wasm gc: support JS functions with varargs

core/src/main/resources/org/teavm/backend/wasm/wasm-gc-runtime.js

@@ -296,7 +296,16 @@ TeaVM.wasm = function() {
                 } else {
                     return 0;
                 }
-            }
+            },
+            apply: (instance, method, args) => {
+                if (instance === null) {
+                    let fn = getGlobalName(method);
+                    return fn(...args);
+                } else {
+                    return instance[method](...args);
+                }
+            },
+            concatArray: (a, b) => a.concat(b)
         };
         for (let name of ["wrapByte", "wrapShort", "wrapChar", "wrapInt", "wrapFloat", "wrapDouble", "unwrapByte",
             "unwrapShort", "unwrapChar", "unwrapInt", "unwrapFloat", "unwrapDouble"]) {
@@ -308,6 +317,7 @@ TeaVM.wasm = function() {
             imports.teavmJso["callMethod" + i] = (instance, method, ...args) =>
                 instance !== null ? instance[method](...args) : getGlobalName(method)(...args);
             imports.teavmJso["construct" + i] = (constructor, ...args) => new constructor(...args);
+            imports.teavmJso["arrayOf" + i] = (...args) => args
         }
     }
 

jso/impl/src/main/java/org/teavm/jso/impl/JS.java

@@ -39,6 +39,7 @@ public final class JS {
 
     @InjectedBy(JSNativeInjector.class)
     @NoSideEffects
+    @Import(name = "concatArray", module = "teavmJso")
     public static native JSObject concatArray(JSObject a, JSObject b);
 
     @InjectedBy(JSNativeInjector.class)
@@ -562,76 +563,90 @@ public final class JS {
             JSObject l, JSObject m);
 
     @InjectedBy(JSNativeInjector.class)
+    @Import(name = "apply", module = "teavmJso")
     public static native JSObject apply(JSObject instance, JSObject method, JSArray<JSObject> v);
 
     @InjectedBy(JSNativeInjector.class)
     @PluggableDependency(JSNativeInjector.class)
     @NoSideEffects
+    @Import(name = "arrayOf1", module = "teavmJso")
     public static native JSObject arrayOf(JSObject a);
 
     @InjectedBy(JSNativeInjector.class)
     @PluggableDependency(JSNativeInjector.class)
     @NoSideEffects
+    @Import(name = "arrayOf2", module = "teavmJso")
     public static native JSObject arrayOf(JSObject a, JSObject b);
 
     @InjectedBy(JSNativeInjector.class)
     @PluggableDependency(JSNativeInjector.class)
     @NoSideEffects
+    @Import(name = "arrayOf3", module = "teavmJso")
     public static native JSObject arrayOf(JSObject a, JSObject b, JSObject c);
 
     @InjectedBy(JSNativeInjector.class)
     @PluggableDependency(JSNativeInjector.class)
     @NoSideEffects
+    @Import(name = "arrayOf4", module = "teavmJso")
     public static native JSObject arrayOf(JSObject a, JSObject b, JSObject c, JSObject d);
 
     @InjectedBy(JSNativeInjector.class)
     @PluggableDependency(JSNativeInjector.class)
     @NoSideEffects
+    @Import(name = "arrayOf5", module = "teavmJso")
     public static native JSObject arrayOf(JSObject a, JSObject b, JSObject c, JSObject d, JSObject e);
 
     @InjectedBy(JSNativeInjector.class)
     @PluggableDependency(JSNativeInjector.class)
     @NoSideEffects
+    @Import(name = "arrayOf6", module = "teavmJso")
     public static native JSObject arrayOf(JSObject a, JSObject b, JSObject c, JSObject d, JSObject e, JSObject f);
 
     @InjectedBy(JSNativeInjector.class)
     @PluggableDependency(JSNativeInjector.class)
     @NoSideEffects
+    @Import(name = "arrayOf7", module = "teavmJso")
     public static native JSObject arrayOf(JSObject a, JSObject b, JSObject c, JSObject d, JSObject e, JSObject f,
             JSObject g);
 
     @InjectedBy(JSNativeInjector.class)
     @PluggableDependency(JSNativeInjector.class)
     @NoSideEffects
+    @Import(name = "arrayOf8", module = "teavmJso")
     public static native JSObject arrayOf(JSObject a, JSObject b, JSObject c, JSObject d, JSObject e, JSObject f,
             JSObject g, JSObject h);
 
     @InjectedBy(JSNativeInjector.class)
     @PluggableDependency(JSNativeInjector.class)
+    @Import(name = "arrayOf9", module = "teavmJso")
     public static native JSObject arrayOf(JSObject a, JSObject b, JSObject c, JSObject d, JSObject e, JSObject f,
             JSObject g, JSObject h, JSObject i);
 
     @InjectedBy(JSNativeInjector.class)
     @PluggableDependency(JSNativeInjector.class)
     @NoSideEffects
+    @Import(name = "arrayOf10", module = "teavmJso")
     public static native JSObject arrayOf(JSObject a, JSObject b, JSObject c, JSObject d, JSObject e, JSObject f,
             JSObject g, JSObject h, JSObject i, JSObject j);
 
     @InjectedBy(JSNativeInjector.class)
     @PluggableDependency(JSNativeInjector.class)
     @NoSideEffects
+    @Import(name = "arrayOf11", module = "teavmJso")
     public static native JSObject arrayOf(JSObject a, JSObject b, JSObject c, JSObject d, JSObject e, JSObject f,
             JSObject g, JSObject h, JSObject i, JSObject j, JSObject k);
 
     @InjectedBy(JSNativeInjector.class)
     @PluggableDependency(JSNativeInjector.class)
     @NoSideEffects
+    @Import(name = "arrayOf12", module = "teavmJso")
     public static native JSObject arrayOf(JSObject a, JSObject b, JSObject c, JSObject d, JSObject e, JSObject f,
             JSObject g, JSObject h, JSObject i, JSObject j, JSObject k, JSObject l);
 
     @InjectedBy(JSNativeInjector.class)
     @PluggableDependency(JSNativeInjector.class)
     @NoSideEffects
+    @Import(name = "arrayOf13", module = "teavmJso")
     public static native JSObject arrayOf(JSObject a, JSObject b, JSObject c, JSObject d, JSObject e, JSObject f,
             JSObject g, JSObject h, JSObject i, JSObject j, JSObject k, JSObject l, JSObject m);
 

jso/impl/src/main/java/org/teavm/jso/impl/JSClassProcessor.java

@@ -1088,7 +1088,8 @@ class JSClassProcessor {
             var arg = invoke.getArguments().get(i);
             var byRef = byRefParams[i];
             if (vararg && i == invoke.getArguments().size() - 1
-                    && typeHelper.isSupportedByRefType(method.parameterType(i))) {
+                    && typeHelper.isSupportedByRefType(method.parameterType(i))
+                    && !wasmGC) {
                 byRef = true;
             }
             arg = marshaller.wrapArgument(callLocation, arg,

tests/src/test/java/org/teavm/jso/test/CallTest.java

@@ -31,7 +31,7 @@ import org.testng.annotations.Test;
 
 @RunWith(TeaVMTestRunner.class)
 @SkipJVM
-@OnlyPlatform(TestPlatform.JAVASCRIPT)
+@OnlyPlatform({TestPlatform.JAVASCRIPT, TestPlatform.WEBASSEMBLY_GC})
 @EachTestCompiledSeparately
 public class CallTest {
     @Test