Unify reading of deoptimization information.

src/runtime/runtime-function.cc

 // Copyright 2014 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"
 
 #include "src/accessors.h"
 #include "src/arguments.h"
 #include "src/compiler.h"
 #include "src/cpu-profiler.h"
@@ skipping 319 matching lines @@
 static SmartArrayPointer<Handle<Object> > GetCallerArguments(Isolate* isolate,
                                                              int prefix_argc,
                                                              int* total_argc) {
   // Find frame containing arguments passed to the caller.
   JavaScriptFrameIterator it(isolate);
   JavaScriptFrame* frame = it.frame();
   List<JSFunction*> functions(2);
   frame->GetFunctions(&functions);
   if (functions.length() > 1) {
     int inlined_jsframe_index = functions.length() - 1;
-    JSFunction* inlined_function = functions[inlined_jsframe_index];
-    SlotRefValueBuilder slot_refs(
-        frame, inlined_jsframe_index,
-        inlined_function->shared()->internal_formal_parameter_count());
+    TranslatedState translated_values(frame);
+    translated_values.Prepare(false, frame->fp());
 
-    int args_count = slot_refs.args_length();
+    int argument_count = 0;
+    TranslatedFrame* translated_frame =
+        translated_values.GetArgumentsInfoFromJSFrameIndex(
+            inlined_jsframe_index, &argument_count);
+    TranslatedFrame::ValueIterator iter = translated_frame->begin();
 
-    *total_argc = prefix_argc + args_count;
+    // Skip the receiver.
+    iter++;
+    argument_count--;
+
+    *total_argc = prefix_argc + argument_count;
     SmartArrayPointer<Handle<Object> > param_data(
         NewArray<Handle<Object> >(*total_argc));
-    slot_refs.Prepare(isolate);
-    for (int i = 0; i < args_count; i++) {
-      Handle<Object> val = slot_refs.GetNext(isolate, 0);
-      param_data[prefix_argc + i] = val;
+    bool should_deoptimize = false;
+    for (int i = 0; i < argument_count; i++) {
+      should_deoptimize = should_deoptimize || iter->IsMaterializedObject();
+      Handle<Object> value = iter->GetValue();
+      param_data[prefix_argc + i] = value;
+      iter++;
     }
-    slot_refs.Finish(isolate);
+
+    if (should_deoptimize) {
+      translated_values.StoreMaterializedValuesAndDeopt();
+    }
 
     return param_data;
   } else {
     it.AdvanceToArgumentsFrame();
     frame = it.frame();
     int args_count = frame->ComputeParametersCount();
 
     *total_argc = prefix_argc + args_count;
     SmartArrayPointer<Handle<Object> > param_data(
         NewArray<Handle<Object> >(*total_argc));
@@ skipping 243 matching lines @@
 
 
 RUNTIME_FUNCTION(Runtime_ThrowStrongModeTooFewArguments) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 0);
   THROW_NEW_ERROR_RETURN_FAILURE(isolate,
                                  NewTypeError(MessageTemplate::kStrongArity));
 }
 }  // namespace internal
 }  // namespace v8