[chore]: Bump github.com/gin-contrib/cors from 1.5.0 to 1.7.0 (#2745)

This commit is contained in:
dependabot[bot] 2024-03-11 10:12:06 +00:00 committed by GitHub
commit e24efcac8b
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GPG key ID: B5690EEEBB952194
158 changed files with 11727 additions and 4290 deletions

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@ -1,4 +1,4 @@
// +build go1.21,!go1.22
// +build go1.21,!go1.23
// Copyright 2023 CloudWeGo Authors
//

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@ -1,5 +1,4 @@
//go:build go1.17 && !go1.22
// +build go1.17,!go1.22
// +build go1.17,!go1.23
/*
* Copyright 2021 ByteDance Inc.
@ -420,9 +419,9 @@ func (self *_Assembler) call_go(fn obj.Addr) {
}
func (self *_Assembler) callc(fn obj.Addr) {
self.Emit("XCHGQ", _IP, _BP)
self.save(_IP)
self.call(fn)
self.Emit("XCHGQ", _IP, _BP)
self.load(_IP)
}
func (self *_Assembler) call_c(fn obj.Addr) {
@ -1164,7 +1163,7 @@ var (
var (
_F_FieldMap_GetCaseInsensitive obj.Addr
_Empty_Slice = make([]byte, 0)
_Empty_Slice = []byte{}
_Zero_Base = int64(uintptr(((*rt.GoSlice)(unsafe.Pointer(&_Empty_Slice))).Ptr))
)
@ -1641,7 +1640,8 @@ func (self *_Assembler) _asm_OP_check_empty(p *_Instr) {
self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 0), jit.Imm(int64(rbracket))) // CMPB (IP)(IC), ']'
self.Sjmp("JNE" , "_not_empty_array_{n}") // JNE _not_empty_array_{n}
self.Emit("MOVQ", _AX, _IC) // MOVQ AX, IC
self.StorePtr(_Zero_Base, jit.Ptr(_VP, 0), _AX) // MOVQ $zerobase, (VP)
self.Emit("MOVQ", jit.Imm(_Zero_Base), _AX)
self.WritePtrAX(9, jit.Ptr(_VP, 0), false)
self.Emit("PXOR", _X0, _X0) // PXOR X0, X0
self.Emit("MOVOU", _X0, jit.Ptr(_VP, 8)) // MOVOU X0, 8(VP)
self.Xjmp("JMP" , p.vi()) // JMP {p.vi()}

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@ -1651,7 +1651,8 @@ func (self *_Assembler) _asm_OP_check_empty(p *_Instr) {
self.Emit("CMPB", jit.Sib(_IP, _IC, 1, 0), jit.Imm(int64(rbracket))) // CMPB (IP)(IC), ']'
self.Sjmp("JNE" , "_not_empty_array_{n}") // JNE _not_empty_array_{n}
self.Emit("MOVQ", _AX, _IC) // MOVQ AX, IC
self.StorePtr(_Zero_Base, jit.Ptr(_VP, 0), _AX) // MOVQ $zerobase, (VP)
self.Emit("MOVQ", jit.Imm(_Zero_Base), _AX)
self.WritePtrAX(9, jit.Ptr(_VP, 0), false)
self.Emit("PXOR" , _X0, _X0) // PXOR X0, X0
self.Emit("MOVOU", _X0, jit.Ptr(_VP, 8)) // MOVOU X0, 8(VP)
self.Xjmp("JMP" , p.vi()) // JMP {p.vi()}

