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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 21909 | 21909 |
| 21910 static void OptimizationCallback( | 21910 static void OptimizationCallback( |
| 21911 const v8::FunctionCallbackInfo<v8::Value>& info) { | 21911 const v8::FunctionCallbackInfo<v8::Value>& info) { |
| 21912 CHECK(callee == info.Callee()); | 21912 CHECK(callee == info.Callee()); |
| 21913 CHECK(data == info.Data()); | 21913 CHECK(data == info.Data()); |
| 21914 CHECK(receiver == info.This()); | 21914 CHECK(receiver == info.This()); |
| 21915 CHECK(holder == info.Holder()); | 21915 CHECK(holder == info.Holder()); |
| 21916 count++; | 21916 count++; |
| 21917 } | 21917 } |
| 21918 | 21918 |
| 21919 // TODO(dcarney): move this to v8.h |
| 21920 static void SetAccessorProperty(Local<Object> object, |
| 21921 Local<String> name, |
| 21922 Local<Function> getter, |
| 21923 Local<Function> setter = Local<Function>()) { |
| 21924 i::Isolate* isolate = CcTest::i_isolate(); |
| 21925 v8::AccessControl settings = v8::DEFAULT; |
| 21926 v8::PropertyAttribute attribute = v8::None; |
| 21927 i::Handle<i::Object> getter_i = v8::Utils::OpenHandle(*getter); |
| 21928 i::Handle<i::Object> setter_i = v8::Utils::OpenHandle(*setter, true); |
| 21929 if (setter_i.is_null()) setter_i = isolate->factory()->null_value(); |
| 21930 i::JSObject::DefineAccessor(v8::Utils::OpenHandle(*object), |
| 21931 v8::Utils::OpenHandle(*name), |
| 21932 getter_i, |
| 21933 setter_i, |
| 21934 static_cast<PropertyAttributes>(attribute), |
| 21935 settings); |
| 21936 } |
| 21937 |
| 21919 public: | 21938 public: |
| 21920 void Run(bool use_signature, bool global) { | 21939 void Run(bool use_signature, bool global) { |
| 21921 v8::Isolate* isolate = CcTest::isolate(); | 21940 v8::Isolate* isolate = CcTest::isolate(); |
| 21922 v8::HandleScope scope(isolate); | 21941 v8::HandleScope scope(isolate); |
| 21923 // Build a template for signature checks. | 21942 // Build a template for signature checks. |
| 21924 Local<v8::ObjectTemplate> signature_template; | 21943 Local<v8::ObjectTemplate> signature_template; |
| 21925 Local<v8::Signature> signature; | 21944 Local<v8::Signature> signature; |
| 21926 { | 21945 { |
| 21927 Local<v8::FunctionTemplate> parent_template = | 21946 Local<v8::FunctionTemplate> parent_template = |
| 21928 FunctionTemplate::New(isolate); | 21947 FunctionTemplate::New(isolate); |
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| 21945 // Get the holder objects. | 21964 // Get the holder objects. |
| 21946 Local<Object> inner_global = | 21965 Local<Object> inner_global = |
| 21947 Local<Object>::Cast(context->Global()->GetPrototype()); | 21966 Local<Object>::Cast(context->Global()->GetPrototype()); |
| 21948 Local<Object> function_holder = | 21967 Local<Object> function_holder = |
| 21949 Local<Object>::Cast(function_receiver->GetPrototype()); | 21968 Local<Object>::Cast(function_receiver->GetPrototype()); |
| 21950 // Install function on hidden prototype object. | 21969 // Install function on hidden prototype object. |
| 21951 data = Object::New(isolate); | 21970 data = Object::New(isolate); |
| 21952 Local<FunctionTemplate> function_template = FunctionTemplate::New( | 21971 Local<FunctionTemplate> function_template = FunctionTemplate::New( |
| 21953 isolate, OptimizationCallback, data, signature); | 21972 isolate, OptimizationCallback, data, signature); |
| 21954 Local<Function> function = function_template->GetFunction(); | 21973 Local<Function> function = function_template->GetFunction(); |
| 21955 Local<Object>::Cast( | 21974 Local<Object> global_holder = Local<Object>::Cast( |
| 21956 inner_global->GetPrototype())->Set(v8_str("global_f"), function); | 21975 inner_global->GetPrototype()); |
| 21976 global_holder->Set(v8_str("g_f"), function); |
| 21977 SetAccessorProperty(global_holder, v8_str("g_p1"), function); |
| 21957 function_holder->Set(v8_str("f"), function); | 21978 function_holder->Set(v8_str("f"), function); |
| 21979 SetAccessorProperty(function_holder, v8_str("p1"), function); |
| 21958 // Initialize expected values. | 21980 // Initialize expected values. |
| 21959 callee = function; | 21981 callee = function; |
| 21960 count = 0; | 21982 count = 0; |
| 21961 if (global) { | 21983 if (global) { |
| 21962 receiver = context->Global(); | 21984 receiver = context->Global(); |
| 21963 holder = inner_global; | 21985 holder = inner_global; |
| 21964 } else { | 21986 } else { |
| 21965 holder = function_receiver; | 21987 holder = function_receiver; |
| 21966 // If not using a signature, add something else to the prototype chain | 21988 // If not using a signature, add something else to the prototype chain |
