hphp/hhvm/global_variables.cpp

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010- 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 #include "hphp/runtime/base/hphp.h"
  18
  19 namespace HPHP {
  20
  21 //////////////////////////////////////////////////////////////////////
  22
  23 static __thread GlobalVariables* g_variables;
  24
  25 void init_global_variables() {
  26   always_assert(false);
  27 }
  28
  29 GlobalVariables* get_global_variables() {
  30   assert(g_variables);
  31   return g_variables;
  32 }
  33
  34 void free_global_variables() {
  35   g_variables = nullptr;
  36 }
  37
  38 void free_global_variables_after_sweep() {
  39   g_variables = nullptr;
  40 }
  41
  42 SystemGlobals*  get_system_globals() { return get_global_variables(); }
  43
  44 GlobalNameValueTableWrapper::GlobalNameValueTableWrapper(
  45   NameValueTable* tab) : NameValueTableWrapper(tab) {
  46
  47   VarNR arr(HphpArray::GetStaticEmptyArray());
  48 #define X(s,v)                                          \
  49   tab->migrateSet(StringData::GetStaticString(#s),      \
  50                   gvm_##s.asTypedValue());              \
  51   gvm_##s.v;
  52
  53   X(argc,                 setNull());
  54   X(argv,                 setNull());
  55   X(_SERVER,              assignVal(arr));
  56   X(_GET,                 assignVal(arr));
  57   X(_POST,                assignVal(arr));
  58   X(_COOKIE,              assignVal(arr));
  59   X(_FILES,               assignVal(arr));
  60   X(_ENV,                 assignVal(arr));
  61   X(_REQUEST,             assignVal(arr));
  62   X(_SESSION,             assignVal(arr));
  63   X(HTTP_RAW_POST_DATA,   setNull());
  64   X(http_response_header, setNull());
  65 #undef X
  66
  67   ThreadInfo::s_threadInfo->m_globals = g_variables = this;
  68 }
  69
  70 //////////////////////////////////////////////////////////////////////
  71
  72 }
  73