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path: root/vendor/github.com/goccy/go-json/internal/encoder/opcode.go
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Diffstat (limited to 'vendor/github.com/goccy/go-json/internal/encoder/opcode.go')
-rw-r--r--vendor/github.com/goccy/go-json/internal/encoder/opcode.go752
1 files changed, 0 insertions, 752 deletions
diff --git a/vendor/github.com/goccy/go-json/internal/encoder/opcode.go b/vendor/github.com/goccy/go-json/internal/encoder/opcode.go
deleted file mode 100644
index df22f5542..000000000
--- a/vendor/github.com/goccy/go-json/internal/encoder/opcode.go
+++ /dev/null
@@ -1,752 +0,0 @@
-package encoder
-
-import (
- "bytes"
- "fmt"
- "sort"
- "strings"
- "unsafe"
-
- "github.com/goccy/go-json/internal/runtime"
-)
-
-const uintptrSize = 4 << (^uintptr(0) >> 63)
-
-type OpFlags uint16
-
-const (
- AnonymousHeadFlags OpFlags = 1 << 0
- AnonymousKeyFlags OpFlags = 1 << 1
- IndirectFlags OpFlags = 1 << 2
- IsTaggedKeyFlags OpFlags = 1 << 3
- NilCheckFlags OpFlags = 1 << 4
- AddrForMarshalerFlags OpFlags = 1 << 5
- IsNextOpPtrTypeFlags OpFlags = 1 << 6
- IsNilableTypeFlags OpFlags = 1 << 7
- MarshalerContextFlags OpFlags = 1 << 8
- NonEmptyInterfaceFlags OpFlags = 1 << 9
-)
-
-type Opcode struct {
- Op OpType // operation type
- Idx uint32 // offset to access ptr
- Next *Opcode // next opcode
- End *Opcode // array/slice/struct/map end
- NextField *Opcode // next struct field
- Key string // struct field key
- Offset uint32 // offset size from struct header
- PtrNum uint8 // pointer number: e.g. double pointer is 2.
- NumBitSize uint8
- Flags OpFlags
-
- Type *runtime.Type // go type
- Jmp *CompiledCode // for recursive call
- FieldQuery *FieldQuery // field query for Interface / MarshalJSON / MarshalText
- ElemIdx uint32 // offset to access array/slice elem
- Length uint32 // offset to access slice length or array length
- Indent uint32 // indent number
- Size uint32 // array/slice elem size
- DisplayIdx uint32 // opcode index
- DisplayKey string // key text to display
-}
-
-func (c *Opcode) Validate() error {
- var prevIdx uint32
- for code := c; !code.IsEnd(); {
- if prevIdx != 0 {
- if code.DisplayIdx != prevIdx+1 {
- return fmt.Errorf(
- "invalid index. previous display index is %d but next is %d. dump = %s",
- prevIdx, code.DisplayIdx, c.Dump(),
- )
- }
- }
- prevIdx = code.DisplayIdx
- code = code.IterNext()
- }
- return nil
-}
-
-func (c *Opcode) IterNext() *Opcode {
- if c == nil {
- return nil
- }
- switch c.Op.CodeType() {
- case CodeArrayElem, CodeSliceElem, CodeMapKey:
- return c.End
- default:
- return c.Next
- }
-}
-
-func (c *Opcode) IsEnd() bool {
- if c == nil {
- return true
- }
- return c.Op == OpEnd || c.Op == OpInterfaceEnd || c.Op == OpRecursiveEnd
-}
-
-func (c *Opcode) MaxIdx() uint32 {
- max := uint32(0)
- for _, value := range []uint32{
