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-rw-r--r--libgo/go/gob/codec_test.go32
-rw-r--r--libgo/go/gob/decode.go102
-rw-r--r--libgo/go/gob/decoder.go20
-rw-r--r--libgo/go/gob/encode.go14
-rw-r--r--libgo/go/gob/encoder.go12
-rw-r--r--libgo/go/gob/encoder_test.go19
-rw-r--r--libgo/go/gob/error.go23
-rw-r--r--libgo/go/gob/gobencdec_test.go43
-rw-r--r--libgo/go/gob/timing_test.go2
-rw-r--r--libgo/go/gob/type.go25
-rw-r--r--libgo/go/gob/type_test.go2
11 files changed, 146 insertions, 148 deletions
diff --git a/libgo/go/gob/codec_test.go b/libgo/go/gob/codec_test.go
index 5306354..dc0e007 100644
--- a/libgo/go/gob/codec_test.go
+++ b/libgo/go/gob/codec_test.go
@@ -6,8 +6,8 @@ package gob
import (
"bytes"
+ "errors"
"math"
- "os"
"reflect"
"strings"
"testing"
@@ -330,7 +330,7 @@ func newDecodeStateFromData(data []byte) *decoderState {
// Test instruction execution for decoding.
// Do not run the machine yet; instead do individual instructions crafted by hand.
func TestScalarDecInstructions(t *testing.T) {
- ovfl := os.NewError("overflow")
+ ovfl := errors.New("overflow")
// bool
{
@@ -633,7 +633,7 @@ func TestOverflow(t *testing.T) {
Minc complex128
}
var it inputT
- var err os.Error
+ var err error
b := new(bytes.Buffer)
enc := NewEncoder(b)
dec := NewDecoder(b)
@@ -650,7 +650,7 @@ func TestOverflow(t *testing.T) {
var o1 outi8
enc.Encode(it)
err = dec.Decode(&o1)
- if err == nil || err.String() != `value for "Maxi" out of range` {
+ if err == nil || err.Error() != `value for "Maxi" out of range` {
t.Error("wrong overflow error for int8:", err)
}
it = inputT{
@@ -659,7 +659,7 @@ func TestOverflow(t *testing.T) {
b.Reset()
enc.Encode(it)
err = dec.Decode(&o1)
- if err == nil || err.String() != `value for "Mini" out of range` {
+ if err == nil || err.Error() != `value for "Mini" out of range` {
t.Error("wrong underflow error for int8:", err)
}
@@ -675,7 +675,7 @@ func TestOverflow(t *testing.T) {
var o2 outi16
enc.Encode(it)
err = dec.Decode(&o2)
- if err == nil || err.String() != `value for "Maxi" out of range` {
+ if err == nil || err.Error() != `value for "Maxi" out of range` {
t.Error("wrong overflow error for int16:", err)
}
it = inputT{
@@ -684,7 +684,7 @@ func TestOverflow(t *testing.T) {
b.Reset()
enc.Encode(it)
err = dec.Decode(&o2)
- if err == nil || err.String() != `value for "Mini" out of range` {
+ if err == nil || err.Error() != `value for "Mini" out of range` {
t.Error("wrong underflow error for int16:", err)
}
@@ -700,7 +700,7 @@ func TestOverflow(t *testing.T) {
var o3 outi32
enc.Encode(it)
err = dec.Decode(&o3)
- if err == nil || err.String() != `value for "Maxi" out of range` {
+ if err == nil || err.Error() != `value for "Maxi" out of range` {
t.Error("wrong overflow error for int32:", err)
}
it = inputT{
@@ -709,7 +709,7 @@ func TestOverflow(t *testing.T) {
b.Reset()
enc.Encode(it)
err = dec.Decode(&o3)
- if err == nil || err.String() != `value for "Mini" out of range` {
+ if err == nil || err.Error() != `value for "Mini" out of range` {
t.Error("wrong underflow error for int32:", err)
}
@@ -724,7 +724,7 @@ func TestOverflow(t *testing.T) {
var o4 outu8
enc.Encode(it)
err = dec.Decode(&o4)
- if err == nil || err.String() != `value for "Maxu" out of range` {
+ if err == nil || err.Error() != `value for "Maxu" out of range` {
t.Error("wrong overflow error for uint8:", err)
}
@@ -739,7 +739,7 @@ func TestOverflow(t *testing.T) {
var o5 outu16
enc.Encode(it)
err = dec.Decode(&o5)
- if err == nil || err.String() != `value for "Maxu" out of range` {
+ if err == nil || err.Error() != `value for "Maxu" out of range` {
t.Error("wrong overflow error for uint16:", err)
}
@@ -754,7 +754,7 @@ func TestOverflow(t *testing.T) {
var o6 outu32
enc.Encode(it)
err = dec.Decode(&o6)
- if err == nil || err.String() != `value for "Maxu" out of range` {
+ if err == nil || err.Error() != `value for "Maxu" out of range` {
t.Error("wrong overflow error for uint32:", err)
}
@@ -770,7 +770,7 @@ func TestOverflow(t *testing.T) {
var o7 outf32
enc.Encode(it)
err = dec.Decode(&o7)
- if err == nil || err.String() != `value for "Maxf" out of range` {
+ if err == nil || err.Error() != `value for "Maxf" out of range` {
t.Error("wrong overflow error for float32:", err)
}
@@ -786,7 +786,7 @@ func TestOverflow(t *testing.T) {
var o8 outc64
enc.Encode(it)
err = dec.Decode(&o8)
- if err == nil || err.String() != `value for "Maxc" out of range` {
+ if err == nil || err.Error() != `value for "Maxc" out of range` {
t.Error("wrong overflow error for complex64:", err)
}
}
@@ -995,7 +995,7 @@ func TestBadRecursiveType(t *testing.T) {
err := NewEncoder(b).Encode(&rec)
if err == nil {
t.Error("expected error; got none")
- } else if strings.Index(err.String(), "recursive") < 0 {
+ } else if strings.Index(err.Error(), "recursive") < 0 {
t.Error("expected recursive type error; got", err)
}
// Can't test decode easily because we can't encode one, so we can't pass one to a Decoder.
