Defaults returns the default JSON options, which is to exclude location information in serialized JSON AST.

GetOptions returns (a copy of) the global options for marshalling AST nodes to JSON.

SetOptions sets the global options for marshalling AST nodes to JSON.

MarshalOptions defines the options for JSON marshaling, currently only toggling the marshaling of location information is supported.

NodeToggle is a generic struct to allow the toggling of settings for different ast node types.

Options defines the options for JSON operations, currently only marshaling can be configured.