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Commit 2d79d2c3 authored by Michael Achenbach's avatar Michael Achenbach Committed by Commit Bot
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Revert "[async-iteration] implement spec-change to `yield` in async generators" 

This reverts commit 409f84c9.

Reason for revert: Breaks nosnap debug:
https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20nosnap%20-%20debug/builds/14288

Original change's description:
> [async-iteration] implement spec-change to `yield` in async generators
> 
> Per https://github.com/tc39/proposal-async-iteration/pull/102/files:
> 
> AsyncGeneratorResolve no longer unwraps a value component. Instead, the
> value is unwrapped before the builtin call via Await, allowing Promise
> rejections to affect the generator control flow.
> 
> Thus, all `yield <expr>` implicitly become `yield await <expr>`.
> 
> Additionally, `return <expr>` becomes `return await <expr>`. Finally, when
> the generator is resumed with `.return()`, the parameter passed to .return()
> is awaited before generator execution properly continues).
> 
> BUG=v8:5855
> R=​littledan@chromium.org, neis@chromium.org, adamk@chromium.org
> 
> Cq-Include-Trybots: master.tryserver.v8:v8_linux_noi18n_rel_ng
> Change-Id: Ife084076c3ed434b5467e6aeba14082f8b410ad5
> Reviewed-on: https://chromium-review.googlesource.com/523844
> Commit-Queue: Caitlin Potter <caitp@igalia.com>
> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
> Reviewed-by: Georg Neis <neis@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#47011}

TBR=rmcilroy@chromium.org,adamk@chromium.org,yangguo@chromium.org,neis@chromium.org,littledan@chromium.org,gsathya@chromium.org,caitp@igalia.com

Change-Id: Ie6ad7e5410a3a89aab7a5dc68de36eb27b9354fe
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:5855
Cq-Include-Trybots: master.tryserver.v8:v8_linux_noi18n_rel_ng
Reviewed-on: https://chromium-review.googlesource.com/593952Reviewed-by: 's avatarMichael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47013}
parent 17a26c0b
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Showing with 191 additions and 948 deletions
src/ast/ast-numbering.cc
View file @ 2d79d2c3
...@@ -95,7 +95,6 @@ class AstNumberingVisitor final : public AstVisitor<AstNumberingVisitor> { ...@@ -95,7 +95,6 @@ class AstNumberingVisitor final : public AstVisitor<AstNumberingVisitor> {
int suspend_count_; int suspend_count_;
AstProperties properties_; AstProperties properties_;
LanguageMode language_mode_; LanguageMode language_mode_;
FunctionKind function_kind_;
// The slot cache allows us to reuse certain feedback slots. // The slot cache allows us to reuse certain feedback slots.
FeedbackSlotCache slot_cache_; FeedbackSlotCache slot_cache_;
BailoutReason disable_fullcodegen_reason_; BailoutReason disable_fullcodegen_reason_;
...@@ -219,13 +218,7 @@ void AstNumberingVisitor::VisitSuspend(Suspend* node) { ...@@ -219,13 +218,7 @@ void AstNumberingVisitor::VisitSuspend(Suspend* node) {
Visit(node->expression()); Visit(node->expression());
} }
void AstNumberingVisitor::VisitYield(Yield* node) { void AstNumberingVisitor::VisitYield(Yield* node) { VisitSuspend(node); }
node->set_suspend_id(suspend_count_++);
if (IsAsyncGeneratorFunction(function_kind_)) {
node->set_await_return_value_suspend_id(suspend_count_++);
}
Visit(node->expression());
}
void AstNumberingVisitor::VisitYieldStar(YieldStar* node) { void AstNumberingVisitor::VisitYieldStar(YieldStar* node) {
VisitSuspend(node); VisitSuspend(node);
...@@ -588,7 +581,6 @@ bool AstNumberingVisitor::Renumber(FunctionLiteral* node) { ...@@ -588,7 +581,6 @@ bool AstNumberingVisitor::Renumber(FunctionLiteral* node) {
DisableFullCodegen(kClassConstructorFunction); DisableFullCodegen(kClassConstructorFunction);
} }
function_kind_ = node->kind();
LanguageModeScope language_mode_scope(this, node->language_mode()); LanguageModeScope language_mode_scope(this, node->language_mode());
if (collect_type_profile_) { if (collect_type_profile_) {
......
src/ast/ast.h
View file @ 2d79d2c3
...@@ -2275,24 +2275,10 @@ class Suspend : public Expression { ...@@ -2275,24 +2275,10 @@ class Suspend : public Expression {
}; };
class Yield final : public Suspend { class Yield final : public Suspend {
public:
inline int await_return_value_suspend_id() const {
DCHECK_NE(await_return_value_suspend_id_, -1);
return await_return_value_suspend_id_;
}
void set_await_return_value_suspend_id(int id) {
await_return_value_suspend_id_ = id;
}
private: private:
friend class AstNodeFactory; friend class AstNodeFactory;
Yield(Expression* expression, int pos, OnAbruptResume on_abrupt_resume) Yield(Expression* expression, int pos, OnAbruptResume on_abrupt_resume)
: Suspend(kYield, expression, pos, on_abrupt_resume), : Suspend(kYield, expression, pos, on_abrupt_resume) {}
await_return_value_suspend_id_(-1) {}
// TODO(caitp): remove from class once `await` handled by AsyncGeneratorReturn
// stub.
int await_return_value_suspend_id_;
}; };
class YieldStar final : public Suspend { class YieldStar final : public Suspend {
......
src/bootstrapper.cc
View file @ 2d79d2c3
...@@ -1483,20 +1483,6 @@ void Genesis::InitializeGlobal(Handle<JSGlobalObject> global_object, ...@@ -1483,20 +1483,6 @@ void Genesis::InitializeGlobal(Handle<JSGlobalObject> global_object,
info->set_internal_formal_parameter_count(1); info->set_internal_formal_parameter_count(1);
info->set_length(1); info->set_length(1);
native_context()->set_async_generator_await_reject_shared_fun(*info); native_context()->set_async_generator_await_reject_shared_fun(*info);
info = factory->NewSharedFunctionInfo(
factory->empty_string(),
isolate->builtins()->AsyncGeneratorReturnResolveClosure(), false);
info->set_internal_formal_parameter_count(1);
info->set_length(1);
native_context()->set_async_generator_return_resolve_shared_fun(*info);
info = factory->NewSharedFunctionInfo(
factory->empty_string(),
isolate->builtins()->AsyncGeneratorReturnRejectClosure(), false);
info->set_internal_formal_parameter_count(1);
info->set_length(1);
native_context()->set_async_generator_return_reject_shared_fun(*info);
} }
{ // --- A r r a y --- { // --- A r r a y ---
......
src/builtins/builtins-async-generator-gen.cc
View file @ 2d79d2c3
...@@ -418,8 +418,8 @@ TF_BUILTIN(AsyncGeneratorResumeNext, AsyncGeneratorBuiltinsAssembler) { ...@@ -418,8 +418,8 @@ TF_BUILTIN(AsyncGeneratorResumeNext, AsyncGeneratorBuiltinsAssembler) {
LoadGeneratorState(generator)); LoadGeneratorState(generator));
VARIABLE(var_next, MachineRepresentation::kTagged, VARIABLE(var_next, MachineRepresentation::kTagged,
LoadFirstAsyncGeneratorRequestFromQueue(generator)); LoadFirstAsyncGeneratorRequestFromQueue(generator));
Variable* loop_variables[] = {&var_state, &var_next}; Variable* labels[] = {&var_state, &var_next};
Label start(this, 2, loop_variables); Label start(this, 2, labels);
Goto(&start); Goto(&start);
BIND(&start); BIND(&start);
...@@ -453,10 +453,10 @@ TF_BUILTIN(AsyncGeneratorResumeNext, AsyncGeneratorBuiltinsAssembler) { ...@@ -453,10 +453,10 @@ TF_BUILTIN(AsyncGeneratorResumeNext, AsyncGeneratorBuiltinsAssembler) {
&fulfill_promise, &reject_promise); &fulfill_promise, &reject_promise);
BIND(&fulfill_promise); BIND(&fulfill_promise);
// Unwrap Promise values for "return" in state "suspendedStart". CallBuiltin(Builtins::kAsyncGeneratorResolve, context, generator,
// This simulates `return await request.[[Completion]].[[Value]]` LoadValueFromAsyncGeneratorRequest(next), TrueConstant());
TailCallBuiltin(Builtins::kAsyncGeneratorReturnProcessor, context, var_next.Bind(LoadFirstAsyncGeneratorRequestFromQueue(generator));
generator); Goto(&start);
BIND(&reject_promise); BIND(&reject_promise);
CallBuiltin(Builtins::kAsyncGeneratorReject, context, generator, CallBuiltin(Builtins::kAsyncGeneratorReject, context, generator,
...@@ -495,35 +495,19 @@ TF_BUILTIN(AsyncGeneratorResolve, AsyncGeneratorBuiltinsAssembler) { ...@@ -495,35 +495,19 @@ TF_BUILTIN(AsyncGeneratorResolve, AsyncGeneratorBuiltinsAssembler) {
HasInstanceType(generator, JS_ASYNC_GENERATOR_OBJECT_TYPE)); HasInstanceType(generator, JS_ASYNC_GENERATOR_OBJECT_TYPE));
CSA_ASSERT(this, IsGeneratorNotSuspendedForAwait(generator)); CSA_ASSERT(this, IsGeneratorNotSuspendedForAwait(generator));
// If this assertion fails, the `value` component was not Awaited as it should
// have been, per https://github.com/tc39/proposal-async-iteration/pull/102/.
CSA_SLOW_ASSERT(this, DoesntHaveInstanceType(value, JS_PROMISE_TYPE));
Node* const next = TakeFirstAsyncGeneratorRequestFromQueue(generator); Node* const next = TakeFirstAsyncGeneratorRequestFromQueue(generator);
Node* const promise = LoadPromiseFromAsyncGeneratorRequest(next); Node* const promise = LoadPromiseFromAsyncGeneratorRequest(next);
// Let iteratorResult be CreateIterResultObject(value, done). Node* const wrapper = AllocateAndInitJSPromise(context);
Node* const iter_result = Allocate(JSIteratorResult::kSize); CallBuiltin(Builtins::kResolveNativePromise, context, wrapper, value);
{
Node* map = LoadContextElement(LoadNativeContext(context),
Context::ITERATOR_RESULT_MAP_INDEX);
StoreMapNoWriteBarrier(iter_result, map);
StoreObjectFieldRoot(iter_result, JSIteratorResult::kPropertiesOrHashOffset,
Heap::kEmptyFixedArrayRootIndex);
StoreObjectFieldRoot(iter_result, JSIteratorResult::kElementsOffset,
Heap::kEmptyFixedArrayRootIndex);
StoreObjectFieldNoWriteBarrier(iter_result, JSIteratorResult::kValueOffset,
value);
StoreObjectFieldNoWriteBarrier(iter_result, JSIteratorResult::kDoneOffset,
done);
}
// Perform Call(promiseCapability.[[Resolve]], undefined, «iteratorResult»). Node* const on_fulfilled =
CallBuiltin(Builtins::kResolveNativePromise, context, promise, iter_result); CreateUnwrapClosure(LoadNativeContext(context), done);
// Per spec, AsyncGeneratorResolve() returns undefined. However, for the // Per spec, AsyncGeneratorResolve() returns undefined. However, for the
// benefit of %TraceExit(), return the Promise. // benefit of %TraceExit(), return the Promise.
