diff options
Diffstat (limited to 'src/lib/reflect/value.go')
-rw-r--r-- | src/lib/reflect/value.go | 120 |
1 files changed, 49 insertions, 71 deletions
diff --git a/src/lib/reflect/value.go b/src/lib/reflect/value.go index 65d4b5ca9..04570803c 100644 --- a/src/lib/reflect/value.go +++ b/src/lib/reflect/value.go @@ -9,34 +9,10 @@ package reflect import ( "reflect"; + "unsafe"; ) -type Addr uint64 // TODO: where are ptrint/intptr etc? - -// Conversion functions, implemented in assembler -type RuntimeArray struct -func AddrToPtrAddr(Addr) *Addr -func AddrToPtrInt(Addr) *int -func AddrToPtrInt8(Addr) *int8 -func AddrToPtrInt16(Addr) *int16 -func AddrToPtrInt32(Addr) *int32 -func AddrToPtrInt64(Addr) *int64 -func AddrToPtrUint(Addr) *uint -func AddrToPtrUint8(Addr) *uint8 -func PtrUint8ToAddr(*uint8) Addr -func AddrToPtrUint16(Addr) *uint16 -func AddrToPtrUint32(Addr) *uint32 -func AddrToPtrUint64(Addr) *uint64 -func PtrUint64ToAddr(*uint64) Addr -func AddrToPtrFloat(Addr) *float -func AddrToPtrFloat32(Addr) *float32 -func AddrToPtrFloat64(Addr) *float64 -func AddrToPtrFloat80(Addr) *float80 -func AddrToPtrString(Addr) *string -func AddrToPtrBool(Addr) *bool -func AddrToPtrRuntimeArray(Addr) *RuntimeArray -func PtrRuntimeArrayToAddr(*RuntimeArray) Addr -func AddrToPtrInterface(Addr) *interface{} +type Addr unsafe.pointer // TODO: where are ptrint/intptr etc? export type Value interface { Kind() int; @@ -66,7 +42,7 @@ func (c *Common) Addr() Addr { } func (c *Common) Interface() interface {} { - return sys.unreflect(*AddrToPtrAddr(c.addr), c.typ.String()); + return sys.unreflect(uint64(uintptr(*c.addr.(*Addr))), c.typ.String()); } func NewValueAddr(typ Type, addr Addr) Value @@ -107,11 +83,11 @@ func IntCreator(typ Type, addr Addr) Value { } func (v *IntValueStruct) Get() int { - return *AddrToPtrInt(v.addr) + return *v.addr.(*int) } func (v *IntValueStruct) Set(i int) { - *AddrToPtrInt(v.addr) = i + *v.addr.(*int) = i } // -- Int8 @@ -132,11 +108,11 @@ func Int8Creator(typ Type, addr Addr) Value { } func (v *Int8ValueStruct) Get() int8 { - return *AddrToPtrInt8(v.addr) + return *v.addr.(*int8) } func (v *Int8ValueStruct) Set(i int8) { - *AddrToPtrInt8(v.addr) = i + *v.addr.(*int8) = i } // -- Int16 @@ -157,11 +133,11 @@ func Int16Creator(typ Type, addr Addr) Value { } func (v *Int16ValueStruct) Get() int16 { - return *AddrToPtrInt16(v.addr) + return *v.addr.(*int16) } func (v *Int16ValueStruct) Set(i int16) { - *AddrToPtrInt16(v.addr) = i + *v.addr.(*int16) = i } // -- Int32 @@ -182,11 +158,11 @@ func Int32Creator(typ Type, addr Addr) Value { } func (v *Int32ValueStruct) Get() int32 { - return *AddrToPtrInt32(v.addr) + return *v.addr.(*int32) } func (v *Int32ValueStruct) Set(i int32) { - *AddrToPtrInt32(v.addr) = i + *v.addr.(*int32) = i } // -- Int64 @@ -207,11 +183,11 @@ func Int64Creator(typ Type, addr Addr) Value { } func (v *Int64ValueStruct) Get() int64 { - return *AddrToPtrInt64(v.addr) + return *v.addr.(*int64) } func (v *Int64ValueStruct) Set(i int64) { - *AddrToPtrInt64(v.addr) = i + *v.addr.