUCT_FIELD_HEAD_INT"
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case opStructFieldHeadInt8:
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return "STRUCT_FIELD_HEAD_INT8"
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case opStructFieldHeadInt16:
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return "STRUCT_FIELD_HEAD_INT16"
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case opStructFieldHeadInt32:
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return "STRUCT_FIELD_HEAD_INT32"
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case opStructFieldHeadInt64:
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return "STRUCT_FIELD_HEAD_INT64"
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case opStructFieldHeadUint:
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return "STRUCT_FIELD_HEAD_UINT"
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case opStructFieldHeadUint8:
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return "STRUCT_FIELD_HEAD_UINT8"
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case opStructFieldHeadUint16:
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return "STRUCT_FIELD_HEAD_UINT16"
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case opStructFieldHeadUint32:
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return "STRUCT_FIELD_HEAD_UINT32"
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case opStructFieldHeadUint64:
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return "STRUCT_FIELD_HEAD_UINT64"
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case opStructFieldHeadFloat32:
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return "STRUCT_FIELD_HEAD_FLOAT32"
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case opStructFieldHeadFloat64:
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return "STRUCT_FIELD_HEAD_FLOAT64"
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case opStructFieldHeadString:
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return "STRUCT_FIELD_HEAD_STRING"
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case opStructFieldHeadBool:
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return "STRUCT_FIELD_HEAD_BOOL"
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case opStructFieldHeadOmitEmpty:
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return "STRUCT_FIELD_HEAD_OMIT_EMPTY"
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case opStructFieldHeadIntOmitEmpty:
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return "STRUCT_FIELD_HEAD_INT_OMIT_EMPTY"
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case opStructFieldHeadInt8OmitEmpty:
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return "STRUCT_FIELD_HEAD_INT8_OMIT_EMPTY"
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case opStructFieldHeadInt16OmitEmpty:
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return "STRUCT_FIELD_HEAD_INT16_OMIT_EMPTY"
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case opStructFieldHeadInt32OmitEmpty:
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return "STRUCT_FIELD_HEAD_INT32_OMIT_EMPTY"
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case opStructFieldHeadInt64OmitEmpty:
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return "STRUCT_FIELD_HEAD_INT64_OMIT_EMPTY"
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case opStructFieldHeadUintOmitEmpty:
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return "STRUCT_FIELD_HEAD_UINT_OMIT_EMPTY"
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case opStructFieldHeadUint8OmitEmpty:
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return "STRUCT_FIELD_HEAD_UINT8_OMIT_EMPTY"
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case opStructFieldHeadUint16OmitEmpty:
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return "STRUCT_FIELD_HEAD_UINT16_OMIT_EMPTY"
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case opStructFieldHeadUint32OmitEmpty:
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return "STRUCT_FIELD_HEAD_UINT32_OMIT_EMPTY"
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case opStructFieldHeadUint64OmitEmpty:
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return "STRUCT_FIELD_HEAD_UINT64_OMIT_EMPTY"
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case opStructFieldHeadFloat32OmitEmpty:
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return "STRUCT_FIELD_HEAD_FLOAT32_OMIT_EMPTY"
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case opStructFieldHeadFloat64OmitEmpty:
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return "STRUCT_FIELD_HEAD_FLOAT64_OMIT_EMPTY"
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case opStructFieldHeadStringOmitEmpty:
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return "STRUCT_FIELD_HEAD_STRING_OMIT_EMPTY"
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case opStructFieldHeadBoolOmitEmpty:
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return "STRUCT_FIELD_HEAD_BOOL_OMIT_EMPTY"
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case opStructFieldPtrHead:
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return "STRUCT_FIELD_PTR_HEAD"
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case opStructFieldPtrHeadInt:
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return "STRUCT_FIELD_PTR_HEAD_INT"
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case opStructFieldPtrHeadInt8:
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return "STRUCT_FIELD_PTR_HEAD_INT8"
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case opStructFieldPtrHeadInt16:
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return "STRUCT_FIELD_PTR_HEAD_INT16"
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case opStructFieldPtrHeadInt32:
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return "STRUCT_FIELD_PTR_HEAD_INT32"
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case opStructFieldPtrHeadInt64:
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return "STRUCT_FIELD_PTR_HEAD_INT64"
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case opStructFieldPtrHeadUint:
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return "STRUCT_FIELD_PTR_HEAD_UINT"
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case opStructFieldPtrHeadUint8:
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return "STRUCT_FIELD_PTR_HEAD_UINT8"
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case opStructFieldPtrHeadUint16:
