ART: Add dex::TypeIndex

Add abstraction for uint16_t type index.

Test: m test-art-host
Change-Id: I47708741c7c579cbbe59ab723c1e31c5fe71f83a
diff --git a/runtime/interpreter/interpreter.cc b/runtime/interpreter/interpreter.cc
index a32c800..1b3d339 100644
--- a/runtime/interpreter/interpreter.cc
+++ b/runtime/interpreter/interpreter.cc
@@ -543,7 +543,7 @@
           ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
           // This is a suspend point. But it's ok since value has been set into shadow_frame.
           ObjPtr<mirror::Class> klass = class_linker->ResolveType(
-              instr->VRegB_21c(), shadow_frame->GetMethod());
+              dex::TypeIndex(instr->VRegB_21c()), shadow_frame->GetMethod());
           DCHECK(klass->IsStringClass());
         }
       } else {
diff --git a/runtime/interpreter/interpreter_common.cc b/runtime/interpreter/interpreter_common.cc
index 8c63a9e..05f74d6 100644
--- a/runtime/interpreter/interpreter_common.cc
+++ b/runtime/interpreter/interpreter_common.cc
@@ -1460,7 +1460,7 @@
           ObjPtr<mirror::Object> o = shadow_frame.GetVRegReference(src_reg);
           if (do_assignability_check && o != nullptr) {
             PointerSize pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize();
-            const uint32_t type_idx = params->GetTypeItem(shorty_pos).type_idx_;
+            const dex::TypeIndex type_idx = params->GetTypeItem(shorty_pos).type_idx_;
             ObjPtr<mirror::Class> arg_type = method->GetDexCacheResolvedType(type_idx,
                                                                              pointer_size);
             if (arg_type == nullptr) {
@@ -1568,7 +1568,7 @@
     return false;
   }
   uint16_t type_idx = is_range ? inst->VRegB_3rc() : inst->VRegB_35c();
-  ObjPtr<mirror::Class> array_class = ResolveVerifyAndClinit(type_idx,
+  ObjPtr<mirror::Class> array_class = ResolveVerifyAndClinit(dex::TypeIndex(type_idx),
                                                              shadow_frame.GetMethod(),
                                                              self,
                                                              false,
diff --git a/runtime/interpreter/interpreter_switch_impl.cc b/runtime/interpreter/interpreter_switch_impl.cc
index 435ac62..989b7da 100644
--- a/runtime/interpreter/interpreter_switch_impl.cc
+++ b/runtime/interpreter/interpreter_switch_impl.cc
@@ -395,7 +395,7 @@
       }
       case Instruction::CONST_CLASS: {
         PREAMBLE();
-        ObjPtr<mirror::Class> c = ResolveVerifyAndClinit(inst->VRegB_21c(),
+        ObjPtr<mirror::Class> c = ResolveVerifyAndClinit(dex::TypeIndex(inst->VRegB_21c()),
                                                          shadow_frame.GetMethod(),
                                                          self,
                                                          false,
@@ -434,7 +434,7 @@
       }
       case Instruction::CHECK_CAST: {
         PREAMBLE();
-        ObjPtr<mirror::Class> c = ResolveVerifyAndClinit(inst->VRegB_21c(),
+        ObjPtr<mirror::Class> c = ResolveVerifyAndClinit(dex::TypeIndex(inst->VRegB_21c()),
                                                          shadow_frame.GetMethod(),
                                                          self,
                                                          false,
@@ -454,7 +454,7 @@
       }
       case Instruction::INSTANCE_OF: {
         PREAMBLE();
-        ObjPtr<mirror::Class> c = ResolveVerifyAndClinit(inst->VRegC_22c(),
+        ObjPtr<mirror::Class> c = ResolveVerifyAndClinit(dex::TypeIndex(inst->VRegC_22c()),
                                                          shadow_frame.GetMethod(),
                                                          self,
                                                          false,
@@ -484,7 +484,7 @@
       case Instruction::NEW_INSTANCE: {
         PREAMBLE();
         ObjPtr<mirror::Object> obj = nullptr;
-        ObjPtr<mirror::Class> c = ResolveVerifyAndClinit(inst->VRegB_21c(),
+        ObjPtr<mirror::Class> c = ResolveVerifyAndClinit(dex::TypeIndex(inst->VRegB_21c()),
                                                          shadow_frame.GetMethod(),
                                                          self,
                                                          false,
@@ -495,8 +495,10 @@
             obj = mirror::String::AllocEmptyString<true>(self, allocator_type);
           } else {
             obj = AllocObjectFromCode<do_access_check, true>(
-              inst->VRegB_21c(), shadow_frame.GetMethod(), self,
-              Runtime::Current()->GetHeap()->GetCurrentAllocator());
