3
v^                 @   s$   d dl mZmZ G dd deZdS )    )sqltokensc               @   s0   e Zd ZdZdd Zdd Zdd Zdd	 Zd
S )StatementSplitterz1Filter that split stream at individual statementsc             C   s   | j   d S )N)_reset)self r   F/usr/lib/python3.6/site-packages/sqlparse/engine/statement_splitter.py__init__   s    zStatementSplitter.__init__c             C   s(   d| _ d| _d| _d| _g | _d| _dS )z/Set the filter attributes to its default valuesFr   N)_in_declare
_is_create_begin_depth
consume_wsr   level)r   r   r   r   r      s    zStatementSplitter._resetc             C   s   |t jkr|dkrdS |t jkr,|dkr,dS |t jkr:dS |j }|t jjkrb|jdrbd| _dS |dkr| jr| jdkrd| _dS |dkr|  jd7  _| jrdS dS |d	krt	d| jd | _dS |dkr| jr| jdkrdS |dk rdS dS )z<Get the new split level (increase, decrease or remain equal)(   )r   CREATETDECLAREBEGINENDIFFORWHILEEND IFEND FOR	END WHILEr   )r   r   r   )r   r   r   r   )
TPunctuationKeywordupperDDL
startswithr   r   r
   max)r   ttypevalueZunifiedr   r   r   _change_splitlevel   s6    

z$StatementSplitter._change_splitlevelc             c   s   t jt jjf}x|D ]x\}}| jr@||kr@tj| jV  | j  |  j	| j
||7  _	| jjtj|| | j	dkr|t jkr|dkrd| _qW | jrtj| jV  dS )zProcess the streamr   ;TN)r   
WhitespaceCommentSingler   r   	Statementr   r   r   r&   appendTokenr   )r   streamZ	EOS_TTYPEr$   r%   r   r   r   processP   s    
zStatementSplitter.processN)__name__
__module____qualname____doc__r	   r   r&   r/   r   r   r   r   r      s
   
4r   N)sqlparser   r   r   objectr   r   r   r   r   <module>	   s   