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U u��f � @ sT d dl Z G dd� de�ZG dd� de�ZG dd� de�Zdd � Zd d � Zd d � ZdS )� Nc @ s& e Zd ZdZdZddd�Zdd� ZdS ) �Coordz� Coordinates of a syntactic element. Consists of: - File name - Line number - (optional) column number, for the Lexer )�file�line�column� __weakref__Nc C s || _ || _|| _d S �N�r r r )�selfr r r � r �D/opt/alt/python38/lib/python3.8/site-packages/pycparser/plyparser.py�__init__ s zCoord.__init__c C s( d| j | jf }| jr$|d| j 7 }|S )Nz%s:%sz:%sr )r �strr r r �__str__ s z Coord.__str__)N)�__name__� __module__� __qualname__�__doc__� __slots__r r r r r r r s r c @ s e Zd ZdS )� ParseErrorN)r r r r r r r r s r c @ s. e Zd Zdd� Zd dd�Zdd� Zdd � ZdS ) � PLYParserc C s< |d }dd� }d||f |_ d| |_t| j|j|� dS )z� Given a rule name, creates an optional ply.yacc rule for it. The name of the optional rule is <rulename>_opt Z_optc S s |d |d< d S )N� r r �r �pr r r �optrule* s z+PLYParser._create_opt_rule.<locals>.optrulez%s : empty | %szp_%sN)r r �setattr� __class__)r Zrulename�optnamer r r r �_create_opt_rule# s zPLYParser._create_opt_ruleNc C s t | jj||d�S )Nr )r Zclex�filename)r �linenor r r r �_coord1 s �zPLYParser._coordc C sF |j j j�dd|�|��}|dk r&d}|�|�| }| �|�|�|�S )z� Returns the coordinates for the YaccProduction object 'p' indexed with 'token_idx'. The coordinate includes the 'lineno' and 'column'. Both follow the lex semantic, starting from 1. � r ���)�lexerZlexdata�rfindZlexposr r )r r Z token_idx�last_crr r r r � _token_coord7 s zPLYParser._token_coordc C s t d||f ��d S )Nz%s: %s)r )r �msgZcoordr r r � _parse_errorB s zPLYParser._parse_error)N)r r r r r r& r( r r r r r " s r c s � fdd�}|S )a� Decorator to create parameterized rules. Parameterized rule methods must be named starting with 'p_' and contain 'xxx', and their docstrings may contain 'xxx' and 'yyy'. These will be replaced by the given parameter tuples. For example, ``p_xxx_rule()`` with docstring 'xxx_rule : yyy' when decorated with ``@parameterized(('id', 'ID'))`` produces ``p_id_rule()`` with the docstring 'id_rule : ID'. Using multiple tuples produces multiple rules. c s � | _ | S r )�_params)Z rule_func��paramsr r �decorateP s z parameterized.<locals>.decorater )r+ r, r r* r � parameterizedF s r- c C sl d}t | �D ]Z}|�d�r t| |�}t|d�r t| |� |jdk rNt| |� q |s tjdt dd� d}q | S ) z� Class decorator to generate rules from parameterized rule templates. See `parameterized` for more information on parameterized rules. FZp_r) Nz@parsing methods must have __doc__ for pycparser to work properly� )� stacklevelT) �dir� startswith�getattr�hasattr�delattrr �_create_param_rules�warnings�warn�RuntimeWarning)�clsZissued_nodoc_warning� attr_name�methodr r r �templateV s �r< c sV � j D ]J\}}� fdd�}� j�d|��d|�|_� j�d|�|_t| |j|� qdS )a Create ply.yacc rules based on a parameterized rule function Generates new methods (one per each pair of parameters) based on the template rule function `func`, and attaches them to `cls`. The rule function's parameters must be accessible via its `_params` attribute. c s � | |� d S r r r ��funcr r � param_rule} s z'_create_param_rules.<locals>.param_rule�xxx�yyyN)r) r �replacer r )r9 r> r@ rA r? r r= r r5 t s r5 ) r6 �objectr � Exceptionr r r- r< r5 r r r r �<module> s $
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