@@ -1014,7 +1014,7 @@ func TestInvalidField(t *testing.T) {
dummyEncoder.encode(b, reflect.ValueOf(&bad0), userType(reflect.TypeOf(&bad0)))
if err := dummyEncoder.err; err == nil {
t.Error("expected error; got none")
- } else if strings.Index(err.String(), "type") < 0 {
+ } else if strings.Index(err.Error(), "type") < 0 {
t.Error("expected type error; got", err)
}
}
diff --git a/libgo/go/gob/decode.go b/libgo/go/gob/decode.go
index d027d3f..1515d12 100644
--- a/libgo/go/gob/decode.go
+++ b/libgo/go/gob/decode.go
@@ -9,17 +9,17 @@ package gob
import (
"bytes"
+ "errors"
"io"
"math"
- "os"
"reflect"
"unsafe"
)
var (
- errBadUint = os.NewError("gob: encoded unsigned integer out of range")
- errBadType = os.NewError("gob: unknown type id or corrupted data")
- errRange = os.NewError("gob: bad data: field numbers out of bounds")
+ errBadUint = errors.New("gob: encoded unsigned integer out of range")
+ errBadType = errors.New("gob: unknown type id or corrupted data")
+ errRange = errors.New("gob: bad data: field numbers out of bounds")
)
// decoderState is the execution state of an instance of the decoder. A new state
@@ -54,13 +54,13 @@ func (dec *Decoder) freeDecoderState(d *decoderState) {
dec.freeList = d
}
-func overflow(name string) os.Error {
- return os.NewError(`value for "` + name + `" out of range`)
+func overflow(name string) error {
+ return errors.New(`value for "` + name + `" out of range`)
}
// decodeUintReader reads an encoded unsigned integer from an io.Reader.
// Used only by the Decoder to read the message length.
-func decodeUintReader(r io.Reader, buf []byte) (x uint64, width int, err os.Error) {
+func decodeUintReader(r io.Reader, buf []byte) (x uint64, width int, err error) {
width = 1
_, err = r.Read(buf[0:width])
if err != nil {
@@ -77,7 +77,7 @@ func decodeUintReader(r io.Reader, buf []byte) (x uint64, width int, err os.Erro
}
width, err = io.ReadFull(r, buf[0:n])
if err != nil {
- if err == os.EOF {
+ if err == io.EOF {
err = io.ErrUnexpectedEOF
}
return
@@ -95,18 +95,18 @@ func decodeUintReader(r io.Reader, buf []byte) (x uint64, width int, err os.Erro
func (state *decoderState) decodeUint() (x uint64) {
b, err := state.b.ReadByte()
if err != nil {
- error(err)
+ error_(err)
}
if b <= 0x7f {
return uint64(b)
}
n := -int(int8(b))
if n > uint64Size {
- error(errBadUint)
+ error_(errBadUint)
}
width, err := state.b.Read(state.buf[0:n])
if err != nil {
- error(err)
+ error_(err)
}
// Don't need to check error; it's safe to loop regardless.
// Could check that the high byte is zero but it's not worth it.
@@ -132,10 +132,10 @@ type decOp func(i *decInstr, state *decoderState, p unsafe.Pointer)
// The 'instructions' of the decoding machine
type decInstr struct {
op decOp
- field int // field number of the wire type
- indir int // how many pointer indirections to reach the value in the struct
- offset uintptr // offset in the structure of the field to encode
- ovfl os.Error // error message for overflow/underflow (for arrays, of the elements)
+ field int // field number of the wire type
+ indir int // how many pointer indirections to reach the value in the struct
+ offset uintptr // offset in the structure of the field to encode
+ ovfl error // error message for overflow/underflow (for arrays, of the elements)
}
// Since the encoder writes no zeros, if we arrive at a decoder we have
@@ -190,7 +190,7 @@ func decInt8(i *decInstr, state *decoderState, p unsafe.Pointer) {
}
v := state.decodeInt()
if v < math.MinInt8 || math.MaxInt8 < v {
- error(i.ovfl)
+ error_(i.ovfl)
} else {
*(*int8)(p) = int8(v)
}
@@ -206,7 +206,7 @@ func decUint8(i *decInstr, state *decoderState, p unsafe.Pointer) {
}
v := state.decodeUint()
if math.MaxUint8 < v {
- error(i.ovfl)
+ error_(i.ovfl)
} else {
*(*uint8)(p) = uint8(v)
}
@@ -222,7 +222,7 @@ func decInt16(i *decInstr, state *decoderState, p unsafe.Pointer) {
}
v := state.decodeInt()
if v < math.MinInt16 || math.MaxInt16 < v {
- error(i.ovfl)
+ error_(i.ovfl)
} else {
*(*int16)(p) = int16(v)
}
@@ -238,7 +238,7 @@ func decUint16(i *decInstr, state *decoderState, p unsafe.Pointer) {
}
v := state.decodeUint()
if math.MaxUint16 < v {
- error(i.ovfl)
+ error_(i.ovfl)
} else {
*(*uint16)(p) = uint16(v)
}
@@ -254,7 +254,7 @@ func decInt32(i *decInstr, state *decoderState, p unsafe.Pointer) {
}
v := state.decodeInt()
if v < math.MinInt32 || math.MaxInt32 < v {
- error(i.ovfl)
+ error_(i.ovfl)
} else {
*(*int32)(p) = int32(v)
}
@@ -270,7 +270,7 @@ func decUint32(i *decInstr, state *decoderState, p unsafe.Pointer) {
}
v := state.decodeUint()
if math.MaxUint32 < v {
- error(i.ovfl)
+ error_(i.ovfl)
} else {
*(*uint32)(p) = uint32(v)
}
@@ -323,7 +323,7 @@ func storeFloat32(i *decInstr, state *decoderState, p unsafe.Pointer) {
}
// +Inf is OK in both 32- and 64-bit floats. Underflow is always OK.
if math.MaxFloat32 < av && av <= math.MaxFloat64 {
- error(i.ovfl)
+ error_(i.ovfl)
} else {
*(*float32)(p) = float32(v)
}
@@ -464,7 +464,7 @@ func allocate(rtyp reflect.Type, p uintptr, indir int) uintptr {
// decodeSingle decodes a top-level value that is not a struct and stores it through p.
// Such values are preceded by a zero, making them have the memory layout of a
// struct field (although with an illegal field number).
