| // Copyright 2014 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_CCTEST_COMPILER_FUNCTION_TESTER_H_ |
| #define V8_CCTEST_COMPILER_FUNCTION_TESTER_H_ |
| |
| #include "src/v8.h" |
| #include "test/cctest/cctest.h" |
| |
| #include "src/ast-numbering.h" |
| #include "src/compiler.h" |
| #include "src/compiler/linkage.h" |
| #include "src/compiler/pipeline.h" |
| #include "src/execution.h" |
| #include "src/full-codegen.h" |
| #include "src/handles.h" |
| #include "src/objects-inl.h" |
| #include "src/parser.h" |
| #include "src/rewriter.h" |
| #include "src/scopes.h" |
| |
| #define USE_CRANKSHAFT 0 |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| class FunctionTester : public InitializedHandleScope { |
| public: |
| explicit FunctionTester(const char* source, uint32_t flags = 0) |
| : isolate(main_isolate()), |
| function((FLAG_allow_natives_syntax = true, NewFunction(source))), |
| flags_(flags) { |
| Compile(function); |
| const uint32_t supported_flags = CompilationInfo::kContextSpecializing | |
| CompilationInfo::kInliningEnabled | |
| CompilationInfo::kTypingEnabled; |
| CHECK_EQ(0, flags_ & ~supported_flags); |
| } |
| |
| explicit FunctionTester(Graph* graph) |
| : isolate(main_isolate()), |
| function(NewFunction("(function(a,b){})")), |
| flags_(0) { |
| CompileGraph(graph); |
| } |
| |
| Isolate* isolate; |
| Handle<JSFunction> function; |
| |
| MaybeHandle<Object> Call(Handle<Object> a, Handle<Object> b) { |
| Handle<Object> args[] = {a, b}; |
| return Execution::Call(isolate, function, undefined(), 2, args, false); |
| } |
| |
| void CheckThrows(Handle<Object> a, Handle<Object> b) { |
| TryCatch try_catch; |
| MaybeHandle<Object> no_result = Call(a, b); |
| CHECK(isolate->has_pending_exception()); |
| CHECK(try_catch.HasCaught()); |
| CHECK(no_result.is_null()); |
| // TODO(mstarzinger): Temporary workaround for issue chromium:362388. |
| isolate->OptionalRescheduleException(true); |
| } |
| |
| v8::Handle<v8::Message> CheckThrowsReturnMessage(Handle<Object> a, |
| Handle<Object> b) { |
| TryCatch try_catch; |
| MaybeHandle<Object> no_result = Call(a, b); |
| CHECK(isolate->has_pending_exception()); |
| CHECK(try_catch.HasCaught()); |
| CHECK(no_result.is_null()); |
| // TODO(mstarzinger): Calling OptionalRescheduleException is a dirty hack, |
| // it's the only way to make Message() not to assert because an external |
| // exception has been caught by the try_catch. |
| isolate->OptionalRescheduleException(true); |
| return try_catch.Message(); |
| } |
| |
| void CheckCall(Handle<Object> expected, Handle<Object> a, Handle<Object> b) { |
| Handle<Object> result = Call(a, b).ToHandleChecked(); |
| CHECK(expected->SameValue(*result)); |
| } |
| |
| void CheckCall(Handle<Object> expected, Handle<Object> a) { |
| CheckCall(expected, a, undefined()); |
| } |
| |
| void CheckCall(Handle<Object> expected) { |
| CheckCall(expected, undefined(), undefined()); |
| } |
| |
| void CheckCall(double expected, double a, double b) { |
| CheckCall(Val(expected), Val(a), Val(b)); |
| } |
| |
| void CheckTrue(Handle<Object> a, Handle<Object> b) { |
| CheckCall(true_value(), a, b); |
| } |
| |
| void CheckTrue(Handle<Object> a) { CheckCall(true_value(), a, undefined()); } |
| |
| void CheckTrue(double a, double b) { |
| CheckCall(true_value(), Val(a), Val(b)); |
| } |
| |
| void CheckFalse(Handle<Object> a, Handle<Object> b) { |
| CheckCall(false_value(), a, b); |
| } |
| |
| void CheckFalse(Handle<Object> a) { |
| CheckCall(false_value(), a, undefined()); |
| } |
| |
| void CheckFalse(double a, double b) { |
| CheckCall(false_value(), Val(a), Val(b)); |
