python (3.11.7)
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Zd Zd Zd ZdS )zPattern compiler.
The grammar is taken from PatternGrammar.txt.
The compiler compiles a pattern to a pytree.*Pattern instance.
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j | j }|D ]}|\ }}}}}||vr|V dS )z6Tokenizes a string suppressing significant whitespace.N) r NEWLINEINDENTDEDENTr generate_tokensioStringIOreadline) inputskiptokens quintupletypevaluestartend line_texts r tokenize_wrapperr% ss M5< 6D
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PatternCompilerNc L |#t j | _ t j | _ n7t j | | _ t j | j | _ t j | _ t j
| _ t j | j t | _ dS )z^Initializer.
Takes an optional alternative filename for the pattern grammar.
N)convert)r pattern_grammarr pattern_symbolssymsr load_grammarSymbolspython_grammar pygrammarpython_symbolspysymsDriverpattern_convert)self grammar_files r __init__zPatternCompiler.__init__( su
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| dd}~ww xY w|r| | |fS | | S )z=Compiles a pattern string to a nested pytree.*Pattern object.)debugN)r% r parse_tokensr
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str compile_node)r5 r r9 with_treer rootes r compile_patternz PatternCompiler.compile_pattern7 s !%(( 7;++F%+@@DD 7 7 7$SVV,,$ 6 7 +$$T**D0 0$$T** *s . A AA c P |j j j k r
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j |gg| | }|||_ | S ) zXCompiles a node, recursively.
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<listcomp>z0PatternCompiler.compile_node.<locals>.<listcomp>O s' GGGbD%%b))GGGr N r c g | ]}|gS r r )rF as r rH z0PatternCompiler.compile_node.<locals>.<listcomp>R s ':':':':':':r minmaxc : g | ]} | S r rD rE s r rH z0PatternCompiler.compile_node.<locals>.<listcomp>V s' CCCrT&&r**CCCr )r r, Matcherchildren Alternativeslenr
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