Add unstable Literal::subspan().
Take 2 of #55971. Still ~wrong, but now with a comment! (and less of a surface) Unblocks #49219.
r? @alexcrichton
To resolve this, we need to update `Cargo.lock`. Luckily, cargo provides a
command to do this easily.
-First, go into the `src/` directory since that is where `Cargo.toml` is in
-the rust repository. Then run, `cargo update -p rustfmt-nightly` to solve
-the problem.
-
```
-$ cd src
$ cargo update -p rustfmt-nightly
```
-This should change the version listed in `src/Cargo.lock` to the new version you updated
+This should change the version listed in `Cargo.lock` to the new version you updated
the submodule to. Running `./x.py build` should work now.
## Writing Documentation
--- /dev/null
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--- /dev/null
+[workspace]
+members = [
+ "src/bootstrap",
+ "src/rustc",
+ "src/libstd",
+ "src/libtest",
+ "src/librustc_codegen_llvm",
+ "src/tools/cargotest",
+ "src/tools/clippy",
+ "src/tools/compiletest",
+ "src/tools/error_index_generator",
+ "src/tools/linkchecker",
+ "src/tools/rustbook",
+ "src/tools/unstable-book-gen",
+ "src/tools/tidy",
+ "src/tools/build-manifest",
+ "src/tools/remote-test-client",
+ "src/tools/remote-test-server",
+ "src/tools/rust-installer",
+ "src/tools/cargo",
+ "src/tools/rustdoc",
+ "src/tools/rls",
+ "src/tools/rustfmt",
+ "src/tools/miri",
+ "src/tools/rustdoc-themes",
+]
+exclude = [
+ "src/tools/rls/test_data",
+]
+
+# Curiously, LLVM 7.0 will segfault if compiled with opt-level=3
+# See issue https://github.com/rust-lang/rust/issues/52378
+[profile.release]
+opt-level = 2
+[profile.bench]
+opt-level = 2
+
+# These options are controlled from our rustc wrapper script, so turn them off
+# here and have them controlled elsewhere.
+[profile.dev]
+debug = false
+debug-assertions = false
+[profile.test]
+debug = false
+debug-assertions = false
+
+# We want the RLS to use the version of Cargo that we've got vendored in this
+# repository to ensure that the same exact version of Cargo is used by both the
+# RLS and the Cargo binary itself. The RLS depends on Cargo as a git repository
+# so we use a `[patch]` here to override the github repository with our local
+# vendored copy.
+[patch."https://github.com/rust-lang/cargo"]
+cargo = { path = "src/tools/cargo" }
+
+[patch.crates-io]
+# Similar to Cargo above we want the RLS to use a vendored version of `rustfmt`
+# that we're shipping as well (to ensure that the rustfmt in RLS and the
+# `rustfmt` executable are the same exact version).
+rustfmt-nightly = { path = "src/tools/rustfmt" }
+
+# See comments in `src/tools/rustc-workspace-hack/README.md` for what's going on
+# here
+rustc-workspace-hack = { path = 'src/tools/rustc-workspace-hack' }
+
+[patch."https://github.com/rust-lang-nursery/rust-clippy"]
+clippy_lints = { path = "src/tools/clippy/clippy_lints" }
+rustc_tools_util = { path = "src/tools/clippy/rustc_tools_util" }
+++ /dev/null
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-"checksum smallvec 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "153ffa32fd170e9944f7e0838edf824a754ec4c1fc64746fcc9fe1f8fa602e5d"
-"checksum socket2 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "c4d11a52082057d87cb5caa31ad812f4504b97ab44732cd8359df2e9ff9f48e7"
-"checksum stable_deref_trait 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ffbc596e092fe5f598b12ef46cc03754085ac2f4d8c739ad61c4ae266cc3b3fa"
-"checksum string_cache 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "25d70109977172b127fe834e5449e5ab1740b9ba49fa18a2020f509174f25423"
-"checksum string_cache_codegen 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "35293b05cf1494e8ddd042a7df6756bf18d07f42d234f32e71dce8a7aabb0191"
-"checksum string_cache_shared 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b1884d1bc09741d466d9b14e6d37ac89d6909cbcac41dd9ae982d4d063bbedfc"
-"checksum strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4f380125926a99e52bc279241539c018323fab05ad6368b56f93d9369ff550"
-"checksum strum 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "099e21b5dd6dd07b5adcf8c4b723a7c0b7efd7a9359bf963d58c0caae8532545"
-"checksum strum_macros 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1292d85e688e4696ecb69b2db2648994fb8af266974e89be53cefdf003861a5d"
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-"checksum syn 0.14.9 (registry+https://github.com/rust-lang/crates.io-index)" = "261ae9ecaa397c42b960649561949d69311f08eeaea86a65696e6e46517cf741"
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-"checksum synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a393066ed9010ebaed60b9eafa373d4b1baac186dd7e008555b0f702b51945b6"
-"checksum synstructure 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "85bb9b7550d063ea184027c9b8c20ac167cd36d3e06b3a40bceb9d746dc1a7b7"
-"checksum tar 0.4.19 (registry+https://github.com/rust-lang/crates.io-index)" = "69e16840a1e0a1f1a880b739ef1cc6a4b85496c99b8aa786ccffce6e0c15624c"
-"checksum tempfile 3.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c4b103c6d08d323b92ff42c8ce62abcd83ca8efa7fd5bf7927efefec75f58c76"
-"checksum tendril 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9de21546595a0873061940d994bbbc5c35f024ae4fd61ec5c5b159115684f508"
-"checksum term 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5e6b677dd1e8214ea1ef4297f85dbcbed8e8cdddb561040cc998ca2551c37561"
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-"checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
-"checksum textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "307686869c93e71f94da64286f9a9524c0f308a9e1c87a583de8e9c9039ad3f6"
-"checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
-"checksum time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)" = "d825be0eb33fda1a7e68012d51e9c7f451dc1a69391e7fdc197060bb8c56667b"
-"checksum toml 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "a0263c6c02c4db6c8f7681f9fd35e90de799ebd4cfdeab77a38f4ff6b3d8c0d9"
-"checksum toml-query 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6854664bfc6df0360c695480836ee90e2d0c965f06db291d10be9344792d43e8"
-"checksum ucd-util 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fd2be2d6639d0f8fe6cdda291ad456e23629558d466e2789d2c3e9892bda285d"
-"checksum unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
-"checksum unicode-normalization 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "6a0180bc61fc5a987082bfa111f4cc95c4caff7f9799f3e46df09163a937aa25"
-"checksum unicode-segmentation 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "aa6024fc12ddfd1c6dbc14a80fa2324d4568849869b779f6bd37e5e4c03344d1"
-"checksum unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "882386231c45df4700b275c7ff55b6f3698780a650026380e72dabe76fa46526"
-"checksum unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
-"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
-"checksum unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
-"checksum url 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2a321979c09843d272956e73700d12c4e7d3d92b2ee112b31548aef0d4efc5a6"
-"checksum url_serde 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "74e7d099f1ee52f823d4bdd60c93c3602043c728f5db3b97bdb548467f7bddea"
-"checksum utf-8 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f1262dfab4c30d5cb7c07026be00ee343a6cf5027fdc0104a9160f354e5db75c"
-"checksum utf8-ranges 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fd70f467df6810094968e2fce0ee1bd0e87157aceb026a8c083bcf5e25b9efe4"
-"checksum vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "def296d3eb3b12371b2c7d0e83bfe1403e4db2d7a0bba324a12b21c4ee13143d"
-"checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
-"checksum vergen 3.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1b9696d96ec5d68984d060af80d7ba0ed4eb533978a0efb05ed4b8465f20d04f"
-"checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
-"checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
-"checksum wait-timeout 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "b9f3bf741a801531993db6478b95682117471f76916f5e690dd8d45395b09349"
-"checksum walkdir 2.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "af464bc7be7b785c7ac72e266a6b67c4c9070155606f51655a650a6686204e35"
-"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
-"checksum winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "92c1eb33641e276cfa214a0522acad57be5c56b10cb348b3c5117db75f3ac4b0"
-"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
-"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-"checksum winapi-util 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "afc5508759c5bf4285e61feb862b6083c8480aec864fa17a81fdec6f69b461ab"
-"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-"checksum wincolor 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "561ed901ae465d6185fa7864d63fbd5720d0ef718366c9a4dc83cf6170d7e9ba"
-"checksum xattr 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "244c3741f4240ef46274860397c7c74e50eb23624996930e484c16679633a54c"
-"checksum xz2 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "df8bf41d3030c3577c9458fd6640a05afbf43b150d0b531b16bd77d3f794f27a"
-"checksum yaml-rust 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e66366e18dc58b46801afbf2ca7661a9f59cc8c5962c29892b6039b4f86fa992"
+++ /dev/null
-[workspace]
-members = [
- "bootstrap",
- "rustc",
- "libstd",
- "libtest",
- "librustc_codegen_llvm",
- "tools/cargotest",
- "tools/clippy",
- "tools/compiletest",
- "tools/error_index_generator",
- "tools/linkchecker",
- "tools/rustbook",
- "tools/unstable-book-gen",
- "tools/tidy",
- "tools/build-manifest",
- "tools/remote-test-client",
- "tools/remote-test-server",
- "tools/rust-installer",
- "tools/cargo",
- "tools/rustdoc",
- "tools/rls",
- "tools/rustfmt",
- "tools/miri",
- "tools/rustdoc-themes",
-]
-exclude = [
- "tools/rls/test_data",
-]
-
-# Curiously, LLVM 7.0 will segfault if compiled with opt-level=3
-# See issue https://github.com/rust-lang/rust/issues/52378
-[profile.release]
-opt-level = 2
-[profile.bench]
-opt-level = 2
-
-# These options are controlled from our rustc wrapper script, so turn them off
-# here and have them controlled elsewhere.
-[profile.dev]
-debug = false
-debug-assertions = false
-[profile.test]
-debug = false
-debug-assertions = false
-
-# We want the RLS to use the version of Cargo that we've got vendored in this
-# repository to ensure that the same exact version of Cargo is used by both the
-# RLS and the Cargo binary itself. The RLS depends on Cargo as a git repository
-# so we use a `[patch]` here to override the github repository with our local
-# vendored copy.
-[patch."https://github.com/rust-lang/cargo"]
-cargo = { path = "tools/cargo" }
-
-[patch.crates-io]
-# Similar to Cargo above we want the RLS to use a vendored version of `rustfmt`
-# that we're shipping as well (to ensure that the rustfmt in RLS and the
-# `rustfmt` executable are the same exact version).
-rustfmt-nightly = { path = "tools/rustfmt" }
-
-# See comments in `tools/rustc-workspace-hack/README.md` for what's going on
-# here
-rustc-workspace-hack = { path = 'tools/rustc-workspace-hack' }
-
-[patch."https://github.com/rust-lang-nursery/rust-clippy"]
-clippy_lints = { path = "tools/clippy/clippy_lints" }
-rustc_tools_util = { path = "tools/clippy/rustc_tools_util" }
registry = 'https://example.com'
[source.vendored-sources]
- directory = '{}/src/vendor'
+ directory = '{}/vendor'
""".format(build.rust_root))
else:
if os.path.exists('.cargo'):
t!(fs::create_dir_all(&dst_src));
let src_files = [
- "src/Cargo.lock",
+ "Cargo.lock",
];
// This is the reduced set of paths which will become the rust-src component
// (essentially libstd and all of its path dependencies)
"configure",
"x.py",
"config.toml.example",
+ "Cargo.toml",
+ "Cargo.lock",
];
let src_dirs = [
"src",
// Vendor all Cargo dependencies
let mut cmd = Command::new(&builder.initial_cargo);
cmd.arg("vendor")
- .current_dir(&plain_dst_src.join("src"));
+ .current_dir(&plain_dst_src);
builder.run(&mut cmd);
}
let compiler = self.compiler;
let target = self.target;
let name = self.name;
- // build book first edition
+
+ // build book
builder.ensure(Rustbook {
target,
- name: INTERNER.intern_string(format!("{}/first-edition", name)),
+ name: INTERNER.intern_string(name.to_string()),
});
- // build book second edition
+ // building older edition redirects
+
+ let source_name = format!("{}/first-edition", name);
builder.ensure(Rustbook {
target,
- name: INTERNER.intern_string(format!("{}/second-edition", name)),
+ name: INTERNER.intern_string(source_name),
});
- // build book 2018 edition
+ let source_name = format!("{}/second-edition", name);
builder.ensure(Rustbook {
target,
- name: INTERNER.intern_string(format!("{}/2018-edition", name)),
+ name: INTERNER.intern_string(source_name),
+ });
+
+ let source_name = format!("{}/2018-edition", name);
+ builder.ensure(Rustbook {
+ target,
+ name: INTERNER.intern_string(source_name),
});
// build the version info page and CSS
target,
});
- // build the index page
- let index = format!("{}/index.md", name);
- builder.info(&format!("Documenting book index ({})", target));
- invoke_rustdoc(builder, compiler, target, &index);
-
// build the redirect pages
builder.info(&format!("Documenting book redirect pages ({})", target));
for file in t!(fs::read_dir(builder.src.join("src/doc/book/redirects"))) {
.arg("generate-lockfile")
.arg("--manifest-path")
.arg(&toml)
+ .env("__CARGO_TEST_ROOT", &dir)
.current_dir(&dir),
);
}
use compile;
use native;
use channel::GitInfo;
+use channel;
use cache::Interned;
use toolstate::ToolState;
cargo.env("CFG_RELEASE_CHANNEL", &builder.config.channel);
cargo.env("CFG_VERSION", builder.rust_version());
+ cargo.env("CFG_RELEASE_NUM", channel::CFG_RELEASE_NUM);
let info = GitInfo::new(&builder.config, &dir);
if let Some(sha) = info.sha() {
}
macro_rules! tool {
- ($($name:ident, $path:expr, $tool_name:expr, $mode:expr
- $(,llvm_tools = $llvm:expr)* $(,is_external_tool = $external:expr)*;)+) => {
+ ($(
+ $name:ident, $path:expr, $tool_name:expr, $mode:expr
+ $(,llvm_tools = $llvm:expr)*
+ $(,is_external_tool = $external:expr)*
+ $(,cargo_test_root = $cargo_test_root:expr)*
+ ;
+ )+) => {
#[derive(Copy, PartialEq, Eq, Clone)]
pub enum Tool {
$(
$(Tool::$name => false $(|| $llvm)*,)+
}
}
+
+ /// Whether this tool requires may run Cargo for test crates,
+ /// which currently needs setting the environment variable
+ /// `__CARGO_TEST_ROOT` to separate it from the workspace.
+ pub fn needs_cargo_test_root(&self) -> bool {
+ match self {
+ $(Tool::$name => false $(|| $cargo_test_root)*,)+
+ }
+ }
}
impl<'a> Builder<'a> {
UnstableBookGen, "src/tools/unstable-book-gen", "unstable-book-gen", Mode::ToolBootstrap;
Tidy, "src/tools/tidy", "tidy", Mode::ToolBootstrap;
Linkchecker, "src/tools/linkchecker", "linkchecker", Mode::ToolBootstrap;
- CargoTest, "src/tools/cargotest", "cargotest", Mode::ToolBootstrap;
- Compiletest, "src/tools/compiletest", "compiletest", Mode::ToolBootstrap, llvm_tools = true;
+ CargoTest, "src/tools/cargotest", "cargotest", Mode::ToolBootstrap, cargo_test_root = true;
+ Compiletest, "src/tools/compiletest", "compiletest", Mode::ToolBootstrap,
+ llvm_tools = true, cargo_test_root = true;
BuildManifest, "src/tools/build-manifest", "build-manifest", Mode::ToolBootstrap;
RemoteTestClient, "src/tools/remote-test-client", "remote-test-client", Mode::ToolBootstrap;
RustInstaller, "src/tools/rust-installer", "fabricate", Mode::ToolBootstrap,
}
}
+ // Set `__CARGO_TEST_ROOT` to the build directory if needed.
+ if tool.needs_cargo_test_root() {
+ cmd.env("__CARGO_TEST_ROOT", &self.config.out);
+ }
+
add_lib_path(lib_paths, cmd);
}
}
included="src/llvm src/llvm-emscripten src/doc/book src/doc/rust-by-example"
+included="$included src/tools/lld src/tools/clang src/tools/lldb"
modules="$(git config --file .gitmodules --get-regexp '\.path$' | cut -d' ' -f2)"
modules=($modules)
use_git=""
-Subproject commit e871c4598925594421d63e929fee292e6e071f97
+Subproject commit 616fe4172b688393aeee5f34935cc25733c9c062
-Subproject commit 7f7a597b47ed6c35c2a0f0ee6a69050fe2d5e013
+Subproject commit f8a4e96feb2e5a6ed1ef170ad40e3509a7755cb4
-Subproject commit b9fb838054b8441223c22eeae5b6d8e498071cd0
+Subproject commit 60077efda319c95a89fe39609803c5433567adbf
-Subproject commit bc342a475c09b6df8004d518382e6d5b6bcb49f7
+Subproject commit 2ce92beabb912d417a7314d6da83ac9b50dc2afb
The RFC is: [rfc#1576].
-With this feature gate enabled, the [list of fragment specifiers][frags] gains one more entry:
+With this feature gate enabled, the [list of designators] gains one more entry:
* `literal`: a literal. Examples: 2, "string", 'c'
[rfc#1576]: http://rust-lang.github.io/rfcs/1576-macros-literal-matcher.html
[#35625]: https://github.com/rust-lang/rust/issues/35625
-[frags]: ../book/first-edition/macros.html#syntactic-requirements
+[list of designators]: ../reference/macros-by-example.html
------------------------
## Tips and tricks
-Some of the [macro debugging tips](../book/first-edition/macros.html#debugging-macro-code) are applicable.
-
You can use `syntax::parse` to turn token trees into
higher-level syntax elements like expressions:
if sys.version_info[0] >= 3:
xrange = range
+rust_enabled = 'set language rust' in gdb.execute('complete set language ru', to_string = True)
+
#===============================================================================
# GDB Pretty Printing Module for Rust
#===============================================================================
val = GdbValue(gdb_val)
type_kind = val.type.get_type_kind()
- if type_kind == rustpp.TYPE_KIND_EMPTY:
- return RustEmptyPrinter(val)
-
- if type_kind == rustpp.TYPE_KIND_REGULAR_STRUCT:
- return RustStructPrinter(val,
- omit_first_field = False,
- omit_type_name = False,
- is_tuple_like = False)
-
- if type_kind == rustpp.TYPE_KIND_STRUCT_VARIANT:
- return RustStructPrinter(val,
- omit_first_field = True,
- omit_type_name = False,
- is_tuple_like = False)
-
if type_kind == rustpp.TYPE_KIND_SLICE:
return RustSlicePrinter(val)
- if type_kind == rustpp.TYPE_KIND_STR_SLICE:
- return RustStringSlicePrinter(val)
-
if type_kind == rustpp.TYPE_KIND_STD_VEC:
return RustStdVecPrinter(val)
if type_kind == rustpp.TYPE_KIND_OS_STRING:
return RustOsStringPrinter(val)
+ # Checks after this point should only be for "compiler" types --
+ # things that gdb's Rust language support knows about.
+ if rust_enabled:
+ return None
+
+ if type_kind == rustpp.TYPE_KIND_EMPTY:
+ return RustEmptyPrinter(val)
+
+ if type_kind == rustpp.TYPE_KIND_REGULAR_STRUCT:
+ return RustStructPrinter(val,
+ omit_first_field = False,
+ omit_type_name = False,
+ is_tuple_like = False)
+
+ if type_kind == rustpp.TYPE_KIND_STRUCT_VARIANT:
+ return RustStructPrinter(val,
+ omit_first_field = True,
+ omit_type_name = False,
+ is_tuple_like = False)
+
+ if type_kind == rustpp.TYPE_KIND_STR_SLICE:
+ return RustStringSlicePrinter(val)
+
if type_kind == rustpp.TYPE_KIND_TUPLE:
return RustStructPrinter(val,
omit_first_field = False,
def to_string(self):
(tail, head, data_ptr, cap) = \
rustpp.extract_tail_head_ptr_and_cap_from_std_vecdeque(self.__val)
+ if head >= tail:
+ size = head - tail
+ else:
+ size = cap + head - tail
return (self.__val.type.get_unqualified_type_name() +
- ("(len: %i, cap: %i)" % (head - tail, cap)))
+ ("(len: %i, cap: %i)" % (size, cap)))
def children(self):
(tail, head, data_ptr, cap) = \
rustpp.extract_tail_head_ptr_and_cap_from_std_vecdeque(self.__val)
gdb_ptr = data_ptr.get_wrapped_value()
- for index in xrange(tail, head):
- yield (str(index), (gdb_ptr + index).dereference())
+ if head >= tail:
+ size = head - tail
+ else:
+ size = cap + head - tail
+ for index in xrange(0, size):
+ yield (str(index), (gdb_ptr + ((tail + index) % cap)).dereference())
class RustStdBTreeSetPrinter(object):
//!
//! `Rc<T>` automatically dereferences to `T` (via the [`Deref`] trait),
//! so you can call `T`'s methods on a value of type [`Rc<T>`][`Rc`]. To avoid name
-//! clashes with `T`'s methods, the methods of [`Rc<T>`][`Rc`] itself are [associated
-//! functions][assoc], called using function-like syntax:
+//! clashes with `T`'s methods, the methods of [`Rc<T>`][`Rc`] itself are associated
+//! functions, called using function-like syntax:
//!
//! ```
//! use std::rc::Rc;
//! [downgrade]: struct.Rc.html#method.downgrade
//! [upgrade]: struct.Weak.html#method.upgrade
//! [`None`]: ../../std/option/enum.Option.html#variant.None
-//! [assoc]: ../../book/first-edition/method-syntax.html#associated-functions
//! [mutability]: ../../std/cell/index.html#introducing-mutability-inside-of-something-immutable
#![stable(feature = "rust1", since = "1.0.0")]
///
/// This sort is stable (i.e. does not reorder equal elements) and `O(n log n)` worst-case.
///
+ /// The comparator function must define a total ordering for the elements in the slice. If
+ /// the ordering is not total, the order of the elements is unspecified. An order is a
+ /// total order if it is (for all a, b and c):
+ ///
+ /// * total and antisymmetric: exactly one of a < b, a == b or a > b is true; and
+ /// * transitive, a < b and b < c implies a < c. The same must hold for both == and >.
+ ///
+ /// For example, while [`f64`] doesn't implement [`Ord`] because `NaN != NaN`, we can use
+ /// `partial_cmp` as our sort function when we know the slice doesn't contain a `NaN`.
+ ///
+ /// ```
+ /// let mut floats = [5f64, 4.0, 1.0, 3.0, 2.0];
+ /// floats.sort_by(|a, b| a.partial_cmp(b).unwrap());
+ /// assert_eq!(floats, [1.0, 2.0, 3.0, 4.0, 5.0]);
+ /// ```
+ ///
/// When applicable, unstable sorting is preferred because it is generally faster than stable
/// sorting and it doesn't allocate auxiliary memory.
/// See [`sort_unstable_by`](#method.sort_unstable_by).
///
/// `Arc<T>` automatically dereferences to `T` (via the [`Deref`][deref] trait),
/// so you can call `T`'s methods on a value of type `Arc<T>`. To avoid name
-/// clashes with `T`'s methods, the methods of `Arc<T>` itself are [associated
-/// functions][assoc], called using function-like syntax:
+/// clashes with `T`'s methods, the methods of `Arc<T>` itself are associated
+/// functions, called using function-like syntax:
///
/// ```
/// use std::sync::Arc;
/// [downgrade]: struct.Arc.html#method.downgrade
/// [upgrade]: struct.Weak.html#method.upgrade
/// [`None`]: ../../std/option/enum.Option.html#variant.None
-/// [assoc]: ../../book/first-edition/method-syntax.html#associated-functions
/// [`RefCell<T>`]: ../../std/cell/struct.RefCell.html
/// [`std::sync`]: ../../std/sync/index.html
/// [`Arc::clone(&from)`]: #method.clone
//!
//! // Logger function for any type that implements Debug.
//! fn log<T: Any + Debug>(value: &T) {
-//! let value_any = value as &Any;
+//! let value_any = value as &dyn Any;
//!
//! // try to convert our value to a String. If successful, we want to
//! // output the String's length as well as its value. If not, it's a
///
/// use std::any::{Any, TypeId};
///
- /// fn is_string(s: &Any) -> bool {
+ /// fn is_string(s: &dyn Any) -> bool {
/// TypeId::of::<String>() == s.get_type_id()
/// }
///
/// ```
/// use std::any::Any;
///
- /// fn is_string(s: &Any) {
+ /// fn is_string(s: &dyn Any) {
/// if s.is::<String>() {
/// println!("It's a string!");
/// } else {
/// ```
/// use std::any::Any;
///
- /// fn print_if_string(s: &Any) {
+ /// fn print_if_string(s: &dyn Any) {
/// if let Some(string) = s.downcast_ref::<String>() {
/// println!("It's a string({}): '{}'", string.len(), string);
/// } else {
/// ```
/// use std::any::Any;
///
- /// fn modify_if_u32(s: &mut Any) {
+ /// fn modify_if_u32(s: &mut dyn Any) {
/// if let Some(num) = s.downcast_mut::<u32>() {
/// *num = 42;
/// }
/// ```
/// use std::any::Any;
///
- /// fn is_string(s: &(Any + Send)) {
+ /// fn is_string(s: &(dyn Any + Send)) {
/// if s.is::<String>() {
/// println!("It's a string!");
/// } else {
/// ```
/// use std::any::Any;
///
- /// fn print_if_string(s: &(Any + Send)) {
+ /// fn print_if_string(s: &(dyn Any + Send)) {
/// if let Some(string) = s.downcast_ref::<String>() {
/// println!("It's a string({}): '{}'", string.len(), string);
/// } else {
/// ```
/// use std::any::Any;
///
- /// fn modify_if_u32(s: &mut (Any + Send)) {
+ /// fn modify_if_u32(s: &mut (dyn Any + Send)) {
/// if let Some(num) = s.downcast_mut::<u32>() {
/// *num = 42;
/// }
/// ```
/// use std::any::Any;
///
- /// fn is_string(s: &(Any + Send + Sync)) {
+ /// fn is_string(s: &(dyn Any + Send + Sync)) {
/// if s.is::<String>() {
/// println!("It's a string!");
/// } else {
/// ```
/// use std::any::Any;
///
- /// fn print_if_string(s: &(Any + Send + Sync)) {
+ /// fn print_if_string(s: &(dyn Any + Send + Sync)) {
/// if let Some(string) = s.downcast_ref::<String>() {
/// println!("It's a string({}): '{}'", string.len(), string);
/// } else {
/// ```
/// use std::any::Any;
///
- /// fn modify_if_u32(s: &mut (Any + Send + Sync)) {
+ /// fn modify_if_u32(s: &mut (dyn Any + Send + Sync)) {
/// if let Some(num) = s.downcast_mut::<u32>() {
/// *num = 42;
/// }
mod flt2dec;
mod dec2flt;
+
+use test::Bencher;
+use std::str::FromStr;
+
+const ASCII_NUMBERS: [&str; 19] = [
+ "0",
+ "1",
+ "2",
+ "43",
+ "765",
+ "76567",
+ "987245987",
+ "-4aa32",
+ "1786235",
+ "8723095",
+ "f##5s",
+ "83638730",
+ "-2345",
+ "562aa43",
+ "-1",
+ "-0",
+ "abc",
+ "xyz",
+ "c0ffee",
+];
+
+macro_rules! from_str_bench {
+ ($mac:ident, $t:ty) => (
+ #[bench]
+ fn $mac(b: &mut Bencher) {
+ b.iter(|| {
+ ASCII_NUMBERS
+ .iter()
+ .cycle()
+ .take(5_000)
+ .filter_map(|s| <($t)>::from_str(s).ok())
+ .max()
+ })
+ }
+ )
+}
+
+macro_rules! from_str_radix_bench {
+ ($mac:ident, $t:ty, $radix:expr) => (
+ #[bench]
+ fn $mac(b: &mut Bencher) {
+ b.iter(|| {
+ ASCII_NUMBERS
+ .iter()
+ .cycle()
+ .take(5_000)
+ .filter_map(|s| <($t)>::from_str_radix(s, $radix).ok())
+ .max()
+ })
+ }
+ )
+}
+
+from_str_bench!(bench_u8_from_str, u8);
+from_str_radix_bench!(bench_u8_from_str_radix_2, u8, 2);
+from_str_radix_bench!(bench_u8_from_str_radix_10, u8, 10);
+from_str_radix_bench!(bench_u8_from_str_radix_16, u8, 16);
+from_str_radix_bench!(bench_u8_from_str_radix_36, u8, 36);
+
+from_str_bench!(bench_u16_from_str, u16);
+from_str_radix_bench!(bench_u16_from_str_radix_2, u16, 2);
+from_str_radix_bench!(bench_u16_from_str_radix_10, u16, 10);
+from_str_radix_bench!(bench_u16_from_str_radix_16, u16, 16);
+from_str_radix_bench!(bench_u16_from_str_radix_36, u16, 36);
+
+from_str_bench!(bench_u32_from_str, u32);
+from_str_radix_bench!(bench_u32_from_str_radix_2, u32, 2);
+from_str_radix_bench!(bench_u32_from_str_radix_10, u32, 10);
+from_str_radix_bench!(bench_u32_from_str_radix_16, u32, 16);
+from_str_radix_bench!(bench_u32_from_str_radix_36, u32, 36);
+
+from_str_bench!(bench_u64_from_str, u64);
+from_str_radix_bench!(bench_u64_from_str_radix_2, u64, 2);
+from_str_radix_bench!(bench_u64_from_str_radix_10, u64, 10);
+from_str_radix_bench!(bench_u64_from_str_radix_16, u64, 16);
+from_str_radix_bench!(bench_u64_from_str_radix_36, u64, 36);
+
+from_str_bench!(bench_i8_from_str, i8);
+from_str_radix_bench!(bench_i8_from_str_radix_2, i8, 2);
+from_str_radix_bench!(bench_i8_from_str_radix_10, i8, 10);
+from_str_radix_bench!(bench_i8_from_str_radix_16, i8, 16);
+from_str_radix_bench!(bench_i8_from_str_radix_36, i8, 36);
+
+from_str_bench!(bench_i16_from_str, i16);
+from_str_radix_bench!(bench_i16_from_str_radix_2, i16, 2);
+from_str_radix_bench!(bench_i16_from_str_radix_10, i16, 10);
+from_str_radix_bench!(bench_i16_from_str_radix_16, i16, 16);
+from_str_radix_bench!(bench_i16_from_str_radix_36, i16, 36);
+
+from_str_bench!(bench_i32_from_str, i32);
+from_str_radix_bench!(bench_i32_from_str_radix_2, i32, 2);
+from_str_radix_bench!(bench_i32_from_str_radix_10, i32, 10);
+from_str_radix_bench!(bench_i32_from_str_radix_16, i32, 16);
+from_str_radix_bench!(bench_i32_from_str_radix_36, i32, 36);
+
+from_str_bench!(bench_i64_from_str, i64);
+from_str_radix_bench!(bench_i64_from_str_radix_2, i64, 2);
+from_str_radix_bench!(bench_i64_from_str_radix_10, i64, 10);
+from_str_radix_bench!(bench_i64_from_str_radix_16, i64, 16);
+from_str_radix_bench!(bench_i64_from_str_radix_36, i64, 36);
/// Converts a `u32` to a `char`.
