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use std::collections::{HashMap, HashSet};
use std::ffi::OsStr;
use std::path::PathBuf;
use semver::Version;
use core::{PackageId, Package, Target, TargetKind};
use util::{self, CargoResult, Config, ProcessBuilder, process, join_paths};
pub struct Compilation<'cfg> {
pub libraries: HashMap<PackageId, HashSet<(Target, PathBuf)>>,
pub tests: Vec<(Package, TargetKind, String, PathBuf)>,
pub binaries: Vec<PathBuf>,
pub native_dirs: HashSet<PathBuf>,
pub root_output: PathBuf,
pub deps_output: PathBuf,
pub plugins_dylib_path: PathBuf,
pub extra_env: HashMap<PackageId, Vec<(String, String)>>,
pub to_doc_test: Vec<Package>,
pub cfgs: HashMap<PackageId, HashSet<String>>,
pub target: String,
config: &'cfg Config,
}
impl<'cfg> Compilation<'cfg> {
pub fn new(config: &'cfg Config) -> Compilation<'cfg> {
Compilation {
libraries: HashMap::new(),
native_dirs: HashSet::new(),
root_output: PathBuf::from("/"),
deps_output: PathBuf::from("/"),
plugins_dylib_path: PathBuf::from("/"),
tests: Vec::new(),
binaries: Vec::new(),
extra_env: HashMap::new(),
to_doc_test: Vec::new(),
cfgs: HashMap::new(),
config: config,
target: String::new(),
}
}
pub fn rustc_process(&self, pkg: &Package) -> CargoResult<ProcessBuilder> {
self.fill_env(self.config.rustc()?.process(), pkg, true)
}
pub fn rustdoc_process(&self, pkg: &Package) -> CargoResult<ProcessBuilder> {
self.fill_env(process(&*self.config.rustdoc()?), pkg, false)
}
pub fn host_process<T: AsRef<OsStr>>(&self, cmd: T, pkg: &Package)
-> CargoResult<ProcessBuilder> {
self.fill_env(process(cmd), pkg, true)
}
pub fn target_process<T: AsRef<OsStr>>(&self, cmd: T, pkg: &Package)
-> CargoResult<ProcessBuilder> {
self.fill_env(process(cmd), pkg, false)
}
fn fill_env(&self, mut cmd: ProcessBuilder, pkg: &Package, is_host: bool)
-> CargoResult<ProcessBuilder> {
let mut search_path = if is_host {
vec![self.plugins_dylib_path.clone()]
} else {
let mut search_path = vec![];
for dir in self.native_dirs.iter() {
let dir = match dir.to_str() {
Some(s) => {
let mut parts = s.splitn(2, '=');
match (parts.next(), parts.next()) {
(Some("native"), Some(path)) |
(Some("crate"), Some(path)) |
(Some("dependency"), Some(path)) |
(Some("framework"), Some(path)) |
(Some("all"), Some(path)) => path.into(),
_ => dir.clone(),
}
}
None => dir.clone(),
};
if dir.starts_with(&self.root_output) {
search_path.push(dir);
}
}
search_path.push(self.root_output.clone());
search_path.push(self.deps_output.clone());
search_path
};
search_path.extend(util::dylib_path().into_iter());
let search_path = join_paths(&search_path, util::dylib_path_envvar())?;
cmd.env(util::dylib_path_envvar(), &search_path);
if let Some(env) = self.extra_env.get(pkg.package_id()) {
for &(ref k, ref v) in env {
cmd.env(k, v);
}
}
let metadata = pkg.manifest().metadata();
let cargo_exe = self.config.cargo_exe()?;
cmd.env(::CARGO_ENV, cargo_exe);
cmd.env("CARGO_MANIFEST_DIR", pkg.root())
.env("CARGO_PKG_VERSION_MAJOR", &pkg.version().major.to_string())
.env("CARGO_PKG_VERSION_MINOR", &pkg.version().minor.to_string())
.env("CARGO_PKG_VERSION_PATCH", &pkg.version().patch.to_string())
.env("CARGO_PKG_VERSION_PRE", &pre_version_component(pkg.version()))
.env("CARGO_PKG_VERSION", &pkg.version().to_string())
.env("CARGO_PKG_NAME", &pkg.name())
.env("CARGO_PKG_DESCRIPTION", metadata.description.as_ref().unwrap_or(&String::new()))
.env("CARGO_PKG_HOMEPAGE", metadata.homepage.as_ref().unwrap_or(&String::new()))
.env("CARGO_PKG_AUTHORS", &pkg.authors().join(":"))
.cwd(pkg.root());
Ok(cmd)
}
}
fn pre_version_component(v: &Version) -> String {
if v.pre.is_empty() {
return String::new();
}
let mut ret = String::new();
for (i, x) in v.pre.iter().enumerate() {
if i != 0 { ret.push('.') };
ret.push_str(&x.to_string());
}
ret
}