mirror of
https://github.com/bellard/quickjs.git
synced 2025-09-27 05:38:45 +03:00
Iterator functions:
- removed memory leak - don't close iterator when IteratorStepValue fails - fixed Iterator Wrap next() and return() arguments - fixed Iterator.from()
This commit is contained in:
Fabrice Bellard
parent
cf0e179263
commit
2d99c323a2
2
TODO
2
TODO
@ -62,5 +62,5 @@ Optimization ideas:
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Test262o: 0/11262 errors, 463 excluded
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Test262o commit: 7da91bceb9ce7613f87db47ddd1292a2dda58b42 (es5-tests branch)
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Result: 54/79801 errors, 1630 excluded, 6631 skipped
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Result: 54/80760 errors, 1631 excluded, 6064 skipped
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Test262 commit: e7e136756cd67c1ffcf7c09d03aeb8ad5a6cec0c
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128
quickjs.c
128
quickjs.c
@ -42176,7 +42176,7 @@ static JSValue js_array_iterator_next(JSContext *ctx, JSValueConst this_val,
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}
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}
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/* IteratorWrap */
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/* Iterator Wrap */
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typedef struct JSIteratorWrapData {
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JSValue wrapped_iter;
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@ -42214,18 +42214,20 @@ static JSValue js_iterator_wrap_next(JSContext *ctx, JSValueConst this_val,
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it = JS_GetOpaque2(ctx, this_val, JS_CLASS_ITERATOR_WRAP);
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if (!it)
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return JS_EXCEPTION;
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if (magic == GEN_MAGIC_NEXT)
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return JS_IteratorNext(ctx, it->wrapped_iter, it->wrapped_next, argc, argv, pdone);
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method = JS_GetProperty(ctx, it->wrapped_iter, JS_ATOM_return);
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if (JS_IsException(method))
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return JS_EXCEPTION;
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if (JS_IsNull(method) || JS_IsUndefined(method)) {
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*pdone = TRUE;
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return JS_UNDEFINED;
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if (magic == GEN_MAGIC_NEXT) {
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return JS_IteratorNext(ctx, it->wrapped_iter, it->wrapped_next, 0, NULL, pdone);
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} else {
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method = JS_GetProperty(ctx, it->wrapped_iter, JS_ATOM_return);
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if (JS_IsException(method))
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return JS_EXCEPTION;
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if (JS_IsNull(method) || JS_IsUndefined(method)) {
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*pdone = TRUE;
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return JS_UNDEFINED;
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}
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ret = JS_IteratorNext2(ctx, it->wrapped_iter, method, 0, NULL, pdone);
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JS_FreeValue(ctx, method);
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return ret;
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}
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ret = JS_IteratorNext2(ctx, it->wrapped_iter, method, argc, argv, pdone);
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JS_FreeValue(ctx, method);
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return ret;
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}
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static const JSCFunctionListEntry js_iterator_wrap_proto_funcs[] = {
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@ -42275,50 +42277,55 @@ static JSValue js_iterator_constructor(JSContext *ctx, JSValueConst new_target,
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static JSValue js_iterator_from(JSContext *ctx, JSValueConst this_val,
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int argc, JSValueConst *argv)
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{
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JSValue method, iter;
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JSValueConst obj = argv[0];
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JSValue method, iter, wrapper;
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JSIteratorWrapData *it;
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int ret;
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JSValueConst obj = argv[0];
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if (JS_IsString(obj)) {
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method = JS_GetProperty(ctx, obj, JS_ATOM_Symbol_iterator);
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if (JS_IsException(method))
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return JS_EXCEPTION;
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return JS_CallFree(ctx, method, obj, 0, NULL);
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if (!JS_IsObject(obj)) {
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if (!JS_IsString(obj))
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return JS_ThrowTypeError(ctx, "Iterator.from called on non-object");
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}
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if (!JS_IsObject(obj))
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return JS_ThrowTypeError(ctx, "Iterator.from called on non-object");
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ret = JS_OrdinaryIsInstanceOf(ctx, obj, ctx->iterator_ctor);
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if (ret < 0)
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return JS_EXCEPTION;
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if (ret)
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return JS_DupValue(ctx, obj);
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method = JS_GetProperty(ctx, obj, JS_ATOM_Symbol_iterator);
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if (JS_IsException(method))
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return JS_EXCEPTION;
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if (JS_IsNull(method) || JS_IsUndefined(method)) {
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method = JS_GetProperty(ctx, obj, JS_ATOM_next);
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if (JS_IsException(method))
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return JS_EXCEPTION;
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iter = JS_NewObjectClass(ctx, JS_CLASS_ITERATOR_WRAP);
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if (JS_IsException(iter))
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goto fail;
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it = js_malloc(ctx, sizeof(*it));
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if (!it)
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goto fail;
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it->wrapped_iter = JS_DupValue(ctx, obj);
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it->wrapped_next = method;
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JS_SetOpaque(iter, it);
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iter = JS_DupValue(ctx, obj);
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} else {
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iter = JS_GetIterator2(ctx, obj, method);
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JS_FreeValue(ctx, method);
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if (JS_IsException(iter))
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return JS_EXCEPTION;
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}
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return iter;
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fail:
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wrapper = JS_UNDEFINED;
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method = JS_GetProperty(ctx, iter, JS_ATOM_next);
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if (JS_IsException(method))
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goto fail;
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ret = JS_OrdinaryIsInstanceOf(ctx, iter, ctx->iterator_ctor);
