/**
* called at run-time for each line
* @param string the script name
* @param int the current line
* @param mixed the execution variables
*/
public function step($scriptName, $line, $vars)
{
if ($this->ignoreInterrupt) {
return;
}
// avoid spurious step calls from __destruct() method
$this->ignoreInterrupt = true;
if (PDB_DEBUG) {
pdb_Logger::logDebug("step: {$scriptName} @ {$line}");
}
// pull the current frame from the stack or the top-level environment
$this->session->currentFrame = isset($vars['__pdb_CurrentFrame']) ? $vars['__pdb_CurrentFrame'] : $this->session->currentTopLevelFrame;
unset($vars['__pdb_CurrentFrame']);
$this->session->currentFrame->update($line, $vars);
if ($this->session->hasBreakpoint($scriptName, $line)) {
$stepNext = $this->handleRequests();
if (PDB_DEBUG) {
pdb_Logger::logDebug("continue");
}
/* clear all dynamic breakpoints */
foreach ($this->session->allFrames as $currentFrame) {
$currentFrame->stepNext = false;
}
/* set new dynamic breakpoint */
if ($stepNext != pdb_JSDebugger::GO) {
$currentFrame = $this->session->currentFrame;
/* break in current frame or frame below */
if ($stepNext != pdb_JSDebugger::STEP_OUT) {
$currentFrame->stepNext = $stepNext;
}
/* or break in any parent */
while ($currentFrame = $currentFrame->parent) {
$currentFrame->stepNext = $stepNext;
}
}
}
$this->ignoreInterrupt = false;
if (PDB_DEBUG) {
pdb_Logger::logDebug("endStep: {$scriptName} @ {$line}");
}
}