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Unified Diff: test/cctest/interpreter/test-bytecode-generator.cc

Issue 1666943003: [interpreter] Support for ES6 class literals. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Another tweak to cctest.status. Created 4 years, 10 months ago
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Index: test/cctest/interpreter/test-bytecode-generator.cc
diff --git a/test/cctest/interpreter/test-bytecode-generator.cc b/test/cctest/interpreter/test-bytecode-generator.cc
index bfb9f8880783280d5f14e6433b8abe36478cd921..a53f724bb851cfeac99a94446af8914d83d2279a 100644
--- a/test/cctest/interpreter/test-bytecode-generator.cc
+++ b/test/cctest/interpreter/test-bytecode-generator.cc
@@ -15,6 +15,8 @@ namespace v8 {
namespace internal {
namespace interpreter {
+static const InstanceType kInstanceTypeDontCare = static_cast<InstanceType>(-1);
+
class BytecodeGeneratorHelper {
public:
const char* kFunctionName = "f";
@@ -191,7 +193,9 @@ static void CheckConstant(Handle<Object> expected, Object* actual) {
static void CheckConstant(InstanceType expected, Object* actual) {
- CHECK_EQ(expected, HeapObject::cast(actual)->map()->instance_type());
+ if (expected != kInstanceTypeDontCare) {
+ CHECK_EQ(expected, HeapObject::cast(actual)->map()->instance_type());
+ }
}
@@ -8377,6 +8381,210 @@ TEST(DoDebugger) {
CheckBytecodeArrayEqual(snippet, bytecode_array);
}
+TEST(ClassDeclarations) {
+ InitializedHandleScope handle_scope;
+ BytecodeGeneratorHelper helper;
+
+ int closure = Register::function_closure().index();
+ int context = Register::current_context().index();
+
+ // clang-format off
+ ExpectedSnippet<InstanceType, 12> snippets[] = {
+ {"class Person {\n"
+ " constructor(name) { this.name = name; }\n"
+ " speak() { console.log(this.name + ' is speaking.'); }\n"
+ "}\n",
+ 8 * kPointerSize,
+ 1,
+ 61,
+ {
+ B(LdaTheHole), //
+ B(Star), R(1), //
+ B(StackCheck), //
+ B(LdaTheHole), //
+ B(Star), R(0), //
+ B(LdaTheHole), //
+ B(Star), R(2), //
+ B(CreateClosure), U8(0), U8(0), //
+ B(Star), R(3), //
+ B(LdaSmi8), U8(15), //
+ B(Star), R(4), //
+ B(LdaConstant), U8(1), //
+ B(Star), R(5), //
+ B(CallRuntime), U16(Runtime::kDefineClass), R(2), U8(4), //
+ B(Star), R(2), //
+ B(LdaInitialMap), //
+ B(Star), R(3), //
+ B(Mov), R(3), R(4), //
+ B(LdaConstant), U8(2), //
+ B(Star), R(5), //
+ B(CreateClosure), U8(3), U8(0), //
+ B(Star), R(6), //
+ B(CallRuntime), U16(Runtime::kDefineClassMethod), R(4), U8(3), //
+ B(CallRuntime), U16(Runtime::kFinalizeClassDefinition), R(2), U8(2), //
+ B(Star), R(0), //
+ B(Star), R(1), //
+ B(LdaUndefined), //
+ B(Return) //
+ },
+ 4,
+ { InstanceType::SHARED_FUNCTION_INFO_TYPE, kInstanceTypeDontCare,
+ InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
+ InstanceType::SHARED_FUNCTION_INFO_TYPE}},
+ {"class person {\n"
+ " constructor(name) { this.name = name; }\n"
+ " speak() { console.log(this.name + ' is speaking.'); }\n"
+ "}\n",
+ 8 * kPointerSize,
+ 1,
+ 61,
+ {
+ B(LdaTheHole), //
+ B(Star), R(1), //
+ B(StackCheck), //
+ B(LdaTheHole), //
+ B(Star), R(0), //
+ B(LdaTheHole), //
+ B(Star), R(2), //
+ B(CreateClosure), U8(0), U8(0), //
+ B(Star), R(3), //
+ B(LdaSmi8), U8(15), //
+ B(Star), R(4), //
+ B(LdaConstant), U8(1), //
+ B(Star), R(5), //
+ B(CallRuntime), U16(Runtime::kDefineClass), R(2), U8(4), //
+ B(Star), R(2), //
+ B(LdaInitialMap), //
+ B(Star), R(3), //
+ B(Mov), R(3), R(4), //
+ B(LdaConstant), U8(2), //
+ B(Star), R(5), //
+ B(CreateClosure), U8(3), U8(0), //
+ B(Star), R(6), //
+ B(CallRuntime), U16(Runtime::kDefineClassMethod), R(4), U8(3), //