-func (dec *Decoder) decodeSingle(engine *decEngine, ut *userTypeInfo, basep uintptr) (err os.Error) {
+func (dec *Decoder) decodeSingle(engine *decEngine, ut *userTypeInfo, basep uintptr) (err error) {
state := dec.newDecoderState(&dec.buf)
state.fieldnum = singletonField
delta := int(state.decodeUint())
@@ -473,7 +473,7 @@ func (dec *Decoder) decodeSingle(engine *decEngine, ut *userTypeInfo, basep uint
}
instr := &engine.instr[singletonField]
if instr.indir != ut.indir {
- return os.NewError("gob: internal error: inconsistent indirection")
+ return errors.New("gob: internal error: inconsistent indirection")
}
ptr := unsafe.Pointer(basep) // offset will be zero
if instr.indir > 1 {
@@ -504,7 +504,7 @@ func (dec *Decoder) decodeStruct(engine *decEngine, ut *userTypeInfo, p uintptr,
}
fieldnum := state.fieldnum + delta
if fieldnum >= len(engine.instr) {
- error(errRange)
+ error_(errRange)
break
}
instr := &engine.instr[fieldnum]
@@ -532,7 +532,7 @@ func (dec *Decoder) ignoreStruct(engine *decEngine) {
}
fieldnum := state.fieldnum + delta
if fieldnum >= len(engine.instr) {
- error(errRange)
+ error_(errRange)
}
instr := &engine.instr[fieldnum]
instr.op(instr, state, unsafe.Pointer(nil))
@@ -556,7 +556,7 @@ func (dec *Decoder) ignoreSingle(engine *decEngine) {
}
// decodeArrayHelper does the work for decoding arrays and slices.
-func (dec *Decoder) decodeArrayHelper(state *decoderState, p uintptr, elemOp decOp, elemWid uintptr, length, elemIndir int, ovfl os.Error) {
+func (dec *Decoder) decodeArrayHelper(state *decoderState, p uintptr, elemOp decOp, elemWid uintptr, length, elemIndir int, ovfl error) {
instr := &decInstr{elemOp, 0, elemIndir, 0, ovfl}
for i := 0; i < length; i++ {
up := unsafe.Pointer(p)
@@ -571,7 +571,7 @@ func (dec *Decoder) decodeArrayHelper(state *decoderState, p uintptr, elemOp dec
// decodeArray decodes an array and stores it through p, that is, p points to the zeroth element.
// The length is an unsigned integer preceding the elements. Even though the length is redundant
// (it's part of the type), it's a useful check and is included in the encoding.
-func (dec *Decoder) decodeArray(atyp reflect.Type, state *decoderState, p uintptr, elemOp decOp, elemWid uintptr, length, indir, elemIndir int, ovfl os.Error) {
+func (dec *Decoder) decodeArray(atyp reflect.Type, state *decoderState, p uintptr, elemOp decOp, elemWid uintptr, length, indir, elemIndir int, ovfl error) {
if indir > 0 {
p = allocate(atyp, p, 1) // All but the last level has been allocated by dec.Indirect
}
@@ -583,7 +583,7 @@ func (dec *Decoder) decodeArray(atyp reflect.Type, state *decoderState, p uintpt
// decodeIntoValue is a helper for map decoding. Since maps are decoded using reflection,
// unlike the other items we can't use a pointer directly.
-func decodeIntoValue(state *decoderState, op decOp, indir int, v reflect.Value, ovfl os.Error) reflect.Value {
+func decodeIntoValue(state *decoderState, op decOp, indir int, v reflect.Value, ovfl error) reflect.Value {
instr := &decInstr{op, 0, indir, 0, ovfl}
up := unsafe.Pointer(unsafeAddr(v))
if indir > 1 {
@@ -597,7 +597,7 @@ func decodeIntoValue(state *decoderState, op decOp, indir int, v reflect.Value,
// Maps are encoded as a length followed by key:value pairs.
// Because the internals of maps are not visible to us, we must
// use reflection rather than pointer magic.
-func (dec *Decoder) decodeMap(mtyp reflect.Type, state *decoderState, p uintptr, keyOp, elemOp decOp, indir, keyIndir, elemIndir int, ovfl os.Error) {
+func (dec *Decoder) decodeMap(mtyp reflect.Type, state *decoderState, p uintptr, keyOp, elemOp decOp, indir, keyIndir, elemIndir int, ovfl error) {
if indir > 0 {
p = allocate(mtyp, p, 1) // All but the last level has been allocated by dec.Indirect
}
@@ -620,7 +620,7 @@ func (dec *Decoder) decodeMap(mtyp reflect.Type, state *decoderState, p uintptr,
// ignoreArrayHelper does the work for discarding arrays and slices.
func (dec *Decoder) ignoreArrayHelper(state *decoderState, elemOp decOp, length int) {
- instr := &decInstr{elemOp, 0, 0, 0, os.NewError("no error")}
+ instr := &decInstr{elemOp, 0, 0, 0, errors.New("no error")}
for i := 0; i < length; i++ {
elemOp(instr, state, nil)
}
@@ -637,8 +637,8 @@ func (dec *Decoder) ignoreArray(state *decoderState, elemOp decOp, length int) {
// ignoreMap discards the data for a map value with no destination.
func (dec *Decoder) ignoreMap(state *decoderState, keyOp, elemOp decOp) {
n := int(state.decodeUint())
- keyInstr := &decInstr{keyOp, 0, 0, 0, os.NewError("no error")}
- elemInstr := &decInstr{elemOp, 0, 0, 0, os.NewError("no error")}
+ keyInstr := &decInstr{keyOp, 0, 0, 0, errors.New("no error")}
+ elemInstr := &decInstr{elemOp, 0, 0, 0, errors.New("no error")}
for i := 0; i < n; i++ {
keyOp(keyInstr, state, nil)
elemOp(elemInstr, state, nil)
@@ -647,7 +647,7 @@ func (dec *Decoder) ignoreMap(state *decoderState, keyOp, elemOp decOp) {
// decodeSlice decodes a slice and stores the slice header through p.
// Slices are encoded as an unsigned length followed by the elements.
-func (dec *Decoder) decodeSlice(atyp reflect.Type, state *decoderState, p uintptr, elemOp decOp, elemWid uintptr, indir, elemIndir int, ovfl os.Error) {
+func (dec *Decoder) decodeSlice(atyp reflect.Type, state *decoderState, p uintptr, elemOp decOp, elemWid uintptr, indir, elemIndir int, ovfl error) {
n := int(uintptr(state.decodeUint()))
if indir > 0 {
up := unsafe.Pointer(p)
@@ -707,7 +707,7 @@ func (dec *Decoder) decodeInterface(ityp reflect.Type, state *decoderState, p ui
// Read the type id of the concrete value.
concreteId := dec.decodeTypeSequence(true)
if concreteId < 0 {
- error(dec.err)
+ error_(dec.err)
}
// Byte count of value is next; we don't care what it is (it's there
// in case we want to ignore the value by skipping it completely).