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@ -527,6 +527,38 @@ func (self *_Compiler) compile(vt reflect.Type) (ret _Program, err error) {
return
}
func (self *_Compiler) checkMarshaler(p *_Program, vt reflect.Type) bool {
pt := reflect.PtrTo(vt)
/* check for `json.Unmarshaler` with pointer receiver */
if pt.Implements(jsonUnmarshalerType) {
p.rtt(_OP_unmarshal_p, pt)
return true
}
/* check for `json.Unmarshaler` */
if vt.Implements(jsonUnmarshalerType) {
p.add(_OP_lspace)
self.compileUnmarshalJson(p, vt)
return true
}
/* check for `encoding.TextMarshaler` with pointer receiver */
if pt.Implements(encodingTextUnmarshalerType) {
p.add(_OP_lspace)
self.compileUnmarshalTextPtr(p, pt)
return true
}
/* check for `encoding.TextUnmarshaler` */
if vt.Implements(encodingTextUnmarshalerType) {
p.add(_OP_lspace)
self.compileUnmarshalText(p, vt)
return true
}
return false
}
func (self *_Compiler) compileOne(p *_Program, sp int, vt reflect.Type) {
/* check for recursive nesting */
ok := self.tab[vt]
@ -535,32 +567,7 @@ func (self *_Compiler) compileOne(p *_Program, sp int, vt reflect.Type) {
return
}
pt := reflect.PtrTo(vt)
/* check for `json.Unmarshaler` with pointer receiver */
if pt.Implements(jsonUnmarshalerType) {
p.rtt(_OP_unmarshal_p, pt)
return
}
/* check for `json.Unmarshaler` */
if vt.Implements(jsonUnmarshalerType) {
p.add(_OP_lspace)
self.compileUnmarshalJson(p, vt)
return
}
/* check for `encoding.TextMarshaler` with pointer receiver */
if pt.Implements(encodingTextUnmarshalerType) {
p.add(_OP_lspace)
self.compileUnmarshalTextPtr(p, pt)
return
}
/* check for `encoding.TextUnmarshaler` */
if vt.Implements(encodingTextUnmarshalerType) {
p.add(_OP_lspace)
self.compileUnmarshalText(p, vt)
if self.checkMarshaler(p, vt) {
return
}
@ -683,17 +690,9 @@ func (self *_Compiler) compilePtr(p *_Program, sp int, et reflect.Type) {
/* dereference all the way down */
for et.Kind() == reflect.Ptr {
if et.Implements(jsonUnmarshalerType) {
p.rtt(_OP_unmarshal_p, et)
if self.checkMarshaler(p, et) {
return
}
if et.Implements(encodingTextUnmarshalerType) {
p.add(_OP_lspace)
self.compileUnmarshalTextPtr(p, et)
return
}
et = et.Elem()
p.rtt(_OP_deref, et)
}
@ -706,7 +705,7 @@ func (self *_Compiler) compilePtr(p *_Program, sp int, et reflect.Type) {
/* enter the recursion */
p.add(_OP_lspace)
self.tab[et] = true
/* not inline the pointer type
* recursing the defined pointer type's elem will casue issue379.
*/
@ -716,8 +715,12 @@ func (self *_Compiler) compilePtr(p *_Program, sp int, et reflect.Type) {
j := p.pc()
p.add(_OP_goto)
// set val pointer as nil
p.pin(i)
p.add(_OP_nil_1)
// nothing todo
p.pin(j)
}

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@ -1,4 +1,4 @@
// +build go1.17,!go1.22
// +build go1.17,!go1.23
/*
* Copyright 2021 ByteDance Inc.
@ -119,9 +119,9 @@ func (self *_ValueDecoder) call_go(fn obj.Addr) {
}
func (self *_ValueDecoder) callc(fn obj.Addr) {
self.Emit("XCHGQ", _IP, _BP)
self.save(_IP)
self.call(fn)
self.Emit("XCHGQ", _IP, _BP)
self.load(_IP)
}
func (self *_ValueDecoder) call_c(fn obj.Addr) {

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@ -1,4 +1,4 @@
// +build go1.17,!go1.22
// +build go1.17,!go1.23
//
// Copyright 2021 ByteDance Inc.

