migrate go version to 1.17 (#203)

* migrate go version to 1.17

* update contributing
This commit is contained in:
tobi
2021-09-10 14:42:14 +02:00
committed by GitHub
parent e681aac589
commit f2e5bedea6
282 changed files with 11863 additions and 12600 deletions

View File

@ -2,7 +2,6 @@ package encoder
import (
"fmt"
"math"
"strings"
"unsafe"
@ -11,61 +10,61 @@ import (
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
Type *runtime.Type // go type
DisplayIdx int // opcode index
Key []byte // struct field key
EscapedKey []byte // struct field key ( HTML escaped )
PtrNum int // pointer number: e.g. double pointer is 2.
DisplayKey string // key text to display
IsTaggedKey bool // whether tagged key
AnonymousKey bool // whether anonymous key
AnonymousHead bool // whether anonymous head or not
Indirect bool // whether indirect or not
Nilcheck bool // whether needs to nilcheck or not
AddrForMarshaler bool // whether needs to addr for marshaler or not
IsNextOpPtrType bool // whether next operation is ptr type or not
IsNilableType bool // whether type is nilable or not
RshiftNum uint8 // use to take bit for judging whether negative integer or not
Mask uint64 // mask for number
Indent int // indent number
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
Idx uintptr // offset to access ptr
HeadIdx uintptr // offset to access slice/struct head
ElemIdx uintptr // offset to access array/slice/map elem
Length uintptr // offset to access slice/map length or array length
MapIter uintptr // offset to access map iterator
MapPos uintptr // offset to access position list for sorted map
Offset uintptr // offset size from struct header
Size uintptr // array/slice elem size
MapKey *Opcode // map key
MapValue *Opcode // map value
Elem *Opcode // array/slice elem
End *Opcode // array/slice/struct/map end
PrevField *Opcode // prev struct field
NextField *Opcode // next struct field
Next *Opcode // next opcode
Jmp *CompiledCode // for recursive call
Type *runtime.Type // go type
PrevField *Opcode // prev struct field
Jmp *CompiledCode // for recursive call
ElemIdx uint32 // offset to access array/slice/map elem
Length uint32 // offset to access slice/map length or array length
MapIter uint32 // offset to access map iterator
MapPos uint32 // offset to access position list for sorted map
Indent uint32 // indent number
Size uint32 // array/slice elem size
DisplayIdx uint32 // opcode index
DisplayKey string // key text to display
}
func rshitNum(bitSize uint8) uint8 {
return bitSize - 1
}
func (c *Opcode) setMaskAndRshiftNum(bitSize uint8) {
switch bitSize {
case 8:
c.Mask = math.MaxUint8
case 16:
c.Mask = math.MaxUint16
case 32:
c.Mask = math.MaxUint32
case 64:
c.Mask = math.MaxUint64
func (c *Opcode) MaxIdx() uint32 {
max := uint32(0)
for _, value := range []uint32{
c.Idx,
c.ElemIdx,
c.Length,
c.MapIter,
c.MapPos,
c.Size,
} {
if max < value {
max = value
}
}
c.RshiftNum = rshitNum(bitSize)
return max
}
func (c *Opcode) ToHeaderType(isString bool) OpType {
@ -278,8 +277,8 @@ func newOpCode(ctx *compileContext, op OpType) *Opcode {
return newOpCodeWithNext(ctx, op, newEndOp(ctx))
}
func opcodeOffset(idx int) uintptr {
return uintptr(idx) * uintptrSize
func opcodeOffset(idx int) uint32 {
