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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "test/cctest/cctest.h" | 5 #include "test/cctest/cctest.h" |
6 | 6 |
7 #include "include/v8.h" | 7 #include "include/v8.h" |
8 #include "src/compiler/pipeline.h" | 8 #include "include/v8-experimental.h" |
9 #include "src/compiler/raw-machine-assembler.h" | |
10 | 9 |
11 | 10 |
12 namespace i = v8::internal; | 11 namespace i = v8::internal; |
13 | 12 |
14 static void CppAccessor(const v8::FunctionCallbackInfo<v8::Value>& info) { | 13 static void CppAccessor42(const v8::FunctionCallbackInfo<v8::Value>& info) { |
15 info.GetReturnValue().Set(42); | 14 info.GetReturnValue().Set(42); |
16 } | 15 } |
17 | 16 |
18 | 17 |
19 v8::Local<v8::Value> RawAccessor(v8::Isolate* isolate) { | 18 static void CppAccessor41(const v8::FunctionCallbackInfo<v8::Value>& info) { |
20 i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); | 19 info.GetReturnValue().Set(41); |
21 i::Zone zone; | |
22 i::compiler::RawMachineAssembler raw_machine_assembler( | |
23 i_isolate, new (&zone) i::compiler::Graph(&zone), | |
24 i::compiler::Linkage::GetJSCallDescriptor( | |
25 &zone, false, 1, i::compiler::CallDescriptor::kNoFlags)); | |
26 raw_machine_assembler.Return(raw_machine_assembler.NumberConstant(41)); | |
27 i::CompilationInfo info("firstChildRaw", i_isolate, &zone); | |
28 i::compiler::Schedule* schedule = raw_machine_assembler.Export(); | |
29 i::Handle<i::Code> code = i::compiler::Pipeline::GenerateCodeForTesting( | |
30 &info, raw_machine_assembler.call_descriptor(), | |
31 raw_machine_assembler.graph(), schedule); | |
32 return v8::Utils::ToLocal(i::Handle<i::Object>::cast(code)); | |
33 } | 20 } |
34 | 21 |
35 | 22 |
36 TEST(JavascriptAccessors) { | 23 v8::experimental::FastAccessorBuilder* FastAccessor(v8::Isolate* isolate) { |
| 24 auto builder = v8::experimental::FastAccessorBuilder::New(isolate); |
| 25 builder->ReturnValue(builder->IntegerConstant(41)); |
| 26 return builder; |
| 27 } |
| 28 |
| 29 |
| 30 TEST(FastAccessors) { |
| 31 if (i::FLAG_always_opt || i::FLAG_optimize_for_size) return; |
| 32 |
37 v8::Isolate* isolate = CcTest::isolate(); | 33 v8::Isolate* isolate = CcTest::isolate(); |
38 v8::HandleScope scope(isolate); | 34 v8::HandleScope scope(isolate); |
39 LocalContext env; | 35 LocalContext env; |
40 | 36 |
41 // We emulate Embedder-created DOM Node instances. Specifically: | 37 // We emulate Embedder-created DOM Node instances. Specifically: |
42 // - 'parent': FunctionTemplate ~= DOM Node superclass | 38 // - 'parent': FunctionTemplate ~= DOM Node superclass |
43 // - 'child': FunctionTemplate ~= a specific DOM node type, like a <div /> | 39 // - 'child': FunctionTemplate ~= a specific DOM node type, like a <div /> |
44 // | 40 // |
45 // We'll install both a C++-based and a JS-based accessor on the parent, | 41 // We'll install both a C++-based and a JS-based accessor on the parent, |
46 // and expect it to be callable on the child. | 42 // and expect it to be callable on the child. |
47 | 43 |
48 // Setup the parent template ( =~ DOM Node w/ accessors). | 44 // Setup the parent template ( =~ DOM Node w/ accessors). |
49 v8::Local<v8::FunctionTemplate> parent = v8::FunctionTemplate::New(isolate); | 45 v8::Local<v8::FunctionTemplate> parent = v8::FunctionTemplate::New(isolate); |
50 { | 46 { |
51 auto signature = v8::Signature::New(isolate, parent); | 47 auto signature = v8::Signature::New(isolate, parent); |
52 | 48 |
53 // cpp accessor as "firstChild": | 49 // cpp accessor as "firstChild": |
54 parent->PrototypeTemplate()->SetAccessorProperty( | 50 parent->PrototypeTemplate()->SetAccessorProperty( |
55 v8_str("firstChild"), | 51 v8_str("firstChild"), |
56 v8::FunctionTemplate::New(isolate, CppAccessor, v8::Local<v8::Value>(), | 52 v8::FunctionTemplate::New(isolate, CppAccessor42, |
57 signature)); | 53 v8::Local<v8::Value>(), signature)); |
58 | 54 |
59 // JS accessor as "firstChildRaw": | 55 // JS accessor as "firstChildRaw": |
60 auto raw_accessor = RawAccessor(isolate); | |
61 parent->PrototypeTemplate()->SetAccessorProperty( | 56 parent->PrototypeTemplate()->SetAccessorProperty( |
62 v8_str("firstChildRaw"), v8::FunctionTemplate::NewWithFastHandler( | 57 v8_str("firstChildRaw"), |
63 isolate, CppAccessor, raw_accessor, | 58 v8::FunctionTemplate::NewWithFastHandler( |
64 v8::Local<v8::Value>(), signature)); | 59 isolate, CppAccessor41, FastAccessor(isolate), |
| 60 v8::Local<v8::Value>(), signature)); |
65 } | 61 } |
66 | 62 |
67 // Setup child object ( =~ a specific DOM Node, e.g. a <div> ). | 63 // Setup child object ( =~ a specific DOM Node, e.g. a <div> ). |
68 // Also, make a creation function on the global object, so we can access it | 64 // Also, make a creation function on the global object, so we can access it |
69 // in a test. | 65 // in a test. |
70 v8::Local<v8::FunctionTemplate> child = v8::FunctionTemplate::New(isolate); | 66 v8::Local<v8::FunctionTemplate> child = v8::FunctionTemplate::New(isolate); |
71 child->Inherit(parent); | 67 child->Inherit(parent); |
72 CHECK(env->Global() | 68 CHECK(env->Global() |
73 ->Set(env.local(), v8_str("Node"), | 69 ->Set(env.local(), v8_str("Node"), |
74 child->GetFunction(env.local()).ToLocalChecked()) | 70 child->GetFunction(env.local()).ToLocalChecked()) |
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110 "var g = Object.getOwnPropertyDescriptor(" | 106 "var g = Object.getOwnPropertyDescriptor(" |
111 " n.__proto__.__proto__, 'firstChildRaw')['get'];" | 107 " n.__proto__.__proto__, 'firstChildRaw')['get'];" |
112 "try {" | 108 "try {" |
113 " var f = { firstChildRaw: '51' };" | 109 " var f = { firstChildRaw: '51' };" |
114 " g.apply(f);" | 110 " g.apply(f);" |
115 "} catch(e) {" | 111 "} catch(e) {" |
116 " 31415;" | 112 " 31415;" |
117 "}", | 113 "}", |
118 31415); | 114 31415); |
119 } | 115 } |
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