1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
// Copyright 2016 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.
#ifndef V8_BUILTINS_BUILTINS_ASYNC_GEN_H_
#define V8_BUILTINS_BUILTINS_ASYNC_GEN_H_
#include "src/builtins/builtins-promise-gen.h"
namespace v8 {
namespace internal {
class AsyncBuiltinsAssembler : public PromiseBuiltinsAssembler {
public:
explicit AsyncBuiltinsAssembler(compiler::CodeAssemblerState* state)
: PromiseBuiltinsAssembler(state) {}
protected:
// Perform steps to resume generator after `value` is resolved.
// `on_reject_context_index` is an index into the Native Context, which should
// point to a SharedFunctioninfo instance used to create the closure. The
// value following the reject index should be a similar value for the resolve
// closure. Returns the Promise-wrapped `value`.
TNode<Object> Await(TNode<Context> context,
TNode<JSGeneratorObject> generator, TNode<Object> value,
TNode<JSPromise> outer_promise,
TNode<IntPtrT> on_resolve_context_index,
TNode<IntPtrT> on_reject_context_index,
TNode<Oddball> is_predicted_as_caught);
TNode<Object> Await(TNode<Context> context,
TNode<JSGeneratorObject> generator, TNode<Object> value,
TNode<JSPromise> outer_promise,
int on_resolve_context_index, int on_reject_context_index,
TNode<Oddball> is_predicted_as_caught) {
return Await(context, generator, value, outer_promise,
IntPtrConstant(on_resolve_context_index),
IntPtrConstant(on_reject_context_index),
is_predicted_as_caught);
}
TNode<Object> Await(TNode<Context> context,
TNode<JSGeneratorObject> generator, TNode<Object> value,
TNode<JSPromise> outer_promise,
int on_resolve_context_index, int on_reject_context_index,
bool is_predicted_as_caught) {
return Await(context, generator, value, outer_promise,
on_resolve_context_index, on_reject_context_index,
BooleanConstant(is_predicted_as_caught));
}
// Return a new built-in function object as defined in
// Async Iterator Value Unwrap Functions
TNode<JSFunction> CreateUnwrapClosure(TNode<NativeContext> native_context,
TNode<Oddball> done);
private:
void InitializeNativeClosure(TNode<Context> context,
TNode<NativeContext> native_context,
TNode<HeapObject> function,
TNode<IntPtrT> context_index);
TNode<Context> AllocateAsyncIteratorValueUnwrapContext(
TNode<NativeContext> native_context, TNode<Oddball> done);
TNode<Object> AwaitOld(TNode<Context> context,
TNode<JSGeneratorObject> generator,
TNode<Object> value, TNode<JSPromise> outer_promise,
TNode<IntPtrT> on_resolve_context_index,
TNode<IntPtrT> on_reject_context_index,
TNode<Oddball> is_predicted_as_caught);
TNode<Object> AwaitOptimized(TNode<Context> context,
TNode<JSGeneratorObject> generator,
TNode<JSPromise> promise,
TNode<JSPromise> outer_promise,
TNode<IntPtrT> on_resolve_context_index,
TNode<IntPtrT> on_reject_context_index,
TNode<Oddball> is_predicted_as_caught);
};
} // namespace internal
} // namespace v8
#endif // V8_BUILTINS_BUILTINS_ASYNC_GEN_H_
|
