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Copy pathcmd_down.cpp
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55 lines (48 loc) · 2.13 KB
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/*
+----------------------------------------------------------------------+
| HipHop for PHP |
+----------------------------------------------------------------------+
| Copyright (c) 2010-2013 Facebook, Inc. (http://www.facebook.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
*/
#include "hphp/runtime/debugger/cmd/cmd_down.h"
#include "hphp/runtime/debugger/cmd/cmd_up.h"
#include "hphp/runtime/debugger/cmd/cmd_where.h"
namespace HPHP { namespace Eval {
///////////////////////////////////////////////////////////////////////////////
TRACE_SET_MOD(debugger);
void CmdDown::help(DebuggerClient &client) {
client.helpTitle("Down Command");
client.helpCmds(
"[d]own {num=1}", "moves to inner frames (callees) on stacktrace",
nullptr
);
client.helpBody(
"Use this command to walk down on stacktrace to find out inner callees of "
"current frame. By default it moves down by one level. Specify a number "
"to move down several levels a time."
);
}
void CmdDown::onClient(DebuggerClient &client) {
if (DebuggerCommand::displayedHelp(client)) return;
if (client.argCount() > 1) {
help(client);
} else {
if (client.isStackTraceAsync()) {
CmdWhere(KindOfWhereAsync).fetchStackTrace(client);
} else {
CmdWhere().fetchStackTrace(client);
}
client.moveToFrame(client.getFrame() - CmdUp::ParseNumber(client));
}
}
///////////////////////////////////////////////////////////////////////////////
}}