Include only stuff you need, part 9: variables.h

src/ast/variables.h

 // Copyright 2011 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_VARIABLES_H_
 #define V8_AST_VARIABLES_H_
 
 #include "src/ast/ast-value-factory.h"
+#include "src/globals.h"
 #include "src/zone.h"
 
 namespace v8 {
 namespace internal {
 
 // The AST refers to variables via VariableProxies - placeholders for the actual
 // variables. Variables themselves are never directly referred to from the AST,
 // they are maintained by scopes, and referred to from VariableProxies and Slots
 // after binding and variable allocation.
 class Variable final : public ZoneObject {
  public:
-  enum Kind : uint8_t {
-    NORMAL,
-    FUNCTION,
-    THIS,
-    ARGUMENTS,
-    SLOPPY_FUNCTION_NAME,
-    kLastKind = SLOPPY_FUNCTION_NAME
-  };
-
-  Variable(Scope* scope, const AstRawString* name, VariableMode mode, Kind kind,
-           InitializationFlag initialization_flag,
+  Variable(Scope* scope, const AstRawString* name, VariableMode mode,
+           VariableKind kind, InitializationFlag initialization_flag,
            MaybeAssignedFlag maybe_assigned_flag = kNotAssigned);
 
-  // Printing support
-  static const char* Mode2String(VariableMode mode);
-
   // The source code for an eval() call may refer to a variable that is
   // in an outer scope about which we don't know anything (it may not
   // be the script scope). scope() is NULL in that case. Currently the
   // scope is only used to follow the context chain length.
   Scope* scope() const { return scope_; }
 
   // This is for adjusting the scope of temporaries used when desugaring
   // parameter initializers.
   void set_scope(Scope* scope) { scope_ = scope; }
 
@@ skipping 31 matching lines @@
   bool IsGlobalObjectProperty() const;
   bool IsStaticGlobalObjectProperty() const;
 
   bool is_dynamic() const { return IsDynamicVariableMode(mode()); }
   bool binding_needs_init() const {
     DCHECK(initialization_flag() != kNeedsInitialization ||
            IsLexicalVariableMode(mode()));
     return initialization_flag() == kNeedsInitialization;
   }
   bool throw_on_const_assignment(LanguageMode language_mode) const {
-    return kind() != SLOPPY_FUNCTION_NAME || is_strict(language_mode);
+    return kind() != SLOPPY_FUNCTION_NAME_VARIABLE || is_strict(language_mode);
   }
 
-  bool is_function() const { return kind() == FUNCTION; }
-  bool is_this() const { return kind() == THIS; }
-  bool is_arguments() const { return kind() == ARGUMENTS; }
+  bool is_function() const { return kind() == FUNCTION_VARIABLE; }
+  bool is_this() const { return kind() == THIS_VARIABLE; }
+  bool is_arguments() const { return kind() == ARGUMENTS_VARIABLE; }
   bool is_sloppy_function_name() const {
-    return kind() == SLOPPY_FUNCTION_NAME;
+    return kind() == SLOPPY_FUNCTION_NAME_VARIABLE;
   }
 
   Variable* local_if_not_shadowed() const {
     DCHECK(mode() == DYNAMIC_LOCAL && local_if_not_shadowed_ != NULL);
     return local_if_not_shadowed_;
   }
 
   void set_local_if_not_shadowed(Variable* local) {
     local_if_not_shadowed_ = local;
   }
 
   VariableLocation location() const {
     return LocationField::decode(bit_field_);
   }
-  Kind kind() const { return KindField::decode(bit_field_); }
+  VariableKind kind() const { return VariableKindField::decode(bit_field_); }
   InitializationFlag initialization_flag() const {
     return InitializationFlagField::decode(bit_field_);
   }
 
   int index() const { return index_; }
 
   void AllocateTo(VariableLocation location, int index) {
     DCHECK(IsUnallocated() ||
            (this->location() == location && this->index() == index));
     bit_field_ = LocationField::update(bit_field_, location);
@@ skipping 13 matching lines @@
   // If this field is set, this variable references the stored locally bound
   // variable, but it might be shadowed by variable bindings introduced by
   // sloppy 'eval' calls between the reference scope (inclusive) and the
   // binding scope (exclusive).
   Variable* local_if_not_shadowed_;
   int index_;
   int initializer_position_;
   uint16_t bit_field_;
 
   class VariableModeField : public BitField16<VariableMode, 0, 3> {};
-  class KindField : public BitField16<Kind, VariableModeField::kNext, 3> {};
+  class VariableKindField
+      : public BitField16<VariableKind, VariableModeField::kNext, 3> {};
   class LocationField
-      : public BitField16<VariableLocation, KindField::kNext, 3> {};
+      : public BitField16<VariableLocation, VariableKindField::kNext, 3> {};
   class ForceContextAllocationField
       : public BitField16<bool, LocationField::kNext, 1> {};
   class IsUsedField
       : public BitField16<bool, ForceContextAllocationField::kNext, 1> {};
   class InitializationFlagField
       : public BitField16<InitializationFlag, IsUsedField::kNext, 2> {};
   class MaybeAssignedFlagField
       : public BitField16<MaybeAssignedFlag, InitializationFlagField::kNext,
                           2> {};
 };
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_AST_VARIABLES_H_