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