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This commit is contained in:
Jes Cok 2024-02-29 12:24:32 +08:00
parent 8d8e1e2b1c
commit acdc6ad51b
1 changed files with 44 additions and 44 deletions
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88
src/reflect/type.go
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@ -313,50 +313,6 @@ type rtype struct {
t abi.Type
}
func (t *rtype) OverflowComplex(x complex128) bool {
k := t.Kind()
switch k {
case Complex64:
return overflowFloat32(real(x)) || overflowFloat32(imag(x))
case Complex128:
return false
}
panic("reflect: OverflowComplex of non-complex type " + t.String())
}
func (t *rtype) OverflowFloat(x float64) bool {
k := t.Kind()
switch k {
case Float32:
return overflowFloat32(x)
case Float64:
return false
}
panic("reflect: OverflowFloat of non-float type " + t.String())
}
func (t *rtype) OverflowInt(x int64) bool {
k := t.Kind()
switch k {
case Int, Int8, Int16, Int32, Int64:
bitSize := t.Size() * 8
trunc := (x << (64 - bitSize)) >> (64 - bitSize)
return x != trunc
}
panic("reflect: OverflowInt of non-int type " + t.String())
}
func (t *rtype) OverflowUint(x uint64) bool {
k := t.Kind()
switch k {
case Uint, Uintptr, Uint8, Uint16, Uint32, Uint64:
bitSize := t.Size() * 8
trunc := (x << (64 - bitSize)) >> (64 - bitSize)
return x != trunc
}
panic("reflect: OverflowUint of non-uint type " + t.String())
}
func (t *rtype) common() *abi.Type {
return &t.t
}
@ -872,6 +828,50 @@ func (t *rtype) IsVariadic() bool {
return tt.IsVariadic()
}
func (t *rtype) OverflowComplex(x complex128) bool {
k := t.Kind()
switch k {
case Complex64:
return overflowFloat32(real(x)) || overflowFloat32(imag(x))
case Complex128:
return false
}
panic("reflect: OverflowComplex of non-complex type " + t.String())
}
func (t *rtype) OverflowFloat(x float64) bool {
k := t.Kind()
switch k {
case Float32:
return overflowFloat32(x)
case Float64:
return false
}
panic("reflect: OverflowFloat of non-float type " + t.String())
}
func (t *rtype) OverflowInt(x int64) bool {
k := t.Kind()
switch k {
case Int, Int8, Int16, Int32, Int64:
bitSize := t.Size() * 8
trunc := (x << (64 - bitSize)) >> (64 - bitSize)
return x != trunc
}
panic("reflect: OverflowInt of non-int type " + t.String())
}
func (t *rtype) OverflowUint(x uint64) bool {
k := t.Kind()
switch k {
case Uint, Uintptr, Uint8, Uint16, Uint32, Uint64:
bitSize := t.Size() * 8
trunc := (x << (64 - bitSize)) >> (64 - bitSize)
return x != trunc
}
panic("reflect: OverflowUint of non-uint type " + t.String())
}
// add returns p+x.
//
// The whySafe string is ignored, so that the function still inlines