Method copy_expr_to

python/lowlevelil.py:3911–4127

``copy_expr_to`` deep copies an expression from this function into a target function If provided, the function ``sub_expr_handler`` will be called on every copied sub-expression .. warning:: This function should ONLY be called as a part of a lifter or workflow. It will otherwise not do anyth

(
		self, expr: LowLevelILInstruction, dest: 'LowLevelILFunction',
		sub_expr_handler: Optional[Callable[[LowLevelILInstruction], ExpressionIndex]] = None
	)

		core.BNReplaceLowLevelILExpr(self.handle, original, new)

	def copy_expr_to(
		self, expr: LowLevelILInstruction, dest: 'LowLevelILFunction',
		sub_expr_handler: Optional[Callable[[LowLevelILInstruction], ExpressionIndex]] = None
	) -> ExpressionIndex:
		"""
		``copy_expr_to`` deep copies an expression from this function into a target function
		If provided, the function ``sub_expr_handler`` will be called on every copied sub-expression

		.. warning:: This function should ONLY be called as a part of a lifter or workflow. It will otherwise not do anything useful as analysis will not be running.

		:param LowLevelILInstruction expr: Expression in this function to copy
		:param LowLevelILFunction dest: Function to copy the expression to
		:param sub_expr_handler: Optional function to call on every copied sub-expression
		:return: Index of the copied expression in the target function
		"""

		if sub_expr_handler is None:
			sub_expr_handler = lambda sub_expr: self.copy_expr_to(sub_expr, dest)
		loc = ILSourceLocation.from_instruction(expr)

		if expr.operation == LowLevelILOperation.LLIL_NOP:
			expr: LowLevelILNop
			return dest.nop(loc)
		if expr.operation == LowLevelILOperation.LLIL_SET_REG:
			expr: LowLevelILSetReg
			return dest.set_reg(expr.size, expr.dest, sub_expr_handler(expr.src), expr.flags, loc)
		if expr.operation == LowLevelILOperation.LLIL_SET_REG_SPLIT:
			expr: LowLevelILSetRegSplit
			return dest.set_reg_split(expr.size, expr.hi, expr.lo, sub_expr_handler(expr.src), expr.flags, loc)
		if expr.operation == LowLevelILOperation.LLIL_SET_REG_STACK_REL:
			expr: LowLevelILSetRegStackRel
			return dest.set_reg_stack_top_relative(expr.size, expr.stack, sub_expr_handler(expr.dest), sub_expr_handler(expr.src), expr.flags, loc)
		if expr.operation == LowLevelILOperation.LLIL_REG_STACK_PUSH:
			expr: LowLevelILRegStackPush
			return dest.reg_stack_push(expr.size, expr.stack, sub_expr_handler(expr.src), expr.flags, loc)
		if expr.operation == LowLevelILOperation.LLIL_SET_FLAG:
			expr: LowLevelILSetFlag
			return dest.set_flag(expr.dest.name, sub_expr_handler(expr.src), loc)
		if expr.operation == LowLevelILOperation.LLIL_LOAD:
			expr: LowLevelILLoad
			return dest.load(expr.size, sub_expr_handler(expr.src), expr.flags, loc)
		if expr.operation == LowLevelILOperation.LLIL_STORE:
			expr: LowLevelILStore
			return dest.store(expr.size, sub_expr_handler(expr.dest), sub_expr_handler(expr.src), expr.flags, loc)
		if expr.operation == LowLevelILOperation.LLIL_REG:
			expr: LowLevelILReg
			return dest.reg(expr.size, expr.src, loc)
		if expr.operation == LowLevelILOperation.LLIL_REG_SPLIT:
			expr: LowLevelILRegSplit
			return dest.reg_split(expr.size, expr.hi, expr.lo, loc)
		if expr.operation == LowLevelILOperation.LLIL_REG_STACK_REL:
			expr: LowLevelILRegStackRel
			return dest.reg_stack_top_relative(expr.size, expr.stack, sub_expr_handler(expr.src), loc)
		if expr.operation == LowLevelILOperation.LLIL_REG_STACK_POP:
			expr: LowLevelILRegStackPop
			return dest.reg_stack_pop(expr.size, expr.stack, loc)
		if expr.operation == LowLevelILOperation.LLIL_FLAG:
			expr: LowLevelILFlag