return uint32(idx) * uintptrSize
}
func copyOpcode(code *Opcode) *Opcode {
@ -287,14 +286,53 @@ func copyOpcode(code *Opcode) *Opcode {
return code.copy(codeMap)
}
func setTotalLengthToInterfaceOp(code *Opcode) {
c := code
for c.Op != OpEnd && c.Op != OpInterfaceEnd {
if c.Op == OpInterface {
c.Length = uint32(code.TotalLength())
}
switch c.Op.CodeType() {
case CodeArrayElem, CodeSliceElem, CodeMapKey:
c = c.End
default:
c = c.Next
}
}
}
func ToEndCode(code *Opcode) *Opcode {
c := code
for c.Op != OpEnd && c.Op != OpInterfaceEnd {
switch c.Op.CodeType() {
case CodeArrayElem, CodeSliceElem, CodeMapKey:
c = c.End
default:
c = c.Next
}
}
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, op OpType, next *Opcode) *Opcode {
return &Opcode{
Op: op,
Idx: opcodeOffset(ctx.ptrIndex),
Next: next,
Type: ctx.typ,
DisplayIdx: ctx.opcodeIndex,
Indent: ctx.indent,
Idx: opcodeOffset(ctx.ptrIndex),
Next: next,
}
}
@ -311,37 +349,24 @@ func (c *Opcode) copy(codeMap map[uintptr]*Opcode) *Opcode {
return code
}
copied := &Opcode{
Op: c.Op,
Type: c.Type,
DisplayIdx: c.DisplayIdx,
Key: c.Key,
EscapedKey: c.EscapedKey,
DisplayKey: c.DisplayKey,
PtrNum: c.PtrNum,
Mask: c.Mask,
RshiftNum: c.RshiftNum,
IsTaggedKey: c.IsTaggedKey,
AnonymousKey: c.AnonymousKey,
AnonymousHead: c.AnonymousHead,
Indirect: c.Indirect,
Nilcheck: c.Nilcheck,
AddrForMarshaler: c.AddrForMarshaler,
IsNextOpPtrType: c.IsNextOpPtrType,
IsNilableType: c.IsNilableType,
Indent: c.Indent,
Idx: c.Idx,
HeadIdx: c.HeadIdx,
ElemIdx: c.ElemIdx,
Length: c.Length,
MapIter: c.MapIter,
MapPos: c.MapPos,
Offset: c.Offset,
Size: c.Size,
Op: c.Op,
Key: c.Key,
PtrNum: c.PtrNum,
NumBitSize: c.NumBitSize,
Flags: c.Flags,
Idx: c.Idx,
Offset: c.Offset,
Type: c.Type,
DisplayIdx: c.DisplayIdx,
DisplayKey: c.DisplayKey,
ElemIdx: c.ElemIdx,
Length: c.Length,
MapIter: c.MapIter,
MapPos: c.MapPos,
Size: c.Size,
Indent: c.Indent,
}
codeMap[addr] = copied
copied.MapKey = c.MapKey.copy(codeMap)
copied.MapValue = c.MapValue.copy(codeMap)
copied.Elem = c.Elem.copy(codeMap)
copied.End = c.End.copy(codeMap)
copied.PrevField = c.PrevField.copy(codeMap)
copied.NextField = c.NextField.copy(codeMap)
@ -369,8 +394,12 @@ func (c *Opcode) BeforeLastCode() *Opcode {
func (c *Opcode) TotalLength() int {
var idx int
for code := c; code.Op != OpEnd; {
idx = int(code.Idx / uintptrSize)
code := c
for code.Op != OpEnd && code.Op != OpInterfaceEnd {
maxIdx := int(code.MaxIdx() / uintptrSize)
if idx < maxIdx {
idx = maxIdx
}
if code.Op == OpRecursiveEnd {
break
}
@ -381,15 +410,18 @@ func (c *Opcode) TotalLength() int {
code = code.Next
}
}
return idx + 2 // opEnd + 1
maxIdx := int(code.MaxIdx() / uintptrSize)
if idx < maxIdx {
idx = maxIdx
}
return idx + 1
}
func (c *Opcode) decOpcodeIndex() {
for code := c; code.Op != OpEnd; {
code.DisplayIdx--
code.Idx -= uintptrSize
if code.HeadIdx > 0 {
code.HeadIdx -= uintptrSize
if code.Idx > 0 {
code.Idx -= uintptrSize
}
if code.ElemIdx > 0 {
code.ElemIdx -= uintptrSize
@ -422,19 +454,18 @@ func (c *Opcode) decIndent() {
}
func (c *Opcode) dumpHead(code *Opcode) string {
var length uintptr
var length uint32
if code.Op.CodeType() == CodeArrayHead {
length = code.Length
} else {
length = code.Length / uintptrSize