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return "STRUCT_FIELD_PTR_HEAD_UINT16"
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case opStructFieldPtrHeadUint32:
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return "STRUCT_FIELD_PTR_HEAD_UINT32"
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case opStructFieldPtrHeadUint64:
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return "STRUCT_FIELD_PTR_HEAD_UINT64"
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case opStructFieldPtrHeadFloat32:
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return "STRUCT_FIELD_PTR_HEAD_FLOAT32"
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case opStructFieldPtrHeadFloat64:
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return "STRUCT_FIELD_PTR_HEAD_FLOAT64"
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case opStructFieldPtrHeadString:
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return "STRUCT_FIELD_PTR_HEAD_STRING"
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case opStructFieldPtrHeadBool:
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return "STRUCT_FIELD_PTR_HEAD_BOOL"
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case opStructFieldPtrHeadOmitEmpty:
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return "STRUCT_FIELD_PTR_HEAD_OMIT_EMPTY"
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case opStructFieldPtrHeadIntOmitEmpty:
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return "STRUCT_FIELD_PTR_HEAD_INT_OMIT_EMPTY"
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case opStructFieldPtrHeadInt8OmitEmpty:
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return "STRUCT_FIELD_PTR_HEAD_INT8_OMIT_EMPTY"
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case opStructFieldPtrHeadInt16OmitEmpty:
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return "STRUCT_FIELD_PTR_HEAD_INT16_OMIT_EMPTY"
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case opStructFieldPtrHeadInt32OmitEmpty:
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return "STRUCT_FIELD_PTR_HEAD_INT32_OMIT_EMPTY"
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case opStructFieldPtrHeadInt64OmitEmpty:
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return "STRUCT_FIELD_PTR_HEAD_INT64_OMIT_EMPTY"
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case opStructFieldPtrHeadUintOmitEmpty:
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return "STRUCT_FIELD_PTR_HEAD_UINT_OMIT_EMPTY"
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case opStructFieldPtrHeadUint8OmitEmpty:
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return "STRUCT_FIELD_PTR_HEAD_UINT8_OMIT_EMPTY"
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case opStructFieldPtrHeadUint16OmitEmpty:
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return "STRUCT_FIELD_PTR_HEAD_UINT16_OMIT_EMPTY"
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case opStructFieldPtrHeadUint32OmitEmpty:
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return "STRUCT_FIELD_PTR_HEAD_UINT32_OMIT_EMPTY"
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case opStructFieldPtrHeadUint64OmitEmpty:
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return "STRUCT_FIELD_PTR_HEAD_UINT64_OMIT_EMPTY"
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case opStructFieldPtrHeadFloat32OmitEmpty:
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return "STRUCT_FIELD_PTR_HEAD_FLOAT32_OMIT_EMPTY"
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case opStructFieldPtrHeadFloat64OmitEmpty:
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return "STRUCT_FIELD_PTR_HEAD_FLOAT64_OMIT_EMPTY"
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case opStructFieldPtrHeadStringOmitEmpty:
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return "STRUCT_FIELD_PTR_HEAD_STRING_OMIT_EMPTY"
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case opStructFieldPtrHeadBoolOmitEmpty:
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return "STRUCT_FIELD_PTR_HEAD_BOOL_OMIT_EMPTY"
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case opStructField:
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return "STRUCT_FIELD"
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case opStructFieldInt:
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return "STRUCT_FIELD_INT"
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case opStructFieldInt8:
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return "STRUCT_FIELD_INT8"
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case opStructFieldInt16:
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return "STRUCT_FIELD_INT16"
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case opStructFieldInt32:
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return "STRUCT_FIELD_INT32"
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case opStructFieldInt64:
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return "STRUCT_FIELD_INT64"
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case opStructFieldUint:
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return "STRUCT_FIELD_UINT"
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case opStructFieldUint8:
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return "STRUCT_FIELD_UINT8"
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case opStructFieldUint16:
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return "STRUCT_FIELD_UINT16"
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case opStructFieldUint32:
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return "STRUCT_FIELD_UINT32"
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case opStructFieldUint64:
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return "STRUCT_FIELD_UINT64"
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case opStructFieldFloat32:
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return "STRUCT_FIELD_FLOAT32"
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case opStructFieldFloat64:
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return "STRUCT_FIELD_FLOAT64"
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case opStructFieldString:
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return "STRUCT_FIELD_STRING"
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case opStructFieldBool:
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return "STRUCT_FIELD_BOOL"
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case opStructFieldOmitEmpty:
