Change the inlining context from an enum to a class.

runtime/vm/flow_graph.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_H_
 #define VM_FLOW_GRAPH_H_
 
 #include "vm/growable_array.h"
 #include "vm/parser.h"
 
 namespace dart {
 
 class BlockEntryInstr;
 class ConstantInstr;
 class Definition;
 class FlowGraphBuilder;
 class GraphEntryInstr;
 class PhiInstr;
 class ReturnInstr;
+class ValueInliningContext;
 
 class BlockIterator : public ValueObject {
  public:
   explicit BlockIterator(const GrowableArray<BlockEntryInstr*>& block_order)
       : block_order_(block_order), current_(0) { }
 
   void Advance() {
     ASSERT(!Done());
     current_++;
   }
@@ skipping 61 matching lines @@
   }
 
   intptr_t max_block_id() const {
     return max_block_id_;
   }
 
   GraphEntryInstr* graph_entry() const {
     return graph_entry_;
   }
 
-  ZoneGrowableArray<ReturnInstr*>* exits() const { return exits_; }
-  void set_exits(ZoneGrowableArray<ReturnInstr*>* exits) { exits_ = exits; }
-
   intptr_t alloc_ssa_temp_index() { return current_ssa_temp_index_++; }
 
   intptr_t InstructionCount() const;
 
   ConstantInstr* AddConstantToInitialDefinitions(const Object& object);
   void AddToInitialDefinitions(Definition* defn);
 
   // Operations on the flow graph.
   void ComputeSSA(intptr_t next_virtual_register_number,
                   GrowableArray<Definition*>* inlining_parameters);
   void ComputeUseLists();
 
   // Finds natural loops in the flow graph and attaches a list of loop
   // body blocks for each loop header.
   void ComputeLoops(GrowableArray<BlockEntryInstr*>* loop_headers);
 
-  void InlineCall(Definition* call, FlowGraph* callee_graph);
+  void InlineCall(Definition* call,
+                  FlowGraph* callee_graph,
+                  ValueInliningContext* inlining_context);
   void RepairGraphAfterInlining();
 
   // TODO(zerny): Once the SSA is feature complete this should be removed.
   void Bailout(const char* reason) const;
 
 #ifdef DEBUG
   // Validation methods for debugging.
   bool ResetUseLists();
   bool ValidateUseLists();
 #endif  // DEBUG
@@ skipping 39 matching lines @@
 
   // Flow graph fields.
   const ParsedFunction& parsed_function_;
   const intptr_t num_copied_params_;
   const intptr_t num_non_copied_params_;
   const intptr_t num_stack_locals_;
   GraphEntryInstr* graph_entry_;
   GrowableArray<BlockEntryInstr*> preorder_;
   GrowableArray<BlockEntryInstr*> postorder_;
   GrowableArray<BlockEntryInstr*> reverse_postorder_;
-  ZoneGrowableArray<ReturnInstr*>* exits_;
   bool invalid_dominator_tree_;
 };
 
 }  // namespace dart
 
 #endif  // VM_FLOW_GRAPH_H_