mirror of
https://github.com/dart-lang/sdk
synced 2024-09-15 22:31:50 +00:00
9174a627f5
Previously, the background compiler was deleted by the thread pool, which could have raced ahead of the mutator clearing its reference. Now it is deleted by the mutator. Change-Id: Id353a96022f699131ee60fe31156cd0404dfd285 Reviewed-on: https://dart-review.googlesource.com/24342 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Siva Annamalai <asiva@google.com>
224 lines
7.7 KiB
C++
224 lines
7.7 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/compiler/jit/compiler.h"
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#include "platform/assert.h"
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#include "vm/class_finalizer.h"
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#include "vm/code_patcher.h"
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#include "vm/dart_api_impl.h"
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#include "vm/object.h"
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#include "vm/safepoint.h"
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#include "vm/symbols.h"
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#include "vm/thread_pool.h"
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#include "vm/unit_test.h"
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namespace dart {
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ISOLATE_UNIT_TEST_CASE(CompileScript) {
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const char* kScriptChars =
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"class A {\n"
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" static foo() { return 42; }\n"
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"}\n";
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String& url = String::Handle(String::New("dart-test:CompileScript"));
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String& source = String::Handle(String::New(kScriptChars));
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Script& script =
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Script::Handle(Script::New(url, source, RawScript::kScriptTag));
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Library& lib = Library::Handle(Library::CoreLibrary());
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EXPECT(CompilerTest::TestCompileScript(lib, script));
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}
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ISOLATE_UNIT_TEST_CASE(CompileFunction) {
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const char* kScriptChars =
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"class A {\n"
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" static foo() { return 42; }\n"
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" static moo() {\n"
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" // A.foo();\n"
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" }\n"
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"}\n";
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String& url = String::Handle(String::New("dart-test:CompileFunction"));
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String& source = String::Handle(String::New(kScriptChars));
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Script& script =
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Script::Handle(Script::New(url, source, RawScript::kScriptTag));
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Library& lib = Library::Handle(Library::CoreLibrary());
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EXPECT(CompilerTest::TestCompileScript(lib, script));
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EXPECT(ClassFinalizer::ProcessPendingClasses());
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Class& cls =
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Class::Handle(lib.LookupClass(String::Handle(Symbols::New(thread, "A"))));
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EXPECT(!cls.IsNull());
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String& function_foo_name = String::Handle(String::New("foo"));
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Function& function_foo =
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Function::Handle(cls.LookupStaticFunction(function_foo_name));
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EXPECT(!function_foo.IsNull());
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String& function_source = String::Handle(function_foo.GetSource());
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EXPECT_STREQ("static foo() { return 42; }", function_source.ToCString());
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EXPECT(CompilerTest::TestCompileFunction(function_foo));
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EXPECT(function_foo.HasCode());
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String& function_moo_name = String::Handle(String::New("moo"));
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Function& function_moo =
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Function::Handle(cls.LookupStaticFunction(function_moo_name));
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EXPECT(!function_moo.IsNull());
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EXPECT(CompilerTest::TestCompileFunction(function_moo));
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EXPECT(function_moo.HasCode());
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function_source = function_moo.GetSource();
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EXPECT_STREQ("static moo() {\n // A.foo();\n }",
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function_source.ToCString());
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}
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ISOLATE_UNIT_TEST_CASE(CompileFunctionOnHelperThread) {
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// Create a simple function and compile it without optimization.
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const char* kScriptChars =
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"class A {\n"
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" static foo() { return 42; }\n"
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"}\n";
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String& url =
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String::Handle(String::New("dart-test:CompileFunctionOnHelperThread"));
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String& source = String::Handle(String::New(kScriptChars));
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Script& script =
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Script::Handle(Script::New(url, source, RawScript::kScriptTag));
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Library& lib = Library::Handle(Library::CoreLibrary());
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EXPECT(CompilerTest::TestCompileScript(lib, script));
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EXPECT(ClassFinalizer::ProcessPendingClasses());
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Class& cls =
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Class::Handle(lib.LookupClass(String::Handle(Symbols::New(thread, "A"))));
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EXPECT(!cls.IsNull());
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String& function_foo_name = String::Handle(String::New("foo"));
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Function& func =
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Function::Handle(cls.LookupStaticFunction(function_foo_name));
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EXPECT(!func.HasCode());
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CompilerTest::TestCompileFunction(func);
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EXPECT(func.HasCode());
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EXPECT(!func.HasOptimizedCode());
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#if !defined(PRODUCT)
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// Constant in product mode.
