| // Copyright 2015 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. |
| |
| #include "src/v8.h" |
| |
| #include "src/execution.h" |
| #include "src/handles.h" |
| #include "src/interpreter/bytecode-array-builder.h" |
| #include "src/interpreter/interpreter.h" |
| #include "test/cctest/cctest.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace interpreter { |
| |
| |
| static MaybeHandle<Object> CallInterpreter(Isolate* isolate, |
| Handle<JSFunction> function) { |
| return Execution::Call(isolate, function, |
| isolate->factory()->undefined_value(), 0, nullptr, |
| false); |
| } |
| |
| |
| template <class... A> |
| static MaybeHandle<Object> CallInterpreter(Isolate* isolate, |
| Handle<JSFunction> function, |
| A... args) { |
| Handle<Object> argv[] = { args... }; |
| return Execution::Call(isolate, function, |
| isolate->factory()->undefined_value(), sizeof...(args), |
| argv, false); |
| } |
| |
| |
| template <class... A> |
| class InterpreterCallable { |
| public: |
| InterpreterCallable(Isolate* isolate, Handle<JSFunction> function) |
| : isolate_(isolate), function_(function) {} |
| virtual ~InterpreterCallable() {} |
| |
| MaybeHandle<Object> operator()(A... args) { |
| return CallInterpreter(isolate_, function_, args...); |
| } |
| |
| private: |
| Isolate* isolate_; |
| Handle<JSFunction> function_; |
| }; |
| |
| |
| class InterpreterTester { |
| public: |
| InterpreterTester(Isolate* isolate, Handle<BytecodeArray> bytecode) |
| : isolate_(isolate), bytecode_(bytecode) { |
| i::FLAG_ignition = true; |
| // Ensure handler table is generated. |
| isolate->interpreter()->Initialize(); |
| } |
| virtual ~InterpreterTester() {} |
| |
| template <class... A> |
| InterpreterCallable<A...> GetCallable() { |
| return InterpreterCallable<A...>(isolate_, GetBytecodeFunction<A...>()); |
| } |
| |
| private: |
| Isolate* isolate_; |
| Handle<BytecodeArray> bytecode_; |
| |
| template <class... A> |
| Handle<JSFunction> GetBytecodeFunction() { |
| int arg_count = sizeof...(A); |
| std::string function_text("(function("); |
| for (int i = 0; i < arg_count; i++) { |
| function_text += i == 0 ? "a" : ", a"; |
| } |
| function_text += "){})"; |
| |
| Handle<JSFunction> function = v8::Utils::OpenHandle( |
| *v8::Handle<v8::Function>::Cast(CompileRun(function_text.c_str()))); |
| function->ReplaceCode(*isolate_->builtins()->InterpreterEntryTrampoline()); |
| function->shared()->set_function_data(*bytecode_); |
| return function; |
| } |
| |
| DISALLOW_COPY_AND_ASSIGN(InterpreterTester); |
| }; |
| |
| } // namespace interpreter |
| } // namespace internal |
| } // namespace v8 |
| |
| using v8::internal::BytecodeArray; |
| using v8::internal::Handle; |
| using v8::internal::Object; |
| using v8::internal::Smi; |
| using v8::internal::Token; |
| using namespace v8::internal::interpreter; |
| |
| TEST(InterpreterReturn) { |
| InitializedHandleScope handles; |
| Handle<Object> undefined_value = |
| handles.main_isolate()->factory()->undefined_value(); |
| |
| BytecodeArrayBuilder builder(handles.main_isolate()); |
| builder.set_locals_count(0); |
| builder.set_parameter_count(1); |
| builder.Return(); |
| Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray(); |
| |
| InterpreterTester tester(handles.main_isolate(), bytecode_array); |
| auto callable = tester.GetCallable<>(); |
| Handle<Object> return_val = callable().ToHandleChecked(); |
| CHECK(return_val.is_identical_to(undefined_value)); |
| } |
| |
| |
| TEST(InterpreterLoadUndefined) { |
| InitializedHandleScope handles; |
| Handle<Object> undefined_value = |
| handles.main_isolate()->factory()->undefined_value(); |
| |