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return "STRUCT_FIELD_OMIT_EMPTY"
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case opStructFieldIntOmitEmpty:
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return "STRUCT_FIELD_INT_OMIT_EMPTY"
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case opStructFieldInt8OmitEmpty:
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return "STRUCT_FIELD_INT8_OMIT_EMPTY"
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case opStructFieldInt16OmitEmpty:
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return "STRUCT_FIELD_INT16_OMIT_EMPTY"
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case opStructFieldInt32OmitEmpty:
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return "STRUCT_FIELD_INT32_OMIT_EMPTY"
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case opStructFieldInt64OmitEmpty:
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return "STRUCT_FIELD_INT64_OMIT_EMPTY"
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case opStructFieldUintOmitEmpty:
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return "STRUCT_FIELD_UINT_OMIT_EMPTY"
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case opStructFieldUint8OmitEmpty:
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return "STRUCT_FIELD_UINT8_OMIT_EMPTY"
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case opStructFieldUint16OmitEmpty:
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return "STRUCT_FIELD_UINT16_OMIT_EMPTY"
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case opStructFieldUint32OmitEmpty:
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return "STRUCT_FIELD_UINT32_OMIT_EMPTY"
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case opStructFieldUint64OmitEmpty:
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return "STRUCT_FIELD_UINT64_OMIT_EMPTY"
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case opStructFieldFloat32OmitEmpty:
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return "STRUCT_FIELD_FLOAT32_OMIT_EMPTY"
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case opStructFieldFloat64OmitEmpty:
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return "STRUCT_FIELD_FLOAT64_OMIT_EMPTY"
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case opStructFieldStringOmitEmpty:
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return "STRUCT_FIELD_STRING_OMIT_EMPTY"
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case opStructFieldBoolOmitEmpty:
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return "STRUCT_FIELD_BOOL_OMIT_EMPTY"
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case opStructEnd:
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return "STRUCT_END"
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}
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return ""
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}
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type opcodeHeader struct {
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op opType
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typ *rtype
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ptr uintptr
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next *opcode
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}
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type opcode struct {
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*opcodeHeader
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}
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func newOpCode(op opType, typ *rtype, next *opcode) *opcode {
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return &opcode{
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opcodeHeader: &opcodeHeader{
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op: op,
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typ: typ,
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next: next,
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},
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}
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}
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func newEndOp() *opcode {
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return newOpCode(opEnd, nil, nil)
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}
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func (c *opcode) beforeLastCode() *opcode {
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code := c
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for {
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var nextCode *opcode
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switch code.op {
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case opArrayElem:
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nextCode = code.toArrayElemCode().end
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case opSliceElem:
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nextCode = code.toSliceElemCode().end
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case opMapKey:
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nextCode = code.toMapKeyCode().end
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default:
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nextCode = code.next
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}
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if nextCode.op == opEnd {
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return code
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}
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code = nextCode
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}
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return nil
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}
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func (c *opcode) dump() string {
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codes := []string{}
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for code := c; code.op != opEnd; {
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codes = append(codes, fmt.Sprintf("%s", code.op))
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switch code.op {
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case opArrayElem:
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code = code.toArrayElemCode().end
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case opSliceElem:
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code = code.toSliceElemCode().end