- c.Idx,
- c.ElemIdx,
- c.Length,
- c.Size,
- } {
- if max < value {
- max = value
- }
- }
- return max
-}
-
-func (c *Opcode) ToHeaderType(isString bool) OpType {
- switch c.Op {
- case OpInt:
- if isString {
- return OpStructHeadIntString
- }
- return OpStructHeadInt
- case OpIntPtr:
- if isString {
- return OpStructHeadIntPtrString
- }
- return OpStructHeadIntPtr
- case OpUint:
- if isString {
- return OpStructHeadUintString
- }
- return OpStructHeadUint
- case OpUintPtr:
- if isString {
- return OpStructHeadUintPtrString
- }
- return OpStructHeadUintPtr
- case OpFloat32:
- if isString {
- return OpStructHeadFloat32String
- }
- return OpStructHeadFloat32
- case OpFloat32Ptr:
- if isString {
- return OpStructHeadFloat32PtrString
- }
- return OpStructHeadFloat32Ptr
- case OpFloat64:
- if isString {
- return OpStructHeadFloat64String
- }
- return OpStructHeadFloat64
- case OpFloat64Ptr:
- if isString {
- return OpStructHeadFloat64PtrString
- }
- return OpStructHeadFloat64Ptr
- case OpString:
- if isString {
- return OpStructHeadStringString
- }
- return OpStructHeadString
- case OpStringPtr:
- if isString {
- return OpStructHeadStringPtrString
- }
- return OpStructHeadStringPtr
- case OpNumber:
- if isString {
- return OpStructHeadNumberString
- }
- return OpStructHeadNumber
- case OpNumberPtr:
- if isString {
- return OpStructHeadNumberPtrString
- }
- return OpStructHeadNumberPtr
- case OpBool:
- if isString {
- return OpStructHeadBoolString
- }
- return OpStructHeadBool
- case OpBoolPtr:
- if isString {
- return OpStructHeadBoolPtrString
- }
- return OpStructHeadBoolPtr
- case OpBytes:
- return OpStructHeadBytes
- case OpBytesPtr:
- return OpStructHeadBytesPtr
- case OpMap:
- return OpStructHeadMap
- case OpMapPtr:
- c.Op = OpMap
- return OpStructHeadMapPtr
- case OpArray:
- return OpStructHeadArray
- case OpArrayPtr:
- c.Op = OpArray
- return OpStructHeadArrayPtr
- case OpSlice:
- return OpStructHeadSlice
- case OpSlicePtr:
- c.Op = OpSlice
- return OpStructHeadSlicePtr
- case OpMarshalJSON:
- return OpStructHeadMarshalJSON
- case OpMarshalJSONPtr:
- return OpStructHeadMarshalJSONPtr
- case OpMarshalText:
- return OpStructHeadMarshalText
- case OpMarshalTextPtr:
- return OpStructHeadMarshalTextPtr
- }
- return OpStructHead
-}
-
-func (c *Opcode) ToFieldType(isString bool) OpType {
- switch c.Op {
- case OpInt:
- if isString {
- return OpStructFieldIntString
- }
- return OpStructFieldInt
- case OpIntPtr:
- if isString {
- return OpStructFieldIntPtrString
- }
- return OpStructFieldIntPtr
- case OpUint:
- if isString {
- return OpStructFieldUintString
- }
- return OpStructFieldUint
- case OpUintPtr:
- if isString {
- return OpStructFieldUintPtrString
- }
- return OpStructFieldUintPtr
- case OpFloat32:
- if isString {
- return OpStructFieldFloat32String
- }
- return OpStructFieldFloat32
- case OpFloat32Ptr:
