dissect.cstruct.expression

Module Contents

Classes

ExpressionTokenizer
Expression	Expression parser for calculations in definitions.

Attributes

HEXBIN_SUFFIX

dissect.cstruct.expression.HEXBIN_SUFFIX

class dissect.cstruct.expression.ExpressionTokenizer(expression: str)

equal(token: str, expected: str | str[str]) → bool

alnum(token: str) → bool

alpha(token: str) → bool

digit(token: str) → bool

hexdigit(token: str) → bool

operator(token: str) → bool

match(func: Callable[[str], bool] | None = None, expected: str | None = None, consume: bool = True, append: bool = True) → bool

consume() → None

eol() → bool

get_token() → str

tokenize() → list[str]

class dissect.cstruct.expression.Expression(cstruct: Expression.__init__.cstruct, expression: str)

Expression parser for calculations in definitions.

operators

precedence_levels

__repr__() → str

Return repr(self).

precedence(o1: str, o2: str) → bool

evaluate_exp() → None

is_number(token: str) → bool

evaluate(context: dict[str, int] | None = None) → int

Evaluates an expression using a Shunting-Yard implementation.