Function parse_rust_file 

pub fn parse_rust_file(
    path: &Path,
    source: &str,
) -> Result<ParseResult, ParseError>

Parse a Rust source file into CodeNodes.

Returns nodes for the file and all top-level and nested items: functions, structs, enums, traits, impl blocks (with methods), macros, use declarations, const/static items, type aliases, and modules.