From fcd615e4b76264b4fff7b5be454787bb6a4252ea Mon Sep 17 00:00:00 2001
From: Florian Diebold <flodiebold@gmail.com>
Date: Tue, 5 Feb 2019 23:10:49 +0100
Subject: Extract project model to separate crate

---
 crates/ra_lsp_server/src/project_model/sysroot.rs | 137 ----------------------
 1 file changed, 137 deletions(-)
 delete mode 100644 crates/ra_lsp_server/src/project_model/sysroot.rs

(limited to 'crates/ra_lsp_server/src/project_model/sysroot.rs')

diff --git a/crates/ra_lsp_server/src/project_model/sysroot.rs b/crates/ra_lsp_server/src/project_model/sysroot.rs
deleted file mode 100644
index 49210ac7a..000000000
--- a/crates/ra_lsp_server/src/project_model/sysroot.rs
+++ /dev/null
@@ -1,137 +0,0 @@
-use std::{
-    path::{Path, PathBuf},
-    process::Command,
-};
-
-use ra_syntax::SmolStr;
-use ra_arena::{Arena, RawId, impl_arena_id};
-
-use crate::Result;
-
-#[derive(Debug, Clone)]
-pub struct Sysroot {
-    crates: Arena<SysrootCrate, SysrootCrateData>,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct SysrootCrate(RawId);
-impl_arena_id!(SysrootCrate);
-
-#[derive(Debug, Clone)]
-struct SysrootCrateData {
-    name: SmolStr,
-    root: PathBuf,
-    deps: Vec<SysrootCrate>,
-}
-
-impl Sysroot {
-    pub(crate) fn std(&self) -> Option<SysrootCrate> {
-        self.by_name("std")
-    }
-
-    pub(crate) fn crates<'a>(&'a self) -> impl Iterator<Item = SysrootCrate> + 'a {
-        self.crates.iter().map(|(id, _data)| id)
-    }
-
-    pub(super) fn discover(cargo_toml: &Path) -> Result<Sysroot> {
-        let rustc_output = Command::new("rustc")
-            .current_dir(cargo_toml.parent().unwrap())
-            .args(&["--print", "sysroot"])
-            .output()?;
-        if !rustc_output.status.success() {
-            failure::bail!("failed to locate sysroot")
-        }
-        let stdout = String::from_utf8(rustc_output.stdout)?;
-        let sysroot_path = Path::new(stdout.trim());
-        let src = sysroot_path.join("lib/rustlib/src/rust/src");
-        if !src.exists() {
-            failure::bail!(
-                "can't load standard library from sysroot\n\
-                 {:?}\n\
-                 try running `rustup component add rust-src`",
-                src,
-            );
-        }
-
-        let mut sysroot = Sysroot { crates: Arena::default() };
-        for name in SYSROOT_CRATES.trim().lines() {
-            let root = src.join(format!("lib{}", name)).join("lib.rs");
-            if root.exists() {
-                sysroot.crates.alloc(SysrootCrateData {
-                    name: name.into(),
-                    root,
-                    deps: Vec::new(),
-                });
-            }
-        }
-        if let Some(std) = sysroot.std() {
-            for dep in STD_DEPS.trim().lines() {
-                if let Some(dep) = sysroot.by_name(dep) {
-                    sysroot.crates[std].deps.push(dep)
-                }
-            }
-        }
-        Ok(sysroot)
-    }
-
-    fn by_name(&self, name: &str) -> Option<SysrootCrate> {
-        self.crates.iter().find(|(_id, data)| data.name == name).map(|(id, _data)| id)
-    }
-}
-
-impl SysrootCrate {
-    pub(crate) fn name(self, sysroot: &Sysroot) -> &SmolStr {
-        &sysroot.crates[self].name
-    }
-    pub(crate) fn root(self, sysroot: &Sysroot) -> &Path {
-        sysroot.crates[self].root.as_path()
-    }
-    pub(crate) fn root_dir(self, sysroot: &Sysroot) -> &Path {
-        self.root(sysroot).parent().unwrap()
-    }
-    pub(crate) fn deps<'a>(self, sysroot: &'a Sysroot) -> impl Iterator<Item = SysrootCrate> + 'a {
-        sysroot.crates[self].deps.iter().map(|&it| it)
-    }
-}
-
-const SYSROOT_CRATES: &str = "
-std
-core
-alloc
-collections
-libc
-panic_unwind
-proc_macro
-rustc_unicode
-std_unicode
-test
-alloc_jemalloc
-alloc_system
-compiler_builtins
-getopts
-panic_unwind
-panic_abort
-rand
-term
-unwind
-build_helper
-rustc_asan
-rustc_lsan
-rustc_msan
-rustc_tsan
-syntax";
-
-const STD_DEPS: &str = "
-alloc
-alloc_jemalloc
-alloc_system
-core
-panic_abort
-rand
-compiler_builtins
-unwind
-rustc_asan
-rustc_lsan
-rustc_msan
-rustc_tsan
-build_helper";
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