- if isString {
- return OpStructFieldFloat32PtrString
- }
- return OpStructFieldFloat32Ptr
- case OpFloat64:
- if isString {
- return OpStructFieldFloat64String
- }
- return OpStructFieldFloat64
- case OpFloat64Ptr:
- if isString {
- return OpStructFieldFloat64PtrString
- }
- return OpStructFieldFloat64Ptr
- case OpString:
- if isString {
- return OpStructFieldStringString
- }
- return OpStructFieldString
- case OpStringPtr:
- if isString {
- return OpStructFieldStringPtrString
- }
- return OpStructFieldStringPtr
- case OpNumber:
- if isString {
- return OpStructFieldNumberString
- }
- return OpStructFieldNumber
- case OpNumberPtr:
- if isString {
- return OpStructFieldNumberPtrString
- }
- return OpStructFieldNumberPtr
- case OpBool:
- if isString {
- return OpStructFieldBoolString
- }
- return OpStructFieldBool
- case OpBoolPtr:
- if isString {
- return OpStructFieldBoolPtrString
- }
- return OpStructFieldBoolPtr
- case OpBytes:
- return OpStructFieldBytes
- case OpBytesPtr:
- return OpStructFieldBytesPtr
- case OpMap:
- return OpStructFieldMap
- case OpMapPtr:
- c.Op = OpMap
- return OpStructFieldMapPtr
- case OpArray:
- return OpStructFieldArray
- case OpArrayPtr:
- c.Op = OpArray
- return OpStructFieldArrayPtr
- case OpSlice:
- return OpStructFieldSlice
- case OpSlicePtr:
- c.Op = OpSlice
- return OpStructFieldSlicePtr
- case OpMarshalJSON:
- return OpStructFieldMarshalJSON
- case OpMarshalJSONPtr:
- return OpStructFieldMarshalJSONPtr
- case OpMarshalText:
- return OpStructFieldMarshalText
- case OpMarshalTextPtr:
- return OpStructFieldMarshalTextPtr
- }
- return OpStructField
-}
-
-func newOpCode(ctx *compileContext, typ *runtime.Type, op OpType) *Opcode {
- return newOpCodeWithNext(ctx, typ, op, newEndOp(ctx, typ))
-}
-
-func opcodeOffset(idx int) uint32 {
- return uint32(idx) * uintptrSize
-}
-
-func getCodeAddrByIdx(head *Opcode, idx uint32) *Opcode {
- addr := uintptr(unsafe.Pointer(head)) + uintptr(idx)*unsafe.Sizeof(Opcode{})
- return *(**Opcode)(unsafe.Pointer(&addr))
-}
-
-func copyOpcode(code *Opcode) *Opcode {
- codeNum := ToEndCode(code).DisplayIdx + 1
- codeSlice := make([]Opcode, codeNum)
- head := (*Opcode)((*runtime.SliceHeader)(unsafe.Pointer(&codeSlice)).Data)
- ptr := head
- c := code
- for {
- *ptr = Opcode{
- Op: c.Op,
- Key: c.Key,
- PtrNum: c.PtrNum,
- NumBitSize: c.NumBitSize,
- Flags: c.Flags,
- Idx: c.Idx,
- Offset: c.Offset,
- Type: c.Type,
- FieldQuery: c.FieldQuery,
- DisplayIdx: c.DisplayIdx,
- DisplayKey: c.DisplayKey,
- ElemIdx: c.ElemIdx,
- Length: c.Length,
- Size: c.Size,
- Indent: c.Indent,
- Jmp: c.Jmp,
- }
- if c.End != nil {
- ptr.End = getCodeAddrByIdx(head, c.End.DisplayIdx)
- }
- if c.NextField != nil {
- ptr.NextField = getCodeAddrByIdx(head, c.NextField.DisplayIdx)
- }
- if c.Next != nil {
- ptr.Next = getCodeAddrByIdx(head, c.Next.DisplayIdx)
- }
- if c.IsEnd() {