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if (ret < 0)
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goto fail;
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if (ret) {
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JS_FreeValue(ctx, method);
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return iter;
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}
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wrapper = JS_NewObjectClass(ctx, JS_CLASS_ITERATOR_WRAP);
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if (JS_IsException(wrapper))
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goto fail;
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it = js_malloc(ctx, sizeof(*it));
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if (!it)
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goto fail;
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it->wrapped_iter = iter;
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it->wrapped_next = method;
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JS_SetOpaque(wrapper, it);
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return wrapper;
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fail:
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JS_FreeValue(ctx, method);
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JS_FreeValue(ctx, iter);
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JS_FreeValue(ctx, wrapper);
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return JS_EXCEPTION;
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}
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@ -42450,12 +42457,13 @@ static JSValue js_iterator_proto_func(JSContext *ctx, JSValueConst this_val,
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return JS_ThrowTypeErrorNotAnObject(ctx);
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func = JS_UNDEFINED;
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method = JS_UNDEFINED;
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if (check_function(ctx, argv[0]))
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goto fail;
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func = JS_DupValue(ctx, argv[0]);
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method = JS_GetProperty(ctx, this_val, JS_ATOM_next);
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if (JS_IsException(method))
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goto fail;
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goto fail_no_close;
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r = JS_UNDEFINED;
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@ -42466,7 +42474,7 @@ static JSValue js_iterator_proto_func(JSContext *ctx, JSValueConst this_val,
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for (idx = 0; /*empty*/; idx++) {
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item = JS_IteratorNext(ctx, this_val, method, 0, NULL, &done);
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if (JS_IsException(item))
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goto fail;
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goto fail_no_close;
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if (done)
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break;
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index_val = JS_NewInt64(ctx, idx);
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@ -42495,7 +42503,7 @@ static JSValue js_iterator_proto_func(JSContext *ctx, JSValueConst this_val,
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for (idx = 0; /*empty*/; idx++) {
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item = JS_IteratorNext(ctx, this_val, method, 0, NULL, &done);
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if (JS_IsException(item))
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goto fail;
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goto fail_no_close;
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if (done)
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break;
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index_val = JS_NewInt64(ctx, idx);
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@ -42516,6 +42524,7 @@ static JSValue js_iterator_proto_func(JSContext *ctx, JSValueConst this_val,
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}
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break;
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}
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JS_FreeValue(ctx, item);
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index_val = JS_UNDEFINED;
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ret = JS_UNDEFINED;
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item = JS_UNDEFINED;
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@ -42527,7 +42536,7 @@ static JSValue js_iterator_proto_func(JSContext *ctx, JSValueConst this_val,
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for (idx = 0; /*empty*/; idx++) {
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item = JS_IteratorNext(ctx, this_val, method, 0, NULL, &done);
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if (JS_IsException(item))
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goto fail;
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goto fail_no_close;
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if (done)
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break;
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index_val = JS_NewInt64(ctx, idx);
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@ -42551,7 +42560,7 @@ static JSValue js_iterator_proto_func(JSContext *ctx, JSValueConst this_val,
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for (idx = 0; /*empty*/; idx++) {
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item = JS_IteratorNext(ctx, this_val, method, 0, NULL, &done);
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if (JS_IsException(item))
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goto fail;
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goto fail_no_close;
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if (done)
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break;
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index_val = JS_NewInt64(ctx, idx);
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@ -42583,8 +42592,9 @@ static JSValue js_iterator_proto_func(JSContext *ctx, JSValueConst this_val,
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JS_FreeValue(ctx, func);
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JS_FreeValue(ctx, method);
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return r;
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fail:
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fail:
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JS_IteratorClose(ctx, this_val, TRUE);
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fail_no_close:
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JS_FreeValue(ctx, func);
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JS_FreeValue(ctx, method);
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return JS_EXCEPTION;
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@ -42615,7 +42625,7 @@ static JSValue js_iterator_proto_reduce(JSContext *ctx, JSValueConst this_val,
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} else {
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acc = JS_IteratorNext(ctx, this_val, method, 0, NULL, &done);
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if (JS_IsException(acc))
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goto exception;
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goto exception_no_close;
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if (done) {
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JS_ThrowTypeError(ctx, "empty iterator");
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goto exception;
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@ -42625,7 +42635,7 @@ static JSValue js_iterator_proto_reduce(JSContext *ctx, JSValueConst this_val,
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for (/* empty */; /*empty*/; idx++) {
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item = JS_IteratorNext(ctx, this_val, method, 0, NULL, &done);
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if (JS_IsException(item))
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goto exception;
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goto exception_no_close;
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if (done)
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break;
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index_val = JS_NewInt64(ctx, idx);
