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66 lines
2.2 KiB
66 lines
2.2 KiB
8 months ago
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from __future__ import annotations
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import re
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# https://en.cppreference.com/w/c/keyword
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_keywords = [
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'auto', 'break', 'case', 'char', 'const', 'continue', 'default', 'do', 'double',
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'else', 'enum', 'extern', 'float', 'for', 'goto', 'if', 'inline', 'int', 'long',
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'register', 'restrict', 'return', 'short', 'signed', 'sizeof', 'static', 'struct',
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'switch', 'typedef', 'union', 'unsigned', 'void', 'volatile', 'while',
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'_Alignas', '_Alignof', '_Atomic', '_Bool', '_Complex',
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'_Decimal32', '_Decimal64', '_Decimal128',
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'_Generic', '_Imaginary', '_Noreturn', '_Static_assert', '_Thread_local',
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]
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# These are only keyword'y when the corresponding headers are included.
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# They are used as default value for c_extra_keywords.
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_macroKeywords = [
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'alignas', 'alignof', 'bool', 'complex', 'imaginary', 'noreturn', 'static_assert',
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'thread_local',
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]
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# these are ordered by precedence
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_expression_bin_ops = [
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['||', 'or'],
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['&&', 'and'],
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['|', 'bitor'],
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['^', 'xor'],
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['&', 'bitand'],
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['==', '!=', 'not_eq'],
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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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_expression_unary_ops = ["++", "--", "*", "&", "+", "-", "!", "not", "~", "compl"]
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_expression_assignment_ops = ["=", "*=", "/=", "%=", "+=", "-=",
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">>=", "<<=", "&=", "and_eq", "^=", "xor_eq", "|=", "or_eq"]
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_max_id = 1
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_id_prefix = [None, 'c.', 'Cv2.']
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# Ids are used in lookup keys which are used across pickled files,
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# so when _max_id changes, make sure to update the ENV_VERSION.
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_string_re = re.compile(r"[LuU8]?('([^'\\]*(?:\\.[^'\\]*)*)'"
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r'|"([^"\\]*(?:\\.[^"\\]*)*)")', re.DOTALL)
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# bool, complex, and imaginary are macro "keywords", so they are handled separately
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_simple_type_specifiers_re = re.compile(r"""
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\b(
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void|_Bool
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|signed|unsigned
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|short|long
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|char
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|int
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|__uint128|__int128
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|__int(8|16|32|64|128) # extension
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|float|double
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|_Decimal(32|64|128)
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|_Complex|_Imaginary
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|__float80|_Float64x|__float128|_Float128|__ibm128 # extension
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|__fp16 # extension
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|_Sat|_Fract|fract|_Accum|accum # extension
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)\b
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""", re.VERBOSE)
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