///
/// Note that all [`char`]s are valid [`u32`]s, and can be cast to one with
-/// [`as`]:
+/// `as`:
///
/// ```
/// let c = '💯';
///
/// [`char`]: ../../std/primitive.char.html
/// [`u32`]: ../../std/primitive.u32.html
-/// [`as`]: ../../book/first-edition/casting-between-types.html#as
///
/// For an unsafe version of this function which ignores these checks, see
/// [`from_u32_unchecked`].
/// Converts a `u32` to a `char`, ignoring validity.
///
/// Note that all [`char`]s are valid [`u32`]s, and can be cast to one with
-/// [`as`]:
+/// `as`:
///
/// ```
/// let c = '💯';
///
/// [`char`]: ../../std/primitive.char.html
/// [`u32`]: ../../std/primitive.u32.html
-/// [`as`]: ../../book/first-edition/casting-between-types.html#as
///
/// # Safety
///
/// If you're doing some sort of looping for a side effect, it's considered
/// more idiomatic to use [`for`] than `map()`.
///
- /// [`for`]: ../../book/first-edition/loops.html#for
+ /// [`for`]: ../../book/ch03-05-control-flow.html#looping-through-a-collection-with-for
///
/// # Examples
///
/// cases `for_each` may also be faster than a loop, because it will use
/// internal iteration on adaptors like `Chain`.
///
- /// [`for`]: ../../book/first-edition/loops.html#for
+ /// [`for`]: ../../book/ch03-05-control-flow.html#looping-through-a-collection-with-for
///
/// # Examples
///
/// use a `for` loop with a list of things to build up a result. Those
/// can be turned into `fold()`s:
///
- /// [`for`]: ../../book/first-edition/loops.html#for
+ /// [`for`]: ../../book/ch03-05-control-flow.html#looping-through-a-collection-with-for
///
/// ```
/// let numbers = [1, 2, 3, 4, 5];
//!
//! // next() is the only required method
//! fn next(&mut self) -> Option<usize> {
-//! // increment our count. This is why we started at zero.
+//! // Increment our count. This is why we started at zero.
//! self.count += 1;
//!
-//! // check to see if we've finished counting or not.
+//! // Check to see if we've finished counting or not.
//! if self.count < 6 {
//! Some(self.count)
//! } else {
pub use self::sources::{Empty, empty};
#[stable(feature = "iter_once", since = "1.2.0")]
pub use self::sources::{Once, once};
+#[unstable(feature = "iter_unfold", issue = "55977")]
+pub use self::sources::{Unfold, unfold, Successors, successors};
#[stable(feature = "rust1", since = "1.0.0")]
pub use self::traits::{FromIterator, IntoIterator, DoubleEndedIterator, Extend};
}
step_impl_unsigned!(usize u8 u16);
-#[cfg(not(target_pointer_witdth = "16"))]
+#[cfg(not(target_pointer_width = "16"))]
step_impl_unsigned!(u32);
-#[cfg(target_pointer_witdth = "16")]
+#[cfg(target_pointer_width = "16")]
step_impl_no_between!(u32);
step_impl_signed!([isize: usize] [i8: u8] [i16: u16]);
-#[cfg(not(target_pointer_witdth = "16"))]
+#[cfg(not(target_pointer_width = "16"))]
step_impl_signed!([i32: u32]);
-#[cfg(target_pointer_witdth = "16")]
+#[cfg(target_pointer_width = "16")]
step_impl_no_between!(i32);
#[cfg(target_pointer_width = "64")]
step_impl_unsigned!(u64);
pub fn once<T>(value: T) -> Once<T> {
Once { inner: Some(value).into_iter() }
}
+
+/// Creates a new iterator where each iteration calls the provided closure
+/// `F: FnMut(&mut St) -> Option<T>`.
+///
+/// This allows creating a custom iterator with any behavior
+/// without using the more verbose syntax of creating a dedicated type
+/// and implementing the `Iterator` trait for it.
+///
+/// In addition to its captures and environment,
+/// the closure is given a mutable reference to some state
+/// that is preserved across iterations.
+/// That state starts as the given `initial_state` value.
+///
+/// Note that the `Unfold` iterator doesn’t make assumptions about the behavior of the closure,
+/// and therefore conservatively does not implement [`FusedIterator`],
+/// or override [`Iterator::size_hint`] from its default `(0, None)`.
+///
+/// [`FusedIterator`]: trait.FusedIterator.html
+/// [`Iterator::size_hint`]: trait.Iterator.html#method.size_hint
+///
+/// # Examples
+///
+/// Let’s re-implement the counter iterator from [module-level documentation]:
+///
+/// [module-level documentation]: index.html
+///
+/// ```
+/// #![feature(iter_unfold)]
+/// let counter = std::iter::unfold(0, |count| {
+/// // Increment our count. This is why we started at zero.
+/// *count += 1;
+///
+/// // Check to see if we've finished counting or not.
+/// if *count < 6 {
+/// Some(*count)
+/// } else {
+/// None
+/// }
+/// });
+/// assert_eq!(counter.collect::<Vec<_>>(), &[1, 2, 3, 4, 5]);
+/// ```
+#[inline]
+#[unstable(feature = "iter_unfold", issue = "55977")]
+pub fn unfold<St, T, F>(initial_state: St, f: F) -> Unfold<St, F>
+ where F: FnMut(&mut St) -> Option<T>
+{
+ Unfold {
+ state: initial_state,
+ f,
+ }
+}
+
+/// An iterator where each iteration calls the provided closure `F: FnMut(&mut St) -> Option<T>`.
+///
+/// This `struct` is created by the [`unfold`] function.
+/// See its documentation for more.
+///
+/// [`unfold`]: fn.unfold.html
+#[derive(Clone)]
+#[unstable(feature = "iter_unfold", issue = "55977")]
+pub struct Unfold<St, F> {
+ state: St,
+ f: F,
+}
+
+#[unstable(feature = "iter_unfold", issue = "55977")]
+impl<St, T, F> Iterator for Unfold<St, F>
+ where F: FnMut(&mut St) -> Option<T>
+{
+ type Item = T;
+
+ #[inline]
+ fn next(&mut self) -> Option<Self::Item> {
+ (self.f)(&mut self.state)
+ }
+}
+
+#[unstable(feature = "iter_unfold", issue = "55977")]
+impl<St: fmt::Debug, F> fmt::Debug for Unfold<St, F> {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ f.debug_struct("Unfold")
+ .field("state", &self.state)
+ .finish()
+ }
+}
+
+/// Creates a new iterator where each successive item is computed based on the preceding one.
+///
+/// The iterator starts with the given first item (if any)
+/// and calls the given `FnMut(&T) -> Option<T>` closure to compute each item’s successor.
+///
+/// ```
+/// #![feature(iter_unfold)]
+/// use std::iter::successors;
+///
+/// let powers_of_10 = successors(Some(1_u16), |n| n.checked_mul(10));
+/// assert_eq!(powers_of_10.collect::<Vec<_>>(), &[1, 10, 100, 1_000, 10_000]);
+/// ```
+#[unstable(feature = "iter_unfold", issue = "55977")]
+pub fn successors<T, F>(first: Option<T>, succ: F) -> Successors<T, F>
+ where F: FnMut(&T) -> Option<T>
+{
+ // If this function returned `impl Iterator<Item=T>`
+ // it could be based on `unfold` and not need a dedicated type.
+ // However having a named `Successors<T, F>` type allows it to be `Clone` when `T` and `F` are.
+ Successors {
+ next: first,
+ succ,
+ }
+}
+
+/// An new iterator where each successive item is computed based on the preceding one.
+///
+/// This `struct` is created by the [`successors`] function.
+/// See its documentation for more.
+///
+/// [`successors`]: fn.successors.html
+#[derive(Clone)]
+#[unstable(feature = "iter_unfold", issue = "55977")]
+pub struct Successors<T, F> {
+ next: Option<T>,
+ succ: F,
+}
+
+#[unstable(feature = "iter_unfold", issue = "55977")]
+impl<T, F> Iterator for Successors<T, F>
+ where F: FnMut(&T) -> Option<T>
+{
+ type Item = T;
+
+ #[inline]
+ fn next(&mut self) -> Option<Self::Item> {
+ self.next.take().map(|item| {
+ self.next = (self.succ)(&item);
+ item
+ })
+ }
+
+ #[inline]
+ fn size_hint(&self) -> (usize, Option<usize>) {
+ if self.next.is_some() {
+ (1, None)
+ } else {
+ (0, Some(0))
+ }
+ }
+}
+
+#[unstable(feature = "iter_unfold", issue = "55977")]
+impl<T, F> FusedIterator for Successors<T, F>
+ where F: FnMut(&T) -> Option<T>
+{}
+
+#[unstable(feature = "iter_unfold", issue = "55977")]
+impl<T: fmt::Debug, F> fmt::Debug for Successors<T, F> {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ f.debug_struct("Successors")
+ .field("next", &self.next)
+ .finish()
+ }
+}
/// [uninit]: fn.uninitialized.html
/// [clone]: ../clone/trait.Clone.html
/// [swap]: fn.swap.html
-/// [FFI]: ../../book/first-edition/ffi.html
/// [box]: ../../std/boxed/struct.Box.html
/// [leak]: ../../std/boxed/struct.Box.html#method.leak
/// [into_raw]: ../../std/boxed/struct.Box.html#method.into_raw
///
/// This has the same effect as allocating space with
/// [`mem::uninitialized`][uninit] and then zeroing it out. It is useful for
-/// [FFI] sometimes, but should generally be avoided.
+/// FFI sometimes, but should generally be avoided.
///
/// There is no guarantee that an all-zero byte-pattern represents a valid value of
/// some type `T`. If `T` has a destructor and the value is destroyed (due to
/// many of the same caveats.
///
/// [uninit]: fn.uninitialized.html
-/// [FFI]: ../../book/first-edition/ffi.html
/// [ub]: ../../reference/behavior-considered-undefined.html
///
/// # Examples
/// **This is incredibly dangerous and should not be done lightly. Deeply
/// consider initializing your memory with a default value instead.**
///
-/// This is useful for [FFI] functions and initializing arrays sometimes,
+/// This is useful for FFI functions and initializing arrays sometimes,
/// but should generally be avoided.
///
-/// [FFI]: ../../book/first-edition/ffi.html
-///
/// # Undefined behavior
///
/// It is [undefined behavior][ub] to read uninitialized memory, even just an
/// While this does call the argument's implementation of [`Drop`][drop],
/// it will not release any borrows, as borrows are based on lexical scope.
///
-/// This effectively does nothing for
-/// [types which implement `Copy`](../../book/first-edition/ownership.html#copy-types),
-/// e.g. integers. Such values are copied and _then_ moved into the function,
-/// so the value persists after this function call.
+/// This effectively does nothing for types which implement `Copy`, e.g.
+/// integers. Such values are copied and _then_ moved into the function, so the
+/// value persists after this function call.
///
/// This function is not magic; it is literally defined as
///
impl<T: ?Sized> Deref for ManuallyDrop<T> {
type Target = T;
#[inline]
- fn deref(&self) -> &Self::Target {
+ fn deref(&self) -> &T {
&self.value
}
}
#[stable(feature = "manually_drop", since = "1.20.0")]
impl<T: ?Sized> DerefMut for ManuallyDrop<T> {
#[inline]
- fn deref_mut(&mut self) -> &mut Self::Target {
+ fn deref_mut(&mut self) -> &mut T {
&mut self.value
}
}
//! [`NonNull::dangling`] in such cases.
//!
//! [aliasing]: ../../nomicon/aliasing.html
-//! [book]: ../../book/second-edition/ch19-01-unsafe-rust.html#dereferencing-a-raw-pointer
+//! [book]: ../../book/ch19-01-unsafe-rust.html#dereferencing-a-raw-pointer
//! [ub]: ../../reference/behavior-considered-undefined.html
//! [null]: ./fn.null.html
//! [zst]: ../../nomicon/exotic-sizes.html#zero-sized-types-zsts
/// The representation of a trait object like `&SomeTrait`.
///
/// This struct has the same layout as types like `&SomeTrait` and
-/// `Box<AnotherTrait>`. The [Trait Objects chapter of the
-/// Book][moreinfo] contains more details about the precise nature of
-/// these internals.
-///
-/// [moreinfo]: ../../book/first-edition/trait-objects.html#representation
+/// `Box<AnotherTrait>`.
///
/// `TraitObject` is guaranteed to match layouts, but it is not the
/// type of trait objects (e.g. the fields are not directly accessible
/// This sort is unstable (i.e. may reorder equal elements), in-place (i.e. does not allocate),
/// and `O(n log n)` worst-case.
///
+ /// The comparator function must define a total ordering for the elements in the slice. If
+ /// the ordering is not total, the order of the elements is unspecified. An order is a
+ /// total order if it is (for all a, b and c):
+ ///
+ /// * total and antisymmetric: exactly one of a < b, a == b or a > b is true; and
+ /// * transitive, a < b and b < c implies a < c. The same must hold for both == and >.
+ ///
+ /// For example, while [`f64`] doesn't implement [`Ord`] because `NaN != NaN`, we can use
+ /// `partial_cmp` as our sort function when we know the slice doesn't contain a `NaN`.
+ ///
+ /// ```
+ /// let mut floats = [5f64, 4.0, 1.0, 3.0, 2.0];
+ /// floats.sort_by(|a, b| a.partial_cmp(b).unwrap());
+ /// assert_eq!(floats, [1.0, 2.0, 3.0, 4.0, 5.0]);
+ /// ```
+ ///
/// # Current implementation
///
/// The current algorithm is based on [pattern-defeating quicksort][pdqsort] by Orson Peters,
assert_eq!(v, vec![1, 2, 4, 8, 16]);
}
+#[test]
+fn test_successors() {
+ let mut powers_of_10 = successors(Some(1_u16), |n| n.checked_mul(10));
+ assert_eq!(powers_of_10.by_ref().collect::<Vec<_>>(), &[1, 10, 100, 1_000, 10_000]);
+ assert_eq!(powers_of_10.next(), None);
+
+ let mut empty = successors(None::<u32>, |_| unimplemented!());
+ assert_eq!(empty.next(), None);
+ assert_eq!(empty.next(), None);
+}
+
#[test]
fn test_fuse() {
let mut it = 0..3;
#![feature(flt2dec)]
#![feature(fmt_internals)]
#![feature(hashmap_internals)]
+#![feature(iter_unfold)]
#![feature(pattern)]
#![feature(range_is_empty)]
#![feature(raw)]
DepGraph {
data: Some(Lrc::new(DepGraphData {
previous_work_products: prev_work_products,
- dep_node_debug: Lock::new(Default::default()),
+ dep_node_debug: Default::default(),
current: Lock::new(CurrentDepGraph::new()),
previous: prev_graph,
colors: Lock::new(DepNodeColorMap::new(prev_graph_node_count)),
- loaded_from_cache: Lock::new(Default::default()),
+ loaded_from_cache: Default::default(),
})),
fingerprints: Lrc::new(Lock::new(fingerprints)),
}
loop_scopes: Vec::new(),
is_in_loop_condition: false,
anonymous_lifetime_mode: AnonymousLifetimeMode::PassThrough,
- type_def_lifetime_params: DefIdMap(),
+ type_def_lifetime_params: Default::default(),
current_hir_id_owner: vec![(CRATE_DEF_INDEX, 0)],
- item_local_id_counters: NodeMap(),
+ item_local_id_counters: Default::default(),
node_id_to_hir_id: IndexVec::new(),
is_generator: false,
is_in_trait_impl: false,
hir::TyKind::BareFn(P(hir::BareFnTy {
generic_params: this.lower_generic_params(
&f.generic_params,
- &NodeMap(),
+ &NodeMap::default(),
ImplTraitContext::disallowed(),
),
unsafety: this.lower_unsafety(f.unsafety),
} else {
self.lower_node_id(segment.id)
};
+ debug!(
+ "lower_path_segment: ident={:?} original-id={:?} new-id={:?}",
+ segment.ident, segment.id, id,
+ );
hir::PathSegment::new(
segment.ident,
// FIXME: This could probably be done with less rightward drift. Also looks like two control
// paths where report_error is called are also the only paths that advance to after
// the match statement, so the error reporting could probably just be moved there.
- let mut add_bounds: NodeMap<Vec<_>> = NodeMap();
+ let mut add_bounds: NodeMap<Vec<_>> = Default::default();
for pred in &generics.where_clause.predicates {
if let WherePredicate::BoundPredicate(ref bound_pred) = *pred {
'next_bound: for bound in &bound_pred.bounds {
hir::WherePredicate::BoundPredicate(hir::WhereBoundPredicate {
bound_generic_params: this.lower_generic_params(
bound_generic_params,
- &NodeMap(),
+ &NodeMap::default(),
ImplTraitContext::disallowed(),
),
bounded_ty: this.lower_ty(bounded_ty, ImplTraitContext::disallowed()),
p: &PolyTraitRef,
mut itctx: ImplTraitContext<'_>,
) -> hir::PolyTraitRef {
- let bound_generic_params =
- self.lower_generic_params(&p.bound_generic_params, &NodeMap(), itctx.reborrow());
+ let bound_generic_params = self.lower_generic_params(
+ &p.bound_generic_params,
+ &NodeMap::default(),
+ itctx.reborrow(),
+ );
let trait_ref = self.with_parent_impl_lifetime_defs(
&bound_generic_params,
|this| this.lower_trait_ref(&p.trait_ref, itctx),
name: &mut Name,
attrs: &hir::HirVec<Attribute>,
) -> hir::ItemKind {
+ debug!("lower_use_tree(tree={:?})", tree);
+ debug!("lower_use_tree: vis = {:?}", vis);
+
let path = &tree.prefix;
let segments = prefix
.segments
hir::VisibilityKind::Inherited => hir::VisibilityKind::Inherited,
hir::VisibilityKind::Restricted { ref path, id: _, hir_id: _ } => {
let id = this.next_id();
- let mut path = path.clone();
- for seg in path.segments.iter_mut() {
- if seg.id.is_some() {
- seg.id = Some(this.next_id().node_id);
- }
- }
+ let path = this.renumber_segment_ids(path);
hir::VisibilityKind::Restricted {
path,
id: id.node_id,
hir::ItemKind::Use(path, hir::UseKind::Glob)
}
UseTreeKind::Nested(ref trees) => {
- // Nested imports are desugared into simple imports.
+ // Nested imports are desugared into simple
+ // imports. So if we start with
+ //
+ // ```
+ // pub(x) use foo::{a, b};
+ // ```
+ //
+ // we will create three items:
+ //
+ // ```
+ // pub(x) use foo::a;
+ // pub(x) use foo::b;
+ // pub(x) use foo::{}; // <-- this is called the `ListStem`
+ // ```
+ //
+ // The first two are produced by recursively invoking
+ // `lower_use_tree` (and indeed there may be things
+ // like `use foo::{a::{b, c}}` and so forth). They
+ // wind up being directly added to
+ // `self.items`. However, the structure of this
+ // function also requires us to return one item, and
+ // for that we return the `{}` import (called the
+ // "`ListStem`").
let prefix = Path {
segments,
hir::VisibilityKind::Inherited => hir::VisibilityKind::Inherited,
hir::VisibilityKind::Restricted { ref path, id: _, hir_id: _ } => {
let id = this.next_id();
+ let path = this.renumber_segment_ids(path);
hir::VisibilityKind::Restricted {
- path: path.clone(),
+ path: path,
id: id.node_id,
hir_id: id.hir_id,
}
});
}
- // Privatize the degenerate import base, used only to check
- // the stability of `use a::{};`, to avoid it showing up as
- // a re-export by accident when `pub`, e.g. in documentation.
+ // Subtle and a bit hacky: we lower the privacy level
+ // of the list stem to "private" most of the time, but
+ // not for "restricted" paths. The key thing is that
+ // we don't want it to stay as `pub` (with no caveats)
+ // because that affects rustdoc and also the lints
+ // about `pub` items. But we can't *always* make it
+ // private -- particularly not for restricted paths --
+ // because it contains node-ids that would then be
+ // unused, failing the check that HirIds are "densely
+ // assigned".
+ match vis.node {
+ hir::VisibilityKind::Public |
+ hir::VisibilityKind::Crate(_) |
+ hir::VisibilityKind::Inherited => {
+ *vis = respan(prefix.span.shrink_to_lo(), hir::VisibilityKind::Inherited);
+ }
+ hir::VisibilityKind::Restricted { .. } => {
+ // do nothing here, as described in the comment on the match
+ }
+ }
+
let def = self.expect_full_def_from_use(id).next().unwrap_or(Def::Err);
let path = P(self.lower_path_extra(def, &prefix, ParamMode::Explicit, None));
- *vis = respan(prefix.span.shrink_to_lo(), hir::VisibilityKind::Inherited);
hir::ItemKind::Use(path, hir::UseKind::ListStem)
}
}
}
+ /// Paths like the visibility path in `pub(super) use foo::{bar, baz}` are repeated
+ /// many times in the HIR tree; for each occurrence, we need to assign distinct
+ /// node-ids. (See e.g. #56128.)
+ fn renumber_segment_ids(&mut self, path: &P<hir::Path>) -> P<hir::Path> {
+ debug!("renumber_segment_ids(path = {:?})", path);
+ let mut path = path.clone();
+ for seg in path.segments.iter_mut() {
+ if seg.id.is_some() {
+ seg.id = Some(self.next_id().node_id);
+ }
+ }
+ path
+ }
+
fn lower_trait_item(&mut self, i: &TraitItem) -> hir::TraitItem {
let LoweredNodeId { node_id, hir_id } = self.lower_node_id(i.id);
let trait_item_def_id = self.resolver.definitions().local_def_id(node_id);
VisibilityKind::Public => hir::VisibilityKind::Public,
VisibilityKind::Crate(sugar) => hir::VisibilityKind::Crate(sugar),
VisibilityKind::Restricted { ref path, id } => {
+ debug!("lower_visibility: restricted path id = {:?}", id);
let lowered_id = if let Some(owner) = explicit_owner {
self.lower_node_id_with_owner(id, owner)
} else {
pub(super) struct NodeCollector<'a, 'hir> {
/// The crate
krate: &'hir Crate,
+
+ /// Source map
+ source_map: &'a SourceMap,
+
/// The node map
map: Vec<Option<Entry<'hir>>>,
/// The parent of this node
pub(super) fn root(krate: &'hir Crate,
dep_graph: &'a DepGraph,
definitions: &'a definitions::Definitions,
- hcx: StableHashingContext<'a>)
+ hcx: StableHashingContext<'a>,
+ source_map: &'a SourceMap)
-> NodeCollector<'a, 'hir> {
let root_mod_def_path_hash = definitions.def_path_hash(CRATE_DEF_INDEX);
let mut collector = NodeCollector {
krate,
+ source_map,
map: vec![],
parent_node: CRATE_NODE_ID,
current_signature_dep_index: root_mod_sig_dep_index,
pub(super) fn finalize_and_compute_crate_hash(mut self,
crate_disambiguator: CrateDisambiguator,
cstore: &dyn CrateStore,
- source_map: &SourceMap,
commandline_args_hash: u64)
-> (Vec<Option<Entry<'hir>>>, Svh)
{
// If we included the full mapping in the SVH, we could only have
// reproducible builds by compiling from the same directory. So we just
// hash the result of the mapping instead of the mapping itself.
- let mut source_file_names: Vec<_> = source_map
+ let mut source_file_names: Vec<_> = self
+ .source_map
.files()
.iter()
.filter(|source_file| CrateNum::from_u32(source_file.crate_of_origin) == LOCAL_CRATE)
self.map[id.as_usize()] = Some(entry);
}
- fn insert(&mut self, id: NodeId, node: Node<'hir>) {
+ fn insert(&mut self, span: Span, id: NodeId, node: Node<'hir>) {
let entry = Entry {
parent: self.parent_node,
dep_node: if self.currently_in_body {
String::new()
};
- bug!("inconsistent DepNode for `{}`: \
- current_dep_node_owner={} ({:?}), hir_id.owner={} ({:?}){}",
+ span_bug!(
+ span,
+ "inconsistent DepNode at `{:?}` for `{}`: \
+ current_dep_node_owner={} ({:?}), hir_id.owner={} ({:?}){}",
+ self.source_map.span_to_string(span),
node_str,
self.definitions
.def_path(self.current_dep_node_owner)
self.current_dep_node_owner,
self.definitions.def_path(hir_id.owner).to_string_no_crate(),
hir_id.owner,
- forgot_str)
+ forgot_str,
+ )
}
}
debug_assert_eq!(i.hir_id.owner,
self.definitions.opt_def_index(i.id).unwrap());
self.with_dep_node_owner(i.hir_id.owner, i, |this| {
- this.insert(i.id, Node::Item(i));
+ this.insert(i.span, i.id, Node::Item(i));
this.with_parent(i.id, |this| {
if let ItemKind::Struct(ref struct_def, _) = i.node {
// If this is a tuple-like struct, register the constructor.
if !struct_def.is_struct() {
- this.insert(struct_def.id(), Node::StructCtor(struct_def));
+ this.insert(i.span, struct_def.id(), Node::StructCtor(struct_def));
}
}
intravisit::walk_item(this, i);
}
fn visit_foreign_item(&mut self, foreign_item: &'hir ForeignItem) {
- self.insert(foreign_item.id, Node::ForeignItem(foreign_item));
+ self.insert(foreign_item.span, foreign_item.id, Node::ForeignItem(foreign_item));
self.with_parent(foreign_item.id, |this| {
intravisit::walk_foreign_item(this, foreign_item);
}
fn visit_generic_param(&mut self, param: &'hir GenericParam) {
- self.insert(param.id, Node::GenericParam(param));
+ self.insert(param.span, param.id, Node::GenericParam(param));
intravisit::walk_generic_param(self, param);
}
debug_assert_eq!(ti.hir_id.owner,
self.definitions.opt_def_index(ti.id).unwrap());
self.with_dep_node_owner(ti.hir_id.owner, ti, |this| {
- this.insert(ti.id, Node::TraitItem(ti));
+ this.insert(ti.span, ti.id, Node::TraitItem(ti));
this.with_parent(ti.id, |this| {
intravisit::walk_trait_item(this, ti);
debug_assert_eq!(ii.hir_id.owner,
self.definitions.opt_def_index(ii.id).unwrap());
self.with_dep_node_owner(ii.hir_id.owner, ii, |this| {
- this.insert(ii.id, Node::ImplItem(ii));
+ this.insert(ii.span, ii.id, Node::ImplItem(ii));
this.with_parent(ii.id, |this| {
intravisit::walk_impl_item(this, ii);
} else {
Node::Pat(pat)
};
- self.insert(pat.id, node);
+ self.insert(pat.span, pat.id, node);
self.with_parent(pat.id, |this| {
intravisit::walk_pat(this, pat);
}
fn visit_anon_const(&mut self, constant: &'hir AnonConst) {
- self.insert(constant.id, Node::AnonConst(constant));
+ self.insert(DUMMY_SP, constant.id, Node::AnonConst(constant));
self.with_parent(constant.id, |this| {
intravisit::walk_anon_const(this, constant);
}
fn visit_expr(&mut self, expr: &'hir Expr) {
- self.insert(expr.id, Node::Expr(expr));
+ self.insert(expr.span, expr.id, Node::Expr(expr));
self.with_parent(expr.id, |this| {
intravisit::walk_expr(this, expr);
fn visit_stmt(&mut self, stmt: &'hir Stmt) {
let id = stmt.node.id();
- self.insert(id, Node::Stmt(stmt));
+ self.insert(stmt.span, id, Node::Stmt(stmt));
self.with_parent(id, |this| {
intravisit::walk_stmt(this, stmt);
fn visit_path_segment(&mut self, path_span: Span, path_segment: &'hir PathSegment) {
if let Some(id) = path_segment.id {
- self.insert(id, Node::PathSegment(path_segment));
+ self.insert(path_span, id, Node::PathSegment(path_segment));
}
intravisit::walk_path_segment(self, path_span, path_segment);
}
fn visit_ty(&mut self, ty: &'hir Ty) {
- self.insert(ty.id, Node::Ty(ty));
+ self.insert(ty.span, ty.id, Node::Ty(ty));
self.with_parent(ty.id, |this| {
intravisit::walk_ty(this, ty);
}
fn visit_trait_ref(&mut self, tr: &'hir TraitRef) {
- self.insert(tr.ref_id, Node::TraitRef(tr));
+ self.insert(tr.path.span, tr.ref_id, Node::TraitRef(tr));
self.with_parent(tr.ref_id, |this| {
intravisit::walk_trait_ref(this, tr);
}
fn visit_block(&mut self, block: &'hir Block) {
- self.insert(block.id, Node::Block(block));
+ self.insert(block.span, block.id, Node::Block(block));
self.with_parent(block.id, |this| {
intravisit::walk_block(this, block);
});
}
fn visit_local(&mut self, l: &'hir Local) {
- self.insert(l.id, Node::Local(l));
+ self.insert(l.span, l.id, Node::Local(l));
self.with_parent(l.id, |this| {
intravisit::walk_local(this, l)
})
}
fn visit_lifetime(&mut self, lifetime: &'hir Lifetime) {
- self.insert(lifetime.id, Node::Lifetime(lifetime));
+ self.insert(lifetime.span, lifetime.id, Node::Lifetime(lifetime));
}
fn visit_vis(&mut self, visibility: &'hir Visibility) {
VisibilityKind::Crate(_) |
VisibilityKind::Inherited => {}
VisibilityKind::Restricted { id, .. } => {
- self.insert(id, Node::Visibility(visibility));
+ self.insert(visibility.span, id, Node::Visibility(visibility));
self.with_parent(id, |this| {
intravisit::walk_vis(this, visibility);
});
let def_index = self.definitions.opt_def_index(macro_def.id).unwrap();
self.with_dep_node_owner(def_index, macro_def, |this| {
- this.insert(macro_def.id, Node::MacroDef(macro_def));
+ this.insert(macro_def.span, macro_def.id, Node::MacroDef(macro_def));
});
}
fn visit_variant(&mut self, v: &'hir Variant, g: &'hir Generics, item_id: NodeId) {
let id = v.node.data.id();
- self.insert(id, Node::Variant(v));
+ self.insert(v.span, id, Node::Variant(v));
self.with_parent(id, |this| {
intravisit::walk_variant(this, v, g, item_id);
});
}
fn visit_struct_field(&mut self, field: &'hir StructField) {
- self.insert(field.id, Node::Field(field));
+ self.insert(field.span, field.id, Node::Field(field));
self.with_parent(field.id, |this| {
intravisit::walk_struct_field(this, field);
});
/// Internally the DefPathTable holds a tree of DefKeys, where each DefKey
/// stores the DefIndex of its parent.
