hphp/runtime/debugger/cmd/cmd_frame.cpp

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-2014 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/debugger/cmd/cmd_frame.h"
  18 #include "hphp/runtime/debugger/cmd/cmd_up.h"
  19 #include "hphp/runtime/debugger/cmd/cmd_where.h"
  20
  21 namespace HPHP { namespace Eval {
  22 ///////////////////////////////////////////////////////////////////////////////
  23
  24 TRACE_SET_MOD(debugger);
  25
  26 void CmdFrame::help(DebuggerClient &client) {
  27   client.helpTitle("Frame Command");
  28   client.helpCmds(
  29     "[f]rame {index}",  "jumps to one particular frame",
  30     nullptr
  31   );
  32   client.helpBody(
  33     "Use '[w]here' command to find out the frame number. Use 'f 0' to jump "
  34     "back to the most recent frame or the innermost frame. Use 'f 999' or "
  35     "some big number to jump to the outermost frame."
  36   );
  37 }
  38
  39 void CmdFrame::onClient(DebuggerClient &client) {
  40   if (DebuggerCommand::displayedHelp(client)) return;
  41   if (client.argCount() != 1) {
  42     help(client);
  43   } else {
  44     CmdWhere().fetchStackTrace(client);
  45     client.moveToFrame(CmdUp::ParseNumber(client));
  46   }
  47 }
  48
  49 ///////////////////////////////////////////////////////////////////////////////
  50 }}