public function printCFGNode()
{
$prettyPrinter = new PhpParser\PrettyPrinter\Standard();
print "[Loop Header Node] : ";
if ($this->loop_type == CFGNodeLoopHeader::FOR_LOOP) {
print "[For Loop] : \n";
print "(";
foreach ($this->expr->init as $initExpr) {
print $prettyPrinter->prettyPrintExpr($initExpr) . " ; ";
}
print ")\n";
print "(";
foreach ($this->expr->cond as $condExpr) {
print $prettyPrinter->prettyPrintExpr($condExpr) . " ; ";
}
print ")\n";
print "(";
foreach ($this->expr->loop as $loopExpr) {
print $prettyPrinter->prettyPrintExpr($loopExpr) . " ; ";
}
print ")\n";
} else {
if ($this->loop_type == CFGNodeLoopHeader::FOREACH_LOOP) {
print "[Foreach Loop] : \n";
print $prettyPrinter->prettyPrintExpr($this->expr->expr) . " ;\n";
// TODO: Fix null reference.
//print ($prettyPrinter->prettyPrintExpr($this->expr->keyVar)) . " ;\n";
//print ($prettyPrinter->prettyPrintExpr($this->expr->valueVar)) . " ;\n";
} else {
if ($this->loop_type == CFGNodeLoopHeader::WHILE_LOOP) {
print "[While Loop] : \n";
print $prettyPrinter->prettyPrintExpr($this->expr->cond) . " ;\n";
} else {
print "Unrecognized Loop.\n";
}
}
}
}
/**
* @param $cache_file
* @param array $source_files
*/
public function generateMerge($cache_file, array $source_files)
{
$parser = new \PhpParser\Parser(new \PhpParser\Lexer());
$config = new \PhpParser\Node\Expr\Array_();
foreach ($source_files as $basename => $file) {
$stmts = $parser->parse(file_get_contents($file));
if (empty($stmts) || !$stmts[0] instanceof \PhpParser\Node\Stmt\Return_) {
throw new \RuntimeException("Unable to locate return statement with config items in {$file}");
}
$config->items[] = new \PhpParser\Node\Expr\ArrayItem($stmts[0]->expr, new \PhpParser\Node\Scalar\String_($basename));
}
$prettyPrinter = new \PhpParser\PrettyPrinter\Standard();
$out = $prettyPrinter->prettyPrintExpr($config);
file_put_contents($cache_file, '<?php' . PHP_EOL . PHP_EOL . '// THIS IS AUTOGENERATED FILE! DO NOT EDIT IT!' . PHP_EOL . PHP_EOL . 'return ' . $out . ';' . PHP_EOL);
}
function printExpr($expr)
{
$prettyPrinter = new PhpParser\PrettyPrinter\Standard();
$code = $prettyPrinter->prettyPrintExpr($expr);
print $code . "\n";
}