@@ -716,7 +716,7 @@ func (dec *Decoder) decodeInterface(ityp reflect.Type, state *decoderState, p ui
value := allocValue(typ)
dec.decodeValue(concreteId, value)
if dec.err != nil {
- error(dec.err)
+ error_(dec.err)
}
// Allocate the destination interface value.
if indir > 0 {
@@ -736,11 +736,11 @@ func (dec *Decoder) ignoreInterface(state *decoderState) {
b := make([]byte, state.decodeUint())
_, err := state.b.Read(b)
if err != nil {
- error(err)
+ error_(err)
}
id := dec.decodeTypeSequence(true)
if id < 0 {
- error(dec.err)
+ error_(dec.err)
}
// At this point, the decoder buffer contains a delimited value. Just toss it.
state.b.Next(int(state.decodeUint()))
@@ -753,12 +753,12 @@ func (dec *Decoder) decodeGobDecoder(state *decoderState, v reflect.Value) {
b := make([]byte, state.decodeUint())
_, err := state.b.Read(b)
if err != nil {
- error(err)
+ error_(err)
}
// We know it's a GobDecoder, so just call the method directly.
err = v.Interface().(GobDecoder).GobDecode(b)
if err != nil {
- error(err)
+ error_(err)
}
}
@@ -768,7 +768,7 @@ func (dec *Decoder) ignoreGobDecoder(state *decoderState) {
b := make([]byte, state.decodeUint())
_, err := state.b.Read(b)
if err != nil {
- error(err)
+ error_(err)
}
}
@@ -868,7 +868,7 @@ func (dec *Decoder) decOpFor(wireId typeId, rt reflect.Type, name string, inProg
// Generate a closure that calls out to the engine for the nested type.
enginePtr, err := dec.getDecEnginePtr(wireId, userType(typ))
if err != nil {
- error(err)
+ error_(err)
}
op = func(i *decInstr, state *decoderState, p unsafe.Pointer) {
// indirect through enginePtr to delay evaluation for recursive structs.
@@ -930,7 +930,7 @@ func (dec *Decoder) decIgnoreOpFor(wireId typeId) decOp {
// Generate a closure that calls out to the engine for the nested type.
enginePtr, err := dec.getIgnoreEnginePtr(wireId)
if err != nil {
- error(err)
+ error_(err)
}
op = func(i *decInstr, state *decoderState, p unsafe.Pointer) {
// indirect through enginePtr to delay evaluation for recursive structs
@@ -1062,23 +1062,23 @@ func (dec *Decoder) typeString(remoteId typeId) string {
// compileSingle compiles the decoder engine for a non-struct top-level value, including
// GobDecoders.
-func (dec *Decoder) compileSingle(remoteId typeId, ut *userTypeInfo) (engine *decEngine, err os.Error) {
+func (dec *Decoder) compileSingle(remoteId typeId, ut *userTypeInfo) (engine *decEngine, err error) {
rt := ut.user
engine = new(decEngine)
engine.instr = make([]decInstr, 1) // one item
name := rt.String() // best we can do
if !dec.compatibleType(rt, remoteId, make(map[reflect.Type]typeId)) {
- return nil, os.NewError("gob: wrong type received for local value " + name + ": " + dec.typeString(remoteId))
+ return nil, errors.New("gob: wrong type received for local value " + name + ": " + dec.typeString(remoteId))
}
op, indir := dec.decOpFor(remoteId, rt, name, make(map[reflect.Type]*decOp))
- ovfl := os.NewError(`value for "` + name + `" out of range`)
+ ovfl := errors.New(`value for "` + name + `" out of range`)
engine.instr[singletonField] = decInstr{*op, singletonField, indir, 0, ovfl}
engine.numInstr = 1
return
}
// compileIgnoreSingle compiles the decoder engine for a non-struct top-level value that will be discarded.
-func (dec *Decoder) compileIgnoreSingle(remoteId typeId) (engine *decEngine, err os.Error) {
+func (dec *Decoder) compileIgnoreSingle(remoteId typeId) (engine *decEngine, err error) {
engine = new(decEngine)
engine.instr = make([]decInstr, 1) // one item
op := dec.decIgnoreOpFor(remoteId)
@@ -1090,7 +1090,7 @@ func (dec *Decoder) compileIgnoreSingle(remoteId typeId) (engine *decEngine, err
// compileDec compiles the decoder engine for a value. If the value is not a struct,
// it calls out to compileSingle.
-func (dec *Decoder) compileDec(remoteId typeId, ut *userTypeInfo) (engine *decEngine, err os.Error) {
+func (dec *Decoder) compileDec(remoteId typeId, ut *userTypeInfo) (engine *decEngine, err error) {
rt := ut.base
srt := rt
if srt.Kind() != reflect.Struct ||
@@ -1105,7 +1105,7 @@ func (dec *Decoder) compileDec(remoteId typeId, ut *userTypeInfo) (engine *decEn
} else {
wire := dec.wireType[remoteId]
if wire == nil {
- error(errBadType)
+ error_(errBadType)
}
wireStruct = wire.StructT
}
@@ -1141,7 +1141,7 @@ func (dec *Decoder) compileDec(remoteId typeId, ut *userTypeInfo) (engine *decEn
}
// getDecEnginePtr returns the engine for the specified type.
-func (dec *Decoder) getDecEnginePtr(remoteId typeId, ut *userTypeInfo) (enginePtr **decEngine, err os.Error) {
+func (dec *Decoder) getDecEnginePtr(remoteId typeId, ut *userTypeInfo) (enginePtr **decEngine, err error) {
rt := ut.base
decoderMap, ok := dec.decoderCache[rt]
if !ok {
@@ -1166,7 +1166,7 @@ type emptyStruct struct{}
var emptyStructType = reflect.TypeOf(emptyStruct{})
// getDecEnginePtr returns the engine for the specified type when the value is to be discarded.
