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o �hp � @ sN d Z ddlZG dd� d�Zddd�ZG dd � d �ZG d d � d e�Zd d � ZdS )z JsLex: a lexer for JavaScript� Nc @ s e Zd ZdZdZddd�ZdS )�Tokz, A specification for a token class. r Nc C s, t j| _t jd7 _|| _|| _|| _d S )N� )r �num�id�name�regex�next)�selfr r r � r �H/usr/local/CyberPanel/lib/python3.10/site-packages/django/utils/jslex.py�__init__ s z Tok.__init__�N)�__name__� __module__� __qualname__�__doc__r r r r r r r s r � c s d� � �fdd�| �� D ��S )z� Create a regex from a space-separated list of literal `choices`. If provided, `prefix` and `suffix` will be attached to each choice individually. �|c 3 s" � | ] }� t �|� � V qd S r )�re�escape)�.0�c��prefix�suffixr r � <genexpr> s � zliterals.<locals>.<genexpr>)�join�split)�choicesr r r r r �literals s r c @ s e Zd ZdZdd� Zdd� ZdS )�Lexerz2 A generic multi-state regex-based lexer. c C s~ i | _ i | _|�� D ]/\}}g }|D ]}d|j }|| j|< |�d||jf � qt�d�|�tj tj B �| j |< q || _ d S )Nzt%dz (?P<%s>%s)r ) �regexes�toks�itemsr �appendr r �compiler � MULTILINE�VERBOSE�state)r �states�firstr( �rules�parts�tok�groupidr r r r $ s " zLexer.__init__c c s� � t |�}| j}| j}| j}d}||k rB|| �||�D ]!}|j}|| } || } |t | �7 }| j| fV | jr=| j} nq ||k s|| _dS )zW Lexically analyze `text`. Yield pairs (`name`, `tokentext`). r N)�lenr( r! r" �finditer� lastgroupr r ) r �text�endr( r! r" �start�matchr r- �toktextr r r �lex2 s& � �� z Lexer.lexN)r r r r r r7 r r r r r s r c s e Zd ZdZedd�edd�edd�eded d d �d d �ededd d �dd �edddd �edddd �edd�edddd �eded�d d �eded�dd �eded �d d �ed d dd �ed d dd �gZed d!�gZeeded"�d d �g e eed#d$dd �g e d%�Z� fd&d'�Z � Z S )(�JsLexerz� A JavaScript lexer >>> lexer = JsLexer() >>> list(lexer.lex("a = 1")) [('id', 'a'), ('ws', ' '), ('punct', '='), ('ws', ' '), ('dnum', '1')] This doesn't properly handle non-ASCII characters in the JavaScript source. �commentz/\*(.|\n)*?\*/� linecommentz//.*?$�wsz\s+�keywordal break case catch class const continue debugger default delete do else enum export extends finally for function if import in instanceof new return super switch this throw try typeof var void while with z\b)r �reg)r �reservedznull true false�divr z� ([a-zA-Z_$ ]|\\u[0-9a-fA-Z]{4}) # first char ([a-zA-Z_$0-9]|\\u[0-9a-fA-F]{4})* # rest chars �hnumz0[xX][0-9a-fA-F]+�onumz0[0-7]+�dnuma| ( (0|[1-9][0-9]*) # DecimalIntegerLiteral \. # dot [0-9]* # DecimalDigits-opt ([eE][-+]?[0-9]+)? # ExponentPart-opt | \. # dot [0-9]+ # DecimalDigits ([eE][-+]?[0-9]+)? # ExponentPart-opt | (0|[1-9][0-9]*) # DecimalIntegerLiteral ([eE][-+]?[0-9]+)? # ExponentPart-opt ) �punctz� >>>= === !== >>> <<= >>= <= >= == != << >> && || += -= *= %= &= |= ^= z ++ -- ) ]z){ } ( [ . ; , < > + - * % & | ^ ! ~ ? : =�stringz"([^"\\]|(\\(.|\n)))*?"z'([^'\\]|(\\(.|\n)))*?'�other�.z/= /r a� / # opening slash # First character is.. ( [^*\\/[] # anything but * \ / or [ | \\. # or an escape sequence | \[ # or a class, which has ( [^\]\\] # anything but \ or ] | \\. # or an escape sequence )* # many times \] ) # Following characters are same, except for excluding a star ( [^\\/[] # anything but \ / or [ | \\. # or an escape sequence | \[ # or a class, which has ( [^\]\\] # anything but \ or ] | \\. # or an escape sequence )* # many times \] )* # many times / # closing slash [a-zA-Z0-9]* # trailing flags )r? r= c s t � �| jd� d S )Nr= )�superr r) )r �� __class__r r r � s zJsLexer.__init__) r r r r r r � both_before� both_afterr) r � __classcell__r r rH r r8 M st � �� ��� �@������� ��)r8 c C s� dd� }t � }g }|�| �D ]5\}}|dkrd}n%|dkr4|�d�r3t�d||dd � �}d | d }n |d kr>|�d d �}|�|� qd�|�S )z� Convert the JavaScript source `js` into something resembling C for xgettext. What actually happens is that all the regex literals are replaced with "REGEX". c S s | d }|dkr dS |S )z1Used in a regex to properly escape double quotes.r �"z\"r )�m�sr r r � escape_quotes� s z-prepare_js_for_gettext.<locals>.escape_quotesr z"REGEX"rD �'z\\.|.r ���rM r �\�Ur )r8 r7 � startswithr �sub�replacer$ r )�jsrP �lexerr r r- �gutsr r r �prepare_js_for_gettext� s � r[ )r r )r r r r r r8 r[ r r r r �<module> s .
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