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Add support for layouts being passed to size-of and align-of

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Joshua Suskalo 2022-01-18 13:28:00 -06:00
parent 7350a5df1c
commit b960c01bb3
1 changed files with 9 additions and 5 deletions
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14
src/clj/coffi/mem.clj
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@ -378,18 +378,22 @@
If a type serializes to a primitive it returns return a Java primitive type. If a type serializes to a primitive it returns return a Java primitive type.
Otherwise, it returns [[MemorySegment]]." Otherwise, it returns [[MemorySegment]]."
[type] ^Class [type]
(java-prim-layout (or (primitive-type type) type) MemorySegment)) (java-prim-layout (or (primitive-type type) type) MemorySegment))
(defn size-of (defn size-of
"The size in bytes of the given `type`." "The size in bytes of the given `type`."
[type] ^long [type]
(.byteSize ^MemoryLayout (c-layout type))) (let [t (cond-> type
(not (instance? MemoryLayout type)) c-layout)]
(.byteSize ^MemoryLayout t)))
(defn align-of (defn align-of
"The alignment in bytes of the given `type`." "The alignment in bytes of the given `type`."
[type] ^long [type]
(.byteAlignment ^MemoryLayout (c-layout type))) (let [t (cond-> type
(not (instance? MemoryLayout type)) c-layout)]
(.byteAlignment ^MemoryLayout t)))
(defn alloc-instance (defn alloc-instance
"Allocates a memory segment for the given `type`." "Allocates a memory segment for the given `type`."