-func (dec *Decoder) getIgnoreEnginePtr(wireId typeId) (enginePtr **decEngine, err os.Error) {
+func (dec *Decoder) getIgnoreEnginePtr(wireId typeId) (enginePtr **decEngine, err error) {
var ok bool
if enginePtr, ok = dec.ignorerCache[wireId]; !ok {
// To handle recursive types, mark this engine as underway before compiling.
diff --git a/libgo/go/gob/decoder.go b/libgo/go/gob/decoder.go
index 1d526e3..5e684d3 100644
--- a/libgo/go/gob/decoder.go
+++ b/libgo/go/gob/decoder.go
@@ -7,8 +7,8 @@ package gob
import (
"bufio"
"bytes"
+ "errors"
"io"
- "os"
"reflect"
"sync"
)
@@ -25,7 +25,7 @@ type Decoder struct {
freeList *decoderState // list of free decoderStates; avoids reallocation
countBuf []byte // used for decoding integers while parsing messages
tmp []byte // temporary storage for i/o; saves reallocating
- err os.Error
+ err error
}
// NewDecoder returns a new decoder that reads from the io.Reader.
@@ -50,7 +50,7 @@ func NewDecoder(r io.Reader) *Decoder {
func (dec *Decoder) recvType(id typeId) {
// Have we already seen this type? That's an error
if id < firstUserId || dec.wireType[id] != nil {
- dec.err = os.NewError("gob: duplicate type received")
+ dec.err = errors.New("gob: duplicate type received")
return
}
@@ -64,7 +64,7 @@ func (dec *Decoder) recvType(id typeId) {
dec.wireType[id] = wire
}
-var errBadCount = os.NewError("invalid message length")
+var errBadCount = errors.New("invalid message length")
// recvMessage reads the next count-delimited item from the input. It is the converse
// of Encoder.writeMessage. It returns false on EOF or other error reading the message.
@@ -94,7 +94,7 @@ func (dec *Decoder) readMessage(nbytes int) {
// Read the data
_, dec.err = io.ReadFull(dec.r, dec.tmp)
if dec.err != nil {
- if dec.err == os.EOF {
+ if dec.err == io.EOF {
dec.err = io.ErrUnexpectedEOF
}
return
@@ -155,7 +155,7 @@ func (dec *Decoder) decodeTypeSequence(isInterface bool) typeId {
// will be absorbed by recvMessage.)
if dec.buf.Len() > 0 {
if !isInterface {
- dec.err = os.NewError("extra data in buffer")
+ dec.err = errors.New("extra data in buffer")
break
}
dec.nextUint()
@@ -169,7 +169,7 @@ func (dec *Decoder) decodeTypeSequence(isInterface bool) typeId {
// If e is nil, the value will be discarded. Otherwise,
// the value underlying e must be a pointer to the
// correct type for the next data item received.
-func (dec *Decoder) Decode(e interface{}) os.Error {
+func (dec *Decoder) Decode(e interface{}) error {
if e == nil {
return dec.DecodeValue(reflect.Value{})
}
@@ -177,7 +177,7 @@ func (dec *Decoder) Decode(e interface{}) os.Error {
// If e represents a value as opposed to a pointer, the answer won't
// get back to the caller. Make sure it's a pointer.
if value.Type().Kind() != reflect.Ptr {
- dec.err = os.NewError("gob: attempt to decode into a non-pointer")
+ dec.err = errors.New("gob: attempt to decode into a non-pointer")
return dec.err
}
return dec.DecodeValue(value)
@@ -187,12 +187,12 @@ func (dec *Decoder) Decode(e interface{}) os.Error {
// If v is the zero reflect.Value (v.Kind() == Invalid), DecodeValue discards the value.
// Otherwise, it stores the value into v. In that case, v must represent
// a non-nil pointer to data or be an assignable reflect.Value (v.CanSet())
-func (dec *Decoder) DecodeValue(v reflect.Value) os.Error {
+func (dec *Decoder) DecodeValue(v reflect.Value) error {
if v.IsValid() {
if v.Kind() == reflect.Ptr && !v.IsNil() {
// That's okay, we'll store through the pointer.
} else if !v.CanSet() {
- return os.NewError("gob: DecodeValue of unassignable value")
+ return errors.New("gob: DecodeValue of unassignable value")
}
}
// Make sure we're single-threaded through here.
diff --git a/libgo/go/gob/encode.go b/libgo/go/gob/encode.go
index c164435..c7e4823 100644
--- a/libgo/go/gob/encode.go
+++ b/libgo/go/gob/encode.go
@@ -55,7 +55,7 @@ func (state *encoderState) encodeUint(x uint64) {
if x <= 0x7F {
err := state.b.WriteByte(uint8(x))
if err != nil {
- error(err)
+ error_(err)
}
return
}
@@ -68,7 +68,7 @@ func (state *encoderState) encodeUint(x uint64) {
state.buf[i] = uint8(i - uint64Size) // = loop count, negated
_, err := state.b.Write(state.buf[i : uint64Size+1])
if err != nil {
- error(err)
+ error_(err)
}
}
@@ -443,7 +443,7 @@ func (enc *Encoder) encodeInterface(b *bytes.Buffer, iv reflect.Value) {
state.encodeUint(uint64(len(name)))
_, err := state.b.WriteString(name)
if err != nil {
- error(err)
+ error_(err)
}
// Define the type id if necessary.
enc.sendTypeDescriptor(enc.writer(), state, ut)
@@ -456,12 +456,12 @@ func (enc *Encoder) encodeInterface(b *bytes.Buffer, iv reflect.Value) {
data.Write(spaceForLength)
enc.encode(data, iv.Elem(), ut)
if enc.err != nil {
- error(enc.err)
+ error_(enc.err)
}
enc.popWriter()
enc.writeMessage(b, data)
if enc.err != nil {
- error(err)
+ error_(err)
}
enc.freeEncoderState(state)
}
@@ -494,7 +494,7 @@ func (enc *Encoder) encodeGobEncoder(b *bytes.Buffer, v reflect.Value) {
// We know it's a GobEncoder, so just call the method directly.
data, err := v.Interface().(GobEncoder).GobEncode()
if err != nil {
- error(err)
+ error_(err)
}
state := enc.newEncoderState(b)
state.fieldnum = -1
@@ -681,7 +681,7 @@ func (enc *Encoder) compileEnc(ut *userTypeInfo) *encEngine {
func (enc *Encoder) getEncEngine(ut *userTypeInfo) *encEngine {
info, err1 := getTypeInfo(ut)
if err1 != nil {
- error(err1)
+ error_(err1)
}
if info.encoder == nil {
// mark this engine as underway before compiling to handle recursive types.