| BytecodeArrayBuilder builder(handles.main_isolate()); |
| builder.set_locals_count(0); |
| builder.set_parameter_count(1); |
| builder.LoadUndefined().Return(); |
| Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray(); |
| |
| InterpreterTester tester(handles.main_isolate(), bytecode_array); |
| auto callable = tester.GetCallable<>(); |
| Handle<Object> return_val = callable().ToHandleChecked(); |
| CHECK(return_val.is_identical_to(undefined_value)); |
| } |
| |
| |
| TEST(InterpreterLoadNull) { |
| InitializedHandleScope handles; |
| Handle<Object> null_value = handles.main_isolate()->factory()->null_value(); |
| |
| BytecodeArrayBuilder builder(handles.main_isolate()); |
| builder.set_locals_count(0); |
| builder.set_parameter_count(1); |
| builder.LoadNull().Return(); |
| Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray(); |
| |
| InterpreterTester tester(handles.main_isolate(), bytecode_array); |
| auto callable = tester.GetCallable<>(); |
| Handle<Object> return_val = callable().ToHandleChecked(); |
| CHECK(return_val.is_identical_to(null_value)); |
| } |
| |
| |
| TEST(InterpreterLoadTheHole) { |
| InitializedHandleScope handles; |
| Handle<Object> the_hole_value = |
| handles.main_isolate()->factory()->the_hole_value(); |
| |
| BytecodeArrayBuilder builder(handles.main_isolate()); |
| builder.set_locals_count(0); |
| builder.set_parameter_count(1); |
| builder.LoadTheHole().Return(); |
| Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray(); |
| |
| InterpreterTester tester(handles.main_isolate(), bytecode_array); |
| auto callable = tester.GetCallable<>(); |
| Handle<Object> return_val = callable().ToHandleChecked(); |
| CHECK(return_val.is_identical_to(the_hole_value)); |
| } |
| |
| |
| TEST(InterpreterLoadTrue) { |
| InitializedHandleScope handles; |
| Handle<Object> true_value = handles.main_isolate()->factory()->true_value(); |
| |
| BytecodeArrayBuilder builder(handles.main_isolate()); |
| builder.set_locals_count(0); |
| builder.set_parameter_count(1); |
| builder.LoadTrue().Return(); |
| Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray(); |
| |
| InterpreterTester tester(handles.main_isolate(), bytecode_array); |
| auto callable = tester.GetCallable<>(); |
| Handle<Object> return_val = callable().ToHandleChecked(); |
| CHECK(return_val.is_identical_to(true_value)); |
| } |
| |
| |
| TEST(InterpreterLoadFalse) { |
| InitializedHandleScope handles; |
| Handle<Object> false_value = handles.main_isolate()->factory()->false_value(); |
| |
| BytecodeArrayBuilder builder(handles.main_isolate()); |
| builder.set_locals_count(0); |
| builder.set_parameter_count(1); |
| builder.LoadFalse().Return(); |
| Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray(); |
| |
| InterpreterTester tester(handles.main_isolate(), bytecode_array); |
| auto callable = tester.GetCallable<>(); |
| Handle<Object> return_val = callable().ToHandleChecked(); |
| CHECK(return_val.is_identical_to(false_value)); |
| } |
| |
| |
| TEST(InterpreterLoadLiteral) { |
| InitializedHandleScope handles; |
| for (int i = -128; i < 128; i++) { |
| BytecodeArrayBuilder builder(handles.main_isolate()); |
| builder.set_locals_count(0); |
| builder.set_parameter_count(1); |
| builder.LoadLiteral(Smi::FromInt(i)).Return(); |
| Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray(); |
| |
| InterpreterTester tester(handles.main_isolate(), bytecode_array); |
| auto callable = tester.GetCallable<>(); |
| Handle<Object> return_val = callable().ToHandleChecked(); |
| CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(i)); |
| } |
| } |
| |
| |
| TEST(InterpreterLoadStoreRegisters) { |
| InitializedHandleScope handles; |