| 21967 // to test the case that holder != receiver | 21989 // to test the case that holder != receiver |
| 21968 if (!use_signature) { | 21990 if (!use_signature) { |
| 21969 receiver = Local<Object>::Cast(CompileRun( | 21991 receiver = Local<Object>::Cast(CompileRun( |
| 21970 "var receiver_subclass = {};\n" | 21992 "var receiver_subclass = {};\n" |
| 21971 "receiver_subclass.__proto__ = function_receiver;\n" | 21993 "receiver_subclass.__proto__ = function_receiver;\n" |
| 21972 "receiver_subclass")); | 21994 "receiver_subclass")); |
| 21973 } else { | 21995 } else { |
| 21974 receiver = Local<Object>::Cast(CompileRun( | 21996 receiver = Local<Object>::Cast(CompileRun( |
| 21975 "var receiver_subclass = function_receiver;\n" | 21997 "var receiver_subclass = function_receiver;\n" |
| 21976 "receiver_subclass")); | 21998 "receiver_subclass")); |
| 21977 } | 21999 } |
| 21978 } | 22000 } |
| 21979 // With no signature, the holder is not set. | 22001 // With no signature, the holder is not set. |
| 21980 if (!use_signature) holder = receiver; | 22002 if (!use_signature) holder = receiver; |
| 21981 // build wrap_function | 22003 // build wrap_function |
| 21982 int key = (use_signature ? 1 : 0) + 2 * (global ? 1 : 0); | 22004 int key = (use_signature ? 1 : 0) + 2 * (global ? 1 : 0); |
| 21983 i::ScopedVector<char> wrap_function(100); | 22005 i::ScopedVector<char> wrap_function(200); |
| 21984 if (global) { | 22006 if (global) { |
| 21985 i::OS::SNPrintF( | 22007 i::OS::SNPrintF( |
| 21986 wrap_function, | 22008 wrap_function, |
| 21987 "function wrap_%d() { var f = global_f; return f(); }\n", | 22009 "function wrap_f_%d() { var f = g_f; return f(); }\n" |
| 21988 key); | 22010 "function wrap_p1_%d() { return this.g_p1; }\n", |
| 22011 key, key); |
| 21989 } else { | 22012 } else { |
| 21990 i::OS::SNPrintF( | 22013 i::OS::SNPrintF( |
| 21991 wrap_function, | 22014 wrap_function, |
| 21992 "function wrap_%d() { return receiver_subclass.f(); }\n", | 22015 "function wrap_f_%d() { return receiver_subclass.f(); }\n" |
| 21993 key); | 22016 "function wrap_p1_%d() { return receiver_subclass.p1; }\n", |
| 22017 key, key); |
| 21994 } | 22018 } |
| 21995 // build source string | 22019 // build source string |
| 21996 i::ScopedVector<char> source(500); | 22020 i::ScopedVector<char> source(500); |
| 21997 i::OS::SNPrintF( | 22021 i::OS::SNPrintF( |
| 21998 source, | 22022 source, |
| 21999 "%s\n" // wrap_function | 22023 "%s\n" // wrap functions |
| 22000 "function wrap2() { wrap_%d(); }\n" | 22024 "function wrap_f() { wrap_f_%d(); }\n" |
| 22001 "wrap2();\n" | 22025 "function wrap_p1() { wrap_p1_%d(); }\n" |
| 22002 "wrap2();\n" | 22026 "wrap_f();\n" |
| 22003 "%%OptimizeFunctionOnNextCall(wrap_%d);\n" | 22027 "wrap_f();\n" |
| 22004 "wrap2();\n", | 22028 "%%OptimizeFunctionOnNextCall(wrap_f_%d);\n" |
| 22005 wrap_function.start(), key, key); | 22029 "wrap_f();\n" |
| 22030 "wrap_p1();\n" |
| 22031 "wrap_p1();\n" |
| 22032 "%%OptimizeFunctionOnNextCall(wrap_p1_%d);\n" |
| 22033 "wrap_p1();\n", |
| 22034 wrap_function.start(), key, key, key, key); |
| 22006 v8::TryCatch try_catch; | 22035 v8::TryCatch try_catch; |
| 22007 CompileRun(source.start()); | 22036 CompileRun(source.start()); |
| 22008 ASSERT(!try_catch.HasCaught()); | 22037 ASSERT(!try_catch.HasCaught()); |
| 22009 CHECK_EQ(3, count); | 22038 CHECK_EQ(6, count); |
| 22010 } | 22039 } |
| 22011 }; | 22040 }; |
| 22012 | 22041 |
| 22013 | 22042 |
| 22014 Local<Object> ApiCallOptimizationChecker::data; | 22043 Local<Object> ApiCallOptimizationChecker::data; |
| 22015 Local<Object> ApiCallOptimizationChecker::receiver; | 22044 Local<Object> ApiCallOptimizationChecker::receiver; |
| 22016 Local<Object> ApiCallOptimizationChecker::holder; | 22045 Local<Object> ApiCallOptimizationChecker::holder; |
| 22017 Local<Object> ApiCallOptimizationChecker::callee; | 22046 Local<Object> ApiCallOptimizationChecker::callee; |
| 22018 int ApiCallOptimizationChecker::count = 0; | 22047 int ApiCallOptimizationChecker::count = 0; |
| 22019 | 22048 |
| 22020 | 22049 |
| 22021 TEST(TestFunctionCallOptimization) { | 22050 TEST(TestFunctionCallOptimization) { |
| 22022 i::FLAG_allow_natives_syntax = true; | 22051 i::FLAG_allow_natives_syntax = true; |
| 22023 ApiCallOptimizationChecker checker; | 22052 ApiCallOptimizationChecker checker; |
| 22024 checker.Run(true, true); | 22053 checker.Run(true, true); |
| 22025 checker.Run(false, true); | 22054 checker.Run(false, true); |
| 22026 checker.Run(true, false); | 22055 checker.Run(true, false); |
| 22027 checker.Run(false, false); | 22056 checker.Run(false, false); |
| 22028 } | 22057 } |
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