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eZejejejddZdd Zdd Zdd ZdS )zPattern compiler.
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The compiler compiles a pattern to a pytree.*Pattern instance.
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zPatternCompiler.__init__Fc C sn t |}y| jj||d}W n0 tjk
rL } ztt|W Y dd}~X nX |r`| j||fS | j|S dS )z=Compiles a pattern string to a nested pytree.*Pattern object.)debugN)r r Z parse_tokensr Z
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S d sjt|d S ) Nr r zInvalid token: %rz Can't have details for tokenany_zInvalid symbol: %r([)r1 r2 F)r7 r; r r STRINGr' r Z
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