Lolcode candidate: Both Expression and FunctionLiteral define the same accessor

src/ast.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_AST_H_
 #define V8_AST_H_
 
 #include "src/v8.h"
 
 #include "src/assembler.h"
@@ skipping 354 matching lines @@
   bool IsNullLiteral() const;
 
   // True if we can prove that the expression is the undefined literal.
   bool IsUndefinedLiteral(Isolate* isolate) const;
 
   // Expression type bounds
   Bounds bounds() const { return bounds_; }
   void set_bounds(Bounds bounds) { bounds_ = bounds; }
 
   // Whether the expression is parenthesized
-  bool is_parenthesized() const {
-    return IsParenthesizedField::decode(bit_field_);
+  bool is_single_parenthesized() const {
+    return IsSingleParenthesizedField::decode(bit_field_);
   }
   bool is_multi_parenthesized() const {
     return IsMultiParenthesizedField::decode(bit_field_);
   }
   void increase_parenthesization_level() {
-    bit_field_ =
-        IsMultiParenthesizedField::update(bit_field_, is_parenthesized());
-    bit_field_ = IsParenthesizedField::update(bit_field_, true);
+    bit_field_ = IsMultiParenthesizedField::update(bit_field_,
+                                                   is_single_parenthesized());
+    bit_field_ = IsSingleParenthesizedField::update(bit_field_, true);
   }
 
   // Type feedback information for assignments and properties.
   virtual bool IsMonomorphic() {
     UNREACHABLE();
     return false;
   }
   virtual SmallMapList* GetReceiverTypes() {
     UNREACHABLE();
     return NULL;
@@ skipping 33 matching lines @@
     DCHECK(!BailoutId(base_id_).IsNone());
     return base_id_;
   }
 
  private:
   int local_id(int n) const { return base_id() + parent_num_ids() + n; }
 
   int base_id_;
   Bounds bounds_;
   class ToBooleanTypesField : public BitField16<byte, 0, 8> {};
-  class IsParenthesizedField : public BitField16<bool, 8, 1> {};
+  class IsSingleParenthesizedField : public BitField16<bool, 8, 1> {};
   class IsMultiParenthesizedField : public BitField16<bool, 9, 1> {};
   uint16_t bit_field_;
   // Ends with 16-bit field; deriving classes in turn begin with
   // 16-bit fields for optimum packing efficiency.
 };
 
 
 class BreakableStatement : public Statement {
  public:
   enum BreakableType {
@@ skipping 2048 matching lines @@
   enum ParameterFlag {
     kNoDuplicateParameters = 0,
     kHasDuplicateParameters = 1
   };
 
   enum IsFunctionFlag {
     kGlobalOrEval,
     kIsFunction
   };
 
-  enum IsParenthesizedFlag {
-    kIsParenthesized,
-    kNotParenthesized
-  };
+  enum EagerCompileHint { kShouldEagerCompile, kShouldLazyCompile };
 
   enum ArityRestriction {
     NORMAL_ARITY,
     GETTER_ARITY,
     SETTER_ARITY
   };
 
   DECLARE_NODE_TYPE(FunctionLiteral)
 
   Handle<String> name() const { return raw_name_->string(); }
@@ skipping 69 matching lines @@
     return HasDuplicateParameters::decode(bitfield_);
   }
 
   bool is_function() { return IsFunction::decode(bitfield_) == kIsFunction; }
 
   // This is used as a heuristic on when to eagerly compile a function
   // literal. We consider the following constructs as hints that the
   // function will be called immediately:
   // - (function() { ... })();
   // - var x = function() { ... }();
-  bool is_parenthesized() {
-    return IsParenthesized::decode(bitfield_) == kIsParenthesized;
+  bool should_eager_compile() const {
+    return EagerCompileHintBit::decode(bitfield_) == kShouldEagerCompile;
   }
-  void set_parenthesized() {
-    bitfield_ = IsParenthesized::update(bitfield_, kIsParenthesized);
+  void set_should_eager_compile() {
+    bitfield_ = EagerCompileHintBit::update(bitfield_, kShouldEagerCompile);
   }
 
