Function parse_resolved_script 

pub fn parse_resolved_script<R: ScriptResolver + ?Sized>(
    resolver: &R,
    root_name: &str,
    options: SourceLoadOptions,
    langspec: Option<&LangSpec>,
) -> Result<Script, ResolvedParseError>

Resolves, preprocesses, and parses one named root script.

Errors

Returns ResolvedParseError if resolution, preprocessing, or parsing fails.