diff --git a/.gitmodules b/.gitmodules index bdc14d8c3be71..9bc2a6a70eb45 100644 --- a/.gitmodules +++ b/.gitmodules @@ -22,7 +22,7 @@ path = src/doc/nomicon url = https://github.com/rust-lang-nursery/nomicon [submodule "src/tools/cargo"] - path = src/tools/cargo + path = cargo url = https://github.com/rust-lang/cargo [submodule "reference"] path = src/doc/reference diff --git a/.travis.yml b/.travis.yml index fa6c9cf074864..7dd5f6efaf07d 100644 --- a/.travis.yml +++ b/.travis.yml @@ -20,6 +20,7 @@ matrix: - env: IMAGE=dist-armv7-aarch64-linux DEPLOY=1 - env: IMAGE=dist-freebsd DEPLOY=1 - env: IMAGE=dist-i586-gnu-i686-musl DEPLOY=1 + - env: IMAGE=dist-fuchsia DEPLOY=1 - env: IMAGE=dist-mips-linux DEPLOY=1 - env: IMAGE=dist-mips64-linux DEPLOY=1 - env: IMAGE=dist-powerpc-linux DEPLOY=1 @@ -44,6 +45,7 @@ matrix: RUST_CHECK_TARGET=check RUST_CONFIGURE_ARGS=--build=x86_64-apple-darwin SRC=. + RUSTC_RETRY_LINKER_ON_SEGFAULT=1 os: osx osx_image: xcode8.2 install: &osx_install_sccache > @@ -53,6 +55,7 @@ matrix: RUST_CHECK_TARGET=check RUST_CONFIGURE_ARGS=--build=i686-apple-darwin SRC=. + RUSTC_RETRY_LINKER_ON_SEGFAULT=1 os: osx osx_image: xcode8.2 install: *osx_install_sccache @@ -62,18 +65,18 @@ matrix: RUST_CONFIGURE_ARGS="--build=i686-apple-darwin --enable-extended" SRC=. DEPLOY=1 + RUSTC_RETRY_LINKER_ON_SEGFAULT=1 os: osx osx_image: xcode8.2 install: > travis_retry curl -o /usr/local/bin/sccache https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-apple-darwin && - chmod +x /usr/local/bin/sccache && - brew uninstall --ignore-dependencies openssl && - brew install openssl --universal --without-test + chmod +x /usr/local/bin/sccache - env: > RUST_CHECK_TARGET=dist RUST_CONFIGURE_ARGS="--target=aarch64-apple-ios,armv7-apple-ios,armv7s-apple-ios,i386-apple-ios,x86_64-apple-ios --enable-extended" SRC=. DEPLOY=1 + RUSTC_RETRY_LINKER_ON_SEGFAULT=1 os: osx osx_image: xcode8.2 install: *osx_install_sccache @@ -88,6 +91,7 @@ matrix: RUST_CONFIGURE_ARGS="--enable-extended" SRC=. DEPLOY_ALT=1 + RUSTC_RETRY_LINKER_ON_SEGFAULT=1 os: osx osx_image: xcode8.2 install: *osx_install_sccache @@ -128,6 +132,7 @@ after_failure: echo "#### Build failed; Disk usage after running script:"; df -h; du . | sort -nr | head -n100 + - cat obj/tmp/sccache.log # Save tagged docker images we created and load them if they're available before_cache: diff --git a/cargo b/cargo new file mode 160000 index 0000000000000..5f3b9c4c6a7be --- /dev/null +++ b/cargo @@ -0,0 +1 @@ +Subproject commit 5f3b9c4c6a7be1f177d6024cb83d150b6479148a diff --git a/configure b/configure index be8628de62832..d8861dacafac1 100755 --- a/configure +++ b/configure @@ -512,7 +512,7 @@ case $CFG_CPUTYPE in CFG_OSTYPE="${CFG_OSTYPE}eabihf" ;; - armv7l) + armv7l | armv8l) CFG_CPUTYPE=armv7 CFG_OSTYPE="${CFG_OSTYPE}eabihf" ;; diff --git a/src/Cargo.lock b/src/Cargo.lock index f4174693a5771..6dc71e8b602db 100644 --- a/src/Cargo.lock +++ b/src/Cargo.lock @@ -6,23 +6,6 @@ dependencies = [ "libc 0.0.0", ] -[[package]] -name = "advapi32-sys" -version = "0.2.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -dependencies = [ - "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)", - "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)", -] - -[[package]] -name = "aho-corasick" -version = "0.5.3" -source = "registry+https://github.com/rust-lang/crates.io-index" -dependencies = [ - "memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)", -] - [[package]] name = "aho-corasick" version = "0.6.2" @@ -90,11 +73,6 @@ dependencies = [ "toml 0.1.30 (registry+https://github.com/rust-lang/crates.io-index)", ] -[[package]] -name = "bufstream" -version = "0.1.2" -source = "registry+https://github.com/rust-lang/crates.io-index" - [[package]] name = "build-manifest" version = "0.1.0" @@ -110,81 +88,10 @@ dependencies = [ "filetime 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)", ] -[[package]] -name = "cargo" -version = "0.18.0" -dependencies = [ - "advapi32-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)", - "bufstream 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)", - "cargotest 0.1.0", - "crates-io 0.7.0", - "crossbeam 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)", - "curl 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)", - "docopt 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)", - "env_logger 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)", - "filetime 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)", - "flate2 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)", - "fs2 