Defer allocation of native function literals.

src/ast.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 79 matching lines @@
   V(WhileStatement)                             \
   V(ForStatement)                               \
   V(ForInStatement)                             \
   V(ForOfStatement)                             \
   V(TryCatchStatement)                          \
   V(TryFinallyStatement)                        \
   V(DebuggerStatement)
 
 #define EXPRESSION_NODE_LIST(V)                 \
   V(FunctionLiteral)                            \
-  V(SharedFunctionInfoLiteral)                  \
+  V(NativeFunctionLiteral)                      \
   V(Conditional)                                \
   V(VariableProxy)                              \
   V(Literal)                                    \
   V(RegExpLiteral)                              \
   V(ObjectLiteral)                              \
   V(ArrayLiteral)                               \
   V(Assignment)                                 \
   V(Yield)                                      \
   V(Throw)                                      \
   V(Property)                                   \
@@ skipping 2262 matching lines @@
   class IsExpression: public BitField<bool, 0, 1> {};
   class IsAnonymous: public BitField<bool, 1, 1> {};
   class Pretenure: public BitField<bool, 2, 1> {};
   class HasDuplicateParameters: public BitField<ParameterFlag, 3, 1> {};
   class IsFunction: public BitField<IsFunctionFlag, 4, 1> {};
   class IsParenthesized: public BitField<IsParenthesizedFlag, 5, 1> {};
   class IsGenerator: public BitField<IsGeneratorFlag, 6, 1> {};
 };
 
 
-class SharedFunctionInfoLiteral V8_FINAL : public Expression {
+class NativeFunctionLiteral V8_FINAL : public Expression {
  public:
-  DECLARE_NODE_TYPE(SharedFunctionInfoLiteral)
+  DECLARE_NODE_TYPE(NativeFunctionLiteral)
 
-  Handle<SharedFunctionInfo> shared_function_info() const {
-    return shared_function_info_;
-  }
+  Handle<String> name() const { return name_; }
 
  protected:
-  SharedFunctionInfoLiteral(
-      Isolate* isolate,
-      Handle<SharedFunctionInfo> shared_function_info)
-      : Expression(isolate),
-        shared_function_info_(shared_function_info) { }
+  NativeFunctionLiteral(Isolate* isolate, Handle<String> name)
+      : Expression(isolate), name_(name) { }
 
  private:
-  Handle<SharedFunctionInfo> shared_function_info_;
+  Handle<String> name_;
 };
 
 
 class ThisFunction V8_FINAL : public Expression {
  public:
   DECLARE_NODE_TYPE(ThisFunction)
 
  protected:
   explicit ThisFunction(Isolate* isolate): Expression(isolate) {}
 };
@@ skipping 820 matching lines @@
         materialized_literal_count, expected_property_count, handler_count,
         parameter_count, function_type, has_duplicate_parameters, is_function,
         is_parenthesized, is_generator);
     // Top-level literal doesn't count for the AST's properties.
     if (is_function == FunctionLiteral::kIsFunction) {
       visitor_.VisitFunctionLiteral(lit);
     }
     return lit;
   }
 
-  SharedFunctionInfoLiteral* NewSharedFunctionInfoLiteral(
-      Handle<SharedFunctionInfo> shared_function_info) {
-    SharedFunctionInfoLiteral* lit =
-        new(zone_) SharedFunctionInfoLiteral(isolate_, shared_function_info);
-    VISIT_AND_RETURN(SharedFunctionInfoLiteral, lit)
+  NativeFunctionLiteral* NewNativeFunctionLiteral(Handle<String> name) {
+    NativeFunctionLiteral* lit =
+        new(zone_) NativeFunctionLiteral(isolate_, name);
+    VISIT_AND_RETURN(NativeFunctionLiteral, lit)
   }
 
   ThisFunction* NewThisFunction() {
     ThisFunction* fun = new(zone_) ThisFunction(isolate_);
     VISIT_AND_RETURN(ThisFunction, fun)
   }
 
 #undef VISIT_AND_RETURN
 
  private:
   Isolate* isolate_;
   Zone* zone_;
   Visitor visitor_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_AST_H_