Include metadata in AOT to expand inline frames in stack traces and provide line numbers.

runtime/vm/precompiler.h

 // Copyright (c) 2015, 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 RUNTIME_VM_PRECOMPILER_H_
 #define RUNTIME_VM_PRECOMPILER_H_
 
 #include "vm/allocation.h"
 #include "vm/hash_map.h"
 #include "vm/hash_table.h"
@@ skipping 69 matching lines @@
   static inline intptr_t Hashcode(Key key) { return key->PcOffset(); }
 
   static inline bool IsKeyEqual(Pair pair, Key key) {
     return pair->Equals(*key);
   }
 };
 
 typedef DirectChainedHashMap<StackMapKeyValueTrait> StackMapSet;
 
 
+class CodeSourceMapKeyValueTrait {
+ public:
+  // Typedefs needed for the DirectChainedHashMap template.
+  typedef const CodeSourceMap* Key;
+  typedef const CodeSourceMap* Value;
+  typedef const CodeSourceMap* Pair;
+
+  static Key KeyOf(Pair kv) { return kv; }
+
+  static Value ValueOf(Pair kv) { return kv; }
+
+  static inline intptr_t Hashcode(Key key) { return key->Length(); }
+
+  static inline bool IsKeyEqual(Pair pair, Key key) {
+    return pair->Equals(*key);
+  }
+};
+
+typedef DirectChainedHashMap<CodeSourceMapKeyValueTrait> CodeSourceMapSet;
+
+
 class ArrayKeyValueTrait {
  public:
   // Typedefs needed for the DirectChainedHashMap template.
   typedef const Array* Key;
   typedef const Array* Value;
   typedef const Array* Pair;
 
   static Key KeyOf(Pair kv) { return kv; }
 
   static Value ValueOf(Pair kv) { return kv; }
@@ skipping 354 matching lines @@
   void DropTypes();
   void DropTypeArguments();
   void DropScriptData();
   void DropClasses();
   void DropLibraries();
 
   void BindStaticCalls();
   void SwitchICCalls();
   void ShareMegamorphicBuckets();
   void DedupStackMaps();
+  void DedupCodeSourceMaps();
   void DedupLists();
   void DedupInstructions();
   void ResetPrecompilerState();
 
   void CollectDynamicFunctionNames();
 
   void PrecompileStaticInitializers();
   void PrecompileConstructors();
 
   void FinalizeAllClasses();
@@ skipping 69 matching lines @@
   }
   static RawObject* NewKey(const Function& function) { return function.raw(); }
 };
 
 typedef UnorderedHashSet<FunctionsTraits> UniqueFunctionsSet;
 
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_PRECOMPILER_H_