Reenable integration tests

IntegrationTests/Makefile

@@ -8,6 +8,7 @@ TestSuites/.build/$(CONFIGURATION)/%.wasm: FORCE
 	            --triple wasm32-unknown-wasi \
 	            --configuration $(CONFIGURATION) \
 	            -Xswiftc -Xclang-linker -Xswiftc -mexec-model=reactor \
+		    -Xlinker --export=main \
 		    $(SWIFT_BUILD_FLAGS)
 
 dist/%.wasm: TestSuites/.build/$(CONFIGURATION)/%.wasm

IntegrationTests/TestSuites/Sources/PrimaryTests/main.swift

@@ -804,28 +804,5 @@ try test("Hashable Conformance") {
     try expectEqual(firstHash, secondHash)
 }
 
-try test("Symbols") {
-    let symbol1 = JSSymbol("abc")
-    let symbol2 = JSSymbol("abc")
-    try expectNotEqual(symbol1, symbol2)
-    try expectEqual(symbol1.name, symbol2.name)
-    try expectEqual(symbol1.name, "abc")
-
-    try expectEqual(JSSymbol.iterator, JSSymbol.iterator)
-
-    // let hasInstanceClass = {
-    //   prop: Object.assign(function () {}, {
-    //     [Symbol.hasInstance]() { return true }
-    //   })
-    // }.prop
-    let hasInstanceObject = JSObject.global.Object.function!.new()
-    hasInstanceObject.prop = JSClosure { _ in .undefined }.jsValue
-    let hasInstanceClass = hasInstanceObject.prop.function!
-    hasInstanceClass[JSSymbol.hasInstance] = JSClosure { _ in
-        return .boolean(true)
-    }.jsValue
-    try expectEqual(hasInstanceClass[JSSymbol.hasInstance].function!().boolean, true)
-    try expectEqual(JSObject.global.Object.isInstanceOf(hasInstanceClass), true)
-}
 
 Expectation.wait(expectations)

IntegrationTests/lib.js

@@ -45,6 +45,8 @@ const startWasiTask = async (wasmPath) => {
     swift.setInstance(instance);
     // Start the WebAssembly WASI instance!
     wasi.start(instance);
+    instance.exports._initialize();
+    instance.exports.main();
 };
 
 module.exports = { startWasiTask };

Runtime/src/js-value.ts

@@ -10,7 +10,6 @@ export enum Kind {
     Null = 4,
     Undefined = 5,
     Function = 6,
-    Symbol = 7,
 }
 
 export const decode = (
@@ -103,11 +102,6 @@ export const write = (
             memory.writeUint32(payload1_ptr, memory.retain(value));
             break;
         }
-        case "symbol": {
-            memory.writeUint32(kind_ptr, exceptionBit | Kind.Symbol);
-            memory.writeUint32(payload1_ptr, memory.retain(value));
-            break;
-        }
         default:
             throw new Error(`Type "${typeof value}" is not supported yet`);
     }

Runtime/src/object-heap.ts

@@ -22,25 +22,33 @@ export class SwiftRuntimeHeap {
     }
 
     retain(value: any) {
+        const isObject = typeof value == "object";
         const entry = this._heapEntryByValue.get(value);
-        if (entry) {
+        if (isObject && entry) {
             entry.rc++;
             return entry.id;
         }
         const id = this._heapNextKey++;
         this._heapValueById.set(id, value);
-        this._heapEntryByValue.set(value, { id: id, rc: 1 });
+        if (isObject) {
+            this._heapEntryByValue.set(value, { id: id, rc: 1 });
+        }
         return id;
     }
 
     release(ref: ref) {
         const value = this._heapValueById.get(ref);
-        const entry = this._heapEntryByValue.get(value)!;
-        entry.rc--;
-        if (entry.rc != 0) return;
-
-        this._heapEntryByValue.delete(value);
-        this._heapValueById.delete(ref);
+        const isObject = typeof value == "object";
+        if (isObject) {
+            const entry = this._heapEntryByValue.get(value)!;
+            entry.rc--;
+            if (entry.rc != 0) return;
+
+            this._heapEntryByValue.delete(value);
+            this._heapValueById.delete(ref);
+        } else {
+            this._heapValueById.delete(ref);
+        }
     }
 
     referenceHeap(ref: ref) {

Sources/JavaScriptKit/ConvertibleToJSValue.swift

@@ -207,8 +207,6 @@ extension RawJSValue: ConvertibleToJSValue {
             return .undefined
         case .function:
             return .function(JSFunction(id: UInt32(payload1)))
-        case .symbol:
-            return .symbol(JSSymbol(id: UInt32(payload1)))
         }
     }
 }
@@ -240,9 +238,6 @@ extension JSValue {
         case let .function(functionRef):
             kind = .function
             payload1 = JavaScriptPayload1(functionRef.id)
-        case let .symbol(symbolRef):
-            kind = .symbol
-            payload1 = JavaScriptPayload1(symbolRef.id)
         }
         let rawValue = RawJSValue(kind: kind, payload1: payload1, payload2: payload2)
         return body(rawValue)

