Context.hpp

   1 /* Cycript - Inlining/Optimizing JavaScript Compiler
   2  * Copyright (C) 2009  Jay Freeman (saurik)
   3 */
   4
   5 /* Modified BSD License {{{ */
   6 /*
   7  *        Redistribution and use in source and binary
   8  * forms, with or without modification, are permitted
   9  * provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the
  12  *    above copyright notice, this list of conditions
  13  *    and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the
  15  *    above copyright notice, this list of conditions
  16  *    and the following disclaimer in the documentation
  17  *    and/or other materials provided with the
  18  *    distribution.
  19  * 3. The name of the author may not be used to endorse
  20  *    or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  25  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38 /* }}} */
  39
  40 #ifndef CYCRIPT_CONTEXT_HPP
  41 #define CYCRIPT_CONTEXT_HPP
  42
  43 #include "Options.hpp"
  44
  45 class CYProgram;
  46 class CYScope;
  47
  48 struct CYContext {
  49     apr_pool_t *pool_;
  50     CYOptions &options_;
  51     CYScope *scope_;
  52     CYProgram *program_;
  53
  54     CYContext(apr_pool_t *pool, CYOptions &options) :
  55         pool_(pool),
  56         options_(options),
  57         scope_(NULL),
  58         program_(NULL)
  59     {
  60     }
  61
  62     template <typename Type_>
  63     void Replace(Type_ *&value) {
  64         for (;;) if (value == NULL)
  65             break;
  66         else {
  67             Type_ *replace(value->Replace(*this));
  68             if (replace != value)
  69                 value = replace;
  70             else break;
  71         }
  72     }
  73 };
  74
  75 #endif/*CYCRIPT_CONTEXT_HPP*/