- break
- }
- ptr = getCodeAddrByIdx(head, c.DisplayIdx+1)
- c = c.IterNext()
- }
- return head
-}
-
-func setTotalLengthToInterfaceOp(code *Opcode) {
- for c := code; !c.IsEnd(); {
- if c.Op == OpInterface || c.Op == OpInterfacePtr {
- c.Length = uint32(code.TotalLength())
- }
- c = c.IterNext()
- }
-}
-
-func ToEndCode(code *Opcode) *Opcode {
- c := code
- for !c.IsEnd() {
- c = c.IterNext()
- }
- return c
-}
-
-func copyToInterfaceOpcode(code *Opcode) *Opcode {
- copied := copyOpcode(code)
- c := copied
- c = ToEndCode(c)
- c.Idx += uintptrSize
- c.ElemIdx = c.Idx + uintptrSize
- c.Length = c.Idx + 2*uintptrSize
- c.Op = OpInterfaceEnd
- return copied
-}
-
-func newOpCodeWithNext(ctx *compileContext, typ *runtime.Type, op OpType, next *Opcode) *Opcode {
- return &Opcode{
- Op: op,
- Idx: opcodeOffset(ctx.ptrIndex),
- Next: next,
- Type: typ,
- DisplayIdx: ctx.opcodeIndex,
- Indent: ctx.indent,
- }
-}
-
-func newEndOp(ctx *compileContext, typ *runtime.Type) *Opcode {
- return newOpCodeWithNext(ctx, typ, OpEnd, nil)
-}
-
-func (c *Opcode) TotalLength() int {
- var idx int
- code := c
- for !code.IsEnd() {
- maxIdx := int(code.MaxIdx() / uintptrSize)
- if idx < maxIdx {
- idx = maxIdx
- }
- if code.Op == OpRecursiveEnd {
- break
- }
- code = code.IterNext()
- }
- maxIdx := int(code.MaxIdx() / uintptrSize)
- if idx < maxIdx {
- idx = maxIdx
- }
- return idx + 1
-}
-
-func (c *Opcode) dumpHead(code *Opcode) string {
- var length uint32
- if code.Op.CodeType() == CodeArrayHead {
- length = code.Length
- } else {
- length = code.Length / uintptrSize
- }
- return fmt.Sprintf(
- `[%03d]%s%s ([idx:%d][elemIdx:%d][length:%d])`,
- code.DisplayIdx,
- strings.Repeat("-", int(code.Indent)),
- code.Op,
- code.Idx/uintptrSize,
- code.ElemIdx/uintptrSize,
- length,
- )
-}
-
-func (c *Opcode) dumpMapHead(code *Opcode) string {
- return fmt.Sprintf(
- `[%03d]%s%s ([idx:%d])`,
- code.DisplayIdx,
- strings.Repeat("-", int(code.Indent)),
- code.Op,
- code.Idx/uintptrSize,
- )
-}
-
-func (c *Opcode) dumpMapEnd(code *Opcode) string {
- return fmt.Sprintf(
- `[%03d]%s%s ([idx:%d])`,
- code.DisplayIdx,
- strings.Repeat("-", int(code.Indent)),
- code.Op,
- code.Idx/uintptrSize,
- )
-}
-
-func (c *Opcode) dumpElem(code *Opcode) string {
- var length uint32
- if code.Op.CodeType() == CodeArrayElem {
- length = code.Length
- } else {
- length = code.Length / uintptrSize
- }
- return fmt.Sprintf(
- `[%03d]%s%s ([idx:%d][elemIdx:%d][length:%d][size:%d])`,
- code.DisplayIdx,
- strings.Repeat("-", int(code.Indent)),
- code.Op,
- code.Idx/uintptrSize,
- code.ElemIdx/uintptrSize,
- length,
- code.Size,
- )
-}
-
-func (c *Opcode) dumpField(code *Opcode) string {
- return fmt.Sprintf(
- `[%03d]%s%s ([idx:%d][key:%s][offset:%d])`,
- code.DisplayIdx,
- strings.Repeat("-", int(code.Indent)),
- code.Op,
- code.Idx/uintptrSize,
- code.DisplayKey,
- code.Offset,
