Sampling profiler

runtime/vm/object.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/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 7293 matching lines @@
 
 RawObject* Library::GetMetadata(const Object& obj) const {
   if (!obj.IsClass() && !obj.IsField() && !obj.IsFunction() &&
       !obj.IsLibrary() && !obj.IsTypeParameter()) {
     return Object::null();
   }
   const String& metaname = String::Handle(MakeMetadataName(obj));
   Field& field = Field::Handle(GetMetadataField(metaname));
   if (field.IsNull()) {
     // There is no metadata for this object.
-    return Object::empty_array().raw();;
+    return Object::empty_array().raw();
   }
   Object& metadata = Object::Handle();
   metadata = field.value();
   if (field.value() == Object::empty_array().raw()) {
     metadata = Parser::ParseMetadata(Class::Handle(field.owner()),
                                      field.token_pos());
     if (metadata.IsArray()) {
       ASSERT(Array::Cast(metadata).raw() != Object::empty_array().raw());
       field.set_value(Array::Cast(metadata));
     }
@@ skipping 2265 matching lines @@
 bool Code::FindRawCodeVisitor::FindObject(RawObject* obj) {
   return RawInstructions::ContainsPC(obj, pc_);
 }
 
 
 RawCode* Code::LookupCode(uword pc) {
   Isolate* isolate = Isolate::Current();
   NoGCScope no_gc;
   FindRawCodeVisitor visitor(pc);
   RawInstructions* instr;
+  if (isolate->heap() == NULL) {
+    return Code::null();
+  }
   instr = isolate->heap()->FindObjectInCodeSpace(&visitor);
   if (instr != Instructions::null()) {
     return instr->ptr()->code_;
   }
   return Code::null();
 }
 
 
 intptr_t Code::GetTokenIndexOfPC(uword pc) const {
   intptr_t token_pos = -1;
@@ skipping 6306 matching lines @@
   return "_MirrorReference";
 }
 
 
 void MirrorReference::PrintToJSONStream(JSONStream* stream, bool ref) const {
   JSONObject jsobj(stream);
 }
 
 
 }  // namespace dart