View file

@ -23,11 +23,12 @@ import (
`github.com/bytedance/sonic/internal/native`
`github.com/bytedance/sonic/internal/native/types`
`github.com/bytedance/sonic/internal/rt`
`github.com/bytedance/sonic/option`
)
var (
minLeftBufferShift uint = 1
minLeftBufferShift uint = 1
)
// StreamDecoder is the decoder context object for streaming input.
@ -58,95 +59,71 @@ func NewStreamDecoder(r io.Reader) *StreamDecoder {
// Either io error from underlying io.Reader (except io.EOF)
// or syntax error from data will be recorded and stop subsequently decoding.
func (self *StreamDecoder) Decode(val interface{}) (err error) {
if self.err != nil {
return self.err
}
var buf = self.buf[self.scanp:]
var p = 0
var recycle bool
if cap(buf) == 0 {
buf = bufPool.Get().([]byte)
recycle = true
}
var first = true
var repeat = true
read_more:
for {
l := len(buf)
realloc(&buf)
n, err := self.r.Read(buf[l:cap(buf)])
buf = buf[:l+n]
if err != nil {
repeat = false
if err == io.EOF {
if len(buf) == 0 {
return err
}
break
}
self.err = err
return err
}
if n > 0 || first {
break
}
}
first = false
l := len(buf)
if l > 0 {
self.Decoder.Reset(string(buf))
var x int
if ret := native.SkipOneFast(&self.s, &x); ret < 0 {
if repeat {
goto read_more
// read more data into buf
if self.More() {
// println(string(self.buf))
var s = self.scanp
try_skip:
var e = len(self.buf)
// println("s:", s, "e:", e, "scanned:",self.scanned, "scanp:",self.scanp, self.buf)
var src = rt.Mem2Str(self.buf[s:e])
// if len(src) > 5 {
// println(src[:5], src[len(src)-5:])
// } else {
// println(src)
// }
// try skip
var x = 0;
if y := native.SkipOneFast(&src, &x); y < 0 {
if self.readMore() {
// println("more")
goto try_skip
} else {
err = SyntaxError{x, self.s, types.ParsingError(-ret), ""}
self.err = err
// println("no more")
err = SyntaxError{e, self.s, types.ParsingError(-s), ""}
self.setErr(err)
return
}
} else {
s = y + s
e = x + s
}
// println("decode: ", s, e)
// must copy string here for safety
self.Decoder.Reset(string(self.buf[s:e]))
err = self.Decoder.Decode(val)
if err != nil {
self.err = err
self.setErr(err)
return
}
p = self.Decoder.Pos()
self.scanned += int64(p)
self.scanp = e
_, empty := self.scan()
if empty {
// println("recycle")
// no remain valid bytes, thus we just recycle buffer
mem := self.buf
self.buf = nil
bufPool.Put(mem[:0])
} else {
// println("keep")
// remain undecoded bytes, move them onto head
n := copy(self.buf, self.buf[self.scanp:])
self.buf = self.buf[:n]
}
self.scanned += int64(self.scanp)
self.scanp = 0
}
if l > p {
// remain undecoded bytes, so copy them into self.buf
self.buf = append(self.buf[:0], buf[p:]...)
} else {
self.buf = nil
recycle = true
}
}
if recycle {
buf = buf[:0]
bufPool.Put(buf)
}
return err
}
func (self StreamDecoder) repeatable(err error) bool {
if ee, ok := err.(SyntaxError); ok &&
(ee.Code == types.ERR_EOF || (ee.Code == types.ERR_INVALID_CHAR && self.i >= len(self.s)-1)) {
return true
}
return false
return self.err
}
// InputOffset returns the input stream byte offset of the current decoder position.
// The offset gives the location of the end of the most recently returned token and the beginning of the next token.
func (self *StreamDecoder) InputOffset() int64 {
// println("input offset",self.scanned, self.scanp)
return self.scanned + int64(self.scanp)
}
@ -166,28 +143,72 @@ func (self *StreamDecoder) More() bool {
return err == nil && c != ']' && c != '}'
}
// More reports whether there is another element in the
// current array or object being parsed.
func (self *StreamDecoder) readMore() bool {
if self.err != nil {
return false
}
var err error
var n int
for {
// Grow buffer if not large enough.
l := len(self.buf)
realloc(&self.buf)
n, err = self.r.Read(self.buf[l:cap(self.buf)])
self.buf = self.buf[: l+n]
self.scanp = l
_, empty := self.scan()
if !empty {
return true
}
// buffer has been scanned, now report any error
if err != nil {
self.setErr(err)
return false
}
}
}
func (self *StreamDecoder) setErr(err error) {
self.err = err
mem := self.buf[:0]
self.buf = nil
bufPool.Put(mem)
}
func (self *StreamDecoder) peek() (byte, error) {
var err error
for {
for i := self.scanp; i < len(self.buf); i++ {
c := self.buf[i]
if isSpace(c) {
continue
}
self.scanp = i
return c, nil
c, empty := self.scan()
if !empty {
return byte(c), nil
}
// buffer has been scanned, now report any error
if err != nil {
if err != io.EOF {
self.err = err
}
self.setErr(err)
return 0, err
}
err = self.refill()
}
}
func (self *StreamDecoder) scan() (byte, bool) {
for i := self.scanp; i < len(self.buf); i++ {
c := self.buf[i]
if isSpace(c) {
continue
}
self.scanp = i
return c, false
}
return 0, true
}
func isSpace(c byte) bool {
return types.SPACE_MASK & (1 << c) != 0
}
@ -212,17 +233,25 @@ func (self *StreamDecoder) refill() error {
return err
}
func realloc(buf *[]byte) {
func realloc(buf *[]byte) bool {
l := uint(len(*buf))
c := uint(cap(*buf))
if c == 0 {
// println("use pool!")
*buf = bufPool.Get().([]byte)
return true
}
if c - l <= c >> minLeftBufferShift {
// println("realloc!")
e := l+(l>>minLeftBufferShift)
if e < option.DefaultDecoderBufferSize {
e = option.DefaultDecoderBufferSize
if e <= c {
e = c*2
}
tmp := make([]byte, l, e)
copy(tmp, *buf)
*buf = tmp
return true
}
return false
}