- )
-}
-
-func (c *Opcode) dumpKey(code *Opcode) string {
- return fmt.Sprintf(
- `[%03d]%s%s ([idx:%d])`,
- code.DisplayIdx,
- strings.Repeat("-", int(code.Indent)),
- code.Op,
- code.Idx/uintptrSize,
- )
-}
-
-func (c *Opcode) dumpValue(code *Opcode) string {
- return fmt.Sprintf(
- `[%03d]%s%s ([idx:%d])`,
- code.DisplayIdx,
- strings.Repeat("-", int(code.Indent)),
- code.Op,
- code.Idx/uintptrSize,
- )
-}
-
-func (c *Opcode) Dump() string {
- codes := []string{}
- for code := c; !code.IsEnd(); {
- switch code.Op.CodeType() {
- case CodeSliceHead:
- codes = append(codes, c.dumpHead(code))
- code = code.Next
- case CodeMapHead:
- codes = append(codes, c.dumpMapHead(code))
- code = code.Next
- case CodeArrayElem, CodeSliceElem:
- codes = append(codes, c.dumpElem(code))
- code = code.End
- case CodeMapKey:
- codes = append(codes, c.dumpKey(code))
- code = code.End
- case CodeMapValue:
- codes = append(codes, c.dumpValue(code))
- code = code.Next
- case CodeMapEnd:
- codes = append(codes, c.dumpMapEnd(code))
- code = code.Next
- case CodeStructField:
- codes = append(codes, c.dumpField(code))
- code = code.Next
- case CodeStructEnd:
- codes = append(codes, c.dumpField(code))
- code = code.Next
- default:
- codes = append(codes, fmt.Sprintf(
- "[%03d]%s%s ([idx:%d])",
- code.DisplayIdx,
- strings.Repeat("-", int(code.Indent)),
- code.Op,
- code.Idx/uintptrSize,
- ))
- code = code.Next
- }
- }
- return strings.Join(codes, "\n")
-}
-
-func (c *Opcode) DumpDOT() string {
- type edge struct {
- from, to *Opcode
- label string
- weight int
- }
- var edges []edge
-
- b := &bytes.Buffer{}
- fmt.Fprintf(b, "digraph \"%p\" {\n", c.Type)
- fmt.Fprintln(b, "mclimit=1.5;\nrankdir=TD;\nordering=out;\nnode[shape=box];")
- for code := c; !code.IsEnd(); {
- label := code.Op.String()
- fmt.Fprintf(b, "\"%p\" [label=%q];\n", code, label)
- if p := code.Next; p != nil {
- edges = append(edges, edge{
- from: code,
- to: p,
- label: "Next",
- weight: 10,
- })
- }
- if p := code.NextField; p != nil {
- edges = append(edges, edge{
- from: code,
- to: p,
- label: "NextField",
- weight: 2,
- })
- }
- if p := code.End; p != nil {
- edges = append(edges, edge{
- from: code,
- to: p,
- label: "End",
- weight: 1,
- })
- }
- if p := code.Jmp; p != nil {
- edges = append(edges, edge{
- from: code,
- to: p.Code,
- label: "Jmp",
- weight: 1,
- })
- }
-
- switch code.Op.CodeType() {
- case CodeSliceHead:
- code = code.Next
- case CodeMapHead:
- code = code.Next
- case CodeArrayElem, CodeSliceElem:
- code = code.End
- case CodeMapKey:
- code = code.End
- case CodeMapValue:
- code = code.Next
- case CodeMapEnd:
- code = code.Next
- case CodeStructField:
- code = code.Next
- case CodeStructEnd:
- code = code.Next
- default:
- code = code.Next
- }
- if code.IsEnd() {
- fmt.Fprintf(b, "\"%p\" [label=%q];\n", code, code.Op.String())
- }
- }
