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Represent more types as JS TypedArrays (#20411)

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* Represent `array[N, char]` as JS `UInt8Array(N)`

* Add support distinct and range types

* Add support for bools and enums
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Amjad Ben Hedhili 2022-09-26 11:26:28 +01:00 • committed by GitHub
commit 40dae8c731
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1 changed files with 8 additions and 2 deletions
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10
compiler/jsgen.nim
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@ -1742,16 +1742,22 @@ proc createObjInitList(p: PProc, typ: PType, excludedFieldIDs: IntSet, output: v
t = t[0] t = t[0]
proc arrayTypeForElemType(typ: PType): string = proc arrayTypeForElemType(typ: PType): string =
# XXX This should also support tyEnum and tyBool let typ = typ.skipTypes(abstractRange)
case typ.kind case typ.kind
of tyInt, tyInt32: "Int32Array" of tyInt, tyInt32: "Int32Array"
of tyInt16: "Int16Array" of tyInt16: "Int16Array"
of tyInt8: "Int8Array" of tyInt8: "Int8Array"
of tyUInt, tyUInt32: "Uint32Array" of tyUInt, tyUInt32: "Uint32Array"
of tyUInt16: "Uint16Array" of tyUInt16: "Uint16Array"
of tyUInt8: "Uint8Array" of tyUInt8, tyChar, tyBool: "Uint8Array"
of tyFloat32: "Float32Array" of tyFloat32: "Float32Array"
of tyFloat64, tyFloat: "Float64Array" of tyFloat64, tyFloat: "Float64Array"
of tyEnum:
case typ.size
of 1: "Uint8Array"
of 2: "Uint16Array"
of 4: "Uint32Array"
else: ""
else: "" else: ""
proc createVar(p: PProc, typ: PType, indirect: bool): Rope = proc createVar(p: PProc, typ: PType, indirect: bool): Rope =