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@ -1,4 +1,4 @@
// +build go1.21,!go1.22
// +build go1.21,!go1.23
// Copyright 2023 CloudWeGo Authors
//

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@ -1,5 +1,4 @@
//go:build go1.17 && !go1.22
// +build go1.17,!go1.22
// +build go1.17,!go1.23
/*
* Copyright 2021 ByteDance Inc.
@ -171,7 +170,7 @@ var (
)
var (
_REG_ffi = []obj.Addr{ _RP, _RL, _RC}
_REG_ffi = []obj.Addr{ _RP, _RL, _RC, _SP_q}
_REG_b64 = []obj.Addr{_SP_p, _SP_q}
_REG_all = []obj.Addr{_ST, _SP_x, _SP_f, _SP_p, _SP_q, _RP, _RL, _RC}
@ -510,11 +509,9 @@ func (self *_Assembler) call_b64(pc obj.Addr) {
func (self *_Assembler) call_c(pc obj.Addr) {
self.Emit("XCHGQ", _SP_p, _BX)
self.Emit("XCHGQ", _SP_q, _BP)
self.call(pc) // CALL $pc
self.xload(_REG_ffi...) // LOAD $REG_ffi
self.Emit("XCHGQ", _SP_p, _BX)
self.Emit("XCHGQ", _SP_q, _BP)
}
func (self *_Assembler) call_go(pc obj.Addr) {

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@ -831,7 +831,7 @@ func (self *_Compiler) compileStructFieldZero(p *_Program, vt reflect.Type) {
case reflect.Float32 : p.add(_OP_is_zero_4)
case reflect.Float64 : p.add(_OP_is_zero_8)
case reflect.String : p.add(_OP_is_nil_p1)
case reflect.Interface : p.add(_OP_is_nil_p1)
case reflect.Interface : p.add(_OP_is_nil)
case reflect.Map : p.add(_OP_is_zero_map)
case reflect.Ptr : p.add(_OP_is_nil)
case reflect.Slice : p.add(_OP_is_nil_p1)

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@ -1,4 +1,4 @@
// +build go1.17,!go1.22
// +build go1.17,!go1.23
/*
* Copyright 2021 ByteDance Inc.

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@ -41,6 +41,7 @@ const (
bitNoNullSliceOrMap
bitValidateString
bitNoValidateJSONMarshaler
bitNoEncoderNewline
// used for recursive compile
bitPointerValue = 63
@ -76,6 +77,9 @@ const (
// NoValidateJSONMarshaler indicates that the encoder should not validate the output string
// after encoding the JSONMarshaler to JSON.
NoValidateJSONMarshaler Options = 1 << bitNoValidateJSONMarshaler
// NoEncoderNewline indicates that the encoder should not add a newline after every message
NoEncoderNewline Options = 1 << bitNoEncoderNewline
// CompatibleWithStd is used to be compatible with std encoder.
CompatibleWithStd Options = SortMapKeys | EscapeHTML | CompactMarshaler
@ -129,6 +133,16 @@ func (self *Encoder) SetNoValidateJSONMarshaler(f bool) {
}
}
// SetNoEncoderNewline specifies if option NoEncoderNewline opens
func (self *Encoder) SetNoEncoderNewline(f bool) {
if f {
self.Opts |= NoEncoderNewline
} else {
self.Opts &= ^NoEncoderNewline
}
}
// SetCompactMarshaler specifies if option CompactMarshaler opens
func (self *Encoder) SetCompactMarshaler(f bool) {
if f {

