hphp/hhbbc/class-util.cpp

   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 #include "hphp/hhbbc/class-util.h"
  17
  18 #include "hphp/runtime/base/collections.h"
  19 #include "hphp/hhbbc/representation.h"
  20 #include "hphp/hhbbc/index.h"
  21 #include "hphp/hhbbc/type-system.h"
  22
  23 namespace HPHP { namespace HHBBC {
  24
  25 //////////////////////////////////////////////////////////////////////
  26
  27 namespace {
  28
  29 const StaticString
  30   s_SimpleXMLElement("SimpleXMLElement"),
  31   s_Closure("Closure"),
  32   s_86pinit("86pinit"),
  33   s_86sinit("86sinit"),
  34   s_MockClass("__MockClass");
  35 }
  36
  37 //////////////////////////////////////////////////////////////////////
  38
  39 bool has_magic_bool_conversion(SString clsName) {
  40   return
  41     collections::isTypeName(clsName) ||
  42     clsName->isame(s_SimpleXMLElement.get());
  43 }
  44
  45 bool is_collection(res::Class cls) {
  46   auto const name = cls.name();
  47   return collections::isTypeName(name);
  48 }
  49
  50 borrowed_ptr<php::Func> find_method(borrowed_ptr<const php::Class> cls,
  51                                     SString name) {
  52   for (auto& m : cls->methods) {
  53     if (m->name->isame(name)) {
  54       return borrow(m);
  55     }
  56   }
  57   return nullptr;
  58 }
  59
  60 bool is_special_method_name(SString name) {
  61   auto const p = name->data();
  62   return p && p[0] == '8' && p[1] == '6';
  63 }
  64
  65 bool is_mock_class(borrowed_ptr<const php::Class> cls) {
  66   return cls->userAttributes.count(s_MockClass.get());
  67 }
  68
  69 bool is_closure(const php::Class& c) {
  70   return c.parentName && c.parentName->isame(s_Closure.get());
  71 }
  72
  73 //////////////////////////////////////////////////////////////////////
  74
  75 }}