   FunctionKind kind() { return FunctionKindBits::decode(bitfield_); }
 
   int ast_node_count() { return ast_properties_.node_count(); }
   AstProperties::Flags* flags() { return ast_properties_.flags(); }
   void set_ast_properties(AstProperties* ast_properties) {
     ast_properties_ = *ast_properties;
   }
   const ZoneFeedbackVectorSpec* feedback_vector_spec() const {
     return ast_properties_.get_spec();
   }
   bool dont_optimize() { return dont_optimize_reason_ != kNoReason; }
   BailoutReason dont_optimize_reason() { return dont_optimize_reason_; }
   void set_dont_optimize_reason(BailoutReason reason) {
     dont_optimize_reason_ = reason;
   }
 
  protected:
   FunctionLiteral(Zone* zone, const AstRawString* name,
                   AstValueFactory* ast_value_factory, Scope* scope,
                   ZoneList<Statement*>* body, int materialized_literal_count,
                   int expected_property_count, int handler_count,
                   int parameter_count, FunctionType function_type,
                   ParameterFlag has_duplicate_parameters,
                   IsFunctionFlag is_function,
-                  IsParenthesizedFlag is_parenthesized, FunctionKind kind,
+                  EagerCompileHint eager_compile_hint, FunctionKind kind,
                   int position)
       : Expression(zone, position),
         raw_name_(name),
         scope_(scope),
         body_(body),
         raw_inferred_name_(ast_value_factory->empty_string()),
         ast_properties_(zone),
         dont_optimize_reason_(kNoReason),
         materialized_literal_count_(materialized_literal_count),
         expected_property_count_(expected_property_count),
         handler_count_(handler_count),
         parameter_count_(parameter_count),
         function_token_position_(RelocInfo::kNoPosition) {
     bitfield_ = IsExpression::encode(function_type != DECLARATION) |
                 IsAnonymous::encode(function_type == ANONYMOUS_EXPRESSION) |
                 Pretenure::encode(false) |
                 HasDuplicateParameters::encode(has_duplicate_parameters) |
                 IsFunction::encode(is_function) |
-                IsParenthesized::encode(is_parenthesized) |
+                EagerCompileHintBit::encode(eager_compile_hint) |
                 FunctionKindBits::encode(kind);
     DCHECK(IsValidFunctionKind(kind));
   }
 
  private:
   const AstRawString* raw_name_;
   Handle<String> name_;
   Handle<SharedFunctionInfo> shared_info_;
   Scope* scope_;
   ZoneList<Statement*>* body_;
   const AstString* raw_inferred_name_;
   Handle<String> inferred_name_;
   AstProperties ast_properties_;
   BailoutReason dont_optimize_reason_;
 
   int materialized_literal_count_;
   int expected_property_count_;
   int handler_count_;
   int parameter_count_;
   int function_token_position_;
 
   unsigned bitfield_;
   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 EagerCompileHintBit : public BitField<EagerCompileHint, 5, 1> {};
   class FunctionKindBits : public BitField<FunctionKind, 6, 8> {};
 };
 
 
 class ClassLiteral final : public Expression {
  public:
   typedef ObjectLiteralProperty Property;
 
   DECLARE_NODE_TYPE(ClassLiteral)
 
@@ skipping 863 matching lines @@
     return new (zone_) Throw(zone_, exception, pos);
   }
 
   FunctionLiteral* NewFunctionLiteral(
       const AstRawString* name, AstValueFactory* ast_value_factory,
       Scope* scope, ZoneList<Statement*>* body, int materialized_literal_count,
       int expected_property_count, int handler_count, int parameter_count,
       FunctionLiteral::ParameterFlag has_duplicate_parameters,
       FunctionLiteral::FunctionType function_type,
       FunctionLiteral::IsFunctionFlag is_function,
-      FunctionLiteral::IsParenthesizedFlag is_parenthesized, FunctionKind kind,
+      FunctionLiteral::EagerCompileHint eager_compile_hint, FunctionKind kind,
       int position) {
     return new (zone_) FunctionLiteral(
         zone_, name, ast_value_factory, scope, body, materialized_literal_count,
         expected_property_count, handler_count, parameter_count, function_type,
-        has_duplicate_parameters, is_function, is_parenthesized, kind,
+        has_duplicate_parameters, is_function, eager_compile_hint, kind,
         position);
   }
 
   ClassLiteral* NewClassLiteral(const AstRawString* name, Scope* scope,
                                 VariableProxy* proxy, Expression* extends,
                                 FunctionLiteral* constructor,
                                 ZoneList<ObjectLiteral::Property*>* properties,
                                 int start_position, int end_position) {
     return new (zone_)
         ClassLiteral(zone_, name, scope, proxy, extends, constructor,
@@ skipping 16 matching lines @@
 
  private:
   Zone* zone_;
   AstValueFactory* ast_value_factory_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_AST_H_