| Handle<Object> true_value = handles.main_isolate()->factory()->true_value(); |
| for (int i = 0; i <= Register::kMaxRegisterIndex; i++) { |
| BytecodeArrayBuilder builder(handles.main_isolate()); |
| builder.set_locals_count(i + 1); |
| builder.set_parameter_count(1); |
| Register reg(i); |
| builder.LoadTrue() |
| .StoreAccumulatorInRegister(reg) |
| .LoadFalse() |
| .LoadAccumulatorWithRegister(reg) |
| .Return(); |
| Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray(); |
| |
| InterpreterTester tester(handles.main_isolate(), bytecode_array); |
| auto callable = tester.GetCallable<>(); |
| Handle<Object> return_val = callable().ToHandleChecked(); |
| CHECK(return_val.is_identical_to(true_value)); |
| } |
| } |
| |
| |
| TEST(InterpreterAdd) { |
| InitializedHandleScope handles; |
| // TODO(rmcilroy): Do add tests for heap numbers and strings once we support |
| // them. |
| BytecodeArrayBuilder builder(handles.main_isolate()); |
| builder.set_locals_count(1); |
| builder.set_parameter_count(1); |
| Register reg(0); |
| builder.LoadLiteral(Smi::FromInt(1)) |
| .StoreAccumulatorInRegister(reg) |
| .LoadLiteral(Smi::FromInt(2)) |
| .BinaryOperation(Token::Value::ADD, reg) |
| .Return(); |
| Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray(); |
| |
| InterpreterTester tester(handles.main_isolate(), bytecode_array); |
| auto callable = tester.GetCallable<>(); |
| Handle<Object> return_val = callable().ToHandleChecked(); |
| CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(3)); |
| } |
| |
| |
| TEST(InterpreterSub) { |
| InitializedHandleScope handles; |
| // TODO(rmcilroy): Do add tests for heap numbers once we support them. |
| BytecodeArrayBuilder builder(handles.main_isolate()); |
| builder.set_locals_count(1); |
| builder.set_parameter_count(1); |
| Register reg(0); |
| builder.LoadLiteral(Smi::FromInt(5)) |
| .StoreAccumulatorInRegister(reg) |
| .LoadLiteral(Smi::FromInt(31)) |
| .BinaryOperation(Token::Value::SUB, reg) |
| .Return(); |
| Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray(); |
| |
| InterpreterTester tester(handles.main_isolate(), bytecode_array); |
| auto callable = tester.GetCallable<>(); |
| Handle<Object> return_val = callable().ToHandleChecked(); |
| CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(-26)); |
| } |
| |
| |
| TEST(InterpreterMul) { |
| InitializedHandleScope handles; |
| // TODO(rmcilroy): Do add tests for heap numbers once we support them. |
| BytecodeArrayBuilder builder(handles.main_isolate()); |
| builder.set_locals_count(1); |
| builder.set_parameter_count(1); |
| Register reg(0); |
| builder.LoadLiteral(Smi::FromInt(111)) |
| .StoreAccumulatorInRegister(reg) |
| .LoadLiteral(Smi::FromInt(6)) |
| .BinaryOperation(Token::Value::MUL, reg) |
| .Return(); |
| Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray(); |
| |
| InterpreterTester tester(handles.main_isolate(), bytecode_array); |
| auto callable = tester.GetCallable<>(); |
| Handle<Object> return_val = callable().ToHandleChecked(); |
| CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(666)); |
| } |
| |
| |
| TEST(InterpreterDiv) { |
| InitializedHandleScope handles; |
| // TODO(rmcilroy): Do add tests for heap numbers once we support them. |
| BytecodeArrayBuilder builder(handles.main_isolate()); |
| builder.set_locals_count(1); |
| builder.set_parameter_count(1); |
| Register reg(0); |
| builder.LoadLiteral(Smi::FromInt(-20)) |
| .StoreAccumulatorInRegister(reg) |
| .LoadLiteral(Smi::FromInt(5)) |
| .BinaryOperation(Token::Value::DIV, reg) |
| .Return(); |
| Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray(); |
| |
| InterpreterTester tester(handles.main_isolate(), bytecode_array); |
