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import WIT
struct StaticCanonicalLoading: CanonicalLoading {
typealias Operand = StaticMetaOperand
typealias Pointer = StaticMetaPointer
let printer: SourcePrinter
let builder: SwiftFunctionBuilder
private func loadByteSwappable(at pointer: Pointer, type: String) -> Operand {
let boundPointer = "\(pointer).assumingMemoryBound(to: \(type).self)"
let loadedVar = builder.variable("loaded")
printer.write(line: "let \(loadedVar) = \(boundPointer).pointee")
return .variable(loadedVar)
}
private func loadUInt(at pointer: Pointer, bitWidth: Int) -> Operand {
return loadByteSwappable(at: pointer, type: "UInt\(bitWidth)")
}
private func loadInt(at pointer: Pointer, bitWidth: Int) -> Operand {
let bitPattern = loadUInt(at: pointer, bitWidth: bitWidth)
return .call("Int\(bitWidth)", arguments: [("bitPattern", bitPattern)])
}
private func loadFloat(at pointer: Pointer, bitWidth: Int) -> Operand {
let bitPattern = loadUInt(at: pointer, bitWidth: bitWidth)
return .call("Float\(bitWidth)", arguments: [("bitPattern", bitPattern)])
}
func loadUInt8(at pointer: Pointer) -> Operand {
loadUInt(at: pointer, bitWidth: 8)
}
func loadUInt16(at pointer: Pointer) -> Operand {
loadUInt(at: pointer, bitWidth: 16)
}
func loadUInt32(at pointer: Pointer) -> Operand {
loadUInt(at: pointer, bitWidth: 32)
}
func loadUInt64(at pointer: Pointer) -> Operand {
loadUInt(at: pointer, bitWidth: 64)
}
func loadInt8(at pointer: Pointer) -> Operand {
loadInt(at: pointer, bitWidth: 8)
}
func loadInt16(at pointer: Pointer) -> Operand {
loadInt(at: pointer, bitWidth: 16)
}
func loadInt32(at pointer: Pointer) -> Operand {
loadInt(at: pointer, bitWidth: 32)
}
func loadInt64(at pointer: Pointer) -> Operand {
loadInt(at: pointer, bitWidth: 64)
}
func loadFloat32(at pointer: Pointer) -> Operand {
loadFloat(at: pointer, bitWidth: 32)
}
func loadFloat64(at pointer: Pointer) -> Operand {
loadFloat(at: pointer, bitWidth: 64)
}
}
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