WasmParser: Specialize parseExpression for Translator

Author: kateinoigakukun

Sources/WasmParser/Stream/ByteStream.swift

@@ -9,7 +9,7 @@ public final class StaticByteStream: ByteStream {
         currentIndex = bytes.startIndex
     }
 
-    init(bytes: ArraySlice<UInt8>) {
+    public init(bytes: ArraySlice<UInt8>) {
         self.bytes = bytes
         currentIndex = bytes.startIndex
     }

Sources/WasmParser/WasmParser.swift

@@ -113,6 +113,7 @@ extension Code {
     ///     }
     /// }
     /// ````
+    @inlinable
     public func parseExpression<V: InstructionVisitor>(visitor: inout V) throws {
         let parser = Parser(stream: StaticByteStream(bytes: self.expression), features: self.features, hasDataCount: self.hasDataCount)
         var lastCode: InstructionCode?

Sources/WasmParser/WasmTypes.swift

@@ -10,7 +10,9 @@ public struct Code {
     public let expression: ArraySlice<UInt8>
 
     // Parser state used to parse the expression body lazily
+    @usableFromInline
     internal let hasDataCount: Bool
+    @usableFromInline
     internal let features: WasmFeatureSet
 }