fn parse_dep_info()

in src/compiler/rust.rs [309:358]

• 43 lines of code
• 4 McCabe index (conditional complexity)

fn parse_dep_info<T>(dep_info: &str, cwd: T) -> Vec<PathBuf>
where
    T: AsRef<Path>,
{
    let cwd = cwd.as_ref();
    // Just parse the first line, which should have the dep-info file and all
    // source files.
    let line = match dep_info.lines().next() {
        None => return vec![],
        Some(l) => l,
    };
    let pos = match line.find(": ") {
        None => return vec![],
        Some(p) => p,
    };

    let mut deps = Vec::new();
    let mut current_dep = String::new();

    let mut iter = line[pos + 2..].chars().peekable();

    loop {
        match iter.next() {
            Some('\\') => {
                if iter.peek() == Some(&' ') {
                    current_dep.push(' ');
                    iter.next();
                } else {
                    current_dep.push('\\');
                }
            }
            Some(' ') => {
                deps.push(current_dep);
                current_dep = String::new();
            }
            Some(c) => current_dep.push(c),
            None => {
                if !current_dep.is_empty() {
                    deps.push(current_dep);
                }

                break;
            }
        }
    }

    let mut deps = deps.iter().map(|s| cwd.join(s)).collect::<Vec<_>>();
    deps.sort();
    deps
}