Return(promise); Return(CallBuiltin(Builtins::kPerformNativePromiseThen, context, wrapper,
on_fulfilled, UndefinedConstant(), promise));
} }
TF_BUILTIN(AsyncGeneratorReject, AsyncGeneratorBuiltinsAssembler) { TF_BUILTIN(AsyncGeneratorReject, AsyncGeneratorBuiltinsAssembler) {
...@@ -539,65 +523,5 @@ TF_BUILTIN(AsyncGeneratorReject, AsyncGeneratorBuiltinsAssembler) { ...@@ -539,65 +523,5 @@ TF_BUILTIN(AsyncGeneratorReject, AsyncGeneratorBuiltinsAssembler) {
TrueConstant())); TrueConstant()));
} }
TF_BUILTIN(AsyncGeneratorReturnProcessor, AsyncGeneratorBuiltinsAssembler) {
Node* const generator = Parameter(Descriptor::kGenerator);
Node* const req = LoadFirstAsyncGeneratorRequestFromQueue(generator);
CSA_SLOW_ASSERT(this, SmiEqual(LoadResumeTypeFromAsyncGeneratorRequest(req),
SmiConstant(JSGeneratorObject::kReturn)));
ContextInitializer init_closure_context = [&](Node* context) {
StoreContextElementNoWriteBarrier(context, AwaitContext::kGeneratorSlot,
generator);
};
const bool kIsPredictedAsCaught = false;
Node* const context = Parameter(Descriptor::kContext);
Node* const outer_promise = LoadPromiseFromAsyncGeneratorRequest(req);
Node* const value = LoadValueFromAsyncGeneratorRequest(req);
Node* const promise = Await(
context, generator, value, outer_promise, AwaitContext::kLength,
init_closure_context, Context::ASYNC_GENERATOR_RETURN_RESOLVE_SHARED_FUN,
Context::ASYNC_GENERATOR_RETURN_REJECT_SHARED_FUN, kIsPredictedAsCaught);
CSA_SLOW_ASSERT(this, IsGeneratorNotSuspendedForAwait(generator));
StoreObjectField(generator, JSAsyncGeneratorObject::kAwaitedPromiseOffset,
promise);
Return(UndefinedConstant());
}
TF_BUILTIN(AsyncGeneratorReturnResolveClosure,
AsyncGeneratorBuiltinsAssembler) {
Node* const context = Parameter(Descriptor::kContext);
Node* const value = Parameter(Descriptor::kValue);
Node* const generator =
LoadContextElement(context, AwaitContext::kGeneratorSlot);
CSA_SLOW_ASSERT(this, IsGeneratorSuspendedForAwait(generator));
ClearAwaitedPromise(generator);
// Return ! AsyncGeneratorResolve(_F_.[[Generator]], _value_, *true*).
CallBuiltin(Builtins::kAsyncGeneratorResolve, context, generator, value,
TrueConstant());
TailCallBuiltin(Builtins::kAsyncGeneratorResumeNext, context, generator);
}
TF_BUILTIN(AsyncGeneratorReturnRejectClosure, AsyncGeneratorBuiltinsAssembler) {
Node* const context = Parameter(Descriptor::kContext);
Node* const value = Parameter(Descriptor::kValue);
Node* const generator =
LoadContextElement(context, AwaitContext::kGeneratorSlot);
CSA_SLOW_ASSERT(this, IsGeneratorSuspendedForAwait(generator));
ClearAwaitedPromise(generator);
// Return ! AsyncGeneratorReject(_F_.[[Generator]], _reason_).
CallBuiltin(Builtins::kAsyncGeneratorReject, context, generator, value);
TailCallBuiltin(Builtins::kAsyncGeneratorResumeNext, context, generator);
}
} // namespace internal } // namespace internal
} // namespace v8 } // namespace v8
src/builtins/builtins-definitions.h
View file @ 2d79d2c3
...@@ -1050,7 +1050,6 @@ namespace internal { ...@@ -1050,7 +1050,6 @@ namespace internal {
\ \
TFS(AsyncGeneratorResolve, kGenerator, kValue, kDone) \ TFS(AsyncGeneratorResolve, kGenerator, kValue, kDone) \
TFS(AsyncGeneratorReject, kGenerator, kValue) \ TFS(AsyncGeneratorReject, kGenerator, kValue) \
TFS(AsyncGeneratorReturnProcessor, kGenerator) \
TFS(AsyncGeneratorResumeNext, kGenerator) \ TFS(AsyncGeneratorResumeNext, kGenerator) \
\ \
/* AsyncGeneratorFunction( p1, p2, ... pn, body ) */ \ /* AsyncGeneratorFunction( p1, p2, ... pn, body ) */ \
...@@ -1075,8 +1074,6 @@ namespace internal { ...@@ -1075,8 +1074,6 @@ namespace internal {
TFJ(AsyncGeneratorAwaitUncaught, 1, kAwaited) \ TFJ(AsyncGeneratorAwaitUncaught, 1, kAwaited) \
TFJ(AsyncGeneratorAwaitResolveClosure, 1, kValue) \ TFJ(AsyncGeneratorAwaitResolveClosure, 1, kValue) \
TFJ(AsyncGeneratorAwaitRejectClosure, 1, kValue) \ TFJ(AsyncGeneratorAwaitRejectClosure, 1, kValue) \
TFJ(AsyncGeneratorReturnResolveClosure, 1, kValue) \
TFJ(AsyncGeneratorReturnRejectClosure, 1, kValue) \
\ \
/* Async-from-Sync Iterator */ \ /* Async-from-Sync Iterator */ \
\ \
......
src/contexts.h
View file @ 2d79d2c3
...@@ -217,10 +217,6 @@ enum ContextLookupFlags { ...@@ -217,10 +217,6 @@ enum ContextLookupFlags {
async_generator_await_reject_shared_fun) \ async_generator_await_reject_shared_fun) \
V(ASYNC_GENERATOR_AWAIT_RESOLVE_SHARED_FUN, SharedFunctionInfo, \ V(ASYNC_GENERATOR_AWAIT_RESOLVE_SHARED_FUN, SharedFunctionInfo, \
async_generator_await_resolve_shared_fun) \ async_generator_await_resolve_shared_fun) \
V(ASYNC_GENERATOR_RETURN_RESOLVE_SHARED_FUN, SharedFunctionInfo, \
async_generator_return_resolve_shared_fun) \
V(ASYNC_GENERATOR_RETURN_REJECT_SHARED_FUN, SharedFunctionInfo, \
async_generator_return_reject_shared_fun) \
V(ATOMICS_OBJECT, JSObject, atomics_object) \ V(ATOMICS_OBJECT, JSObject, atomics_object) \
V(BOOLEAN_FUNCTION_INDEX, JSFunction, boolean_function) \ V(BOOLEAN_FUNCTION_INDEX, JSFunction, boolean_function) \
V(BOUND_FUNCTION_WITH_CONSTRUCTOR_MAP_INDEX, Map, \ V(BOUND_FUNCTION_WITH_CONSTRUCTOR_MAP_INDEX, Map, \
......
src/interpreter/bytecode-generator.cc
View file @ 2d79d2c3
...@@ -1578,7 +1578,7 @@ void BytecodeGenerator::VisitTryCatchStatement(TryCatchStatement* stmt) { ...@@ -1578,7 +1578,7 @@ void BytecodeGenerator::VisitTryCatchStatement(TryCatchStatement* stmt) {
void BytecodeGenerator::VisitTryFinallyStatement(TryFinallyStatement* stmt) { void BytecodeGenerator::VisitTryFinallyStatement(TryFinallyStatement* stmt) {
// We can't know whether the finally block will override ("catch") an // We can't know whether the finally block will override ("catch") an
// exception thrown in the try block, so we just adopt the outer prediction. // exception thrown in the try bblock, so we just adopt the outer prediction.
TryFinallyBuilder try_control_builder(builder(), catch_prediction()); TryFinallyBuilder try_control_builder(builder(), catch_prediction());
// We keep a record of all paths that enter the finally-block to be able to // We keep a record of all paths that enter the finally-block to be able to
...@@ -2661,7 +2661,6 @@ void BytecodeGenerator::VisitYield(Yield* expr) { ...@@ -2661,7 +2661,6 @@ void BytecodeGenerator::VisitYield(Yield* expr) {
builder()->LoadAccumulatorWithRegister(input); builder()->LoadAccumulatorWithRegister(input);
if (IsAsyncGeneratorFunction(function_kind())) { if (IsAsyncGeneratorFunction(function_kind())) {
// Async generator methods will produce the iter result object. // Async generator methods will produce the iter result object.
BuildAwait(expr->await_return_value_suspend_id());
execution_control()->AsyncReturnAccumulator(); execution_control()->AsyncReturnAccumulator();
} else { } else {
execution_control()->ReturnAccumulator(); execution_control()->ReturnAccumulator();
...@@ -2912,7 +2911,7 @@ void BytecodeGenerator::VisitYieldStar(YieldStar* expr) { ...@@ -2912,7 +2911,7 @@ void BytecodeGenerator::VisitYieldStar(YieldStar* expr) {
builder()->LoadAccumulatorWithRegister(output_value); builder()->LoadAccumulatorWithRegister(output_value);
} }
void BytecodeGenerator::BuildAwait(int suspend_id) { void BytecodeGenerator::VisitAwait(Await* expr) {
// Rather than HandlerTable::UNCAUGHT, async functions use // Rather than HandlerTable::UNCAUGHT, async functions use
// HandlerTable::ASYNC_AWAIT to communicate that top-level exceptions are // HandlerTable::ASYNC_AWAIT to communicate that top-level exceptions are
// transformed into promise rejections. This is necessary to prevent emitting // transformed into promise rejections. This is necessary to prevent emitting
...@@ -2921,6 +2920,8 @@ void BytecodeGenerator::BuildAwait(int suspend_id) { ...@@ -2921,6 +2920,8 @@ void BytecodeGenerator::BuildAwait(int suspend_id) {
// HandlerTable::UNCAUGHT. // HandlerTable::UNCAUGHT.
DCHECK(catch_prediction() != HandlerTable::UNCAUGHT); DCHECK(catch_prediction() != HandlerTable::UNCAUGHT);
builder()->SetExpressionPosition(expr);
VisitForAccumulatorValue(expr->expression());
{ {
// Await(operand) and suspend. // Await(operand) and suspend.
RegisterAllocationScope register_scope(this); RegisterAllocationScope register_scope(this);
...@@ -2957,7 +2958,7 @@ void BytecodeGenerator::BuildAwait(int suspend_id) { ...@@ -2957,7 +2958,7 @@ void BytecodeGenerator::BuildAwait(int suspend_id) {
builder()->CallJSRuntime(await_builtin_context_index, args); builder()->CallJSRuntime(await_builtin_context_index, args);
} }
BuildSuspendPoint(suspend_id); BuildSuspendPoint(expr->suspend_id());
Register input = register_allocator()->NewRegister(); Register input = register_allocator()->NewRegister();
Register resume_mode = register_allocator()->NewRegister(); Register resume_mode = register_allocator()->NewRegister();
...@@ -2975,19 +2976,14 @@ void BytecodeGenerator::BuildAwait(int suspend_id) { ...@@ -2975,19 +2976,14 @@ void BytecodeGenerator::BuildAwait(int suspend_id) {
// Resume with "throw" completion (rethrow the received value). // Resume with "throw" completion (rethrow the received value).
