Introduce accessors on builtins instance

src/x64/full-codegen-x64.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 722 matching lines @@
         VisitForAccumulatorValue(function);
         __ pop(rdx);
       } else {
         __ movq(rdx, rax);
         __ LoadRoot(rax, Heap::kTheHoleValueRootIndex);
       }
       ASSERT(prop->key()->AsLiteral() != NULL &&
              prop->key()->AsLiteral()->handle()->IsSmi());
       __ Move(rcx, prop->key()->AsLiteral()->handle());
 
-      Handle<Code> ic(isolate()->builtins()->builtin(is_strict_mode()
+      Builtins::Name builtin = is_strict_mode()
           ? Builtins::KeyedStoreIC_Initialize_Strict
-          : Builtins::KeyedStoreIC_Initialize));
+          : Builtins::KeyedStoreIC_Initialize;
+      Handle<Code> ic = Builtins::builtin(builtin, isolate());
       EmitCallIC(ic, RelocInfo::CODE_TARGET);
     }
   }
 }
 
 
 void FullCodeGenerator::VisitDeclaration(Declaration* decl) {
   EmitDeclaration(decl->proxy()->var(), decl->mode(), decl->fun());
 }
 
@@ skipping 358 matching lines @@
     __ movq(temp, ContextOperand(temp, Context::CLOSURE_INDEX));
     __ movq(temp, FieldOperand(temp, JSFunction::kContextOffset));
     __ jmp(&next);
     __ bind(&fast);
   }
 
   // All extension objects were empty and it is safe to use a global
   // load IC call.
   __ movq(rax, GlobalObjectOperand());
   __ Move(rcx, slot->var()->name());
-  Handle<Code> ic(isolate()->builtins()->builtin(
-      Builtins::LoadIC_Initialize));
+  Handle<Code> ic =
+      Builtins::builtin(Builtins::LoadIC_Initialize, isolate());
   RelocInfo::Mode mode = (typeof_state == INSIDE_TYPEOF)
       ? RelocInfo::CODE_TARGET
       : RelocInfo::CODE_TARGET_CONTEXT;
   EmitCallIC(ic, mode);
 }
 
 
 MemOperand FullCodeGenerator::ContextSlotOperandCheckExtensions(
     Slot* slot,
     Label* slow) {
@@ skipping 62 matching lines @@
             key_literal != NULL &&
             obj_proxy->IsArguments() &&
             key_literal->handle()->IsSmi()) {
           // Load arguments object if there are no eval-introduced
           // variables. Then load the argument from the arguments
           // object using keyed load.
           __ movq(rdx,
                   ContextSlotOperandCheckExtensions(obj_proxy->var()->AsSlot(),
                                                     slow));
           __ Move(rax, key_literal->handle());
-          Handle<Code> ic(isolate()->builtins()->builtin(
-              Builtins::KeyedLoadIC_Initialize));
+          Handle<Code> ic =
+              Builtins::builtin(Builtins::KeyedLoadIC_Initialize, isolate());
           EmitCallIC(ic, RelocInfo::CODE_TARGET);
           __ jmp(done);
         }
       }
     }
   }
 }
 
 
 void FullCodeGenerator::EmitVariableLoad(Variable* var) {
   // Four cases: non-this global variables, lookup slots, all other
   // types of slots, and parameters that rewrite to explicit property
   // accesses on the arguments object.
   Slot* slot = var->AsSlot();
   Property* property = var->AsProperty();
 
   if (var->is_global() && !var->is_this()) {
     Comment cmnt(masm_, "Global variable");
     // Use inline caching. Variable name is passed in rcx and the global
     // object on the stack.
     __ Move(rcx, var->name());
     __ movq(rax, GlobalObjectOperand());
-    Handle<Code> ic(isolate()->builtins()->builtin(
-        Builtins::LoadIC_Initialize));
+    Handle<Code> ic =
+        Builtins::builtin(Builtins::LoadIC_Initialize, isolate());
     EmitCallIC(ic, RelocInfo::CODE_TARGET_CONTEXT);
     context()->Plug(rax);
 
