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Copy pathcmd_step.cpp
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55 lines (48 loc) · 2.21 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_step.h"
namespace HPHP { namespace Eval {
///////////////////////////////////////////////////////////////////////////////
TRACE_SET_MOD(debuggerflow);
void CmdStep::help(DebuggerClient &client) {
client.helpTitle("Step Command");
client.helpCmds(
"[s]tep {count=1}", "steps into lines of code",
nullptr
);
client.helpBody(
"Use this command at break to step into lines of code. Specify a "
"count to step more than once."
);
}
void CmdStep::onSetup(DebuggerProxy &proxy, CmdInterrupt &interrupt) {
assert(!m_complete); // Complete cmds should not be asked to do work.
installLocationFilterForLine(interrupt.getSite());
m_needsVMInterrupt = true;
}
void CmdStep::onBeginInterrupt(DebuggerProxy &proxy, CmdInterrupt &interrupt) {
// Step doesn't care about this interrupt... we just stay the course and
// keep stepping.
if (interrupt.getInterruptType() == ExceptionHandler) return;
// Don't step into generated functions, keep looking.
if (interrupt.getSite()->getLine0() == 0) return;
m_complete = (decCount() == 0);
if (!m_complete) {
installLocationFilterForLine(interrupt.getSite());
}
}
///////////////////////////////////////////////////////////////////////////////
}}