// TODO(leszeks): Add a debug-only check that the accumulator is // TODO(leszeks): Add a debug-only check that the accumulator is
// JSGeneratorObject::kThrow. // JSGeneratorObject::kThrow.
builder()->SetExpressionPosition(expr);
builder()->LoadAccumulatorWithRegister(input).ReThrow(); builder()->LoadAccumulatorWithRegister(input).ReThrow();
// Resume with next. // Resume with next.
builder()->Bind(&resume_next); builder()->Bind(&resume_next);
builder()->LoadAccumulatorWithRegister(input);
}
void BytecodeGenerator::VisitAwait(Await* expr) {
builder()->SetExpressionPosition(expr);
VisitForAccumulatorValue(expr->expression());
BuildAwait(expr->suspend_id());
BuildIncrementBlockCoverageCounterIfEnabled(expr, BuildIncrementBlockCoverageCounterIfEnabled(expr,
SourceRangeKind::kContinuation); SourceRangeKind::kContinuation);
builder()->LoadAccumulatorWithRegister(input);
} }
void BytecodeGenerator::VisitThrow(Throw* expr) { void BytecodeGenerator::VisitThrow(Throw* expr) {
......
src/interpreter/bytecode-generator.h
View file @ 2d79d2c3
...@@ -140,8 +140,7 @@ class BytecodeGenerator final : public AstVisitor<BytecodeGenerator> { ...@@ -140,8 +140,7 @@ class BytecodeGenerator final : public AstVisitor<BytecodeGenerator> {
void BuildGeneratorPrologue(); void BuildGeneratorPrologue();
void BuildSuspendPoint(int suspend_id); void BuildSuspendPoint(int suspend_id);
void BuildAwait(int suspend_id); void BuildAbruptResume(Suspend* expr);
void BuildGetIterator(Expression* iterable, IteratorType hint, void BuildGetIterator(Expression* iterable, IteratorType hint,
FeedbackSlot load_slot, FeedbackSlot call_slot, FeedbackSlot load_slot, FeedbackSlot call_slot,
FeedbackSlot async_load_slot, FeedbackSlot async_load_slot,
......
src/parsing/parser-base.h
View file @ 2d79d2c3
...@@ -1341,17 +1341,9 @@ class ParserBase { ...@@ -1341,17 +1341,9 @@ class ParserBase {
// depending on the current function type. // depending on the current function type.
inline StatementT BuildReturnStatement(ExpressionT expr, int pos, inline StatementT BuildReturnStatement(ExpressionT expr, int pos,
int end_pos = kNoSourcePosition) { int end_pos = kNoSourcePosition) {
if (impl()->IsEmptyExpression(expr)) { return is_async_function()
expr = impl()->GetLiteralUndefined(kNoSourcePosition); ? factory()->NewAsyncReturnStatement(expr, pos, end_pos)
} else if (is_async_generator()) { : factory()->NewReturnStatement(expr, pos, end_pos);
// In async generators, if there is an explicit operand to the return
// statement, await the operand.
expr = factory()->NewAwait(expr, kNoSourcePosition);
}
if (is_async_function()) {
return factory()->NewAsyncReturnStatement(expr, pos, end_pos);
}
return factory()->NewReturnStatement(expr, pos, end_pos);
} }
// Validation per ES6 object literals. // Validation per ES6 object literals.
...@@ -2951,12 +2943,6 @@ typename ParserBase<Impl>::ExpressionT ParserBase<Impl>::ParseYieldExpression( ...@@ -2951,12 +2943,6 @@ typename ParserBase<Impl>::ExpressionT ParserBase<Impl>::ParseYieldExpression(
return impl()->RewriteYieldStar(expression, pos); return impl()->RewriteYieldStar(expression, pos);
} }
if (is_async_generator()) {
// Per https://github.com/tc39/proposal-async-iteration/pull/102, the yield
// operand must be Await-ed in async generators.
expression = factory()->NewAwait(expression, pos);
}
// Hackily disambiguate o from o.next and o [Symbol.iterator](). // Hackily disambiguate o from o.next and o [Symbol.iterator]().
// TODO(verwaest): Come up with a better solution. // TODO(verwaest): Come up with a better solution.
ExpressionT yield = ExpressionT yield =
...@@ -5235,6 +5221,8 @@ typename ParserBase<Impl>::StatementT ParserBase<Impl>::ParseReturnStatement( ...@@ -5235,6 +5221,8 @@ typename ParserBase<Impl>::StatementT ParserBase<Impl>::ParseReturnStatement(
tok == Token::RBRACE || tok == Token::EOS) { tok == Token::RBRACE || tok == Token::EOS) {
if (IsDerivedConstructor(function_state_->kind())) { if (IsDerivedConstructor(function_state_->kind())) {
return_value = impl()->ThisExpression(loc.beg_pos); return_value = impl()->ThisExpression(loc.beg_pos);
} else {
return_value = impl()->GetLiteralUndefined(position());
} }
} else { } else {
return_value = ParseExpression(true, CHECK_OK); return_value = ParseExpression(true, CHECK_OK);
......
src/parsing/parser.cc
View file @ 2d79d2c3
...@@ -4526,14 +4526,11 @@ Expression* Parser::RewriteYieldStar(Expression* iterable, int pos) { ...@@ -4526,14 +4526,11 @@ Expression* Parser::RewriteYieldStar(Expression* iterable, int pos) {
VariableProxy* output_proxy = factory()->NewVariableProxy(var_output); VariableProxy* output_proxy = factory()->NewVariableProxy(var_output);
Expression* literal = factory()->NewStringLiteral( Expression* literal = factory()->NewStringLiteral(
ast_value_factory()->value_string(), nopos); ast_value_factory()->value_string(), nopos);
Assignment* assign = factory()->NewAssignment(
Expression* value = factory()->NewAwait( Token::ASSIGN, output_proxy,
factory()->NewProperty(factory()->NewVariableProxy(var_output), factory()->NewProperty(factory()->NewVariableProxy(var_output),
literal, nopos), literal, nopos),
nopos); nopos);
Assignment* assign =
factory()->NewAssignment(Token::ASSIGN, output_proxy, value, nopos);
loop_body->statements()->Add( loop_body->statements()->Add(
factory()->NewExpressionStatement(assign, nopos), zone()); factory()->NewExpressionStatement(assign, nopos), zone());
} }
......
test/cctest/interpreter/bytecode_expectations/AsyncGenerators.golden
View file @ 2d79d2c3
...@@ -14,7 +14,7 @@ snippet: " ...@@ -14,7 +14,7 @@ snippet: "
" "
frame size: 10 frame size: 10
parameter count: 1 parameter count: 1
bytecode array length: 304 bytecode array length: 216
bytecodes: [ bytecodes: [
B(Mov), R(new_target), R(1), B(Mov), R(new_target), R(1),
B(Ldar), R(new_target), B(Ldar), R(new_target),
...@@ -23,7 +23,7 @@ bytecodes: [ ...@@ -23,7 +23,7 @@ bytecodes: [
B(PushContext), R(3), B(PushContext), R(3),
B(RestoreGeneratorState), R(1), B(RestoreGeneratorState), R(1),
B(Star), R(2), B(Star), R(2),
B(SwitchOnSmiNoFeedback), U8(0), U8(3), I8(0), B(SwitchOnSmiNoFeedback), U8(0), U8(1), I8(0),
B(LdaSmi), I8(81), B(LdaSmi), I8(81),
B(Star), R(3), B(Star), R(3),
B(CallRuntime), U16(Runtime::kAbort), R(3), U8(1), B(CallRuntime), U16(Runtime::kAbort), R(3), U8(1),
...@@ -46,56 +46,22 @@ bytecodes: [ ...@@ -46,56 +46,22 @@ bytecodes: [
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(1), U8(1), B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(1), U8(1),
B(Star), R(7), B(Star), R(7),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(1), U8(1), B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(1), U8(1),
B(SwitchOnSmiNoFeedback), U8(3), U8(2), I8(0), B(SwitchOnSmiNoFeedback), U8(1), U8(2), I8(0),
B(Ldar), R(7), B(Ldar), R(7),
/* 17 E> */ B(Throw), /* 17 E> */ B(Throw),
B(Mov), R(1), R(8),
B(Mov), R(7), R(9),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(8), U8(2),
B(SuspendGenerator), R(1), R(0), U8(8), U8(1),
/* 22 S> */ B(Return),
B(RestoreGeneratorRegisters), R(1), R(0), U8(8),
B(LdaSmi), I8(-2),
B(Star), R(2),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(1), U8(1),
B(Star), R(8),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(1), U8(1),
B(Star), R(9),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(9),
B(JumpIfTrue), U8(5),
B(Ldar), R(8),
B(ReThrow),
B(LdaZero), B(LdaZero),
B(Star), R(3), B(Star), R(3),
B(Mov), R(8), R(4), B(Mov), R(7), R(4),
B(Jump), U8(105), B(Jump), U8(61),
B(LdaUndefined), B(LdaUndefined),
B(Star), R(8), B(Star), R(4),
B(Mov), R(1), R(7),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(7), U8(2),
B(SuspendGenerator), R(1), R(0), U8(7), U8(2),
/* 22 S> */ B(Return),
B(RestoreGeneratorRegisters), R(1), R(0), U8(7),
B(LdaSmi), I8(-2),
B(Star), R(2),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(1), U8(1),
B(Star), R(7),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(1), U8(1),
B(Star), R(8),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(8),
B(JumpIfTrue), U8(5),
B(Ldar), R(7),
B(ReThrow),
B(LdaZero), B(LdaZero),
B(Star), R(3), B(Star), R(3),
B(Mov), R(7), R(4),
B(Jump), U8(53), B(Jump), U8(53),
B(Jump), U8(39), B(Jump), U8(39),
B(Star), R(7), B(Star), R(7),
B(Ldar), R(closure), B(Ldar), R(closure),
B(CreateCatchContext), R(7), U8(5), U8(6), B(CreateCatchContext), R(7), U8(3), U8(4),
B(Star), R(6), B(Star), R(6),
B(LdaTheHole), B(LdaTheHole),
B(SetPendingMessage), B(SetPendingMessage),
...@@ -123,7 +89,7 @@ bytecodes: [ ...@@ -123,7 +89,7 @@ bytecodes: [
B(Ldar), R(5), B(Ldar), R(5),
B(SetPendingMessage), B(SetPendingMessage),
B(Ldar), R(3), B(Ldar), R(3),
B(SwitchOnSmiNoFeedback), U8(7), U8(3), I8(0), B(SwitchOnSmiNoFeedback), U8(5), U8(3), I8(0),
B(Jump), U8(34), B(Jump), U8(34),
B(LdaTrue), B(LdaTrue),
B(Star), R(8), B(Star), R(8),
...@@ -147,9 +113,7 @@ bytecodes: [ ...@@ -147,9 +113,7 @@ bytecodes: [
] ]
constant pool: [ constant pool: [
Smi [46], Smi [46],
Smi [87], Smi [15],
Smi [139],
Smi [59],
Smi [7], Smi [7],
ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"], ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"],
FIXED_ARRAY_TYPE, FIXED_ARRAY_TYPE,
...@@ -158,8 +122,8 @@ constant pool: [ ...@@ -158,8 +122,8 @@ constant pool: [
Smi [35], Smi [35],
] ]
handlers: [ handlers: [
[52, 231, 237], [52, 143, 149],
[55, 192, 194], [55, 104, 106],
] ]
--- ---
...@@ -169,7 +133,7 @@ snippet: " ...@@ -169,7 +133,7 @@ snippet: "
" "
frame size: 10 frame size: 10
parameter count: 1 parameter count: 1