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)", - "git2 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)", - "git2-curl 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)", - "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)", - "hamcrest 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)", - "handlebars 0.25.1 (registry+https://github.com/rust-lang/crates.io-index)", - "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)", - "libc 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)", - "libgit2-sys 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)", - "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)", - "miow 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)", - "num_cpus 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)", - "openssl 0.9.7 (registry+https://github.com/rust-lang/crates.io-index)", - "psapi-sys 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)", - "rustc-serialize 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)", - "semver 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)", - "serde 0.9.7 (registry+https://github.com/rust-lang/crates.io-index)", - "serde_derive 0.9.10 (registry+https://github.com/rust-lang/crates.io-index)", - "serde_ignored 0.0.2 (registry+https://github.com/rust-lang/crates.io-index)", - "serde_json 0.9.7 (registry+https://github.com/rust-lang/crates.io-index)", - "shell-escape 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)", - "tar 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)", - "tempdir 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)", - "term 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)", - "toml 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)", - "url 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)", - "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)", -] - -[[package]] -name = "cargotest" -version = "0.1.0" -dependencies = [ - "bufstream 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)", - "cargo 0.18.0", - "filetime 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)", - "flate2 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)", - "git2 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)", - "hamcrest 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)", - "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)", - "libc 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)", - "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)", - "rustc-serialize 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)", - "serde 0.9.7 (registry+https://github.com/rust-lang/crates.io-index)", - "serde_json 0.9.7 (registry+https://github.com/rust-lang/crates.io-index)", - "tar 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)", - "tempdir 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)", - "term 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)", - "url 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)", - "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)", -] - [[package]] name = "cargotest2" version = "0.1.0" -[[package]] -name = "cfg-if" -version = "0.1.0" -source = "registry+https://github.com/rust-lang/crates.io-index" - [[package]] name = "clap" version = "2.20.5" @@ -240,58 +147,6 @@ dependencies = [ name = "core" version = "0.0.0" -[[package]] -name = "crates-io" -version = "0.7.0" -dependencies = [ - "curl 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)", - "serde 0.9.7 (registry+https://github.com/rust-lang/crates.io-index)", - "serde_derive 0.9.10 (registry+https://github.com/rust-lang/crates.io-index)", - "serde_json 0.9.7 (registry+https://github.com/rust-lang/crates.io-index)", - "url 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)", -] - -[[package]] -name = "crossbeam" -version = "0.2.10" -source = "registry+https://github.com/rust-lang/crates.io-index" - -[[package]] -name = "curl" -version = "0.4.6" -source = 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(registry+https://github.com/rust-lang/crates.io-index)", -] - -[[package]] -name = "docopt" -version = "0.7.