/**
* @param Lexer $lexer
* @param char $char
*/
public function input(Lexer $lexer, $char)
{
if ($char == "'") {
$lexer->setStateString();
} else {
if (self::isAlpha($char)) {
$lexer->setStateSymbol($char);
} else {
if ($char == '-' || $char == '+') {
$lexer->pushOperator(new TokenUnarySign($char));
} else {
if (self::isDigit($char)) {
$lexer->setStateInteger($char);
} else {
if ($char == '(') {
$lexer->pushOperator(new TokenLParen());
} else {
if ($char == '*') {
$lexer->pushOperator(new TokenMul());
} else {
if ($char == ')') {
$lexer->closeParenthesis();
} else {
if ($char == ',') {
$lexer->incrementLastFunctionArity();
} else {
if ($char == '/') {
$lexer->pushPath(new PathElementRoot());
} else {
if ($char == '.') {
$lexer->setStateDot();
} else {
if (self::isBlank($char)) {
} else {
$this->throwError($lexer, $char);
}
}
}
}
}
}
}
}
}
}
}
}