(*int64) = i } // -- Uint @@ -232,11 +208,11 @@ func UintCreator(typ Type, addr Addr) Value { } func (v *UintValueStruct) Get() uint { - return *AddrToPtrUint(v.addr) + return *v.addr.(*uint) } func (v *UintValueStruct) Set(i uint) { - *AddrToPtrUint(v.addr) = i + *v.addr.(*uint) = i } // -- Uint8 @@ -257,11 +233,11 @@ func Uint8Creator(typ Type, addr Addr) Value { } func (v *Uint8ValueStruct) Get() uint8 { - return *AddrToPtrUint8(v.addr) + return *v.addr.(*uint8) } func (v *Uint8ValueStruct) Set(i uint8) { - *AddrToPtrUint8(v.addr) = i + *v.addr.(*uint8) = i } // -- Uint16 @@ -282,11 +258,11 @@ func Uint16Creator(typ Type, addr Addr) Value { } func (v *Uint16ValueStruct) Get() uint16 { - return *AddrToPtrUint16(v.addr) + return *v.addr.(*uint16) } func (v *Uint16ValueStruct) Set(i uint16) { - *AddrToPtrUint16(v.addr) = i + *v.addr.(*uint16) = i } // -- Uint32 @@ -307,11 +283,11 @@ func Uint32Creator(typ Type, addr Addr) Value { } func (v *Uint32ValueStruct) Get() uint32 { - return *AddrToPtrUint32(v.addr) + return *v.addr.(*uint32) } func (v *Uint32ValueStruct) Set(i uint32) { - *AddrToPtrUint32(v.addr) = i + *v.addr.(*uint32) = i } // -- Uint64 @@ -332,11 +308,11 @@ func Uint64Creator(typ Type, addr Addr) Value { } func (v *Uint64ValueStruct) Get() uint64 { - return *AddrToPtrUint64(v.addr) + return *v.addr.(*uint64) } func (v *Uint64ValueStruct) Set(i uint64) { - *AddrToPtrUint64(v.addr) = i + *v.addr.(*uint64) = i } // -- Float @@ -357,11 +333,11 @@ func FloatCreator(typ Type, addr Addr) Value { } func (v *FloatValueStruct) Get() float { - return *AddrToPtrFloat(v.addr) + return *v.addr.(*float) } func (v *FloatValueStruct) Set(f float) { - *AddrToPtrFloat(v.addr) = f + *v.addr.(*float) = f } // -- Float32 @@ -382,11 +358,11 @@ func Float32Creator(typ Type, addr Addr) Value { } func (v *Float32ValueStruct) Get() float32 { - return *AddrToPtrFloat32(v.addr) + return *v.addr.(*float32) } func (v *Float32ValueStruct) Set(f float32) { - *AddrToPtrFloat32(v.addr) = f + *v.addr.(*float32) = f } // -- Float64 @@ -407,11 +383,11 @@ func Float64Creator(typ Type, addr Addr) Value { } func (v *Float64ValueStruct) Get() float64 { - return *AddrToPtrFloat64(v.addr) + return *v.addr.(*float64) } func (v *Float64ValueStruct) Set(f float64) { - *AddrToPtrFloat64(v.addr) = f + *v.addr.(*float64) = f } // -- Float80 @@ -434,12 +410,11 @@ func Float80Creator(typ Type, addr Addr) Value { /* BUG: can't gen code for float80s func (v *Float80ValueStruct) Get() float80 { - return *AddrToPtrFloat80(v.addr) - return 0; + return *v.addr.(*float80) } func (v *Float80ValueStruct) Set(f float80) { - *AddrToPtrFloat80(v.addr) = f + *v.addr.(*float80) = f } */ @@ -461,11 +436,11 @@ func StringCreator(typ Type, addr Addr) Value { } func (v *StringValueStruct) Get() string { - return *AddrToPtrString(v.addr) + return *v.addr.(*string) } func (v *StringValueStruct) Set(s string) { - *AddrToPtrString(v.addr) = s + *v.addr.(*string) = s } // -- Bool @@ -486,11 +461,11 @@ func BoolCreator(typ Type, addr Addr) Value { } func (v *BoolValueStruct) Get() bool { - return *AddrToPtrBool(v.addr) + return *v.addr.