Type erase the internals of runtime.copy_*

This commit is contained in:
gingerBill
2025-09-29 15:12:55 +01:00
parent 17394d8b14
commit 9b4c0ea492

View File

@@ -70,31 +70,33 @@ init_global_temporary_allocator :: proc(size: int, backup_allocator := context.a
}
@(require_results)
copy_slice_raw :: proc "contextless" (dst, src: rawptr, dst_len, src_len, elem_size: int) -> int {
n := min(dst_len, src_len)
if n > 0 {
intrinsics.mem_copy(dst, src, n*elem_size)
}
return n
}
// `copy_slice` is a built-in procedure that copies elements from a source slice `src` to a destination slice `dst`.
// The source and destination may overlap. Copy returns the number of elements copied, which will be the minimum
// of len(src) and len(dst).
//
// Prefer the procedure group `copy`.
@builtin
copy_slice :: proc "contextless" (dst, src: $T/[]$E) -> int {
n := min(len(dst), len(src))
if n > 0 {
intrinsics.mem_copy(raw_data(dst), raw_data(src), n*size_of(E))
}
return n
copy_slice :: #force_inline proc "contextless" (dst, src: $T/[]$E) -> int {
return copy_slice_raw(raw_data(dst), raw_data(src), len(dst), len(src), size_of(E))
}
// `copy_from_string` is a built-in procedure that copies elements from a source string `src` to a destination slice `dst`.
// The source and destination may overlap. Copy returns the number of elements copied, which will be the minimum
// of len(src) and len(dst).
//
// Prefer the procedure group `copy`.
@builtin
copy_from_string :: proc "contextless" (dst: $T/[]$E/u8, src: $S/string) -> int {
n := min(len(dst), len(src))
if n > 0 {
intrinsics.mem_copy(raw_data(dst), raw_data(src), n)
}
return n
copy_from_string :: #force_inline proc "contextless" (dst: $T/[]$E/u8, src: $S/string) -> int {
return copy_slice_raw(raw_data(dst), raw_data(src), len(dst), len(src), 1)
}
// `copy_from_string16` is a built-in procedure that copies elements from a source string `src` to a destination slice `dst`.
@@ -103,12 +105,8 @@ copy_from_string :: proc "contextless" (dst: $T/[]$E/u8, src: $S/string) -> int
//
// Prefer the procedure group `copy`.
@builtin
copy_from_string16 :: proc "contextless" (dst: $T/[]$E/u16, src: $S/string16) -> int {
n := min(len(dst), len(src))
if n > 0 {
intrinsics.mem_copy(raw_data(dst), raw_data(src), n*size_of(u16))
}
return n
copy_from_string16 :: #force_inline proc "contextless" (dst: $T/[]$E/u16, src: $S/string16) -> int {
return copy_slice_raw(raw_data(dst), raw_data(src), len(dst), len(src), 2)
}
// `copy` is a built-in procedure that copies elements from a source slice/string `src` to a destination slice `dst`.