Move object literal checking into checker classes

src/arm64/full-codegen-arm64.cc

 // Copyright 2013 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"
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 1707 matching lines @@
           EmitSetHomeObjectIfNeeded(value, 2);
           __ Mov(x0, Smi::FromInt(SLOPPY));  // Strict mode
           __ Push(x0);
           __ CallRuntime(Runtime::kSetProperty, 4);
         } else {
           VisitForEffect(key);
           VisitForEffect(value);
         }
         break;
       case ObjectLiteral::Property::PROTOTYPE:
-        if (property->emit_store()) {
-          // Duplicate receiver on stack.
-          __ Peek(x0, 0);
-          __ Push(x0);
-          VisitForStackValue(value);
-          __ CallRuntime(Runtime::kInternalSetPrototype, 2);
-        } else {
-          VisitForEffect(value);
-        }
+        DCHECK(property->emit_store());
+        // Duplicate receiver on stack.
+        __ Peek(x0, 0);
+        __ Push(x0);
+        VisitForStackValue(value);
+        __ CallRuntime(Runtime::kInternalSetPrototype, 2);
         break;
       case ObjectLiteral::Property::GETTER:
         accessor_table.lookup(key)->second->getter = value;
         break;
       case ObjectLiteral::Property::SETTER:
         accessor_table.lookup(key)->second->setter = value;
         break;
     }
   }
 
@@ skipping 31 matching lines @@
       __ Push(x0);  // Save result on stack
       result_saved = true;
     }
 
     __ Peek(x10, 0);  // Duplicate receiver.
     __ Push(x10);
 
     if (property->kind() == ObjectLiteral::Property::PROTOTYPE) {
       DCHECK(!property->is_computed_name());
       VisitForStackValue(value);
-      if (property->emit_store()) {
-        __ CallRuntime(Runtime::kInternalSetPrototype, 2);
-      } else {
-        __ Drop(2);
-      }
+      DCHECK(property->emit_store());
+      __ CallRuntime(Runtime::kInternalSetPrototype, 2);
     } else {
       EmitPropertyKey(property);
       VisitForStackValue(value);
 
       switch (property->kind()) {
         case ObjectLiteral::Property::CONSTANT:
         case ObjectLiteral::Property::MATERIALIZED_LITERAL:
         case ObjectLiteral::Property::COMPUTED:
           if (property->emit_store()) {
             __ Mov(x0, Smi::FromInt(NONE));
@@ skipping 444 matching lines @@
       __ Peek(scratch, 0);  // prototype
     }
     __ Push(scratch);
     EmitPropertyKey(property);
     VisitForStackValue(value);
     EmitSetHomeObjectIfNeeded(value, 2);
 
     switch (property->kind()) {
       case ObjectLiteral::Property::CONSTANT:
       case ObjectLiteral::Property::MATERIALIZED_LITERAL:
+      case ObjectLiteral::Property::PROTOTYPE:
+        UNREACHABLE();
       case ObjectLiteral::Property::COMPUTED:
-      case ObjectLiteral::Property::PROTOTYPE:
         __ CallRuntime(Runtime::kDefineClassMethod, 3);
         break;
 
       case ObjectLiteral::Property::GETTER:
         __ CallRuntime(Runtime::kDefineGetterPropertyUnchecked, 3);
         break;
 
       case ObjectLiteral::Property::SETTER:
         __ CallRuntime(Runtime::kDefineSetterPropertyUnchecked, 3);
         break;
@@ skipping 3121 matching lines @@
   return previous_;
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64