/**
* Parses the init part of a for-statement.
*
* <code>
* ------------------------
* for ($x = 0, $y = 23, $z = 42; $x < $y; ++$x) {}
* ------------------------
* </code>
*
* @return PHP_Depend_Code_ASTForInit
* @since 0.9.8
*/
private function _parseForInit()
{
$this->consumeComments();
if (self::T_SEMICOLON === $this->tokenizer->peek()) {
return null;
}
$this->_tokenStack->push();
$init = $this->builder->buildASTForInit();
$this->_parseExpressionList($init);
return $this->_setNodePositionsAndReturn($init);
}
/**
* Parses the init part of a for-statement.
*
* <code>
* ------------------------
* for ($x = 0, $y = 23, $z = 42; $x < $y; ++$x) {}
* ------------------------
* </code>
*
* @return PHP_Depend_Code_ASTForInit
* @since 0.9.8
*/
private function _parseForInit()
{
if ($expr = $this->_parseOptionalExpression()) {
$init = $this->_builder->buildASTForInit();
$init->addChild($expr);
$init->configureLinesAndColumns($expr->getStartLine(), $expr->getEndLine(), $expr->getStartColumn(), $expr->getEndColumn());
return $init;
}
return null;
}
