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Merge pull request #226 from goccy/feature/refactor-debug-vm 

Refactor Debug mode for encoding
This commit is contained in:
Masaaki Goshima 2021-05-18 14:59:44 +09:00 committed by GitHub
parent bbea516a68 aee5d8a6fb
commit 761b608fbb
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
11 changed files with 136 additions and 5242 deletions
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20
encode.go
View File

@ -6,7 +6,6 @@ import (
"github.com/goccy/go-json/internal/encoder"
"github.com/goccy/go-json/internal/encoder/vm"
"github.com/goccy/go-json/internal/encoder/vm_debug"
"github.com/goccy/go-json/internal/encoder/vm_escaped"
"github.com/goccy/go-json/internal/encoder/vm_escaped_indent"
"github.com/goccy/go-json/internal/encoder/vm_indent"
@ -250,7 +249,7 @@ func encodeIndent(ctx *encoder.RuntimeContext, v interface{}, prefix, indent str
func encodeRunCode(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, opt EncodeOption) ([]byte, error) {
if (opt & EncodeOptionDebug) != 0 {
return vm_debug.Run(ctx, b, codeSet, encoder.Option(opt))
return encodeDebugRunCode(ctx, b, codeSet, opt)
}
if (opt & EncodeOptionHTMLEscape) != 0 {
return vm_escaped.Run(ctx, b, codeSet, encoder.Option(opt))
@ -258,11 +257,28 @@ func encodeRunCode(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.Opcod
return vm.Run(ctx, b, codeSet, encoder.Option(opt))
}
func encodeDebugRunCode(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, opt EncodeOption) ([]byte, error) {
if (opt & EncodeOptionHTMLEscape) != 0 {
return vm_escaped.DebugRun(ctx, b, codeSet, encoder.Option(opt))
}
return vm.DebugRun(ctx, b, codeSet, encoder.Option(opt))
}
func encodeRunIndentCode(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, prefix, indent string, opt EncodeOption) ([]byte, error) {
ctx.Prefix = []byte(prefix)
ctx.IndentStr = []byte(indent)
if (opt & EncodeOptionDebug) != 0 {
return encodeDebugRunIndentCode(ctx, b, codeSet, opt)
}
if (opt & EncodeOptionHTMLEscape) != 0 {
return vm_escaped_indent.Run(ctx, b, codeSet, encoder.Option(opt))
}
return vm_indent.Run(ctx, b, codeSet, encoder.Option(opt))
}
func encodeDebugRunIndentCode(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, opt EncodeOption) ([]byte, error) {
if (opt & EncodeOptionHTMLEscape) != 0 {
return vm_escaped_indent.DebugRun(ctx, b, codeSet, encoder.Option(opt))
}
return vm_indent.DebugRun(ctx, b, codeSet, encoder.Option(opt))
}

27
internal/encoder/vm/debug_vm.go Normal file
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@ -0,0 +1,27 @@
package vm
import (
"fmt"
"github.com/goccy/go-json/internal/encoder"
)
func DebugRun(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, opt encoder.Option) ([]byte, error) {
defer func() {
if err := recover(); err != nil {
fmt.Println("=============[DEBUG]===============")
fmt.Println("* [TYPE]")
fmt.Println(codeSet.Type)
fmt.Printf("\n")
fmt.Println("* [ALL OPCODE]")
fmt.Println(codeSet.Code.Dump())
fmt.Printf("\n")
fmt.Println("* [CONTEXT]")
fmt.Printf("%+v\n", ctx)
fmt.Println("===================================")
panic(err)
}
}()
return Run(ctx, b, codeSet, opt)
}

4
internal/encoder/vm/hack.go
View File

@ -2,8 +2,8 @@ package vm
import (
// HACK: compile order
// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent`, `vm_debug` packages uses a lot of memory to compile,
// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent` packages uses a lot of memory to compile,
// so forcibly make dependencies and avoid compiling in concurrent.
// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent => vm_debug
// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent
_ "github.com/goccy/go-json/internal/encoder/vm_escaped"
)