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@ -42646,8 +42656,9 @@ static JSValue js_iterator_proto_reduce(JSContext *ctx, JSValueConst this_val,
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JS_FreeValue(ctx, func);
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JS_FreeValue(ctx, method);
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return acc;
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exception:
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exception:
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JS_IteratorClose(ctx, this_val, TRUE);
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exception_no_close:
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JS_FreeValue(ctx, acc);
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JS_FreeValue(ctx, func);
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JS_FreeValue(ctx, method);
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@ -42787,7 +42798,7 @@ static JSValue js_iterator_helper_next(JSContext *ctx, JSValueConst this_val,
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item = JS_IteratorNext(ctx, it->obj, method, 0, NULL, pdone);
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if (JS_IsException(item)) {
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JS_FreeValue(ctx, method);
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goto fail;
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goto fail_no_close;
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}
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JS_FreeValue(ctx, item);
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if (magic == GEN_MAGIC_RETURN)
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@ -42802,7 +42813,7 @@ static JSValue js_iterator_helper_next(JSContext *ctx, JSValueConst this_val,
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item = JS_IteratorNext(ctx, it->obj, method, 0, NULL, pdone);
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JS_FreeValue(ctx, method);
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if (JS_IsException(item))
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goto fail;
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goto fail_no_close;
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ret = item;
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goto done;
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}
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@ -42822,7 +42833,7 @@ static JSValue js_iterator_helper_next(JSContext *ctx, JSValueConst this_val,
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item = JS_IteratorNext(ctx, it->obj, method, 0, NULL, pdone);
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if (JS_IsException(item)) {
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JS_FreeValue(ctx, method);
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goto fail;
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goto fail_no_close;
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}
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if (*pdone || magic == GEN_MAGIC_RETURN) {
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JS_FreeValue(ctx, method);
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@ -42835,6 +42846,7 @@ static JSValue js_iterator_helper_next(JSContext *ctx, JSValueConst this_val,
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selected = JS_Call(ctx, it->func, JS_UNDEFINED, countof(args), args);
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JS_FreeValue(ctx, index_val);
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if (JS_IsException(selected)) {
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JS_FreeValue(ctx, item);
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JS_FreeValue(ctx, method);
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goto fail;
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}
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@ -42843,6 +42855,7 @@ static JSValue js_iterator_helper_next(JSContext *ctx, JSValueConst this_val,
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ret = item;
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goto done;
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}
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JS_FreeValue(ctx, item);
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goto filter_again;
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}
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break;
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@ -42862,7 +42875,7 @@ static JSValue js_iterator_helper_next(JSContext *ctx, JSValueConst this_val,
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item = JS_IteratorNext(ctx, it->obj, method, 0, NULL, pdone);
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JS_FreeValue(ctx, method);
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if (JS_IsException(item))
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goto fail;
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goto fail_no_close;
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if (*pdone || magic == GEN_MAGIC_RETURN) {
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ret = item;
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goto done;
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@ -42944,7 +42957,7 @@ static JSValue js_iterator_helper_next(JSContext *ctx, JSValueConst this_val,
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item = JS_IteratorNext(ctx, it->obj, method, 0, NULL, pdone);
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JS_FreeValue(ctx, method);
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if (JS_IsException(item))
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goto fail;
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goto fail_no_close;
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if (*pdone || magic == GEN_MAGIC_RETURN) {
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ret = item;
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goto done;
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@ -42974,7 +42987,7 @@ static JSValue js_iterator_helper_next(JSContext *ctx, JSValueConst this_val,
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item = JS_IteratorNext(ctx, it->obj, method, 0, NULL, pdone);
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JS_FreeValue(ctx, method);
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if (JS_IsException(item))
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goto fail;
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goto fail_no_close;
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ret = item;
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goto done;
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}
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@ -42991,13 +43004,14 @@ static JSValue js_iterator_helper_next(JSContext *ctx, JSValueConst this_val,
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abort();
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}
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done:
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done:
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it->done = magic == GEN_MAGIC_NEXT ? *pdone : 1;
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it->executing = 0;
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return ret;
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fail:
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fail:
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/* close the iterator object, preserving pending exception */
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JS_IteratorClose(ctx, it->obj, TRUE);
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fail_no_close:
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ret = JS_EXCEPTION;
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goto done;
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}
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@ -304,6 +304,9 @@ test262/test/built-ins/String/prototype/split/cstm-split-on-string-primitive.js
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# spec updates it in this case)
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test262/test/staging/sm/Array/frozen-dense-array.js
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# does not match spec
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test262/test/staging/sm/Iterator/from/wrap-next-not-object-throws.js
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# not supported
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test262/test/staging/sm/extensions/censor-strict-caller.js
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test262/test/staging/sm/JSON/parse-with-source.js
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