diff options
Diffstat (limited to 'vendor/github.com/goccy/go-json/internal/encoder/vm_escaped/util.go')
-rw-r--r-- | vendor/github.com/goccy/go-json/internal/encoder/vm_escaped/util.go | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/vendor/github.com/goccy/go-json/internal/encoder/vm_escaped/util.go b/vendor/github.com/goccy/go-json/internal/encoder/vm_escaped/util.go deleted file mode 100644 index 129eb2cfa..000000000 --- a/vendor/github.com/goccy/go-json/internal/encoder/vm_escaped/util.go +++ /dev/null @@ -1,215 +0,0 @@ -package vm_escaped - -import ( - "encoding/json" - "fmt" - "unsafe" - - "github.com/goccy/go-json/internal/encoder" - "github.com/goccy/go-json/internal/runtime" -) - -const uintptrSize = 4 << (^uintptr(0) >> 63) - -var ( - appendInt = encoder.AppendInt - appendUint = encoder.AppendUint - appendFloat32 = encoder.AppendFloat32 - appendFloat64 = encoder.AppendFloat64 - appendString = encoder.AppendEscapedString - appendByteSlice = encoder.AppendByteSlice - appendNumber = encoder.AppendNumber - errUnsupportedValue = encoder.ErrUnsupportedValue - errUnsupportedFloat = encoder.ErrUnsupportedFloat - mapiterinit = encoder.MapIterInit - mapiterkey = encoder.MapIterKey - mapitervalue = encoder.MapIterValue - mapiternext = encoder.MapIterNext - maplen = encoder.MapLen -) - -type emptyInterface struct { - typ *runtime.Type - ptr unsafe.Pointer -} - -func errUnimplementedOp(op encoder.OpType) error { - return fmt.Errorf("encoder (escaped): opcode %s has not been implemented", op) -} - -func load(base uintptr, idx uintptr) uintptr { - addr := base + idx - return **(**uintptr)(unsafe.Pointer(&addr)) -} - -func store(base uintptr, idx uintptr, p uintptr) { - addr := base + idx - **(**uintptr)(unsafe.Pointer(&addr)) = p -} - -func loadNPtr(base uintptr, idx uintptr, ptrNum int) uintptr { - addr := base + idx - p := **(**uintptr)(unsafe.Pointer(&addr)) - for i := 0; i < ptrNum; i++ { - if p == 0 { - return 0 - } - p = ptrToPtr(p) - } - return p -} - -func ptrToUint64(p uintptr) uint64 { return **(**uint64)(unsafe.Pointer(&p)) } -func ptrToFloat32(p uintptr) float32 { return **(**float32)(unsafe.Pointer(&p)) } -func ptrToFloat64(p uintptr) float64 { return **(**float64)(unsafe.Pointer(&p)) } -func ptrToBool(p uintptr) bool { return **(**bool)(unsafe.Pointer(&p)) } -func ptrToBytes(p uintptr) []byte { return **(**[]byte)(unsafe.Pointer(&p)) } -func ptrToNumber(p uintptr) json.Number { return **(**json.Number)(unsafe.Pointer(&p)) } -func ptrToString(p uintptr) string { return **(**string)(unsafe.Pointer(&p)) } -func ptrToSlice(p uintptr) *runtime.SliceHeader { return *(**runtime.SliceHeader)(unsafe.Pointer(&p)) } -func ptrToPtr(p uintptr) uintptr { - return uintptr(**(**unsafe.Pointer)(unsafe.Pointer(&p))) -} -func ptrToNPtr(p uintptr, ptrNum int) uintptr { - for i := 0; i < ptrNum; i++ { - if p == 0 { - return 0 - } - p = ptrToPtr(p) - } - return p -} - -func ptrToUnsafePtr(p uintptr) unsafe.Pointer { - return *(*unsafe.Pointer)(unsafe.Pointer(&p)) -} -func ptrToInterface(code *encoder.Opcode, p uintptr) interface{} { - return *(*interface{})(unsafe.Pointer(&emptyInterface{ - typ: code.Type, - ptr: *(*unsafe.Pointer)(unsafe.Pointer(&p)), - })) -} - -func appendBool(b []byte, v bool) []byte { - if v { - return append(b, "true"...) - } - return