/**
* Parses the update part of a for-statement.
*
* <code>
* -------------------------------
* for ($x = 0, $y = 23, $z = 42; $x < $y; ++$x, $y = $x + 1, $z = $x + 2) {}
* -------------------------------
* </code>
*
* @return PHP_Depend_Code_ASTForUpdate
* @since 0.9.12
*/
private function _parseForUpdate()
{
$this->_tokenStack->push();
$this->_consumeComments();
$update = null;
if (($expr = $this->_parseOptionalExpression()) != null) {
$update = $this->_builder->buildASTForUpdate();
$update->addChild($expr);
return $this->_setNodePositionsAndReturn($update);
}
$this->_tokenStack->pop();
return null;
}
/**
* Parses a sequence of none php code tokens and returns the token type of
* the next token.
*
* @return integer
* @since 0.9.12
*/
private function _parseNonePhpCode()
{
$this->consumeToken(self::T_CLOSE_TAG);
$this->_tokenStack->push();
while (($tokenType = $this->tokenizer->peek()) !== self::T_EOF) {
switch ($tokenType) {
case self::T_OPEN_TAG:
case self::T_OPEN_TAG_WITH_ECHO:
$this->consumeToken($tokenType);
$tokenType = $this->tokenizer->peek();
break 2;
default:
$this->consumeToken($tokenType);
break;
}
}
$this->_tokenStack->pop();
return $tokenType;
}
/**
* testPopOnRootReturnsExpectedTokenArrayWithAllTokens
*
* @return void
*/
public function testPopOnRootReturnsExpectedTokenArrayWithAllTokens()
{
$stack = new PHP_Depend_Parser_TokenStack();
$stack->push();
$expected = array($stack->add($this->createToken()), $stack->add($this->createToken()));
$stack->push();
$expected[] = $stack->add($this->createToken());
$expected[] = $stack->add($this->createToken());
$stack->pop();
self::assertSame($expected, $stack->pop());
}