}
return fmt.Sprintf(
`[%d]%s%s ([idx:%d][headIdx:%d][elemIdx:%d][length:%d])`,
`[%d]%s%s ([idx:%d][elemIdx:%d][length:%d])`,
code.DisplayIdx,
strings.Repeat("-", code.Indent),
strings.Repeat("-", int(code.Indent)),
code.Op,
code.Idx/uintptrSize,
code.HeadIdx/uintptrSize,
code.ElemIdx/uintptrSize,
length,
)
@ -442,12 +473,11 @@ func (c *Opcode) dumpHead(code *Opcode) string {
func (c *Opcode) dumpMapHead(code *Opcode) string {
return fmt.Sprintf(
`[%d]%s%s ([idx:%d][headIdx:%d][elemIdx:%d][length:%d][mapIter:%d])`,
`[%d]%s%s ([idx:%d][elemIdx:%d][length:%d][mapIter:%d])`,
code.DisplayIdx,
strings.Repeat("-", code.Indent),
strings.Repeat("-", int(code.Indent)),
code.Op,
code.Idx/uintptrSize,
code.HeadIdx/uintptrSize,
code.ElemIdx/uintptrSize,
code.Length/uintptrSize,
code.MapIter/uintptrSize,
@ -458,7 +488,7 @@ func (c *Opcode) dumpMapEnd(code *Opcode) string {
return fmt.Sprintf(
`[%d]%s%s ([idx:%d][mapPos:%d][length:%d])`,
code.DisplayIdx,
strings.Repeat("-", code.Indent),
strings.Repeat("-", int(code.Indent)),
code.Op,
code.Idx/uintptrSize,
code.MapPos/uintptrSize,
@ -467,19 +497,18 @@ func (c *Opcode) dumpMapEnd(code *Opcode) string {
}
func (c *Opcode) dumpElem(code *Opcode) string {
var length uintptr
var length uint32
if code.Op.CodeType() == CodeArrayElem {
length = code.Length
} else {
length = code.Length / uintptrSize
}
return fmt.Sprintf(
`[%d]%s%s ([idx:%d][headIdx:%d][elemIdx:%d][length:%d][size:%d])`,
`[%d]%s%s ([idx:%d][elemIdx:%d][length:%d][size:%d])`,
code.DisplayIdx,
strings.Repeat("-", code.Indent),
strings.Repeat("-", int(code.Indent)),
code.Op,
code.Idx/uintptrSize,
code.HeadIdx/uintptrSize,
code.ElemIdx/uintptrSize,
length,
code.Size,
@ -488,14 +517,13 @@ func (c *Opcode) dumpElem(code *Opcode) string {
func (c *Opcode) dumpField(code *Opcode) string {
return fmt.Sprintf(
`[%d]%s%s ([idx:%d][key:%s][offset:%d][headIdx:%d])`,
`[%d]%s%s ([idx:%d][key:%s][offset:%d])`,
code.DisplayIdx,
strings.Repeat("-", code.Indent),
strings.Repeat("-", int(code.Indent)),
code.Op,
code.Idx/uintptrSize,
code.DisplayKey,
code.Offset,
code.HeadIdx/uintptrSize,
)
}
@ -503,7 +531,7 @@ func (c *Opcode) dumpKey(code *Opcode) string {
return fmt.Sprintf(
`[%d]%s%s ([idx:%d][elemIdx:%d][length:%d][mapIter:%d])`,
code.DisplayIdx,
strings.Repeat("-", code.Indent),
strings.Repeat("-", int(code.Indent)),
code.Op,
code.Idx/uintptrSize,
code.ElemIdx/uintptrSize,
@ -516,7 +544,7 @@ func (c *Opcode) dumpValue(code *Opcode) string {
return fmt.Sprintf(
`[%d]%s%s ([idx:%d][mapIter:%d])`,
code.DisplayIdx,
strings.Repeat("-", code.Indent),
strings.Repeat("-", int(code.Indent)),
code.Op,
code.Idx/uintptrSize,
code.MapIter/uintptrSize,
@ -525,7 +553,7 @@ func (c *Opcode) dumpValue(code *Opcode) string {
func (c *Opcode) Dump() string {
codes := []string{}
for code := c; code.Op != OpEnd; {
for code := c; code.Op != OpEnd && code.Op != OpInterfaceEnd; {
switch code.Op.CodeType() {
case CodeSliceHead:
codes = append(codes, c.dumpHead(code))
@ -555,7 +583,7 @@ func (c *Opcode) Dump() string {
codes = append(codes, fmt.Sprintf(
"[%d]%s%s ([idx:%d])",
code.DisplayIdx,
strings.Repeat("-", code.Indent),
strings.Repeat("-", int(code.Indent)),
code.Op,
code.Idx/uintptrSize,
))