   } else if (slot != NULL && slot->type() == Slot::LOOKUP) {
     Label done, slow;
 
     // Generate code for loading from variables potentially shadowed
     // by eval-introduced variables.
     EmitDynamicLoadFromSlotFastCase(slot, NOT_INSIDE_TYPEOF, &slow, &done);
 
@@ skipping 42 matching lines @@
 
     // Assert that the key is a smi.
     Literal* key_literal = property->key()->AsLiteral();
     ASSERT_NOT_NULL(key_literal);
     ASSERT(key_literal->handle()->IsSmi());
 
     // Load the key.
     __ Move(rax, key_literal->handle());
 
     // Do a keyed property load.
-    Handle<Code> ic(isolate()->builtins()->builtin(
-        Builtins::KeyedLoadIC_Initialize));
+    Handle<Code> ic =
+        Builtins::builtin(Builtins::KeyedLoadIC_Initialize, isolate());
     EmitCallIC(ic, RelocInfo::CODE_TARGET);
     context()->Plug(rax);
   }
 }
 
 
 void FullCodeGenerator::VisitRegExpLiteral(RegExpLiteral* expr) {
   Comment cmnt(masm_, "[ RegExpLiteral");
   Label materialized;
   // Registers will be used as follows:
@@ skipping 90 matching lines @@
         UNREACHABLE();
       case ObjectLiteral::Property::MATERIALIZED_LITERAL:
         ASSERT(!CompileTimeValue::IsCompileTimeValue(value));
         // Fall through.
       case ObjectLiteral::Property::COMPUTED:
         if (key->handle()->IsSymbol()) {
           VisitForAccumulatorValue(value);
           __ Move(rcx, key->handle());
           __ movq(rdx, Operand(rsp, 0));
           if (property->emit_store()) {
-            Handle<Code> ic(isolate()->builtins()->builtin(
-                Builtins::StoreIC_Initialize));
+            Handle<Code> ic =
+                Builtins::builtin(Builtins::StoreIC_Initialize, isolate());
             EmitCallIC(ic, RelocInfo::CODE_TARGET);
             PrepareForBailoutForId(key->id(), NO_REGISTERS);
           }
           break;
         }
         // Fall through.
       case ObjectLiteral::Property::PROTOTYPE:
         __ push(Operand(rsp, 0));  // Duplicate receiver.
         VisitForStackValue(key);
         VisitForStackValue(value);
@@ skipping 223 matching lines @@
       EmitKeyedPropertyAssignment(expr);
       break;
   }
 }
 
 
 void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) {
   SetSourcePosition(prop->position());
   Literal* key = prop->key()->AsLiteral();
   __ Move(rcx, key->handle());
-  Handle<Code> ic(isolate()->builtins()->builtin(
-      Builtins::LoadIC_Initialize));
+  Handle<Code> ic =
+      Builtins::builtin(Builtins::LoadIC_Initialize, isolate());
   EmitCallIC(ic, RelocInfo::CODE_TARGET);
 }
 
 
 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) {
   SetSourcePosition(prop->position());
-  Handle<Code> ic(isolate()->builtins()->builtin(
-      Builtins::KeyedLoadIC_Initialize));
+  Handle<Code> ic =
+      Builtins::builtin(Builtins::KeyedLoadIC_Initialize, isolate());
   EmitCallIC(ic, RelocInfo::CODE_TARGET);
 }
 