bytecode array length: 446 bytecode array length: 269
bytecodes: [ bytecodes: [
B(Mov), R(new_target), R(1), B(Mov), R(new_target), R(1),
B(Ldar), R(new_target), B(Ldar), R(new_target),
...@@ -178,7 +142,7 @@ bytecodes: [ ...@@ -178,7 +142,7 @@ bytecodes: [
B(PushContext), R(3), B(PushContext), R(3),
B(RestoreGeneratorState), R(1), B(RestoreGeneratorState), R(1),
B(Star), R(2), B(Star), R(2),
B(SwitchOnSmiNoFeedback), U8(0), U8(6), I8(0), B(SwitchOnSmiNoFeedback), U8(0), U8(2), I8(0),
B(LdaSmi), I8(81), B(LdaSmi), I8(81),
B(Star), R(3), B(Star), R(3),
B(CallRuntime), U16(Runtime::kAbort), R(3), U8(1), B(CallRuntime), U16(Runtime::kAbort), R(3), U8(1),
...@@ -201,55 +165,20 @@ bytecodes: [ ...@@ -201,55 +165,20 @@ bytecodes: [
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(1), U8(1), B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(1), U8(1),
B(Star), R(7), B(Star), R(7),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(1), U8(1), B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(1), U8(1),
B(SwitchOnSmiNoFeedback), U8(6), U8(2), I8(0), B(SwitchOnSmiNoFeedback), U8(2), U8(2), I8(0),
B(Ldar), R(7), B(Ldar), R(7),
/* 17 E> */ B(Throw), /* 17 E> */ B(Throw),
B(Mov), R(1), R(8),
B(Mov), R(7), R(9),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(8), U8(2),
B(SuspendGenerator), R(1), R(0), U8(8), U8(1),
/* 31 S> */ B(Return),
B(RestoreGeneratorRegisters), R(1), R(0), U8(8),
B(LdaSmi), I8(-2),
B(Star), R(2),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(1), U8(1),
B(Star), R(8),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(1), U8(1),
B(Star), R(9),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(9),
B(JumpIfTrue), U8(5),
B(Ldar), R(8),
B(ReThrow),
B(LdaZero), B(LdaZero),
B(Star), R(3), B(Star), R(3),
B(Mov), R(8), R(4), B(Mov), R(7), R(4),
B(Jump), U8(247), B(Jump), U8(114),
/* 22 S> */ B(LdaSmi), I8(42), /* 22 S> */ B(LdaSmi), I8(42),
B(Star), R(8),
B(Mov), R(1), R(7),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(7), U8(2),
B(SuspendGenerator), R(1), R(0), U8(7), U8(4),
/* 31 S> */ B(Return),
B(RestoreGeneratorRegisters), R(1), R(0), U8(7),
B(LdaSmi), I8(-2),
B(Star), R(2),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(1), U8(1),
B(Star), R(7),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(1), U8(1),
B(Star), R(8),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(8),
B(JumpIfTrue), U8(5),
B(Ldar), R(7),
B(ReThrow),
B(Ldar), R(7),
B(Star), R(8), B(Star), R(8),
B(LdaFalse), B(LdaFalse),
B(Star), R(9), B(Star), R(9),
B(Mov), R(1), R(7), B(Mov), R(1), R(7),
B(InvokeIntrinsic), U8(Runtime::k_AsyncGeneratorResolve), R(7), U8(3), B(InvokeIntrinsic), U8(Runtime::k_AsyncGeneratorResolve), R(7), U8(3),
B(SuspendGenerator), R(1), R(0), U8(7), U8(2), B(SuspendGenerator), R(1), R(0), U8(7), U8(1),
/* 31 S> */ B(Return), /* 31 S> */ B(Return),
B(RestoreGeneratorRegisters), R(1), R(0), U8(7), B(RestoreGeneratorRegisters), R(1), R(0), U8(7),
B(LdaSmi), I8(-2), B(LdaSmi), I8(-2),
...@@ -257,56 +186,22 @@ bytecodes: [ ...@@ -257,56 +186,22 @@ bytecodes: [
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(1), U8(1), B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(1), U8(1),
B(Star), R(7), B(Star), R(7),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(1), U8(1), B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(1), U8(1),
B(SwitchOnSmiNoFeedback), U8(8), U8(2), I8(0), B(SwitchOnSmiNoFeedback), U8(4), U8(2), I8(0),
B(Ldar), R(7), B(Ldar), R(7),
/* 22 E> */ B(Throw), /* 22 E> */ B(Throw),
B(Mov), R(1), R(8),
B(Mov), R(7), R(9),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(8), U8(2),
B(SuspendGenerator), R(1), R(0), U8(8), U8(3),
/* 31 S> */ B(Return),
B(RestoreGeneratorRegisters), R(1), R(0), U8(8),
B(LdaSmi), I8(-2),
B(Star), R(2),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(1), U8(1),
B(Star), R(8),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(1), U8(1),
B(Star), R(9),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(9),
B(JumpIfTrue), U8(5),
B(Ldar), R(8),
B(ReThrow),
B(LdaZero), B(LdaZero),
B(Star), R(3), B(Star), R(3),
B(Mov), R(8), R(4), B(Mov), R(7), R(4),
B(Jump), U8(105), B(Jump), U8(61),
B(LdaUndefined), B(LdaUndefined),
B(Star), R(8), B(Star), R(4),
B(Mov), R(1), R(7),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(7), U8(2),
B(SuspendGenerator), R(1), R(0), U8(7), U8(5),
/* 31 S> */ B(Return),
B(RestoreGeneratorRegisters), R(1), R(0), U8(7),
B(LdaSmi), I8(-2),
B(Star), R(2),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(1), U8(1),
B(Star), R(7),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(1), U8(1),
B(Star), R(8),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(8),
B(JumpIfTrue), U8(5),
B(Ldar), R(7),
B(ReThrow),
B(LdaZero), B(LdaZero),
B(Star), R(3), B(Star), R(3),
B(Mov), R(7), R(4),
B(Jump), U8(53), B(Jump), U8(53),
B(Jump), U8(39), B(Jump), U8(39),
B(Star), R(7), B(Star), R(7),
B(Ldar), R(closure), B(Ldar), R(closure),
B(CreateCatchContext), R(7), U8(10), U8(11), B(CreateCatchContext), R(7), U8(6), U8(7),
B(Star), R(6), B(Star), R(6),
B(LdaTheHole), B(LdaTheHole),
B(SetPendingMessage), B(SetPendingMessage),
...@@ -334,7 +229,7 @@ bytecodes: [ ...@@ -334,7 +229,7 @@ bytecodes: [
B(Ldar), R(5), B(Ldar), R(5),
B(SetPendingMessage), B(SetPendingMessage),
B(Ldar), R(3), B(Ldar), R(3),
B(SwitchOnSmiNoFeedback), U8(12), U8(3), I8(0), B(SwitchOnSmiNoFeedback), U8(8), U8(3), I8(0),
B(Jump), U8(34), B(Jump), U8(34),
B(LdaTrue), B(LdaTrue),
B(Star), R(8), B(Star), R(8),
...@@ -358,14 +253,10 @@ bytecodes: [ ...@@ -358,14 +253,10 @@ bytecodes: [
] ]
constant pool: [ constant pool: [
Smi [46], Smi [46],
Smi [87], Smi [99],
Smi [188], Smi [15],
Smi [229],
Smi [140],
Smi [281],
Smi [59],
Smi [7], Smi [7],
Smi [59], Smi [15],
Smi [7], Smi [7],
ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"], ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"],
FIXED_ARRAY_TYPE, FIXED_ARRAY_TYPE,
...@@ -374,8 +265,8 @@ constant pool: [ ...@@ -374,8 +265,8 @@ constant pool: [
Smi [35], Smi [35],
] ]
handlers: [ handlers: [
[52, 373, 379], [52, 196, 202],
[55, 334, 336], [55, 157, 159],
] ]
--- ---
...@@ -385,7 +276,7 @@ snippet: " ...@@ -385,7 +276,7 @@ snippet: "
" "
frame size: 23 frame size: 23
parameter count: 1 parameter count: 1
bytecode array length: 742 bytecode array length: 565
bytecodes: [ bytecodes: [
B(Mov), R(new_target), R(10), B(Mov), R(new_target), R(10),
B(Ldar), R(new_target), B(Ldar), R(new_target),
...@@ -394,7 +285,7 @@ bytecodes: [ ...@@ -394,7 +285,7 @@ bytecodes: [
B(PushContext), R(12), B(PushContext), R(12),
B(RestoreGeneratorState), R(10), B(RestoreGeneratorState), R(10),
B(Star), R(11), B(Star), R(11),
B(SwitchOnSmiNoFeedback), U8(0), U8(6), I8(0), B(SwitchOnSmiNoFeedback), U8(0), U8(2), I8(0),
B(LdaSmi), I8(81), B(LdaSmi), I8(81),
B(Star), R(12), B(Star), R(12),
B(CallRuntime), U16(Runtime::kAbort), R(12), U8(1), B(CallRuntime), U16(Runtime::kAbort), R(12), U8(1),
...@@ -417,53 +308,36 @@ bytecodes: [ ...@@ -417,53 +308,36 @@ bytecodes: [
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(10), U8(1), B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(10), U8(1),
B(Star), R(16), B(Star), R(16),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(10), U8(1), B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(10), U8(1),
B(SwitchOnSmiNoFeedback), U8(6), U8(2), I8(0), B(SwitchOnSmiNoFeedback), U8(2), U8(2), I8(0),
B(Ldar), R(16), B(Ldar), R(16),
/* 17 E> */ B(Throw), /* 17 E> */ B(Throw),
B(Mov), R(10), R(17),
B(Mov), R(16), R(18),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(17), U8(2),
B(SuspendGenerator), R(10), R(0), U8(17), U8(1),
/* 50 S> */ B(Return),
B(RestoreGeneratorRegisters), R(10), R(0), U8(17),
B(LdaSmi), I8(-2),
B(Star), R(11),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(10), U8(1),
B(Star), R(17),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(10), U8(1),
B(Star), R(18),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(18),
B(JumpIfTrue), U8(5),
B(Ldar), R(17),
B(ReThrow),
B(LdaZero), B(LdaZero),
B(Star), R(12), B(Star), R(12),
B(Mov), R(17), R(13), B(Mov), R(16), R(13),
B(JumpConstant), U8(26), B(JumpConstant), U8(20),
B(LdaTheHole), B(LdaTheHole),
B(Star), R(1), B(Star), R(1),
B(LdaZero), B(LdaZero),
B(Star), R(6), B(Star), R(6),
B(Mov), R(context), R(18), B(Mov), R(context), R(18),
B(Mov), R(context), R(19), B(Mov), R(context), R(19),
/* 36 S> */ B(CreateArrayLiteral), U8(8), U8(0), U8(37), /* 36 S> */ B(CreateArrayLiteral), U8(4), U8(0), U8(37),
B(Star), R(20), B(Star), R(20),
B(LdaNamedProperty), R(20), U8(9), U8(1), B(LdaNamedProperty), R(20), U8(5), U8(1),
B(Star), R(21), B(Star), R(21),
B(CallProperty0), R(21), R(20), U8(3), B(CallProperty0), R(21), R(20), U8(3),
B(JumpIfJSReceiver), U8(7), B(JumpIfJSReceiver), U8(7),
B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0), B(CallRuntime), U16(Runtime::kThrowSymbolIteratorInvalid), R(0), U8(0),
B(Star), R(4), B(Star), R(4),
B(Ldar), R(11), B(Ldar), R(11),
B(SwitchOnSmiNoFeedback), U8(10), U8(3), I8(2), B(SwitchOnSmiNoFeedback), U8(6), U8(1), I8(1),
B(LdaSmi), I8(-2), B(LdaSmi), I8(-2),
/* 36 E> */ B(TestEqualStrictNoFeedback), R(11), /* 36 E> */ B(TestEqualStrictNoFeedback), R(11),
B(JumpIfTrue), U8(11), B(JumpIfTrue), U8(11),
B(LdaSmi), I8(81), B(LdaSmi), I8(81),
B(Star), R(20), B(Star), R(20),
B(CallRuntime), U16(Runtime::kAbort), R(20), U8(1), B(CallRuntime), U16(Runtime::kAbort), R(20), U8(1),
/* 31 S> */ B(LdaNamedProperty), R(4), U8(13), U8(7), /* 31 S> */ B(LdaNamedProperty), R(4), U8(7), U8(7),
