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Fix encoding of MarshalText operation with head offset

This commit is contained in:
Masaaki Goshima 2022-01-11 15:11:17 +09:00
parent f2c27a62ca
commit f810369f2d
No known key found for this signature in database
GPG Key ID: 6A53785055537153
6 changed files with 86 additions and 30 deletions
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31
encode_test.go
View File

@ -2308,3 +2308,34 @@ func TestMarshalIndent(t *testing.T) {
t.Fatalf("expected: %q but got %q", expected, got)
}
}
type issue318Embedded struct {
_ [64]byte
}
type issue318 struct {
issue318Embedded `json:"-"`
ID issue318MarshalText `json:"id,omitempty"`
}
type issue318MarshalText struct {
ID string
}
func (i issue318MarshalText) MarshalText() ([]byte, error) {
return []byte(i.ID), nil
}
func TestIssue318(t *testing.T) {
v := issue318{
ID: issue318MarshalText{ID: "1"},
}
b, err := json.Marshal(v)
if err != nil {
t.Fatal(err)
}
expected := `{"id":"1"}`
if string(b) != expected {
t.Fatalf("failed to encode. expected %s but got %s", expected, string(b))
}
}

17
internal/cmd/generator/vm.go.tmpl
View File

@ -705,14 +705,15 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
if code.Flags&encoder.AnonymousHeadFlags == 0 {
b = appendStructHead(ctx, b)
}
u64 := ptrToUint64(p+uintptr(code.Offset), code.NumBitSize)
p += uintptr(code.Offset)
u64 := ptrToUint64(p, code.NumBitSize)
v := u64 & ((1 << code.NumBitSize) - 1)
if v == 0 {
code = code.NextField
} else {
b = appendStructKey(ctx, code, b)
b = append(b, '"')
b = appendInt(ctx, b, p+uintptr(code.Offset), code)
b = appendInt(ctx, b, p, code)
b = append(b, '"')
b = appendComma(ctx, b)
code = code.Next
@ -2953,9 +2954,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
b = appendStructHead(ctx, b)
}
b = appendStructKey(ctx, code, b)
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadMarshalJSON {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
if p == 0 && (code.Flags&encoder.NilCheckFlags) != 0 {
@ -2994,9 +2996,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
if code.Flags&encoder.AnonymousHeadFlags == 0 {
b = appendStructHead(ctx, b)
}
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadOmitEmptyMarshalJSON {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
iface := ptrToInterface(code, p)
@ -3114,9 +3117,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
b = appendStructHead(ctx, b)
}
b = appendStructKey(ctx, code, b)
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadMarshalText {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
if p == 0 && (code.Flags&encoder.NilCheckFlags) != 0 {
@ -3155,9 +3159,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
if code.Flags&encoder.AnonymousHeadFlags == 0 {
b = appendStructHead(ctx, b)
}
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadOmitEmptyMarshalText {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
if p == 0 && (code.Flags&encoder.NilCheckFlags) != 0 {

17
internal/encoder/vm/vm.go
View File

@ -705,14 +705,15 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
if code.Flags&encoder.AnonymousHeadFlags == 0 {
b = appendStructHead(ctx, b)
}
u64 := ptrToUint64(p+uintptr(code.Offset), code.NumBitSize)
p += uintptr(code.Offset)
u64 := ptrToUint64(p, code.NumBitSize)
v := u64 & ((1 << code.NumBitSize) - 1)
if v == 0 {
code = code.NextField
} else {
b = appendStructKey(ctx, code, b)
b = append(b, '"')
b = appendInt(ctx, b, p+uintptr(code.Offset), code)
b = appendInt(ctx, b, p, code)
b = append(b, '"')
b = appendComma(ctx, b)
code = code.Next
@ -2953,9 +2954,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
b = appendStructHead(ctx, b)
}
b = appendStructKey(ctx, code, b)
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadMarshalJSON {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
if p == 0 && (code.Flags&encoder.NilCheckFlags) != 0 {
@ -2994,9 +2996,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
if code.Flags&encoder.AnonymousHeadFlags == 0 {
b = appendStructHead(ctx, b)
}
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadOmitEmptyMarshalJSON {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
iface := ptrToInterface(code, p)
@ -3114,9 +3117,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
b = appendStructHead(ctx, b)
}
b = appendStructKey(ctx, code, b)
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadMarshalText {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
if p == 0 && (code.Flags&encoder.NilCheckFlags) != 0 {
@ -3155,9 +3159,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
if code.Flags&encoder.AnonymousHeadFlags == 0 {
b = appendStructHead(ctx, b)
}
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadOmitEmptyMarshalText {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
if p == 0 && (code.Flags&encoder.NilCheckFlags) != 0 {