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -dependencies = [ - "lazy_static 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)", - "regex 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)", - "rustc-serialize 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)", - "strsim 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)", -] - [[package]] name = "dtoa" version = "0.4.1" @@ -334,48 +189,15 @@ dependencies = [ "gcc 0.3.43 (registry+https://github.com/rust-lang/crates.io-index)", ] -[[package]] -name = "flate2" -version = "0.2.17" -source = "registry+https://github.com/rust-lang/crates.io-index" -dependencies = [ - "libc 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)", - "miniz-sys 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)", -] - [[package]] name = "fmt_macros" version = 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a/src/bootstrap/check.rs b/src/bootstrap/check.rs index dfe96b51799c0..68b3623a53f25 100644 --- a/src/bootstrap/check.rs +++ b/src/bootstrap/check.rs @@ -550,7 +550,7 @@ fn find_tests(dir: &Path, let filename = e.file_name().into_string().unwrap(); if (target.contains("windows") && filename.ends_with(".exe")) || (!target.contains("windows") && !filename.contains(".")) || - (target.contains("emscripten") && filename.contains(".js")){ + (target.contains("emscripten") && filename.ends_with(".js")) { dst.push(e.path()); } } diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs index 46d8d4b4aab2d..3459c1d2b8425 100644 --- a/src/bootstrap/compile.rs +++ b/src/bootstrap/compile.rs @@ -417,7 +417,10 @@ pub fn tool(build: &Build, stage: u32, target: &str, tool: &str) { // build.clear_if_dirty(&out_dir, &libstd_stamp(build, stage, &host, target)); let mut cargo = build.cargo(&compiler, Mode::Tool, target, "build"); - let dir = build.src.join("src/tools").join(tool); + let mut dir = build.src.join(tool); + if !dir.exists() { + dir = build.src.join("src/tools").join(tool); + } cargo.arg("--manifest-path").arg(dir.join("Cargo.toml")); // We don't want to build tools dynamically as they'll be running across diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs index 438ce6103d624..87c35e0502ce6 100644 --- a/src/bootstrap/config.rs +++ b/src/bootstrap/config.rs @@ -59,6 +59,7 @@ pub struct Config { pub llvm_static_stdcpp: bool, pub llvm_link_shared: bool, pub llvm_targets: Option, + pub llvm_link_jobs: Option, // rust codegen options pub rust_optimize: bool, @@ -179,6 +180,7 @@ struct Llvm { version_check: Option, static_libstdcpp: Option, targets: Option, + link_jobs: Option, } #[derive(RustcDecodable, Default, Clone)] @@ -333,6 +335,7 @@ impl Config { set(&mut config.llvm_version_check, llvm.version_check); set(&mut config.llvm_static_stdcpp, llvm.static_libstdcpp); config.llvm_targets = llvm.targets.clone(); + config.llvm_link_jobs = llvm.link_jobs; } if let Some(ref rust) = toml.rust { diff --git a/src/bootstrap/config.toml.example b/src/bootstrap/config.toml.example index 30763e38a336f..776bd729119e2 100644 --- a/src/bootstrap/config.toml.example +++ b/src/bootstrap/config.toml.example @@ -53,6 +53,14 @@ # Rust team and file an issue if you need assistance in porting! #targets = "X86;ARM;AArch64;Mips;PowerPC;SystemZ;JSBackend;MSP430;Sparc;NVPTX" +# Cap the number of parallel linker invocations when compiling LLVM. +# This can be useful when building LLVM with debug info, which significantly +# increases the size of binaries and consequently the memory required by +# each linker process. +# If absent or 0, linker invocations are treated like any other job and +# controlled by rustbuild's -j parameter. +#link-jobs = 0 + # ============================================================================= # General build configuration options # ============================================================================= diff --git a/src/bootstrap/dist.rs b/src/bootstrap/dist.rs index 67e4dad83ce88..5c4b718490c0c 100644 --- a/src/bootstrap/dist.rs +++ b/src/bootstrap/dist.rs @@ -392,6 +392,7 @@ pub fn rust_src(build: &Build) { let src_dirs = [ "man", "src", + "cargo", ]; let filter_fn = move |path: &Path| { @@ -533,11 +534,11 @@ pub fn cargo(build: &Build, stage: u32, target: &str) { println!("Dist cargo stage{} ({})", stage, target); let compiler = Compiler::new(stage, &build.config.build); - let src = build.src.join("src/tools/cargo"); + let src = build.src.join("cargo"); let etc = src.join("src/etc"); - let release_num = &build.crates["cargo"].version; - let name = format!("cargo-{}", build.package_vers(release_num)); - let version = build.cargo_info.version(build, release_num); + let release_num = build.cargo_release_num(); + let name = format!("cargo-{}", build.package_vers(&release_num)); + let version = build.cargo_info.version(build, &release_num); let tmp = tmpdir(build); let image = tmp.join("cargo-image"); @@ -594,7 +595,7 @@ pub fn extended(build: &Build, stage: u32, target: &str) { println!