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FLAG_background_compilation = true;
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#endif
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Isolate* isolate = thread->isolate();
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BackgroundCompiler::Start(isolate);
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isolate->background_compiler()->CompileOptimized(func);
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Monitor* m = new Monitor();
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{
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MonitorLocker ml(m);
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while (!func.HasOptimizedCode()) {
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ml.WaitWithSafepointCheck(thread, 1);
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}
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}
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delete m;
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BackgroundCompiler::Stop(isolate);
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}
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TEST_CASE(RegenerateAllocStubs) {
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const char* kScriptChars =
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"class A {\n"
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"}\n"
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"unOpt() => new A(); \n"
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"optIt() => new A(); \n"
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"A main() {\n"
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" return unOpt();\n"
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"}\n";
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Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
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Dart_Handle result = Dart_Invoke(lib, NewString("main"), 0, NULL);
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EXPECT_VALID(result);
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RawLibrary* raw_library = Library::RawCast(Api::UnwrapHandle(lib));
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Library& lib_handle = Library::ZoneHandle(raw_library);
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Class& cls = Class::Handle(
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lib_handle.LookupClass(String::Handle(Symbols::New(thread, "A"))));
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EXPECT(!cls.IsNull());
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Zone* zone = thread->zone();
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const Code& stub =
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Code::Handle(zone, StubCode::GetAllocationStubForClass(cls));
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Class& owner = Class::Handle();
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owner ^= stub.owner();
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owner.DisableAllocationStub();
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result = Dart_Invoke(lib, NewString("main"), 0, NULL);
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EXPECT_VALID(result);
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owner.DisableAllocationStub();
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result = Dart_Invoke(lib, NewString("main"), 0, NULL);
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EXPECT_VALID(result);
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owner.DisableAllocationStub();
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result = Dart_Invoke(lib, NewString("main"), 0, NULL);
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EXPECT_VALID(result);
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}
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TEST_CASE(EvalExpression) {
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const char* kScriptChars =
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"int ten = 2 * 5; \n"
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"get dot => '.'; \n"
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"class A { \n"
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" var apa = 'Herr Nilsson'; \n"
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" calc(x) => '${x*ten}'; \n"
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"} \n"
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"makeObj() => new A(); \n";
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Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, NULL);
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Dart_Handle obj_handle =
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Dart_Invoke(lib, Dart_NewStringFromCString("makeObj"), 0, NULL);
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EXPECT(!Dart_IsNull(obj_handle));
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EXPECT(!Dart_IsError(obj_handle));
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TransitionNativeToVM transition(thread);
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const Object& obj = Object::Handle(Api::UnwrapHandle(obj_handle));
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EXPECT(!obj.IsNull());
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EXPECT(obj.IsInstance());
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String& expr_text = String::Handle();
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expr_text = String::New("apa + ' ${calc(10)}' + dot");
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Object& val = Object::Handle();
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const Class& receiver_cls = Class::Handle(obj.clazz());
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val = Instance::Cast(obj).Evaluate(
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receiver_cls, expr_text, Array::empty_array(), Array::empty_array());
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EXPECT(!val.IsNull());
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EXPECT(!val.IsError());
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EXPECT(val.IsString());
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EXPECT_STREQ("Herr Nilsson 100.", val.ToCString());
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}
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ISOLATE_UNIT_TEST_CASE(EvalExpressionWithLazyCompile) {
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Library& lib = Library::Handle(Library::CoreLibrary());
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const String& expression = String::Handle(
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String::New("(){ return (){ return (){ return 3 + 4; }(); }(); }()"));
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Object& val = Object::Handle();
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val = lib.Evaluate(expression, Array::empty_array(), Array::empty_array());
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EXPECT(!val.IsNull());
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EXPECT(!val.IsError());
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EXPECT(val.IsInteger());
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EXPECT_EQ(7, Integer::Cast(val).AsInt64Value());
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}
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ISOLATE_UNIT_TEST_CASE(EvalExpressionExhaustCIDs) {
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Library& lib = Library::Handle(Library::CoreLibrary());
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const String& expression = String::Handle(String::New("3 + 4"));
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Object& val = Object::Handle();
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// Run once to ensure everything we touch is compiled.
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val = lib.Evaluate(expression, Array::empty_array(), Array::empty_array());
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EXPECT(!val.IsNull());
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EXPECT(!val.IsError());
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EXPECT(val.IsInteger());
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EXPECT_EQ(7, Integer::Cast(val).AsInt64Value());
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intptr_t initial_class_table_size =
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Isolate::Current()->class_table()->NumCids();
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val = lib.Evaluate(expression, Array::empty_array(), Array::empty_array());
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EXPECT(!val.IsNull());
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EXPECT(!val.IsError());
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EXPECT(val.IsInteger());
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EXPECT_EQ(7, Integer::Cast(val).AsInt64Value());
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intptr_t final_class_table_size =
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Isolate::Current()->class_table()->NumCids();
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// Eval should not eat into this non-renewable resource.
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EXPECT_EQ(initial_class_table_size, final_class_table_size);
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}
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} // namespace dart
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