[refactor] Separate generated builtins and C++ builtins into separate files

src/builtins/builtins.cc

Index: src/builtins/builtins.cc
diff --git a/src/builtins/builtins.cc b/src/builtins/builtins.cc
index c7021029ec5a30a28d04bea03f5baec457a7773a..d642f20882d577e176118cafd1705ba0c71bb20e 100644
--- a/src/builtins/builtins.cc
+++ b/src/builtins/builtins.cc
@@ -203,6 +203,77 @@ const char* Builtins::Lookup(byte* pc) {
   return NULL;
 }
 
+Handle<Code> Builtins::NewFunctionContext(ScopeType scope_type) {
+  switch (scope_type) {
+    case ScopeType::EVAL_SCOPE:
+      return FastNewFunctionContextEval();
+    case ScopeType::FUNCTION_SCOPE:
+      return FastNewFunctionContextFunction();
+    default:
+      UNREACHABLE();
+  }
+  return Handle<Code>::null();
+}
+
+Handle<Code> Builtins::NewCloneShallowArray(
+    AllocationSiteMode allocation_mode) {
+  switch (allocation_mode) {
+    case TRACK_ALLOCATION_SITE:
+      return FastCloneShallowArrayTrack();
+    case DONT_TRACK_ALLOCATION_SITE:
+      return FastCloneShallowArrayDontTrack();
+    default:
+      UNREACHABLE();
+  }
+  return Handle<Code>::null();
+}
+
+Handle<Code> Builtins::NewCloneShallowObject(int length) {
+  switch (length) {
+    case 0:
+      return FastCloneShallowObject0();
+    case 1:
+      return FastCloneShallowObject1();
+    case 2:
+      return FastCloneShallowObject2();
+    case 3:
+      return FastCloneShallowObject3();
+    case 4:
+      return FastCloneShallowObject4();
+    case 5:
+      return FastCloneShallowObject5();
+    case 6:
+      return FastCloneShallowObject6();
+    default:
+      UNREACHABLE();
+  }
+  return Handle<Code>::null();
+}
+
+Handle<Code> Builtins::NonPrimitiveToPrimitive(ToPrimitiveHint hint) {
+  switch (hint) {
+    case ToPrimitiveHint::kDefault:
+      return NonPrimitiveToPrimitive_Default();
+    case ToPrimitiveHint::kNumber:
+      return NonPrimitiveToPrimitive_Number();
+    case ToPrimitiveHint::kString:
+      return NonPrimitiveToPrimitive_String();
+  }
+  UNREACHABLE();
+  return Handle<Code>::null();
+}
+
+Handle<Code> Builtins::OrdinaryToPrimitive(OrdinaryToPrimitiveHint hint) {
+  switch (hint) {
+    case OrdinaryToPrimitiveHint::kNumber:
+      return OrdinaryToPrimitive_Number();
+    case OrdinaryToPrimitiveHint::kString:
+      return OrdinaryToPrimitive_String();
+  }
+  UNREACHABLE();
+  return Handle<Code>::null();
+}
+
 // static
 const char* Builtins::name(int index) {
   switch (index) {