/// There is one DefPathTable for each crate.
+#[derive(Default)]
pub struct DefPathTable {
index_to_key: [Vec<DefKey>; 2],
def_path_hashes: [Vec<DefPathHash>; 2],
/// The definition table containing node definitions.
/// It holds the DefPathTable for local DefIds/DefPaths and it also stores a
/// mapping from NodeIds to local DefIds.
-#[derive(Clone)]
+#[derive(Clone, Default)]
pub struct Definitions {
table: DefPathTable,
node_to_def_index: NodeMap<DefIndex>,
/// ascending order.
///
/// FIXME: there is probably a better place to put this comment.
- pub fn new() -> Definitions {
- Definitions {
- table: DefPathTable {
- index_to_key: [vec![], vec![]],
- def_path_hashes: [vec![], vec![]],
- },
- node_to_def_index: NodeMap(),
- def_index_to_node: [vec![], vec![]],
- node_to_hir_id: IndexVec::new(),
- parent_modules_of_macro_defs: Default::default(),
- expansions_that_defined: Default::default(),
- next_disambiguator: Default::default(),
- def_index_to_span: Default::default(),
- }
+ pub fn new() -> Self {
+ Self::default()
}
pub fn def_path_table(&self) -> &DefPathTable {
let mut collector = NodeCollector::root(&forest.krate,
&forest.dep_graph,
&definitions,
- hcx);
+ hcx,
+ sess.source_map());
intravisit::walk_crate(&mut collector, &forest.krate);
let crate_disambiguator = sess.local_crate_disambiguator();
let cmdline_args = sess.opts.dep_tracking_hash();
collector.finalize_and_compute_crate_hash(crate_disambiguator,
cstore,
- sess.source_map(),
cmdline_args)
};
// times, we cache a stable hash of it and hash that instead of
// recursing every time.
thread_local! {
- static CACHE: RefCell<FxHashMap<hygiene::Mark, u64>> =
- RefCell::new(Default::default());
+ static CACHE: RefCell<FxHashMap<hygiene::Mark, u64>> = Default::default();
}
let sub_hash: u64 = CACHE.with(|cache| {
parent_def_id,
body_id,
param_env,
- opaque_types: DefIdMap(),
+ opaque_types: Default::default(),
obligations: vec![],
};
let value = instantiator.instantiate_opaque_types_in_map(value);
mod taint;
+#[derive(Default)]
pub struct RegionConstraintCollector<'tcx> {
/// For each `RegionVid`, the corresponding `RegionVariableOrigin`.
var_infos: IndexVec<RegionVid, RegionVariableInfo>,
}
impl<'tcx> RegionConstraintCollector<'tcx> {
- pub fn new() -> RegionConstraintCollector<'tcx> {
- RegionConstraintCollector {
- var_infos: VarInfos::default(),
- data: RegionConstraintData::default(),
- lubs: Default::default(),
- glbs: Default::default(),
- bound_count: 0,
- undo_log: Vec::new(),
- unification_table: ut::UnificationTable::new(),
- any_unifications: false,
- }
+ pub fn new() -> Self {
+ Self::default()
}
pub fn num_region_vars(&self) -> usize {
"warn about missing code example in an item's documentation"
}
+declare_lint! {
+ pub PRIVATE_DOC_TESTS,
+ Allow,
+ "warn about doc test in private item"
+}
+
declare_lint! {
pub WHERE_CLAUSES_OBJECT_SAFETY,
Warn,
DUPLICATE_MACRO_EXPORTS,
INTRA_DOC_LINK_RESOLUTION_FAILURE,
MISSING_DOC_CODE_EXAMPLES,
+ PRIVATE_DOC_TESTS,
WHERE_CLAUSES_OBJECT_SAFETY,
PROC_MACRO_DERIVE_RESOLUTION_FALLBACK,
MACRO_USE_EXTERN_CRATE,
let (passes, buffered) = if pre_expansion {
(
sess.lint_store.borrow_mut().pre_expansion_passes.take(),
- LintBuffer::new(),
+ LintBuffer::default(),
)
} else {
(
pub use self::levels::{LintLevelSets, LintLevelMap};
+#[derive(Default)]
pub struct LintBuffer {
map: NodeMap<Vec<BufferedEarlyLint>>,
}
impl LintBuffer {
- pub fn new() -> LintBuffer {
- LintBuffer { map: NodeMap() }
- }
-
pub fn add_lint(&mut self,
lint: &'static Lint,
id: ast::NodeId,
#[derive(Copy, Clone, Debug, RustcEncodable, RustcDecodable)]
pub enum SignalledError { SawSomeError, NoErrorsSeen }
+impl Default for SignalledError {
+ fn default() -> SignalledError {
+ SignalledError::NoErrorsSeen
+ }
+}
+
impl_stable_hash_for!(enum self::SignalledError { SawSomeError, NoErrorsSeen });
-#[derive(Debug, RustcEncodable, RustcDecodable)]
+#[derive(Debug, Default, RustcEncodable, RustcDecodable)]
pub struct BorrowCheckResult {
pub used_mut_nodes: FxHashSet<HirId>,
pub signalled_any_error: SignalledError,
tcx,
num_live_nodes: 0,
num_vars: 0,
- live_node_map: HirIdMap(),
- variable_map: HirIdMap(),
- capture_info_map: NodeMap(),
+ live_node_map: HirIdMap::default(),
+ variable_map: HirIdMap::default(),
+ capture_info_map: Default::default(),
var_kinds: Vec::new(),
lnks: Vec::new(),
}
fn add_from_pat<'a, 'tcx>(ir: &mut IrMaps<'a, 'tcx>, pat: &P<hir::Pat>) {
// For struct patterns, take note of which fields used shorthand
// (`x` rather than `x: x`).
- let mut shorthand_field_ids = HirIdSet();
+ let mut shorthand_field_ids = HirIdSet::default();
let mut pats = VecDeque::new();
pats.push_back(pat);
while let Some(pat) = pats.pop_front() {
s: specials,
successors: vec![invalid_node(); num_live_nodes],
rwu_table: RWUTable::new(num_live_nodes * num_vars),
- break_ln: NodeMap(),
- cont_ln: NodeMap(),
+ break_ln: Default::default(),
+ cont_ln: Default::default(),
}
}
let mut reachable_context = ReachableContext {
tcx,
tables: &ty::TypeckTables::empty(None),
- reachable_symbols: NodeSet(),
+ reachable_symbols: Default::default(),
worklist: Vec::new(),
any_library,
};
fn krate<'tcx>(tcx: TyCtxt<'_, 'tcx, 'tcx>) -> NamedRegionMap {
let krate = tcx.hir.krate();
let mut map = NamedRegionMap {
- defs: NodeMap(),
- late_bound: NodeSet(),
+ defs: Default::default(),
+ late_bound: Default::default(),
object_lifetime_defaults: compute_object_lifetime_defaults(tcx),
};
{
trait_ref_hack: false,
is_in_fn_syntax: false,
labels_in_fn: vec![],
- xcrate_object_lifetime_defaults: DefIdMap(),
- lifetime_uses: &mut DefIdMap(),
+ xcrate_object_lifetime_defaults: Default::default(),
+ lifetime_uses: &mut Default::default(),
};
for (_, item) in &krate.items {
visitor.visit_item(item);
fn compute_object_lifetime_defaults(
tcx: TyCtxt<'_, '_, '_>,
) -> NodeMap<Vec<ObjectLifetimeDefault>> {
- let mut map = NodeMap();
+ let mut map = NodeMap::default();
for item in tcx.hir.krate().items.values() {
match item.node {
hir::ItemKind::Struct(_, ref generics)
} = self;
let labels_in_fn = replace(&mut self.labels_in_fn, vec![]);
let xcrate_object_lifetime_defaults =
- replace(&mut self.xcrate_object_lifetime_defaults, DefIdMap());
+ replace(&mut self.xcrate_object_lifetime_defaults, DefIdMap::default());
let mut this = LifetimeContext {
tcx: *tcx,
map: map,
constrained_by_input.visit_ty(arg_ty);
}
- let mut appears_in_output = AllCollector {
- regions: Default::default(),
- };
+ let mut appears_in_output = AllCollector::default();
intravisit::walk_fn_ret_ty(&mut appears_in_output, &decl.output);
debug!(
//
// Subtle point: because we disallow nested bindings, we can just
// ignore binders here and scrape up all names we see.
- let mut appears_in_where_clause = AllCollector {
- regions: Default::default(),
- };
+ let mut appears_in_where_clause = AllCollector::default();
appears_in_where_clause.visit_generics(generics);
for param in &generics.params {
}
}
+ #[derive(Default)]
struct AllCollector {
regions: FxHashSet<hir::LifetimeName>,
}
}
pub fn from_byte_aligned_bytes(slice: &[u8]) -> Self {
- Allocation::from_bytes(slice, Align::from_bytes(1, 1).unwrap())
+ Allocation::from_bytes(slice, Align::from_bytes(1).unwrap())
}
pub fn undef(size: Size, align: Align) -> Self {
write!(f, "tried to interpret an invalid 32-bit value as a char: {}", c),
AlignmentCheckFailed { required, has } =>
write!(f, "tried to access memory with alignment {}, but alignment {} is required",
- has.abi(), required.abi()),
+ has.bytes(), required.bytes()),
TypeNotPrimitive(ty) =>
write!(f, "expected primitive type, got {}", ty),
Layout(ref err) =>
MachineError(ref inner) =>
write!(f, "{}", inner),
IncorrectAllocationInformation(size, size2, align, align2) =>
- write!(f, "incorrect alloc info: expected size {} and align {}, got size {} and \
- align {}", size.bytes(), align.abi(), size2.bytes(), align2.abi()),
+ write!(f, "incorrect alloc info: expected size {} and align {}, \
+ got size {} and align {}",
+ size.bytes(), align.bytes(), size2.bytes(), align2.bytes()),
Panic { ref msg, line, col, ref file } =>
write!(f, "the evaluated program panicked at '{}', {}:{}:{}", msg, file, line, col),
InvalidDiscriminant(val) =>
let info = TypeSizeInfo {
kind,
type_description: type_desc.to_string(),
- align: align.abi(),
+ align: align.bytes(),
overall_size: overall_size.bytes(),
packed: packed,
opt_discr_size: opt_discr_size.map(|s| s.bytes()),
pub const parse_opt_uint: Option<&'static str> =
Some("a number");
pub const parse_panic_strategy: Option<&'static str> =
- Some("either `panic` or `abort`");
+ Some("either `unwind` or `abort`");
pub const parse_relro_level: Option<&'static str> =
Some("one of: `full`, `partial`, or `off`");
pub const parse_sanitizer: Option<&'static str> =
local_crate_source_file,
working_dir,
lint_store: RwLock::new(lint::LintStore::new()),
- buffered_lints: Lock::new(Some(lint::LintBuffer::new())),
+ buffered_lints: Lock::new(Some(Default::default())),
one_time_diagnostics: Default::default(),
plugin_llvm_passes: OneThread::new(RefCell::new(Vec::new())),
plugin_attributes: OneThread::new(RefCell::new(Vec::new())),
if let Some(found_span) = found_span {
err.span_label(found_span, format!("takes {}", found_str));
+ // move |_| { ... }
+ // ^^^^^^^^-- def_span
+ //
+ // move |_| { ... }
+ // ^^^^^-- prefix
+ let prefix_span = self.tcx.sess.source_map().span_until_non_whitespace(found_span);
+ // move |_| { ... }
+ // ^^^-- pipe_span
+ let pipe_span = if let Some(span) = found_span.trim_start(prefix_span) {
+ span
+ } else {
+ found_span
+ };
+
// Suggest to take and ignore the arguments with expected_args_length `_`s if
// found arguments is empty (assume the user just wants to ignore args in this case).
// For example, if `expected_args_length` is 2, suggest `|_, _|`.
if found_args.is_empty() && is_closure {
let underscores = vec!["_"; expected_args.len()].join(", ");
err.span_suggestion_with_applicability(
- found_span,
+ pipe_span,
&format!(
"consider changing the closure to take and ignore the expected argument{}",
if expected_args.len() < 2 {
pub fn empty(local_id_root: Option<DefId>) -> TypeckTables<'tcx> {
TypeckTables {
local_id_root,
- type_dependent_defs: ItemLocalMap(),
- field_indices: ItemLocalMap(),
- user_provided_tys: ItemLocalMap(),
+ type_dependent_defs: Default::default(),
+ field_indices: Default::default(),
+ user_provided_tys: Default::default(),
user_provided_sigs: Default::default(),
- node_types: ItemLocalMap(),
- node_substs: ItemLocalMap(),
- user_substs: ItemLocalMap(),
- adjustments: ItemLocalMap(),
- pat_binding_modes: ItemLocalMap(),
- pat_adjustments: ItemLocalMap(),
+ node_types: Default::default(),
+ node_substs: Default::default(),
+ user_substs: Default::default(),
+ adjustments: Default::default(),
+ pat_binding_modes: Default::default(),
+ pat_adjustments: Default::default(),
upvar_capture_map: Default::default(),
- closure_kind_origins: ItemLocalMap(),
- liberated_fn_sigs: ItemLocalMap(),
- fru_field_types: ItemLocalMap(),
- cast_kinds: ItemLocalMap(),
- used_trait_imports: Lrc::new(DefIdSet()),
+ closure_kind_origins: Default::default(),
+ liberated_fn_sigs: Default::default(),
+ fru_field_types: Default::default(),
+ cast_kinds: Default::default(),
+ used_trait_imports: Lrc::new(Default::default()),
tainted_by_errors: false,
free_region_map: Default::default(),
concrete_existential_types: Default::default(),
tcx.intern_layout(LayoutDetails::scalar(self, scalar_unit(value)))
};
let scalar_pair = |a: Scalar, b: Scalar| {
- let align = a.value.align(dl).max(b.value.align(dl)).max(dl.aggregate_align);
- let b_offset = a.value.size(dl).abi_align(b.value.align(dl));
- let size = (b_offset + b.value.size(dl)).abi_align(align);
+ let b_align = b.value.align(dl);
+ let align = a.value.align(dl).max(b_align).max(dl.aggregate_align);
+ let b_offset = a.value.size(dl).align_to(b_align.abi);
+ let size = (b_offset + b.value.size(dl)).align_to(align.abi);
LayoutDetails {
variants: Variants::Single { index: VariantIdx::new(0) },
fields: FieldPlacement::Arbitrary {
bug!("struct cannot be packed and aligned");
}
- let pack = {
- let pack = repr.pack as u64;
- Align::from_bytes(pack, pack).unwrap()
- };
+ let pack = Align::from_bytes(repr.pack as u64).unwrap();
let mut align = if packed {
dl.i8_align
let mut optimize = !repr.inhibit_struct_field_reordering_opt();
if let StructKind::Prefixed(_, align) = kind {
- optimize &= align.abi() == 1;
+ optimize &= align.bytes() == 1;
}
if optimize {
};
let optimizing = &mut inverse_memory_index[..end];
let field_align = |f: &TyLayout<'_>| {
- if packed { f.align.min(pack).abi() } else { f.align.abi() }
+ if packed { f.align.abi.min(pack) } else { f.align.abi }
};
match kind {
StructKind::AlwaysSized |
let mut offset = Size::ZERO;
if let StructKind::Prefixed(prefix_size, prefix_align) = kind {
- if packed {
- let prefix_align = prefix_align.min(pack);
- align = align.max(prefix_align);
+ let prefix_align = if packed {
+ prefix_align.min(pack)
} else {
- align = align.max(prefix_align);
- }
- offset = prefix_size.abi_align(prefix_align);
+ prefix_align
+ };
+ align = align.max(AbiAndPrefAlign::new(prefix_align));
+ offset = prefix_size.align_to(prefix_align);
}
for &i in &inverse_memory_index {
}
// Invariant: offset < dl.obj_size_bound() <= 1<<61
- if packed {
- let field_pack = field.align.min(pack);
- offset = offset.abi_align(field_pack);
- align = align.max(field_pack);
- }
- else {
- offset = offset.abi_align(field.align);
- align = align.max(field.align);
- }
+ let field_align = if packed {
+ field.align.min(AbiAndPrefAlign::new(pack))
+ } else {
+ field.align
+ };
+ offset = offset.align_to(field_align.abi);
+ align = align.max(field_align);
debug!("univariant offset: {:?} field: {:#?}", offset, field);
offsets[i as usize] = offset;
if repr.align > 0 {
let repr_align = repr.align as u64;
- align = align.max(Align::from_bytes(repr_align, repr_align).unwrap());
+ align = align.max(AbiAndPrefAlign::new(Align::from_bytes(repr_align).unwrap()));
debug!("univariant repr_align: {:?}", repr_align);
}
memory_index = inverse_memory_index;
}
- let size = min_size.abi_align(align);
+ let size = min_size.align_to(align.abi);
let mut abi = Abi::Aggregate { sized };
// Unpack newtype ABIs and find scalar pairs.
(Some((i, field)), None, None) => {
// Field fills the struct and it has a scalar or scalar pair ABI.
if offsets[i].bytes() == 0 &&
- align.abi() == field.align.abi() &&
+ align.abi == field.align.abi &&
size == field.size {
match field.abi {
// For plain scalars, or vectors of them, we can't unpack
let size = element.size.checked_mul(count, dl)
.ok_or(LayoutError::SizeOverflow(ty))?;
let align = dl.vector_align(size);
- let size = size.abi_align(align);
+ let size = size.align_to(align.abi);
tcx.intern_layout(LayoutDetails {
variants: Variants::Single { index: VariantIdx::new(0) },
bug!("Union cannot be packed and aligned");
}
- let pack = {
- let pack = def.repr.pack as u64;
- Align::from_bytes(pack, pack).unwrap()
- };
+ let pack = Align::from_bytes(def.repr.pack as u64).unwrap();
let mut align = if packed {
dl.i8_align
if def.repr.align > 0 {
let repr_align = def.repr.align as u64;
align = align.max(
- Align::from_bytes(repr_align, repr_align).unwrap());
+ AbiAndPrefAlign::new(Align::from_bytes(repr_align).unwrap()));
}
let optimize = !def.repr.inhibit_union_abi_opt();
for field in &variants[index] {
assert!(!field.is_unsized());
- if packed {
- let field_pack = field.align.min(pack);
- align = align.max(field_pack);
+ let field_align = if packed {
+ field.align.min(AbiAndPrefAlign::new(pack))
} else {
- align = align.max(field.align);
- }
+ field.align
+ };
+ align = align.max(field_align);
// If all non-ZST fields have the same ABI, forward this ABI
if optimize && !field.is_zst() {
fields: FieldPlacement::Union(variants[index].len()),
abi,
align,
- size: size.abi_align(align)
+ size: size.align_to(align.abi)
}));
}
let mut size = Size::ZERO;
// We're interested in the smallest alignment, so start large.
- let mut start_align = Align::from_bytes(256, 256).unwrap();
- assert_eq!(Integer::for_abi_align(dl, start_align), None);
+ let mut start_align = Align::from_bytes(256).unwrap();
+ assert_eq!(Integer::for_align(dl, start_align), None);
// repr(C) on an enum tells us to make a (tag, union) layout,
// so we need to grow the prefix alignment to be at least
// the alignment of the union. (This value is used both for
// determining the alignment of the overall enum, and the
// determining the alignment of the payload after the tag.)
- let mut prefix_align = min_ity.align(dl);
+ let mut prefix_align = min_ity.align(dl).abi;
if def.repr.c() {
for fields in &variants {
for field in fields {
- prefix_align = prefix_align.max(field.align);
+ prefix_align = prefix_align.max(field.align.abi);
}
}
}
// Find the first field we can't move later
// to make room for a larger discriminant.
for field in st.fields.index_by_increasing_offset().map(|j| field_layouts[j]) {
- if !field.is_zst() || field.align.abi() != 1 {
- start_align = start_align.min(field.align);
+ if !field.is_zst() || field.align.abi.bytes() != 1 {
+ start_align = start_align.min(field.align.abi);
break;
}
}
}).collect::<Result<IndexVec<VariantIdx, _>, _>>()?;
// Align the maximum variant size to the largest alignment.
- size = size.abi_align(align);
+ size = size.align_to(align.abi);
if size.bytes() >= dl.obj_size_bound() {
return Err(LayoutError::SizeOverflow(ty));
let mut ity = if def.repr.c() || def.repr.int.is_some() {
min_ity
} else {
- Integer::for_abi_align(dl, start_align).unwrap_or(min_ity)
+ Integer::for_align(dl, start_align).unwrap_or(min_ity)
};
// If the alignment is not larger than the chosen discriminant size,
let type_desc = format!("{:?}", layout.ty);
self.tcx.sess.code_stats.borrow_mut().record_type_size(kind,
type_desc,
- layout.align,
+ layout.align.abi,
layout.size,
packed,
opt_discr_size,
name: name.to_string(),
offset: offset.bytes(),
size: field_layout.size.bytes(),
- align: field_layout.align.abi(),
+ align: field_layout.align.abi.bytes(),
}
}
}
} else {
session::SizeKind::Exact
},
- align: layout.align.abi(),
+ align: layout.align.abi.bytes(),
size: if min_size.bytes() == 0 {
layout.size.bytes()
} else {
Abi::ScalarPair(ref a, ref b) => {
// HACK(nox): We iter on `b` and then `a` because `max_by_key`
// returns the last maximum.
- let niche = iter::once((b, a.value.size(self).abi_align(b.value.align(self))))
+ let niche = iter::once(
+ (b, a.value.size(self).align_to(b.value.align(self).abi))
+ )
.chain(iter::once((a, Size::ZERO)))
.filter_map(|(scalar, offset)| scalar_niche(scalar, offset))
.max_by_key(|niche| niche.available);
Pointer
});
+impl_stable_hash_for!(struct ::ty::layout::AbiAndPrefAlign {
+ abi,
+ pref
+});
+
impl<'gcx> HashStable<StableHashingContext<'gcx>> for Align {
fn hash_stable<W: StableHasherResult>(&self,
hcx: &mut StableHashingContext<'gcx>,
hasher: &mut StableHasher<W>) {
- self.abi().hash_stable(hcx, hasher);
- self.pref().hash_stable(hcx, hasher);
+ self.bytes().hash_stable(hcx, hasher);
}
}
/// rather, you should request the vector for a specific type via
/// `tcx.inherent_impls(def_id)` so as to minimize your dependencies
/// (constructing this map requires touching the entire crate).
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, Default)]
pub struct CrateInherentImpls {
pub inherent_impls: DefIdMap<Lrc<Vec<DefId>>>,
}
//! An efficient hash map for node IDs
-#![allow(non_snake_case)]
-
use hir::def_id::DefId;
use hir::{HirId, ItemLocalId};
use syntax::ast;
macro_rules! define_id_collections {
($map_name:ident, $set_name:ident, $key:ty) => {
pub type $map_name<T> = FxHashMap<$key, T>;
- pub fn $map_name<T>() -> $map_name<T> { Default::default() }
pub type $set_name = FxHashSet<$key>;
- pub fn $set_name() -> $set_name { Default::default() }
}
}
$(
let (hits, total) = self.query_counts.$name;
+ //normalize hits to 0%
+ let hit_percent =
+ if total > 0 {
+ ((hits as f32) / (total as f32)) * 100.0
+ } else {
+ 0.0
+ };
+
json.push_str(&format!(
"{{ \"category\": {}, \"time_ms\": {},
- \"query_count\": {}, \"query_hits\": {} }}",
+ \"query_count\": {}, \"query_hits\": {} }},",
stringify!($name),
self.times.$name / 1_000_000,
total,
- format!("{:.2}", (((hits as f32) / (total as f32)) * 100.0))
+ format!("{:.2}", hit_percent)
));
)*
+ //remove the trailing ',' character
+ json.pop();
+
json.push(']');
json
cc = "1.0.1"
num_cpus = "1.0"
rustc-demangle = "0.1.4"
-rustc_codegen_ssa = { path = "../librustc_codegen_ssa" }
rustc_llvm = { path = "../librustc_llvm" }
memmap = "0.6"
if let Some(align) = self.pointee_align {
llvm::LLVMRustAddAlignmentAttr(llfn,
idx.as_uint(),
- align.abi() as u32);
+ align.bytes() as u32);
}
regular.for_each_kind(|attr| attr.apply_llfn(idx, llfn));
}
if let Some(align) = self.pointee_align {
llvm::LLVMRustAddAlignmentCallSiteAttr(callsite,
idx.as_uint(),
- align.abi() as u32);
+ align.bytes() as u32);
}
regular.for_each_kind(|attr| attr.apply_callsite(idx, callsite));
}
return;
}
if self.is_sized_indirect() {
- OperandValue::Ref(val, None, self.layout.align).store(bx, dst)
+ OperandValue::Ref(val, None, self.layout.align.abi).store(bx, dst)
} else if self.is_unsized_indirect() {
bug!("unsized ArgType must be handled through store_fn_arg");
} else if let PassMode::Cast(cast) = self.mode {
if can_store_through_cast_ptr {
let cast_ptr_llty = bx.cx().type_ptr_to(cast.llvm_type(bx.cx()));
let cast_dst = bx.pointercast(dst.llval, cast_ptr_llty);
- bx.store(val, cast_dst, self.layout.align);
+ bx.store(val, cast_dst, self.layout.align.abi);
} else {
// The actual return type is a struct, but the ABI
// adaptation code has cast it into some scalar type. The
// ...and then memcpy it to the intended destination.
