Traverse inlined frames lazily when printing the stacktrace.

runtime/vm/raw_object.h

 // 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.
 
 #ifndef VM_RAW_OBJECT_H_
 #define VM_RAW_OBJECT_H_
 
 #include "platform/assert.h"
 #include "vm/globals.h"
 #include "vm/token.h"
@@ skipping 1455 matching lines @@
 
 
 // VM type for capturing stacktraces when exceptions are thrown,
 // Currently we don't have any interface that this object is supposed
 // to implement so we just support the 'toString' method which
 // converts the stack trace into a string.
 class RawStacktrace : public RawInstance {
   RAW_HEAP_OBJECT_IMPLEMENTATION(Stacktrace);
 
   RawObject** from() {
-    return reinterpret_cast<RawObject**>(&ptr()->function_array_);
+    return reinterpret_cast<RawObject**>(&ptr()->code_array_);
   }
-  RawArray* function_array_;  // Function for each frame in the stack trace.
   RawArray* code_array_;  // Code object for each frame in the stack trace.
   RawArray* pc_offset_array_;  // Offset of PC for each frame.
-  RawArray* catch_func_array_;  // Func for each frame in catch stack trace.
   RawArray* catch_code_array_;  // Code for each frame in catch stack trace.
   RawArray* catch_pc_offset_array_;  // Offset of PC for each catch stack frame.
   RawObject** to() {
     return reinterpret_cast<RawObject**>(&ptr()->catch_pc_offset_array_);
   }
+  // False for pre-allocated stack trace (used in OOM and Stack overflow).
+  bool expand_inlined_;
 };
 
 
 // VM type for capturing JS regular expressions.
 class RawJSRegExp : public RawInstance {
   RAW_HEAP_OBJECT_IMPLEMENTATION(JSRegExp);
 
   RawObject** from() {
     return reinterpret_cast<RawObject**>(&ptr()->data_length_);
   }
@@ skipping 215 matching lines @@
   // Make sure this is updated when new TypedData types are added.
   ASSERT(kTypedDataInt8ArrayViewCid == kTypedDataInt8ArrayCid + 12);
   ASSERT(kExternalTypedDataInt8ArrayCid == kTypedDataInt8ArrayViewCid + 13);
   ASSERT(kNullCid == kExternalTypedDataInt8ArrayCid + 12);
   return (kNullCid - kTypedDataInt8ArrayCid);
 }
 
 }  // namespace dart
 
 #endif  // VM_RAW_OBJECT_H_