("Dist extended stage{} ({})", stage, target); let dist = distdir(build); - let cargo_vers = &build.crates["cargo"].version; + let cargo_vers = build.cargo_release_num(); let rustc_installer = dist.join(format!("{}-{}.tar.gz", pkgname(build, "rustc"), target)); @@ -943,7 +944,7 @@ pub fn hash_and_sign(build: &Build) { cmd.arg(distdir(build)); cmd.arg(today.trim()); cmd.arg(build.rust_package_vers()); - cmd.arg(build.cargo_info.version(build, &build.crates["cargo"].version)); + cmd.arg(build.cargo_info.version(build, &build.cargo_release_num())); cmd.arg(addr); t!(fs::create_dir_all(distdir(build))); diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs index 071d0b0b09009..4831b38083740 100644 --- a/src/bootstrap/lib.rs +++ b/src/bootstrap/lib.rs @@ -76,11 +76,12 @@ extern crate num_cpus; extern crate rustc_serialize; extern crate toml; -use std::collections::HashMap; use std::cmp; +use std::collections::HashMap; use std::env; use std::ffi::OsString; use std::fs::{self, File}; +use std::io::Read; use std::path::{Component, PathBuf, Path}; use std::process::Command; @@ -995,6 +996,21 @@ impl Build { self.rust_info.version(self, channel::CFG_RELEASE_NUM) } + /// Returns the `a.b.c` version that Cargo is at. + fn cargo_release_num(&self) -> String { + let mut toml = String::new(); + t!(t!(File::open(self.src.join("cargo/Cargo.toml"))).read_to_string(&mut toml)); + for line in toml.lines() { + let prefix = "version = \""; + let suffix = "\""; + if line.starts_with(prefix) && line.ends_with(suffix) { + return line[prefix.len()..line.len() - suffix.len()].to_string() + } + } + + panic!("failed to find version in cargo's Cargo.toml") + } + /// Returns whether unstable features should be enabled for the compiler /// we're building. fn unstable_features(&self) -> bool { diff --git a/src/bootstrap/native.rs b/src/bootstrap/native.rs index 483f45fdd6218..c13235b9c7680 100644 --- a/src/bootstrap/native.rs +++ b/src/bootstrap/native.rs @@ -115,6 +115,12 @@ pub fn llvm(build: &Build, target: &str) { cfg.define("LLVM_BUILD_32_BITS", "ON"); } + if let Some(num_linkers) = build.config.llvm_link_jobs { + if num_linkers > 0 { + cfg.define("LLVM_PARALLEL_LINK_JOBS", num_linkers.to_string()); + } + } + // http://llvm.org/docs/HowToCrossCompileLLVM.html if target != build.config.build { // FIXME: if the llvm root for the build triple is overridden then we diff --git a/src/bootstrap/step.rs b/src/bootstrap/step.rs index a5c0d11d21985..a11726a57dbdd 100644 --- a/src/bootstrap/step.rs +++ b/src/bootstrap/step.rs @@ -559,7 +559,7 @@ pub fn build_rules<'a>(build: &'a Build) -> Rules { rules.build("tool-qemu-test-client", "src/tools/qemu-test-client") .dep(|s| s.name("libstd")) .run(move |s| compile::tool(build, s.stage, s.target, "qemu-test-client")); - rules.build("tool-cargo", "src/tools/cargo") + rules.build("tool-cargo", "cargo") .dep(|s| s.name("libstd")) .dep(|s| s.stage(0).host(s.target).name("openssl")) .dep(move |s| { diff --git a/src/ci/docker/dist-fuchsia/Dockerfile b/src/ci/docker/dist-fuchsia/Dockerfile new file mode 100644 index 0000000000000..25a47c5be1cb3 --- /dev/null +++ b/src/ci/docker/dist-fuchsia/Dockerfile @@ -0,0 +1,47 @@ +FROM ubuntu:16.04 + +RUN apt-get update && apt-get install -y --no-install-recommends \ + g++ \ + make \ + ninja-build \ + file \ + curl \ + ca-certificates \ + python2.7-dev \ + git \ + sudo \ + bzip2 \ + xz-utils \ + swig \ + libedit-dev \ + libncurses5-dev + +RUN curl -L https://cmake.org/files/v3.8/cmake-3.8.0-rc1-Linux-x86_64.tar.gz | \ + tar xzf - -C /usr/local --strip-components=1 + +WORKDIR /tmp +COPY shared.sh build-toolchain.sh /tmp/ +RUN /tmp/build-toolchain.sh + +RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \ + dpkg -i dumb-init_*.deb && \ + rm dumb-init_*.deb +ENTRYPOINT ["/usr/bin/dumb-init", "--"] + +RUN curl -o /usr/local/bin/sccache \ + https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \ + chmod +x /usr/local/bin/sccache + +ENV \ + AR_x86_64_unknown_fuchsia=x86_64-unknown-fuchsia-ar \ + CC_x86_64_unknown_fuchsia=x86_64-unknown-fuchsia-clang \ + CXX_x86_64_unknown_fuchsia=x86_64-unknown-fuchsia-clang++ \ + AR_aarch64_unknown_fuchsia=aarch64-unknown-fuchsia-ar \ + CC_aarch64_unknown_fuchsia=aarch64-unknown-fuchsia-clang \ + CXX_aarch64_unknown_fuchsia=aarch64-unknown-fuchsia-clang++ + +ENV TARGETS=x86_64-unknown-fuchsia +ENV TARGETS=$TARGETS,aarch64-unknown-fuchsia + +ENV RUST_CONFIGURE_ARGS --target=$TARGETS +ENV SCRIPT python2.7 ../x.py dist --target $TARGETS diff --git a/src/ci/docker/dist-fuchsia/build-toolchain.sh b/src/ci/docker/dist-fuchsia/build-toolchain.sh new file mode 100755 index 0000000000000..cad73eee1e013 --- /dev/null +++ b/src/ci/docker/dist-fuchsia/build-toolchain.sh @@ -0,0 +1,116 @@ +#!