Move object literal checking into checker classes

src/x64/full-codegen-x64.cc

 // 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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 1689 matching lines @@
           EmitSetHomeObjectIfNeeded(value, 2);
           __ Push(Smi::FromInt(SLOPPY));  // Strict mode
           __ CallRuntime(Runtime::kSetProperty, 4);
         } else {
           __ Drop(3);
         }
         break;
       case ObjectLiteral::Property::PROTOTYPE:
         __ Push(Operand(rsp, 0));  // Duplicate receiver.
         VisitForStackValue(value);
-        if (property->emit_store()) {
-          __ CallRuntime(Runtime::kInternalSetPrototype, 2);
-        } else {
-          __ Drop(2);
-        }
+        DCHECK(property->emit_store());
+        __ 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 28 matching lines @@
     if (!result_saved) {
       __ Push(rax);  // Save result on the stack
       result_saved = true;
     }
 
     __ Push(Operand(rsp, 0));  // Duplicate receiver.
 
     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()) {
             __ Push(Smi::FromInt(NONE));
@@ skipping 684 matching lines @@
     } else {
       __ Push(Operand(rsp, 0));  // prototype
     }
     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 2818 matching lines @@
   DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(),
             Assembler::target_address_at(call_target_address,
                                          unoptimized_code));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64