bx.memcpy(
dst.llval,
- self.layout.align,
+ self.layout.align.abi,
llscratch,
scratch_align,
bx.cx().const_usize(self.layout.size.bytes()),
OperandValue::Pair(next(), next()).store(bx, dst);
}
PassMode::Indirect(_, Some(_)) => {
- OperandValue::Ref(next(), Some(next()), self.layout.align).store(bx, dst);
+ OperandValue::Ref(next(), Some(next()), self.layout.align.abi).store(bx, dst);
}
PassMode::Direct(_) | PassMode::Indirect(_, None) | PassMode::Cast(_) => {
self.store(bx, next(), dst);
adjust_for_rust_scalar(&mut b_attrs,
b,
arg.layout,
- a.value.size(cx).abi_align(b.value.align(cx)),
+ a.value.size(cx).align_to(b.value.align(cx).abi),
false);
arg.mode = PassMode::Pair(a_attrs, b_attrs);
return arg;
llvm::LLVMBuildAlloca(self.llbuilder, ty,
name.as_ptr())
};
- llvm::LLVMSetAlignment(alloca, align.abi() as c_uint);
+ llvm::LLVMSetAlignment(alloca, align.bytes() as c_uint);
alloca
}
}
llvm::LLVMBuildArrayAlloca(self.llbuilder, ty, len,
name.as_ptr())
};
- llvm::LLVMSetAlignment(alloca, align.abi() as c_uint);
+ llvm::LLVMSetAlignment(alloca, align.bytes() as c_uint);
alloca
}
}
self.count_insn("load");
unsafe {
let load = llvm::LLVMBuildLoad(self.llbuilder, ptr, noname());
- llvm::LLVMSetAlignment(load, align.abi() as c_uint);
+ llvm::LLVMSetAlignment(load, align.bytes() as c_uint);
load
}
}
let align = if flags.contains(MemFlags::UNALIGNED) {
1
} else {
- align.abi() as c_uint
+ align.bytes() as c_uint
};
llvm::LLVMSetAlignment(store, align);
if flags.contains(MemFlags::VOLATILE) {
let dst = self.pointercast(dst, self.cx().type_i8p());
let src = self.pointercast(src, self.cx().type_i8p());
unsafe {
- llvm::LLVMRustBuildMemCpy(self.llbuilder, dst, dst_align.abi() as c_uint,
- src, src_align.abi() as c_uint, size, is_volatile);
+ llvm::LLVMRustBuildMemCpy(self.llbuilder, dst, dst_align.bytes() as c_uint,
+ src, src_align.bytes() as c_uint, size, is_volatile);
}
}
let dst = self.pointercast(dst, self.cx().type_i8p());
let src = self.pointercast(src, self.cx().type_i8p());
unsafe {
- llvm::LLVMRustBuildMemMove(self.llbuilder, dst, dst_align.abi() as c_uint,
- src, src_align.abi() as c_uint, size, is_volatile);
+ llvm::LLVMRustBuildMemMove(self.llbuilder, dst, dst_align.bytes() as c_uint,
+ src, src_align.bytes() as c_uint, size, is_volatile);
}
}
let intrinsic_key = format!("llvm.memset.p0i8.i{}", ptr_width);
let llintrinsicfn = self.cx().get_intrinsic(&intrinsic_key);
let ptr = self.pointercast(ptr, self.cx().type_i8p());
- let align = self.cx().const_u32(align.abi() as u32);
+ let align = self.cx().const_u32(align.bytes() as u32);
let volatile = self.cx().const_bool(flags.contains(MemFlags::VOLATILE));
self.call(llintrinsicfn, &[ptr, fill_byte, size, align, volatile], None);
}
offset: Size,
) -> PlaceRef<'tcx, &'ll Value> {
let init = const_alloc_to_llvm(self, alloc);
- let base_addr = self.static_addr_of(init, layout.align, None);
+ let base_addr = self.static_addr_of(init, layout.align.abi, None);
let llval = unsafe { llvm::LLVMConstInBoundsGEP(
self.static_bitcast(base_addr, self.type_i8p()),
// Note: GCC and Clang also allow `__attribute__((aligned))` on variables,
// which can force it to be smaller. Rust doesn't support this yet.
if let Some(min) = cx.sess().target.target.options.min_global_align {
- match ty::layout::Align::from_bits(min, min) {
+ match Align::from_bits(min) {
Ok(min) => align = align.max(min),
Err(err) => {
cx.sess().err(&format!("invalid minimum global alignment: {}", err));
}
}
unsafe {
- llvm::LLVMSetAlignment(gv, align.abi() as u32);
+ llvm::LLVMSetAlignment(gv, align.bytes() as u32);
}
}
unsafe {
// Upgrade the alignment in cases where the same constant is used with different
// alignment requirements
- let llalign = align.abi() as u32;
+ let llalign = align.bytes() as u32;
if llalign > llvm::LLVMGetAlignment(gv) {
llvm::LLVMSetAlignment(gv, llalign);
}
llvm::LLVMRustDIBuilderCreateArrayType(
DIB(cx),
size.bits(),
- align.abi_bits() as u32,
+ align.bits() as u32,
element_type_metadata,
subscripts)
};
syntax_pos::DUMMY_SP),
offset: layout.fields.offset(0),
size: data_ptr_field.size,
- align: data_ptr_field.align,
+ align: data_ptr_field.align.abi,
flags: DIFlags::FlagArtificial,
discriminant: None,
},
type_metadata: type_metadata(cx, vtable_field.ty, syntax_pos::DUMMY_SP),
offset: layout.fields.offset(1),
size: vtable_field.size,
- align: vtable_field.align,
+ align: vtable_field.align.abi,
flags: DIFlags::FlagArtificial,
discriminant: None,
},
DIB(cx),
name.as_ptr(),
size.bits(),
- align.abi_bits() as u32,
+ align.bits() as u32,
encoding)
};
DIB(cx),
pointee_type_metadata,
pointer_size.bits(),
- pointer_align.abi_bits() as u32,
+ pointer_align.bits() as u32,
name.as_ptr())
}
}
f.ident.to_string()
};
let field = layout.field(cx, i);
- let (size, align) = field.size_and_align();
MemberDescription {
name,
type_metadata: type_metadata(cx, field.ty, self.span),
offset: layout.fields.offset(i),
- size,
- align,
+ size: field.size,
+ align: field.align.abi,
flags: DIFlags::FlagZero,
discriminant: None,
}
-> Vec<MemberDescription<'ll>> {
self.variant.fields.iter().enumerate().map(|(i, f)| {
let field = self.layout.field(cx, i);
- let (size, align) = field.size_and_align();
MemberDescription {
name: f.ident.to_string(),
type_metadata: type_metadata(cx, field.ty, self.span),
offset: Size::ZERO,
- size,
- align,
+ size: field.size,
+ align: field.align.abi,
flags: DIFlags::FlagZero,
discriminant: None,
}
type_metadata: variant_type_metadata,
offset: Size::ZERO,
size: self.layout.size,
- align: self.layout.align,
+ align: self.layout.align.abi,
flags: DIFlags::FlagZero,
discriminant: None,
}
type_metadata: variant_type_metadata,
offset: Size::ZERO,
size: self.layout.size,
- align: self.layout.align,
+ align: self.layout.align.abi,
flags: DIFlags::FlagZero,
discriminant: Some(self.layout.ty.ty_adt_def().unwrap()
.discriminant_for_variant(cx.tcx, i)
type_metadata: variant_type_metadata,
offset: Size::ZERO,
size: variant.size,
- align: variant.align,
+ align: variant.align.abi,
flags: DIFlags::FlagZero,
discriminant: None,
}
type_metadata: variant_type_metadata,
offset: Size::ZERO,
size: self.layout.size,
- align: self.layout.align,
+ align: self.layout.align.abi,
flags: DIFlags::FlagZero,
discriminant: niche_value,
}
file_metadata,
UNKNOWN_LINE_NUMBER,
discriminant_size.bits(),
- discriminant_align.abi_bits() as u32,
+ discriminant_align.abi.bits() as u32,
create_DIArray(DIB(cx), &enumerators_metadata),
discriminant_base_type_metadata, true)
};
_ => {}
}
- let (enum_type_size, enum_type_align) = layout.size_and_align();
-
let enum_name = SmallCStr::new(&enum_name);
let unique_type_id_str = SmallCStr::new(
debug_context(cx).type_map.borrow().get_unique_type_id_as_string(unique_type_id)
enum_name.as_ptr(),
file_metadata,
UNKNOWN_LINE_NUMBER,
- enum_type_size.bits(),
- enum_type_align.abi_bits() as u32,
+ layout.size.bits(),
+ layout.align.abi.bits() as u32,
DIFlags::FlagZero,
None,
0, // RuntimeLang
file_metadata,
UNKNOWN_LINE_NUMBER,
size.bits(),
- align.abi_bits() as u32,
+ align.abi.bits() as u32,
layout.fields.offset(0).bits(),
DIFlags::FlagArtificial,
discr_metadata))
file_metadata,
UNKNOWN_LINE_NUMBER,
size.bits(),
- align.abi_bits() as u32,
+ align.bits() as u32,
layout.fields.offset(0).bits(),
DIFlags::FlagArtificial,
discr_metadata))
ptr::null_mut(),
file_metadata,
UNKNOWN_LINE_NUMBER,
- enum_type_size.bits(),
- enum_type_align.abi_bits() as u32,
+ layout.size.bits(),
+ layout.align.abi.bits() as u32,
DIFlags::FlagZero,
discriminator_metadata,
empty_array,
enum_name.as_ptr(),
file_metadata,
UNKNOWN_LINE_NUMBER,
- enum_type_size.bits(),
- enum_type_align.abi_bits() as u32,
+ layout.size.bits(),
+ layout.align.abi.bits() as u32,
DIFlags::FlagZero,
None,
type_array,
unknown_file_metadata(cx),
UNKNOWN_LINE_NUMBER,
member_description.size.bits(),
- member_description.align.abi_bits() as u32,
+ member_description.align.bits() as u32,
member_description.offset.bits(),
match member_description.discriminant {
None => None,
unknown_file_metadata(cx),
UNKNOWN_LINE_NUMBER,
struct_size.bits(),
- struct_align.abi_bits() as u32,
+ struct_align.bits() as u32,
DIFlags::FlagZero,
None,
empty_array,
unknown_file_metadata(cx),
UNKNOWN_LINE_NUMBER,
union_size.bits(),
- union_align.abi_bits() as u32,
+ union_align.bits() as u32,
DIFlags::FlagZero,
Some(empty_array),
0, // RuntimeLang
is_local_to_unit,
global,
None,
- global_align.abi() as u32,
+ global_align.bytes() as u32,
);
}
}
unknown_file_metadata(cx),
UNKNOWN_LINE_NUMBER,
Size::ZERO.bits(),
- cx.tcx.data_layout.pointer_align.abi_bits() as u32,
+ cx.tcx.data_layout.pointer_align.abi.bits() as u32,
DIFlags::FlagArtificial,
None,
empty_array,
created_files: Default::default(),
created_enum_disr_types: Default::default(),
type_map: Default::default(),
- namespace_map: RefCell::new(DefIdMap()),
+ namespace_map: RefCell::new(Default::default()),
composite_types_completed: Default::default(),
}
}
cx.sess().opts.optimize != config::OptLevel::No,
DIFlags::FlagZero,
argument_index,
- align.abi() as u32,
+ align.bytes() as u32,
)
};
source_loc::set_debug_location(self,
let name = &*tcx.item_name(def_id).as_str();
let llret_ty = self.cx().layout_of(ret_ty).llvm_type(self.cx());
- let result = PlaceRef::new_sized(llresult, fn_ty.ret.layout, fn_ty.ret.layout.align);
+ let result = PlaceRef::new_sized(llresult, fn_ty.ret.layout, fn_ty.ret.layout.align.abi);
let simple = get_simple_intrinsic(self.cx(), name);
let llval = match name {
}
"min_align_of" => {
let tp_ty = substs.type_at(0);
- self.cx().const_usize(self.cx().align_of(tp_ty).abi())
+ self.cx().const_usize(self.cx().align_of(tp_ty).bytes())
}
"min_align_of_val" => {
let tp_ty = substs.type_at(0);
glue::size_and_align_of_dst(self, tp_ty, Some(meta));
llalign
} else {
- self.cx().const_usize(self.cx().align_of(tp_ty).abi())
+ self.cx().const_usize(self.cx().align_of(tp_ty).bytes())
}
}
"pref_align_of" => {
let tp_ty = substs.type_at(0);
- self.cx().const_usize(self.cx().align_of(tp_ty).pref())
+ self.cx().const_usize(self.cx().layout_of(tp_ty).align.pref.bytes())
}
"type_name" => {
let tp_ty = substs.type_at(0);
let align = if name == "unaligned_volatile_load" {
1
} else {
- self.cx().align_of(tp_ty).abi() as u32
+ self.cx().align_of(tp_ty).bytes() as u32
};
unsafe {
llvm::LLVMSetAlignment(load, align);
) {
if bx.cx().sess().no_landing_pads() {
bx.call(func, &[data], None);
- let ptr_align = bx.tcx().data_layout.pointer_align;
+ let ptr_align = bx.tcx().data_layout.pointer_align.abi;
bx.store(bx.cx().const_null(bx.cx().type_i8p()), dest, ptr_align);
} else if wants_msvc_seh(bx.cx().sess()) {
codegen_msvc_try(bx, func, data, local_ptr, dest);
//
// More information can be found in libstd's seh.rs implementation.
let i64p = bx.cx().type_ptr_to(bx.cx().type_i64());
- let ptr_align = bx.tcx().data_layout.pointer_align;
+ let ptr_align = bx.tcx().data_layout.pointer_align.abi;
let slot = bx.alloca(i64p, "slot", ptr_align);
bx.invoke(func, &[data], normal.llbb(), catchswitch.llbb(), None);
let funclet = catchpad.catch_pad(cs, &[tydesc, bx.cx().const_i32(0), slot]);
let addr = catchpad.load(slot, ptr_align);
- let i64_align = bx.tcx().data_layout.i64_align;
+ let i64_align = bx.tcx().data_layout.i64_align.abi;
let arg1 = catchpad.load(addr, i64_align);
let val1 = bx.cx().const_i32(1);
let gep1 = catchpad.inbounds_gep(addr, &[val1]);
// Note that no invoke is used here because by definition this function
// can't panic (that's what it's catching).
let ret = bx.call(llfn, &[func, data, local_ptr], None);
- let i32_align = bx.tcx().data_layout.i32_align;
+ let i32_align = bx.tcx().data_layout.i32_align.abi;
bx.store(ret, dest, i32_align);
}
let vals = catch.landing_pad(lpad_ty, bx.cx().eh_personality(), 1);
catch.add_clause(vals, bx.cx().const_null(bx.cx().type_i8p()));
let ptr = catch.extract_value(vals, 0);
- let ptr_align = bx.tcx().data_layout.pointer_align;
+ let ptr_align = bx.tcx().data_layout.pointer_align.abi;
let bitcast = catch.bitcast(local_ptr, bx.cx().type_ptr_to(bx.cx().type_i8p()));
catch.store(ptr, bitcast, ptr_align);
catch.ret(bx.cx().const_i32(1));
// Note that no invoke is used here because by definition this function
// can't panic (that's what it's catching).
let ret = bx.call(llfn, &[func, data, local_ptr], None);
- let i32_align = bx.tcx().data_layout.i32_align;
+ let i32_align = bx.tcx().data_layout.i32_align.abi;
bx.store(ret, dest, i32_align);
}
// Alignment of T, must be a constant integer value:
let alignment_ty = bx.cx().type_i32();
- let alignment = bx.cx().const_i32(bx.cx().align_of(in_elem).abi() as i32);
+ let alignment = bx.cx().const_i32(bx.cx().align_of(in_elem).bytes() as i32);
// Truncate the mask vector to a vector of i1s:
let (mask, mask_ty) = {
// Alignment of T, must be a constant integer value:
let alignment_ty = bx.cx().type_i32();
- let alignment = bx.cx().const_i32(bx.cx().align_of(in_elem).abi() as i32);
+ let alignment = bx.cx().const_i32(bx.cx().align_of(in_elem).bytes() as i32);
// Truncate the mask vector to a vector of i1s:
let (mask, mask_ty) = {
match layout.fields {
layout::FieldPlacement::Union(_) => {
- let fill = cx.type_padding_filler( layout.size, layout.align);
+ let fill = cx.type_padding_filler(layout.size, layout.align.abi);
let packed = false;
match name {
None => {
let mut packed = false;
let mut offset = Size::ZERO;
- let mut prev_effective_align = layout.align;
+ let mut prev_effective_align = layout.align.abi;
let mut result: Vec<_> = Vec::with_capacity(1 + field_count * 2);
for i in layout.fields.index_by_increasing_offset() {
let target_offset = layout.fields.offset(i as usize);
let field = layout.field(cx, i);
- let effective_field_align = layout.align
- .min(field.align)
+ let effective_field_align = layout.align.abi
+ .min(field.align.abi)
.restrict_for_offset(target_offset);
- packed |= effective_field_align.abi() < field.align.abi();
+ packed |= effective_field_align < field.align.abi;
debug!("struct_llfields: {}: {:?} offset: {:?} target_offset: {:?} \
effective_field_align: {}",
- i, field, offset, target_offset, effective_field_align.abi());
+ i, field, offset, target_offset, effective_field_align.bytes());
assert!(target_offset >= offset);
let padding = target_offset - offset;
let padding_align = prev_effective_align.min(effective_field_align);
- assert_eq!(offset.abi_align(padding_align) + padding, target_offset);
+ assert_eq!(offset.align_to(padding_align) + padding, target_offset);
result.push(cx.type_padding_filler( padding, padding_align));
debug!(" padding before: {:?}", padding);
}
let padding = layout.size - offset;
let padding_align = prev_effective_align;
- assert_eq!(offset.abi_align(padding_align) + padding, layout.size);
+ assert_eq!(offset.align_to(padding_align) + padding, layout.size);
debug!("struct_llfields: pad_bytes: {:?} offset: {:?} stride: {:?}",
padding, offset, layout.size);
result.push(cx.type_padding_filler(padding, padding_align));
impl<'a, 'tcx> CodegenCx<'a, 'tcx> {
pub fn align_of(&self, ty: Ty<'tcx>) -> Align {
- self.layout_of(ty).align
+ self.layout_of(ty).align.abi
}
pub fn size_of(&self, ty: Ty<'tcx>) -> Size {
}
pub fn size_and_align_of(&self, ty: Ty<'tcx>) -> (Size, Align) {
- self.layout_of(ty).size_and_align()
+ let layout = self.layout_of(ty);
+ (layout.size, layout.align.abi)
}
}
layout::Pointer => {
// If we know the alignment, pick something better than i8.
let pointee = if let Some(pointee) = self.pointee_info_at(cx, offset) {
- cx.type_pointee_for_abi_align( pointee.align)
+ cx.type_pointee_for_align(pointee.align)
} else {
cx.type_i8()
};
let offset = if index == 0 {
Size::ZERO
} else {
- a.value.size(cx).abi_align(b.value.align(cx))
+ a.value.size(cx).align_to(b.value.align(cx).abi)
};
self.scalar_llvm_type_at(cx, scalar, offset)
}
[lib]
name = "rustc_codegen_ssa"
path = "lib.rs"
+crate-type = ["dylib"]
test = false
[dependencies]
+bitflags = "1.0.4"
cc = "1.0.1"
num_cpus = "1.0"
rustc-demangle = "0.1.4"
memmap = "0.6"
+log = "0.4.5"
+libc = "0.2.43"
+jobserver = "0.1.11"
+
+serialize = { path = "../libserialize" }
+syntax = { path = "../libsyntax" }
+syntax_pos = { path = "../libsyntax_pos" }
+rustc = { path = "../librustc" }
+rustc_allocator = { path = "../librustc_allocator" }
+rustc_apfloat = { path = "../librustc_apfloat" }
+rustc_codegen_utils = { path = "../librustc_codegen_utils" }
+rustc_data_structures = { path = "../librustc_data_structures"}
+rustc_errors = { path = "../librustc_errors" }
+rustc_fs_util = { path = "../librustc_fs_util" }
+rustc_incremental = { path = "../librustc_incremental" }
+rustc_mir = { path = "../librustc_mir" }
+rustc_target = { path = "../librustc_target" }
}
fn exported_symbols(tcx: TyCtxt, crate_type: CrateType) -> Vec<String> {
+ if let Some(ref exports) = tcx.sess.target.target.options.override_export_symbols {
+ return exports.clone()
+ }
+
let mut symbols = Vec::new();
let export_threshold = symbol_export::crates_export_threshold(&[crate_type]);
assert_eq!(cnum, LOCAL_CRATE);
if !tcx.sess.opts.output_types.should_codegen() {
- return Lrc::new(DefIdMap())
+ return Default::default();
}
// Check to see if this crate is a "special runtime crate". These
let cnums = tcx.all_crate_nums(LOCAL_CRATE);
- let mut instances: DefIdMap<FxHashMap<_, _>> = DefIdMap();
+ let mut instances: DefIdMap<FxHashMap<_, _>> = Default::default();
let cnum_stable_ids: IndexVec<CrateNum, Fingerprint> = {
let mut cnum_stable_ids = IndexVec::from_elem_n(Fingerprint::ZERO,
t: Ty<'tcx>,
info: Option<Bx::Value>
) -> (Bx::Value, Bx::Value) {
- debug!("calculate size of DST: {}; with lost info: {:?}",
- t, info);
- if bx.cx().type_is_sized(t) {
- let (size, align) = bx.cx().layout_of(t).size_and_align();
- debug!("size_and_align_of_dst t={} info={:?} size: {:?} align: {:?}",
- t, info, size, align);
- let size = bx.cx().const_usize(size.bytes());
- let align = bx.cx().const_usize(align.abi());
+ let layout = bx.cx().layout_of(t);
+ debug!("size_and_align_of_dst(ty={}, info={:?}): layout: {:?}",
+ t, info, layout);
+ if !layout.is_unsized() {
+ let size = bx.cx().const_usize(layout.size.bytes());
+ let align = bx.cx().const_usize(layout.align.abi.bytes());
return (size, align);
}
match t.sty {
(meth::SIZE.get_usize(bx, vtable), meth::ALIGN.get_usize(bx, vtable))
}
ty::Slice(_) | ty::Str => {
- let unit = t.sequence_element_type(bx.tcx());
+ let unit = layout.field(bx.cx(), 0);
// The info in this case is the length of the str, so the size is that
// times the unit size.
- let (size, align) = bx.cx().layout_of(unit).size_and_align();
- (bx.mul(info.unwrap(), bx.cx().const_usize(size.bytes())),
- bx.cx().const_usize(align.abi()))
+ (bx.mul(info.unwrap(), bx.cx().const_usize(unit.size.bytes())),
+ bx.cx().const_usize(unit.align.abi.bytes()))
}
_ => {
// First get the size of all statically known fields.
// Don't use size_of because it also rounds up to alignment, which we
// want to avoid, as the unsized field's alignment could be smaller.
assert!(!t.is_simd());
- let layout = bx.cx().layout_of(t);
debug!("DST {} layout: {:?}", t, layout);
let i = layout.fields.count() - 1;
let sized_size = layout.fields.offset(i).bytes();
- let sized_align = layout.align.abi();
+ let sized_align = layout.align.abi.bytes();
debug!("DST {} statically sized prefix size: {} align: {}",
t, sized_size, sized_align);
let sized_size = bx.cx().const_usize(sized_size);
llvtable,
bx.cx().type_ptr_to(bx.cx().fn_ptr_backend_type(fn_ty))
);
- let ptr_align = bx.tcx().data_layout.pointer_align;
+ let ptr_align = bx.tcx().data_layout.pointer_align.abi;
let gep = bx.inbounds_gep(llvtable, &[bx.cx().const_usize(self.0)]);
let ptr = bx.load(gep, ptr_align);
bx.nonnull_metadata(ptr);
debug!("get_int({:?}, {:?})", llvtable, self);
let llvtable = bx.pointercast(llvtable, bx.cx().type_ptr_to(bx.cx().type_isize()));
- let usize_align = bx.tcx().data_layout.pointer_align;
+ let usize_align = bx.tcx().data_layout.pointer_align.abi;
let gep = bx.inbounds_gep(llvtable, &[bx.cx().const_usize(self.0)]);
let ptr = bx.load(gep, usize_align);
// Vtable loads are invariant
})
});
- let (size, align) = cx.layout_of(ty).size_and_align();
+ let layout = cx.layout_of(ty);
// /////////////////////////////////////////////////////////////////////////////////////////////
// If you touch this code, be sure to also make the corresponding changes to
// `get_vtable` in rust_mir/interpret/traits.rs
// /////////////////////////////////////////////////////////////////////////////////////////////
let components: Vec<_> = [
cx.get_fn(monomorphize::resolve_drop_in_place(cx.tcx(), ty)),
- cx.const_usize(size.bytes()),
- cx.const_usize(align.abi())
+ cx.const_usize(layout.size.bytes()),
+ cx.const_usize(layout.align.abi.bytes())
].iter().cloned().chain(methods).collect();
let vtable_const = cx.const_struct(&components, false);
- let align = cx.data_layout().pointer_align;
+ let align = cx.data_layout().pointer_align.abi;
let vtable = cx.static_addr_of(vtable_const, align, Some("vtable"));
cx.create_vtable_metadata(ty, vtable);
scratch.llval
}
Ref(llval, _, align) => {
- assert_eq!(align.abi(), op.layout.align.abi(),
+ assert_eq!(align, op.layout.align.abi,
"return place is unaligned!");
llval
}
let addr = bx.pointercast(llslot, bx.cx().type_ptr_to(
bx.cx().cast_backend_type(&cast_ty)
));
- bx.load(addr, self.fn_ty.ret.layout.align)
+ bx.load(addr, self.fn_ty.ret.layout.align.abi)
}
};
bx.ret(llval);
let filename = bx.cx().const_str_slice(filename);
let line = bx.cx().const_u32(loc.line as u32);
let col = bx.cx().const_u32(loc.col.to_usize() as u32 + 1);
- let align = tcx.data_layout.aggregate_align
- .max(tcx.data_layout.i32_align)
- .max(tcx.data_layout.pointer_align);
+ let align = tcx.data_layout.aggregate_align.abi
+ .max(tcx.data_layout.i32_align.abi)
+ .max(tcx.data_layout.pointer_align.abi);
// Put together the arguments to the panic entry point.
let (lang_item, args) = match *msg {
let filename = bx.cx().const_str_slice(filename);
let line = bx.cx().const_u32(loc.line as u32);
let col = bx.cx().const_u32(loc.col.to_usize() as u32 + 1);
- let align = tcx.data_layout.aggregate_align
- .max(tcx.data_layout.i32_align)
- .max(tcx.data_layout.pointer_align);
+ let align = tcx.data_layout.aggregate_align.abi
+ .max(tcx.data_layout.i32_align.abi)
+ .max(tcx.data_layout.pointer_align.abi);
let str = format!(
"Attempted to instantiate uninhabited type {} using mem::{}",
(scratch.llval, scratch.align, true)
}
_ => {
- (op.immediate_or_packed_pair(bx), arg.layout.align, false)
+ (op.immediate_or_packed_pair(bx), arg.layout.align.abi, false)
}
}
}
Ref(llval, _, align) => {
- if arg.is_indirect() && align.abi() < arg.layout.align.abi() {
+ if arg.is_indirect() && align < arg.layout.align.abi {
// `foo(packed.large_field)`. We can't pass the (unaligned) field directly. I
// think that ATM (Rust 1.16) we only pass temporaries, but we shouldn't
// have scary latent bugs around.
let addr = bx.pointercast(llval, bx.cx().type_ptr_to(
bx.cx().cast_backend_type(&ty))
);
- llval = bx.load(addr, align.min(arg.layout.align));
+ llval = bx.load(addr, align.min(arg.layout.align.abi));
} else {
// We can't use `PlaceRef::load` here because the argument
// may have a type we don't treat as immediate, but the ABI
self.codegen_place(bx, dest)
};
if fn_ret.is_indirect() {
- if dest.align.abi() < dest.layout.align.abi() {
+ if dest.align < dest.layout.align.abi {
// Currently, MIR code generation does not create calls
// that store directly to fields of packed structs (in
// fact, the calls it creates write only to temps),
let src = self.codegen_operand(bx, src);
let llty = bx.cx().backend_type(src.layout);
let cast_ptr = bx.pointercast(dst.llval, bx.cx().type_ptr_to(llty));
- let align = src.layout.align.min(dst.layout.align);
+ let align = src.layout.align.abi.min(dst.align);
src.val.store(bx, PlaceRef::new_sized(cast_ptr, src.layout, align));
}
if local == mir::RETURN_PLACE && fx.fn_ty.ret.is_indirect() {
debug!("alloc: {:?} (return place) -> place", local);
let llretptr = fx.cx.get_param(llfn, 0);
- LocalRef::Place(PlaceRef::new_sized(llretptr, layout, layout.align))
+ LocalRef::Place(PlaceRef::new_sized(llretptr, layout, layout.align.abi))
} else if memory_locals.contains(local) {
debug!("alloc: {:?} -> place", local);
if layout.is_unsized() {
let llarg = bx.cx().get_param(bx.llfn(), llarg_idx as c_uint);
bx.set_value_name(llarg, &name);
llarg_idx += 1;
- PlaceRef::new_sized(llarg, arg.layout, arg.layout.align)
+ PlaceRef::new_sized(llarg, arg.layout, arg.layout.align.abi)
} else if arg.is_unsized_indirect() {
// As the storage for the indirect argument lives during
// the whole function call, we just copy the fat pointer.
llval: llptr,
llextra,
layout,
- align: layout.align,
+ align: layout.align.abi,
}
}
OperandValue::Immediate(a_llval)
} else {
assert_eq!(offset, a.value.size(bx.cx())
- .abi_align(b.value.align(bx.cx())));
+ .align_to(b.value.align(bx.cx()).abi));
assert_eq!(field.size, b.value.size(bx.cx()));
OperandValue::Immediate(b_llval)
}
};
// HACK(eddyb) have to bitcast pointers until LLVM removes pointee types.
+ // Bools in union fields needs to be truncated.
+ let to_immediate_or_cast = |bx: &mut Bx, val, ty| {
+ if ty == bx.cx().type_i1() {
+ bx.trunc(val, ty)
+ } else {
+ bx.bitcast(val, ty)
+ }
+ };
+
match val {
OperandValue::Immediate(ref mut llval) => {
- *llval = bx.bitcast(*llval, bx.cx().immediate_backend_type(field));
+ *llval = to_immediate_or_cast(bx, *llval, bx.cx().immediate_backend_type(field));
}
OperandValue::Pair(ref mut a, ref mut b) => {
- *a = bx.bitcast(*a, bx.cx().scalar_pair_element_backend_type(field, 0, true));
- *b = bx.bitcast(*b, bx.cx().scalar_pair_element_backend_type(field, 1, true));
+ *a = to_immediate_or_cast(bx, *a, bx.cx()
+ .scalar_pair_element_backend_type(field, 0, true));
+ *b = to_immediate_or_cast(bx, *b, bx.cx()
+ .scalar_pair_element_backend_type(field, 1, true));
}
OperandValue::Ref(..) => bug!()
}
};
// FIXME: choose an appropriate alignment, or use dynamic align somehow
- let max_align = Align::from_bits(128, 128).unwrap();
- let min_align = Align::from_bits(8, 8).unwrap();
+ let max_align = Align::from_bits(128).unwrap();
+ let min_align = Align::from_bits(8).unwrap();
// Allocate an appropriate region on the stack, and copy the value into it
let (llsize, _) = glue::size_and_align_of_dst(bx, unsized_ty, Some(llextra));
bx.load_operand(PlaceRef::new_sized(
bx.cx().const_undef(bx.cx().type_ptr_to(bx.cx().backend_type(layout))),
layout,
- layout.align,
+ layout.align.abi,
))
})
}
) -> Self {
debug!("alloca({:?}: {:?})", name, layout);
assert!(!layout.is_unsized(), "tried to statically allocate unsized place");
- let tmp = bx.alloca(bx.cx().backend_type(layout), name, layout.align);
- Self::new_sized(tmp, layout, layout.align)
+ let tmp = bx.alloca(bx.cx().backend_type(layout), name, layout.align.abi);
+ Self::new_sized(tmp, layout, layout.align.abi)
}
/// Returns a place for an indirect reference to an unsized place.
self.llval
} else if let layout::Abi::ScalarPair(ref a, ref b) = self.layout.abi {
// Offsets have to match either first or second field.