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@ -154,17 +154,17 @@ var (
)
var (
_F_assertI2I = jit.Func(assertI2I)
_F_assertI2I = jit.Func(rt.AssertI2I2)
)
func asText(v unsafe.Pointer) (string, error) {
text := assertI2I(_T_encoding_TextMarshaler, *(*rt.GoIface)(v))
text := rt.AssertI2I2(_T_encoding_TextMarshaler, *(*rt.GoIface)(v))
r, e := (*(*encoding.TextMarshaler)(unsafe.Pointer(&text))).MarshalText()
return rt.Mem2Str(r), e
}
func asJson(v unsafe.Pointer) (string, error) {
text := assertI2I(_T_json_Marshaler, *(*rt.GoIface)(v))
text := rt.AssertI2I2(_T_json_Marshaler, *(*rt.GoIface)(v))
r, e := (*(*json.Marshaler)(unsafe.Pointer(&text))).MarshalJSON()
return rt.Mem2Str(r), e
}

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@ -36,7 +36,8 @@ func NewStreamEncoder(w io.Writer) *StreamEncoder {
// Encode encodes interface{} as JSON to io.Writer
func (enc *StreamEncoder) Encode(val interface{}) (err error) {
out := newBytes()
buf := newBytes()
out := buf
/* encode into the buffer */
err = EncodeInto(&out, val, enc.Opts)
@ -54,7 +55,9 @@ func (enc *StreamEncoder) Encode(val interface{}) (err error) {
}
// according to standard library, terminate each value with a newline...
buf.WriteByte('\n')
if enc.Opts & NoEncoderNewline == 0 {
buf.WriteByte('\n')
}
/* copy into io.Writer */
_, err = io.Copy(enc.w, buf)
@ -75,10 +78,12 @@ func (enc *StreamEncoder) Encode(val interface{}) (err error) {
}
// according to standard library, terminate each value with a newline...
enc.w.Write([]byte{'\n'})
if enc.Opts & NoEncoderNewline == 0 {
enc.w.Write([]byte{'\n'})
}
}
free_bytes:
freeBytes(out)
freeBytes(buf)
return err
}

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@ -38,10 +38,6 @@ func memmove(to unsafe.Pointer, from unsafe.Pointer, n uintptr)
//goland:noinspection GoUnusedParameter
func growslice(et *rt.GoType, old rt.GoSlice, cap int) rt.GoSlice
//go:linkname assertI2I runtime.assertI2I
//goland:noinspection GoUnusedParameter
func assertI2I(inter *rt.GoType, i rt.GoIface) rt.GoIface
//go:linkname mapiternext runtime.mapiternext
//goland:noinspection GoUnusedParameter
func mapiternext(it *rt.GoMapIterator)

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@ -38,10 +38,6 @@ func memmove(to unsafe.Pointer, from unsafe.Pointer, n uintptr)
//goland:noinspection GoUnusedParameter
func growslice(et *rt.GoType, old rt.GoSlice, cap int) rt.GoSlice
//go:linkname assertI2I runtime.assertI2I2
//goland:noinspection GoUnusedParameter
func assertI2I(inter *rt.GoType, i rt.GoIface) rt.GoIface
//go:linkname mapiternext runtime.mapiternext
//goland:noinspection GoUnusedParameter
func mapiternext(it *rt.GoMapIterator)

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@ -38,10 +38,6 @@ func memmove(to unsafe.Pointer, from unsafe.Pointer, n uintptr)
//goland:noinspection GoUnusedParameter
func growslice(et *rt.GoType, old rt.GoSlice, cap int) rt.GoSlice
//go:linkname assertI2I runtime.assertI2I2
//goland:noinspection GoUnusedParameter
func assertI2I(inter *rt.GoType, i rt.GoIface) rt.GoIface
//go:linkname mapiternext runtime.mapiternext
//goland:noinspection GoUnusedParameter
func mapiternext(it *rt.GoMapIterator)

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@ -38,10 +38,6 @@ func memmove(to unsafe.Pointer, from unsafe.Pointer, n uintptr)
//goland:noinspection GoUnusedParameter
func growslice(et *rt.GoType, old rt.GoSlice, cap int) rt.GoSlice
//go:linkname assertI2I runtime.assertI2I2
//goland:noinspection GoUnusedParameter
func assertI2I(inter *rt.GoType, i rt.GoIface) rt.GoIface
//go:linkname mapiternext runtime.mapiternext
//goland:noinspection GoUnusedParameter
func mapiternext(it *rt.GoMapIterator)