17
internal/encoder/vm_color/vm.go
View File

@ -705,14 +705,15 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
if code.Flags&encoder.AnonymousHeadFlags == 0 {
b = appendStructHead(ctx, b)
}
u64 := ptrToUint64(p+uintptr(code.Offset), code.NumBitSize)
p += uintptr(code.Offset)
u64 := ptrToUint64(p, code.NumBitSize)
v := u64 & ((1 << code.NumBitSize) - 1)
if v == 0 {
code = code.NextField
} else {
b = appendStructKey(ctx, code, b)
b = append(b, '"')
b = appendInt(ctx, b, p+uintptr(code.Offset), code)
b = appendInt(ctx, b, p, code)
b = append(b, '"')
b = appendComma(ctx, b)
code = code.Next
@ -2953,9 +2954,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
b = appendStructHead(ctx, b)
}
b = appendStructKey(ctx, code, b)
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadMarshalJSON {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
if p == 0 && (code.Flags&encoder.NilCheckFlags) != 0 {
@ -2994,9 +2996,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
if code.Flags&encoder.AnonymousHeadFlags == 0 {
b = appendStructHead(ctx, b)
}
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadOmitEmptyMarshalJSON {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
iface := ptrToInterface(code, p)
@ -3114,9 +3117,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
b = appendStructHead(ctx, b)
}
b = appendStructKey(ctx, code, b)
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadMarshalText {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
if p == 0 && (code.Flags&encoder.NilCheckFlags) != 0 {
@ -3155,9 +3159,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
if code.Flags&encoder.AnonymousHeadFlags == 0 {
b = appendStructHead(ctx, b)
}
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadOmitEmptyMarshalText {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
if p == 0 && (code.Flags&encoder.NilCheckFlags) != 0 {

17
internal/encoder/vm_color_indent/vm.go
View File

@ -705,14 +705,15 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
if code.Flags&encoder.AnonymousHeadFlags == 0 {
b = appendStructHead(ctx, b)
}
u64 := ptrToUint64(p+uintptr(code.Offset), code.NumBitSize)
p += uintptr(code.Offset)
u64 := ptrToUint64(p, code.NumBitSize)
v := u64 & ((1 << code.NumBitSize) - 1)
if v == 0 {
code = code.NextField
} else {
b = appendStructKey(ctx, code, b)
b = append(b, '"')
b = appendInt(ctx, b, p+uintptr(code.Offset), code)
b = appendInt(ctx, b, p, code)
b = append(b, '"')
b = appendComma(ctx, b)
code = code.Next
@ -2953,9 +2954,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
b = appendStructHead(ctx, b)
}
b = appendStructKey(ctx, code, b)
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadMarshalJSON {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
if p == 0 && (code.Flags&encoder.NilCheckFlags) != 0 {
@ -2994,9 +2996,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
if code.Flags&encoder.AnonymousHeadFlags == 0 {
b = appendStructHead(ctx, b)
}
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadOmitEmptyMarshalJSON {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
iface := ptrToInterface(code, p)
@ -3114,9 +3117,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
b = appendStructHead(ctx, b)
}
b = appendStructKey(ctx, code, b)
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadMarshalText {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
if p == 0 && (code.Flags&encoder.NilCheckFlags) != 0 {
@ -3155,9 +3159,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
if code.Flags&encoder.AnonymousHeadFlags == 0 {
b = appendStructHead(ctx, b)
}
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadOmitEmptyMarshalText {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
if p == 0 && (code.Flags&encoder.NilCheckFlags) != 0 {

17
internal/encoder/vm_indent/vm.go
View File

@ -705,14 +705,15 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
if code.Flags&encoder.AnonymousHeadFlags == 0 {
b = appendStructHead(ctx, b)
}
u64 := ptrToUint64(p+uintptr(code.Offset), code.NumBitSize)
p += uintptr(code.Offset)
u64 := ptrToUint64(p, code.NumBitSize)
v := u64 & ((1 << code.NumBitSize) - 1)
if v == 0 {
code = code.NextField
} else {
b = appendStructKey(ctx, code, b)
b = append(b, '"')
b = appendInt(ctx, b, p+uintptr(code.Offset), code)
b = appendInt(ctx, b, p, code)
b = append(b, '"')
b = appendComma(ctx, b)
code = code.Next
@ -2953,9 +2954,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
b = appendStructHead(ctx, b)
}
b = appendStructKey(ctx, code, b)
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadMarshalJSON {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
if p == 0 && (code.Flags&encoder.NilCheckFlags) != 0 {
@ -2994,9 +2996,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
if code.Flags&encoder.AnonymousHeadFlags == 0 {
b = appendStructHead(ctx, b)
}
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadOmitEmptyMarshalJSON {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
iface := ptrToInterface(code, p)
@ -3114,9 +3117,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
b = appendStructHead(ctx, b)
}
b = appendStructKey(ctx, code, b)
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadMarshalText {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
if p == 0 && (code.Flags&encoder.NilCheckFlags) != 0 {
@ -3155,9 +3159,10 @@ func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]b
if code.Flags&encoder.AnonymousHeadFlags == 0 {
b = appendStructHead(ctx, b)
}
p += uintptr(code.Offset)
if (code.Flags & encoder.IsNilableTypeFlags) != 0 {
if (code.Flags&encoder.IndirectFlags) != 0 || code.Op == encoder.OpStructPtrHeadOmitEmptyMarshalText {
p = ptrToPtr(p + uintptr(code.Offset))
p = ptrToPtr(p)
}
}
if p == 0 && (code.Flags&encoder.NilCheckFlags) != 0 {