Implementing ConstructorCall. (part I)

runtime/vm/flow_graph_compiler_x64.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "vm/ast_printer.h"
@@ skipping 55 matching lines @@
                                                  intptr_t token_index,
                                                  const AbstractType& dst_type,
                                                  const String& dst_name) {
   Bailout("GenerateAssertAssignable");
 }
 
 
 void FlowGraphCompiler::LoadValue(Value* value) {
   if (value->IsConstant()) {
     ConstantVal* constant = value->AsConstant();
-    if (constant->instance().IsSmi()) {
-      int64_t imm = reinterpret_cast<int64_t>(constant->instance().raw());
+    if (constant->value().IsSmi()) {
+      int64_t imm = reinterpret_cast<int64_t>(constant->value().raw());
       __ movq(RAX, Immediate(imm));
     } else {
-      __ LoadObject(RAX, value->AsConstant()->instance());
+      __ LoadObject(RAX, value->AsConstant()->value());
     }
   } else {
     ASSERT(value->IsTemp());
     __ popq(RAX);
   }
 }
 
 
 void FlowGraphCompiler::VisitTemp(TempVal* val) {
   LoadValue(val);
@@ skipping 237 matching lines @@
   __ LoadObject(RAX, bool_false);
   __ Bind(&done);
 }
 
 
 void FlowGraphCompiler::VisitInstanceOf(InstanceOfComp* comp) {
   Bailout("InstanceOf");
 }
 
 
+void FlowGraphCompiler::VisitAllocateObject(AllocateObjectComp* comp) {
+  const Class& cls = Class::ZoneHandle(comp->constructor().owner());
+  const bool requires_type_arguments = cls.HasTypeArguments();
+  const Code& stub = Code::Handle(StubCode::GetAllocationStubForClass(cls));
+  const ExternalLabel label(cls.ToCString(), stub.EntryPoint());
+  GenerateCall(comp->token_index(), &label, PcDescriptors::kOther);
+  if (requires_type_arguments) {
+    __ popq(RCX);  // Discard type arguments.
+    __ popq(RCX);  // Discard instantiator type arguments.
+  }
+}
+
+
 void FlowGraphCompiler::VisitBlocks(
     const GrowableArray<BlockEntryInstr*>& blocks) {
   for (intptr_t i = blocks.length() - 1; i >= 0; --i) {
     // Compile the block entry.
     current_block_ = blocks[i];
     Instruction* instr = current_block()->Accept(this);
     // Compile all successors until an exit, branch, or a block entry.
     while ((instr != NULL) && !instr->IsBlockEntry()) {
       instr = instr->Accept(this);
     }
@@ skipping 253 matching lines @@
 void FlowGraphCompiler::FinalizeExceptionHandlers(const Code& code) {
   // We don't compile exception handlers yet.
   code.set_exception_handlers(
       ExceptionHandlers::Handle(ExceptionHandlers::New(0)));
 }
 
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64