Add support for javascript incompatibility warnings.

runtime/vm/flow_graph_builder.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_FLOW_GRAPH_BUILDER_H_
 #define VM_FLOW_GRAPH_BUILDER_H_
 
 #include "platform/assert.h"
 #include "platform/globals.h"
 #include "vm/allocation.h"
@@ skipping 133 matching lines @@
                    const Array& ic_data_array,
                    InlineExitCollector* exit_collector,
                    intptr_t osr_id,
                    bool is_optimizing);
 
   FlowGraph* BuildGraph();
 
   ParsedFunction* parsed_function() const { return parsed_function_; }
   const Array& ic_data_array() const { return ic_data_array_; }
 
+  void WarnOnJSIntegralNumTypeTest(AstNode* node,
+                                   const AbstractType& type) const;
+
+  void Warning(intptr_t token_pos, const char* format, ...) const
+      PRINTF_ATTRIBUTE(3, 4);
+
   void Bailout(const char* reason) const;
 
   intptr_t AllocateBlockId() { return ++last_used_block_id_; }
   void SetInitialBlockId(intptr_t id) { last_used_block_id_ = id; }
 
   intptr_t context_level() const;
 
   void IncrementLoopDepth() { ++loop_depth_; }
   void DecrementLoopDepth() { --loop_depth_; }
   intptr_t loop_depth() const { return loop_depth_; }
@@ skipping 114 matching lines @@
   FOR_EACH_NODE(DECLARE_VISIT)
 #undef DECLARE_VISIT
 
   FlowGraphBuilder* owner() const { return owner_; }
   Instruction* entry() const { return entry_; }
   Instruction* exit() const { return exit_; }
 
   bool is_empty() const { return entry_ == NULL; }
   bool is_open() const { return is_empty() || exit_ != NULL; }
 
-  void Bailout(const char* reason);
-  void InlineBailout(const char* reason);
+  void Bailout(const char* reason) const;
+  void InlineBailout(const char* reason) const;
 
   // Append a graph fragment to this graph.  Assumes this graph is open.
   void Append(const EffectGraphVisitor& other_fragment);
   // Append a definition that can have uses.  Assumes this graph is open.
   Value* Bind(Definition* definition);
   // Append a computation with no uses.  Assumes this graph is open.
   void Do(Definition* definition);
   // Append a single (non-Definition, non-Entry) instruction.  Assumes this
   // graph is open.
   void AddInstruction(Instruction* instruction);
@@ skipping 270 matching lines @@
   // Output parameters.
   GrowableArray<TargetEntryInstr**> true_successor_addresses_;
   GrowableArray<TargetEntryInstr**> false_successor_addresses_;
 
   intptr_t condition_token_pos_;
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_BUILDER_H_