diff --git a/libgo/go/gob/encoder.go b/libgo/go/gob/encoder.go
index 878d082..e4a48df 100644
--- a/libgo/go/gob/encoder.go
+++ b/libgo/go/gob/encoder.go
@@ -6,8 +6,8 @@ package gob
import (
"bytes"
+ "errors"
"io"
- "os"
"reflect"
"sync"
)
@@ -21,7 +21,7 @@ type Encoder struct {
countState *encoderState // stage for writing counts
freeList *encoderState // list of free encoderStates; avoids reallocation
byteBuf bytes.Buffer // buffer for top-level encoderState
- err os.Error
+ err error
}
// Before we encode a message, we reserve space at the head of the
@@ -55,10 +55,10 @@ func (enc *Encoder) popWriter() {
}
func (enc *Encoder) badType(rt reflect.Type) {
- enc.setError(os.NewError("gob: can't encode type " + rt.String()))
+ enc.setError(errors.New("gob: can't encode type " + rt.String()))
}
-func (enc *Encoder) setError(err os.Error) {
+func (enc *Encoder) setError(err error) {
if enc.err == nil { // remember the first.
enc.err = err
}
@@ -171,7 +171,7 @@ func (enc *Encoder) sendType(w io.Writer, state *encoderState, origt reflect.Typ
// Encode transmits the data item represented by the empty interface value,
// guaranteeing that all necessary type information has been transmitted first.
-func (enc *Encoder) Encode(e interface{}) os.Error {
+func (enc *Encoder) Encode(e interface{}) error {
return enc.EncodeValue(reflect.ValueOf(e))
}
@@ -215,7 +215,7 @@ func (enc *Encoder) sendTypeId(state *encoderState, ut *userTypeInfo) {
// EncodeValue transmits the data item represented by the reflection value,
// guaranteeing that all necessary type information has been transmitted first.
-func (enc *Encoder) EncodeValue(value reflect.Value) os.Error {
+func (enc *Encoder) EncodeValue(value reflect.Value) error {
// Make sure we're single-threaded through here, so multiple
// goroutines can share an encoder.
enc.mutex.Lock()
diff --git a/libgo/go/gob/encoder_test.go b/libgo/go/gob/encoder_test.go
index 98c0c97..bc5af12 100644
--- a/libgo/go/gob/encoder_test.go
+++ b/libgo/go/gob/encoder_test.go
@@ -8,7 +8,6 @@ import (
"bytes"
"fmt"
"io"
- "os"
"reflect"
"strings"
"testing"
@@ -116,7 +115,7 @@ func TestWrongTypeDecoder(t *testing.T) {
badTypeCheck(new(ET4), true, "different type of field", t)
}
-func corruptDataCheck(s string, err os.Error, t *testing.T) {
+func corruptDataCheck(s string, err error, t *testing.T) {
b := bytes.NewBufferString(s)
dec := NewDecoder(b)
err1 := dec.Decode(new(ET2))
@@ -127,7 +126,7 @@ func corruptDataCheck(s string, err os.Error, t *testing.T) {
// Check that we survive bad data.
func TestBadData(t *testing.T) {
- corruptDataCheck("", os.EOF, t)
+ corruptDataCheck("", io.EOF, t)
corruptDataCheck("\x7Fhi", io.ErrUnexpectedEOF, t)
corruptDataCheck("\x03now is the time for all good men", errBadType, t)
}
@@ -149,7 +148,7 @@ func TestUnsupported(t *testing.T) {
}
}
-func encAndDec(in, out interface{}) os.Error {
+func encAndDec(in, out interface{}) error {
b := new(bytes.Buffer)
enc := NewEncoder(b)
err := enc.Encode(in)
@@ -225,7 +224,7 @@ func TestValueError(t *testing.T) {
}
t4p := &Type4{3}
var t4 Type4 // note: not a pointer.
- if err := encAndDec(t4p, t4); err == nil || strings.Index(err.String(), "pointer") < 0 {
+ if err := encAndDec(t4p, t4); err == nil || strings.Index(err.Error(), "pointer") < 0 {
t.Error("expected error about pointer; got", err)
}
}
@@ -333,7 +332,7 @@ func TestSingletons(t *testing.T) {
t.Errorf("expected error decoding %v: %s", test.in, test.err)
continue
case err != nil && test.err != "":
- if strings.Index(err.String(), test.err) < 0 {
+ if strings.Index(err.Error(), test.err) < 0 {
t.Errorf("wrong error decoding %v: wanted %s, got %v", test.in, test.err, err)
}
continue
@@ -359,7 +358,7 @@ func TestStructNonStruct(t *testing.T) {
var ns NonStruct
if err := encAndDec(s, &ns); err == nil {
t.Error("should get error for struct/non-struct")
- } else if strings.Index(err.String(), "type") < 0 {
+ } else if strings.Index(err.Error(), "type") < 0 {
t.Error("for struct/non-struct expected type error; got", err)
}
// Now try the other way
@@ -369,7 +368,7 @@ func TestStructNonStruct(t *testing.T) {
}
if err := encAndDec(ns, &s); err == nil {
t.Error("should get error for non-struct/struct")
- } else if strings.Index(err.String(), "type") < 0 {
+ } else if strings.Index(err.Error(), "type") < 0 {
t.Error("for non-struct/struct expected type error; got", err)
}
}
@@ -524,7 +523,7 @@ type Bug1Elem struct {
type Bug1StructMap map[string]Bug1Elem
-func bug1EncDec(in Bug1StructMap, out *Bug1StructMap) os.Error {
+func bug1EncDec(in Bug1StructMap, out *Bug1StructMap) error {
return nil
}
@@ -634,7 +633,7 @@ func TestBadCount(t *testing.T) {
b := []byte{0xfb, 0xa5, 0x82, 0x2f, 0xca, 0x1}
if err := NewDecoder(bytes.NewBuffer(b)).Decode(nil); err == nil {
t.Error("expected error from bad count")
- } else if err.String() != errBadCount.String() {
+ } else if err.Error() != errBadCount.Error() {
t.Error("expected bad count error; got", err)
}
}
diff --git a/libgo/go/gob/error.go b/libgo/go/gob/error.go
index 106543d..fbae8b6 100644
--- a/libgo/go/gob/error.go
+++ b/libgo/go/gob/error.go
@@ -4,37 +4,34 @@
package gob
-import (
- "fmt"
- "os"
-)
+import "fmt"
// Errors in decoding and encoding are handled using panic and recover.