append(b, "false"...) -} - -func appendNull(b []byte) []byte { - return append(b, "null"...) -} - -func appendComma(b []byte) []byte { - return append(b, ',') -} - -func appendColon(b []byte) []byte { - last := len(b) - 1 - b[last] = ':' - return b -} - -func appendMapKeyValue(_ *encoder.RuntimeContext, _ *encoder.Opcode, b, key, value []byte) []byte { - b = append(b, key...) - b[len(b)-1] = ':' - return append(b, value...) -} - -func appendMapEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte { - b[len(b)-1] = '}' - b = append(b, ',') - return b -} - -func appendInterface(ctx *encoder.RuntimeContext, codeSet *encoder.OpcodeSet, opt encoder.Option, _ *encoder.Opcode, b []byte, iface *emptyInterface, ptrOffset uintptr) ([]byte, error) { - ctx.KeepRefs = append(ctx.KeepRefs, unsafe.Pointer(iface)) - ifaceCodeSet, err := encoder.CompileToGetCodeSet(uintptr(unsafe.Pointer(iface.typ))) - if err != nil { - return nil, err - } - - totalLength := uintptr(codeSet.CodeLength) - nextTotalLength := uintptr(ifaceCodeSet.CodeLength) - - curlen := uintptr(len(ctx.Ptrs)) - offsetNum := ptrOffset / uintptrSize - - newLen := offsetNum + totalLength + nextTotalLength - if curlen < newLen { - ctx.Ptrs = append(ctx.Ptrs, make([]uintptr, newLen-curlen)...) - } - oldPtrs := ctx.Ptrs - - newPtrs := ctx.Ptrs[(ptrOffset+totalLength*uintptrSize)/uintptrSize:] - newPtrs[0] = uintptr(iface.ptr) - - ctx.Ptrs = newPtrs - - bb, err := Run(ctx, b, ifaceCodeSet, opt) - if err != nil { - return nil, err - } - - ctx.Ptrs = oldPtrs - return bb, nil -} - -func appendMarshalJSON(ctx *encoder.RuntimeContext, code *encoder.Opcode, b []byte, v interface{}) ([]byte, error) { - return encoder.AppendMarshalJSON(ctx, code, b, v, true) -} - -func appendMarshalText(code *encoder.Opcode, b []byte, v interface{}) ([]byte, error) { - return encoder.AppendMarshalText(code, b, v, true) -} - -func appendArrayHead(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte { - return append(b, '[') -} - -func appendArrayEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte { - last := len(b) - 1 - b[last] = ']' - return append(b, ',') -} - -func appendEmptyArray(b []byte) []byte { - return append(b, '[', ']', ',') -} - -func appendEmptyObject(b []byte) []byte { - return append(b, '{', '}', ',') -} - -func appendObjectEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte { - last := len(b) - 1 - b[last] = '}' - return append(b, ',') -} - -func appendStructHead(b []byte) []byte { - return append(b, '{') -} - -func appendStructKey(_ *encoder.RuntimeContext, code *encoder.Opcode, b []byte) []byte { - return append(b, code.EscapedKey...) -} - -func appendStructEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte { - return append(b, '}', ',') -} - -func appendStructEndSkipLast(ctx *encoder.RuntimeContext, code *encoder.Opcode, b []byte) []byte { - last := len(b) - 1 - if b[last] == ',' { - b[last] = '}' - return appendComma(b) - } - return appendStructEnd(ctx, code, b) -} - -func restoreIndent(_ *encoder.RuntimeContext, _ *encoder.Opcode, _ uintptr) {} -func storeIndent(_ uintptr, _ *encoder.Opcode, _ uintptr) {} -func appendMapKeyIndent(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte { return b } -func appendArrayElemIndent(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte { return b } |