hphp/compiler/expression/modifier_expression.h

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-present Facebook, Inc. (http://www.facebook.com)  |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15 */
  16
  17 #ifndef incl_HPHP_MODIFIER_EXPRESSION_H_
  18 #define incl_HPHP_MODIFIER_EXPRESSION_H_
  19
  20 #include "hphp/compiler/expression/expression.h"
  21 #include <vector>
  22
  23 namespace HPHP {
  24 ///////////////////////////////////////////////////////////////////////////////
  25
  26 DECLARE_BOOST_TYPES(ModifierExpression);
  27
  28 struct ModifierExpression : Expression {
  29   explicit ModifierExpression(EXPRESSION_CONSTRUCTOR_PARAMETERS);
  30
  31   DECLARE_BASE_EXPRESSION_VIRTUAL_FUNCTIONS;
  32
  33   void add(int modifier);
  34   void remove(int modifier);
  35   int getCount() const { return m_modifiers.size();}
  36   int operator[](int index);
  37
  38   bool hasDuplicates() const;
  39
  40   /**
  41    * Whether the modifiers combine to mean public, including the implicit
  42    * public access that occurs when none of public|private|protected are
  43    * supplied.
  44    */
  45   bool isPublic() const;
  46   /**
  47    * Use isPublic unless you care about the difference between no-modifiers
  48    * implicit public and public-keyword-appears explicitly public.
  49    */
  50   bool isExplicitlyPublic() const;
  51   bool isProtected() const;
  52   bool isPrivate() const;
  53   bool isStatic() const;
  54   bool isAbstract() const;
  55   bool isFinal() const;
  56   bool isAsync() const;
  57
  58   int getLocalEffects() const override { return NoEffect; }
  59
  60   bool validForFunction() const;
  61   bool validForClosure() const;
  62   bool validForTraitAliasRule() const;
  63
  64   void setHasPrivacy(bool f) { m_hasPrivacy = f; }
  65
  66 private:
  67   std::vector<int> m_modifiers;
  68   bool m_hasPrivacy;
  69
  70   bool hasModifier(int modifier) const;
  71 };
  72
  73 ///////////////////////////////////////////////////////////////////////////////
  74 }
  75
  76 #endif // incl_HPHP_MODIFIER_EXPRESSION_H_