swfdec/swfdec_as_frame_internal.h

   1 /* Swfdec
   2  * Copyright (C) 2007-2008 Benjamin Otte <otte@gnome.org>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301  USA
  18  */
  19
  20 #ifndef _SWFDEC_AS_FRAME_INTERNAL_H_
  21 #define _SWFDEC_AS_FRAME_INTERNAL_H_
  22
  23 #include <swfdec/swfdec_as_super.h>
  24 #include <swfdec/swfdec_as_types.h>
  25 #include <swfdec/swfdec_script_internal.h>
  26 #include <swfdec/swfdec_types.h>
  27
  28 G_BEGIN_DECLS
  29
  30 typedef void (* SwfdecAsFrameBlockFunc) (SwfdecAsContext *cx, SwfdecAsFrame *frame, gpointer data);
  31
  32 struct _SwfdecAsFrame {
  33   SwfdecAsFrame *       next;           /* next frame (FIXME: keep a list in the context instead?) */
  34   SwfdecAsFunction *    function;       /* function we're executing or NULL if toplevel */
  35   SwfdecAsValue         thisp;          /* this object in current frame or undefined if none */
  36   SwfdecAsSuper *       super;          /* super object in current frame or NULL if none */
  37   gboolean              construct;      /* TRUE if this is the constructor for thisp */
  38   SwfdecAsValue *       return_value;   /* pointer to where to store the return value */
  39   guint                 argc;           /* number of arguments */
  40   const SwfdecAsValue * argv;           /* arguments or %NULL if taken from stack */
  41   /* script execution */
  42   SwfdecScript *        script;         /* script being executed */
  43   GSList *              scope_chain;    /* the scope chain (with objects etc) */
  44   const guint8 *        block_start;    /* start of current block */
  45   const guint8 *        block_end;      /* end of current block */
  46   GArray *              blocks;         /* blocks we have entered (like With) */
  47   SwfdecMovie *         target;         /* target to use as last object in scope chain or for SetVariable */
  48   SwfdecMovie *         original_target;/* original target (used when resetting target) */
  49   SwfdecAsObject *      activation;     /* activation object or NULL if the frame takes no local variables */
  50   SwfdecAsValue *       registers;      /* the registers */
  51   guint                 n_registers;    /* number of allocated registers */
  52   SwfdecConstantPool *  constant_pool;  /* constant pool currently in use */
  53   SwfdecAsValue *       stack_begin;    /* beginning of stack */
  54   const guint8 *        pc;             /* program counter on stack */
  55   /* native function */
  56 };
  57
  58 void            swfdec_as_frame_init            (SwfdecAsFrame *        frame,
  59                                                  SwfdecAsContext *      context,
  60                                                  SwfdecScript *         script);
  61 void            swfdec_as_frame_init_native     (SwfdecAsFrame *        frame,
  62                                                  SwfdecAsContext *      context);
  63 void            swfdec_as_frame_free            (SwfdecAsContext *      context,
  64                                                  SwfdecAsFrame *        frame);
  65
  66 void            swfdec_as_frame_set_this        (SwfdecAsFrame *        frame,
  67                                                  SwfdecAsObject *       thisp);
  68 void            swfdec_as_frame_preload         (SwfdecAsContext *      context,
  69                                                  SwfdecAsFrame *        frame);
  70
  71 #define swfdec_as_frame_get_variable(cx, frame, variable, value) \
  72   swfdec_as_frame_get_variable_and_flags (cx, frame, variable, value, NULL, NULL)
  73 SwfdecAsObject *swfdec_as_frame_get_variable_and_flags
  74                                                 (SwfdecAsContext *      context,
  75                                                  SwfdecAsFrame *        frame,
  76                                                  const char *           variable,
  77                                                  SwfdecAsValue *        value,
  78                                                  guint *                flags,
  79                                                  SwfdecAsObject **      pobject);
  80 #define swfdec_as_frame_set_variable(cx, frame, variable, value, overwrite, local) \
  81   swfdec_as_frame_set_variable_and_flags (cx, frame, variable, value, 0, overwrite, local)
  82 void            swfdec_as_frame_set_variable_and_flags
  83                                                 (SwfdecAsContext *      context,
  84                                                  SwfdecAsFrame *        frame,
  85                                                  const char *           variable,
  86                                                  const SwfdecAsValue *  value,
  87                                                  guint                  default_flags,
  88                                                  gboolean               overwrite,
  89                                                  gboolean               local);
  90 SwfdecAsDeleteReturn
  91                 swfdec_as_frame_delete_variable (SwfdecAsContext *      context,
  92                                                  SwfdecAsFrame *        frame,
  93                                                  const char *           variable);
  94
  95 void            swfdec_as_frame_set_target      (SwfdecAsFrame *        frame,
  96                                                  SwfdecMovie *          target);
  97 void            swfdec_as_frame_push_block      (SwfdecAsFrame *        frame,
  98                                                  const guint8 *         start,
  99                                                  const guint8 *         end,
 100                                                  SwfdecAsFrameBlockFunc func,
 101                                                  gpointer               data);
 102 void            swfdec_as_frame_pop_block       (SwfdecAsFrame *        frame,
 103                                                  SwfdecAsContext *      context);
 104 void            swfdec_as_frame_handle_exception(SwfdecAsContext *      context,
 105                                                  SwfdecAsFrame *        frame);
 106 SwfdecMovie *   swfdec_as_frame_get_target      (SwfdecAsFrame *        frame);
 107
 108
 109 G_END_DECLS
 110 #endif