- assert_eq!(offset, a.value.size(bx.cx()).abi_align(b.value.align(bx.cx())));
+ assert_eq!(offset, a.value.size(bx.cx()).align_to(b.value.align(bx.cx()).abi));
bx.struct_gep(self.llval, 1)
} else {
bx.struct_gep(self.llval, bx.cx().backend_field_index(self.layout, ix))
if def.repr.packed() {
// FIXME(eddyb) generalize the adjustment when we
// start supporting packing to larger alignments.
- assert_eq!(self.layout.align.abi(), 1);
+ assert_eq!(self.layout.align.abi.bytes(), 1);
return simple();
}
}
// Issue #34427: As workaround for LLVM bug on ARM,
// use memset of 0 before assigning niche value.
let fill_byte = bx.cx().const_u8(0);
- let (size, align) = self.layout.size_and_align();
- let size = bx.cx().const_usize(size.bytes());
- bx.memset(self.llval, fill_byte, size, align, MemFlags::empty());
+ let size = bx.cx().const_usize(self.layout.size.bytes());
+ bx.memset(self.llval, fill_byte, size, self.align, MemFlags::empty());
}
let niche = self.project_field(bx, 0);
let llval = bx.cx().const_undef(
bx.cx().type_ptr_to(bx.cx().backend_type(layout))
);
- PlaceRef::new_sized(llval, layout, layout.align)
+ PlaceRef::new_sized(llval, layout, layout.align.abi)
}
}
}
mir::Place::Static(box mir::Static { def_id, ty }) => {
let layout = cx.layout_of(self.monomorphize(&ty));
- PlaceRef::new_sized(cx.get_static(def_id), layout, layout.align)
+ PlaceRef::new_sized(cx.get_static(def_id), layout, layout.align.abi)
},
mir::Place::Projection(box mir::Projection {
ref base,
}
mir::Rvalue::NullaryOp(mir::NullOp::Box, content_ty) => {
- let content_ty: Ty<'tcx> = self.monomorphize(&content_ty);
- let (size, align) = bx.cx().layout_of(content_ty).size_and_align();
- let llsize = bx.cx().const_usize(size.bytes());
- let llalign = bx.cx().const_usize(align.abi());
+ let content_ty = self.monomorphize(&content_ty);
+ let content_layout = bx.cx().layout_of(content_ty);
+ let llsize = bx.cx().const_usize(content_layout.size.bytes());
+ let llalign = bx.cx().const_usize(content_layout.align.abi.bytes());
let box_layout = bx.cx().layout_of(bx.tcx().mk_box(content_ty));
let llty_ptr = bx.cx().backend_type(box_layout);
// option. This file may not be copied, modified, or distributed
// except according to those terms.
-//! Walks the crate looking for items/impl-items/trait-items that have
-//! either a `rustc_symbol_name` or `rustc_item_path` attribute and
-//! generates an error giving, respectively, the symbol name or
-//! item-path. This is used for unit testing the code that generates
-//! paths etc in all kinds of annoying scenarios.
-
use base;
use rustc::hir;
use rustc::hir::def::Def;
use super::type_::ArgTypeMethods;
use super::HasCodegen;
use common::{AtomicOrdering, AtomicRmwBinOp, IntPredicate, RealPredicate, SynchronizationScope};
-use std::ffi::CStr;
use mir::operand::OperandRef;
use mir::place::PlaceRef;
use rustc::ty::layout::{Align, Size};
+use std::ffi::CStr;
use MemFlags;
use std::borrow::Cow;
}
}
- fn type_pointee_for_abi_align(&self, align: Align) -> Self::Type {
+ fn type_pointee_for_align(&self, align: Align) -> Self::Type {
// FIXME(eddyb) We could find a better approximation if ity.align < align.
- let ity = layout::Integer::approximate_abi_align(self, align);
+ let ity = layout::Integer::approximate_align(self, align);
self.type_from_integer(ity)
}
/// Return a LLVM type that has at most the required alignment,
/// and exactly the required size, as a best-effort padding array.
fn type_padding_filler(&self, size: Size, align: Align) -> Self::Type {
- let unit = layout::Integer::approximate_abi_align(self, align);
+ let unit = layout::Integer::approximate_align(self, align);
let size = size.bytes();
let unit_size = unit.size().bytes();
assert_eq!(size % unit_size, 0);
crate-type = ["dylib"]
[dependencies]
-ena = "0.9.3"
+ena = "0.10.1"
log = "0.4"
rustc_cratesio_shim = { path = "../librustc_cratesio_shim" }
serialize = { path = "../libserialize" }
// option. This file may not be copied, modified, or distributed
// except according to those terms.
-pub use rustc_hash::FxHashMap;
-pub use rustc_hash::FxHashSet;
-pub use rustc_hash::FxHasher;
+pub use rustc_hash::{FxHasher, FxHashMap, FxHashSet};
/// A simple static assertion macro. The first argument should be a unique
/// ALL_CAPS identifier that describes the condition.
#[macro_export]
+#[allow_internal_unstable]
macro_rules! static_assert {
($name:ident: $test:expr) => {
// Use the bool to access an array such that if the bool is false, the access
// is out-of-bounds.
#[allow(dead_code)]
- static $name: () = [()][!$test as usize];
+ static $name: () = [()][!($test: bool) as usize];
}
}
undo_log: Vec<UndoLog<K, V>>,
}
+// HACK(eddyb) manual impl avoids `Default` bounds on `K` and `V`.
+impl<K, V> Default for SnapshotMap<K, V>
+ where K: Hash + Clone + Eq
+{
+ fn default() -> Self {
+ SnapshotMap {
+ map: Default::default(),
+ undo_log: Default::default(),
+ }
+ }
+}
+
pub struct Snapshot {
len: usize,
}
Noop,
}
-impl<K, V> Default for SnapshotMap<K, V>
- where K: Hash + Clone + Eq
-{
- fn default() -> Self {
- SnapshotMap {
- map: FxHashMap::default(),
- undo_log: vec![],
- }
- }
-}
-
impl<K, V> SnapshotMap<K, V>
where K: Hash + Clone + Eq
{
closure: Lock<Option<BitMatrix<usize, usize>>>,
}
+// HACK(eddyb) manual impl avoids `Default` bound on `T`.
+impl<T: Clone + Debug + Eq + Hash> Default for TransitiveRelation<T> {
+ fn default() -> Self {
+ TransitiveRelation {
+ elements: Default::default(),
+ map: Default::default(),
+ edges: Default::default(),
+ closure: Default::default(),
+ }
+ }
+}
+
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, RustcEncodable, RustcDecodable, Debug)]
struct Index(usize);
target: Index,
}
-impl<T: Clone + Debug + Eq + Hash> Default for TransitiveRelation<T> {
- fn default() -> TransitiveRelation<T> {
- TransitiveRelation {
- elements: vec![],
- map: FxHashMap::default(),
- edges: vec![],
- closure: Lock::new(None),
- }
- }
-}
-
impl<T: Clone + Debug + Eq + Hash> TransitiveRelation<T> {
pub fn is_empty(&self) -> bool {
self.edges.is_empty()
};
if self.impling_types.is_none() {
- let mut impls = NodeSet();
+ let mut impls = NodeSet::default();
cx.tcx.for_each_impl(debug, |d| {
if let Some(ty_def) = cx.tcx.type_of(d).ty_adt_def() {
if let Some(node_id) = cx.tcx.hir.as_local_node_id(ty_def.did) {
use std::collections::hash_map::Entry;
assert_eq!(cnum, LOCAL_CRATE);
- let mut visible_parent_map: DefIdMap<DefId> = DefIdMap();
+ let mut visible_parent_map: DefIdMap<DefId> = Default::default();
// Issue 46112: We want the map to prefer the shortest
// paths when reporting the path to an item. Therefore we
1,
),
upvar_decls,
- var_indices: NodeMap(),
+ var_indices: Default::default(),
unit_temp: None,
cached_resume_block: None,
cached_return_block: None,
assert!(meta.is_none());
let ptr = ptr.to_ptr()?;
let alloc = ecx.memory.get(ptr.alloc_id)?;
- assert!(alloc.align.abi() >= align.abi());
+ assert!(alloc.align >= align);
assert!(alloc.bytes.len() as u64 - ptr.offset.bytes() >= op.layout.size.bytes());
let mut alloc = alloc.clone();
alloc.align = align;
layout: TyLayout<'tcx>,
) -> EvalResult<'tcx, Option<(Size, Align)>> {
if !layout.is_unsized() {
- return Ok(Some(layout.size_and_align()));
+ return Ok(Some((layout.size, layout.align.abi)));
}
match layout.ty.sty {
ty::Adt(..) | ty::Tuple(..) => {
trace!("DST layout: {:?}", layout);
let sized_size = layout.fields.offset(layout.fields.count() - 1);
- let sized_align = layout.align;
+ let sized_align = layout.align.abi;
trace!(
"DST {} statically sized prefix size: {:?} align: {:?}",
layout.ty,
//
// `(size + (align-1)) & -align`
- Ok(Some((size.abi_align(align), align)))
+ Ok(Some((size.align_to(align), align)))
}
ty::Dynamic(..) => {
let vtable = metadata.expect("dyn trait fat ptr must have vtable").to_ptr()?;
ty::Slice(_) | ty::Str => {
let len = metadata.expect("slice fat ptr must have vtable").to_usize(self)?;
- let (elem_size, align) = layout.field(self, 0)?.size_and_align();
- Ok(Some((elem_size * len, align)))
+ let elem = layout.field(self, 0)?;
+ Ok(Some((elem.size * len, elem.align.abi)))
}
ty::Foreign(_) => {
let frame = self.stack.pop().expect(
"tried to pop a stack frame, but there were none",
);
+ // Abort early if we do not want to clean up: We also avoid validation in that case,
+ // because this is CTFE and the final value will be thoroughly validated anyway.
match frame.return_to_block {
- StackPopCleanup::Goto(block) => {
- self.goto_block(block)?;
- }
+ StackPopCleanup::Goto(_) => {},
StackPopCleanup::None { cleanup } => {
if !cleanup {
- // Leak the locals. Also skip validation, this is only used by
- // static/const computation which does its own (stronger) final
- // validation.
+ assert!(self.stack.is_empty(), "only the topmost frame should ever be leaked");
+ // Leak the locals, skip validation.
return Ok(());
}
}
for local in frame.locals {
self.deallocate_local(local)?;
}
- // Validate the return value.
+ // Validate the return value. Do this after deallocating so that we catch dangling
+ // references.
if let Some(return_place) = frame.return_place {
if M::enforce_validity(self) {
// Data got changed, better make sure it matches the type!
// Uh, that shouldn't happen... the function did not intend to return
return err!(Unreachable);
}
+ // Jump to new block -- *after* validation so that the spans make more sense.
+ match frame.return_to_block {
+ StackPopCleanup::Goto(block) => {
+ self.goto_block(block)?;
+ }
+ StackPopCleanup::None { .. } => {}
+ }
if self.stack.len() > 1 { // FIXME should be "> 0", printing topmost frame crashes rustc...
debug!("CONTINUING({}) {}", self.cur_frame(), self.frame().instance);
let (ptr, align) = mplace.to_scalar_ptr_align();
match ptr {
Scalar::Ptr(ptr) => {
- write!(msg, " by align({}) ref:", align.abi()).unwrap();
+ write!(msg, " by align({}) ref:", align.bytes()).unwrap();
allocs.push(ptr.alloc_id);
}
ptr => write!(msg, " by integral ref: {:?}", ptr).unwrap(),
Place::Ptr(mplace) => {
match mplace.ptr {
Scalar::Ptr(ptr) => {
- trace!("by align({}) ref:", mplace.align.abi());
+ trace!("by align({}) ref:", mplace.align.bytes());
self.memory.dump_alloc(ptr.alloc_id);
}
ptr => trace!(" integral by ref: {:?}", ptr),
match intrinsic_name {
"min_align_of" => {
let elem_ty = substs.type_at(0);
- let elem_align = self.layout_of(elem_ty)?.align.abi();
+ let elem_align = self.layout_of(elem_ty)?.align.abi.bytes();
let align_val = Scalar::from_uint(elem_align, dest.layout.size);
self.write_scalar(align_val, dest)?;
}
}
};
// Check alignment
- if alloc_align.abi() < required_align.abi() {
+ if alloc_align.bytes() < required_align.bytes() {
return err!(AlignmentCheckFailed {
has: alloc_align,
required: required_align,
});
}
- if offset % required_align.abi() == 0 {
+ if offset % required_align.bytes() == 0 {
Ok(())
} else {
- let has = offset % required_align.abi();
+ let has = offset % required_align.bytes();
err!(AlignmentCheckFailed {
- has: Align::from_bytes(has, has).unwrap(),
+ has: Align::from_bytes(has).unwrap(),
required: required_align,
})
}
}
// Could also be a fn ptr or extern static
match self.tcx.alloc_map.lock().get(id) {
- Some(AllocType::Function(..)) => (Size::ZERO, Align::from_bytes(1, 1).unwrap()),
+ Some(AllocType::Function(..)) => (Size::ZERO, Align::from_bytes(1).unwrap()),
Some(AllocType::Static(did)) => {
// The only way `get` couldn't have worked here is if this is an extern static
assert!(self.tcx.is_foreign_item(did));
// Use size and align of the type
let ty = self.tcx.type_of(did);
let layout = self.tcx.layout_of(ParamEnv::empty().and(ty)).unwrap();
- (layout.size, layout.align)
+ (layout.size, layout.align.abi)
}
_ => {
// Must be a deallocated pointer
"{}({} bytes, alignment {}){}",
msg,
alloc.bytes.len(),
- alloc.align.abi(),
+ alloc.align.bytes(),
extra
);
allow_ptr_and_undef: bool,
) -> EvalResult<'tcx> {
// Empty accesses don't need to be valid pointers, but they should still be non-NULL
- let align = Align::from_bytes(1, 1).unwrap();
+ let align = Align::from_bytes(1).unwrap();
if size.bytes() == 0 {
self.check_align(ptr, align)?;
return Ok(());
pub fn read_bytes(&self, ptr: Scalar<M::PointerTag>, size: Size) -> EvalResult<'tcx, &[u8]> {
// Empty accesses don't need to be valid pointers, but they should still be non-NULL
- let align = Align::from_bytes(1, 1).unwrap();
+ let align = Align::from_bytes(1).unwrap();
if size.bytes() == 0 {
self.check_align(ptr, align)?;
return Ok(&[]);
pub fn write_bytes(&mut self, ptr: Scalar<M::PointerTag>, src: &[u8]) -> EvalResult<'tcx> {
// Empty accesses don't need to be valid pointers, but they should still be non-NULL
- let align = Align::from_bytes(1, 1).unwrap();
+ let align = Align::from_bytes(1).unwrap();
if src.is_empty() {
self.check_align(ptr, align)?;
return Ok(());
count: Size
) -> EvalResult<'tcx> {
// Empty accesses don't need to be valid pointers, but they should still be non-NULL
- let align = Align::from_bytes(1, 1).unwrap();
+ let align = Align::from_bytes(1).unwrap();
if count.bytes() == 0 {
self.check_align(ptr, align)?;
return Ok(());
16 => layout::I128,
_ => bug!("bad integer size: {}", size.bytes()),
};
- ity.align(self)
+ ity.align(self).abi
}
}
let (a, b) = (&a.value, &b.value);
let (a_size, b_size) = (a.size(self), b.size(self));
let a_ptr = ptr;
- let b_offset = a_size.abi_align(b.align(self));
+ let b_offset = a_size.align_to(b.align(self).abi);
assert!(b_offset.bytes() > 0); // we later use the offset to test which field to use
let b_ptr = ptr.offset(b_offset, self)?.into();
let a_val = self.memory.read_scalar(a_ptr, ptr_align, a_size)?;
/// Produces a Place that will error if attempted to be read from or written to
#[inline(always)]
pub fn null(cx: &impl HasDataLayout) -> Self {
- Self::from_scalar_ptr(Scalar::ptr_null(cx), Align::from_bytes(1, 1).unwrap())
+ Self::from_scalar_ptr(Scalar::ptr_null(cx), Align::from_bytes(1).unwrap())
}
#[inline(always)]
pub fn dangling(layout: TyLayout<'tcx>, cx: &impl HasDataLayout) -> Self {
MPlaceTy {
mplace: MemPlace::from_scalar_ptr(
- Scalar::from_uint(layout.align.abi(), cx.pointer_size()),
- layout.align
+ Scalar::from_uint(layout.align.abi.bytes(), cx.pointer_size()),
+ layout.align.abi
),
layout
}
#[inline]
fn from_aligned_ptr(ptr: Pointer<Tag>, layout: TyLayout<'tcx>) -> Self {
- MPlaceTy { mplace: MemPlace::from_ptr(ptr, layout.align), layout }
+ MPlaceTy { mplace: MemPlace::from_ptr(ptr, layout.align.abi), layout }
}
#[inline]
let mplace = MemPlace {
ptr: val.to_scalar_ptr()?,
- align: layout.align,
+ align: layout.align.abi,
meta: val.to_meta()?,
};
Ok(MPlaceTy { mplace, layout })
// FIXME: Once we have made decisions for how to handle size and alignment
// of `extern type`, this should be adapted. It is just a temporary hack
// to get some code to work that probably ought to work.
- field_layout.align,
+ field_layout.align.abi,
None =>
bug!("Cannot compute offset for extern type field at non-0 offset"),
};
- (base.meta, offset.abi_align(align))
+ (base.meta, offset.align_to(align))
} else {
// base.meta could be present; we might be accessing a sized field of an unsized
// struct.
}
self.memory.write_scalar(
- ptr, ptr_align.min(dest.layout.align), scalar, dest.layout.size
+ ptr, ptr_align.min(dest.layout.align.abi), scalar, dest.layout.size
)
}
Immediate::ScalarPair(a_val, b_val) => {
dest.layout)
};
let (a_size, b_size) = (a.size(self), b.size(self));
- let (a_align, b_align) = (a.align(self), b.align(self));
- let b_offset = a_size.abi_align(b_align);
+ let (a_align, b_align) = (a.align(self).abi, b.align(self).abi);
+ let b_offset = a_size.align_to(b_align);
let b_ptr = ptr.offset(b_offset, self)?.into();
// It is tempting to verify `b_offset` against `layout.fields.offset(1)`,
// FIXME: What should we do here? We should definitely also tag!
Ok(MPlaceTy::dangling(layout, self))
} else {
- let ptr = self.memory.allocate(layout.size, layout.align, kind)?;
+ let ptr = self.memory.allocate(layout.size, layout.align.abi, kind)?;
let ptr = M::tag_new_allocation(self, ptr, kind)?;
Ok(MPlaceTy::from_aligned_ptr(ptr, layout))
}
if cfg!(debug_assertions) {
let (size, align) = self.read_size_and_align_from_vtable(vtable)?;
assert_eq!(size, layout.size);
- assert_eq!(align.abi(), layout.align.abi()); // only ABI alignment is preserved
+ // only ABI alignment is preserved
+ assert_eq!(align, layout.align.abi);
}
let mplace = MPlaceTy {
// cannot use the shim here, because that will only result in infinite recursion
ty::InstanceDef::Virtual(_, idx) => {
let ptr_size = self.pointer_size();
- let ptr_align = self.tcx.data_layout.pointer_align;
+ let ptr_align = self.tcx.data_layout.pointer_align.abi;
let ptr = self.deref_operand(args[0])?;
let vtable = ptr.vtable()?;
let fn_ptr = self.memory.read_ptr_sized(
let layout = self.layout_of(ty)?;
assert!(!layout.is_unsized(), "can't create a vtable for an unsized type");
let size = layout.size.bytes();
- let align = layout.align.abi();
+ let align = layout.align.abi.bytes();
let ptr_size = self.pointer_size();
- let ptr_align = self.tcx.data_layout.pointer_align;
+ let ptr_align = self.tcx.data_layout.pointer_align.abi;
// /////////////////////////////////////////////////////////////////////////////////////////
// If you touch this code, be sure to also make the corresponding changes to
// `get_vtable` in rust_codegen_llvm/meth.rs
vtable: Pointer<M::PointerTag>,
) -> EvalResult<'tcx, (ty::Instance<'tcx>, ty::Ty<'tcx>)> {
// we don't care about the pointee type, we just want a pointer
- let pointer_align = self.tcx.data_layout.pointer_align;
+ let pointer_align = self.tcx.data_layout.pointer_align.abi;
let drop_fn = self.memory.read_ptr_sized(vtable, pointer_align)?.to_ptr()?;
let drop_instance = self.memory.get_fn(drop_fn)?;
trace!("Found drop fn: {:?}", drop_instance);
vtable: Pointer<M::PointerTag>,
) -> EvalResult<'tcx, (Size, Align)> {
let pointer_size = self.pointer_size();
- let pointer_align = self.tcx.data_layout.pointer_align;
+ let pointer_align = self.tcx.data_layout.pointer_align.abi;
let size = self.memory.read_ptr_sized(vtable.offset(pointer_size, self)?,pointer_align)?
.to_bits(pointer_size)? as u64;
let align = self.memory.read_ptr_sized(
vtable.offset(pointer_size * 2, self)?,
pointer_align
)?.to_bits(pointer_size)? as u64;
- Ok((Size::from_bytes(size), Align::from_bytes(align, align).unwrap()))
+ Ok((Size::from_bytes(size), Align::from_bytes(align).unwrap()))
}
}
// for the purpose of validity, consider foreign types to have
// alignment and size determined by the layout (size will be 0,
// alignment should take attributes into account).
- .unwrap_or_else(|| layout.size_and_align());
+ .unwrap_or_else(|| (layout.size, layout.align.abi));
match self.ecx.memory.check_align(ptr, align) {
Ok(_) => {},
Err(err) => {
// for function pointers.
let non_null =
self.ecx.memory.check_align(
- Scalar::Ptr(ptr), Align::from_bytes(1, 1).unwrap()
+ Scalar::Ptr(ptr), Align::from_bytes(1).unwrap()
).is_ok() ||
self.ecx.memory.get_fn(ptr).is_ok();
if !non_null {
time(tcx.sess, "collecting mono items", || {
par_iter(roots).for_each(|root| {
- let mut recursion_depths = DefIdMap();
+ let mut recursion_depths = DefIdMap::default();
collect_items_rec(tcx,
root,
visited,
// option. This file may not be copied, modified, or distributed
// except according to those terms.
-//! Walks the crate looking for items/impl-items/trait-items that have
-//! either a `rustc_symbol_name` or `rustc_item_path` attribute and
-//! generates an error giving, respectively, the symbol name or
-//! item-path. This is used for unit testing the code that generates
-//! paths etc in all kinds of annoying scenarios.
-
use monomorphize::Instance;
use rustc::hir;
use rustc::hir::def_id::DefId;
-> Lrc<DefIdSet> {
assert_eq!(krate, LOCAL_CRATE);
- let mut set = DefIdSet();
+ let mut set = DefIdSet::default();
// All body-owners have MIR associated with them.
set.extend(tcx.body_owners());
cleanup: _,
} => check_operand(tcx, mir, cond, span),
- | TerminatorKind::FalseUnwind { .. } => span_bug!(
- terminator.source_info.span,
- "min_const_fn encountered `{:#?}`",
- terminator
- ),
+ TerminatorKind::FalseUnwind { .. } => {
+ Err((span, "loops are not allowed in const fn".into()))
+ },
}
}
let ty = place.ty(local_decls, tcx).to_ty(tcx);
match tcx.layout_raw(param_env.and(ty)) {
- Ok(layout) if layout.align.abi() == 1 => {
+ Ok(layout) if layout.align.abi.bytes() == 1 => {
// if the alignment is 1, the type can't be further
// disaligned.
debug!("is_disaligned({:?}) - align = 1", place);
tables: &ty::TypeckTables::empty(None),
in_fn: false,
in_static: false,
- mut_rvalue_borrows: NodeSet(),
+ mut_rvalue_borrows: Default::default(),
param_env: ty::ParamEnv::empty(),
identity_substs: Substs::empty(),
- result: ItemLocalSet(),
+ result: ItemLocalSet::default(),
};
// `def_id` should be a `Body` owner
tcx,
access_levels: &visitor.access_levels,
in_variant: false,
- old_error_set: NodeSet(),
+ old_error_set: Default::default(),
};
intravisit::walk_crate(&mut visitor, krate);
let mut visitor = UnusedImportCheckVisitor {
resolver,
- unused_imports: NodeMap(),
+ unused_imports: Default::default(),
base_id: ast::DUMMY_NODE_ID,
item_span: DUMMY_SP,
};
use syntax::ext::base::SyntaxExtension;
use syntax::ext::base::Determinacy::{self, Determined, Undetermined};
use syntax::ext::base::MacroKind;
-use syntax::feature_gate::{emit_feature_err, GateIssue};
use syntax::symbol::{Symbol, keywords};
use syntax::util::lev_distance::find_best_match_for_name;
primitive_type_table: PrimitiveTypeTable::new(),
- def_map: NodeMap(),
- import_map: NodeMap(),
- freevars: NodeMap(),
- freevars_seen: NodeMap(),
+ def_map: Default::default(),
+ import_map: Default::default(),
+ freevars: Default::default(),
+ freevars_seen: Default::default(),
export_map: FxHashMap::default(),
- trait_map: NodeMap(),
+ trait_map: Default::default(),
module_map,
- block_map: NodeMap(),
+ block_map: Default::default(),
extern_module_map: FxHashMap::default(),
binding_parent_modules: FxHashMap::default(),
make_glob_map: make_glob_map == MakeGlobMap::Yes,
- glob_map: NodeMap(),
+ glob_map: Default::default(),
used_imports: FxHashSet::default(),
- maybe_unused_trait_imports: NodeSet(),
+ maybe_unused_trait_imports: Default::default(),
maybe_unused_extern_crates: Vec::new(),
unused_labels: FxHashMap::default(),
name_already_seen: FxHashMap::default(),
whitelisted_legacy_custom_derives: Vec::new(),
potentially_unused_imports: Vec::new(),
- struct_constructors: DefIdMap(),
+ struct_constructors: Default::default(),
found_unresolved_macro: false,
unused_macros: FxHashSet::default(),
current_type_ascription: Vec::new(),
if !module.no_implicit_prelude {
if ns == TypeNS {
- if let Some(binding) = self.extern_prelude_get(ident, !record_used, false) {
+ if let Some(binding) = self.extern_prelude_get(ident, !record_used) {
return Some(LexicalScopeBinding::Item(binding));
}
}
self.name_already_seen.insert(name, span);
}
- fn extern_prelude_get(&mut self, ident: Ident, speculative: bool, skip_feature_gate: bool)
+ fn extern_prelude_get(&mut self, ident: Ident, speculative: bool)
-> Option<&'a NameBinding<'a>> {
if ident.is_path_segment_keyword() {
// Make sure `self`, `super` etc produce an error when passed to here.
}
self.extern_prelude.get(&ident.modern()).cloned().and_then(|entry| {
if let Some(binding) = entry.extern_crate_item {
- if !speculative && !skip_feature_gate && entry.introduced_by_item &&
- !self.session.features_untracked().extern_crate_item_prelude {
- emit_feature_err(&self.session.parse_sess, "extern_crate_item_prelude",
- ident.span, GateIssue::Language,
- "use of extern prelude names introduced \
- with `extern crate` items is unstable");
- }
Some(binding)
} else {
let crate_id = if !speculative {
}
WhereToResolve::ExternPrelude => {
if use_prelude {
- match self.extern_prelude_get(ident, !record_used,
- innermost_result.is_some()) {
+ match self.extern_prelude_get(ident, !record_used) {
Some(binding) => Ok((binding, Flags::PRELUDE)),
None => Err(Determinacy::determined(
self.graph_root.unresolved_invocations.borrow().is_empty()
// but its `Def` should coincide with a crate passed with `--extern`
// (otherwise there would be ambiguity) and we can skip feature error in this case.
if ns != TypeNS || !use_prelude ||
- self.extern_prelude_get(ident, true, false).is_none() {
+ self.extern_prelude_get(ident, true).is_none() {
let msg = "imports can only refer to extern crate names \
passed with `--extern` on stable channel";
let mut err = feature_err(&self.session.parse_sess, "uniform_paths",
assert!(!restricted_shadowing);
match uniform_root_kind {
UniformRootKind::ExternPrelude => {
- return if let Some(binding) =
- self.extern_prelude_get(ident, !record_used, false) {
+ return if let Some(binding) = self.extern_prelude_get(ident, !record_used) {
Ok(binding)
} else if !self.graph_root.unresolved_invocations.borrow().is_empty() {
// Macro-expanded `extern crate` items can add names to extern prelude.
module
}
PathResult::Failed(span, msg, false) => {
- assert!(directive.imported_module.get().is_none());
+ assert!(!self.ambiguity_errors.is_empty() ||
+ directive.imported_module.get().is_none());
resolve_error(self, span, ResolutionError::FailedToResolve(&msg));
return None;
}
PathResult::Failed(span, msg, true) => {
- assert!(directive.imported_module.get().is_none());
+ assert!(!self.ambiguity_errors.is_empty() ||
+ directive.imported_module.get().is_none());
return if let Some((suggested_path, note)) = self.make_path_suggestion(
span, directive.module_path.clone(), &directive.parent_scope
) {
None => continue,
};
- if binding.is_import() || binding.is_macro_def() {
+ // Filter away "empty import canaries".