Sources/JavaScriptKit/FundamentalObjects/JSFunction.swift

@@ -11,14 +11,15 @@ import _CJavaScriptKit
 /// ```
 ///
 public class JSFunction: JSObject {
+
     /// Call this function with given `arguments` and binding given `this` as context.
     /// - Parameters:
     ///   - this: The value to be passed as the `this` parameter to this function.
     ///   - arguments: Arguments to be passed to this function.
     /// - Returns: The result of this call.
     @discardableResult
     public func callAsFunction(this: JSObject? = nil, arguments: [ConvertibleToJSValue]) -> JSValue {
-        invokeNonThrowingJSFunction(self, arguments: arguments, this: this).jsValue
+        invokeNonThrowingJSFunction(self, arguments: arguments, this: this)
     }
 
     /// A variadic arguments version of `callAsFunction`.
@@ -40,7 +41,7 @@ public class JSFunction: JSObject {
     public func new(arguments: [ConvertibleToJSValue]) -> JSObject {
         arguments.withRawJSValues { rawValues in
             rawValues.withUnsafeBufferPointer { bufferPointer in
-                JSObject(id: _call_new(self.id, bufferPointer.baseAddress!, Int32(bufferPointer.count)))
+                return JSObject(id: _call_new(self.id, bufferPointer.baseAddress!, Int32(bufferPointer.count)))
             }
         }
     }
@@ -74,7 +75,7 @@ public class JSFunction: JSObject {
         fatalError("unavailable")
     }
 
-    override public class func construct(from value: JSValue) -> Self? {
+    public override class func construct(from value: JSValue) -> Self? {
         return value.function as? Self
     }
 
@@ -83,18 +84,18 @@ public class JSFunction: JSObject {
     }
 }
 
-func invokeNonThrowingJSFunction(_ jsFunc: JSFunction, arguments: [ConvertibleToJSValue], this: JSObject?) -> RawJSValue {
+private func invokeNonThrowingJSFunction(_ jsFunc: JSFunction, arguments: [ConvertibleToJSValue], this: JSObject?) -> JSValue {
     arguments.withRawJSValues { rawValues in
-        rawValues.withUnsafeBufferPointer { bufferPointer in
+        rawValues.withUnsafeBufferPointer { bufferPointer -> (JSValue) in
             let argv = bufferPointer.baseAddress
             let argc = bufferPointer.count
             var kindAndFlags = JavaScriptValueKindAndFlags()
             var payload1 = JavaScriptPayload1()
             var payload2 = JavaScriptPayload2()
             if let thisId = this?.id {
                 _call_function_with_this_no_catch(thisId,
-                                                  jsFunc.id, argv, Int32(argc),
-                                                  &kindAndFlags, &payload1, &payload2)
+                                         jsFunc.id, argv, Int32(argc),
+                                         &kindAndFlags, &payload1, &payload2)
             } else {
                 _call_function_no_catch(
                     jsFunc.id, argv, Int32(argc),
@@ -103,7 +104,7 @@ func invokeNonThrowingJSFunction(_ jsFunc: JSFunction, arguments: [ConvertibleTo
             }
             assert(!kindAndFlags.isException)
             let result = RawJSValue(kind: kindAndFlags.kind, payload1: payload1, payload2: payload2)
-            return result
+            return result.jsValue()
         }
     }
 }

Sources/JavaScriptKit/FundamentalObjects/JSObject.swift

@@ -95,14 +95,6 @@ public class JSObject: Equatable {
         set { setJSValue(this: self, index: Int32(index), value: newValue) }
     }
 
-    /// Access the `symbol` member dynamically through JavaScript and Swift runtime bridge library.
-    /// - Parameter symbol: The name of this object's member to access.
-    /// - Returns: The value of the `name` member of this object.
-    public subscript(_ name: JSSymbol) -> JSValue {
-        get { getJSValue(this: self, symbol: name) }
-        set { setJSValue(this: self, symbol: name, value: newValue) }
-    }
-
     /// A modifier to call methods as throwing methods capturing `this`
     ///
     ///