Trait rustc_ap_rustc_span::source_map::FileLoader

pub trait FileLoader {
    fn file_exists(&self, path: &Path) -> bool;
    fn abs_path(&self, path: &Path) -> Option<PathBuf>;
    fn read_file(&self, path: &Path) -> Result<String>;
}

An abstraction over the fs operations used by the Parser.

Required methods

fn file_exists(&self, path: &Path) -> bool

Query the existence of a file.

fn abs_path(&self, path: &Path) -> Option<PathBuf>

Returns an absolute path to a file, if possible.

fn read_file(&self, path: &Path) -> Result<String>

Read the contents of an UTF-8 file into memory.

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Implementors

impl FileLoader for RealFileLoader

fn file_exists(&self, path: &Path) -> bool

fn abs_path(&self, path: &Path) -> Option<PathBuf>

fn read_file(&self, path: &Path) -> Result<String>

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