(*bool) } func (v *BoolValueStruct) Set(b bool) { - *AddrToPtrBool(v.addr) = b + *v.addr.(*bool) = b } // -- Pointer @@ -508,7 +483,7 @@ type PtrValueStruct struct { } func (v *PtrValueStruct) Get() Addr { - return *AddrToPtrAddr(v.addr) + return *v.addr.(*Addr) } func (v *PtrValueStruct) Sub() Value { @@ -521,7 +496,7 @@ func (v *PtrValueStruct) SetSub(subv Value) { if a != b { panicln("reflect: incompatible types in PtrValue.SetSub:", a, b); } - *AddrToPtrAddr(v.addr) = subv.Addr(); + *v.addr.(*Addr) = subv.Addr(); } func PtrCreator(typ Type, addr Addr) Value { @@ -581,7 +556,8 @@ func (v *OpenArrayValueStruct) SetLen(len int) { } func (v *OpenArrayValueStruct) Elem(i int) Value { - return NewValueAddr(v.elemtype, v.array.data + Addr(i * v.elemsize)); + data_uint := uintptr(v.array.data) + uintptr(i * v.elemsize); + return NewValueAddr(v.elemtype, Addr(data_uint)); } type FixedArrayValueStruct struct { @@ -607,7 +583,8 @@ func (v *FixedArrayValueStruct) SetLen(len int) { } func (v *FixedArrayValueStruct) Elem(i int) Value { - return NewValueAddr(v.elemtype, v.addr + Addr(i * v.elemsize)); + data_uint := uintptr(v.addr) + uintptr(i * v.elemsize); + return NewValueAddr(v.elemtype, Addr(data_uint)); return nil } @@ -620,7 +597,7 @@ func ArrayCreator(typ Type, addr Addr) Value { v.typ = typ; v.elemtype = arraytype.Elem(); v.elemsize = v.elemtype.Size(); - v.array = AddrToPtrRuntimeArray(addr); + v.array = addr.(*RuntimeArray); return v; } v := new(FixedArrayValueStruct); @@ -702,7 +679,8 @@ func StructCreator(typ Type, addr Addr) Value { v := &StructValueStruct{ Common{StructKind, typ, addr}, new([]Value, nfield) }; for i := 0; i < nfield; i++ { name, ftype, str, offset := t.Field(i); - v.field[i] = NewValueAddr(ftype, addr + Addr(offset)); + addr_uint := uintptr(addr) + uintptr(offset); + v.field[i] = NewValueAddr(ftype, Addr(addr_uint)); } v.typ = typ; return v; @@ -721,7 +699,7 @@ type InterfaceValueStruct struct { } func (v *InterfaceValueStruct) Get() interface{} { - return *AddrToPtrInterface(v.addr); + return *v.addr.(*interface{}) } func InterfaceCreator(typ Type, addr Addr) Value { @@ -799,7 +777,7 @@ export func NewInitValue(typ Type) Value { size = 1; } data := new([]uint8, size); - return NewValueAddr(typ, PtrUint8ToAddr(&data[0])); + return NewValueAddr(typ, Addr(&data[0])); } /* @@ -821,11 +799,11 @@ export func NewOpenArrayValue(typ ArrayType, len, cap int) ArrayValue { size = 1; } data := new([]uint8, size); - array.data = PtrUint8ToAddr(&data[0]); + array.data = Addr(&data[0]); array.len = uint32(len); array.cap = uint32(cap); - return NewValueAddr(typ, PtrRuntimeArrayToAddr(array)); + return NewValueAddr(typ, Addr(array)); } export func NewValue(e interface {}) Value { @@ -841,5 +819,5 @@ export func NewValue(e interface {}) Value { // so we can modify the contents. Values contain pointers to 'values'. ap := new(uint64); *ap = value; - return NewValueAddr(*p, PtrUint64ToAddr(ap)); + return NewValueAddr(*p, ap.(Addr)); } |