mirror of
https://github.com/python/cpython.git
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244 lines
6.5 KiB
Python
244 lines
6.5 KiB
Python
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f'''
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struct {ANON_IDENTIFIER};
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struct {{ ... }}
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struct {IDENTIFIER} {{ ... }}
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union {ANON_IDENTIFIER};
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union {{ ... }}
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union {IDENTIFIER} {{ ... }}
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enum {ANON_IDENTIFIER};
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enum {{ ... }}
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enum {IDENTIFIER} {{ ... }}
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typedef {VARTYPE} {IDENTIFIER};
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typedef {IDENTIFIER};
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typedef {IDENTIFIER};
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typedef {IDENTIFIER};
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'''
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def parse(srclines):
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if isinstance(srclines, str): # a filename
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raise NotImplementedError
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# This only handles at most 10 nested levels.
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#MATCHED_PARENS = textwrap.dedent(rf'''
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# # matched parens
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# (?:
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# [(] # level 0
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# (?:
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# [^()]*
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# [(] # level 1
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# (?:
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# [^()]*
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# [(] # level 2
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# (?:
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# [^()]*
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# [(] # level 3
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# (?:
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# [^()]*
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# [(] # level 4
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# (?:
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# [^()]*
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# [(] # level 5
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# (?:
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# [^()]*
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# [(] # level 6
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# (?:
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# [^()]*
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# [(] # level 7
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# (?:
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# [^()]*
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# [(] # level 8
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# (?:
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# [^()]*
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# [(] # level 9
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# (?:
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# [^()]*
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# [(] # level 10
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# [^()]*
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# [)]
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# )*
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# [^()]*
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# [)]
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# )*
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# [^()]*
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# [)]
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# )*
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# [^()]*
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# [)]
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# )*
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# [^()]*
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# [)]
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# )*
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# [^()]*
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# [)]
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# )*
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# [^()]*
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# [)]
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# )*
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# [^()]*
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# [)]
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# )*
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# [^()]*
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# [)]
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# )*
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# [^()]*
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# [)]
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# )*
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# [^()]*
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# [)]
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# )
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# # end matched parens
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# ''')
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'''
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# for loop
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(?:
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\s* \b for
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\s* [(]
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(
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[^;]* ;
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[^;]* ;
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.*?
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) # <header>
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[)]
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\s*
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(?:
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(?:
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(
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{_ind(SIMPLE_STMT, 6)}
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) # <stmt>
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;
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)
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( {{ ) # <open>
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)
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)
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(
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(?:
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(?:
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(?:
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{_ind(SIMPLE_STMT, 6)}
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)?
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return \b \s*
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{_ind(INITIALIZER, 5)}
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)
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(?:
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(?:
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{IDENTIFIER} \s*
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(?: . | -> ) \s*
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)*
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{IDENTIFIER}
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\s* = \s*
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{_ind(INITIALIZER, 5)}
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)
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(?:
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{_ind(SIMPLE_STMT, 5)}
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)
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)
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# cast compound literal
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(?:
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(?:
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[^'"{{}};]*
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{_ind(STRING_LITERAL, 5)}
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)*
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[^'"{{}};]*?
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[^'"{{}};=]
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=
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\s* [(] [^)]* [)]
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\s* {{ [^;]* }}
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)
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) # <stmt>
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# compound statement
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(?:
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(
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(?:
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# "for" statements are handled separately above.
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(?: (?: else \s+ )? if | switch | while ) \s*
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{_ind(COMPOUND_HEAD, 5)}
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)
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(?: else | do )
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# We do not worry about compound statements for labels,
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# "case", or "default".
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)? # <header>
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\s*
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( {{ ) # <open>
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)
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(
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(?:
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[^'"{{}};]*
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{_ind(STRING_LITERAL, 5)}
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)*
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[^'"{{}};]*
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# Presumably we will not see "== {{".
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[^\s='"{{}};]
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)? # <header>
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(
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\b
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(?:
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# We don't worry about labels with a compound statement.
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(?:
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switch \s* [(] [^{{]* [)]
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)
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(?:
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case \b \s* [^:]+ [:]
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)
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(?:
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default \s* [:]
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)
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(?:
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do
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)
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(?:
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while \s* [(] [^{{]* [)]
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)
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#(?:
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# for \s* [(] [^{{]* [)]
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# )
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#|
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(?:
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if \s* [(]
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(?: [^{{]* [^)] \s* {{ )* [^{{]*
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[)]
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)
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(?:
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else
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(?:
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\s*
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if \s* [(]
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(?: [^{{]* [^)] \s* {{ )* [^{{]*
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[)]
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)?
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)
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)
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)? # <header>
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'''
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