Implement Iterator.prototype.every

Author: saghul

quickjs.c

@@ -39916,7 +39916,57 @@ static JSValue js_iterator_proto_drop(JSContext *ctx, JSValue this_val,
 static JSValue js_iterator_proto_every(JSContext *ctx, JSValue this_val,
                                        int argc, JSValue *argv)
 {
-    return JS_ThrowInternalError(ctx, "TODO implement Iterator.prototype.every");
+    JSValue item, method, ret, func, index_val, r;
+    JSValue args[2];
+    int64_t idx;
+    BOOL done;
+
+    if (!JS_IsObject(this_val))
+        return JS_ThrowTypeError(ctx, "Iterator.prototype.every called on non-object");
+    if (check_function(ctx, argv[0]))
+        return JS_EXCEPTION;
+    func = js_dup(argv[0]);
+    method = JS_GetProperty(ctx, this_val, JS_ATOM_next);
+    if (JS_IsException(method))
+        goto exception;
+    r = JS_TRUE;
+    for (idx = 0; /*empty*/; idx++) {
+        item = JS_IteratorNext(ctx, this_val, method, 0, NULL, &done);
+        if (JS_IsException(item))
+            goto exception;
+        if (done)
+            break;
+        index_val = JS_NewInt64(ctx, idx);
+        if (JS_IsException(index_val)) {
+            JS_FreeValue(ctx, item);
+            goto exception;
+        }
+        args[0] = item;
+        args[1] = index_val;
+        ret = JS_Call(ctx, func, JS_UNDEFINED, countof(args), args);
+        JS_FreeValue(ctx, item);
+        JS_FreeValue(ctx, index_val);
+        if (JS_IsException(ret))
+            goto exception;
+        if (!JS_ToBoolFree(ctx, ret)) {
+            if (JS_IteratorClose(ctx, this_val, FALSE) < 0)
+                r = JS_EXCEPTION;
+            else
+                r = JS_FALSE;
+            break;
+        }
+        index_val = JS_UNDEFINED;
+        ret = JS_UNDEFINED;
+        item = JS_UNDEFINED;
+    }
+    JS_FreeValue(ctx, func);
+    JS_FreeValue(ctx, method);
+    return r;
+exception:
+    JS_IteratorClose(ctx, this_val, TRUE);
+    JS_FreeValue(ctx, func);
+    JS_FreeValue(ctx, method);
+    return JS_EXCEPTION;
 }
 
 static JSValue js_iterator_proto_filter(JSContext *ctx, JSValue this_val,

test262_errors.txt

@@ -78,58 +78,6 @@ test262/test/built-ins/Iterator/prototype/drop/underlying-iterator-closed-in-par
 test262/test/built-ins/Iterator/prototype/drop/underlying-iterator-closed-in-parallel.js:19: strict mode: InternalError: TODO implement Iterator.prototype.drop
 test262/test/built-ins/Iterator/prototype/drop/underlying-iterator-closed.js:21: InternalError: TODO implement Iterator.prototype.drop
 test262/test/built-ins/Iterator/prototype/drop/underlying-iterator-closed.js:21: strict mode: InternalError: TODO implement Iterator.prototype.drop
-test262/test/built-ins/Iterator/prototype/every/argument-effect-order.js:16: Test262Error: Expected a TypeError but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/argument-effect-order.js:16: strict mode: Test262Error: Expected a TypeError but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/callable.js:10: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/callable.js:10: strict mode: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/get-next-method-only-once.js:35: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/get-next-method-only-once.js:35: strict mode: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/get-next-method-throws.js:17: Test262Error: Expected a Test262Error but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/get-next-method-throws.js:17: strict mode: Test262Error: Expected a Test262Error but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/get-return-method-throws.js:23: Test262Error: Expected a Test262Error but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/get-return-method-throws.js:23: strict mode: Test262Error: Expected a Test262Error but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/iterator-already-exhausted.js:22: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/iterator-already-exhausted.js:22: strict mode: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/iterator-has-no-return.js:17: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/iterator-has-no-return.js:17: strict mode: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/iterator-return-method-throws.js:23: Test262Error: Expected a Test262Error but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/iterator-return-method-throws.js:23: strict mode: Test262Error: Expected a Test262Error but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/next-method-returns-non-object.js:23: Test262Error: Expected a TypeError but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/next-method-returns-non-object.js:23: strict mode: Test262Error: Expected a TypeError but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/next-method-returns-throwing-done.js:19: Test262Error: Expected a Test262Error but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/next-method-returns-throwing-done.js:19: strict mode: Test262Error: Expected a Test262Error but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/next-method-returns-throwing-value-done.js:30: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/next-method-returns-throwing-value-done.js:30: strict mode: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/next-method-returns-throwing-value.js:20: Test262Error: Expected a Test262Error but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/next-method-returns-throwing-value.js:20: strict mode: Test262Error: Expected a Test262Error but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/next-method-throws.js:17: Test262Error: Expected a Test262Error but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/next-method-throws.js:17: strict mode: Test262Error: Expected a Test262Error but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/non-callable-predicate.js:20: Test262Error: Expected a TypeError but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/non-callable-predicate.js:20: strict mode: Test262Error: Expected a TypeError but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/predicate-args.js:40: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/predicate-args.js:40: strict mode: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/predicate-returns-falsey.js:26: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/predicate-returns-falsey.js:26: strict mode: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/predicate-returns-non-boolean.js:27: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/predicate-returns-non-boolean.js:27: strict mode: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/predicate-returns-truthy-then-falsey.js:27: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/predicate-returns-truthy-then-falsey.js:27: strict mode: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/predicate-returns-truthy.js:23: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/predicate-returns-truthy.js:23: strict mode: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/predicate-this.js:30: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/predicate-this.js:30: strict mode: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/predicate-throws-then-closing-iterator-also-throws.js:33: Test262Error: Expected a Test262Error but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/predicate-throws-then-closing-iterator-also-throws.js:33: strict mode: Test262Error: Expected a Test262Error but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/predicate-throws.js:35: Test262Error: Expected a Test262Error but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/predicate-throws.js:35: strict mode: Test262Error: Expected a Test262Error but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/result-is-boolean.js:11: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/result-is-boolean.js:11: strict mode: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/this-non-callable-next.js:15: Test262Error: Expected a TypeError but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/this-non-callable-next.js:15: strict mode: Test262Error: Expected a TypeError but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/this-non-object.js:21: Test262Error: Expected a TypeError but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/this-non-object.js:21: strict mode: Test262Error: Expected a TypeError but got a InternalError
-test262/test/built-ins/Iterator/prototype/every/this-plain-iterator.js:29: InternalError: TODO implement Iterator.prototype.every
-test262/test/built-ins/Iterator/prototype/every/this-plain-iterator.js:29: strict mode: InternalError: TODO implement Iterator.prototype.every
 test262/test/built-ins/Iterator/prototype/filter/argument-effect-order.js:16: Test262Error: Expected a TypeError but got a InternalError
 test262/test/built-ins/Iterator/prototype/filter/argument-effect-order.js:16: strict mode: Test262Error: Expected a TypeError but got a InternalError
 test262/test/built-ins/Iterator/prototype/filter/callable.js:10: InternalError: TODO implement Iterator.prototype.filter