dwarflang.fold module

Naive constant folding for the DWARFv4 expression language AST.

TODO: Boolean logic?

class dwarflang.fold.Op(value)

Bases: enum.Enum

An enumeration.

ADD = <built-in function add>

SUB = <built-in function sub>

dwarflang.fold.constant_fold(instructions: List[dwarflang.ast.DwarfInstr]) → List[dwarflang.ast.DwarfInstr]

Naive constant folding for the DWARFv4 expression language AST.

TODO: Apply local folds in a sliding window

Parameters

instructions (List[dwarflang.ast.DwarfInstr]) –

Return type

List[dwarflang.ast.DwarfInstr]