// Panics caused by user error (that is, everything except run-time panics
// such as "index out of bounds" errors) do not leave the file that caused
-// them, but are instead turned into plain os.Error returns. Encoding and
-// decoding functions and methods that do not return an os.Error either use
+// them, but are instead turned into plain error returns. Encoding and
+// decoding functions and methods that do not return an error either use
// panic to report an error or are guaranteed error-free.
-// A gobError wraps an os.Error and is used to distinguish errors (panics) generated in this package.
+// A gobError is used to distinguish errors (panics) generated in this package.
type gobError struct {
- err os.Error
+ err error
}
-// errorf is like error but takes Printf-style arguments to construct an os.Error.
+// errorf is like error_ but takes Printf-style arguments to construct an error.
// It always prefixes the message with "gob: ".
func errorf(format string, args ...interface{}) {
- error(fmt.Errorf("gob: "+format, args...))
+ error_(fmt.Errorf("gob: "+format, args...))
}
// error wraps the argument error and uses it as the argument to panic.
-func error(err os.Error) {
+func error_(err error) {
panic(gobError{err})
}
// catchError is meant to be used as a deferred function to turn a panic(gobError) into a
-// plain os.Error. It overwrites the error return of the function that deferred its call.
-func catchError(err *os.Error) {
+// plain error. It overwrites the error return of the function that deferred its call.
+func catchError(err *error) {
if e := recover(); e != nil {
*err = e.(gobError).err // Will re-panic if not one of our errors, such as a runtime error.
}
diff --git a/libgo/go/gob/gobencdec_test.go b/libgo/go/gob/gobencdec_test.go
index 01addbe..eacfd84 100644
--- a/libgo/go/gob/gobencdec_test.go
+++ b/libgo/go/gob/gobencdec_test.go
@@ -8,8 +8,9 @@ package gob
import (
"bytes"
+ "errors"
"fmt"
- "os"
+ "io"
"strings"
"testing"
)
@@ -34,7 +35,7 @@ type ValueGobber string // encodes with a value, decodes with a pointer.
// The relevant methods
-func (g *ByteStruct) GobEncode() ([]byte, os.Error) {
+func (g *ByteStruct) GobEncode() ([]byte, error) {
b := make([]byte, 3)
b[0] = g.a
b[1] = g.a + 1
@@ -42,68 +43,68 @@ func (g *ByteStruct) GobEncode() ([]byte, os.Error) {
return b, nil
}
-func (g *ByteStruct) GobDecode(data []byte) os.Error {
+func (g *ByteStruct) GobDecode(data []byte) error {
if g == nil {
- return os.NewError("NIL RECEIVER")
+ return errors.New("NIL RECEIVER")
}
// Expect N sequential-valued bytes.
if len(data) == 0 {
- return os.EOF
+ return io.EOF
}
g.a = data[0]
for i, c := range data {
if c != g.a+byte(i) {
- return os.NewError("invalid data sequence")
+ return errors.New("invalid data sequence")
}
}
return nil
}
-func (g *StringStruct) GobEncode() ([]byte, os.Error) {
+func (g *StringStruct) GobEncode() ([]byte, error) {
return []byte(g.s), nil
}
-func (g *StringStruct) GobDecode(data []byte) os.Error {
+func (g *StringStruct) GobDecode(data []byte) error {
// Expect N sequential-valued bytes.
if len(data) == 0 {
- return os.EOF
+ return io.EOF
}
a := data[0]
for i, c := range data {
if c != a+byte(i) {
- return os.NewError("invalid data sequence")
+ return errors.New("invalid data sequence")
}
}
g.s = string(data)
return nil
}
-func (a *ArrayStruct) GobEncode() ([]byte, os.Error) {
+func (a *ArrayStruct) GobEncode() ([]byte, error) {
return a.a[:], nil
}
-func (a *ArrayStruct) GobDecode(data []byte) os.Error {
+func (a *ArrayStruct) GobDecode(data []byte) error {
if len(data) != len(a.a) {
- return os.NewError("wrong length in array decode")
+ return errors.New("wrong length in array decode")
}
copy(a.a[:], data)
return nil
}
-func (g *Gobber) GobEncode() ([]byte, os.Error) {
+func (g *Gobber) GobEncode() ([]byte, error) {
return []byte(fmt.Sprintf("VALUE=%d", *g)), nil
}
-func (g *Gobber) GobDecode(data []byte) os.Error {
+func (g *Gobber) GobDecode(data []byte) error {
_, err := fmt.Sscanf(string(data), "VALUE=%d", (*int)(g))
return err
}
-func (v ValueGobber) GobEncode() ([]byte, os.Error) {
+func (v ValueGobber) GobEncode() ([]byte, error) {
return []byte(fmt.Sprintf("VALUE=%s", v)), nil
}
-func (v *ValueGobber) GobDecode(data []byte) os.Error {
+func (v *ValueGobber) GobDecode(data []byte) error {
_, err := fmt.Sscanf(string(data), "VALUE=%s", (*string)(v))
return err
}
@@ -372,7 +373,7 @@ func TestGobEncoderFieldTypeError(t *testing.T) {
if err == nil {
t.Fatal("expected decode error for mismatched fields (encoder to non-decoder)")
}
- if strings.Index(err.String(), "type") < 0 {
+ if strings.Index(err.Error(), "type") < 0 {
t.Fatal("expected type error; got", err)
}
// Non-encoder to GobDecoder: error
@@ -386,7 +387,7 @@ func TestGobEncoderFieldTypeError(t *testing.T) {
if err == nil {
t.Fatal("expected decode error for mismatched fields (non-encoder to decoder)")
}
- if strings.Index(err.String(), "type") < 0 {
+ if strings.Index(err.Error(), "type") < 0 {
t.Fatal("expected type error; got", err)
}
}
@@ -497,11 +498,11 @@ func (br *gobDecoderBug0) String() string {
return br.foo + "-" + br.bar
}
-func (br *gobDecoderBug0) GobEncode() ([]byte, os.Error) {
+func (br *gobDecoderBug0) GobEncode() ([]byte, error) {
return []byte(br.String()), nil
}
-func (br *gobDecoderBug0) GobDecode(b []byte) os.Error {
+func (br *gobDecoderBug0) GobDecode(b []byte) error {
br.foo = "foo"
br.bar = "bar"
return nil
diff --git a/libgo/go/gob/timing_test.go b/libgo/go/gob/timing_test.go
index 2a2be73..47437a6 100644
--- a/libgo/go/gob/timing_test.go
+++ b/libgo/go/gob/timing_test.go
@@ -39,7 +39,7 @@ func benchmarkEndToEnd(r io.Reader, w io.Writer, b *testing.B) {
func BenchmarkEndToEndPipe(b *testing.B) {
r, w, err := os.Pipe()
if err != nil {
- panic("can't get pipe:" + err.String())
+ panic("can't get pipe:" + err.Error())
}
benchmarkEndToEnd(r, w, b)
}
diff --git a/libgo/go/gob/type.go b/libgo/go/gob/type.go
index 870101e..c3bc7c7 100644
--- a/libgo/go/gob/type.go
+++ b/libgo/go/gob/type.go
@@ -5,6 +5,7 @@
package gob
import (
+ "errors"
"fmt"
"os"
"reflect"
@@ -36,7 +37,7 @@ var (
// validType returns, and saves, the information associated with user-provided type rt.