+                dex::TypeIndex(inst->VRegB_21c()),
+                shadow_frame.GetMethod(),
+                self,
+                Runtime::Current()->GetHeap()->GetCurrentAllocator());
           }
         }
         if (UNLIKELY(obj == nullptr)) {
@@ -520,7 +522,10 @@
         PREAMBLE();
         int32_t length = shadow_frame.GetVReg(inst->VRegB_22c(inst_data));
         ObjPtr<mirror::Object> obj = AllocArrayFromCode<do_access_check, true>(
-            inst->VRegC_22c(), length, shadow_frame.GetMethod(), self,
+            dex::TypeIndex(inst->VRegC_22c()),
+            length,
+            shadow_frame.GetMethod(),
+            self,
             Runtime::Current()->GetHeap()->GetCurrentAllocator());
         if (UNLIKELY(obj == nullptr)) {
           HANDLE_PENDING_EXCEPTION();
diff --git a/runtime/interpreter/mterp/mterp.cc b/runtime/interpreter/mterp/mterp.cc
index 2bd47bb..fbfed40 100644
--- a/runtime/interpreter/mterp/mterp.cc
+++ b/runtime/interpreter/mterp/mterp.cc
@@ -304,7 +304,11 @@
                                   ShadowFrame* shadow_frame,
                                   Thread* self)
     REQUIRES_SHARED(Locks::mutator_lock_) {
-  mirror::Class* c = ResolveVerifyAndClinit(index, shadow_frame->GetMethod(), self, false, false);
+  mirror::Class* c = ResolveVerifyAndClinit(dex::TypeIndex(index),
+                                            shadow_frame->GetMethod(),
+                                            self,
+                                            false,
+                                            false);
   if (UNLIKELY(c == nullptr)) {
     return true;
   }
@@ -317,7 +321,11 @@
                                  art::ArtMethod* method,
                                  Thread* self)
     REQUIRES_SHARED(Locks::mutator_lock_) {
-  ObjPtr<mirror::Class> c = ResolveVerifyAndClinit(index, method, self, false, false);
+  ObjPtr<mirror::Class> c = ResolveVerifyAndClinit(dex::TypeIndex(index),
+                                                   method,
+                                                   self,
+                                                   false,
+                                                   false);
   if (UNLIKELY(c == nullptr)) {
     return true;
   }
@@ -335,7 +343,11 @@
                                   art::ArtMethod* method,
                                   Thread* self)
     REQUIRES_SHARED(Locks::mutator_lock_) {
-  ObjPtr<mirror::Class> c = ResolveVerifyAndClinit(index, method, self, false, false);
+  ObjPtr<mirror::Class> c = ResolveVerifyAndClinit(dex::TypeIndex(index),
+                                                   method,
+                                                   self,
+                                                   false,
+                                                   false);
   if (UNLIKELY(c == nullptr)) {
     return false;  // Caller will check for pending exception.  Return value unimportant.
   }
@@ -353,7 +365,7 @@
     REQUIRES_SHARED(Locks::mutator_lock_) {
   const Instruction* inst = Instruction::At(shadow_frame->GetDexPCPtr());
   mirror::Object* obj = nullptr;
-  mirror::Class* c = ResolveVerifyAndClinit(inst->VRegB_21c(),
+  mirror::Class* c = ResolveVerifyAndClinit(dex::TypeIndex(inst->VRegB_21c()),
                                             shadow_frame->GetMethod(),
                                             self,
                                             false,
@@ -363,9 +375,10 @@
       gc::AllocatorType allocator_type = Runtime::Current()->GetHeap()->GetCurrentAllocator();
       obj = mirror::String::AllocEmptyString<true>(self, allocator_type);
     } else {
-      obj = AllocObjectFromCode<false, true>(
-        inst->VRegB_21c(), shadow_frame->GetMethod(), self,
-        Runtime::Current()->GetHeap()->GetCurrentAllocator());
+      obj = AllocObjectFromCode<false, true>(dex::TypeIndex(inst->VRegB_21c()),
+                                             shadow_frame->GetMethod(),
+                                             self,
+                                             Runtime::Current()->GetHeap()->GetCurrentAllocator());
     }
   }
   if (UNLIKELY(obj == nullptr)) {
@@ -446,7 +459,7 @@
   const Instruction* inst = Instruction::At(dex_pc_ptr);
   int32_t length = shadow_frame->GetVReg(inst->VRegB_22c(inst_data));
   mirror::Object* obj = AllocArrayFromCode<false, true>(
-      inst->VRegC_22c(), length, shadow_frame->GetMethod(), self,
+      dex::TypeIndex(inst->VRegC_22c()), length, shadow_frame->GetMethod(), self,
       Runtime::Current()->GetHeap()->GetCurrentAllocator());
   if (UNLIKELY(obj == nullptr)) {
       return false;