-// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
#![allow(non_camel_case_types)]
pub use self::FileMatch::*;
-use rustc_data_structures::fx::FxHashSet;
use std::borrow::Cow;
use std::env;
use std::fs;
use std::path::{Path, PathBuf};
-use session::search_paths::{SearchPaths, PathKind};
+use session::search_paths::{SearchPath, PathKind};
use rustc_fs_util::fix_windows_verbatim_for_gcc;
#[derive(Copy, Clone)]
// A module for searching for libraries
pub struct FileSearch<'a> {
- pub sysroot: &'a Path,
- pub search_paths: &'a SearchPaths,
- pub triple: &'a str,
- pub kind: PathKind,
+ sysroot: &'a Path,
+ triple: &'a str,
+ search_paths: &'a [SearchPath],
+ tlib_path: &'a SearchPath,
+ kind: PathKind,
}
impl<'a> FileSearch<'a> {
- pub fn for_each_lib_search_path<F>(&self, mut f: F) where
- F: FnMut(&Path, PathKind)
- {
- let mut visited_dirs = FxHashSet::default();
- visited_dirs.reserve(self.search_paths.paths.len() + 1);
- for (path, kind) in self.search_paths.iter(self.kind) {
- f(path, kind);
- visited_dirs.insert(path.to_path_buf());
- }
-
- debug!("filesearch: searching lib path");
- let tlib_path = make_target_lib_path(self.sysroot,
- self.triple);
- if !visited_dirs.contains(&tlib_path) {
- f(&tlib_path, PathKind::All);
- }
-
- visited_dirs.insert(tlib_path);
+ pub fn search_paths(&self) -> impl Iterator<Item = &'a SearchPath> {
+ let kind = self.kind;
+ self.search_paths.iter()
+ .filter(move |sp| sp.kind.matches(kind))
+ .chain(std::iter::once(self.tlib_path))
}
pub fn get_lib_path(&self) -> PathBuf {
pub fn search<F>(&self, mut pick: F)
where F: FnMut(&Path, PathKind) -> FileMatch
{
- self.for_each_lib_search_path(|lib_search_path, kind| {
- debug!("searching {}", lib_search_path.display());
- let files = match fs::read_dir(lib_search_path) {
- Ok(files) => files,
- Err(..) => return,
- };
- let files = files.filter_map(|p| p.ok().map(|s| s.path()))
- .collect::<Vec<_>>();
+ for search_path in self.search_paths() {
+ debug!("searching {}", search_path.dir.display());
fn is_rlib(p: &Path) -> bool {
p.extension() == Some("rlib".as_ref())
}
// an rlib and a dylib we only read one of the files of
// metadata, so in the name of speed, bring all rlib files to
// the front of the search list.
- let files1 = files.iter().filter(|p| is_rlib(p));
- let files2 = files.iter().filter(|p| !is_rlib(p));
+ let files1 = search_path.files.iter().filter(|p| is_rlib(p));
+ let files2 = search_path.files.iter().filter(|p| !is_rlib(p));
for path in files1.chain(files2) {
debug!("testing {}", path.display());
- let maybe_picked = pick(path, kind);
+ let maybe_picked = pick(path, search_path.kind);
match maybe_picked {
FileMatches => {
debug!("picked {}", path.display());
}
}
}
- });
+ }
}
pub fn new(sysroot: &'a Path,
triple: &'a str,
- search_paths: &'a SearchPaths,
- kind: PathKind) -> FileSearch<'a> {
+ search_paths: &'a Vec<SearchPath>,
+ tlib_path: &'a SearchPath,
+ kind: PathKind)
+ -> FileSearch<'a> {
debug!("using sysroot = {}, triple = {}", sysroot.display(), triple);
FileSearch {
sysroot,
- search_paths,
triple,
+ search_paths,
+ tlib_path,
kind,
}
}
- // Returns a list of directories where target-specific dylibs might be located.
- pub fn get_dylib_search_paths(&self) -> Vec<PathBuf> {
- let mut paths = Vec::new();
- self.for_each_lib_search_path(|lib_search_path, _| {
- paths.push(lib_search_path.to_path_buf());
- });
- paths
+ // Returns just the directories within the search paths.
+ pub fn search_path_dirs(&self) -> Vec<PathBuf> {
+ self.search_paths()
+ .map(|sp| sp.dir.to_path_buf())
+ .collect()
}
// Returns a list of directories where target-specific tool binaries are located.
p
}
-fn make_target_lib_path(sysroot: &Path,
- target_triple: &str) -> PathBuf {
+pub fn make_target_lib_path(sysroot: &Path, target_triple: &str) -> PathBuf {
sysroot.join(&relative_target_lib_path(sysroot, target_triple))
}
+pub fn target_lib_path(target_triple: &str) -> PathBuf {
+ let mut p = PathBuf::from(RUST_LIB_DIR);
+ p.push(target_triple);
+ p.push("lib");
+ p
+}
+
pub fn get_or_default_sysroot() -> PathBuf {
// Follow symlinks. If the resolved path is relative, make it absolute.
fn canonicalize(path: Option<PathBuf>) -> Option<PathBuf> {
projects / rust.git / blobdiff