관리-도구
편집 파일: compiler.cpython-39.pyc
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F)rl rb rm r0 r0 r1 �soft� s z Frame.soft)NN)F) rZ r[ r\ �__doc__rY rl rp rq �__copy__r0 r0 r0 r1 r] � s r] c @ s e Zd ZdZdS )rO z?Exception used by the `UndeclaredNameVisitor` to signal a stop.N�rZ r[ r\ rr r0 r0 r0 r1 rO � s rO c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd S ) �DependencyFinderVisitorz.A visitor that collects filter and test calls.c C s t � | _t � | _d S r$ )rG �filters�tests�r* r0 r0 r1 rY � s z DependencyFinderVisitor.__init__c C s | � |� | j�|j� d S r$ )� generic_visitrv �addr9 rX r0 r0 r1 � visit_Filter� s z$DependencyFinderVisitor.visit_Filterc C s | � |� | j�|j� d S r$ )ry rw rz r9 rX r0 r0 r1 � visit_Test� s z"DependencyFinderVisitor.visit_Testc C s dS )zStop visiting at blocks.Nr0 rX r0 r0 r1 � visit_Block� s z#DependencyFinderVisitor.visit_BlockN)rZ r[ r\ rr rY r{ r| r} r0 r0 r0 r1 ru � s ru c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) rN z�A visitor that checks if a name is accessed without being declared. This is different from the frame visitor as it will not stop at closure frames. c C s t |�| _t � | _d S r$ )rG rQ rP )r* rQ r0 r0 r1 rY � s z UndeclaredNameVisitor.__init__c C sJ |j dkr8|j| jv r8| j�|j� | j| jkrFt� �n| j�|j� d S )N�load)�ctxr9 rQ rP rz rO �discardrX r0 r0 r1 � visit_Name� s z UndeclaredNameVisitor.visit_Namec C s dS )zStop visiting a blocks.Nr0 rX r0 r0 r1 r} � s z!UndeclaredNameVisitor.visit_BlockN)rZ r[ r\ rr rY r� r} r0 r0 r0 r1 rN � s rN c @ s e Zd ZdZdS )� CompilerExitz�Raised if the compiler encountered a situation where it just doesn't make sense to further process the code. Any block that raises such an exception is not further processed. 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Fc s s | ] }|j V qd S r$ )rM ��.0r� r0 r0 r1 � <genexpr>� � z*CodeGenerator.signature.<locals>.<genexpr>r0 T�, Nz, %s=%sz, *z , **dict({z, **{z%r: z%r: %s, z}, **r� �}z, **) r r- �is_python_keyword�argsr� r) r Zdyn_argsZ dyn_kwargsrM rK ) r* r+ r, � extra_kwargsZkwarg_workaround�kwarg�argrM rK r0 r0 r1 � signature� sJ zCodeGenerator.signaturec C sn t � }|D ]}|�|� q dD ]J}t| |�}t||�D ]0}||vrN| �� ||< | �d|| ||f � q6q dS )zPull all the dependencies.)rv rw z%s = environment.%s[%r]N)ru r) �getattrr� r� )r* r rR r+ Z dependency�mappingr9 r0 r0 r1 �pull_dependencies� s �z CodeGenerator.pull_dependenciesc C s� g }t |jj�D ]p\}\}}|tkr&q|tkrH| �d|| �� |f � q|tkrd| �d||f � q|tkrx|� |� qt d��q|r�| �dd� |� � d S )Nz %s = %s(%r)�%s = %szunknown load instruction� %s = missing� = ) r r` �loadsr r r� �get_resolve_funcr r r� �NotImplementedError�join)r* r, �undefs�target�actionZparamr0 r0 r1 � enter_frame� s zCodeGenerator.enter_framec C sD |s@g }t |jj�D ]\}}|�|� q|r@| �dd�|� � d S )Nr� r� )r r` r� r� r� r� )r* r, �with_python_scoper� r� �_r0 r0 r1 � leave_frame� s zCodeGenerator.leave_framec C s | j jrd| S d| S )Nz async def %szdef %s)r8 �is_async)r* r9 r0 r0 r1 �func� s zCodeGenerator.funcc C s� |� � }|j�|� t|�}d}t� }g }t|j�D ]@\}}|jdkrJ|}|jdv r`|�|j� |� |j� |j�� q4t |j d�} d| v r�|dur�z|j |t|j� W q� ty� | �d|j� Y q�0 n|� |j�d�� d|_d| v �rd|v�r|� |j�d�� d|_d| v �r>d|v�r>|� |j�d�� d|_d |_|j�|� | �d | �d �d �|�f |� | �� | �|� | � |� | � |� t|j�D ]�\}}|j� |j�} | �d | � | �� z|j |t|j� } W n0 t�y | �d| d|j |jf � Y n 0 | �d| � | � | |� | � | � | � � �q�| �!