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zParser.__init__c C s( |du r| j jj}|||| j| j��dS )z�Convenience method that raises `exc` with the message, passed
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�|�|� d S ) Nz or c s s | ]}d t |� V qdS )z'%s'Nr )�.0�exprr. r. r/ � <genexpr>G s z&Parser._fail_ut_eof.<locals>.<genexpr>���zUnexpected end of template.z Encountered unknown tag '%s'.z_You probably made a nesting mistake. Jinja is expecting this tag, but currently looking for %s.z-Jinja was looking for the following tags: %s.z4The innermost block that needs to be closed is '%s'.� )�extendr r �join�appendr' r5 )r) r! Zend_token_stackr2 ZexpectedZexprsZcurrently_looking�messager. r. r/ � _fail_ut_eofB s<
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������zParser._fail_ut_eofc C s | � || j|�S )z�Called if the parser encounters an unknown tag. Tries to fail
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�zParser.parse_statementFc C sL | j �d� | j �d� | �|�}| j jjdkr:| �|� |rHt| j � |S )aR Parse multiple statements into a list until one of the end tokens
is reached. This is used to parse the body of statements as it also
parses template data if appropriate. The parser checks first if the
current token is a colon and skips it if there is one. Then it checks
for the block end and parses until if one of the `end_tokens` is
reached. Per default the active token in the stream at the end of
the call is the matched end token. If this is not wanted `drop_needle`
can be set to `True` and the end token is removed.
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||||d�S )zParse an assign statement.T)�with_namespace�assignrL N)z name:endset�rb ) ra r r2 �parse_assign_targetr^ � parse_tupler ZAssign� parse_filterrd Z AssignBlock)r) r2 �targetr7 Z filter_node�bodyr. r. r/ � parse_set� s
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j |||||||d�S )zParse a for loop.zname:for)�name:in)rJ rn F)�name:recursive)�
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zParser.parse_forc C s� t j| j�d�jd� }}| jdd�|_| �d�|_g |_ g |_
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|g�S )NrL r )zname:endautoescapeTrg ) r ZScopedEvalContextModifierra r r2 �Keywordrt Zoptionsrd rl ZScope�r) r} r. r. r/ �parse_autoescape� s zParser.parse_autoescapec C sp t jt| j�jd�}| j�d�j|_| j�d�|_ | jj
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NrL r! z name:scopedr zpBlock names in Jinja have to be valid Python identifiers and may not contain hyphens, use an underscore instead.)z
name:endblockTrg zname:)r ZBlockra r r2 r_ rS r! r^ Zscopedr1 rH r5 rd rl r� r. r. r/ � parse_block s �zParser.parse_blockc C s" t jt| j�jd�}| �� |_|S )NrL )r ZExtendsra r r2 rt �templater� r. r. r/ �
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zParser.parse_extendsc C sH | j j�dd�r>| j �� �d�r>t| j �jdk|_| j �� n||_|S )Nz name:withz name:without� name:contextr ) r r1 rI �lookrv ra rS � with_context�skip)r) r} �defaultr. r. r/ �parse_import_context s �� zParser.parse_import_contextc C sb t jt| j�jd�}| �� |_| jj�d�rP| j� � �d�rPd|_
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expected call)z name:endcallTrg )r Z CallBlockra r r2 r1 rH r� r� r� rt rQ �
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� s�| �d|jj�� |j� |S )a Parse an assignment target. As Jinja allows assignments to
tuples, this function can parse all allowed assignment targets. Per
default assignments to tuples are parsed, that can be disable however
