public function setInput($code, \PHPParser_Node $ast = null)
{
$this->astStream->setAst($ast ?: PhpParser\ParseUtils::parse($code));
$this->tokenStream->setCode($code);
$lastNode = null;
while ($this->moveNext()) {
if ($lastNode !== $this->node) {
$this->node->setAttribute('start_token', $this->token);
if (null !== $lastNode) {
$lastNode->setAttribute('end_token', $this->token->getPreviousToken()->get());
}
}
$lastNode = $this->node;
}
$this->reset();
}
/**
* @param TokenStream\AbstractToken $token
* @param array $tokens the format returned by ``token_get_all``
*/
private function insertAllTokensBefore(AbstractToken $token, array $tokens)
{
$normalizedTokens = $this->normalizeTokens($tokens);
$lineOffset = 0;
foreach ($normalizedTokens as $newToken) {
$lineOffset += substr_count($newToken->getValue(), "\n");
}
foreach ($this->tokens as $i => $cToken) {
if ($token !== $cToken) {
continue;
}
// Compensate for the token that is being inserted, so that we do not visit a token twice.
if ($i <= $this->i) {
$this->i += count($normalizedTokens);
}
$this->tokens = array_merge(array_slice($this->tokens, 0, $i), $normalizedTokens, array_slice($this->tokens, $i));
for ($k = $i, $c = count($this->tokens); $k < $c; $k++) {
$this->tokens[$i]->setAttribute('position', $k);
}
for ($k = 0, $c = count($normalizedTokens); $k < $c; $k++) {
if (0 === $k) {
$token->getPreviousToken()->get()->setNextToken($normalizedTokens[$k]);
$normalizedTokens[$k]->setPreviousToken($token->getPreviousToken()->get());
}
if ($k + 1 === $c) {
$token->setPreviousToken($normalizedTokens[$k]);
$normalizedTokens[$k]->setNextToken($token);
}
if ($k > 0 && $k + 1 < $c) {
$normalizedTokens[$k]->setPreviousToken($normalizedTokens[$k - 1]);
$normalizedTokens[$k - 1]->setNextToken($normalizedTokens[$k]);
$normalizedTokens[$k]->setNextToken($normalizedTokens[$k + 1]);
$normalizedTokens[$k + 1]->setPreviousToken($normalizedTokens[$k - 1]);
}
}
if ($lineOffset > 0) {
$nextToken = $token;
do {
$nextToken->setLine($nextToken->getLine() + $lineOffset);
} while (null !== ($nextToken = $nextToken->getNextToken()->getOrElse(null)));
}
break;
}
}