B(Star), R(20), B(Star), R(20),
B(CallProperty0), R(20), R(4), U8(5), B(CallProperty0), R(20), R(4), U8(5),
B(Star), R(5), B(Star), R(5),
...@@ -471,39 +345,21 @@ bytecodes: [ ...@@ -471,39 +345,21 @@ bytecodes: [
B(ToBooleanLogicalNot), B(ToBooleanLogicalNot),
B(JumpIfFalse), U8(7), B(JumpIfFalse), U8(7),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(5), U8(1), B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(5), U8(1),
B(LdaNamedProperty), R(5), U8(14), U8(9), B(LdaNamedProperty), R(5), U8(8), U8(9),
B(JumpIfToBooleanTrue), U8(166), B(JumpIfToBooleanTrue), U8(77),
B(LdaNamedProperty), R(5), U8(15), U8(11), B(LdaNamedProperty), R(5), U8(9), U8(11),
B(Star), R(7), B(Star), R(7),
B(LdaSmi), I8(2), B(LdaSmi), I8(2),
B(Star), R(6), B(Star), R(6),
B(Mov), R(7), R(3), B(Mov), R(7), R(3),
/* 22 E> */ B(StackCheck), /* 22 E> */ B(StackCheck),
B(Mov), R(3), R(0), B(Mov), R(3), R(0),
/* 42 S> */ B(Mov), R(10), R(20), /* 42 S> */ B(LdaFalse),
B(Mov), R(0), R(21),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(20), U8(2),
B(SuspendGenerator), R(10), R(0), U8(20), U8(4),
/* 50 S> */ B(Return),
B(RestoreGeneratorRegisters), R(10), R(0), U8(20),
B(LdaSmi), I8(-2),
B(Star), R(11),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(10), U8(1),
B(Star), R(20),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(10), U8(1),
B(Star), R(21),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(21),
B(JumpIfTrue), U8(5),
B(Ldar), R(20),
B(ReThrow),
B(Ldar), R(20),
B(Star), R(21),
B(LdaFalse),
B(Star), R(22), B(Star), R(22),
B(Mov), R(10), R(20), B(Mov), R(10), R(20),
B(Mov), R(0), R(21),
B(InvokeIntrinsic), U8(Runtime::k_AsyncGeneratorResolve), R(20), U8(3), B(InvokeIntrinsic), U8(Runtime::k_AsyncGeneratorResolve), R(20), U8(3),
B(SuspendGenerator), R(10), R(0), U8(20), U8(2), B(SuspendGenerator), R(10), R(0), U8(20), U8(1),
/* 50 S> */ B(Return), /* 50 S> */ B(Return),
B(RestoreGeneratorRegisters), R(10), R(0), U8(20), B(RestoreGeneratorRegisters), R(10), R(0), U8(20),
B(LdaSmi), I8(-2), B(LdaSmi), I8(-2),
...@@ -511,37 +367,20 @@ bytecodes: [ ...@@ -511,37 +367,20 @@ bytecodes: [
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(10), U8(1), B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(10), U8(1),
B(Star), R(20), B(Star), R(20),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(10), U8(1), B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(10), U8(1),
B(SwitchOnSmiNoFeedback), U8(16), U8(2), I8(0), B(SwitchOnSmiNoFeedback), U8(10), U8(2), I8(0),
B(Ldar), R(20), B(Ldar), R(20),
/* 42 E> */ B(Throw), /* 42 E> */ B(Throw),
B(Mov), R(10), R(21),
B(Mov), R(20), R(22),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(21), U8(2),
B(SuspendGenerator), R(10), R(0), U8(21), U8(3),
/* 50 S> */ B(Return),
B(RestoreGeneratorRegisters), R(10), R(0), U8(21),
B(LdaSmi), I8(-2),
B(Star), R(11),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(10), U8(1),
B(Star), R(21),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(10), U8(1),
B(Star), R(22),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(22),
B(JumpIfTrue), U8(5),
B(Ldar), R(21),
B(ReThrow),
B(LdaZero), B(LdaZero),
B(Star), R(16), B(Star), R(16),
B(Mov), R(21), R(17), B(Mov), R(20), R(17),
B(Jump), U8(60), B(Jump), U8(60),
B(LdaZero), B(LdaZero),
B(Star), R(6), B(Star), R(6),
B(JumpLoop), U8(212), I8(0), B(JumpLoop), U8(123), I8(0),
B(Jump), U8(40), B(Jump), U8(40),
B(Star), R(20), B(Star), R(20),
B(Ldar), R(closure), B(Ldar), R(closure),
B(CreateCatchContext), R(20), U8(18), U8(19), B(CreateCatchContext), R(20), U8(12), U8(13),
B(Star), R(19), B(Star), R(19),
B(LdaTheHole), B(LdaTheHole),
B(SetPendingMessage), B(SetPendingMessage),
...@@ -568,7 +407,7 @@ bytecodes: [ ...@@ -568,7 +407,7 @@ bytecodes: [
B(LdaZero), B(LdaZero),
B(TestEqualStrict), R(6), U8(14), B(TestEqualStrict), R(6), U8(14),
B(JumpIfTrue), U8(104), B(JumpIfTrue), U8(104),
B(LdaNamedProperty), R(4), U8(20), U8(15), B(LdaNamedProperty), R(4), U8(14), U8(15),
B(Star), R(8), B(Star), R(8),
B(TestUndetectable), B(TestUndetectable),
B(JumpIfFalse), U8(4), B(JumpIfFalse), U8(4),
...@@ -582,7 +421,7 @@ bytecodes: [ ...@@ -582,7 +421,7 @@ bytecodes: [
B(Jump), U8(18), B(Jump), U8(18),
B(Wide), B(LdaSmi), I16(132), B(Wide), B(LdaSmi), I16(132),
B(Star), R(19), B(Star), R(19),
B(LdaConstant), U8(21), B(LdaConstant), U8(15),
B(Star), R(20), B(Star), R(20),
B(CallRuntime), U16(Runtime::kNewTypeError), R(19), U8(2), B(CallRuntime), U16(Runtime::kNewTypeError), R(19), U8(2),
B(Throw), B(Throw),
...@@ -593,7 +432,7 @@ bytecodes: [ ...@@ -593,7 +432,7 @@ bytecodes: [
B(Jump), U8(20), B(Jump), U8(20),
B(Star), R(20), B(Star), R(20),
B(Ldar), R(closure), B(Ldar), R(closure),
B(CreateCatchContext), R(20), U8(18), U8(22), B(CreateCatchContext), R(20), U8(12), U8(16),
B(Star), R(19), B(Star), R(19),
B(LdaTheHole), B(LdaTheHole),
B(SetPendingMessage), B(SetPendingMessage),
...@@ -612,40 +451,23 @@ bytecodes: [ ...@@ -612,40 +451,23 @@ bytecodes: [
B(Ldar), R(18), B(Ldar), R(18),
B(SetPendingMessage), B(SetPendingMessage),
B(Ldar), R(16), B(Ldar), R(16),
B(SwitchOnSmiNoFeedback), U8(23), U8(2), I8(0), B(SwitchOnSmiNoFeedback), U8(17), U8(2), I8(0),
B(Jump), U8(13), B(Jump), U8(13),
B(LdaZero), B(LdaZero),
B(Star), R(12), B(Star), R(12),
B(Mov), R(17), R(13), B(Mov), R(17), R(13),
B(Jump), U8(108), B(Jump), U8(64),
B(Ldar), R(17), B(Ldar), R(17),
B(ReThrow), B(ReThrow),
B(LdaUndefined), B(LdaUndefined),
B(Star), R(17), B(Star), R(13),
B(Mov), R(10), R(16),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(16), U8(2),
B(SuspendGenerator), R(10), R(0), U8(16), U8(5),
/* 50 S> */ B(Return),
B(RestoreGeneratorRegisters), R(10), R(0), U8(16),
B(LdaSmi), I8(-2),
B(Star), R(11),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(10), U8(1),
B(Star), R(16),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(10), U8(1),
B(Star), R(17),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(17),
B(JumpIfTrue), U8(5),
B(Ldar), R(16),
B(ReThrow),
B(LdaZero), B(LdaZero),
B(Star), R(12), B(Star), R(12),
B(Mov), R(16), R(13),
B(Jump), U8(53), B(Jump), U8(53),
B(Jump), U8(39), B(Jump), U8(39),
B(Star), R(16), B(Star), R(16),
B(Ldar), R(closure), B(Ldar), R(closure),
B(CreateCatchContext), R(16), U8(18), U8(25), B(CreateCatchContext), R(16), U8(12), U8(19),
B(Star), R(15), B(Star), R(15),
B(LdaTheHole), B(LdaTheHole),
B(SetPendingMessage), B(SetPendingMessage),
...@@ -673,7 +495,7 @@ bytecodes: [ ...@@ -673,7 +495,7 @@ bytecodes: [
B(Ldar), R(14), B(Ldar), R(14),
B(SetPendingMessage), B(SetPendingMessage),
B(Ldar), R(12), B(Ldar), R(12),
B(SwitchOnSmiNoFeedback), U8(27), U8(3), I8(0), B(SwitchOnSmiNoFeedback), U8(21), U8(3), I8(0),
B(Jump), U8(34), B(Jump), U8(34),
B(LdaTrue), B(LdaTrue),
B(Star), R(17), B(Star), R(17),
...@@ -697,22 +519,16 @@ bytecodes: [ ...@@ -697,22 +519,16 @@ bytecodes: [
] ]
constant pool: [ constant pool: [
Smi [46], Smi [46],
Smi [87], Smi [116],
Smi [160], Smi [15],
Smi [160],
Smi [160],
Smi [577],
Smi [59],
Smi [7], Smi [7],
TUPLE2_TYPE, TUPLE2_TYPE,
SYMBOL_TYPE, SYMBOL_TYPE,
Smi [130], Smi [85],
Smi [171],
Smi [82],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"], ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"], ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"], ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
Smi [59], Smi [15],
Smi [7], Smi [7],
ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"], ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"],
FIXED_ARRAY_TYPE, FIXED_ARRAY_TYPE,
...@@ -722,17 +538,17 @@ constant pool: [ ...@@ -722,17 +538,17 @@ constant pool: [
Smi [6], Smi [6],
Smi [14], Smi [14],
FIXED_ARRAY_TYPE, FIXED_ARRAY_TYPE,
Smi [543], Smi [410],
Smi [6], Smi [6],
Smi [28], Smi [28],
Smi [35], Smi [35],
] ]
handlers: [ handlers: [
[52, 669, 675], [52, 492, 498],
[55, 630, 632], [55, 453, 455],
[149, 432, 438], [105, 299, 305],
[152, 392, 394], [108, 259, 261],
[499, 509, 511], [366, 376, 378],
] ]
--- ---
...@@ -743,7 +559,7 @@ snippet: " ...@@ -743,7 +559,7 @@ snippet: "
" "
frame size: 19 frame size: 19
parameter count: 1 parameter count: 1
bytecode array length: 1084 bytecode array length: 864
bytecodes: [ bytecodes: [
B(Mov), R(new_target), R(9), B(Mov), R(new_target), R(9),
B(Ldar), R(new_target), B(Ldar), R(new_target),
...@@ -752,7 +568,7 @@ bytecodes: [ ...@@ -752,7 +568,7 @@ bytecodes: [
B(PushContext), R(11), B(PushContext), R(11),
B(RestoreGeneratorState), R(9), B(RestoreGeneratorState), R(9),
B(Star), R(10), B(Star), R(10),
B(SwitchOnSmiNoFeedback), U8(0), U8(13), I8(0), B(SwitchOnSmiNoFeedback), U8(0), U8(7), I8(0),
B(LdaSmi), I8(81), B(LdaSmi), I8(81),
B(Star), R(11), B(Star), R(11),
B(CallRuntime), U16(Runtime::kAbort), R(11), U8(1), B(CallRuntime), U16(Runtime::kAbort), R(11), U8(1),
...@@ -775,55 +591,38 @@ bytecodes: [ ...@@ -775,55 +591,38 @@ bytecodes: [
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(9), U8(1), B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(9), U8(1),
B(Star), R(15), B(Star), R(15),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(9), U8(1), B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(9), U8(1),
B(SwitchOnSmiNoFeedback), U8(13), U8(2), I8(0), B(SwitchOnSmiNoFeedback), U8(7), U8(2), I8(0),
B(Ldar), R(15), B(Ldar), R(15),
/* 44 E> */ B(Throw), /* 44 E> */ B(Throw),
B(Mov), R(9), R(16),
B(Mov), R(15), R(17),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(16), U8(2),
B(SuspendGenerator), R(9), R(0), U8(16), U8(1),
/* 60 S> */ B(Return),
B(RestoreGeneratorRegisters), R(9), R(0), U8(16),
B(LdaSmi), I8(-2),