@ -610,9 +638,8 @@ func newSliceHeaderCode(ctx *compileContext) *Opcode {
length := opcodeOffset(ctx.ptrIndex)
return &Opcode{
Op: OpSlice,
DisplayIdx: ctx.opcodeIndex,
Idx: idx,
HeadIdx: idx,
DisplayIdx: ctx.opcodeIndex,
ElemIdx: elemIdx,
Length: length,
Indent: ctx.indent,
@ -622,13 +649,12 @@ func newSliceHeaderCode(ctx *compileContext) *Opcode {
func newSliceElemCode(ctx *compileContext, head *Opcode, size uintptr) *Opcode {
return &Opcode{
Op: OpSliceElem,
Idx: head.Idx,
DisplayIdx: ctx.opcodeIndex,
Idx: opcodeOffset(ctx.ptrIndex),
HeadIdx: head.Idx,
ElemIdx: head.ElemIdx,
Length: head.Length,
Indent: ctx.indent,
Size: size,
Size: uint32(size),
}
}
@ -638,25 +664,23 @@ func newArrayHeaderCode(ctx *compileContext, alen int) *Opcode {
elemIdx := opcodeOffset(ctx.ptrIndex)
return &Opcode{
Op: OpArray,
DisplayIdx: ctx.opcodeIndex,
Idx: idx,
HeadIdx: idx,
DisplayIdx: ctx.opcodeIndex,
ElemIdx: elemIdx,
Indent: ctx.indent,
Length: uintptr(alen),
Length: uint32(alen),
}
}
func newArrayElemCode(ctx *compileContext, head *Opcode, length int, size uintptr) *Opcode {
return &Opcode{
Op: OpArrayElem,
Idx: head.Idx,
DisplayIdx: ctx.opcodeIndex,
Idx: opcodeOffset(ctx.ptrIndex),
ElemIdx: head.ElemIdx,
HeadIdx: head.HeadIdx,
Length: uintptr(length),
Length: uint32(length),
Indent: ctx.indent,
Size: size,
Size: uint32(size),
}
}
@ -670,9 +694,9 @@ func newMapHeaderCode(ctx *compileContext) *Opcode {
mapIter := opcodeOffset(ctx.ptrIndex)
return &Opcode{
Op: OpMap,
Idx: idx,
Type: ctx.typ,
DisplayIdx: ctx.opcodeIndex,
Idx: idx,
ElemIdx: elemIdx,
Length: length,
MapIter: mapIter,
@ -683,8 +707,8 @@ func newMapHeaderCode(ctx *compileContext) *Opcode {
func newMapKeyCode(ctx *compileContext, head *Opcode) *Opcode {
return &Opcode{
Op: OpMapKey,
DisplayIdx: ctx.opcodeIndex,
Idx: opcodeOffset(ctx.ptrIndex),
DisplayIdx: ctx.opcodeIndex,
ElemIdx: head.ElemIdx,
Length: head.Length,
MapIter: head.MapIter,
@ -695,8 +719,8 @@ func newMapKeyCode(ctx *compileContext, head *Opcode) *Opcode {
func newMapValueCode(ctx *compileContext, head *Opcode) *Opcode {
return &Opcode{
Op: OpMapValue,
DisplayIdx: ctx.opcodeIndex,
Idx: opcodeOffset(ctx.ptrIndex),
DisplayIdx: ctx.opcodeIndex,
ElemIdx: head.ElemIdx,
Length: head.Length,
MapIter: head.MapIter,
@ -710,34 +734,39 @@ func newMapEndCode(ctx *compileContext, head *Opcode) *Opcode {
idx := opcodeOffset(ctx.ptrIndex)
return &Opcode{
Op: OpMapEnd,
DisplayIdx: ctx.opcodeIndex,
Idx: idx,
Next: newEndOp(ctx),
DisplayIdx: ctx.opcodeIndex,
Length: head.Length,
MapPos: mapPos,
Indent: ctx.indent,
Next: newEndOp(ctx),
}
}
func newInterfaceCode(ctx *compileContext) *Opcode {
var flag OpFlags
if ctx.typ.NumMethod() > 0 {
flag |= NonEmptyInterfaceFlags
}
return &Opcode{
Op: OpInterface,
Idx: opcodeOffset(ctx.ptrIndex),
Next: newEndOp(ctx),
Type: ctx.typ,
DisplayIdx: ctx.opcodeIndex,
Idx: opcodeOffset(ctx.ptrIndex),
Indent: ctx.indent,
Next: newEndOp(ctx),
Flags: flag,
}
}
func newRecursiveCode(ctx *compileContext, jmp *CompiledCode) *Opcode {
return &Opcode{
Op: OpRecursive,
Idx: opcodeOffset(ctx.ptrIndex),
Next: newEndOp(ctx),
Type: ctx.typ,
DisplayIdx: ctx.opcodeIndex,
Idx: opcodeOffset(ctx.ptrIndex),
Indent: ctx.indent,
Next: newEndOp(ctx),
Jmp: jmp,
}
}