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case opMapKey:
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code = code.toMapKeyCode().end
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default:
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code = code.next
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}
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}
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return strings.Join(codes, "\n")
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}
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func (c *opcode) toSliceHeaderCode() *sliceHeaderCode {
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return (*sliceHeaderCode)(unsafe.Pointer(c))
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}
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func (c *opcode) toSliceElemCode() *sliceElemCode {
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return (*sliceElemCode)(unsafe.Pointer(c))
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}
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func (c *opcode) toArrayHeaderCode() *arrayHeaderCode {
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return (*arrayHeaderCode)(unsafe.Pointer(c))
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}
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func (c *opcode) toArrayElemCode() *arrayElemCode {
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return (*arrayElemCode)(unsafe.Pointer(c))
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}
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func (c *opcode) toStructFieldCode() *structFieldCode {
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return (*structFieldCode)(unsafe.Pointer(c))
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}
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func (c *opcode) toMapHeadCode() *mapHeaderCode {
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return (*mapHeaderCode)(unsafe.Pointer(c))
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}
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func (c *opcode) toMapKeyCode() *mapKeyCode {
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return (*mapKeyCode)(unsafe.Pointer(c))
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}
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func (c *opcode) toMapValueCode() *mapValueCode {
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return (*mapValueCode)(unsafe.Pointer(c))
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}
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type sliceHeaderCode struct {
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*opcodeHeader
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elem *sliceElemCode
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end *opcode
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}
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func newSliceHeaderCode() *sliceHeaderCode {
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return &sliceHeaderCode{
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opcodeHeader: &opcodeHeader{
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op: opSliceHead,
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},
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}
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}
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type sliceElemCode struct {
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*opcodeHeader
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idx uintptr
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len uintptr
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size uintptr
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data uintptr
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end *opcode
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}
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func (c *sliceElemCode) set(header *reflect.SliceHeader) {
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c.idx = uintptr(0)
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c.len = uintptr(header.Len)
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c.data = header.Data
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}
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type arrayHeaderCode struct {
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*opcodeHeader
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len uintptr
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elem *arrayElemCode
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end *opcode
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}
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func newArrayHeaderCode(alen int) *arrayHeaderCode {
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return &arrayHeaderCode{
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opcodeHeader: &opcodeHeader{
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op: opArrayHead,
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},
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len: uintptr(alen),
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|
}
|
|
}
|
|
|
|
type arrayElemCode struct {
|
|
*opcodeHeader
|
|
idx uintptr
|
|
len uintptr
|
|
size uintptr
|
|
end *opcode
|
|
}
|
|
|
|
type structFieldCode struct {
|
|
*opcodeHeader
|
|
key []byte
|
|
offset uintptr
|
|
nextField *opcode
|
|
end *opcode
|
|
}
|
|
|
|
type mapHeaderCode struct {
|
|
*opcodeHeader
|
|
key *mapKeyCode
|
|
value *mapValueCode
|
|
end *opcode
|
|
}
|
|
|
|
type mapKeyCode struct {
|
|
*opcodeHeader
|
|
idx int
|
|
len int
|
|
iter unsafe.Pointer
|
|
end *opcode
|
|
}
|
|
|
|
func (c *mapKeyCode) set(len int, iter unsafe.Pointer) {
|
|
c.idx = 0
|
|
c.len = len
|
|
c.iter = iter
|
|
}
|
|
|
|
type mapValueCode struct {
|
|
*opcodeHeader
|
|
iter unsafe.Pointer
|
|
}
|
|
|
|
func (c *mapValueCode) set(iter unsafe.Pointer) {
|
|
c.iter = iter
|
|
}
|
|
|
|
func newMapHeaderCode(typ *rtype) *mapHeaderCode {
|
|
return &mapHeaderCode{
|
|
opcodeHeader: &opcodeHeader{
|
|
op: opMapHead,
|
|
typ: typ,
|
|
},
|
|
}
|
|
}
|
|
|
|
func newMapKeyCode() *mapKeyCode {
|
|
return &mapKeyCode{
|
|
opcodeHeader: &opcodeHeader{
|
|
op: opMapKey,
|
|
},
|
|
}
|
|
}
|
|
|
|
func newMapValueCode() *mapValueCode {
|
|
return &mapValueCode{
|
|
opcodeHeader: &opcodeHeader{
|
|
op: opMapValue,
|
|
},
|
|
}
|
|
}
|