Sets Swift minimum version to 5.8 (#8228)

Updates copyright from 2023 to 2024 & formats code - updates formatting rules

Updates CI to run with swift 5.8

Adds wasmer & updates command to run carton as a swift plugin

Update bazelci to also accept swift 5.8

Adds swift 5.10 to the test matrix

swift/Sources/FlatBuffers/ByteBuffer.swift

@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 Google Inc. All rights reserved.
+ * Copyright 2024 Google Inc. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,11 +14,7 @@
  * limitations under the License.
  */
 
-#if !os(WASI)
 import Foundation
-#else
-import SwiftOverlayShims
-#endif
 
 /// `ByteBuffer` is the interface that stores the data for a `Flatbuffers` object
 /// it allows users to write and read data directly from memory thus the use of its
@@ -121,11 +117,11 @@ public struct ByteBuffer {
   public let allowReadingUnalignedBuffers: Bool
 
   /// Constructor that creates a Flatbuffer object from a UInt8
-  /// - Parameter 
+  /// - Parameter
   ///   - bytes: Array of UInt8
   ///   - allowReadingUnalignedBuffers: allow reading from unaligned buffer
   public init(
-    bytes: [UInt8], 
+    bytes: [UInt8],
     allowReadingUnalignedBuffers allowUnalignedBuffers: Bool = false)
   {
     var b = bytes
@@ -133,17 +129,17 @@ public struct ByteBuffer {
     _writerSize = _storage.capacity
     allowReadingUnalignedBuffers = allowUnalignedBuffers
     b.withUnsafeMutableBytes { bufferPointer in
-      self._storage.copy(from: bufferPointer.baseAddress!, count: bytes.count)
+      _storage.copy(from: bufferPointer.baseAddress!, count: bytes.count)
     }
   }
 
   #if !os(WASI)
   /// Constructor that creates a Flatbuffer from the Swift Data type object
-  /// - Parameter 
+  /// - Parameter
   ///   - data: Swift data Object
   ///   - allowReadingUnalignedBuffers: allow reading from unaligned buffer
   public init(
-    data: Data, 
+    data: Data,
     allowReadingUnalignedBuffers allowUnalignedBuffers: Bool = false)
   {
     var b = data
@@ -151,7 +147,7 @@ public struct ByteBuffer {
     _writerSize = _storage.capacity
     allowReadingUnalignedBuffers = allowUnalignedBuffers
     b.withUnsafeMutableBytes { bufferPointer in
-      self._storage.copy(from: bufferPointer.baseAddress!, count: data.count)
+      _storage.copy(from: bufferPointer.baseAddress!, count: data.count)
     }
   }
   #endif
@@ -175,7 +171,7 @@ public struct ByteBuffer {
   ///   - allowReadingUnalignedBuffers: allow reading from unaligned buffer
   public init<Bytes: ContiguousBytes>(
     contiguousBytes: Bytes,
-    count: Int, 
+    count: Int,
     allowReadingUnalignedBuffers allowUnalignedBuffers: Bool = false)
   {
     _storage = Storage(count: count, alignment: alignment)
@@ -208,7 +204,7 @@ public struct ByteBuffer {
   ///   - count: count of bytes
   ///   - allowReadingUnalignedBuffers: allow reading from unaligned buffer
   init(
-    memory: UnsafeMutableRawPointer, 
+    memory: UnsafeMutableRawPointer,
     count: Int,
     allowReadingUnalignedBuffers allowUnalignedBuffers: Bool = false)
   {
@@ -228,7 +224,7 @@ public struct ByteBuffer {
     memory: UnsafeMutableRawPointer,
     count: Int,
     removing removeBytes: Int,
-    allowReadingUnalignedBuffers allowUnalignedBuffers: Bool = false) 
+    allowReadingUnalignedBuffers allowUnalignedBuffers: Bool = false)
   {
     _storage = Storage(count: count, alignment: alignment)
     _storage.copy(from: memory, count: count)
@@ -257,7 +253,7 @@ public struct ByteBuffer {
         _storage.memory.advanced(by: writerIndex &- ptr.count),
         UnsafeRawPointer(ptr.baseAddress!),
         ptr.count)
-      self._writerSize = self._writerSize &+ ptr.count
+      _writerSize = _writerSize &+ ptr.count
     }
   }
 
@@ -271,7 +267,7 @@ public struct ByteBuffer {
       _storage.memory
         .advanced(by: writerIndex &- ptr.count)
         .copyMemory(from: ptr.baseAddress!, byteCount: ptr.count)
-      self._writerSize = self._writerSize &+ ptr.count
+      _writerSize = _writerSize &+ ptr.count
     }
   }
 
@@ -287,7 +283,7 @@ public struct ByteBuffer {
         _storage.memory.advanced(by: writerIndex &- ptr.count),
         UnsafeRawPointer(ptr.baseAddress!),
         ptr.count)
-      self._writerSize = self._writerSize &+ ptr.count
+      _writerSize = _writerSize &+ ptr.count
     }
   }
   #endif
@@ -306,7 +302,7 @@ public struct ByteBuffer {
         _storage.memory.advanced(by: writerIndex &- size),
         $0.baseAddress!,
         size)
-      self._writerSize = self._writerSize &+ size
+      _writerSize = _writerSize &+ size
     }
   }
 
@@ -324,7 +320,7 @@ public struct ByteBuffer {
         _storage.memory.advanced(by: writerIndex &- len),
         $0.baseAddress!,
         len)
-      self._writerSize = self._writerSize &+ len
+      _writerSize = _writerSize &+ len
     }
   }
 
@@ -429,11 +425,9 @@ public struct ByteBuffer {
   ///   - position: the index of the object in the buffer
   @inline(__always)
   public func read<T>(def: T.Type, position: Int) -> T {
-    #if swift(>=5.7)
     if allowReadingUnalignedBuffers {
       return _storage.memory.advanced(by: position).loadUnaligned(as: T.self)
     }
-    #endif
     return _storage.memory.advanced(by: position).load(as: T.self)
   }
 
@@ -538,7 +532,8 @@ extension ByteBuffer: CustomDebugStringConvertible {
   public var debugDescription: String {
     """
     buffer located at: \(_storage.memory), with capacity of \(_storage.capacity)
-    { writerSize: \(_writerSize), readerSize: \(reader), writerIndex: \(writerIndex) }
+    { writerSize: \(_writerSize), readerSize: \(reader), writerIndex: \(
+      writerIndex) }
     """
   }
 }