hphp/hhbbc/type-builtins.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 #ifndef incl_HHBBC_TYPE_ARITH_BUILTINS_H_
  17 #define incl_HHBBC_TYPE_ARITH_BUILTINS_H_
  18
  19 #include "hphp/hhbbc/misc.h"
  20
  21 namespace HPHP { namespace HHBBC {
  22 namespace php { struct Func; struct Class; }
  23
  24 struct Type;
  25
  26 //////////////////////////////////////////////////////////////////////
  27
  28 /*
  29  * Hardcoded information about builtin functions. Right now this just
  30  * encodes the behavior of collection methods that return $this.
  31  */
  32 bool is_collection_method_returning_this(const php::Class* cls,
  33                                          const php::Func* func);
  34
  35 /*
  36  * Given an HNI function, figure out the real return type.
  37  */
  38 Type native_function_return_type(const php::Func* func);
  39
  40 /*
  41  * Returns the type of the index-th inout value pushed by HNI function func.
  42  */
  43 Type native_function_out_type(const php::Func* func, uint32_t index);
  44
  45 //////////////////////////////////////////////////////////////////////
  46
  47 }}
  48
  49 #endif