/bin/bash +# Copyright 2017 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 or the MIT license +# , at your +# option. This file may not be copied, modified, or distributed +# except according to those terms. + +set -ex +source shared.sh + +# Download sources +SRCS=( + "https://fuchsia.googlesource.com/magenta magenta ac69119" + "https://fuchsia.googlesource.com/third_party/llvm llvm 5463083" + "https://fuchsia.googlesource.com/third_party/clang llvm/tools/clang 4ff7b4b" + "https://fuchsia.googlesource.com/third_party/lld llvm/tools/lld fd465a3" + "https://fuchsia.googlesource.com/third_party/lldb llvm/tools/lldb 6bb11f8" + "https://fuchsia.googlesource.com/third_party/compiler-rt llvm/runtimes/compiler-rt 52d4ecc" + "https://fuchsia.googlesource.com/third_party/libcxx llvm/runtimes/libcxx e891cc8" + "https://fuchsia.googlesource.com/third_party/libcxxabi llvm/runtimes/libcxxabi f0f0257" + "https://fuchsia.googlesource.com/third_party/libunwind llvm/runtimes/libunwind 50bddc1" +) + +fetch() { + mkdir -p $2 + pushd $2 > /dev/null + curl -sL $1/+archive/$3.tar.gz | tar xzf - + popd > /dev/null +} + +for i in "${SRCS[@]}"; do + fetch $i +done + +# Build toolchain +cd llvm +mkdir build +cd build +hide_output cmake -GNinja \ + -DFUCHSIA_SYSROOT=${PWD}/../../magenta/third_party/ulib/musl \ + -DLLVM_ENABLE_LTO=OFF \ + -DCLANG_BOOTSTRAP_PASSTHROUGH=LLVM_ENABLE_LTO \ + -C ../tools/clang/cmake/caches/Fuchsia.cmake \ + .. +hide_output ninja stage2-distribution +hide_output ninja stage2-install-distribution +cd ../.. + +# Build sysroot +rm -rf llvm/runtimes/compiler-rt +./magenta/scripts/download-toolchain + +build_sysroot() { + local arch="$1" + + case "${arch}" in + x86_64) tgt="magenta-pc-x86-64" ;; + aarch64) tgt="magenta-qemu-arm64" ;; + esac + + hide_output make -C magenta -j$(getconf _NPROCESSORS_ONLN) $tgt + dst=/usr/local/${arch}-unknown-fuchsia + mkdir -p $dst + cp -r magenta/build-${tgt}/sysroot/include $dst/ + cp -r magenta/build-${tgt}/sysroot/lib $dst/ + + cd llvm + mkdir build-runtimes-${arch} + cd build-runtimes-${arch} + hide_output cmake -GNinja \ + -DCMAKE_C_COMPILER=clang \ + -DCMAKE_CXX_COMPILER=clang++ \ + -DCMAKE_AR=/usr/local/bin/llvm-ar \ + -DCMAKE_RANLIB=/usr/local/bin/llvm-ranlib \ + -DCMAKE_INSTALL_PREFIX= \ + -DLLVM_MAIN_SRC_DIR=${PWD}/.. \ + -DLLVM_BINARY_DIR=${PWD}/../build \ + -DLLVM_ENABLE_WERROR=OFF \ + -DCMAKE_BUILD_TYPE=Release \ + -DLLVM_INCLUDE_TESTS=ON \ + -DCMAKE_SYSTEM_NAME=Fuchsia \ + -DCMAKE_C_COMPILER_TARGET=${arch}-fuchsia \ + -DCMAKE_CXX_COMPILER_TARGET=${arch}-fuchsia \ + -DUNIX=1 \ + -DLIBCXX_HAS_MUSL_LIBC=ON \ + -DLIBCXXABI_USE_LLVM_UNWINDER=ON \ + -DCMAKE_SYSROOT=${dst} \ + -DCMAKE_C_COMPILER_FORCED=TRUE \ + -DCMAKE_CXX_COMPILER_FORCED=TRUE \ + -DLLVM_ENABLE_LIBCXX=ON \ + -DCMAKE_EXE_LINKER_FLAGS="-nodefaultlibs -lc" \ + -DCMAKE_SHARED_LINKER_FLAGS="$(clang --target=${arch}-fuchsia -print-libgcc-file-name)" \ + ../runtimes + hide_output env DESTDIR="${dst}" ninja install + cd ../.. +} + +build_sysroot "x86_64" +build_sysroot "aarch64" + +rm -rf magenta llvm + +for arch in x86_64 aarch64; do + for tool in clang clang++; do + cat >/usr/local/bin/${arch}-unknown-fuchsia-${tool} < or the MIT license +# , at your +# option. This file may not be copied, modified, or distributed +# except according to those terms. + +hide_output() { + set +x + on_err=" +echo ERROR: An error was encountered with the build. +cat /tmp/build.log +exit 1 +" + trap "$on_err" ERR + bash -c "while true; do sleep 30; echo \$(date) - building ...; done" & + PING_LOOP_PID=$! + "$@" &> /tmp/build.log + trap - ERR + kill $PING_LOOP_PID + set -x +} diff --git a/src/ci/docker/run.sh b/src/ci/docker/run.sh index 1e61f2169106c..437041e0292ca 100755 --- a/src/ci/docker/run.sh +++ b/src/ci/docker/run.sh @@ -30,13 +30,17 @@ retry docker \ objdir=$root_dir/obj mkdir -p $HOME/.cargo -mkdir -p $objdir +mkdir -p $objdir/tmp args= if [ "$SCCACHE_BUCKET" != "" ]; then args="$args --env SCCACHE_BUCKET=$SCCACHE_BUCKET" args="$args --env AWS_ACCESS_KEY_ID=$AWS_ACCESS_KEY_ID" args="$args --env AWS_SECRET_ACCESS_KEY=$AWS_SECRET_ACCESS_KEY" + args="$args --env SCCACHE_ERROR_LOG=/tmp/sccache/sccache.log" + args="$args --env SCCACHE_LOG_LEVEL=debug" + args="$args --env RUST_LOG=sccache=debug" + args="$args --volume $objdir/tmp:/tmp/sccache" else mkdir -p $HOME/.cache/sccache args="$args --env SCCACHE_DIR=/sccache --volume $HOME/.cache/sccache:/sccache" diff --git a/src/liballoc/boxed.rs b/src/liballoc/boxed.rs index d0fce70612868..43b0d72186a29 100644 --- a/src/liballoc/boxed.rs +++ b/src/liballoc/boxed.rs @@ -225,6 +225,8 @@ impl Drop for IntermediateBox { impl Box { /// Allocates memory on the heap and then places `x` into it. /// + /// This doesn't actually allocate if `T` is zero-sized. + /// /// # Examples /// /// ``` diff --git a/src/libcollections/vec_deque.rs b/src/libcollections/vec_deque.rs index 8d42045ff1637..1985be7f901c6 100644 --- a/src/libcollections/vec_deque.rs +++ b/src/libcollections/vec_deque.rs @@ -22,7 +22,7 @@ use core::cmp::Ordering; use core::fmt; use core::iter::{repeat, FromIterator, FusedIterator}; use core::mem; -use core::ops::{Index, IndexMut}; +use core::ops::{Index, IndexMut, Place, Placer, InPlace}; use core::ptr; use core::ptr::Shared; use core::slice; @@ -1087,14 +1087,7 @@ impl VecDeque { /// ``` #[stable(feature = "rust1", since = "1.0.0")] pub fn push_front(&mut self, value: T) { - if self.is_full() { - let old_cap = self.cap(); - self.buf.double(); - unsafe { - self.handle_cap_increase(old_cap); - } - debug_assert!(!self.is_full()); - } + self.grow_if_necessary(); self.tail = self.wrap_sub(self.tail, 1); let tail = self.tail; @@ -1117,14 +1110,7 @@ impl VecDeque { /// ``` #[stable(feature = "rust1", since = "1.0.0")] pub fn push_back(&mut self, value: T) { - if self.is_full() { - let old_cap = self.cap(); - self.buf.double(); - unsafe { - self.handle_cap_increase(old_cap); - } - debug_assert!(!self.is_full()); - } + self.grow_if_necessary(); let head = self.head; self.head = self.wrap_add(self.head, 1); @@ -1257,14 +1243,7 @@ impl VecDeque { #[stable(feature = "deque_extras_15", since = "1.5.0")] pub fn insert(&mut self, index: usize, value: T) { assert!(index <= self.len(), "index out of bounds"); - if self.is_full() { - let old_cap = self.cap(); - self.buf.double(); - unsafe { - self.handle_cap_increase(old_cap); - } - debug_assert!(!self.is_full()); - } + self.grow_if_necessary(); // Move the least number of elements in the ring buffer and insert // the given object @@ -1762,11 +1741,74 @@ impl VecDeque { self.truncate(len - del); } } + + // This may panic or abort + #[inline] + fn grow_if_necessary(&mut self) { + if self.is_full() { + let old_cap = self.cap(); + self.buf.double(); + unsafe { + self.handle_cap_increase(old_cap); + } + debug_assert!(!self.is_full()); + } + } + + /// Returns a place for insertion at the back of the `VecDeque`. + /// + /// Using this method with placement syntax is equivalent to [`push_back`](#method.push_back), + /// but may be more efficient. + /// + /// # Examples + /// + /// ``` + /// #![feature(collection_placement)] + /// #![feature(placement_in_syntax)] + /// + /// use std::collections::VecDeque; + /// + /// let mut buf = VecDeque::new(); + /// buf.place_back() <- 3; + /// buf.place_back() <- 4; + /// assert_eq!(&buf, &[3, 4]); + /// ``` + #[unstable(feature = "collection_placement", + reason = "placement protocol is subject to change", + issue = "30172")] + pub fn place_back(&mut self) -> PlaceBack { + PlaceBack { vec_deque: self } + } + + /// Returns a place for insertion at the front of the `VecDeque`. + /// + /// Using this method with placement syntax is equivalent to [`push_front`](#method.push_front), + /// but may be more efficient. + /// + /// # Examples + /// + /// ``` + /// #![feature(collection_placement)] + /// #![feature(placement_in_syntax)] + /// + /// use std::collections::VecDeque; + /// + /// let mut buf = VecDeque::new(); + /// buf.place_front() <- 3; + /// buf.place_front() <- 4; + /// assert_eq!(&buf, &[4, 3]); + /// ``` + #[unstable(feature = "collection_placement", + reason = "placement protocol is subject to change", + issue = "30172")] + pub fn place_front(&mut self) -> PlaceFront { + PlaceFront { vec_deque: self } + } } impl VecDeque { /// Modifies the `VecDeque` in-place so that `len()` is equal to new_len, - /// either by removing excess elements or by appending copies of a value to the back. + /// either by removing excess elements or by appending clones of `value` to the back. /// /// # Examples /// @@ -2442,6 +2484,98 @@ impl From> for Vec { } } +/// A place for insertion at the back of a `VecDeque`. +/// +/// See [`VecDeque::place_back`](struct.VecDeque.html#method.place_back) for details. +#[must_use = "places do nothing unless written to with `<-` syntax"] +#[unstable(feature = "collection_placement", + reason = "struct