| auto callable = tester.GetCallable<>(); |
| Handle<Object> return_val = callable().ToHandleChecked(); |
| CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(-4)); |
| } |
| |
| |
| TEST(InterpreterMod) { |
| InitializedHandleScope handles; |
| // TODO(rmcilroy): Do add tests for heap numbers once we support them. |
| BytecodeArrayBuilder builder(handles.main_isolate()); |
| builder.set_locals_count(1); |
| builder.set_parameter_count(1); |
| Register reg(0); |
| builder.LoadLiteral(Smi::FromInt(121)) |
| .StoreAccumulatorInRegister(reg) |
| .LoadLiteral(Smi::FromInt(100)) |
| .BinaryOperation(Token::Value::MOD, reg) |
| .Return(); |
| Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray(); |
| |
| InterpreterTester tester(handles.main_isolate(), bytecode_array); |
| auto callable = tester.GetCallable<>(); |
| Handle<Object> return_val = callable().ToHandleChecked(); |
| CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(21)); |
| } |
| |
| |
| TEST(InterpreterParameter1) { |
| InitializedHandleScope handles; |
| BytecodeArrayBuilder builder(handles.main_isolate()); |
| builder.set_locals_count(1); |
| builder.set_parameter_count(1); |
| builder.LoadAccumulatorWithRegister(builder.Parameter(0)).Return(); |
| Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray(); |
| |
| InterpreterTester tester(handles.main_isolate(), bytecode_array); |
| auto callable = tester.GetCallable<Handle<Object>>(); |
| |
| // Check for heap objects. |
| Handle<Object> true_value = handles.main_isolate()->factory()->true_value(); |
| Handle<Object> return_val = callable(true_value).ToHandleChecked(); |
| CHECK(return_val.is_identical_to(true_value)); |
| |
| // Check for Smis. |
| return_val = callable(Handle<Smi>(Smi::FromInt(3), handles.main_isolate())) |
| .ToHandleChecked(); |
| CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(3)); |
| } |
| |
| |
| TEST(InterpreterParameter8) { |
| InitializedHandleScope handles; |
| BytecodeArrayBuilder builder(handles.main_isolate()); |
| builder.set_locals_count(1); |
| builder.set_parameter_count(8); |
| builder.LoadAccumulatorWithRegister(builder.Parameter(0)) |
| .BinaryOperation(Token::Value::ADD, builder.Parameter(1)) |
| .BinaryOperation(Token::Value::ADD, builder.Parameter(2)) |
| .BinaryOperation(Token::Value::ADD, builder.Parameter(3)) |
| .BinaryOperation(Token::Value::ADD, builder.Parameter(4)) |
| .BinaryOperation(Token::Value::ADD, builder.Parameter(5)) |
| .BinaryOperation(Token::Value::ADD, builder.Parameter(6)) |
| .BinaryOperation(Token::Value::ADD, builder.Parameter(7)) |
| .Return(); |
| Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray(); |
| |
| InterpreterTester tester(handles.main_isolate(), bytecode_array); |
| typedef Handle<Object> H; |
| auto callable = tester.GetCallable<H, H, H, H, H, H, H, H>(); |
| |
| Handle<Smi> arg1 = Handle<Smi>(Smi::FromInt(1), handles.main_isolate()); |
| Handle<Smi> arg2 = Handle<Smi>(Smi::FromInt(2), handles.main_isolate()); |
| Handle<Smi> arg3 = Handle<Smi>(Smi::FromInt(3), handles.main_isolate()); |
| Handle<Smi> arg4 = Handle<Smi>(Smi::FromInt(4), handles.main_isolate()); |
| Handle<Smi> arg5 = Handle<Smi>(Smi::FromInt(5), handles.main_isolate()); |
| Handle<Smi> arg6 = Handle<Smi>(Smi::FromInt(6), handles.main_isolate()); |
| Handle<Smi> arg7 = Handle<Smi>(Smi::FromInt(7), handles.main_isolate()); |
| Handle<Smi> arg8 = Handle<Smi>(Smi::FromInt(8), handles.main_isolate()); |
| // Check for Smis. |
| Handle<Object> return_val = |
| callable(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) |
| .ToHandleChecked(); |
| CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(36)); |
| } |