Externalize deoptimization reasons.

src/hydrogen.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_HYDROGEN_H_
 #define V8_HYDROGEN_H_
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
@@ skipping 1457 matching lines @@
 
   HLoadNamedField* AddLoadArrayLength(HValue *object,
                                       ElementsKind kind,
                                       HValue *dependency = NULL);
 
   HValue* AddLoadJSBuiltin(Builtins::JavaScript builtin);
 
   HValue* EnforceNumberType(HValue* number, Type* expected);
   HValue* TruncateToNumber(HValue* value, Type** expected);
 
-  void FinishExitWithHardDeoptimization(const char* reason);
+  void FinishExitWithHardDeoptimization(Deoptimizer::DeoptReason reason);
 
   void AddIncrementCounter(StatsCounter* counter);
 
   class IfBuilder FINAL {
    public:
     // If using this constructor, Initialize() must be called explicitly!
     IfBuilder();
 
     explicit IfBuilder(HGraphBuilder* builder);
     IfBuilder(HGraphBuilder* builder,
@@ skipping 127 matching lines @@
     //   if_finally.Else();
     //   // continues after else code of if_whatever or if_something.
     //   ...
     //   if_finally.End();
     void JoinContinuation(HIfContinuation* continuation);
 
     void Then();
     void Else();
     void End();
 
-    void Deopt(const char* reason);
-    void ThenDeopt(const char* reason) {
+    void Deopt(Deoptimizer::DeoptReason reason);
+    void ThenDeopt(Deoptimizer::DeoptReason reason) {
       Then();
       Deopt(reason);
     }
-    void ElseDeopt(const char* reason) {
+    void ElseDeopt(Deoptimizer::DeoptReason reason) {
       Else();
       Deopt(reason);
     }
 
     void Return(HValue* value);
 
    private:
     void InitializeDontCreateBlocks(HGraphBuilder* builder);
 
     HControlInstruction* AddCompare(HControlInstruction* compare);
@@ skipping 289 matching lines @@
 
   CompilationInfo* info_;
   HGraph* graph_;
   HBasicBlock* current_block_;
   Scope* scope_;
   HSourcePosition position_;
   int start_position_;
 };
 
 
-template<>
+template <>
 inline HDeoptimize* HGraphBuilder::Add<HDeoptimize>(
-    const char* reason, Deoptimizer::BailoutType type) {
+    Deoptimizer::DeoptReason reason, Deoptimizer::BailoutType type) {
   if (type == Deoptimizer::SOFT) {
     isolate()->counters()->soft_deopts_requested()->Increment();
     if (FLAG_always_opt) return NULL;
   }
   if (current_block()->IsDeoptimizing()) return NULL;
   HBasicBlock* after_deopt_block = CreateBasicBlock(
       current_block()->last_environment());
   HDeoptimize* instr = New<HDeoptimize>(reason, type, after_deopt_block);
   if (type == Deoptimizer::SOFT) {
     isolate()->counters()->soft_deopts_inserted()->Increment();
   }
   FinishCurrentBlock(instr);
   set_current_block(after_deopt_block);
   return instr;
 }
 
 
-template<>
+template <>
 inline HInstruction* HGraphBuilder::AddUncasted<HDeoptimize>(
-    const char* reason, Deoptimizer::BailoutType type) {
+    Deoptimizer::DeoptReason reason, Deoptimizer::BailoutType type) {
   return Add<HDeoptimize>(reason, type);
 }
 
 
 template<>
 inline HSimulate* HGraphBuilder::Add<HSimulate>(
     BailoutId id,
     RemovableSimulate removable) {
   HSimulate* instr = current_block()->CreateSimulate(id, removable);
   AddInstruction(instr);
@@ skipping 975 matching lines @@
   }
 
  private:
   HGraphBuilder* builder_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_