| } |
| |
| Handle<JSFunction> NewFunction(const char* source) { |
| return v8::Utils::OpenHandle( |
| *v8::Handle<v8::Function>::Cast(CompileRun(source))); |
| } |
| |
| Handle<JSObject> NewObject(const char* source) { |
| return v8::Utils::OpenHandle( |
| *v8::Handle<v8::Object>::Cast(CompileRun(source))); |
| } |
| |
| Handle<String> Val(const char* string) { |
| return isolate->factory()->InternalizeUtf8String(string); |
| } |
| |
| Handle<Object> Val(double value) { |
| return isolate->factory()->NewNumber(value); |
| } |
| |
| Handle<Object> infinity() { return isolate->factory()->infinity_value(); } |
| |
| Handle<Object> minus_infinity() { return Val(-V8_INFINITY); } |
| |
| Handle<Object> nan() { return isolate->factory()->nan_value(); } |
| |
| Handle<Object> undefined() { return isolate->factory()->undefined_value(); } |
| |
| Handle<Object> null() { return isolate->factory()->null_value(); } |
| |
| Handle<Object> true_value() { return isolate->factory()->true_value(); } |
| |
| Handle<Object> false_value() { return isolate->factory()->false_value(); } |
| |
| Handle<JSFunction> Compile(Handle<JSFunction> function) { |
| // TODO(titzer): make this method private. |
| #if V8_TURBOFAN_TARGET |
| CompilationInfoWithZone info(function); |
| |
| CHECK(Parser::Parse(&info)); |
| info.SetOptimizing(BailoutId::None(), Handle<Code>(function->code())); |
| if (flags_ & CompilationInfo::kContextSpecializing) { |
| info.MarkAsContextSpecializing(); |
| } |
| if (flags_ & CompilationInfo::kInliningEnabled) { |
| info.MarkAsInliningEnabled(); |
| } |
| if (flags_ & CompilationInfo::kTypingEnabled) { |
| info.MarkAsTypingEnabled(); |
| } |
| CHECK(Compiler::Analyze(&info)); |
| CHECK(Compiler::EnsureDeoptimizationSupport(&info)); |
| |
| Pipeline pipeline(&info); |
| Handle<Code> code = pipeline.GenerateCode(); |
| if (FLAG_turbo_deoptimization) { |
| info.context()->native_context()->AddOptimizedCode(*code); |
| } |
| |
| CHECK(!code.is_null()); |
| function->ReplaceCode(*code); |
| #elif USE_CRANKSHAFT |
| Handle<Code> unoptimized = Handle<Code>(function->code()); |
| Handle<Code> code = Compiler::GetOptimizedCode(function, unoptimized, |
| Compiler::NOT_CONCURRENT); |
| CHECK(!code.is_null()); |
| #if ENABLE_DISASSEMBLER |
| if (FLAG_print_opt_code) { |
| CodeTracer::Scope tracing_scope(isolate->GetCodeTracer()); |
| code->Disassemble("test code", tracing_scope.file()); |
| } |
| #endif |
| function->ReplaceCode(*code); |
| #endif |
| return function; |
| } |
| |
| static Handle<JSFunction> ForMachineGraph(Graph* graph) { |
| JSFunction* p = NULL; |
| { // because of the implicit handle scope of FunctionTester. |
| FunctionTester f(graph); |
| p = *f.function; |
| } |
| return Handle<JSFunction>(p); // allocated in outer handle scope. |
| } |
| |
| private: |
| uint32_t flags_; |
| |
| // Compile the given machine graph instead of the source of the function |
| // and replace the JSFunction's code with the result. |
| Handle<JSFunction> CompileGraph(Graph* graph) { |
| CHECK(Pipeline::SupportedTarget()); |
| CompilationInfoWithZone info(function); |
| |
| CHECK(Parser::Parse(&info)); |
| info.SetOptimizing(BailoutId::None(), |
| Handle<Code>(function->shared()->code())); |
| CHECK(Compiler::Analyze(&info)); |
| CHECK(Compiler::EnsureDeoptimizationSupport(&info)); |
| |
| Handle<Code> code = Pipeline::GenerateCodeForTesting(&info, graph); |
| CHECK(!code.is_null()); |
| function->ReplaceCode(*code); |
| return function; |
| } |
| }; |
| } |
| } |
| } // namespace v8::internal::compiler |
| |
| #endif // V8_CCTEST_COMPILER_FUNCTION_TESTER_H_ |