Refactor class declaration logic to the parser and runtime

src/runtime/runtime.h

 // Copyright 2012 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_RUNTIME_RUNTIME_H_
 #define V8_RUNTIME_RUNTIME_H_
 
 #include "src/allocation.h"
 #include "src/base/platform/time.h"
 #include "src/objects.h"
@@ skipping 61 matching lines @@
   F(AtomicsNumWaitersForTesting, 2, 1)
 
 #define FOR_EACH_INTRINSIC_CLASSES(F)       \
   F(ThrowNonMethodError, 0, 1)              \
   F(ThrowUnsupportedSuperError, 0, 1)       \
   F(ThrowConstructorNonCallableError, 1, 1) \
   F(ThrowArrayNotSubclassableError, 0, 1)   \
   F(ThrowStaticPrototypeError, 0, 1)        \
   F(ThrowIfStaticPrototype, 1, 1)           \
   F(HomeObjectSymbol, 0, 1)                 \
-  F(DefineClass, 4, 1)                      \
+  F(DefineClass, 7, 1)                      \
   F(LoadFromSuper, 3, 1)                    \
   F(LoadKeyedFromSuper, 3, 1)               \
   F(StoreToSuper_Strict, 4, 1)              \
   F(StoreToSuper_Sloppy, 4, 1)              \
   F(StoreKeyedToSuper_Strict, 4, 1)         \
   F(StoreKeyedToSuper_Sloppy, 4, 1)         \
   F(GetSuperConstructor, 1, 1)
 
 #define FOR_EACH_INTRINSIC_COLLECTIONS(F) \
   F(StringGetRawHashField, 1, 1)          \
@@ skipping 1037 matching lines @@
 // Constants used by interface to runtime functions.
 
 class AllocateDoubleAlignFlag : public BitField<bool, 0, 1> {};
 class AllocateTargetSpace : public BitField<AllocationSpace, 1, 3> {};
 
 class DeclareGlobalsEvalFlag : public BitField<bool, 0, 1> {};
 class DeclareGlobalsNativeFlag : public BitField<bool, 1, 1> {};
 STATIC_ASSERT(LANGUAGE_END == 3);
 class DeclareGlobalsLanguageMode : public BitField<LanguageMode, 2, 2> {};
 
+// These flags are used for passing information about ES6 class methods from the
+// parser to the runtime.
+const uint32_t kIsStaticMask = 0x01;
+const uint32_t kIsAccessorMask = 0x02;
+const uint32_t kIsSetterMask = 0x04;
+
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_RUNTIME_RUNTIME_H_