- sort.Slice(edges, func(i, j int) bool {
- return edges[i].to.DisplayIdx < edges[j].to.DisplayIdx
- })
- for _, e := range edges {
- fmt.Fprintf(b, "\"%p\" -> \"%p\" [label=%q][weight=%d];\n", e.from, e.to, e.label, e.weight)
- }
- fmt.Fprint(b, "}")
- return b.String()
-}
-
-func newSliceHeaderCode(ctx *compileContext, typ *runtime.Type) *Opcode {
- idx := opcodeOffset(ctx.ptrIndex)
- ctx.incPtrIndex()
- elemIdx := opcodeOffset(ctx.ptrIndex)
- ctx.incPtrIndex()
- length := opcodeOffset(ctx.ptrIndex)
- return &Opcode{
- Op: OpSlice,
- Type: typ,
- Idx: idx,
- DisplayIdx: ctx.opcodeIndex,
- ElemIdx: elemIdx,
- Length: length,
- Indent: ctx.indent,
- }
-}
-
-func newSliceElemCode(ctx *compileContext, typ *runtime.Type, head *Opcode, size uintptr) *Opcode {
- return &Opcode{
- Op: OpSliceElem,
- Type: typ,
- Idx: head.Idx,
- DisplayIdx: ctx.opcodeIndex,
- ElemIdx: head.ElemIdx,
- Length: head.Length,
- Indent: ctx.indent,
- Size: uint32(size),
- }
-}
-
-func newArrayHeaderCode(ctx *compileContext, typ *runtime.Type, alen int) *Opcode {
- idx := opcodeOffset(ctx.ptrIndex)
- ctx.incPtrIndex()
- elemIdx := opcodeOffset(ctx.ptrIndex)
- return &Opcode{
- Op: OpArray,
- Type: typ,
- Idx: idx,
- DisplayIdx: ctx.opcodeIndex,
- ElemIdx: elemIdx,
- Indent: ctx.indent,
- Length: uint32(alen),
- }
-}
-
-func newArrayElemCode(ctx *compileContext, typ *runtime.Type, head *Opcode, length int, size uintptr) *Opcode {
- return &Opcode{
- Op: OpArrayElem,
- Type: typ,
- Idx: head.Idx,
- DisplayIdx: ctx.opcodeIndex,
- ElemIdx: head.ElemIdx,
- Length: uint32(length),
- Indent: ctx.indent,
- Size: uint32(size),
- }
-}
-
-func newMapHeaderCode(ctx *compileContext, typ *runtime.Type) *Opcode {
- idx := opcodeOffset(ctx.ptrIndex)
- ctx.incPtrIndex()
- return &Opcode{
- Op: OpMap,
- Type: typ,
- Idx: idx,
- DisplayIdx: ctx.opcodeIndex,
- Indent: ctx.indent,
- }
-}
-
-func newMapKeyCode(ctx *compileContext, typ *runtime.Type, head *Opcode) *Opcode {
- return &Opcode{
- Op: OpMapKey,
- Type: typ,
- Idx: head.Idx,
- DisplayIdx: ctx.opcodeIndex,
- Indent: ctx.indent,
- }
-}
-
-func newMapValueCode(ctx *compileContext, typ *runtime.Type, head *Opcode) *Opcode {
- return &Opcode{
- Op: OpMapValue,
- Type: typ,
- Idx: head.Idx,
- DisplayIdx: ctx.opcodeIndex,
- Indent: ctx.indent,
- }
-}
-
-func newMapEndCode(ctx *compileContext, typ *runtime.Type, head *Opcode) *Opcode {
- return &Opcode{
- Op: OpMapEnd,
- Type: typ,
- Idx: head.Idx,
- DisplayIdx: ctx.opcodeIndex,
- Indent: ctx.indent,
- Next: newEndOp(ctx, typ),
- }
-}
-
-func newRecursiveCode(ctx *compileContext, typ *runtime.Type, jmp *CompiledCode) *Opcode {
- return &Opcode{
- Op: OpRecursive,
- Type: typ,
- Idx: opcodeOffset(ctx.ptrIndex),
- Next: newEndOp(ctx, typ),
- DisplayIdx: ctx.opcodeIndex,
- Indent: ctx.indent,
- Jmp: jmp,
- }
-}
generated by cgit v1.2.3 (git 2.46.0) at 2025-07-25 21:31:22 +0000