+ let is_non_canary_import =
+ binding.is_import() && binding.vis != ty::Visibility::Invisible;
+ if is_non_canary_import || binding.is_macro_def() {
let def = binding.def();
if def != Def::Err {
if let Some(def_id) = def.opt_def_id() {
}
}
- let align = arg.layout.align.abi();
+ let align = arg.layout.align.abi.bytes();
let total = arg.layout.size;
arg.cast_to(Uniform {
unit: if align <= 4 { Reg::i32() } else { Reg::i64() },
{
let dl = cx.data_layout();
let size = arg.layout.size;
- let align = arg.layout.align.max(dl.i32_align).min(dl.i64_align);
+ let align = arg.layout.align.max(dl.i32_align).min(dl.i64_align).abi;
if arg.layout.is_aggregate() {
arg.cast_to(Uniform {
unit: Reg::i32(),
total: size
});
- if !offset.is_abi_aligned(align) {
+ if !offset.is_aligned(align) {
arg.pad_with(Reg::i32());
}
} else {
arg.extend_integer_width_to(32);
}
- *offset = offset.abi_align(align) + size.abi_align(align);
+ *offset = offset.align_to(align) + size.align_to(align);
}
pub fn compute_abi_info<'a, Ty, C>(cx: &C, fty: &mut FnType<Ty>)
// We only care about aligned doubles
if let abi::Abi::Scalar(ref scalar) = field.abi {
if let abi::Float(abi::FloatTy::F64) = scalar.value {
- if offset.is_abi_aligned(dl.f64_align) {
+ if offset.is_aligned(dl.f64_align.abi) {
// Insert enough integers to cover [last_offset, offset)
- assert!(last_offset.is_abi_aligned(dl.f64_align));
+ assert!(last_offset.is_aligned(dl.f64_align.abi));
for _ in 0..((offset - last_offset).bits() / 64)
.min((prefix.len() - prefix_index) as u64) {
match self.kind {
RegKind::Integer => {
match self.size.bits() {
- 1 => dl.i1_align,
- 2..=8 => dl.i8_align,
- 9..=16 => dl.i16_align,
- 17..=32 => dl.i32_align,
- 33..=64 => dl.i64_align,
- 65..=128 => dl.i128_align,
+ 1 => dl.i1_align.abi,
+ 2..=8 => dl.i8_align.abi,
+ 9..=16 => dl.i16_align.abi,
+ 17..=32 => dl.i32_align.abi,
+ 33..=64 => dl.i64_align.abi,
+ 65..=128 => dl.i128_align.abi,
_ => panic!("unsupported integer: {:?}", self)
}
}
RegKind::Float => {
match self.size.bits() {
- 32 => dl.f32_align,
- 64 => dl.f64_align,
+ 32 => dl.f32_align.abi,
+ 64 => dl.f64_align.abi,
_ => panic!("unsupported float: {:?}", self)
}
}
- RegKind::Vector => dl.vector_align(self.size)
+ RegKind::Vector => dl.vector_align(self.size).abi,
}
}
}
pub fn size<C: HasDataLayout>(&self, cx: &C) -> Size {
(self.prefix_chunk * self.prefix.iter().filter(|x| x.is_some()).count() as u64)
- .abi_align(self.rest.align(cx)) + self.rest.total
+ .align_to(self.rest.align(cx)) + self.rest.total
}
pub fn align<C: HasDataLayout>(&self, cx: &C) -> Align {
self.prefix.iter()
.filter_map(|x| x.map(|kind| Reg { kind, size: self.prefix_chunk }.align(cx)))
- .fold(cx.data_layout().aggregate_align.max(self.rest.align(cx)),
+ .fold(cx.data_layout().aggregate_align.abi.max(self.rest.align(cx)),
|acc, align| acc.max(align))
}
}
attrs.pointee_size = self.layout.size;
// FIXME(eddyb) We should be doing this, but at least on
// i686-pc-windows-msvc, it results in wrong stack offsets.
- // attrs.pointee_align = Some(self.layout.align);
+ // attrs.pointee_align = Some(self.layout.align.abi);
let extra_attrs = if self.layout.is_unsized() {
Some(ArgAttributes::new())
{
let dl = cx.data_layout();
let size = arg.layout.size;
- let align = arg.layout.align.max(dl.i32_align).min(dl.i64_align);
+ let align = arg.layout.align.max(dl.i32_align).min(dl.i64_align).abi;
if arg.layout.is_aggregate() {
arg.cast_to(Uniform {
unit: Reg::i32(),
total: size
});
- if !offset.is_abi_aligned(align) {
+ if !offset.is_aligned(align) {
arg.pad_with(Reg::i32());
}
} else {
arg.extend_integer_width_to(32);
}
- *offset = offset.abi_align(align) + size.abi_align(align);
+ *offset = offset.align_to(align) + size.align_to(align);
}
pub fn compute_abi_info<'a, Ty, C>(cx: &C, fty: &mut FnType<Ty>)
// need to be fixed when PowerPC vector support is added.
use abi::call::{FnType, ArgType, Reg, RegKind, Uniform};
-use abi::{Align, Endian, HasDataLayout, LayoutOf, TyLayout, TyLayoutMethods};
+use abi::{Endian, HasDataLayout, LayoutOf, TyLayout, TyLayoutMethods};
use spec::HasTargetSpec;
#[derive(Debug, Clone, Copy, PartialEq)]
} else {
// Aggregates larger than a doubleword should be padded
// at the tail to fill out a whole number of doublewords.
- let align = Align::from_bits(64, 64).unwrap();
- (Reg::i64(), size.abi_align(align))
+ let reg_i64 = Reg::i64();
+ (reg_i64, size.align_to(reg_i64.align(cx)))
};
arg.cast_to(Uniform {
{
let dl = cx.data_layout();
let size = arg.layout.size;
- let align = arg.layout.align.max(dl.i32_align).min(dl.i64_align);
+ let align = arg.layout.align.max(dl.i32_align).min(dl.i64_align).abi;
if arg.layout.is_aggregate() {
arg.cast_to(Uniform {
unit: Reg::i32(),
total: size
});
- if !offset.is_abi_aligned(align) {
+ if !offset.is_aligned(align) {
arg.pad_with(Reg::i32());
}
} else {
arg.extend_integer_width_to(32);
}
- *offset = offset.abi_align(align) + size.abi_align(align);
+ *offset = offset.align_to(align) + size.align_to(align);
}
pub fn compute_abi_info<'a, Ty, C>(cx: &C, fty: &mut FnType<Ty>)
where Ty: TyLayoutMethods<'a, C> + Copy,
C: LayoutOf<Ty = Ty, TyLayout = TyLayout<'a, Ty>> + HasDataLayout
{
- if !off.is_abi_aligned(layout.align) {
+ if !off.is_aligned(layout.align.abi) {
if !layout.is_zst() {
return Err(Memory);
}
use spec::Target;
-use std::{cmp, fmt};
+use std::fmt;
use std::ops::{Add, Deref, Sub, Mul, AddAssign, Range, RangeInclusive};
use rustc_data_structures::indexed_vec::{Idx, IndexVec};
/// for a target, which contains everything needed to compute layouts.
pub struct TargetDataLayout {
pub endian: Endian,
- pub i1_align: Align,
- pub i8_align: Align,
- pub i16_align: Align,
- pub i32_align: Align,
- pub i64_align: Align,
- pub i128_align: Align,
- pub f32_align: Align,
- pub f64_align: Align,
+ pub i1_align: AbiAndPrefAlign,
+ pub i8_align: AbiAndPrefAlign,
+ pub i16_align: AbiAndPrefAlign,
+ pub i32_align: AbiAndPrefAlign,
+ pub i64_align: AbiAndPrefAlign,
+ pub i128_align: AbiAndPrefAlign,
+ pub f32_align: AbiAndPrefAlign,
+ pub f64_align: AbiAndPrefAlign,
pub pointer_size: Size,
- pub pointer_align: Align,
- pub aggregate_align: Align,
+ pub pointer_align: AbiAndPrefAlign,
+ pub aggregate_align: AbiAndPrefAlign,
/// Alignments for vector types.
- pub vector_align: Vec<(Size, Align)>,
+ pub vector_align: Vec<(Size, AbiAndPrefAlign)>,
+
pub instruction_address_space: u32,
}
impl Default for TargetDataLayout {
/// Creates an instance of `TargetDataLayout`.
fn default() -> TargetDataLayout {
+ let align = |bits| Align::from_bits(bits).unwrap();
TargetDataLayout {
endian: Endian::Big,
- i1_align: Align::from_bits(8, 8).unwrap(),
- i8_align: Align::from_bits(8, 8).unwrap(),
- i16_align: Align::from_bits(16, 16).unwrap(),
- i32_align: Align::from_bits(32, 32).unwrap(),
- i64_align: Align::from_bits(32, 64).unwrap(),
- i128_align: Align::from_bits(32, 64).unwrap(),
- f32_align: Align::from_bits(32, 32).unwrap(),
- f64_align: Align::from_bits(64, 64).unwrap(),
+ i1_align: AbiAndPrefAlign::new(align(8)),
+ i8_align: AbiAndPrefAlign::new(align(8)),
+ i16_align: AbiAndPrefAlign::new(align(16)),
+ i32_align: AbiAndPrefAlign::new(align(32)),
+ i64_align: AbiAndPrefAlign { abi: align(32), pref: align(64) },
+ i128_align: AbiAndPrefAlign { abi: align(32), pref: align(64) },
+ f32_align: AbiAndPrefAlign::new(align(32)),
+ f64_align: AbiAndPrefAlign::new(align(64)),
pointer_size: Size::from_bits(64),
- pointer_align: Align::from_bits(64, 64).unwrap(),
- aggregate_align: Align::from_bits(0, 64).unwrap(),
+ pointer_align: AbiAndPrefAlign::new(align(64)),
+ aggregate_align: AbiAndPrefAlign { abi: align(0), pref: align(64) },
vector_align: vec![
- (Size::from_bits(64), Align::from_bits(64, 64).unwrap()),
- (Size::from_bits(128), Align::from_bits(128, 128).unwrap())
+ (Size::from_bits(64), AbiAndPrefAlign::new(align(64))),
+ (Size::from_bits(128), AbiAndPrefAlign::new(align(128))),
],
instruction_address_space: 0,
}
if s.is_empty() {
return Err(format!("missing alignment for `{}` in \"data-layout\"", cause));
}
+ let align_from_bits = |bits| {
+ Align::from_bits(bits).map_err(|err| {
+ format!("invalid alignment for `{}` in \"data-layout\": {}",
+ cause, err)
+ })
+ };
let abi = parse_bits(s[0], "alignment", cause)?;
let pref = s.get(1).map_or(Ok(abi), |pref| parse_bits(pref, "alignment", cause))?;
- Align::from_bits(abi, pref).map_err(|err| {
- format!("invalid alignment for `{}` in \"data-layout\": {}",
- cause, err)
+ Ok(AbiAndPrefAlign {
+ abi: align_from_bits(abi)?,
+ pref: align_from_bits(pref)?,
})
};
}
}
- pub fn vector_align(&self, vec_size: Size) -> Align {
+ pub fn vector_align(&self, vec_size: Size) -> AbiAndPrefAlign {
for &(size, align) in &self.vector_align {
if size == vec_size {
return align;
}
// Default to natural alignment, which is what LLVM does.
// That is, use the size, rounded up to a power of 2.
- let align = vec_size.bytes().next_power_of_two();
- Align::from_bytes(align, align).unwrap()
+ AbiAndPrefAlign::new(Align::from_bytes(vec_size.bytes().next_power_of_two()).unwrap())
}
}
}
#[inline]
- pub fn abi_align(self, align: Align) -> Size {
- let mask = align.abi() - 1;
+ pub fn align_to(self, align: Align) -> Size {
+ let mask = align.bytes() - 1;
Size::from_bytes((self.bytes() + mask) & !mask)
}
#[inline]
- pub fn is_abi_aligned(self, align: Align) -> bool {
- let mask = align.abi() - 1;
+ pub fn is_aligned(self, align: Align) -> bool {
+ let mask = align.bytes() - 1;
self.bytes() & mask == 0
}
}
}
-/// Alignment of a type in bytes, both ABI-mandated and preferred.
-/// Each field is a power of two, giving the alignment a maximum value
-/// of 2<sup>(2<sup>8</sup> - 1)</sup>, which is limited by LLVM to a
-/// maximum capacity of 2<sup>29</sup> or 536870912.
-#[derive(Copy, Clone, PartialEq, Eq, Ord, PartialOrd, Hash, Debug, RustcEncodable, RustcDecodable)]
+/// Alignment of a type in bytes (always a power of two).
+#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, RustcEncodable, RustcDecodable)]
pub struct Align {
- abi_pow2: u8,
- pref_pow2: u8,
+ pow2: u8,
}
impl Align {
- pub fn from_bits(abi: u64, pref: u64) -> Result<Align, String> {
- Align::from_bytes(Size::from_bits(abi).bytes(),
- Size::from_bits(pref).bytes())
- }
-
- pub fn from_bytes(abi: u64, pref: u64) -> Result<Align, String> {
- let log2 = |align: u64| {
- // Treat an alignment of 0 bytes like 1-byte alignment.
- if align == 0 {
- return Ok(0);
- }
-
- let mut bytes = align;
- let mut pow: u8 = 0;
- while (bytes & 1) == 0 {
- pow += 1;
- bytes >>= 1;
- }
- if bytes != 1 {
- Err(format!("`{}` is not a power of 2", align))
- } else if pow > 29 {
- Err(format!("`{}` is too large", align))
- } else {
- Ok(pow)
- }
- };
-
- Ok(Align {
- abi_pow2: log2(abi)?,
- pref_pow2: log2(pref)?,
- })
+ pub fn from_bits(bits: u64) -> Result<Align, String> {
+ Align::from_bytes(Size::from_bits(bits).bytes())
}
- pub fn abi(self) -> u64 {
- 1 << self.abi_pow2
- }
-
- pub fn pref(self) -> u64 {
- 1 << self.pref_pow2
- }
+ pub fn from_bytes(align: u64) -> Result<Align, String> {
+ // Treat an alignment of 0 bytes like 1-byte alignment.
+ if align == 0 {
+ return Ok(Align { pow2: 0 });
+ }
- pub fn abi_bits(self) -> u64 {
- self.abi() * 8
- }
+ let mut bytes = align;
+ let mut pow2: u8 = 0;
+ while (bytes & 1) == 0 {
+ pow2 += 1;
+ bytes >>= 1;
+ }
+ if bytes != 1 {
+ return Err(format!("`{}` is not a power of 2", align));
+ }
+ if pow2 > 29 {
+ return Err(format!("`{}` is too large", align));
+ }
- pub fn pref_bits(self) -> u64 {
- self.pref() * 8
+ Ok(Align { pow2 })
}
- pub fn min(self, other: Align) -> Align {
- Align {
- abi_pow2: cmp::min(self.abi_pow2, other.abi_pow2),
- pref_pow2: cmp::min(self.pref_pow2, other.pref_pow2),
- }
+ pub fn bytes(self) -> u64 {
+ 1 << self.pow2
}
- pub fn max(self, other: Align) -> Align {
- Align {
- abi_pow2: cmp::max(self.abi_pow2, other.abi_pow2),
- pref_pow2: cmp::max(self.pref_pow2, other.pref_pow2),
- }
+ pub fn bits(self) -> u64 {
+ self.bytes() * 8
}
/// Compute the best alignment possible for the given offset
///
/// NB: for an offset of `0`, this happens to return `2^64`.
pub fn max_for_offset(offset: Size) -> Align {
- let pow2 = offset.bytes().trailing_zeros() as u8;
Align {
- abi_pow2: pow2,
- pref_pow2: pow2,
+ pow2: offset.bytes().trailing_zeros() as u8,
}
}
}
}
+/// A pair of aligments, ABI-mandated and preferred.
+#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug, RustcEncodable, RustcDecodable)]
+pub struct AbiAndPrefAlign {
+ pub abi: Align,
+ pub pref: Align,
+}
+
+impl AbiAndPrefAlign {
+ pub fn new(align: Align) -> AbiAndPrefAlign {
+ AbiAndPrefAlign {
+ abi: align,
+ pref: align,
+ }
+ }
+
+ pub fn min(self, other: AbiAndPrefAlign) -> AbiAndPrefAlign {
+ AbiAndPrefAlign {
+ abi: self.abi.min(other.abi),
+ pref: self.pref.min(other.pref),
+ }
+ }
+
+ pub fn max(self, other: AbiAndPrefAlign) -> AbiAndPrefAlign {
+ AbiAndPrefAlign {
+ abi: self.abi.max(other.abi),
+ pref: self.pref.max(other.pref),
+ }
+ }
+}
+
/// Integers, also used for enum discriminants.
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
pub enum Integer {
}
}
- pub fn align<C: HasDataLayout>(self, cx: &C) -> Align {
+ pub fn align<C: HasDataLayout>(self, cx: &C) -> AbiAndPrefAlign {
let dl = cx.data_layout();
match self {
}
/// Find the smallest integer with the given alignment.
- pub fn for_abi_align<C: HasDataLayout>(cx: &C, align: Align) -> Option<Integer> {
+ pub fn for_align<C: HasDataLayout>(cx: &C, wanted: Align) -> Option<Integer> {
let dl = cx.data_layout();
- let wanted = align.abi();
for &candidate in &[I8, I16, I32, I64, I128] {
- if wanted == candidate.align(dl).abi() && wanted == candidate.size().bytes() {
+ if wanted == candidate.align(dl).abi && wanted.bytes() == candidate.size().bytes() {
return Some(candidate);
}
}
}
/// Find the largest integer with the given alignment or less.
- pub fn approximate_abi_align<C: HasDataLayout>(cx: &C, align: Align) -> Integer {
+ pub fn approximate_align<C: HasDataLayout>(cx: &C, wanted: Align) -> Integer {
let dl = cx.data_layout();
- let wanted = align.abi();
// FIXME(eddyb) maybe include I128 in the future, when it works everywhere.
for &candidate in &[I64, I32, I16] {
- if wanted >= candidate.align(dl).abi() && wanted >= candidate.size().bytes() {
+ if wanted >= candidate.align(dl).abi && wanted.bytes() >= candidate.size().bytes() {
return candidate;
}
}
}
}
- pub fn align<C: HasDataLayout>(self, cx: &C) -> Align {
+ pub fn align<C: HasDataLayout>(self, cx: &C) -> AbiAndPrefAlign {
let dl = cx.data_layout();
match self {
pub variants: Variants,
pub fields: FieldPlacement,
pub abi: Abi,
- pub align: Align,
+ pub align: AbiAndPrefAlign,
pub size: Size
}
Abi::Aggregate { sized } => sized && self.size.bytes() == 0
}
}
-
- pub fn size_and_align(&self) -> (Size, Align) {
- (self.size, self.align)
- }
}
("riscv32imac-unknown-none-elf", riscv32imac_unknown_none_elf),
("aarch64-unknown-none", aarch64_unknown_none),
+
+ ("x86_64-fortanix-unknown-sgx", x86_64_fortanix_unknown_sgx),
}
/// Everything `rustc` knows about how to compile for a specific target.
/// target features. This is `true` by default, and `false` for targets like
/// wasm32 where the whole program either has simd or not.
pub simd_types_indirect: bool,
+
+ /// If set, have the linker export exactly these symbols, instead of using
+ /// the usual logic to figure this out from the crate itself.
+ pub override_export_symbols: Option<Vec<String>>
}
impl Default for TargetOptions {
emit_debug_gdb_scripts: true,
requires_uwtable: false,
simd_types_indirect: true,
+ override_export_symbols: None,
}
}
}
)
);
} );
+ ($key_name:ident, opt_list) => ( {
+ let name = (stringify!($key_name)).replace("_", "-");
+ obj.find(&name[..]).map(|o| o.as_array()
+ .map(|v| base.options.$key_name = Some(v.iter()
+ .map(|a| a.as_string().unwrap().to_string()).collect())
+ )
+ );
+ } );
($key_name:ident, optional) => ( {
let name = (stringify!($key_name)).replace("_", "-");
if let Some(o) = obj.find(&name[..]) {
key!(emit_debug_gdb_scripts, bool);
key!(requires_uwtable, bool);
key!(simd_types_indirect, bool);
+ key!(override_export_symbols, opt_list);
if let Some(array) = obj.find("abi-blacklist").and_then(Json::as_array) {
for name in array.iter().filter_map(|abi| abi.as_string()) {
target_option_val!(emit_debug_gdb_scripts);
target_option_val!(requires_uwtable);
target_option_val!(simd_types_indirect);
+ target_option_val!(override_export_symbols);
if default.abi_blacklist != self.options.abi_blacklist {
d.insert("abi-blacklist".to_string(), self.options.abi_blacklist.iter()
--- /dev/null
+// Copyright 2018 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.
+
+use std::iter;
+
+use super::{LinkerFlavor, Target, TargetOptions, PanicStrategy};
+
+pub fn target() -> Result<Target, String> {
+ const PRE_LINK_ARGS: &[&str] = &[
+ "-Wl,--as-needed",
+ "-Wl,-z,noexecstack",
+ "-m64",
+ "-fuse-ld=gold",
+ "-nostdlib",
+ "-shared",
+ "-Wl,-e,sgx_entry",
+ "-Wl,-Bstatic",
+ "-Wl,--gc-sections",
+ "-Wl,-z,text",
+ "-Wl,-z,norelro",
+ "-Wl,--rosegment",
+ "-Wl,--no-undefined",
+ "-Wl,--error-unresolved-symbols",
+ "-Wl,--no-undefined-version",
+ "-Wl,-Bsymbolic",
+ "-Wl,--export-dynamic",
+ ];
+ const EXPORT_SYMBOLS: &[&str] = &[
+ "sgx_entry",
+ "HEAP_BASE",
+ "HEAP_SIZE",
+ "RELA",
+ "RELACOUNT",
+ "ENCLAVE_SIZE",
+ "CFGDATA_BASE",
+ "DEBUG",
+ ];
+ let opts = TargetOptions {
+ dynamic_linking: false,
+ executables: true,
+ linker_is_gnu: true,
+ max_atomic_width: Some(64),
+ panic_strategy: PanicStrategy::Abort,
+ cpu: "x86-64".into(),
+ position_independent_executables: true,
+ pre_link_args: iter::once(
+ (LinkerFlavor::Gcc, PRE_LINK_ARGS.iter().cloned().map(String::from).collect())
+ ).collect(),
+ override_export_symbols: Some(EXPORT_SYMBOLS.iter().cloned().map(String::from).collect()),
+ ..Default::default()
+ };
+ Ok(Target {
+ llvm_target: "x86_64-unknown-linux-gnu".into(),
+ target_endian: "little".into(),
+ target_pointer_width: "64".into(),
+ target_c_int_width: "32".into(),
+ target_os: "unknown".into(),
+ target_env: "sgx".into(),
+ target_vendor: "fortanix".into(),
+ data_layout: "e-m:e-i64:64-f80:128-n8:16:32:64-S128".into(),
+ arch: "x86_64".into(),
+ linker_flavor: LinkerFlavor::Gcc,
+ options: opts,
+ })
+}
item_segment: &hir::PathSegment)
-> &'tcx Substs<'tcx>
{
- let (substs, assoc_bindings) = item_segment.with_generic_args(|generic_args| {
+ let (substs, assoc_bindings, _) = item_segment.with_generic_args(|generic_args| {
self.create_substs_for_ast_path(
span,
def_id,
},
def.parent.is_none() && def.has_self, // `has_self`
seg.infer_types || suppress_mismatch, // `infer_types`
- )
+ ).0
}
/// Check that the correct number of generic arguments have been provided.
position: GenericArgPosition,
has_self: bool,
infer_types: bool,
- ) -> bool {
+ ) -> (bool, Option<Vec<Span>>) {
// At this stage we are guaranteed that the generic arguments are in the correct order, e.g.
// that lifetimes will proceed types. So it suffices to check the number of each generic
// arguments in order to validate them with respect to the generic parameters.
let mut err = tcx.sess.struct_span_err(span, msg);
err.span_note(span_late, note);
err.emit();
- return true;
+ return (true, None);
} else {
let mut multispan = MultiSpan::from_span(span);
multispan.push_span_label(span_late, note.to_string());
tcx.lint_node(lint::builtin::LATE_BOUND_LIFETIME_ARGUMENTS,
args.args[0].id(), multispan, msg);
- return false;
+ return (false, None);
}
}
}
// For kinds without defaults (i.e. lifetimes), `required == permitted`.
// For other kinds (i.e. types), `permitted` may be greater than `required`.
if required <= provided && provided <= permitted {
- return false;
+ return (false, None);
}
// Unfortunately lifetime and type parameter mismatches are typically styled
(required, "")
};
- let mut span = span;
- let label = if required == permitted && provided > permitted {
- let diff = provided - permitted;
- if diff == 1 {
- // In the case when the user has provided too many arguments,
- // we want to point to the first unexpected argument.
- let first_superfluous_arg: &GenericArg = &args.args[offset + permitted];
- span = first_superfluous_arg.span();
- }
- format!(
- "{}unexpected {} argument{}",
- if diff != 1 { format!("{} ", diff) } else { String::new() },
- kind,
- if diff != 1 { "s" } else { "" },
- )
+ let mut potential_assoc_types: Option<Vec<Span>> = None;
+ let (spans, label) = if required == permitted && provided > permitted {
+ // In the case when the user has provided too many arguments,
+ // we want to point to the unexpected arguments.
+ let spans: Vec<Span> = args.args[offset+permitted .. offset+provided]
+ .iter()
+ .map(|arg| arg.span())
+ .collect();
+ potential_assoc_types = Some(spans.clone());
+ (spans, format!( "unexpected {} argument", kind))
} else {
- format!(
+ (vec![span], format!(
"expected {}{} {} argument{}",
quantifier,
bound,
kind,
if bound != 1 { "s" } else { "" },
- )
+ ))
};
- tcx.sess.struct_span_err_with_code(
- span,
+ let mut err = tcx.sess.struct_span_err_with_code(
+ spans.clone(),
&format!(
"wrong number of {} arguments: expected {}{}, found {}",
kind,
provided,
),
DiagnosticId::Error("E0107".into())
- ).span_label(span, label).emit();
+ );
+ for span in spans {
+ err.span_label(span, label.as_str());
+ }
+ err.emit();
- provided > required // `suppress_error`
+ (provided > required, // `suppress_error`
+ potential_assoc_types)
};
if !infer_lifetimes || arg_counts.lifetimes > param_counts.lifetimes {
arg_counts.lifetimes,
)
} else {
- false
+ (false, None)
}
}
generic_args: &hir::GenericArgs,
infer_types: bool,
self_ty: Option<Ty<'tcx>>)
- -> (&'tcx Substs<'tcx>, Vec<ConvertedBinding<'tcx>>)
+ -> (&'tcx Substs<'tcx>, Vec<ConvertedBinding<'tcx>>, Option<Vec<Span>>)
{
// If the type is parameterized by this region, then replace this
// region with the current anon region binding (in other words,
assert_eq!(generic_params.has_self, self_ty.is_some());
let has_self = generic_params.has_self;
- Self::check_generic_arg_count(
+ let (_, potential_assoc_types) = Self::check_generic_arg_count(
self.tcx(),
span,
&generic_params,
debug!("create_substs_for_ast_path(generic_params={:?}, self_ty={:?}) -> {:?}",
generic_params, self_ty, substs);
- (substs, assoc_bindings)
+ (substs, assoc_bindings, potential_assoc_types)
}
/// Instantiates the path for the given trait reference, assuming that it's
self_ty: Ty<'tcx>,
poly_projections: &mut Vec<(ty::PolyProjectionPredicate<'tcx>, Span)>,
speculative: bool)
- -> ty::PolyTraitRef<'tcx>
+ -> (ty::PolyTraitRef<'tcx>, Option<Vec<Span>>)
{
let trait_def_id = self.trait_def_id(trait_ref);
self.prohibit_generics(trait_ref.path.segments.split_last().unwrap().1);
- let (substs, assoc_bindings) =
- self.create_substs_for_ast_trait_ref(trait_ref.path.span,
- trait_def_id,
- self_ty,
- trait_ref.path.segments.last().unwrap());
+ let (substs, assoc_bindings, potential_assoc_types) = self.create_substs_for_ast_trait_ref(
+ trait_ref.path.span,
+ trait_def_id,
+ self_ty,
+ trait_ref.path.segments.last().unwrap(),
+ );
let poly_trait_ref = ty::Binder::bind(ty::TraitRef::new(trait_def_id, substs));
let mut dup_bindings = FxHashMap::default();
debug!("instantiate_poly_trait_ref({:?}, projections={:?}) -> {:?}",
trait_ref, poly_projections, poly_trait_ref);
- poly_trait_ref
+ (poly_trait_ref, potential_assoc_types)
}
pub fn instantiate_poly_trait_ref(&self,
poly_trait_ref: &hir::PolyTraitRef,
self_ty: Ty<'tcx>,
poly_projections: &mut Vec<(ty::PolyProjectionPredicate<'tcx>, Span)>)
- -> ty::PolyTraitRef<'tcx>
+ -> (ty::PolyTraitRef<'tcx>, Option<Vec<Span>>)
{
self.instantiate_poly_trait_ref_inner(&poly_trait_ref.trait_ref, self_ty,
poly_projections, false)
trait_segment: &hir::PathSegment)
-> ty::TraitRef<'tcx>
{
- let (substs, assoc_bindings) =
+ let (substs, assoc_bindings, _) =
self.create_substs_for_ast_trait_ref(span,
trait_def_id,
self_ty,
ty::TraitRef::new(trait_def_id, substs)
}
- fn create_substs_for_ast_trait_ref(&self,
- span: Span,
- trait_def_id: DefId,
- self_ty: Ty<'tcx>,
- trait_segment: &hir::PathSegment)
- -> (&'tcx Substs<'tcx>, Vec<ConvertedBinding<'tcx>>)
- {
+ fn create_substs_for_ast_trait_ref(
+ &self,
+ span: Span,
+ trait_def_id: DefId,
+ self_ty: Ty<'tcx>,
+ trait_segment: &hir::PathSegment,
+ ) -> (&'tcx Substs<'tcx>, Vec<ConvertedBinding<'tcx>>, Option<Vec<Span>>) {
debug!("create_substs_for_ast_trait_ref(trait_segment={:?})",
trait_segment);
let mut projection_bounds = Vec::new();
let dummy_self = tcx.mk_ty(TRAIT_OBJECT_DUMMY_SELF);
- let principal = self.instantiate_poly_trait_ref(&trait_bounds[0],
- dummy_self,
- &mut projection_bounds);
+ let (principal, potential_assoc_types) = self.instantiate_poly_trait_ref(
+ &trait_bounds[0],
+ dummy_self,
+ &mut projection_bounds,
+ );
debug!("principal: {:?}", principal);
for trait_bound in trait_bounds[1..].iter() {
associated_types.remove(&projection_bound.projection_def_id());
}
- for item_def_id in associated_types {
- let assoc_item = tcx.associated_item(item_def_id);
- let trait_def_id = assoc_item.container.id();
- struct_span_err!(tcx.sess, span, E0191, "the value of the associated type `{}` \
- (from the trait `{}`) must be specified",
- assoc_item.ident,
- tcx.item_path_str(trait_def_id))
- .span_label(span, format!("missing associated type `{}` value",
- assoc_item.ident))
- .emit();
+ if !associated_types.is_empty() {
+ let names = associated_types.iter().map(|item_def_id| {
+ let assoc_item = tcx.associated_item(*item_def_id);
+ let trait_def_id = assoc_item.container.id();
+ format!(
+ "`{}` (from the trait `{}`)",
+ assoc_item.ident,
+ tcx.item_path_str(trait_def_id),
+ )
+ }).collect::<Vec<_>>().join(", ");
+ let mut err = struct_span_err!(
+ tcx.sess,
+ span,
+ E0191,
+ "the value of the associated type{} {} must be specified",
+ if associated_types.len() == 1 { "" } else { "s" },
+ names,
+ );
+ let mut suggest = false;
+ let mut potential_assoc_types_spans = vec![];
+ if let Some(potential_assoc_types) = potential_assoc_types {
+ if potential_assoc_types.len() == associated_types.len() {
+ // Only suggest when the amount of missing associated types is equals to the
+ // extra type arguments present, as that gives us a relatively high confidence
+ // that the user forgot to give the associtated type's name. The canonical
+ // example would be trying to use `Iterator<isize>` instead of
+ // `Iterator<Item=isize>`.