B(Star), R(10),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(9), U8(1),
B(Star), R(16),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(9), U8(1),
B(Star), R(17),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(17),
B(JumpIfTrue), U8(5),
B(Ldar), R(16),
B(ReThrow),
B(LdaZero), B(LdaZero),
B(Star), R(11), B(Star), R(11),
B(Mov), R(16), R(12), B(Mov), R(15), R(12),
B(JumpConstant), U8(39), B(JumpConstant), U8(30),
/* 49 S> */ B(LdaUndefined), /* 49 S> */ B(LdaUndefined),
B(Star), R(1), B(Star), R(1),
B(LdaZero), B(LdaZero),
B(Star), R(2), B(Star), R(2),
B(LdaUndefined), B(LdaUndefined),
B(Star), R(3), B(Star), R(3),
B(LdaGlobal), U8(15), U8(2), B(LdaGlobal), U8(9), U8(2),
B(Star), R(17), B(Star), R(17),
/* 56 E> */ B(CallUndefinedReceiver0), R(17), U8(0), /* 56 E> */ B(CallUndefinedReceiver0), R(17), U8(0),
B(Star), R(15), B(Star), R(15),
B(LdaNamedProperty), R(15), U8(16), U8(8), B(LdaNamedProperty), R(15), U8(10), U8(8),
B(JumpIfUndefined), U8(17), B(JumpIfUndefined), U8(17),
B(JumpIfNull), U8(15), B(JumpIfNull), U8(15),
B(Star), R(16), B(Star), R(16),
B(CallProperty0), R(16), R(15), U8(10), B(CallProperty0), R(16), R(15), U8(10),
B(JumpIfJSReceiver), U8(23), B(JumpIfJSReceiver), U8(23),
B(CallRuntime), U16(Runtime::kThrowSymbolAsyncIteratorInvalid), R(0), U8(0), B(CallRuntime), U16(Runtime::kThrowSymbolAsyncIteratorInvalid), R(0), U8(0),
B(LdaNamedProperty), R(15), U8(17), U8(4), B(LdaNamedProperty), R(15), U8(11), U8(4),
B(Star), R(16), B(Star), R(16),
B(CallProperty0), R(16), R(15), U8(6), B(CallProperty0), R(16), R(15), U8(6),
B(Star), R(16), B(Star), R(16),
B(InvokeIntrinsic), U8(Runtime::k_CreateAsyncFromSyncIterator), R(16), U8(1), B(InvokeIntrinsic), U8(Runtime::k_CreateAsyncFromSyncIterator), R(16), U8(1),
B(Star), R(4), B(Star), R(4),
B(Ldar), R(10), B(Ldar), R(10),
B(SwitchOnSmiNoFeedback), U8(18), U8(9), I8(2), B(SwitchOnSmiNoFeedback), U8(12), U8(6), I8(1),
B(LdaSmi), I8(-2), B(LdaSmi), I8(-2),
B(TestEqualStrictNoFeedback), R(10), B(TestEqualStrictNoFeedback), R(10),
B(JumpIfTrue), U8(11), B(JumpIfTrue), U8(11),
...@@ -840,15 +639,15 @@ bytecodes: [ ...@@ -840,15 +639,15 @@ bytecodes: [
B(JumpIfTrue), U8(83), B(JumpIfTrue), U8(83),
B(LdaSmi), I8(2), B(LdaSmi), I8(2),
B(TestEqualStrict), R(15), U8(29), B(TestEqualStrict), R(15), U8(29),
B(JumpIfTrue), U8(211), B(JumpIfTrue), U8(167),
B(JumpConstant), U8(33), B(JumpConstant), U8(24),
B(LdaNamedProperty), R(4), U8(27), U8(14), B(LdaNamedProperty), R(4), U8(18), U8(14),
B(Star), R(16), B(Star), R(16),
B(CallProperty1), R(16), R(4), R(1), U8(12), B(CallProperty1), R(16), R(4), R(1), U8(12),
B(Star), R(17), B(Star), R(17),
B(Mov), R(9), R(16), B(Mov), R(9), R(16),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(16), U8(2), B(CallJSRuntime), U8(%async_generator_await_uncaught), R(16), U8(2),
B(SuspendGenerator), R(9), R(0), U8(16), U8(2), B(SuspendGenerator), R(9), R(0), U8(16), U8(1),
/* 60 S> */ B(Return), /* 60 S> */ B(Return),
B(RestoreGeneratorRegisters), R(9), R(0), U8(16), B(RestoreGeneratorRegisters), R(9), R(0), U8(16),
B(LdaSmi), I8(-2), B(LdaSmi), I8(-2),
...@@ -867,32 +666,15 @@ bytecodes: [ ...@@ -867,32 +666,15 @@ bytecodes: [
B(JumpIfToBooleanFalse), U8(4), B(JumpIfToBooleanFalse), U8(4),
B(Jump), U8(7), B(Jump), U8(7),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(3), U8(1), B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(3), U8(1),
B(JumpConstant), U8(34), B(JumpConstant), U8(25),
B(LdaNamedProperty), R(4), U8(28), U8(17), B(LdaNamedProperty), R(4), U8(19), U8(17),
B(Star), R(3), B(Star), R(3),
B(TestUndetectable), B(TestUndetectable),
B(JumpIfFalse), U8(54), B(JumpIfFalse), U8(10),
B(Mov), R(9), R(16),
B(Mov), R(1), R(17),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(16), U8(2),
B(SuspendGenerator), R(9), R(0), U8(16), U8(3),
/* 60 S> */ B(Return),
B(RestoreGeneratorRegisters), R(9), R(0), U8(16),
B(LdaSmi), I8(-2),
B(Star), R(10),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(9), U8(1),
B(Star), R(16),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(9), U8(1),
B(Star), R(17),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(17),
B(JumpIfTrue), U8(5),
B(Ldar), R(16),
B(ReThrow),
B(LdaZero), B(LdaZero),
B(Star), R(11), B(Star), R(11),
B(Mov), R(16), R(12), B(Mov), R(1), R(12),
B(JumpConstant), U8(40), B(JumpConstant), U8(31),
B(Mov), R(3), R(16), B(Mov), R(3), R(16),
B(Mov), R(4), R(17), B(Mov), R(4), R(17),
B(Mov), R(1), R(18), B(Mov), R(1), R(18),
...@@ -900,7 +682,7 @@ bytecodes: [ ...@@ -900,7 +682,7 @@ bytecodes: [
B(Star), R(17), B(Star), R(17),
B(Mov), R(9), R(16), B(Mov), R(9), R(16),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(16), U8(2), B(CallJSRuntime), U8(%async_generator_await_uncaught), R(16), U8(2),
B(SuspendGenerator), R(9), R(0), U8(16), U8(4), B(SuspendGenerator), R(9), R(0), U8(16), U8(2),
/* 60 S> */ B(Return), /* 60 S> */ B(Return),
B(RestoreGeneratorRegisters), R(9), R(0), U8(16), B(RestoreGeneratorRegisters), R(9), R(0), U8(16),
B(LdaSmi), I8(-2), B(LdaSmi), I8(-2),
...@@ -919,12 +701,12 @@ bytecodes: [ ...@@ -919,12 +701,12 @@ bytecodes: [
B(JumpIfToBooleanFalse), U8(4), B(JumpIfToBooleanFalse), U8(4),
B(Jump), U8(7), B(Jump), U8(7),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(3), U8(1), B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(3), U8(1),
B(JumpConstant), U8(35), B(JumpConstant), U8(26),
B(LdaNamedProperty), R(4), U8(29), U8(21), B(LdaNamedProperty), R(4), U8(20), U8(21),
B(Star), R(5), B(Star), R(5),
B(TestUndetectable), B(TestUndetectable),
B(JumpIfFalse), U8(212), B(JumpIfFalse), U8(212),
B(LdaNamedProperty), R(4), U8(28), U8(24), B(LdaNamedProperty), R(4), U8(19), U8(24),
B(Star), R(6), B(Star), R(6),
B(TestUndetectable), B(TestUndetectable),
B(JumpIfFalse), U8(4), B(JumpIfFalse), U8(4),
...@@ -940,7 +722,7 @@ bytecodes: [ ...@@ -940,7 +722,7 @@ bytecodes: [
B(Jump), U8(18), B(Jump), U8(18),
B(Wide), B(LdaSmi), I16(132), B(Wide), B(LdaSmi), I16(132),
B(Star), R(16), B(Star), R(16),
B(LdaConstant), U8(30), B(LdaConstant), U8(21),
B(Star), R(17), B(Star), R(17),
B(CallRuntime), U16(Runtime::kNewTypeError), R(16), U8(2), B(CallRuntime), U16(Runtime::kNewTypeError), R(16), U8(2),
B(Throw), B(Throw),
...@@ -951,7 +733,7 @@ bytecodes: [ ...@@ -951,7 +733,7 @@ bytecodes: [
B(Star), R(18), B(Star), R(18),
B(Mov), R(9), R(17), B(Mov), R(9), R(17),
B(CallJSRuntime), U8(%async_generator_await_caught), R(17), U8(2), B(CallJSRuntime), U8(%async_generator_await_caught), R(17), U8(2),
B(SuspendGenerator), R(9), R(0), U8(17), U8(5), B(SuspendGenerator), R(9), R(0), U8(17), U8(3),
/* 60 S> */ B(Return), /* 60 S> */ B(Return),
B(RestoreGeneratorRegisters), R(9), R(0), U8(17), B(RestoreGeneratorRegisters), R(9), R(0), U8(17),
B(LdaSmi), I8(-2), B(LdaSmi), I8(-2),
...@@ -969,7 +751,7 @@ bytecodes: [ ...@@ -969,7 +751,7 @@ bytecodes: [
B(Jump), U8(20), B(Jump), U8(20),
B(Star), R(17), B(Star), R(17),
B(Ldar), R(closure), B(Ldar), R(closure),
B(CreateCatchContext), R(17), U8(31), U8(32), B(CreateCatchContext), R(17), U8(22), U8(23),
B(Star), R(16), B(Star), R(16),
B(LdaTheHole), B(LdaTheHole),
B(SetPendingMessage), B(SetPendingMessage),
...@@ -983,7 +765,7 @@ bytecodes: [ ...@@ -983,7 +765,7 @@ bytecodes: [
B(Star), R(17), B(Star), R(17),
B(Mov), R(9), R(16), B(Mov), R(9), R(16),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(16), U8(2), B(CallJSRuntime), U8(%async_generator_await_uncaught), R(16), U8(2),
B(SuspendGenerator), R(9), R(0), U8(16), U8(6), B(SuspendGenerator), R(9), R(0), U8(16), U8(4),
/* 60 S> */ B(Return), /* 60 S> */ B(Return),
B(RestoreGeneratorRegisters), R(9), R(0), U8(16), B(RestoreGeneratorRegisters), R(9), R(0), U8(16),
B(LdaSmi), I8(-2), B(LdaSmi), I8(-2),
...@@ -1004,7 +786,7 @@ bytecodes: [ ...@@ -1004,7 +786,7 @@ bytecodes: [
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(7), U8(1), B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(7), U8(1),
B(Wide), B(LdaSmi), I16(146), B(Wide), B(LdaSmi), I16(146),
B(Star), R(16), B(Star), R(16),
B(LdaConstant), U8(30), B(LdaConstant), U8(21),
B(Star), R(17), B(Star), R(17),
B(CallRuntime), U16(Runtime::kNewTypeError), R(16), U8(2), B(CallRuntime), U16(Runtime::kNewTypeError), R(16), U8(2),
B(Throw), B(Throw),
...@@ -1015,7 +797,7 @@ bytecodes: [ ...@@ -1015,7 +797,7 @@ bytecodes: [
B(Star), R(17), B(Star), R(17),
B(Mov), R(9), R(16), B(Mov), R(9), R(16),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(16), U8(2), B(CallJSRuntime), U8(%async_generator_await_uncaught), R(16), U8(2),
B(SuspendGenerator), R(9), R(0), U8(16), U8(7), B(SuspendGenerator), R(9), R(0), U8(16), U8(5),
/* 60 S> */ B(Return), /* 60 S> */ B(Return),
B(RestoreGeneratorRegisters), R(9), R(0), U8(16), B(RestoreGeneratorRegisters), R(9), R(0), U8(16),
B(LdaSmi), I8(-2), B(LdaSmi), I8(-2),
...@@ -1035,34 +817,17 @@ bytecodes: [ ...@@ -1035,34 +817,17 @@ bytecodes: [
B(Jump), U8(7), B(Jump), U8(7),
B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(3), U8(1), B(CallRuntime), U16(Runtime::kThrowIteratorResultNotAnObject), R(3), U8(1),
B(Jump), U8(2), B(Jump), U8(2),
B(LdaNamedProperty), R(3), U8(36), U8(30), B(LdaNamedProperty), R(3), U8(27), U8(30),
B(JumpIfToBooleanFalse), U8(4), B(JumpIfToBooleanFalse), U8(4),
B(Jump), U8(101), B(Jump), U8(57),
B(LdaNamedProperty), R(3), U8(37), U8(32), B(LdaNamedProperty), R(3), U8(28), U8(32),
B(Star), R(16), B(Star), R(3),
B(Mov), R(9), R(15),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(15), U8(2),
B(SuspendGenerator), R(9), R(0), U8(15), U8(8),
/* 60 S> */ B(Return),