215
internal/encoder/vm_debug/util.go
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@ -1,215 +0,0 @@
package vm_debug
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.AppendString
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 (debug): 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, false)
}
func appendMarshalText(code *encoder.Opcode, b []byte, v interface{}) ([]byte, error) {
return encoder.AppendMarshalText(code, b, v, false)
}
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.Key...)
}
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 }

5012
internal/encoder/vm_debug/vm.go
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File diff suppressed because it is too large Load Diff

27
internal/encoder/vm_escaped/debug_vm.go Normal file
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@ -0,0 +1,27 @@
package vm_escaped
import (
"fmt"
"github.com/goccy/go-json/internal/encoder"
)
func DebugRun(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, opt encoder.Option) ([]byte, error) {
defer func() {
if err := recover(); err != nil {
fmt.Println("=============[DEBUG]===============")
fmt.Println("* [TYPE]")
fmt.Println(codeSet.Type)
fmt.Printf("\n")
fmt.Println("* [ALL OPCODE]")
fmt.Println(codeSet.Code.Dump())
fmt.Printf("\n")
fmt.Println("* [CONTEXT]")
fmt.Printf("%+v\n", ctx)
fmt.Println("===================================")
panic(err)
}
}()
return Run(ctx, b, codeSet, opt)
}

4
internal/encoder/vm_escaped/hack.go
View File

@ -2,8 +2,8 @@ package vm_escaped
import (
// HACK: compile order
// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent`, `vm_debug` packages uses a lot of memory to compile,
// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent` packages uses a lot of memory to compile,
// so forcibly make dependencies and avoid compiling in concurrent.
// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent => vm_debug
// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent
_ "github.com/goccy/go-json/internal/encoder/vm_indent"
)

27
internal/encoder/vm_escaped_indent/debug_vm.go Normal file
View File

@ -0,0 +1,27 @@
package vm_escaped_indent
import (
"fmt"
"github.com/goccy/go-json/internal/encoder"
)
func DebugRun(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, opt encoder.Option) ([]byte, error) {
defer func() {
if err := recover(); err != nil {
fmt.Println("=============[DEBUG]===============")
fmt.Println("* [TYPE]")
fmt.Println(codeSet.Type)
fmt.Printf("\n")
fmt.Println("* [ALL OPCODE]")
fmt.Println(codeSet.Code.Dump())
fmt.Printf("\n")
fmt.Println("* [CONTEXT]")
fmt.Printf("%+v\n", ctx)
fmt.Println("===================================")
panic(err)
}
}()
return Run(ctx, b, codeSet, opt)
}

7
internal/encoder/vm_escaped_indent/hack.go
View File

@ -1,9 +1,6 @@
package vm_escaped_indent
import (
// HACK: compile order
// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent`, `vm_debug` packages uses a lot of memory to compile,
// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent` packages uses a lot of memory to compile,
// so forcibly make dependencies and avoid compiling in concurrent.
// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent => vm_debug
_ "github.com/goccy/go-json/internal/encoder/vm_debug"
)
// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent

27
internal/encoder/vm_indent/debug_vm.go Normal file
View File

@ -0,0 +1,27 @@
package vm_indent
import (
"fmt"
"github.com/goccy/go-json/internal/encoder"
)
func DebugRun(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, opt encoder.Option) ([]byte, error) {
defer func() {
if err := recover(); err != nil {
fmt.Println("=============[DEBUG]===============")
fmt.Println("* [TYPE]")
fmt.Println(codeSet.Type)
fmt.Printf("\n")
fmt.Println("* [ALL OPCODE]")
fmt.Println(codeSet.Code.Dump())
fmt.Printf("\n")
fmt.Println("* [CONTEXT]")
fmt.Printf("%+v\n", ctx)
fmt.Println("===================================")
panic(err)
}
}()
return Run(ctx, b, codeSet, opt)
}

4
internal/encoder/vm_indent/hack.go
View File

@ -2,8 +2,8 @@ package vm_indent
import (
// HACK: compile order
// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent`, `vm_debug` packages uses a lot of memory to compile,
// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent` packages uses a lot of memory to compile,
// so forcibly make dependencies and avoid compiling in concurrent.
// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent => vm_debug
// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent
_ "github.com/goccy/go-json/internal/encoder/vm_escaped_indent"
)