// If the user type is not valid, err will be non-nil. To be used when the error handler
// is not set up.
-func validUserType(rt reflect.Type) (ut *userTypeInfo, err os.Error) {
+func validUserType(rt reflect.Type) (ut *userTypeInfo, err error) {
userTypeLock.RLock()
ut = userTypeCache[rt]
userTypeLock.RUnlock()
@@ -67,7 +68,7 @@ func validUserType(rt reflect.Type) (ut *userTypeInfo, err os.Error) {
ut.base = pt.Elem()
if ut.base == slowpoke { // ut.base lapped slowpoke
// recursive pointer type.
- return nil, os.NewError("can't represent recursive pointer type " + ut.base.String())
+ return nil, errors.New("can't represent recursive pointer type " + ut.base.String())
}
if ut.indir%2 == 0 {
slowpoke = slowpoke.Elem()
@@ -125,7 +126,7 @@ func implementsInterface(typ, gobEncDecType reflect.Type) (success bool, indir i
func userType(rt reflect.Type) *userTypeInfo {
ut, err := validUserType(rt)
if err != nil {
- error(err)
+ error_(err)
}
return ut
}
@@ -396,12 +397,12 @@ func newStructType(name string) *structType {
// of ut.
// This is only called from the encoding side. The decoding side
// works through typeIds and userTypeInfos alone.
-func newTypeObject(name string, ut *userTypeInfo, rt reflect.Type) (gobType, os.Error) {
+func newTypeObject(name string, ut *userTypeInfo, rt reflect.Type) (gobType, error) {
// Does this type implement GobEncoder?
if ut.isGobEncoder {
return newGobEncoderType(name), nil
}
- var err os.Error
+ var err error
var type0, type1 gobType
defer func() {
if err != nil {
@@ -503,7 +504,7 @@ func newTypeObject(name string, ut *userTypeInfo, rt reflect.Type) (gobType, os.
return st, nil
default:
- return nil, os.NewError("gob NewTypeObject can't handle type: " + rt.String())
+ return nil, errors.New("gob NewTypeObject can't handle type: " + rt.String())
}
return nil, nil
}
@@ -516,7 +517,7 @@ func isExported(name string) bool {
// getBaseType returns the Gob type describing the given reflect.Type's base type.
// typeLock must be held.
-func getBaseType(name string, rt reflect.Type) (gobType, os.Error) {
+func getBaseType(name string, rt reflect.Type) (gobType, error) {
ut := userType(rt)
return getType(name, ut, ut.base)
}
@@ -526,7 +527,7 @@ func getBaseType(name string, rt reflect.Type) (gobType, os.Error) {
// which may be pointers. All other types are handled through the
// base type, never a pointer.
// typeLock must be held.
-func getType(name string, ut *userTypeInfo, rt reflect.Type) (gobType, os.Error) {
+func getType(name string, ut *userTypeInfo, rt reflect.Type) (gobType, error) {
typ, present := types[rt]
if present {
return typ, nil
@@ -609,7 +610,7 @@ type typeInfo struct {
var typeInfoMap = make(map[reflect.Type]*typeInfo) // protected by typeLock
// typeLock must be held.
-func getTypeInfo(ut *userTypeInfo) (*typeInfo, os.Error) {
+func getTypeInfo(ut *userTypeInfo) (*typeInfo, error) {
rt := ut.base
if ut.isGobEncoder {
// We want the user type, not the base type.
@@ -658,7 +659,7 @@ func getTypeInfo(ut *userTypeInfo) (*typeInfo, os.Error) {
func mustGetTypeInfo(rt reflect.Type) *typeInfo {
t, err := getTypeInfo(userType(rt))
if err != nil {
- panic("getTypeInfo: " + err.String())
+ panic("getTypeInfo: " + err.Error())
}
return t
}
@@ -678,7 +679,7 @@ type GobEncoder interface {
// GobEncode returns a byte slice representing the encoding of the
// receiver for transmission to a GobDecoder, usually of the same
// concrete type.
- GobEncode() ([]byte, os.Error)
+ GobEncode() ([]byte, error)
}
// GobDecoder is the interface describing data that provides its own
@@ -687,7 +688,7 @@ type GobDecoder interface {
// GobDecode overwrites the receiver, which must be a pointer,
// with the value represented by the byte slice, which was written
// by GobEncode, usually for the same concrete type.
- GobDecode([]byte) os.Error
+ GobDecode([]byte) error
}
var (
diff --git a/libgo/go/gob/type_test.go b/libgo/go/gob/type_test.go
index 411ffb7..a6ac9c4 100644
--- a/libgo/go/gob/type_test.go
+++ b/libgo/go/gob/type_test.go
@@ -28,7 +28,7 @@ func getTypeUnlocked(name string, rt reflect.Type) gobType {
defer typeLock.Unlock()
t, err := getBaseType(name, rt)
if err != nil {
- panic("getTypeUnlocked: " + err.String())
+ panic("getTypeUnlocked: " + err.Error())
}
return t
}
generated by cgit v1.1 at 2025-03-01 03:52:05 +0000