+ suggest = true;
+ potential_assoc_types_spans = potential_assoc_types;
+ }
+ }
+ let mut suggestions = vec![];
+ for (i, item_def_id) in associated_types.iter().enumerate() {
+ let assoc_item = tcx.associated_item(*item_def_id);
+ err.span_label(
+ span,
+ format!("associated type `{}` must be specified", assoc_item.ident),
+ );
+ if item_def_id.is_local() {
+ err.span_label(
+ tcx.def_span(*item_def_id),
+ format!("`{}` defined here", assoc_item.ident),
+ );
+ }
+ if suggest {
+ if let Ok(snippet) = tcx.sess.source_map().span_to_snippet(
+ potential_assoc_types_spans[i],
+ ) {
+ suggestions.push((
+ potential_assoc_types_spans[i],
+ format!("{} = {}", assoc_item.ident, snippet),
+ ));
+ }
+ }
+ }
+ if !suggestions.is_empty() {
+ let msg = if suggestions.len() == 1 {
+ "if you meant to specify the associated type, write"
+ } else {
+ "if you meant to specify the associated types, write"
+ };
+ err.multipart_suggestion_with_applicability(
+ msg,
+ suggestions,
+ Applicability::MaybeIncorrect,
+ );
+ }
+ err.emit();
}
// Erase the `dummy_self` (`TRAIT_OBJECT_DUMMY_SELF`) used above.
},
infcx,
fulfillment_cx: RefCell::new(TraitEngine::new(tcx)),
- locals: RefCell::new(NodeMap()),
- deferred_call_resolutions: RefCell::new(DefIdMap()),
+ locals: RefCell::new(Default::default()),
+ deferred_call_resolutions: RefCell::new(Default::default()),
deferred_cast_checks: RefCell::new(Vec::new()),
deferred_generator_interiors: RefCell::new(Vec::new()),
- opaque_types: RefCell::new(DefIdMap()),
+ opaque_types: RefCell::new(Default::default()),
implicit_region_bound,
body_id,
}
// We are currently checking the type this field came from, so it must be local
let span = tcx.hir.span_if_local(field.did).unwrap();
let zst = layout.map(|layout| layout.is_zst()).unwrap_or(false);
- let align1 = layout.map(|layout| layout.align.abi() == 1).unwrap_or(false);
+ let align1 = layout.map(|layout| layout.align.abi.bytes() == 1).unwrap_or(false);
(span, zst, align1)
});
has_errors: Cell::new(false),
enclosing_breakables: RefCell::new(EnclosingBreakables {
stack: Vec::new(),
- by_id: NodeMap(),
+ by_id: Default::default(),
}),
inh,
}
let used_trait_imports = mem::replace(
&mut self.tables.borrow_mut().used_trait_imports,
- Lrc::new(DefIdSet()),
+ Lrc::new(DefIdSet::default()),
);
debug!(
"used_trait_imports({:?}) = {:?}",
use rustc_data_structures::fx::FxHashMap;
pub fn check_crate<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>) {
- let mut used_trait_imports = DefIdSet();
+ let mut used_trait_imports = DefIdSet::default();
for &body_id in tcx.hir.krate().bodies.keys() {
let item_def_id = tcx.hir.body_owner_def_id(body_id);
let imports = tcx.used_trait_imports(item_def_id);
use rustc::hir;
use rustc::hir::itemlikevisit::ItemLikeVisitor;
use rustc::ty::{self, CrateInherentImpls, TyCtxt};
-use rustc::util::nodemap::DefIdMap;
use rustc_data_structures::sync::Lrc;
use syntax::ast;
let krate = tcx.hir.krate();
let mut collect = InherentCollect {
tcx,
- impls_map: CrateInherentImpls {
- inherent_impls: DefIdMap()
- }
+ impls_map: Default::default(),
};
krate.visit_all_item_likes(&mut collect);
Lrc::new(collect.impls_map)
&hir::GenericBound::Trait(ref poly_trait_ref, _) => {
let mut projections = Vec::new();
- let trait_ref = AstConv::instantiate_poly_trait_ref(
+ let (trait_ref, _) = AstConv::instantiate_poly_trait_ref(
&icx,
poly_trait_ref,
ty,
let mut projection_bounds = Vec::new();
let mut trait_bounds: Vec<_> = trait_bounds.iter().map(|&bound| {
- (astconv.instantiate_poly_trait_ref(bound, param_ty, &mut projection_bounds), bound.span)
+ let (poly_trait_ref, _) = astconv.instantiate_poly_trait_ref(
+ bound,
+ param_ty,
+ &mut projection_bounds,
+ );
+ (poly_trait_ref, bound.span)
}).collect();
let region_bounds = region_bounds
match *bound {
hir::GenericBound::Trait(ref tr, hir::TraitBoundModifier::None) => {
let mut projections = Vec::new();
- let pred = astconv.instantiate_poly_trait_ref(tr, param_ty, &mut projections);
+ let (pred, _) = astconv.instantiate_poly_trait_ref(tr, param_ty, &mut projections);
iter::once((pred.to_predicate(), tr.span)).chain(
projections
.into_iter()
let env_def_id = tcx.hir.local_def_id(env_node_id);
let item_cx = self::collect::ItemCtxt::new(tcx, env_def_id);
let mut projections = Vec::new();
- let principal = astconv::AstConv::instantiate_poly_trait_ref_inner(
+ let (principal, _) = astconv::AstConv::instantiate_poly_trait_ref_inner(
&item_cx, hir_trait, tcx.types.err, &mut projections, true
);
let mut terms_cx = TermsContext {
tcx,
arena,
- inferred_starts: NodeMap(),
+ inferred_starts: Default::default(),
inferred_terms: vec![],
lang_items: lang_items(tcx),
let warnings_lint_name = lint::builtin::WARNINGS.name;
let missing_docs = rustc_lint::builtin::MISSING_DOCS.name;
let missing_doc_example = rustc_lint::builtin::MISSING_DOC_CODE_EXAMPLES.name;
+ let private_doc_tests = rustc_lint::builtin::PRIVATE_DOC_TESTS.name;
// In addition to those specific lints, we also need to whitelist those given through
// command line, otherwise they'll get ignored and we don't want that.
let mut whitelisted_lints = vec![warnings_lint_name.to_owned(),
intra_link_resolution_failure_name.to_owned(),
missing_docs.to_owned(),
- missing_doc_example.to_owned()];
+ missing_doc_example.to_owned(),
+ private_doc_tests.to_owned()];
whitelisted_lints.extend(lint_opts.iter().map(|(lint, _)| lint).cloned());
use core::DocContext;
use fold::DocFolder;
-use html::markdown::{find_testable_code, markdown_links, ErrorCodes, LangString};
+use html::markdown::markdown_links;
-use passes::Pass;
+use passes::{look_for_tests, Pass};
pub const COLLECT_INTRA_DOC_LINKS: Pass =
Pass::early("collect-intra-doc-links", collect_intra_doc_links,
}
}
-fn look_for_tests<'a, 'tcx: 'a, 'rcx: 'a, 'cstore: 'rcx>(
- cx: &'a DocContext<'a, 'tcx, 'rcx, 'cstore>,
- dox: &str,
- item: &Item,
-) {
- if (item.is_mod() && cx.tcx.hir.as_local_node_id(item.def_id).is_none()) ||
- cx.as_local_node_id(item.def_id).is_none() {
- // If non-local, no need to check anything.
- return;
- }
-
- struct Tests {
- found_tests: usize,
- }
-
- impl ::test::Tester for Tests {
- fn add_test(&mut self, _: String, _: LangString, _: usize) {
- self.found_tests += 1;
- }
- }
-
- let mut tests = Tests {
- found_tests: 0,
- };
-
- if find_testable_code(&dox, &mut tests, ErrorCodes::No).is_ok() {
- if tests.found_tests == 0 {
- let mut diag = cx.tcx.struct_span_lint_node(
- lint::builtin::MISSING_DOC_CODE_EXAMPLES,
- NodeId::from_u32(0),
- span_of_attrs(&item.attrs),
- "Missing code example in this documentation");
- diag.emit();
- }
- }
-}
-
impl<'a, 'tcx, 'rcx, 'cstore> DocFolder for LinkCollector<'a, 'tcx, 'rcx, 'cstore> {
fn fold_item(&mut self, mut item: Item) -> Option<Item> {
let item_node_id = if item.is_mod() {
let cx = self.cx;
let dox = item.attrs.collapsed_doc_value().unwrap_or_else(String::new);
- look_for_tests(&cx, &dox, &item);
+ look_for_tests(&cx, &dox, &item, true);
if !self.is_nightly_build {
return None;
None
}
-fn span_of_attrs(attrs: &Attributes) -> syntax_pos::Span {
+pub fn span_of_attrs(attrs: &Attributes) -> syntax_pos::Span {
if attrs.doc_strings.is_empty() {
return DUMMY_SP;
}
//! process.
use rustc::hir::def_id::DefId;
+use rustc::lint as lint;
use rustc::middle::privacy::AccessLevels;
use rustc::util::nodemap::DefIdSet;
use std::mem;
use std::fmt;
+use syntax::ast::NodeId;
use clean::{self, GetDefId, Item};
-use core::DocContext;
+use core::{DocContext, DocAccessLevels};
use fold;
use fold::StripItem;
+use html::markdown::{find_testable_code, ErrorCodes, LangString};
+
+use self::collect_intra_doc_links::span_of_attrs;
+
mod collapse_docs;
pub use self::collapse_docs::COLLAPSE_DOCS;
mod collect_intra_doc_links;
pub use self::collect_intra_doc_links::COLLECT_INTRA_DOC_LINKS;
+mod private_items_doc_tests;
+pub use self::private_items_doc_tests::CHECK_PRIVATE_ITEMS_DOC_TESTS;
+
mod collect_trait_impls;
pub use self::collect_trait_impls::COLLECT_TRAIT_IMPLS;
/// The full list of passes.
pub const PASSES: &'static [Pass] = &[
+ CHECK_PRIVATE_ITEMS_DOC_TESTS,
STRIP_HIDDEN,
UNINDENT_COMMENTS,
COLLAPSE_DOCS,
/// The list of passes run by default.
pub const DEFAULT_PASSES: &'static [&'static str] = &[
"collect-trait-impls",
+ "check-private-items-doc-tests",
"strip-hidden",
"strip-private",
"collect-intra-doc-links",
/// The list of default passes run with `--document-private-items` is passed to rustdoc.
pub const DEFAULT_PRIVATE_PASSES: &'static [&'static str] = &[
"collect-trait-impls",
+ "check-private-items-doc-tests",
"strip-priv-imports",
"collect-intra-doc-links",
"collapse-docs",
}
}
}
+
+pub fn look_for_tests<'a, 'tcx: 'a, 'rcx: 'a, 'cstore: 'rcx>(
+ cx: &'a DocContext<'a, 'tcx, 'rcx, 'cstore>,
+ dox: &str,
+ item: &Item,
+ check_missing_code: bool,
+) {
+ if cx.as_local_node_id(item.def_id).is_none() {
+ // If non-local, no need to check anything.
+ return;
+ }
+
+ struct Tests {
+ found_tests: usize,
+ }
+
+ impl ::test::Tester for Tests {
+ fn add_test(&mut self, _: String, _: LangString, _: usize) {
+ self.found_tests += 1;
+ }
+ }
+
+ let mut tests = Tests {
+ found_tests: 0,
+ };
+
+ if find_testable_code(&dox, &mut tests, ErrorCodes::No).is_ok() {
+ if check_missing_code == true && tests.found_tests == 0 {
+ let mut diag = cx.tcx.struct_span_lint_node(
+ lint::builtin::MISSING_DOC_CODE_EXAMPLES,
+ NodeId::from_u32(0),
+ span_of_attrs(&item.attrs),
+ "Missing code example in this documentation");
+ diag.emit();
+ } else if check_missing_code == false &&
+ tests.found_tests > 0 &&
+ !cx.renderinfo.borrow().access_levels.is_doc_reachable(item.def_id) {
+ let mut diag = cx.tcx.struct_span_lint_node(
+ lint::builtin::PRIVATE_DOC_TESTS,
+ NodeId::from_u32(0),
+ span_of_attrs(&item.attrs),
+ "Documentation test in private item");
+ diag.emit();
+ }
+ }
+}
--- /dev/null
+// Copyright 2018 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.
+
+use clean::*;
+
+use core::DocContext;
+use fold::DocFolder;
+
+use passes::{look_for_tests, Pass};
+
+pub const CHECK_PRIVATE_ITEMS_DOC_TESTS: Pass =
+ Pass::early("check-private-items-doc-tests", check_private_items_doc_tests,
+ "check private items doc tests");
+
+struct PrivateItemDocTestLinter<'a, 'tcx: 'a, 'rcx: 'a, 'cstore: 'rcx> {
+ cx: &'a DocContext<'a, 'tcx, 'rcx, 'cstore>,
+}
+
+impl<'a, 'tcx, 'rcx, 'cstore> PrivateItemDocTestLinter<'a, 'tcx, 'rcx, 'cstore> {
+ fn new(cx: &'a DocContext<'a, 'tcx, 'rcx, 'cstore>) -> Self {
+ PrivateItemDocTestLinter {
+ cx,
+ }
+ }
+}
+
+pub fn check_private_items_doc_tests(krate: Crate, cx: &DocContext) -> Crate {
+ let mut coll = PrivateItemDocTestLinter::new(cx);
+
+ coll.fold_crate(krate)
+}
+
+impl<'a, 'tcx, 'rcx, 'cstore> DocFolder for PrivateItemDocTestLinter<'a, 'tcx, 'rcx, 'cstore> {
+ fn fold_item(&mut self, item: Item) -> Option<Item> {
+ let cx = self.cx;
+ let dox = item.attrs.collapsed_doc_value().unwrap_or_else(String::new);
+
+ look_for_tests(&cx, &dox, &item, false);
+
+ self.fold_item_recur(item)
+ }
+}
/// Strip items marked `#[doc(hidden)]`
pub fn strip_hidden(krate: clean::Crate, _: &DocContext) -> clean::Crate {
- let mut retained = DefIdSet();
+ let mut retained = DefIdSet::default();
// strip all #[doc(hidden)] items
let krate = {
/// crate, specified by the `xcrate` flag.
pub fn strip_private(mut krate: clean::Crate, cx: &DocContext) -> clean::Crate {
// This stripper collects all *retained* nodes.
- let mut retained = DefIdSet();
+ let mut retained = DefIdSet::default();
let access_levels = cx.renderinfo.borrow().access_levels.clone();
// strip all private items
/// use std::collections::HashMap;
///
/// let mut map: HashMap<&str, u32> = HashMap::new();
- /// map.raw_entry_mut().from_key("poneyland").or_insert("poneyland", 12);
///
- /// assert_eq!(map["poneyland"], 12);
+ /// map.raw_entry_mut().from_key("poneyland").or_insert("poneyland", 3);
+ /// assert_eq!(map["poneyland"], 3);
///
- /// *map.raw_entry_mut().from_key("poneyland").or_insert("poneyland", 12).1 += 10;
- /// assert_eq!(map["poneyland"], 22);
+ /// *map.raw_entry_mut().from_key("poneyland").or_insert("poneyland", 10).1 *= 2;
+ /// assert_eq!(map["poneyland"], 6);
/// ```
#[unstable(feature = "hash_raw_entry", issue = "54043")]
pub fn or_insert(self, default_key: K, default_val: V) -> (&'a mut K, &'a mut V)
/// use std::collections::HashMap;
///
/// let mut map: HashMap<&str, u32> = HashMap::new();
- /// map.entry("poneyland").or_insert(12);
///
- /// assert_eq!(map["poneyland"], 12);
+ /// map.entry("poneyland").or_insert(3);
+ /// assert_eq!(map["poneyland"], 3);
///
- /// *map.entry("poneyland").or_insert(12) += 10;
- /// assert_eq!(map["poneyland"], 22);
+ /// *map.entry("poneyland").or_insert(10) *= 2;
+ /// assert_eq!(map["poneyland"], 6);
/// ```
pub fn or_insert(self, default: V) -> &'a mut V {
match self {
//! [slice]: primitive.slice.html
//! [`atomic`]: sync/atomic/index.html
//! [`collections`]: collections/index.html
-//! [`for`]: ../book/first-edition/loops.html#for
+//! [`for`]: ../book/ch03-05-control-flow.html#looping-through-a-collection-with-for
//! [`format!`]: macro.format.html
//! [`fs`]: fs/index.html
//! [`io`]: io/index.html
//! [`sync`]: sync/index.html
//! [`thread`]: thread/index.html
//! [`use std::env`]: env/index.html
-//! [`use`]: ../book/first-edition/crates-and-modules.html#importing-modules-with-use
-//! [crate root]: ../book/first-edition/crates-and-modules.html#basic-terminology-crates-and-modules
+//! [`use`]: ../book/ch07-02-modules-and-use-to-control-scope-and-privacy.html#the-use-keyword-to-bring-paths-into-a-scope
+//! [crate root]: ../book/ch07-01-packages-and-crates-for-making-libraries-and-executables.html
//! [crates.io]: https://crates.io
-//! [deref-coercions]: ../book/second-edition/ch15-02-deref.html#implicit-deref-coercions-with-functions-and-methods
+//! [deref-coercions]: ../book/ch15-02-deref.html#implicit-deref-coercions-with-functions-and-methods
//! [files]: fs/struct.File.html
//! [multithreading]: thread/index.html
//! [other]: #what-is-in-the-standard-library-documentation
-//! [primitive types]: ../book/first-edition/primitive-types.html
+//! [primitive types]: ../book/ch03-02-data-types.html
#![stable(feature = "rust1", since = "1.0.0")]
#![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
///
/// [`Result`] enum is often a better solution for recovering from errors than
/// using the `panic!` macro. This macro should be used to avoid proceeding using
-/// incorrect values, such as from external sources. Detailed information about
+/// incorrect values, such as from external sources. Detailed information about
/// error handling is found in the [book].
///
/// The multi-argument form of this macro panics with a string and has the
/// [`Result`]: ../std/result/enum.Result.html
/// [`format!`]: ../std/macro.format.html
/// [`compile_error!`]: ../std/macro.compile_error.html
-/// [book]: ../book/second-edition/ch09-01-unrecoverable-errors-with-panic.html
+/// [book]: ../book/ch09-00-error-handling.html
///
/// # Current implementation
///
/// boolean expression evaluation of configuration flags. This frequently
/// leads to less duplicated code.
///
- /// The syntax given to this macro is the same syntax as [the `cfg`
- /// attribute](../book/first-edition/conditional-compilation.html).
+ /// The syntax given to this macro is the same syntax as the `cfg`
+ /// attribute.
///
/// # Examples
///
/// Unsafe code relies on `assert!` to enforce run-time invariants that, if
/// violated could lead to unsafety.
///
- /// Other use-cases of `assert!` include [testing] and enforcing run-time
+ /// Other use-cases of `assert!` include testing and enforcing run-time
/// invariants in safe code (whose violation cannot result in unsafety).
///
/// # Custom Messages
///
/// [`panic!`]: macro.panic.html
/// [`debug_assert!`]: macro.debug_assert.html
- /// [testing]: ../book/second-edition/ch11-01-writing-tests.html#checking-results-with-the-assert-macro
/// [`std::fmt`]: ../std/fmt/index.html
///
/// # Examples
/// `bool` implements various traits, such as [`BitAnd`], [`BitOr`], [`Not`], etc.,
/// which allow us to perform boolean operations using `&`, `|` and `!`.
///
-/// [`if`] always demands a `bool` value. [`assert!`], being an important macro in testing,
+/// `if` always demands a `bool` value. [`assert!`], being an important macro in testing,
/// checks whether an expression returns `true`.
///
/// ```
/// ```
///
/// [`assert!`]: macro.assert.html
-/// [`if`]: ../book/first-edition/if.html
/// [`BitAnd`]: ops/trait.BitAnd.html
/// [`BitOr`]: ops/trait.BitOr.html
/// [`Not`]: ops/trait.Not.html
/// assert_eq!(tuple.2, 'c');
/// ```
///
-/// For more about tuples, see [the book](../book/first-edition/primitive-types.html#tuples).
+/// For more about tuples, see [the book](../book/ch03-02-data-types.html#the-tuple-type).
///
/// # Trait implementations
///
// Allows `const _: TYPE = VALUE`
(active, underscore_const_names, "1.31.0", Some(54912), None),
- // `extern crate foo as bar;` puts `bar` into extern prelude.
- (active, extern_crate_item_prelude, "1.31.0", Some(55599), None),
-
// `reason = ` in lint attributes and `expect` lint attribute
(active, lint_reasons, "1.31.0", Some(54503), None),
);
// impl<I:Iterator> Iterator for &mut Iterator
// impl Debug for Foo<'_>
(accepted, impl_header_lifetime_elision, "1.31.0", Some(15872), None),
+ // `extern crate foo as bar;` puts `bar` into extern prelude.
+ (accepted, extern_crate_item_prelude, "1.31.0", Some(55599), None),
);
// If you change this, please modify src/doc/unstable-book as well. You must
fn parse_arg_general(&mut self, require_name: bool) -> PResult<'a, Arg> {
maybe_whole!(self, NtArg, |x| x);
+ if let Ok(Some(_)) = self.parse_self_arg() {
+ let mut err = self.struct_span_err(self.prev_span,
+ "unexpected `self` argument in function");
+ err.span_label(self.prev_span,
+ "`self` is only valid as the first argument of an associated function");
+ return Err(err);
+ }
+
let (pat, ty) = if require_name || self.is_named_argument() {
debug!("parse_arg_general parse_pat (require_name:{})",
require_name);
fn parse_fn_args(&mut self, named_args: bool, allow_variadic: bool)
-> PResult<'a, (Vec<Arg> , bool)> {
+ self.expect(&token::OpenDelim(token::Paren))?;
+
let sp = self.span;
let mut variadic = false;
let args: Vec<Option<Arg>> =
- self.parse_unspanned_seq(
- &token::OpenDelim(token::Paren),
+ self.parse_seq_to_before_end(
&token::CloseDelim(token::Paren),
SeqSep::trailing_allowed(token::Comma),
|p| {
}
)?;
+ self.eat(&token::CloseDelim(token::Paren));
+
let args: Vec<_> = args.into_iter().filter_map(|x| x).collect();
if variadic && args.is_empty() {
rustc_target = { path = "../librustc_target" }
rustc_driver = { path = "../librustc_driver" }
+# Make sure rustc_codegen_ssa ends up in the sysroot, because this
+# crate is intended to be used by codegen backends, which may not be in-tree.
+rustc_codegen_ssa = { path = "../librustc_codegen_ssa" }
+
[features]
jemalloc = ['rustc_driver/jemalloc-sys']
#[no_mangle]
pub fn test_CUnionU128(_: CUnionU128) { loop {} }
+pub union UnionBool { b:bool }
+// CHECK: define zeroext i1 @test_UnionBool(i8 %b)
+#[no_mangle]
+pub fn test_UnionBool(b: UnionBool) -> bool { unsafe { b.b } }
+// CHECK: %0 = trunc i8 %b to i1
+
type Value;
type ChildKey;
type Children = Index<Self::ChildKey, Output=Hierarchy>;
- //~^ ERROR: the value of the associated type `ChildKey`
- //~^^ ERROR: the value of the associated type `Children`
- //~^^^ ERROR: the value of the associated type `Value`
+ //~^ ERROR: the value of the associated types `Value` (from the trait `Hierarchy`), `ChildKey`
fn data(&self) -> Option<(Self::Value, Self::Children)>;
}
+++ /dev/null
-// Copyright 2013-2014 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.
-
-// ignore-bitrig
-// ignore-solaris
-// ignore-windows failing on win32 bot
-// ignore-freebsd: gdb package too new
-// ignore-tidy-linelength
-// ignore-lldb
-// ignore-android: FIXME(#10381)
-// compile-flags:-g
-
-// gdb-command: run
-
-// gdb-command: print regular_struct
-// gdb-check:$1 = RegularStruct = {the_first_field = 101, the_second_field = 102.5, the_third_field = false}
-
-// gdb-command: print empty_struct
-// gdb-check:$2 = EmptyStruct
-
-// gdb-command: print c_style_enum1
-// gdbg-check:$3 = CStyleEnumVar1
-// gdbr-check:$3 = gdb_pretty_struct_and_enums_pre_gdb_7_7::CStyleEnum::CStyleEnumVar1
-
-// gdb-command: print c_style_enum2
-// gdbg-check:$4 = CStyleEnumVar2
-// gdbr-check:$4 = gdb_pretty_struct_and_enums_pre_gdb_7_7::CStyleEnum::CStyleEnumVar2
-
-// gdb-command: print c_style_enum3
-// gdbg-check:$5 = CStyleEnumVar3
-// gdbr-check:$5 = gdb_pretty_struct_and_enums_pre_gdb_7_7::CStyleEnum::CStyleEnumVar3
-
-#![allow(dead_code, unused_variables)]
-
-struct RegularStruct {
- the_first_field: isize,
- the_second_field: f64,
- the_third_field: bool,
-}
-
-struct EmptyStruct;
-
-enum CStyleEnum {
- CStyleEnumVar1,
- CStyleEnumVar2,
- CStyleEnumVar3,
-}
-
-fn main() {
-
- let regular_struct = RegularStruct {
- the_first_field: 101,
- the_second_field: 102.5,
- the_third_field: false
- };
-
- let empty_struct = EmptyStruct;
-
- let c_style_enum1 = CStyleEnum::CStyleEnumVar1;
- let c_style_enum2 = CStyleEnum::CStyleEnumVar2;
- let c_style_enum3 = CStyleEnum::CStyleEnumVar3;
-
- zzz(); // #break
-}
-
-fn zzz() { () }
--- /dev/null
+// Copyright 2013-2014 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.