+ B(CallRuntime), U16(Runtime::kFinalizeClassDefinition), R(2), U8(2), //
+ B(Star), R(0), //
+ B(Star), R(1), //
+ B(LdaUndefined), //
+ B(Return) //
+ },
+ 4,
+ { InstanceType::SHARED_FUNCTION_INFO_TYPE, kInstanceTypeDontCare,
+ InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
+ InstanceType::SHARED_FUNCTION_INFO_TYPE}},
+ {"var n0 = 'a';"
+ "var n1 = 'b';"
+ "class N {\n"
+ " [n0]() { return n0; }\n"
+ " static [n1]() { return n1; }\n"
+ "}\n",
+ 9 * kPointerSize,
+ 1,
+ 110,
+ {
+ B(CallRuntime), U16(Runtime::kNewFunctionContext), R(closure), //
+ /* */ U8(1), //
+ B(PushContext), R(2), //
+ B(LdaTheHole), //
+ B(Star), R(1), //
+ B(StackCheck), //
+ B(LdaConstant), U8(0), //
+ B(StaContextSlot), R(context), U8(4), //
+ B(LdaConstant), U8(1), //
+ B(StaContextSlot), R(context), U8(5), //
+ B(LdaTheHole), //
+ B(Star), R(0), //
+ B(LdaTheHole), //
+ B(Star), R(3), //
+ B(CreateClosure), U8(2), U8(0), //
+ B(Star), R(4), //
+ B(LdaSmi8), U8(41), //
+ B(Star), R(5), //
+ B(LdaSmi8), U8(107), //
+ B(Star), R(6), //
+ B(CallRuntime), U16(Runtime::kDefineClass), R(3), U8(4), //
+ B(Star), R(3), //
+ B(LdaInitialMap), //
+ B(Star), R(4), //
+ B(Mov), R(4), R(5), //
+ B(LdaContextSlot), R(context), U8(4), //
+ B(ToName), //
+ B(Star), R(6), //
+ B(CreateClosure), U8(3), U8(0), //
+ B(Star), R(7), //
+ B(CallRuntime), U16(Runtime::kDefineClassMethod), R(5), U8(3), //
+ B(Mov), R(3), R(5), //
+ B(LdaContextSlot), R(context), U8(5), //
+ B(ToName), //
+ B(Star), R(6), //
+ B(LdaConstant), U8(4), //
+ B(TestEqualStrict), R(6), //
+ B(JumpIfFalse), U8(7), //
+ B(CallRuntime), U16(Runtime::kThrowStaticPrototypeError), //
+ /* */ R(0), U8(0), //
+ B(CreateClosure), U8(5), U8(0), //
+ B(Star), R(7), //
+ B(CallRuntime), U16(Runtime::kDefineClassMethod), R(5), U8(3), //
+ B(CallRuntime), U16(Runtime::kFinalizeClassDefinition), R(3), U8(2), //
+ B(Star), R(0), //
+ B(Star), R(1), //
+ B(LdaUndefined), //
+ B(Return), //
+ },
+ 6,
+ { InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
+ InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
+ InstanceType::SHARED_FUNCTION_INFO_TYPE,
+ InstanceType::SHARED_FUNCTION_INFO_TYPE,
+ InstanceType::ONE_BYTE_INTERNALIZED_STRING_TYPE,
+ InstanceType::SHARED_FUNCTION_INFO_TYPE}},
+ {"var count = 0;\n"
+ "class C { constructor() { count++; }}\n"
+ "return new C();\n",
+ 9 * kPointerSize,
+ 1,
+ 60,
+ {
+ B(CallRuntime), U16(Runtime::kNewFunctionContext), R(closure), U8(1), //
+ B(PushContext), R(2), //
+ B(LdaTheHole), //
+ B(Star), R(1), //
+ B(StackCheck), //
+ B(LdaZero), //
+ B(StaContextSlot), R(context), U8(4), //
+ B(LdaTheHole), //
+ B(Star), R(0), //
+ B(LdaTheHole), //
+ B(Star), R(3), //
+ B(CreateClosure), U8(0), U8(0), //
+ B(Star), R(4), //
+ B(LdaSmi8), U8(30), //
+ B(Star), R(5), //
+ B(LdaSmi8), U8(67), //
+ B(Star), R(6), //
+ B(CallRuntime), U16(Runtime::kDefineClass), R(3), U8(4), //
+ B(Star), R(3), //
+ B(LdaInitialMap), //
+ B(Star), R(4), //
+ B(CallRuntime), U16(Runtime::kFinalizeClassDefinition), R(3), U8(2), //
+ B(Star), R(0), //
+ B(Star), R(1), //
+ B(Star), R(3), //
+ B(New), R(3), R(0), U8(0), //
+ B(Return), //
+ },
+ 1,
+ { InstanceType::SHARED_FUNCTION_INFO_TYPE}},
+ };
+ // clang-format on
+
+ for (size_t i = 0; i < arraysize(snippets); i++) {
+ Handle<BytecodeArray> bytecode_array =
+ helper.MakeBytecodeForFunctionBody(snippets[i].code_snippet);
+ CheckBytecodeArrayEqual(snippets[i], bytecode_array);
+ }
+}
+
} // namespace interpreter
} // namespace internal
} // namespace v8
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