B(RestoreGeneratorRegisters), R(9), R(0), U8(15),
B(LdaSmi), I8(-2),
B(Star), R(10),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(9), U8(1),
B(Star), R(15),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(9), U8(1),
B(Star), R(16),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(16),
B(JumpIfTrue), U8(5),
B(Ldar), R(15),
B(ReThrow),
B(Mov), R(15), R(3),
B(LdaFalse), B(LdaFalse),
B(Star), R(17), B(Star), R(17),
B(Mov), R(9), R(15), B(Mov), R(9), R(15),
B(Mov), R(3), R(16), B(Mov), R(3), R(16),
B(InvokeIntrinsic), U8(Runtime::k_AsyncGeneratorResolve), R(15), U8(3), B(InvokeIntrinsic), U8(Runtime::k_AsyncGeneratorResolve), R(15), U8(3),
B(SuspendGenerator), R(9), R(0), U8(15), U8(9), B(SuspendGenerator), R(9), R(0), U8(15), U8(6),
/* 60 S> */ B(Return), /* 60 S> */ B(Return),
B(RestoreGeneratorRegisters), R(9), R(0), U8(15), B(RestoreGeneratorRegisters), R(9), R(0), U8(15),
B(LdaSmi), I8(-2), B(LdaSmi), I8(-2),
...@@ -1072,60 +837,26 @@ bytecodes: [ ...@@ -1072,60 +837,26 @@ bytecodes: [
B(Star), R(1), B(Star), R(1),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(0), U8(1), B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(0), U8(1),
B(Star), R(2), B(Star), R(2),
B(Wide), B(JumpLoop), U16(649), I16(0), B(Wide), B(JumpLoop), U16(561), I16(0),
B(LdaSmi), I8(1), B(LdaSmi), I8(1),
B(TestEqualStrict), R(2), U8(34), B(TestEqualStrict), R(2), U8(34),
B(JumpIfFalse), U8(57), B(JumpIfFalse), U8(13),
B(LdaNamedProperty), R(3), U8(37), U8(35), B(LdaNamedProperty), R(3), U8(28), U8(35),
B(Star), R(16), B(Star), R(12),
B(Mov), R(9), R(15),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(15), U8(2),
B(SuspendGenerator), R(9), R(0), U8(15), U8(11),
/* 60 S> */ B(Return),
B(RestoreGeneratorRegisters), R(9), R(0), U8(15),
B(LdaSmi), I8(-2),
B(Star), R(10),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(9), U8(1),
B(Star), R(15),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(9), U8(1),
B(Star), R(16),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(16),
B(JumpIfTrue), U8(5),
B(Ldar), R(15),
B(ReThrow),
B(LdaZero), B(LdaZero),
B(Star), R(11), B(Star), R(11),
B(Mov), R(15), R(12), B(Jump), U8(67),
B(Jump), U8(111), B(LdaNamedProperty), R(3), U8(28), U8(37),
B(LdaNamedProperty), R(3), U8(37), U8(37),
B(Star), R(8), B(Star), R(8),
B(LdaUndefined), B(LdaUndefined),
B(Star), R(16), B(Star), R(12),
B(Mov), R(9), R(15),
B(CallJSRuntime), U8(%async_generator_await_uncaught), R(15), U8(2),
B(SuspendGenerator), R(9), R(0), U8(15), U8(12),
/* 60 S> */ B(Return),
B(RestoreGeneratorRegisters), R(9), R(0), U8(15),
B(LdaSmi), I8(-2),
B(Star), R(10),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetInputOrDebugPos), R(9), U8(1),
B(Star), R(15),
B(InvokeIntrinsic), U8(Runtime::k_GeneratorGetResumeMode), R(9), U8(1),
B(Star), R(16),
B(LdaZero),
B(TestEqualStrictNoFeedback), R(16),
B(JumpIfTrue), U8(5),
B(Ldar), R(15),
B(ReThrow),
B(LdaZero), B(LdaZero),
B(Star), R(11), B(Star), R(11),
B(Mov), R(15), R(12),
B(Jump), U8(53), B(Jump), U8(53),
B(Jump), U8(39), B(Jump), U8(39),
B(Star), R(15), B(Star), R(15),
B(Ldar), R(closure), B(Ldar), R(closure),
B(CreateCatchContext), R(15), U8(31), U8(38), B(CreateCatchContext), R(15), U8(22), U8(29),
B(Star), R(14), B(Star), R(14),
B(LdaTheHole), B(LdaTheHole),
B(SetPendingMessage), B(SetPendingMessage),
...@@ -1153,7 +884,7 @@ bytecodes: [ ...@@ -1153,7 +884,7 @@ bytecodes: [
B(Ldar), R(13), B(Ldar), R(13),
B(SetPendingMessage), B(SetPendingMessage),
B(Ldar), R(11), B(Ldar), R(11),
B(SwitchOnSmiNoFeedback), U8(41), U8(3), I8(0), B(SwitchOnSmiNoFeedback), U8(32), U8(3), I8(0),
B(Jump), U8(34), B(Jump), U8(34),
B(LdaTrue), B(LdaTrue),
B(Star), R(16), B(Star), R(16),
...@@ -1177,53 +908,44 @@ bytecodes: [ ...@@ -1177,53 +908,44 @@ bytecodes: [
] ]
constant pool: [ constant pool: [
Smi [46], Smi [46],
Smi [87], Smi [137],
Smi [181], Smi [137],
Smi [181], Smi [137],
Smi [181], Smi [137],
Smi [181], Smi [137],
Smi [181], Smi [137],
Smi [181], Smi [15],
Smi [181],
Smi [181],
Smi [181],
Smi [861],
Smi [919],
Smi [59],
Smi [7], Smi [7],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["g"], ONE_BYTE_INTERNALIZED_STRING_TYPE ["g"],
SYMBOL_TYPE, SYMBOL_TYPE,
SYMBOL_TYPE, SYMBOL_TYPE,
Smi [71], Smi [71],
Smi [142], Smi [162],
Smi [206], Smi [290],
Smi [334], Smi [367],
Smi [411], Smi [455],
Smi [499], Smi [534],
Smi [572],
Smi [622],
ODDBALL_TYPE,
ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"], ONE_BYTE_INTERNALIZED_STRING_TYPE ["next"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"], ONE_BYTE_INTERNALIZED_STRING_TYPE ["return"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["throw"], ONE_BYTE_INTERNALIZED_STRING_TYPE ["throw"],
ONE_BYTE_INTERNALIZED_STRING_TYPE [""], ONE_BYTE_INTERNALIZED_STRING_TYPE [""],
ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"], ONE_BYTE_INTERNALIZED_STRING_TYPE [".catch"],
FIXED_ARRAY_TYPE, FIXED_ARRAY_TYPE,
Smi [502], Smi [458],
Smi [430], Smi [386],
Smi [295], Smi [295],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"], ONE_BYTE_INTERNALIZED_STRING_TYPE ["done"],
ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"], ONE_BYTE_INTERNALIZED_STRING_TYPE ["value"],
FIXED_ARRAY_TYPE, FIXED_ARRAY_TYPE,
Smi [885], Smi [709],
Smi [647], Smi [515],
Smi [6], Smi [6],
Smi [28], Smi [28],
Smi [35], Smi [35],
] ]
handlers: [ handlers: [
[52, 1011, 1017], [52, 791, 797],
[55, 972, 974], [55, 752, 754],
[509, 564, 566], [421, 476, 478],
] ]
test/cctest/interpreter/bytecode_expectations/ForAwaitOf.golden
View file @ 2d79d2c3
...@@ -92,7 +92,7 @@ bytecodes: [ ...@@ -92,7 +92,7 @@ bytecodes: [
B(TestEqualStrictNoFeedback), R(22), B(TestEqualStrictNoFeedback), R(22),
B(JumpIfTrue), U8(5), B(JumpIfTrue), U8(5),
B(Ldar), R(21), B(Ldar), R(21),
B(ReThrow), /* 40 E> */ B(ReThrow),
B(Mov), R(21), R(5), B(Mov), R(21), R(5),
/* 40 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(21), U8(1), /* 40 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(21), U8(1),
B(ToBooleanLogicalNot), B(ToBooleanLogicalNot),
...@@ -395,7 +395,7 @@ bytecodes: [ ...@@ -395,7 +395,7 @@ bytecodes: [
B(TestEqualStrictNoFeedback), R(22), B(TestEqualStrictNoFeedback), R(22),
B(JumpIfTrue), U8(5), B(JumpIfTrue), U8(5),
B(Ldar), R(21), B(Ldar), R(21),
B(ReThrow), /* 40 E> */ B(ReThrow),
B(Mov), R(21), R(5), B(Mov), R(21), R(5),
/* 40 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(21), U8(1), /* 40 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(21), U8(1),
B(ToBooleanLogicalNot), B(ToBooleanLogicalNot),
...@@ -716,7 +716,7 @@ bytecodes: [ ...@@ -716,7 +716,7 @@ bytecodes: [
B(TestEqualStrictNoFeedback), R(22), B(TestEqualStrictNoFeedback), R(22),
B(JumpIfTrue), U8(5), B(JumpIfTrue), U8(5),
B(Ldar), R(21), B(Ldar), R(21),
B(ReThrow), /* 40 E> */ B(ReThrow),
B(Mov), R(21), R(5), B(Mov), R(21), R(5),
/* 40 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(21), U8(1), /* 40 E> */ B(InvokeIntrinsic), U8(Runtime::k_IsJSReceiver), R(21), U8(1),
B(ToBooleanLogicalNot), B(ToBooleanLogicalNot),
......
test/cctest/interpreter/bytecode_expectations/ForOfLoop.golden
View file @ 2d79d2c3
...@@ -1346,7 +1346,7 @@ bytecodes: [ ...@@ -1346,7 +1346,7 @@ bytecodes: [
B(TestEqualStrictNoFeedback), R(23), B(TestEqualStrictNoFeedback), R(23),
B(JumpIfTrue), U8(5), B(JumpIfTrue), U8(5),
B(Ldar), R(22), B(Ldar), R(22),
B(ReThrow), /* 45 E> */ B(ReThrow),
B(LdaZero), B(LdaZero),
B(Star), R(6), B(Star), R(6),
B(JumpLoop), U8(118), I8(0), B(JumpLoop), U8(118), I8(0),
......
test/cctest/interpreter/bytecode_expectations/StandardForLoop.golden
View file @ 2d79d2c3
...@@ -585,7 +585,7 @@ bytecodes: [ ...@@ -585,7 +585,7 @@ bytecodes: [
B(TestEqualStrictNoFeedback), R(10), B(TestEqualStrictNoFeedback), R(10),
B(JumpIfTrue), U8(5), B(JumpIfTrue), U8(5),
B(Ldar), R(9), B(Ldar), R(9),
B(ReThrow), /* 52 E> */ B(ReThrow),
/* 49 S> */ B(Ldar), R(0), /* 49 S> */ B(Ldar), R(0),
B(Inc), U8(1), B(Inc), U8(1),
B(Star), R(0), B(Star), R(0),
......
test/mjsunit/harmony/async-generators-resume-return.js deleted 100644 → 0
View file @ 17a26c0b
// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --harmony-async-iteration --allow-natives-syntax
// .return() from state suspendedStart with undefined
testAsync(test => {
test.plan(3);
async function* gen() {
test.unreachable();
}
let didResolvePromise = false;
let g = gen();
g.return(undefined).then(
(iterResult) => {
test.equals(true, didResolvePromise);
test.equals({ value: undefined, done: true }, iterResult);
},
test.unexpectedRejection());
g.next().then(
(iterResult) => {
test.equals({ value: undefined, done: true }, iterResult);
},
test.unexpectedRejection());
// Race: generator request's promise should resolve after this Promise.
Promise.resolve("already-resolved").then(
_ => { didResolvePromise = true },
test.unexpectedRejection());
}, "AsyncGenerator.return(undefined) / suspendStart");
// .return() from state suspendedStart with thenable
testAsync(test => {
test.plan(3);
async function* gen() {
test.unreachable();
}
let didResolvePromise = false;
let g = gen();
let resolve;
let awaitedThenable = { then(resolveFn) { resolve = resolveFn; } };
g.return(awaitedThenable).then(
(iterResult) => {
test.equals(true, didResolvePromise);
test.equals({ value: "resolvedPromise", done: true }, iterResult);
},
test.unexpectedRejection());
g.next().then(
(iterResult) => {
test.equals({ value: undefined, done: true }, iterResult);
},
test.unexpectedRejection());
test.drainMicrotasks();
resolve("resolvedPromise");
// Race: generator request's promise should resolve after this Promise.