� | �"|j |� | j#|dd� | j$|dd� | � � ||fS )z/Dump the function def of a macro or call block.N�caller)r- �varargs)r� r- r� zhWhen defining macros or call blocks the special "caller" argument must be omitted or be given a default.Tr- r� Fz%s(%s):Zmacror� �if %s is missing:z%s = undefined(%r, name=%r)z parameter %r was not provided�%s = )r� �r� )%rp r` � analyze_noderT rG � enumerater� r9 rz r� �refrS �body�defaults�len� IndexErrorr� r� �declare_parameterrU rV rW rc r� r� r� r� rd r� �push_parameter_definitionsr) �mark_parameter_storedr� �pop_parameter_definitionsr� r� r� ) r* r+ r, � macro_refZexplicit_callerZskip_special_paramsr� �idxr� rP r� �defaultr0 r0 r1 � macro_body� sv � �� zCodeGenerator.macro_bodyc C s` d� dd� |jjD ��}t|jdd�}t|jj�dkr>|d7 }| �d|||j|j|jf � dS ) z<Dump the macro definition for the def created by macro_body.r� c s s | ]}t |j�V qd S r$ )�reprr9 r� r0 r0 r1 r� M r� z*CodeGenerator.macro_def.<locals>.<genexpr>r9 Nr �,zLMacro(environment, macro, %r, (%s), %r, %r, %r, context.eval_ctx.autoescape)) r� r+ r� r� r� r� rV rW rU )r* r� r, Z arg_tupler9 r0 r0 r1 � macro_defK s ���zCodeGenerator.macro_defc C s* d|j }| jdur&|dt| j� 7 }|S )z.Return a human readable position for the node.zline %dN� in )r� r9 r� )r* r+ rn r0 r0 r1 �position] s zCodeGenerator.positionc C s" dd� dd� t|j�� �D �� S )Nz{%s}r� c s s | ]\}}d ||f V qdS ��%r: %sNr0 )r� r9 r� r0 r0 r1 r� e s �z3CodeGenerator.dump_local_context.<locals>.<genexpr>)r� r r` Z dump_storesr� r0 r0 r1 �dump_local_contextd s �z CodeGenerator.dump_local_contextc C s, | � d� | � d� | � d� | � d� dS )z�Writes a common preamble that is used by root and block functions. Primarily this sets up common local helpers and enforces a generator through a dead branch. z$resolve = context.resolve_or_missingz!undefined = environment.undefinedz cond_expr_undefined = Undefinedzif 0: yield NoneN�r� rx r0 r0 r1 � write_commonsj s zCodeGenerator.write_commonsc C s | j �|j�� � dS )aQ Pushes all parameter targets from the given frame into a local stack that permits tracking of yet to be assigned parameters. In particular this enables the optimization from `visit_Name` to skip undefined expressions for parameters in macros as macros can reference otherwise unbound parameters. N)r� r� r` Zdump_param_targetsr� r0 r0 r1 r� v s z(CodeGenerator.push_parameter_definitionsc C s | j �� dS )z+Pops the current parameter definitions set.N)r� �poprx r0 r0 r1 r� s z'CodeGenerator.pop_parameter_definitionsc C s | j r| j d �|� dS )z�Marks a parameter in the current parameter definitions as stored. This will skip