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@ -72,18 +72,6 @@ func (self *BaseAssembler) NOPn(n int) {
}
}
func (self *BaseAssembler) StorePtr(ptr int64, to obj.Addr, tmp obj.Addr) {
if (to.Type != obj.TYPE_MEM) || (tmp.Type != obj.TYPE_REG) {
panic("must store imm to memory, tmp must be register")
}
if (ptr >> 32) != 0 {
self.Emit("MOVQ", Imm(ptr), tmp)
self.Emit("MOVQ", tmp, to)
} else {
self.Emit("MOVQ", Imm(ptr), to);
}
}
func (self *BaseAssembler) Byte(v ...byte) {
for ; len(v) >= 8; v = v[8:] { self.From("QUAD", Imm(rt.Get64(v))) }
for ; len(v) >= 4; v = v[4:] { self.From("LONG", Imm(int64(rt.Get32(v)))) }

View file

@ -24,11 +24,6 @@ import (
`github.com/twitchyliquid64/golang-asm/obj`
)
//go:noescape
//go:linkname getitab runtime.getitab
//goland:noinspection ALL
func getitab(inter *rt.GoType, typ *rt.GoType, canfail bool) *rt.GoItab
func Func(f interface{}) obj.Addr {
if p := rt.UnpackEface(f); p.Type.Kind() != reflect.Func {
panic("f is not a function")
@ -42,7 +37,7 @@ func Type(t reflect.Type) obj.Addr {
}
func Itab(i *rt.GoType, t reflect.Type) obj.Addr {
return Imm(int64(uintptr(unsafe.Pointer(getitab(i, rt.UnpackType(t), false)))))
return Imm(int64(uintptr(unsafe.Pointer(rt.Getitab(rt.IfaceType(i), rt.UnpackType(t), false)))))
}
func Gitab(i *rt.GoItab) obj.Addr {

View file

@ -1,5 +1,4 @@
// +build !noasm !appengine
// Code generated by asm2asm, DO NOT EDIT·
// +build !noasm,amd64 !appengine,amd64
#include "go_asm.h"
#include "funcdata.h"

View file

@ -1,5 +1,4 @@
// +build !noasm !appengine
// Code generated by asm2asm, DO NOT EDIT.
// +build !noasm,!amd64 !appengine,!amd64
#include "go_asm.h"
#include "funcdata.h"

View file

@ -66,15 +66,16 @@ func FuncAddr(f interface{}) unsafe.Pointer {
}
}
//go:nocheckptr
func IndexChar(src string, index int) unsafe.Pointer {
return unsafe.Pointer(uintptr((*GoString)(unsafe.Pointer(&src)).Ptr) + uintptr(index))
}
//go:nocheckptr
func IndexByte(ptr []byte, index int) unsafe.Pointer {
return unsafe.Pointer(uintptr((*GoSlice)(unsafe.Pointer(&ptr)).Ptr) + uintptr(index))
}
//go:nosplit
func GuardSlice(buf *[]byte, n int) {
c := cap(*buf)
l := len(*buf)

View file

@ -211,3 +211,24 @@ func findReflectRtypeItab() *GoItab {
v := reflect.TypeOf(struct{}{})
return (*GoIface)(unsafe.Pointer(&v)).Itab
}
func AssertI2I2(t *GoType, i GoIface) (r GoIface) {
inter := IfaceType(t)
tab := i.Itab
if tab == nil {
return
}
if (*GoInterfaceType)(tab.it) != inter {
tab = Getitab(inter, tab.Vt, true)
if tab == nil {
return
}
}
r.Itab = tab
r.Value = i.Value
return
}
//go:noescape
//go:linkname Getitab runtime.getitab
func Getitab(inter *GoInterfaceType, typ *GoType, canfail bool) *GoItab

View file

@ -17,12 +17,12 @@
package rt
const (
MinInt48 = -(1 << 47)
MaxInt48 = +(1 << 47) - 1
MinInt48 int64 = -(1 << 47)
MaxInt48 int64 = +(1 << 47) - 1
)
func PackInt(v int) uint64 {
if u := uint64(v); v < MinInt48 || v > MaxInt48 {
if u := uint64(v); int64(v) < MinInt48 || int64(v) > MaxInt48 {
panic("int48 out of range")
} else {
return ((u >> 63) << 47) | (u & 0x00007fffffffffff)