name and placement protocol are subject to change", + issue = "30172")] +#[derive(Debug)] +pub struct PlaceBack<'a, T: 'a> { + vec_deque: &'a mut VecDeque, +} + +#[unstable(feature = "collection_placement", + reason = "placement protocol is subject to change", + issue = "30172")] +impl<'a, T> Placer for PlaceBack<'a, T> { + type Place = PlaceBack<'a, T>; + + fn make_place(self) -> Self { + self.vec_deque.grow_if_necessary(); + self + } +} + +#[unstable(feature = "collection_placement", + reason = "placement protocol is subject to change", + issue = "30172")] +impl<'a, T> Place for PlaceBack<'a, T> { + fn pointer(&mut self) -> *mut T { + unsafe { self.vec_deque.ptr().offset(self.vec_deque.head as isize) } + } +} + +#[unstable(feature = "collection_placement", + reason = "placement protocol is subject to change", + issue = "30172")] +impl<'a, T> InPlace for PlaceBack<'a, T> { + type Owner = &'a mut T; + + unsafe fn finalize(mut self) -> &'a mut T { + let head = self.vec_deque.head; + self.vec_deque.head = self.vec_deque.wrap_add(head, 1); + &mut *(self.vec_deque.ptr().offset(head as isize)) + } +} + +/// A place for insertion at the front of a `VecDeque`. +/// +/// See [`VecDeque::place_front`](struct.VecDeque.html#method.place_front) for details. +#[must_use = "places do nothing unless written to with `<-` syntax"] +#[unstable(feature = "collection_placement", + reason = "struct name and placement protocol are subject to change", + issue = "30172")] +#[derive(Debug)] +pub struct PlaceFront<'a, T: 'a> { + vec_deque: &'a mut VecDeque, +} + +#[unstable(feature = "collection_placement", + reason = "placement protocol is subject to change", + issue = "30172")] +impl<'a, T> Placer for PlaceFront<'a, T> { + type Place = PlaceFront<'a, T>; + + fn make_place(self) -> Self { + self.vec_deque.grow_if_necessary(); + self + } +} + +#[unstable(feature = "collection_placement", + reason = "placement protocol is subject to change", + issue = "30172")] +impl<'a, T> Place for PlaceFront<'a, T> { + fn pointer(&mut self) -> *mut T { + let tail = self.vec_deque.wrap_sub(self.vec_deque.tail, 1); + unsafe { self.vec_deque.ptr().offset(tail as isize) } + } +} + +#[unstable(feature = "collection_placement", + reason = "placement protocol is subject to change", + issue = "30172")] +impl<'a, T> InPlace for PlaceFront<'a, T> { + type Owner = &'a mut T; + + unsafe fn finalize(mut self) -> &'a mut T { + self.vec_deque.tail = self.vec_deque.wrap_sub(self.vec_deque.tail, 1); + &mut *(self.vec_deque.ptr().offset(self.vec_deque.tail as isize)) + } +} + #[cfg(test)] mod tests { use test; @@ -2797,4 +2931,5 @@ mod tests { } } } + } diff --git a/src/libcollectionstest/lib.rs b/src/libcollectionstest/lib.rs index 849d240169169..d97d9b8ab83f6 100644 --- a/src/libcollectionstest/lib.rs +++ b/src/libcollectionstest/lib.rs @@ -32,6 +32,7 @@ extern crate collections; extern crate test; extern crate std_unicode; +extern crate core; use std::hash::{Hash, Hasher}; use std::collections::hash_map::DefaultHasher; diff --git a/src/libcollectionstest/vec_deque.rs b/src/libcollectionstest/vec_deque.rs index 1541061a19842..f2935c05d4f7a 100644 --- a/src/libcollectionstest/vec_deque.rs +++ b/src/libcollectionstest/vec_deque.rs @@ -10,7 +10,7 @@ use std::collections::VecDeque; use std::fmt::Debug; -use std::collections::vec_deque::Drain; +use std::collections::vec_deque::{Drain}; use self::Taggy::*; use self::Taggypar::*; @@ -1000,3 +1000,25 @@ fn test_is_empty() { assert!(v.iter_mut().is_empty()); assert!(v.into_iter().is_empty()); } + +#[test] +fn test_placement_in() { + let mut buf: VecDeque = VecDeque::new(); + buf.place_back() <- 1; + buf.place_back() <- 2; + assert_eq!(buf, [1,2]); + + buf.place_front() <- 3; + buf.place_front() <- 4; + assert_eq!(buf, [4,3,1,2]); + + { + let ptr_head = buf.place_front() <- 5; + assert_eq!(*ptr_head, 5); + } + { + let ptr_tail = buf.place_back() <- 6; + assert_eq!(*ptr_tail, 6); + } + assert_eq!