+
+// ignore-tidy-linelength
+// ignore-lldb
+// ignore-android: FIXME(#10381)
+// min-gdb-version: 7.11
+
+// compile-flags:-g
+
+// gdb-command: run
+
+// gdb-command: print regular_struct
+// gdbg-check:$1 = RegularStruct = {the_first_field = 101, the_second_field = 102.5, the_third_field = false}
+// gdbr-check:$1 = gdb_pretty_struct_and_enums::RegularStruct {the_first_field: 101, the_second_field: 102.5, the_third_field: false}
+
+// gdb-command: print empty_struct
+// gdbg-check:$2 = EmptyStruct
+// gdbr-check:$2 = gdb_pretty_struct_and_enums::EmptyStruct
+
+// gdb-command: print c_style_enum1
+// gdbg-check:$3 = CStyleEnumVar1
+// gdbr-check:$3 = gdb_pretty_struct_and_enums::CStyleEnum::CStyleEnumVar1
+
+// gdb-command: print c_style_enum2
+// gdbg-check:$4 = CStyleEnumVar2
+// gdbr-check:$4 = gdb_pretty_struct_and_enums::CStyleEnum::CStyleEnumVar2
+
+// gdb-command: print c_style_enum3
+// gdbg-check:$5 = CStyleEnumVar3
+// gdbr-check:$5 = gdb_pretty_struct_and_enums::CStyleEnum::CStyleEnumVar3
+
+#![allow(dead_code, unused_variables)]
+
+struct RegularStruct {
+ the_first_field: isize,
+ the_second_field: f64,
+ the_third_field: bool,
+}
+
+struct EmptyStruct;
+
+enum CStyleEnum {
+ CStyleEnumVar1,
+ CStyleEnumVar2,
+ CStyleEnumVar3,
+}
+
+fn main() {
+
+ let regular_struct = RegularStruct {
+ the_first_field: 101,
+ the_second_field: 102.5,
+ the_third_field: false
+ };
+
+ let empty_struct = EmptyStruct;
+
+ let c_style_enum1 = CStyleEnum::CStyleEnumVar1;
+ let c_style_enum2 = CStyleEnum::CStyleEnumVar2;
+ let c_style_enum3 = CStyleEnum::CStyleEnumVar3;
+
+ zzz(); // #break
+}
+
+fn zzz() { () }
// gdb-command: print vec_deque
// gdb-check:$3 = VecDeque<i32>(len: 3, cap: 8) = {5, 3, 7}
+// gdb-command: print vec_deque2
+// gdb-check:$4 = VecDeque<i32>(len: 7, cap: 8) = {2, 3, 4, 5, 6, 7, 8}
+
#![allow(unused_variables)]
use std::collections::BTreeSet;
use std::collections::BTreeMap;
vec_deque.push_back(3);
vec_deque.push_back(7);
+ // VecDeque where an element was popped.
+ let mut vec_deque2 = VecDeque::new();
+ for i in 1..8 {
+ vec_deque2.push_back(i)
+ }
+ vec_deque2.pop_front();
+ vec_deque2.push_back(8);
+
zzz(); // #break
}
3 | no
| ^^ not found in this scope
-thread '$DIR/failed-doctest-output.rs - OtherStruct (line 27)' panicked at 'couldn't compile the test', librustdoc/test.rs:323:13
+thread '$DIR/failed-doctest-output.rs - OtherStruct (line 27)' panicked at 'couldn't compile the test', src/librustdoc/test.rs:323:13
note: Run with `RUST_BACKTRACE=1` for a backtrace.
---- $DIR/failed-doctest-output.rs - SomeStruct (line 21) stdout ----
thread 'main' panicked at 'oh no', $DIR/failed-doctest-output.rs:3:1
note: Run with `RUST_BACKTRACE=1` for a backtrace.
-', librustdoc/test.rs:358:17
+', src/librustdoc/test.rs:358:17
failures:
--- /dev/null
+// Copyright 2018 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.
+
+#![deny(private_doc_tests)]
+
+mod foo {
+ /// private doc test
+ ///
+ /// ```
+ /// assert!(false);
+ /// ```
+ fn bar() {}
+}
--- /dev/null
+error: Documentation test in private item
+ --> $DIR/private-item-doc-test.rs:14:5
+ |
+LL | / /// private doc test
+LL | | ///
+LL | | /// ```
+LL | | /// assert!(false);
+LL | | /// ```
+ | |___________^
+ |
+note: lint level defined here
+ --> $DIR/private-item-doc-test.rs:11:9
+ |
+LL | #![deny(private_doc_tests)]
+ | ^^^^^^^^^^^^^^^^^
+
// compile-pass
// edition:2018
-#![feature(extern_crate_item_prelude)]
-
extern crate proc_macro;
use proc_macro::TokenStream; // OK
error[E0191]: the value of the associated type `Color` (from the trait `Vehicle`) must be specified
--> $DIR/associated-type-projection-from-multiple-supertraits.rs:33:26
|
+LL | type Color;
+ | ----------- `Color` defined here
+...
LL | fn dent_object<COLOR>(c: BoxCar<Color=COLOR>) {
- | ^^^^^^^^^^^^^^^^^^^ missing associated type `Color` value
+ | ^^^^^^^^^^^^^^^^^^^ associated type `Color` must be specified
error[E0221]: ambiguous associated type `Color` in bounds of `C`
--> $DIR/associated-type-projection-from-multiple-supertraits.rs:38:29
//~^ ERROR the value of the associated type `A` (from the trait `Foo`) must be specified
let d = &42isize as &Foo;
- //~^ ERROR the value of the associated type `A` (from the trait `Foo`) must be specified
- //~| ERROR the value of the associated type `B` (from the trait `Foo`) must be specified
+ //~^ ERROR the value of the associated types `A` (from the trait `Foo`), `B` (from the trait
}
error[E0191]: the value of the associated type `B` (from the trait `Foo`) must be specified
--> $DIR/associated-types-incomplete-object.rs:33:26
|
+LL | type B;
+ | ------- `B` defined here
+...
LL | let b = &42isize as &Foo<A=usize>;
- | ^^^^^^^^^^^^ missing associated type `B` value
+ | ^^^^^^^^^^^^ associated type `B` must be specified
error[E0191]: the value of the associated type `A` (from the trait `Foo`) must be specified
--> $DIR/associated-types-incomplete-object.rs:36:26
|
+LL | type A;
+ | ------- `A` defined here
+...
LL | let c = &42isize as &Foo<B=char>;
- | ^^^^^^^^^^^ missing associated type `A` value
+ | ^^^^^^^^^^^ associated type `A` must be specified
-error[E0191]: the value of the associated type `A` (from the trait `Foo`) must be specified
- --> $DIR/associated-types-incomplete-object.rs:39:26
- |
-LL | let d = &42isize as &Foo;
- | ^^^ missing associated type `A` value
-
-error[E0191]: the value of the associated type `B` (from the trait `Foo`) must be specified
+error[E0191]: the value of the associated types `A` (from the trait `Foo`), `B` (from the trait `Foo`) must be specified
--> $DIR/associated-types-incomplete-object.rs:39:26
|
+LL | type A;
+ | ------- `A` defined here
+LL | type B;
+ | ------- `B` defined here
+...
LL | let d = &42isize as &Foo;
- | ^^^ missing associated type `B` value
+ | ^^^
+ | |
+ | associated type `A` must be specified
+ | associated type `B` must be specified
-error: aborting due to 4 previous errors
+error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0191`.
--- /dev/null
+const fn foo() {
+ loop {} //~ ERROR loops are not allowed in const fn
+}
+
+fn main() {}
--- /dev/null
+error: loops are not allowed in const fn
+ --> $DIR/loop_ice.rs:2:5
+ |
+LL | loop {} //~ ERROR loops are not allowed in const fn
+ | ^^^^^^^
+
+error: aborting due to previous error
+
//~| unexpected lifetime argument
foo2: Foo<'a, 'b, 'c>,
//~^ ERROR E0107
- //~| 2 unexpected lifetime arguments
+ //~| unexpected lifetime argument
+ //~| unexpected lifetime argument
}
fn main() {}
| ^^ unexpected lifetime argument
error[E0107]: wrong number of lifetime arguments: expected 1, found 3
- --> $DIR/E0107.rs:27:11
+ --> $DIR/E0107.rs:27:19
|
LL | foo2: Foo<'a, 'b, 'c>,
- | ^^^^^^^^^^^^^^^ 2 unexpected lifetime arguments
+ | ^^ ^^ unexpected lifetime argument
+ | |
+ | unexpected lifetime argument
error: aborting due to 3 previous errors
error[E0191]: the value of the associated type `Bar` (from the trait `Trait`) must be specified
--> $DIR/E0191.rs:15:12
|
+LL | type Bar;
+ | --------- `Bar` defined here
+...
LL | type Foo = Trait; //~ ERROR E0191
- | ^^^^^ missing associated type `Bar` value
+ | ^^^^^ associated type `Bar` must be specified
error: aborting due to previous error
error[E0191]: the value of the associated type `Bar` (from the trait `Trait`) must be specified
--> $DIR/E0220.rs:15:12
|
+LL | type Bar;
+ | --------- `Bar` defined here
+...
LL | type Foo = Trait<F=i32>; //~ ERROR E0220
- | ^^^^^^^^^^^^ missing associated type `Bar` value
+ | ^^^^^^^^^^^^ associated type `Bar` must be specified
error: aborting due to 2 previous errors
+++ /dev/null
-// edition:2018
-
-#![feature(alloc, underscore_imports)]
-
-extern crate alloc;
-
-mod in_scope {
- fn check() {
- let v = alloc::vec![0];
- //~^ ERROR use of extern prelude names introduced with `extern crate` items is unstable
- type A = alloc::boxed::Box<u8>;
- //~^ ERROR use of extern prelude names introduced with `extern crate` items is unstable
- }
-}
-
-mod absolute {
- fn check() {
- let v = ::alloc::vec![0];
- //~^ ERROR use of extern prelude names introduced with `extern crate` items is unstable
- type A = ::alloc::boxed::Box<u8>;
- //~^ ERROR use of extern prelude names introduced with `extern crate` items is unstable
- }
-}
-
-mod import_in_scope {
- use alloc as _;
- //~^ ERROR use of extern prelude names introduced with `extern crate` items is unstable
- use alloc::boxed;
- //~^ ERROR use of extern prelude names introduced with `extern crate` items is unstable
-}
-
-mod import_absolute {
- use ::alloc;
- //~^ ERROR use of extern prelude names introduced with `extern crate` items is unstable
- use ::alloc::boxed;
- //~^ ERROR use of extern prelude names introduced with `extern crate` items is unstable
-}
-
-extern crate alloc as core;
-
-mod unrelated_crate_renamed {
- type A = core::boxed::Box<u8>;
- //~^ ERROR use of extern prelude names introduced with `extern crate` items is unstable
-}
-
-fn main() {}
+++ /dev/null
-error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #55599)
- --> $DIR/feature-gate-extern_crate_item_prelude.rs:26:9
- |
-LL | use alloc as _;
- | ^^^^^
- |
- = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
-
-error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #55599)
- --> $DIR/feature-gate-extern_crate_item_prelude.rs:28:9
- |
-LL | use alloc::boxed;
- | ^^^^^
- |
- = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
-
-error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #55599)
- --> $DIR/feature-gate-extern_crate_item_prelude.rs:33:11
- |
-LL | use ::alloc;
- | ^^^^^
- |
- = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
-
-error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #55599)
- --> $DIR/feature-gate-extern_crate_item_prelude.rs:35:11
- |
-LL | use ::alloc::boxed;
- | ^^^^^
- |
- = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
-
-error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #55599)
- --> $DIR/feature-gate-extern_crate_item_prelude.rs:9:17
- |
-LL | let v = alloc::vec![0];
- | ^^^^^
- |
- = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
-
-error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #55599)
- --> $DIR/feature-gate-extern_crate_item_prelude.rs:11:18
- |
-LL | type A = alloc::boxed::Box<u8>;
- | ^^^^^
- |
- = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
-
-error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #55599)
- --> $DIR/feature-gate-extern_crate_item_prelude.rs:18:19
- |
-LL | let v = ::alloc::vec![0];
- | ^^^^^
- |
- = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
-
-error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #55599)
- --> $DIR/feature-gate-extern_crate_item_prelude.rs:20:20
- |
-LL | type A = ::alloc::boxed::Box<u8>;
- | ^^^^^
- |
- = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
-
-error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #55599)
- --> $DIR/feature-gate-extern_crate_item_prelude.rs:42:14
- |
-LL | type A = core::boxed::Box<u8>;
- | ^^^^
- |
- = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
-
-error: aborting due to 9 previous errors
-
-For more information about this error, try `rustc --explain E0658`.
--- /dev/null
+mod m {}
+
+// These two imports should not conflict when this crate is loaded from some other crate.
+use m::{};
+use m::{};
--- /dev/null
+pub mod last_segment {
+ pub mod issue_56125 {}
+}
+
+pub mod non_last_segment {
+ pub mod non_last_segment {
+ pub mod issue_56125 {}
+ }
+}
// compile-pass
// edition:2018
-#![feature(extern_crate_item_prelude)]
-
macro_rules! define_iso { () => {
extern crate std as iso;
}}
// compile-pass
// compile-flags:--cfg my_feature
-#![feature(extern_crate_item_prelude)]
#![no_std]
#[cfg(my_feature)]
// compile-pass
// aux-build:two_macros.rs
-#![feature(extern_crate_item_prelude)]
-
extern crate two_macros;
mod m {
// aux-build:two_macros.rs
-#![feature(extern_crate_item_prelude)]
-
macro_rules! define_vec {
() => {
extern crate std as Vec;
}
}
+macro_rules! define_other_core {
+ () => {
+ extern crate std as core;
+ //~^ ERROR macro-expanded `extern crate` items cannot shadow names passed with `--extern`
+ }
+}
+
+define_other_core!();
+
fn main() {}
+error: macro-expanded `extern crate` items cannot shadow names passed with `--extern`
+ --> $DIR/extern-prelude-extern-crate-restricted-shadowing.rs:19:9
+ |
+LL | extern crate std as core;
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^
+...
+LL | define_other_core!();
+ | --------------------- in this macro invocation
+
error[E0659]: `Vec` is ambiguous (macro-expanded name vs less macro-expanded name from outer scope during import/macro resolution)
- --> $DIR/extern-prelude-extern-crate-restricted-shadowing.rs:15:9
+ --> $DIR/extern-prelude-extern-crate-restricted-shadowing.rs:13:9
|
LL | Vec::panic!(); //~ ERROR `Vec` is ambiguous
| ^^^ ambiguous name
|
= note: `Vec` could refer to a struct from prelude
note: `Vec` could also refer to the extern crate imported here
- --> $DIR/extern-prelude-extern-crate-restricted-shadowing.rs:7:9
+ --> $DIR/extern-prelude-extern-crate-restricted-shadowing.rs:5:9
|
LL | extern crate std as Vec;
| ^^^^^^^^^^^^^^^^^^^^^^^^
LL | define_vec!();
| -------------- in this macro invocation
-error: aborting due to previous error
+error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0659`.
--- /dev/null
+// compile-pass
+// aux-build:two_macros.rs
+
+extern crate two_macros as core;
+
+mod m {
+ fn check() {
+ core::m!(); // OK
+ }
+}
+
+fn main() {}
--- /dev/null
+// compile-pass
+// aux-build:issue-55811.rs
+
+extern crate issue_55811;
+
+fn main() {}
--- /dev/null
+// edition:2018
+// compile-flags:--extern issue_56125
+// aux-build:issue-56125.rs
+
+use issue_56125::last_segment::*;
+//~^ ERROR `issue_56125` is ambiguous
+//~| ERROR unresolved import `issue_56125::last_segment`
+use issue_56125::non_last_segment::non_last_segment::*;
+//~^ ERROR `issue_56125` is ambiguous
+//~| ERROR failed to resolve: could not find `non_last_segment` in `issue_56125`
+
+fn main() {}
--- /dev/null
+error[E0433]: failed to resolve: could not find `non_last_segment` in `issue_56125`
+ --> $DIR/issue-56125.rs:8:18
+ |
+LL | use issue_56125::non_last_segment::non_last_segment::*;
+ | ^^^^^^^^^^^^^^^^ could not find `non_last_segment` in `issue_56125`
+
+error[E0432]: unresolved import `issue_56125::last_segment`
+ --> $DIR/issue-56125.rs:5:18
+ |
+LL | use issue_56125::last_segment::*;
+ | ^^^^^^^^^^^^ could not find `last_segment` in `issue_56125`
+
+error[E0659]: `issue_56125` is ambiguous (name vs any other name during import resolution)
+ --> $DIR/issue-56125.rs:5:5
+ |
+LL | use issue_56125::last_segment::*;
+ | ^^^^^^^^^^^ ambiguous name
+ |
+ = note: `issue_56125` could refer to an extern crate passed with `--extern`
+ = help: use `::issue_56125` to refer to this extern crate unambiguously
+note: `issue_56125` could also refer to the module imported here
+ --> $DIR/issue-56125.rs:5:5
+ |
+LL | use issue_56125::last_segment::*;
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ = help: use `self::issue_56125` to refer to this module unambiguously
+
+error[E0659]: `issue_56125` is ambiguous (name vs any other name during import resolution)
+ --> $DIR/issue-56125.rs:8:5
+ |
+LL | use issue_56125::non_last_segment::non_last_segment::*;
+ | ^^^^^^^^^^^ ambiguous name
+ |
+ = note: `issue_56125` could refer to an extern crate passed with `--extern`
+ = help: use `::issue_56125` to refer to this extern crate unambiguously
+note: `issue_56125` could also refer to the module imported here
+ --> $DIR/issue-56125.rs:5:5
+ |
+LL | use issue_56125::last_segment::*;
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ = help: use `self::issue_56125` to refer to this module unambiguously
+
+error: aborting due to 4 previous errors
+
+Some errors occurred: E0432, E0433, E0659.
+For more information about an error, try `rustc --explain E0432`.
--- /dev/null
+fn a(&self) { }
+//~^ ERROR unexpected `self` argument in function
+//~| NOTE `self` is only valid as the first argument of an associated function
+
+fn main() { }
--- /dev/null
+error: unexpected `self` argument in function
+ --> $DIR/bare-fn-start.rs:1:7
+ |
+LL | fn a(&self) { }
+ | ^^^^ `self` is only valid as the first argument of an associated function
+
+error: aborting due to previous error
+
--- /dev/null
+fn b(foo: u32, &mut self) { }
+//~^ ERROR unexpected `self` argument in function
+//~| NOTE `self` is only valid as the first argument of an associated function
+
+fn main() { }
--- /dev/null
+error: unexpected `self` argument in function
+ --> $DIR/bare-fn.rs:1:21
+ |
+LL | fn b(foo: u32, &mut self) { }
+ | ^^^^ `self` is only valid as the first argument of an associated function
+
+error: aborting due to previous error
+
--- /dev/null
+struct Foo {}
+
+impl Foo {
+ fn c(foo: u32, self) {}
+ //~^ ERROR unexpected `self` argument in function
+ //~| NOTE `self` is only valid as the first argument of an associated function
+
+ fn good(&mut self, foo: u32) {}
+}
+
+fn main() { }
--- /dev/null
+error: unexpected `self` argument in function
+ --> $DIR/trait-fn.rs:4:20
+ |
+LL | fn c(foo: u32, self) {}
+ | ^^^^ `self` is only valid as the first argument of an associated function
+
+error: aborting due to previous error
+
error[E0191]: the value of the associated type `A` (from the trait `Foo`) must be specified
--> $DIR/issue-19482.rs:20:12
|
+LL | type A;
+ | ------- `A` defined here
+...
LL | fn bar(x: &Foo) {}
- | ^^^ missing associated type `A` value
+ | ^^^ associated type `A` must be specified
error: aborting due to previous error
--> $DIR/issue-21950.rs:17:14
|
LL | &Add;
- | ^^^ missing associated type `Output` value
+ | ^^^ associated type `Output` must be specified
error: aborting due to 2 previous errors
error[E0191]: the value of the associated type `A` (from the trait `Foo`) must be specified
--> $DIR/issue-22434.rs:15:19
|
+LL | type A;
+ | ------- `A` defined here
+...
LL | type I<'a> = &'a (Foo + 'a);
- | ^^^^^^^^ missing associated type `A` value
+ | ^^^^^^^^ associated type `A` must be specified
error: aborting due to previous error
LL | | //~^ ERROR E0393
LL | | //~| ERROR E0191
LL | | Sub;
- | |_______________^ missing associated type `Output` value
+ | |_______________^ associated type `Output` must be specified
error: aborting due to 4 previous errors
--> $DIR/issue-23024.rs:19:35
|
LL | println!("{:?}",(vfnfer[0] as Fn)(3));
- | ^^ missing associated type `Output` value
+ | ^^ associated type `Output` must be specified
error: aborting due to 3 previous errors
--> $DIR/issue-28344.rs:14:17
|
LL | let x: u8 = BitXor::bitor(0 as u8, 0 as u8);
- | ^^^^^^^^^^^^^ missing associated type `Output` value
+ | ^^^^^^^^^^^^^ associated type `Output` must be specified
error[E0599]: no function or associated item named `bitor` found for type `dyn std::ops::BitXor<_>` in the current scope
--> $DIR/issue-28344.rs:14:17
--> $DIR/issue-28344.rs:18:13
|
LL | let g = BitXor::bitor;
- | ^^^^^^^^^^^^^ missing associated type `Output` value
+ | ^^^^^^^^^^^^^ associated type `Output` must be specified
error[E0599]: no function or associated item named `bitor` found for type `dyn std::ops::BitXor<_>` in the current scope
--> $DIR/issue-28344.rs:18:13
--- /dev/null
+// Regression test for #56128. When this `pub(super) use...` gets
+// exploded in the HIR, we were not handling ids correctly.
+//
+// compile-pass
+
+mod bar {
+ pub(super) use self::baz::{x, y};
+
+ mod baz {
+ pub fn x() { }
+ pub fn y() { }
+ }
+}
+
+fn main() { }
//~^ ERROR closure is expected to take
f(|| panic!());
//~^ ERROR closure is expected to take
+ f( move || panic!());
+ //~^ ERROR closure is expected to take
let _it = vec![1, 2, 3].into_iter().enumerate().map(|i, x| i);
//~^ ERROR closure is expected to take
LL | f(|_| panic!());
| ^^^
+error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments
+ --> $DIR/closure-arg-count.rs:25:5
+ |
+LL | f( move || panic!());
+ | ^ ---------- takes 0 arguments
+ | |
+ | expected closure that takes 1 argument
+ |
+note: required by `f`
+ --> $DIR/closure-arg-count.rs:13:1
+ |
+LL | fn f<F: Fn<usize>>(_: F) {}
+ | ^^^^^^^^^^^^^^^^^^^^^^^^
+help: consider changing the closure to take and ignore the expected argument
+ |
+LL | f( move |_| panic!());
+ | ^^^
+
error[E0593]: closure is expected to take a single 2-tuple as argument, but it takes 2 distinct arguments
- --> $DIR/closure-arg-count.rs:26:53
+ --> $DIR/closure-arg-count.rs:28:53
|
LL | let _it = vec![1, 2, 3].into_iter().enumerate().map(|i, x| i);
| ^^^ ------ takes 2 distinct arguments
| ^^^^^^^^
error[E0593]: closure is expected to take a single 2-tuple as argument, but it takes 2 distinct arguments
- --> $DIR/closure-arg-count.rs:28:53
+ --> $DIR/closure-arg-count.rs:30:53
|
LL | let _it = vec![1, 2, 3].into_iter().enumerate().map(|i: usize, x| i);
| ^^^ ------------- takes 2 distinct arguments
| ^^^^^^^^
error[E0593]: closure is expected to take a single 2-tuple as argument, but it takes 3 distinct arguments
- --> $DIR/closure-arg-count.rs:30:53
+ --> $DIR/closure-arg-count.rs:32:53
|
LL | let _it = vec![1, 2, 3].into_iter().enumerate().map(|i, x, y| i);
| ^^^ --------- takes 3 distinct arguments
| expected closure that takes a single 2-tuple as argument
error[E0593]: function is expected to take a single 2-tuple as argument, but it takes 0 arguments
- --> $DIR/closure-arg-count.rs:32:53
+ --> $DIR/closure-arg-count.rs:34:53
|
LL | let _it = vec![1, 2, 3].into_iter().enumerate().map(foo);
| ^^^ expected function that takes a single 2-tuple as argument
| -------- takes 0 arguments
error[E0593]: closure is expected to take a single 2-tuple as argument, but it takes 3 distinct arguments
- --> $DIR/closure-arg-count.rs:35:53
+ --> $DIR/closure-arg-count.rs:37:53
|
LL | let bar = |i, x, y| i;
| --------- takes 3 distinct arguments
| ^^^ expected closure that takes a single 2-tuple as argument
error[E0593]: function is expected to take a single 2-tuple as argument, but it takes 2 distinct arguments
- --> $DIR/closure-arg-count.rs:37:53
+ --> $DIR/closure-arg-count.rs:39:53
|
LL | let _it = vec![1, 2, 3].into_iter().enumerate().map(qux);
| ^^^ expected function that takes a single 2-tuple as argument
| -------------------------- takes 2 distinct arguments
error[E0593]: function is expected to take 1 argument, but it takes 2 arguments
- --> $DIR/closure-arg-count.rs:40:41
+ --> $DIR/closure-arg-count.rs:42:41
|
LL | let _it = vec![1, 2, 3].into_iter().map(usize::checked_add);
| ^^^ expected function that takes 1 argument
error[E0593]: function is expected to take 0 arguments, but it takes 1 argument
- --> $DIR/closure-arg-count.rs:43:5
+ --> $DIR/closure-arg-count.rs:45:5
|
LL | call(Foo);
| ^^^^ expected function that takes 0 arguments
| --------------- takes 1 argument
|
note: required by `call`
- --> $DIR/closure-arg-count.rs:50:1
+ --> $DIR/closure-arg-count.rs:52:1
|
LL | fn call<F, R>(_: F) where F: FnOnce() -> R {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-error: aborting due to 13 previous errors
+error: aborting due to 14 previous errors
For more information about this error, try `rustc --explain E0593`.
// except according to those terms.
// compile-flags:-C panic=foo
-// error-pattern:either `panic` or `abort` was expected
+// error-pattern:either `unwind` or `abort` was expected
fn main() {}
-error: incorrect value `foo` for codegen option `panic` - either `panic` or `abort` was expected
+error: incorrect value `foo` for codegen option `panic` - either `unwind` or `abort` was expected
// except according to those terms.
// compile-flags:-C panic
-// error-pattern:requires either `panic` or `abort`
+// error-pattern:requires either `unwind` or `abort`
fn main() {}
-error: codegen option `panic` requires either `panic` or `abort` (C panic=<value>)
+error: codegen option `panic` requires either `unwind` or `abort` (C panic=<value>)
--- /dev/null
+pub trait T<X, Y> {
+ type A;
+ type B;
+ type C;
+}
+ pub struct Foo { i: Box<T<usize, usize, usize, usize, B=usize>> }
+
+ fn main() {}
--- /dev/null
+error[E0107]: wrong number of type arguments: expected 2, found 4
+ --> $DIR/use-type-argument-instead-of-assoc-type.rs:6:42
+ |
+LL | pub struct Foo { i: Box<T<usize, usize, usize, usize, B=usize>> }
+ | ^^^^^ ^^^^^ unexpected type argument
+ | |
+ | unexpected type argument
+
+error[E0191]: the value of the associated types `A` (from the trait `T`), `C` (from the trait `T`) must be specified
+ --> $DIR/use-type-argument-instead-of-assoc-type.rs:6:26
+ |
+LL | type A;
+ | ------- `A` defined here
+LL | type B;
+LL | type C;
+ | ------- `C` defined here
+LL | }
+LL | pub struct Foo { i: Box<T<usize, usize, usize, usize, B=usize>> }
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ | |
+ | associated type `A` must be specified
+ | associated type `C` must be specified
+help: if you meant to specify the associated types, write
+ |
+LL | pub struct Foo { i: Box<T<usize, usize, A = usize, C = usize, B=usize>> }
+ | ^^^^^^^^^ ^^^^^^^^^
+
+error: aborting due to 2 previous errors
+
+Some errors occurred: E0107, E0191.
+For more information about an error, try `rustc --explain E0107`.
--> $DIR/trait-alias-object.rs:18:13
|
LL | let _: &dyn IteratorAlias = &vec![123].into_iter();
- | ^^^^^^^^^^^^^^^^^ missing associated type `Item` value
+ | ^^^^^^^^^^^^^^^^^ associated type `Item` must be specified
error: aborting due to 2 previous errors
-Subproject commit f5d868c9edfc6c2a9310d564a2f738bec67dfd6b
+Subproject commit 754b4c07233ee18820265bd18467aa82263f9a3a
// option. This file may not be copied, modified, or distributed
// except according to those terms.
-//! Check license of third-party deps by inspecting src/vendor
+//! Check license of third-party deps by inspecting vendor
use std::collections::{BTreeSet, HashSet, HashMap};
use std::fs::File;
/// Specifically, this checks that the license is correct.
pub fn check(path: &Path, bad: &mut bool) {
// Check licences
- let path = path.join("vendor");
+ let path = path.join("../vendor");
assert!(path.exists(), "vendor directory missing");
let mut saw_dir = false;
for dir in t!(path.read_dir()) {
dir.path()
.to_str()
.unwrap()
- .contains(&format!("src/vendor/{}", exception))
+ .contains(&format!("vendor/{}", exception))
});
if is_exception {
continue;
.arg("--format-version")
.arg("1")
.arg("--manifest-path")
- .arg(path.join("Cargo.toml"))
+ .arg(path.join("../Cargo.toml"))
.output()
.expect("Unable to run `cargo metadata`")
.stdout;
/// check for external package sources
pub fn check(path: &Path, bad: &mut bool) {
- // Cargo.lock of rust: src/Cargo.lock
- let path = path.join("Cargo.lock");
+ // Cargo.lock of rust (tidy runs inside src/)
+ let path = path.join("../Cargo.lock");
// open and read the whole file
let mut cargo_lock = String::new();
"src/librustc_data_structures/owning_ref",
"src/compiler-rt",
"src/liblibc",
- "src/vendor",
"src/rt/hoedown",
"src/tools/cargo",
"src/tools/clang",
"src/target",
"src/stdsimd",
"target",
+ "vendor",
];
skip.iter().any(|p| path.ends_with(p))
}
projects / rust.git / commitdiff