 
 void FullCodeGenerator::EmitInlineSmiBinaryOp(Expression* expr,
                                               Token::Value op,
                                               OverwriteMode mode,
                                               Expression* left,
                                               Expression* right) {
   // Do combined smi check of the operands. Left operand is on the
@@ skipping 85 matching lines @@
       EffectContext context(this);
       EmitVariableAssignment(var, Token::ASSIGN);
       break;
     }
     case NAMED_PROPERTY: {
       __ push(rax);  // Preserve value.
       VisitForAccumulatorValue(prop->obj());
       __ movq(rdx, rax);
       __ pop(rax);  // Restore value.
       __ Move(rcx, prop->key()->AsLiteral()->handle());
-      Handle<Code> ic(isolate()->builtins()->builtin(
-          is_strict_mode() ? Builtins::StoreIC_Initialize_Strict
-                           : Builtins::StoreIC_Initialize));
+      Builtins::Name builtin = is_strict_mode()
+          ? Builtins::StoreIC_Initialize_Strict
+          : Builtins::StoreIC_Initialize;
+      Handle<Code> ic = Builtins::builtin(builtin, isolate());
       EmitCallIC(ic, RelocInfo::CODE_TARGET);
       break;
     }
     case KEYED_PROPERTY: {
       __ push(rax);  // Preserve value.
       if (prop->is_synthetic()) {
         ASSERT(prop->obj()->AsVariableProxy() != NULL);
         ASSERT(prop->key()->AsLiteral() != NULL);
         { AccumulatorValueContext for_object(this);
           EmitVariableLoad(prop->obj()->AsVariableProxy()->var());
         }
         __ movq(rdx, rax);
         __ Move(rcx, prop->key()->AsLiteral()->handle());
       } else {
         VisitForStackValue(prop->obj());
         VisitForAccumulatorValue(prop->key());
         __ movq(rcx, rax);
         __ pop(rdx);
       }
       __ pop(rax);  // Restore value.
-      Handle<Code> ic(isolate()->builtins()->builtin(
-          is_strict_mode() ? Builtins::KeyedStoreIC_Initialize_Strict
-                           : Builtins::KeyedStoreIC_Initialize));
+      Builtins::Name builtin = is_strict_mode()
+          ? Builtins::KeyedStoreIC_Initialize_Strict
+          : Builtins::KeyedStoreIC_Initialize;
+      Handle<Code> ic = Builtins::builtin(builtin, isolate());
       EmitCallIC(ic, RelocInfo::CODE_TARGET);
       break;
     }
   }
   PrepareForBailoutForId(bailout_ast_id, TOS_REG);
   context()->Plug(rax);
 }
 
 
 void FullCodeGenerator::EmitVariableAssignment(Variable* var,
                                                Token::Value op) {
   // Left-hand sides that rewrite to explicit property accesses do not reach
   // here.
   ASSERT(var != NULL);
   ASSERT(var->is_global() || var->AsSlot() != NULL);
 
   if (var->is_global()) {
     ASSERT(!var->is_this());
     // Assignment to a global variable.  Use inline caching for the
     // assignment.  Right-hand-side value is passed in rax, variable name in
     // rcx, and the global object on the stack.
     __ Move(rcx, var->name());
     __ movq(rdx, GlobalObjectOperand());
-    Handle<Code> ic(isolate()->builtins()->builtin(is_strict_mode()
+    Builtins::Name builtin = is_strict_mode()
         ? Builtins::StoreIC_Initialize_Strict
-        : Builtins::StoreIC_Initialize));
+        : Builtins::StoreIC_Initialize;
+    Handle<Code> ic = Builtins::builtin(builtin, isolate());
     EmitCallIC(ic, RelocInfo::CODE_TARGET_CONTEXT);
 
   } else if (op == Token::INIT_CONST) {
     // Like var declarations, const declarations are hoisted to function
     // scope.  However, unlike var initializers, const initializers are able
     // to drill a hole to that function context, even from inside a 'with'
     // context.  We thus bypass the normal static scope lookup.
     Slot* slot = var->AsSlot();
     Label skip;
     switch (slot->type()) {
@@ skipping 80 matching lines @@
   }
 
