Zonify types in compiler frontend

src/full-codegen.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 34 matching lines @@
 
 // Forward declarations.
 class JumpPatchSite;
 
 // AST node visitor which can tell whether a given statement will be breakable
 // when the code is compiled by the full compiler in the debugger. This means
 // that there will be an IC (load/store/call) in the code generated for the
 // debugger to piggybag on.
 class BreakableStatementChecker: public AstVisitor {
  public:
-  explicit BreakableStatementChecker(Isolate* isolate) : is_breakable_(false) {
-    InitializeAstVisitor(isolate);
+  explicit BreakableStatementChecker(Zone* zone) : is_breakable_(false) {
+    InitializeAstVisitor(zone);
   }
 
   void Check(Statement* stmt);
   void Check(Expression* stmt);
 
   bool is_breakable() { return is_breakable_; }
 
  private:
   // AST node visit functions.
 #define DECLARE_VISIT(type) virtual void Visit##type(type* node);
@@ skipping 25 matching lines @@
         loop_depth_(0),
         globals_(NULL),
         context_(NULL),
         bailout_entries_(info->HasDeoptimizationSupport()
                          ? info->function()->ast_node_count() : 0,
                          info->zone()),
         back_edges_(2, info->zone()),
         type_feedback_cells_(info->HasDeoptimizationSupport()
                              ? info->function()->ast_node_count() : 0,
                              info->zone()),
-        ic_total_count_(0),
-        zone_(info->zone()) {
+        ic_total_count_(0) {
     Initialize();
   }
 
   void Initialize();
 
   static bool MakeCode(CompilationInfo* info);
 
   // Encode state and pc-offset as a BitField<type, start, size>.
   // Only use 30 bits because we encode the result as a smi.
   class StateField : public BitField<State, 0, 1> { };
   class PcField    : public BitField<unsigned, 1, 30-1> { };
 
   static const char* State2String(State state) {
     switch (state) {
       case NO_REGISTERS: return "NO_REGISTERS";
       case TOS_REG: return "TOS_REG";
     }
     UNREACHABLE();
     return NULL;
   }
 
-  Zone* zone() const { return zone_; }
-
   static const int kMaxBackEdgeWeight = 127;
 
   // Platform-specific code size multiplier.
 #if V8_TARGET_ARCH_IA32
   static const int kCodeSizeMultiplier = 100;
 #elif V8_TARGET_ARCH_X64
   static const int kCodeSizeMultiplier = 162;
 #elif V8_TARGET_ARCH_ARM
   static const int kCodeSizeMultiplier = 142;
 #elif V8_TARGET_ARCH_MIPS
@@ skipping 701 matching lines @@
   int module_index_;
   const ExpressionContext* context_;
   ZoneList<BailoutEntry> bailout_entries_;
   GrowableBitVector prepared_bailout_ids_;
   ZoneList<BackEdgeEntry> back_edges_;
   ZoneList<TypeFeedbackCellEntry> type_feedback_cells_;
   int ic_total_count_;
   Handle<FixedArray> handler_table_;
   Handle<Cell> profiling_counter_;
   bool generate_debug_code_;
-  Zone* zone_;
 
   friend class NestedStatement;
 
   DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
   DISALLOW_COPY_AND_ASSIGN(FullCodeGenerator);
 };
 
 
 // A map from property names to getter/setter pairs allocated in the zone.
 class AccessorTable: public TemplateHashMap<Literal,
@@ skipping 100 matching lines @@
 
   Address start_;
   Address instruction_start_;
   uint32_t length_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FULL_CODEGEN_H_