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| author | Ayke van Laethem <[email protected]> | 2021-05-22 18:20:26 +0200 |
|---|---|---|
| committer | Ron Evans <[email protected]> | 2021-05-22 21:41:06 +0200 |
| commit | c8742e2b9655ef0cc18ab7c5daa9cd370e3ea80b (patch) | |
| tree | a560103ad9fcaf8c3a3e7af548cd76ca624839a6 /src/reflect/swapper.go | |
| parent | 711889bc3fc8237dfb56c79befa11f984fb3e605 (diff) | |
| download | tinygo-c8742e2b9655ef0cc18ab7c5daa9cd370e3ea80b.tar.gz tinygo-c8742e2b9655ef0cc18ab7c5daa9cd370e3ea80b.zip | |
reflect: use SliceHeader and StringHeader variant for internal use
These variants uses an unsafe.Pointer instead of uintptr so that the
pointer/non-pointer fields match those of real slices and strings. This
may be necessary in the future once we switch to a precise garbage
collector.
Diffstat (limited to 'src/reflect/swapper.go')
| -rw-r--r-- | src/reflect/swapper.go | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/reflect/swapper.go b/src/reflect/swapper.go index f3baaede5..82842de96 100644 --- a/src/reflect/swapper.go +++ b/src/reflect/swapper.go @@ -24,15 +24,15 @@ func Swapper(slice interface{}) func(i, j int) { typ := v.typecode.Elem() size := typ.Size() - header := (*SliceHeader)(v.value) + header := (*sliceHeader)(v.value) tmp := unsafe.Pointer(&make([]byte, size)[0]) return func(i, j int) { - if uint(i) >= uint(header.Len) || uint(j) >= uint(header.Len) { + if uint(i) >= uint(header.len) || uint(j) >= uint(header.len) { panic("reflect: slice index out of range") } - val1 := unsafe.Pointer(header.Data + uintptr(i)*size) - val2 := unsafe.Pointer(header.Data + uintptr(j)*size) + val1 := unsafe.Pointer(uintptr(header.data) + uintptr(i)*size) + val2 := unsafe.Pointer(uintptr(header.data) + uintptr(j)*size) memcpy(tmp, val1, size) memcpy(val1, val2, size) memcpy(val2, tmp, size) |