   // Record source code position before IC call.
   SetSourcePosition(expr->position());
   __ Move(rcx, prop->key()->AsLiteral()->handle());
   if (expr->ends_initialization_block()) {
     __ movq(rdx, Operand(rsp, 0));
   } else {
     __ pop(rdx);
   }
-  Handle<Code> ic(isolate()->builtins()->builtin(
-      is_strict_mode() ? Builtins::StoreIC_Initialize_Strict
-                       : Builtins::StoreIC_Initialize));
+  Builtins::Name builtin = is_strict_mode()
+      ? Builtins::StoreIC_Initialize_Strict
+      : Builtins::StoreIC_Initialize;
+  Handle<Code> ic = Builtins::builtin(builtin, isolate());
   EmitCallIC(ic, RelocInfo::CODE_TARGET);
 
   // If the assignment ends an initialization block, revert to fast case.
   if (expr->ends_initialization_block()) {
     __ push(rax);  // Result of assignment, saved even if not needed.
     __ push(Operand(rsp, kPointerSize));  // Receiver is under value.
     __ CallRuntime(Runtime::kToFastProperties, 1);
     __ pop(rax);
     __ Drop(1);
   }
@@ skipping 17 matching lines @@
   }
 
   __ pop(rcx);
   if (expr->ends_initialization_block()) {
     __ movq(rdx, Operand(rsp, 0));  // Leave receiver on the stack for later.
   } else {
     __ pop(rdx);
   }
   // Record source code position before IC call.
   SetSourcePosition(expr->position());
-  Handle<Code> ic(isolate()->builtins()->builtin(
-      is_strict_mode() ? Builtins::KeyedStoreIC_Initialize_Strict
-                       : Builtins::KeyedStoreIC_Initialize));
+  Builtins::Name builtin = is_strict_mode()
+      ? Builtins::KeyedStoreIC_Initialize_Strict
+      : Builtins::KeyedStoreIC_Initialize;
+  Handle<Code> ic = Builtins::builtin(builtin, isolate());
   EmitCallIC(ic, RelocInfo::CODE_TARGET);
 
   // If the assignment ends an initialization block, revert to fast case.
   if (expr->ends_initialization_block()) {
     __ pop(rdx);
     __ push(rax);  // Result of assignment, saved even if not needed.
     __ push(rdx);
     __ CallRuntime(Runtime::kToFastProperties, 1);
     __ pop(rax);
   }
@@ skipping 258 matching lines @@
         MemOperand operand = EmitSlotSearch(slot, rdx);
         __ movq(rdx, operand);
 
         ASSERT(prop->key()->AsLiteral() != NULL);
         ASSERT(prop->key()->AsLiteral()->handle()->IsSmi());
         __ Move(rax, prop->key()->AsLiteral()->handle());
 
         // Record source code position for IC call.
         SetSourcePosition(prop->position());
 
-        Handle<Code> ic(isolate()->builtins()->builtin(
-            Builtins::KeyedLoadIC_Initialize));
+        Handle<Code> ic =
+            Builtins::builtin(Builtins::KeyedLoadIC_Initialize, isolate());
         EmitCallIC(ic, RelocInfo::CODE_TARGET);
         // Push result (function).
         __ push(rax);
         // Push Global receiver.
         __ movq(rcx, GlobalObjectOperand());
         __ push(FieldOperand(rcx, GlobalObject::kGlobalReceiverOffset));
         EmitCallWithStub(expr);
       } else {
         { PreservePositionScope scope(masm()->positions_recorder());
           VisitForStackValue(prop->obj());
@@ skipping 47 matching lines @@
   }
 
   // Call the construct call builtin that handles allocation and
   // constructor invocation.
   SetSourcePosition(expr->position());
 
   // Load function and argument count into rdi and rax.
   __ Set(rax, arg_count);
   __ movq(rdi, Operand(rsp, arg_count * kPointerSize));
 