the enforced undefined checks. ���N)r� r� �r* r� r0 r0 r1 r� � s z#CodeGenerator.mark_parameter_storedc C s | j �|� d S r$ )r� r� r� r0 r0 r1 �push_context_reference� s z$CodeGenerator.push_context_referencec C s | j �� d S r$ )r� r� rx r0 r0 r1 �pop_context_reference� s z#CodeGenerator.pop_context_referencec C s | j d S )Nr� �r� rx r0 r0 r1 �get_context_ref� s z CodeGenerator.get_context_refc C s | j d }|dkrdS d| S )Nr� r� �resolvez %s.resolver� r� r0 r0 r1 r� � s z CodeGenerator.get_resolve_funcc C s d| � � | �|�f S )Nz%s.derived(%s))r� r� r� r0 r0 r1 �derive_context� s �z CodeGenerator.derive_contextc C s | j s dS || j d v S )z4Checks if a given target is an undeclared parameter.Fr� )r� r� r0 r0 r1 �parameter_is_undeclared� s z%CodeGenerator.parameter_is_undeclaredc C s | j �t� � dS )z+Pushes a new layer for assignment tracking.N)r� r� rG rx r0 r0 r1 �push_assign_tracking� s z"CodeGenerator.push_assign_trackingc C s� | j �� }|jr|sdS dd� |D �}t|�dkr^tt|��}|j�|�}| �d||f � nR| �d� t |�D ]4\}}|r�| � d� |j�|�}| � d||f � qp| � d � |r�t|�dkr�| �d |d � n| �d d� t t |�� � dS ) zoPops the topmost level for assignment tracking and updates the context variables if necessary. 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�%|j � | �&|j |� | j'|dd� | �(� �q�| jd!d�d"d#� | jD �� dd� | �d$d%�d&d#� | j,D �� � d S )'Nzno root frame allowedr )�exportedzfrom __future__ import %sr� zfrom jinja2.runtime import zHfrom jinja2.asyncsupport import auto_await, auto_aiter, AsyncLoopContextz, environment=environment� zblock %r defined twice�.zfrom %s import %s as %szimport %s as %sz name = %rz %s(context, missing=missing%s):�root)r� r* rx z %s = TemplateReference(context)Tzparent_template = Noner� � if parent_template is not None:z4yield from parent_template.root_render_func(context)z9%sfor event in parent_template.root_render_func(context):zasync z yield eventZblock_)r* �superr z %s = context.super(%r, block_%s)z blocks = {%s}c s s | ]}d ||f V qdS )z %r: block_%sNr0 r� r0 r0 r1 r� ; r� z/CodeGenerator.visit_Template.<locals>.<genexpr>zdebug_info = %r�&c s s | ]}d | V qdS )z%s=%sNr0 r� r0 r0 r1 r� A r� )-r r8 r9 Zruntimer r� r� � code_featuresr� r; �findr ZExtends�find_allZBlockr� r� r� Z ImportedName� importnamer� r� 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}|j�|� | �|� t|j|j�D ]2\}}| �� | �||� | � d� | �||� q,| � |j |� | � |� d S �Nr� ) rp r` r� r� r �targets�valuesr� r) r� r� r� r� )r* r+ r, Z with_framer� �exprr0 r0 r1 � visit_With� s zCodeGenerator.visit_Withc C s | � |� | �|j|� d S r$ )r� r) r+ r r0 r0 r1 �visit_ExprStmt� s z CodeGenerator.visit_ExprStmt� _FinalizeInfo)�const�srcc s� �j dur�j S �j }� d}�jjr�d}�jj�� �fdd�}t�dd�du r^|d7 }d}nFt�d d�du r||d 7 }d}n(t�d d�du r�|d 7 }� ��fd d�}��||��_ �j S )a� Build the finalize function to be used on constants and at runtime. 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Nzenvironment.finalize(c s � �| ��S r$ r0 �rK )r� � env_finalizer0 r1 �finalize s z.CodeGenerator._make_finalize.