/**
* Parse the code for a variable assignment.
* Handles scalar types, and various array types (simple, associative,
* multi-dimentional)
* @param bool $p_extra_tokens Define how extra tokens should be handled
* - EXTRA_TOKENS_IGNORE silently ignore any
* extra code given after the first token
* - EXTRA_TOKENS_ERROR (default) throws an
* exception if extra code is found
* @return mixed variable
* @throws Exception when there are unexpected or extra tokens
*/
public function parse($p_extra_tokens = self::EXTRA_TOKENS_ERROR)
{
switch ($this->tokens->type()) {
case T_ARRAY:
$t_result = $this->process_array();
break;
case T_CONSTANT_ENCAPSED_STRING:
case T_STRING:
case T_LNUMBER:
case T_DNUMBER:
case '-':
case '+':
$t_result = $this->process_value();
break;
default:
throw new Exception('Unexpected token "' . $this->tokens->value() . '"');
}
# Make sure we have processed all tokens
if ($p_extra_tokens == self::EXTRA_TOKENS_ERROR && !$this->tokens->is_empty()) {
throw new Exception('Extra tokens found "' . $this->tokens->get_string() . '":');
}
return $t_result;
}