-  Handle<Code> construct_builtin(isolate()->builtins()->builtin(
-      Builtins::JSConstructCall));
+  Handle<Code> construct_builtin =
+      Builtins::builtin(Builtins::JSConstructCall, isolate());
   __ Call(construct_builtin, RelocInfo::CONSTRUCT_CALL);
   context()->Plug(rax);
 }
 
 
 void FullCodeGenerator::EmitIsSmi(ZoneList<Expression*>* args) {
   ASSERT(args->length() == 1);
 
   VisitForAccumulatorValue(args->at(0));
 
@@ skipping 1246 matching lines @@
         // Perform the assignment as if via '='.
         EmitVariableAssignment(expr->expression()->AsVariableProxy()->var(),
                                Token::ASSIGN);
         PrepareForBailoutForId(expr->AssignmentId(), TOS_REG);
         context()->Plug(rax);
       }
       break;
     case NAMED_PROPERTY: {
       __ Move(rcx, prop->key()->AsLiteral()->handle());
       __ pop(rdx);
-      Handle<Code> ic(isolate()->builtins()->builtin(
-          is_strict_mode() ? Builtins::StoreIC_Initialize_Strict
-                           : Builtins::StoreIC_Initialize));
+      Builtins::Name builtin = is_strict_mode()
+          ? Builtins::StoreIC_Initialize_Strict
+          : Builtins::StoreIC_Initialize;
+      Handle<Code> ic = Builtins::builtin(builtin, isolate());
       EmitCallIC(ic, RelocInfo::CODE_TARGET);
       PrepareForBailoutForId(expr->AssignmentId(), TOS_REG);
       if (expr->is_postfix()) {
         if (!context()->IsEffect()) {
           context()->PlugTOS();
         }
       } else {
         context()->Plug(rax);
       }
       break;
     }
     case KEYED_PROPERTY: {
       __ pop(rcx);
       __ pop(rdx);
-      Handle<Code> ic(isolate()->builtins()->builtin(
-          is_strict_mode() ? Builtins::KeyedStoreIC_Initialize_Strict
-                           : Builtins::KeyedStoreIC_Initialize));
+      Builtins::Name builtin = is_strict_mode()
+          ? Builtins::KeyedStoreIC_Initialize_Strict
+          : Builtins::KeyedStoreIC_Initialize;
+      Handle<Code> ic = Builtins::builtin(builtin, isolate());
       EmitCallIC(ic, RelocInfo::CODE_TARGET);
       PrepareForBailoutForId(expr->AssignmentId(), TOS_REG);
       if (expr->is_postfix()) {
         if (!context()->IsEffect()) {
           context()->PlugTOS();
         }
       } else {
         context()->Plug(rax);
       }
       break;
     }
   }
 }
 
 
 void FullCodeGenerator::VisitForTypeofValue(Expression* expr) {
   VariableProxy* proxy = expr->AsVariableProxy();
   ASSERT(!context()->IsEffect());
   ASSERT(!context()->IsTest());
 
   if (proxy != NULL && !proxy->var()->is_this() && proxy->var()->is_global()) {
     Comment cmnt(masm_, "Global variable");
     __ Move(rcx, proxy->name());
     __ movq(rax, GlobalObjectOperand());
-    Handle<Code> ic(isolate()->builtins()->builtin(
-        Builtins::LoadIC_Initialize));
+    Handle<Code> ic = Builtins::builtin(Builtins::LoadIC_Initialize, isolate());
     // Use a regular load, not a contextual load, to avoid a reference
     // error.
     EmitCallIC(ic, RelocInfo::CODE_TARGET);
     PrepareForBailout(expr, TOS_REG);
     context()->Plug(rax);
   } else if (proxy != NULL &&
              proxy->var()->AsSlot() != NULL &&
              proxy->var()->AsSlot()->type() == Slot::LOOKUP) {
     Label done, slow;
 
@@ skipping 362 matching lines @@
   __ ret(0);
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64