<locals>.finalizeZcontextfunctionFT� context, Zevalcontextfunction�context.eval_ctx, Zenvironmentfunction� environment, c s � ��j | ��S r$ )r8 rM �r� rN r* r0 r1 rO ' s )� _finalize�_default_finalizer8 rO r� rJ )r* rO rL r0 rS r1 �_make_finalize s& z CodeGenerator._make_finalizec C s t t|��S )z�Given a group of constant values converted from ``Output`` child nodes, produce a string to write to the template module source. )r� r )r* �groupr0 r0 r1 �_output_const_repr- s z CodeGenerator._output_const_reprc C s: |� |j�}|jjr t|�}t|tj�r0t|�S |�|�S )aC Try to optimize a child of an ``Output`` node by trying to convert it to constant, finalized data at compile time. If :exc:`Impossible` is raised, the node is not constant and will be evaluated at runtime. Any other exception will also be evaluated at runtime for easier debugging. ) �as_constr& r� r r4 r � TemplateDatar rK )r* r+ r, rO rK r0 r0 r1 �_output_child_to_const4 s z$CodeGenerator._output_child_to_constc C sL |j jr| �d� n |j jr(| �d� n | �d� |jdurH| �|j� dS )zXOutput extra source code before visiting a child of an ``Output`` node. z7(escape if context.eval_ctx.autoescape else to_string)(zescape(z to_string(N)r& r' r� r� rL �r* r+ r, rO r0 r0 r1 �_output_child_preG s z CodeGenerator._output_child_prec C s" | � d� |jdur | � d� dS )zWOutput extra source code after visiting a child of an ``Output`` node. r� N)r� rL r\ r0 r0 r1 �_output_child_postU s z CodeGenerator._output_child_postc C s� |j r"| jrd S | �d� | �� | �� }g }|jD ]�}z,|jsTt|tj�sTt� � �| � |||�}W n& tj t fy� |� |� Y q4Y n0 |r�t|d t �r�|d � |� q4|� |g� q4|jd ur�t|�dkr�| �d|j � n| �d|j � | �� |D ]�}t|t ��rF| �|�}|jd u �r6| �d| � n| �|d � nb|jd u �r`| �d|� n | �|� | �|||� | �||� | �|||� |jd u�r | �d� �q |jd u�r�| �� | 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)Nc s� | j jrJ� | j jv rJ| �d� � | �|j|� | �d� | �|j|� n4| �d� | �|j|� | �d� � | �|j|� | �d� d S )Nz$environment.call_binop(context, %r, r� rn � %s r� )r8 � sandboxedZintercepted_binopsr� r) �left�rightr ��operatorr0 r1 rR s � � z$CodeGenerator.binop.<locals>.visitor�r3 �r| � interceptablerR r0 r{ r1 �binop s zCodeGenerator.binopc s t � fdd��}|S )Nc s\ | j jr2� | j jv r2| �d� � | �|j|� n | �d� � | �|j|� | �d� d S )Nz#environment.call_unop(context, %r, rn r� )r8 rx Zintercepted_unopsr� r) r+ r r{ r0 r1 rR 2 s � �z#CodeGenerator.uaop.<locals>.visitorr} r~ r0 r{ r1 �uaop1 s zCodeGenerator.uaop�+�-�*�/z//z**�%�and)r �orznot c C s^ |j jrd}n|j jr d}nd}| �d| � |jD ]}| �||� | �d� q4| �d� d S )Nz;(context.eval_ctx.volatile and markup_join or unicode_join)Z markup_joinZ unicode_joinz%s((r� r_ )r& r' r� r� r r) )r* r+ r, r# r� r0 r0 r1 � visit_ConcatO s zCodeGenerator.visit_Concatc C s> | � d� | �|j|� |jD ]}| �||� q | � d� d S )Nrn r� )r� r) rG �ops)r* r+ r, �opr0 r0 r1 � visit_Compare] s zCodeGenerator.visit_Comparec C s& | � dt|j � | �|j|� d S )Nrw )r� � operatorsr� r) rG r r0 r0 r1 � visit_Operande s zCodeGenerator.visit_Operandc