path_eval

func NewPathEvalLex ¶

func NewPathEvalLex(
	expr string,
	progBldr *xpath.ProgBuilder,
	mapFn xpath.PfxMapFn,
) *pathEvalLex

func NewPathEvalMachine ¶

func NewPathEvalMachine(
	expr string,
	mapFn xpath.PfxMapFn,
	location string,
) (*xpath.Machine, error)

Create a machine that can run the full XPATH grammar for 'when' and 'must' statements. 'pathEval' matches the name given to this full grammar (as in Expr / ExprToken in the XPATH RFC)

func NewPathEvalMachineWithCustomFns ¶

func NewPathEvalMachineWithCustomFns(
	expr string,
	mapFn xpath.PfxMapFn,
	location string,
	userFnChecker xpath.UserCustomFunctionCheckerFn,
) (*xpath.Machine, error)