Promise.resolve("already-resolved").then(
_ => { didResolvePromise = true },
test.unexpectedRejection());
}, "AsyncGenerator.return(thenable) / suspendStart");
// .return() from state suspendedYield with undefined
testAsync(test => {
test.plan(4);
async function* gen() {
yield;
test.unreachable();
}
let didResolvePromise = false;
let g = gen();
g.next().then(
(iterResult) => {
test.equals({ value: undefined, done: false }, iterResult);
},
test.unexpectedRejection());
g.return(undefined).then(
(iterResult) => {
test.equals(true, didResolvePromise);
test.equals({ value: undefined, done: true }, iterResult);
},
test.unexpectedRejection());
g.next().then(
(iterResult) => {
test.equals({ value: undefined, done: true }, iterResult);
},
test.unexpectedRejection());
// Race: generator request's promise should resolve after this Promise.
Promise.resolve("already-resolved").then(
_ => { didResolvePromise = true },
test.unexpectedRejection());
}, "AsyncGenerator.return(undefined) / suspendedYield");
// .return() from state suspendedYield with thenable
testAsync(test => {
test.plan(4);
async function* gen() {
yield;
test.unreachable();
}
let didResolvePromise = false;
let g = gen();
let resolve;
let awaitedThenable = { then(resolveFn) { resolve = resolveFn; } };
g.next().then(
(iterResult) => {
test.equals({ value: undefined, done: false }, iterResult);
},
test.unexpectedRejection());
g.return(awaitedThenable).then(
(iterResult) => {
test.equals(true, didResolvePromise);
test.equals({ value: "resolvedPromise", done: true }, iterResult);
},
test.unexpectedRejection());
g.next().then(
(iterResult) => {
test.equals({ value: undefined, done: true }, iterResult);
},
test.unexpectedRejection());
test.drainMicrotasks();
resolve("resolvedPromise");
// Race: generator request's promise should resolve after this Promise.
Promise.resolve("already-resolved").then(
_ => { didResolvePromise = true },
test.unexpectedRejection());
}, "AsyncGenerator.return(thenable) / suspendYield");
test/mjsunit/harmony/async-generators-return.js deleted 100644 → 0
View file @ 17a26c0b
// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --harmony-async-iteration --allow-natives-syntax
testAsync(test => {
test.plan(2);
async function* gen() {
return;
test.unreachable();
}
let didResolvePromise = false;
gen().next().then(
(iterResult) => {
test.equals(false, didResolvePromise);
test.equals({ value: undefined, done: true }, iterResult);
},
test.unexpectedRejection());
// Race: generator request's promise should resolve before this Promise.
Promise.resolve("already-resolved").then(
_ => { didResolvePromise = true },
test.unexpectedRejection());
}, "return-race-no-operand");
testAsync(test => {
test.plan(2);
async function* gen() {
return undefined;
test.unreachable();
}
let didResolvePromise = false;
gen().next().then(
(iterResult) => {
test.equals(true, didResolvePromise);
test.equals({ value: undefined, done: true }, iterResult);
},
test.unexpectedRejection());
// Race: generator request's promise should resolve after this Promise.
Promise.resolve("already-resolved").then(
_ => { didResolvePromise = true },
test.unexpectedRejection());
}, "return-race-with-operand");
// Return a thenable which is never settled
testAsync(test => {
test.plan(0);
let promise = { then() { } };
async function* gen() {
return promise;
test.unreachable();
}
gen().next().then(
(iterResult) => test.unreachable(),
test.unexpectedRejection());
}, "return-await-thenable-pending");
// Return a thenable which is fulfilled later
testAsync(test => {
test.plan(2);
let resolve;
let awaitedThenable = { then(resolveFn) { resolve = resolveFn; } };
let finallyEvaluated = false;
async function* gen() {
try {
return awaitedThenable;
} finally {
finallyEvaluated = true;
}
}
gen().next().then(
(iterResult) => {
test.equals({ value: "resolvedPromise", done: true }, iterResult);
test.equals(true, finallyEvaluated);
},
test.unexpectedRejection());
test.drainMicrotasks();
resolve("resolvedPromise");
}, "yield-await-thenable-resolved");
// Return a thenable which is rejected later
testAsync(test => {
test.plan(2);
let reject;
let awaitedThenable = { then(resolveFn, rejectFn) { reject = rejectFn; } };
async function* gen() {
try {
yield awaitedThenable;
} catch (e) {
test.equals("rejection", e);
return e;
}
}
gen().next().then(
(iterResult) => {
test.equals({ value: "rejection", done: true }, iterResult);
},
test.unexpectedRejection());
test.drainMicrotasks();
reject("rejection");
}, "yield-await-thenable-rejected");
test/mjsunit/harmony/async-generators-yield.js deleted 100644 → 0
View file @ 17a26c0b
// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --harmony-async-iteration --allow-natives-syntax
// Yield a thenable which is never settled
testAsync(test => {
test.plan(0);
let awaitedThenable = { then() { } };
async function* gen() {
yield awaitedThenable;
test.unreachable();
}
gen().next().then(
(iterResult) => test.unreachable(),
test.unexpectedRejection());
}, "yield-await-thenable-pending");
// Yield a thenable which is fulfilled later
testAsync(test => {
test.plan(1);
let resolve;
let awaitedThenable = { then(resolveFn) { resolve = resolveFn; } };
async function* gen() {
let input = yield awaitedThenable;
test.equals("resolvedPromise", input);
}
gen().next().then(
(iterResult) => {
test.equals({ value: "resolvedPromise", done: false }, iterResult);
},
test.unexpectedRejection());
test.drainMicrotasks();
resolve("resolvedPromise");
}, "yield-await-thenable-resolved");
// Yield a thenable which is rejected later
testAsync(test => {
test.plan(2);
let reject;
let awaitedThenable = { then(resolveFn, rejectFn) { reject = rejectFn; } };
async function* gen() {
try {
yield awaitedThenable;
} catch (e) {
test.equals("rejection", e);
return e;
}
}
gen().next().then(
(iterResult) => {
test.equals({ value: "rejection", done: true }, iterResult);
},
test.unexpectedRejection());
test.drainMicrotasks();
reject("rejection");
}, "yield-await-thenable-rejected");
test/mjsunit/mjsunit.js
View file @ 2d79d2c3
...@@ -754,7 +754,7 @@ var failWithMessage; ...@@ -754,7 +754,7 @@ var failWithMessage;
} }
fail(expectedText, found) { fail(expectedText, found) {
let message = formatFailureText(expectedText, found); message = formatFailureText(expectedText, found);
message += "\nin test:" + this.name_ message += "\nin test:" + this.name_
message += "\n" + Function.prototype.toString.apply(this.test_); message += "\n" + Function.prototype.toString.apply(this.test_);
eval("%AbortJS(message)"); eval("%AbortJS(message)");
...@@ -773,25 +773,6 @@ var failWithMessage; ...@@ -773,25 +773,6 @@ var failWithMessage;
eval("%AbortJS(message)"); eval("%AbortJS(message)");
} }
unexpectedRejection(details) {
return (error) => {
let message =
"Failure: unexpected Promise rejection in test: " + this.name_;
if (details) message += "\n @" + details;
if (error instanceof Error) {
message += "\n" + String(error.stack);
} else {
message += "\n" + String(error);
}
message += "\n\n" + Function.prototype.toString.apply(this.test_);
eval("%AbortJS(message)");
};
}
drainMicrotasks() {
eval("%RunMicrotasks()");
}
done_() { done_() {
if (this.expectedAsserts_ === -1) { if (this.expectedAsserts_ === -1) {
let message = "Please call t.plan(count) to initialize test harness " + let message = "Please call t.plan(count) to initialize test harness " +
......
test/test262/test262.status
View file @ 2d79d2c3
...@@ -504,6 +504,36 @@ ...@@ -504,6 +504,36 @@
'built-ins/Array/prototype/splice/create-species-length-exceeding-integer-limit': [FAIL], 'built-ins/Array/prototype/splice/create-species-length-exceeding-integer-limit': [FAIL],
'built-ins/Array/prototype/splice/throws-if-integer-limit-exceeded': [SKIP], 'built-ins/Array/prototype/splice/throws-if-integer-limit-exceeded': [SKIP],
# https://bugs.chromium.org/p/v8/issues/detail?id=5855
'language/expressions/async-generator/named-yield-promise-reject-next': [FAIL],
'language/expressions/async-generator/named-yield-promise-reject-next-catch': [FAIL],
'language/expressions/async-generator/yield-promise-reject-next': [FAIL],
'language/expressions/async-generator/yield-promise-reject-next-catch': [FAIL],
'language/expressions/class/async-gen-method-static-yield-promise-reject-next': [FAIL],
'language/expressions/class/async-gen-method-static-yield-promise-reject-next-catch': [FAIL],
'language/expressions/class/async-gen-method-yield-promise-reject-next': [FAIL],
'language/expressions/class/async-gen-method-yield-promise-reject-next-catch': [FAIL],
'language/expressions/object/method-definition/async-gen-yield-promise-reject-next': [FAIL],
'language/expressions/object/method-definition/async-gen-yield-promise-reject-next-catch': [FAIL],
'language/statements/async-generator/yield-promise-reject-next': [FAIL],
'language/statements/async-generator/yield-promise-reject-next-catch': [FAIL],
'language/statements/class/async-gen-method-static-yield-promise-reject-next': [FAIL],
'language/statements/class/async-gen-method-static-yield-promise-reject-next-catch': [FAIL],
'language/statements/class/async-gen-method-yield-promise-reject-next': [FAIL],
'language/statements/class/async-gen-method-yield-promise-reject-next-catch': [FAIL],
'language/statements/for-await-of/async-func-decl-dstr-array-elem-init-let': [FAIL],
'language/statements/for-await-of/async-func-decl-dstr-array-elem-put-let': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-init-let': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-put-let': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-trlg-iter-elision-iter-abpt': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-trlg-iter-get-err': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-trlg-iter-list-nrml-close-null': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-trlg-iter-list-rtrn-close': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-trlg-iter-list-rtrn-close-err': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-trlg-iter-list-rtrn-close-null': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-trlg-iter-rest-rtrn-close-err': [PASS, FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-trlg-iter-rest-rtrn-close-null': [FAIL],
# https://bugs.chromium.org/p/v8/issues/detail?id=6541 # https://bugs.chromium.org/p/v8/issues/detail?id=6541
'language/export/escaped-as-export-specifier': [FAIL], 'language/export/escaped-as-export-specifier': [FAIL],
'language/export/escaped-from': [FAIL], 'language/export/escaped-from': [FAIL],
...@@ -603,20 +633,6 @@ ...@@ -603,20 +633,6 @@
'language/statements/for-await-of/async-gen-dstr-const-obj-ptrn-rest-nested-obj': [FAIL], 'language/statements/for-await-of/async-gen-dstr-const-obj-ptrn-rest-nested-obj': [FAIL],
'language/statements/for-await-of/async-func-dstr-const-obj-ptrn-rest-obj-own-property': [FAIL], 'language/statements/for-await-of/async-func-dstr-const-obj-ptrn-rest-obj-own-property': [FAIL],
# Async Iteration https://github.com/tc39/test262/issues/1154
'language/statements/for-await-of/async-func-decl-dstr-array-elem-init-let': [FAIL],
'language/statements/for-await-of/async-func-decl-dstr-array-elem-put-let': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-init-let': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-put-let': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-trlg-iter-elision-iter-abpt': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-trlg-iter-get-err': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-trlg-iter-list-nrml-close-null': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-trlg-iter-list-rtrn-close-err': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-trlg-iter-list-rtrn-close-null': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-trlg-iter-rest-rtrn-close-null': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-trlg-iter-list-rtrn-close': [FAIL],
'language/statements/for-await-of/async-gen-decl-dstr-array-elem-trlg-iter-rest-rtrn-close-err': [PASS, FAIL],
############################ SKIPPED TESTS ############################# ############################ SKIPPED TESTS #############################
# These tests take a looong time to run. # These tests take a looong time to run.
......
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