C sP | j jr| �d� | �d� | �|j|� | �d|j � | j jrL| �d� d S )N�(await auto_await(zenvironment.getattr(r r_ )r8 r� r� r) r+ rh r r0 r0 r1 � visit_Getattri s zCodeGenerator.visit_Getattrc C s� t |jtj�r@| �|j|� | �d� | �|j|� | �d� n^| jjrR| �d� | �d� | �|j|� | �d� | �|j|� | �d� | jjr�| �d� d S )Nrr rs r� zenvironment.getitem(r� r� r_ ) r4 r� r ZSlicer) r+ r� r8 r� r r0 r0 r1 � visit_Getitemu s zCodeGenerator.visit_Getitemc C s` |j d ur| �|j |� | �d� |jd ur:| �|j|� |jd ur\| �d� | �|j|� d S )Nr3 )�startr) r� �stopr� r r0 r0 r1 � visit_Slice� s zCodeGenerator.visit_Slicec C s8 | j jr| �d� | �| j|j d � | j j�|j�}|d u rT| �d|j |j� t|dd�du rp| �d� n6t|dd�du r�| �d � nt|d d�du r�| �d � |j d ur�| � |j |� nJ|j j r�| �d |j |j f � n*|j jr�| �d |j � n| �d|j � | �||� | �d� | j j�r4| �d� d S )N�await auto_await(rn zno filter named %rZ contextfilterFTrP 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r+ r, r> r� r0 r0 r1 r? � s zCodeGenerator.visit_Callc C s" | � |jd � | �|j|� d S )N�=)r� rM r) rK r r0 r0 r1 � visit_Keyword� s zCodeGenerator.visit_Keywordc C s& | � d� | �|j|� | � d� d S )NzMarkup(r� �r� r) rG r r0 r0 r1 �visit_MarkSafe� s z CodeGenerator.visit_MarkSafec C s& | � d� | �|j|� | � d� d S )Nz5(context.eval_ctx.autoescape and Markup or identity)(r� r� r r0 r0 r1 �visit_MarkSafeIfAutoescape� s z(CodeGenerator.visit_MarkSafeIfAutoescapec C s | � d|j � d S )Nz environment.�r� r9 r r0 r0 r1 �visit_EnvironmentAttribute� s z(CodeGenerator.visit_EnvironmentAttributec C s | � d|j|jf � d S )Nz environment.extensions[%r].%s)r� Z identifierr9 r r0 r0 r1 �visit_ExtensionAttribute� s z&CodeGenerator.visit_ExtensionAttributec C s | � | j|j � d S r$ )r� r� r r r0 r0 r1 �visit_ImportedName� s z CodeGenerator.visit_ImportedNamec C s | � |j� d S r$ r� r r0 r0 r1 �visit_InternalName� s z CodeGenerator.visit_InternalNamec C s | � d� d S )Nr� )r� r r0 r0 r1 �visit_ContextReference� s z$CodeGenerator.visit_ContextReferencec C s | � | �|�� d S r$ )r� r� r r0 r0 r1 � visit_DerivedContextReference s z+CodeGenerator.visit_DerivedContextReferencec C s | � d|� d S )N�continuer� r r0 r0 r1 �visit_Continue s z CodeGenerator.visit_Continuec C s | � d|� d S )N�breakr� r r0 r0 r1 � visit_Break s zCodeGenerator.visit_Breakc C s: |� � }|j�|� | �|� | �|j|� | �|� d S r$ )rp r` r� r� r� r� r� )r* r+ r, � scope_framer0 r0 r1 � visit_Scope s zCodeGenerator.visit_Scopec C s� | � � }| �d|| �|�f � | �d| � | �|j|� | �|� |jdd�}|j�|� | � |� | � |j |� | � |� | � � d S )Nr� z %s.vars = T)ro )r� r� r� r) r� r� rp r` r� r� r� r� r� r� )r* r+ r, r r� r0 r0 r1 �visit_OverlayScope s z CodeGenerator.visit_OverlayScopec C sn |j D ]b}| �d|j � | �|j|� z|j�|j�}W n tjyV d|j_ Y q0 t |j|j|� qd S )Nzcontext.eval_ctx.%s = T) �optionsr� rM r) rK rY r& r r` r' �setattr)r* r+ r, �keywordrc r0 r0 r1 �visit_EvalContextModifier s z'CodeGenerator.visit_EvalContextModifierc C sb | � � }|j�� }| �d| � | �||� |jD ]}| 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