by setting `with_tuple` to `False`. If only assignments to names are
wanted `name_only` can be set to `True`. The `extra_end_rules`
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)�parse_condexpr�parse_or)r) rp r. r. r/ rt � s zParser.parse_expressionc C sb | j jj}| �� }| j �d�r^| �� }| j �d�r<| �� }nd }tj||||d�}| j jj}q|S )Nrq rs rL )r r1 r2 r� r^ r� r ZCondExpr)r) r2 Zexpr1Zexpr2Zexpr3r. r. r/ r� � s
zParser.parse_condexprc C sF | j jj}| �� }| j �d�rB| �� }tj|||d�}| j jj}q|S )N�name:orrL )r r1 r2 � parse_andr^ r ZOr�r) r2 �left�rightr. r. r/ r� � s
zParser.parse_orc C sF | j jj}| �� }| j �d�rB| �� }tj|||d�}| j jj}q|S )N�name:andrL )r r1 r2 � parse_notr^ r ZAndr� r. r. r/ r� � s
zParser.parse_andc C s4 | j j�d�r,t| j �j}tj| �� |d�S | �� S )N�name:notrL ) r r1 rv ra r2 r �Notr� �
parse_compare)r) r2 r. r. r/ r� � s zParser.parse_notc C s� | j jj}| �� }g }| j jj}|tv rJt| j � |�t� || �� �� nh| j �
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d� |�t� d| �� �� nq�| j jj}q|s�|S tj|||d�S )Nrn �inr� r� ZnotinrL )r r1 r2 � parse_math1rH �_compare_operatorsra r= r ZOperandr^ rv r� r� ZCompare)r) r2 r7 �ops�
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� zParser.parse_comparec C s^ | j jj}| �� }| j jjdv rZt| j jj }t| j � | �� }||||d�}| j jj}q|S )N)r r rL )r r1 r2 � parse_concatrH � _math_nodesra �r) r2 r� �clsr� r. r. r/ r� � s
zParser.parse_math1c C s^ | j jj}| �� g}| j jjdkr<t| j � |�| �� � qt|�dkrP|d S tj ||d�S )N�tilder r rL )
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zParser.parse_concatc C s^ | j jj}| �� }| j jjdv rZt| j jj }t| j � | �� }||||d�}| j jj}q|S )N)r r r r rL )r r1 r2 � parse_powrH r� ra r� r. r. r/ r� s
zParser.parse_math2c C sR | j jj}| �� }| j jjdkrNt| j � | �� }tj|||d�}| j jj}q|S )N�powrL )r r1 r2 � parse_unaryrH ra r ZPowr� r. r. r/ r� s
zParser.parse_powc C s� | j jj}| j jj}|dkr<t| j � tj| �d�|d�}n0|dkrdt| j � tj| �d�|d�}n| � � }| �
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a� Works like `parse_expression` but if multiple expressions are
delimited by a comma a :class:`~jinja2.nodes.Tuple` node is created.
This method could also return a regular expression instead of a tuple
if no commas where found.
The default parsing mode is a full tuple. If `simplified` is `True`
only names and literals are parsed. The `no_condexpr` parameter is
forwarded to :meth:`parse_expression`.
Because tuples do not require delimiters and may end in a bogus comma
an extra hint is needed that marks the end of a tuple. For example
for loops support tuples between `for` and `in`. In that case the
`extra_end_rules` is set to ``['name:in']``.
`explicit_parentheses` is true if the parsing was triggered by an
expression in parentheses. This is used to figure out if an empty
tuple is a valid expression or not.
c s � j dd�S )NFrz )rt r. �r) r. r/ r% z s z!Parser.parse_tuple.<locals>.parseFr Tr z Expected an expression, got '%s'r� rL )
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r r_ r1 rH rt r= r ZPairr2 �Dict)r) rZ r� �keyrS r. r. r/ r� � s zParser.parse_dictc C sB | j jj}|dks|dkr&| �|�}q |dkr>| �|�}q q>q |S )Nr� r� r� )r r1 rH �parse_subscript�
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|||||�j d �S )Nr� Fc s | s� � d�j� d S )Nz+invalid syntax for function call expression)r5 r2 )r7 �r) rZ r. r/ �ensure s z!Parser.parse_call.<locals>.ensurerG r r r� r! rf r� rL T)r r_ r1 rH ra rt r� rS r� r= r r� r2 r� )
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