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internal/lib/reflect: fix Int/Uint/Float flagIndir

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This commit is contained in:
visualfc
2024-12-13 11:04:19 +08:00
parent 0c2f6c46f6
commit d2d8bd550a
2 changed files with 26 additions and 22 deletions
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44
runtime/internal/lib/reflect/value.go
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@@ -623,7 +623,7 @@ func (v Value) CanFloat() bool {
// It panics if v's Kind is not Float32 or Float64
func (v Value) Float() float64 {
k := v.kind()
if v.flag&flagAddr != 0 {
if v.flag&flagIndir != 0 {
switch k {
case Float32:
return float64(*(*float32)(v.ptr))
@@ -635,7 +635,11 @@ func (v Value) Float() float64 {
case Float32:
return float64(bitcast.ToFloat32(uintptr(v.ptr)))
case Float64:
return bitcast.ToFloat64(uintptr(v.ptr))
if is64bit {
return bitcast.ToFloat64(uintptr(v.ptr))
} else {
return *(*float64)(v.ptr)
}
}
}
panic(&ValueError{"reflect.Value.Float", v.kind()})
@@ -705,7 +709,7 @@ func (v Value) Int() int64 {
f := v.flag
k := f.kind()
p := v.ptr
if f&flagAddr != 0 {
if f&flagIndir != 0 {
switch k {
case Int:
return int64(*(*int)(p))
@@ -718,16 +722,16 @@ func (v Value) Int() int64 {
case Int64:
return *(*int64)(p)
}
} else if unsafe.Sizeof(uintptr(0)) == 8 {
if k >= Int && k <= Int64 {
return int64(uintptr(p))
}
} else {
if k >= Int && k <= Int32 {
switch k {
case Int, Int8, Int16, Int32:
return int64(uintptr(p))
}
if k == Int64 {
return *(*int64)(p)
case Int64:
if is64bit {
return int64(uintptr(p))
} else {
return *(*int64)(p)
}
}
}
panic(&ValueError{"reflect.Value.Int", v.kind()})
@@ -1558,7 +1562,7 @@ func (v Value) Uint() uint64 {
f := v.flag
k := v.kind()
p := v.ptr
if f&flagAddr != 0 {
if f&flagIndir != 0 {
switch k {
case Uint:
return uint64(*(*uint)(p))
@@ -1573,16 +1577,16 @@ func (v Value) Uint() uint64 {
case Uintptr:
return uint64(*(*uintptr)(p))
}
} else if unsafe.Sizeof(uintptr(0)) == 8 {
if k >= Uint && k <= Uintptr {
return uint64(uintptr(p))
}
} else {
if k >= Uint && k <= Uint32 {
switch k {
case Uint, Uint8, Uint16, Uint32:
return uint64(uintptr(p))
}
if k == Uint64 || k == Uintptr {
return *(*uint64)(p)
case Uint64, Uintptr:
if is64bit {
return uint64(uintptr(p))
} else {
return *(*uint64)(p)
}
}
}
panic(&ValueError{"reflect.Value.Uint", v.kind()})