hphp/compiler/builtin_symbols.h

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-2014 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_BUILTIN_SYMBOLS_H_
  18 #define incl_HPHP_BUILTIN_SYMBOLS_H_
  19
  20 #include "hphp/compiler/hphp.h"
  21 #include <set>
  22 #include "hphp/util/string-bag.h"
  23 #include "hphp/runtime/base/class-info.h"
  24
  25 namespace HPHP {
  26 ///////////////////////////////////////////////////////////////////////////////
  27
  28 DECLARE_EXTENDED_BOOST_TYPES(Type);
  29 DECLARE_BOOST_TYPES(AnalysisResult);
  30 DECLARE_EXTENDED_BOOST_TYPES(FunctionScope);
  31 DECLARE_EXTENDED_BOOST_TYPES(ClassScope);
  32 DECLARE_BOOST_TYPES(VariableTable);
  33 DECLARE_BOOST_TYPES(ConstantTable);
  34
  35 class BuiltinSymbols {
  36 public:
  37   static bool Loaded;
  38   static AnalysisResultPtr s_systemAr;
  39
  40   static bool Load(AnalysisResultPtr ar);
  41
  42   static void LoadFunctions(AnalysisResultPtr ar,
  43                             StringToFunctionScopePtrMap &functions);
  44   static void LoadClasses(AnalysisResultPtr ar,
  45                           StringToClassScopePtrMap &classes);
  46   static void LoadVariables(AnalysisResultPtr ar,
  47                             VariableTablePtr variables);
  48   static void LoadConstants(AnalysisResultPtr ar,
  49                             ConstantTablePtr constants);
  50
  51   /**
  52    * Testing whether a variable is a PHP superglobal.
  53    */
  54   static bool IsSuperGlobal(const std::string &name);
  55   static TypePtr GetSuperGlobalType(const std::string &name);
  56
  57   static bool IsDeclaredDynamic(const std::string& name);
  58   static void LoadSuperGlobals();
  59
  60   static const char *const GlobalNames[];
  61   static int NumGlobalNames();
  62 private:
  63   static StringBag s_strings;
  64   static const char *SystemClasses[];
  65
  66   static StringToTypePtrMap s_superGlobals;
  67
  68   static std::set<std::string> s_declaredDynamic;
  69
  70   static FunctionScopePtr ImportFunctionScopePtr(AnalysisResultPtr ar,
  71                                                  ClassInfo *cls,
  72                                                  ClassInfo::MethodInfo *method);
  73   static void ImportExtFunctions(AnalysisResultPtr ar,
  74                                  ClassInfo *cls);
  75   static void ImportExtMethods(AnalysisResultPtr ar,
  76                                FunctionScopePtrVec &vec,
  77                                ClassInfo *cls);
  78   static void ImportExtProperties(AnalysisResultPtr ar,
  79                                   VariableTablePtr dest,
  80                                   ClassInfo *cls);
  81   static void ImportExtConstants(AnalysisResultPtr ar,
  82                                  ConstantTablePtr dest,
  83                                  ClassInfo *cls);
  84   static void ImportNativeConstants(AnalysisResultPtr ar,
  85                                     ConstantTablePtr dest);
  86   static ClassScopePtr ImportClassScopePtr(AnalysisResultPtr ar,
  87                                            ClassInfo *cls);
  88   static void ImportExtClasses(AnalysisResultPtr ar);
  89 };
  90
  91 ///////////////////////////////////////////////////////////////////////////////
  92 }
  93 #endif // incl_HPHP_BUILTIN_SYMBOLS_H_