(buf, [5,4,3,1,2,6]); +} diff --git a/src/librustc/traits/error_reporting.rs b/src/librustc/traits/error_reporting.rs index 99db5f9b62435..0e5c786cd8dcf 100644 --- a/src/librustc/traits/error_reporting.rs +++ b/src/librustc/traits/error_reporting.rs @@ -23,11 +23,17 @@ use super::{ ObjectSafetyViolation, }; +use errors::DiagnosticBuilder; use fmt_macros::{Parser, Piece, Position}; +use hir::{intravisit, Local, Pat}; +use hir::intravisit::{Visitor, NestedVisitorMap}; +use hir::map::NodeExpr; use hir::def_id::DefId; use infer::{self, InferCtxt}; use infer::type_variable::TypeVariableOrigin; use rustc::lint::builtin::EXTRA_REQUIREMENT_IN_IMPL; +use std::fmt; +use syntax::ast; use ty::{self, AdtKind, ToPredicate, ToPolyTraitRef, Ty, TyCtxt, TypeFoldable}; use ty::error::ExpectedFound; use ty::fast_reject; @@ -35,12 +41,8 @@ use ty::fold::TypeFolder; use ty::subst::Subst; use util::nodemap::{FxHashMap, FxHashSet}; -use std::fmt; -use syntax::ast; -use hir::{intravisit, Local, Pat}; -use hir::intravisit::{Visitor, NestedVisitorMap}; use syntax_pos::{DUMMY_SP, Span}; -use errors::DiagnosticBuilder; + #[derive(Debug, PartialEq, Eq, Hash)] pub struct TraitErrorKey<'tcx> { @@ -848,15 +850,18 @@ impl<'a, 'gcx, 'tcx> InferCtxt<'a, 'gcx, 'tcx> { err.span_label(cause.span, &format!("cannot infer type for `{}`", name)); - let expr = self.tcx.hir.expect_expr(cause.body_id); - let mut local_visitor = FindLocalByTypeVisitor { infcx: &self, target_ty: &ty, found_pattern: None, }; - local_visitor.visit_expr(expr); + // #40294: cause.body_id can also be a fn declaration. + // Currently, if it's anything other than NodeExpr, we just ignore it + match self.tcx.hir.find(cause.body_id) { + Some(NodeExpr(expr)) => local_visitor.visit_expr(expr), + _ => () + } if let Some(pattern) = local_visitor.found_pattern { let pattern_span = pattern.span; diff --git a/src/librustc_driver/driver.rs b/src/librustc_driver/driver.rs index 9619ba8472404..2d08817e2a0d1 100644 --- a/src/librustc_driver/driver.rs +++ b/src/librustc_driver/driver.rs @@ -125,6 +125,10 @@ pub fn compile_input(sess: &Session, }; write_out_deps(sess, &outputs, &crate_name); + if sess.opts.output_types.contains_key(&OutputType::DepInfo) && + sess.opts.output_types.keys().count() == 1 { + return Ok(()) + } let arena = DroplessArena::new(); let arenas = GlobalArenas::new(); @@ -604,7 +608,7 @@ pub fn phase_2_configure_and_expand(sess: &Session, let whitelisted_legacy_custom_derives = registry.take_whitelisted_custom_derives(); let Registry { syntax_exts, early_lint_passes, late_lint_passes, lint_groups, - llvm_passes, attributes, mir_passes, .. } = registry; + llvm_passes, attributes, .. } = registry; sess.track_errors(|| { let mut ls = sess.lint_store.borrow_mut(); @@ -620,7 +624,6 @@ pub fn phase_2_configure_and_expand(sess: &Session, } *sess.plugin_llvm_passes.borrow_mut() = llvm_passes; - sess.mir_passes.borrow_mut().extend(mir_passes); *sess.plugin_attributes.borrow_mut() = attributes.clone(); })?; diff --git a/src/librustc_errors/emitter.rs b/src/librustc_errors/emitter.rs index 0b0a9e51cacb0..431edb3c9bc4d 100644 --- a/src/librustc_errors/emitter.rs +++ b/src/librustc_errors/emitter.rs @@ -358,39 +358,45 @@ impl EmitterWriter { let mut annotations_position = vec![]; let mut line_len = 0; let mut p = 0; - let mut ann_iter = annotations.iter().peekable(); - while let Some(annotation) = ann_iter.next() { - let peek = ann_iter.peek(); - if let Some(next) = peek { - if overlaps(next, annotation) && !annotation.is_line() && !next.is_line() + for (i, annotation) in annotations.iter().enumerate() { + for (j, next) in annotations.iter().enumerate() { + if overlaps(next, annotation, 0) // This label overlaps with another one and both + && !annotation.is_line() // take space (they have text and are not + && !next.is_line() // multiline lines). && annotation.has_label() + && j > i + && p == 0 // We're currently on the first line, move the label one line down { // This annotation needs a new line in the output. p += 1; + break; } } annotations_position.push((p, annotation)); - if let Some(next) = peek { - let l = if let Some(ref label) = next.label { - label.len() + 2 - } else { - 0 - }; - if (overlaps(next, annotation) // Do not allow two labels to be in the same line - || next.end_col + l > annotation.start_col) // if they overlap including - // padding, to avoid situations like: - // - // fn foo(x: u32) { - // -------^------ - // | | - // fn_spanx_span - // - && !annotation.is_line() // Do not add a new line if this annotation or the - && !next.is_line() // next are vertical line placeholders. - && annotation.has_label() // Both labels must have some text, otherwise - && next.has_label() // they are not overlapping. - { - p += 1; + for (j, next) in annotations.iter().enumerate() { + if j > i { + let l = if let Some(ref label) = next.label { + label.len() + 2 + } else { + 0 + }; + if overlaps(next, annotation, l) // Do not allow two labels to be in the same + // line if they overlap including padding, to + // avoid situations like: + // + // fn foo(x: u32) { + // -------^------ + // | | + // fn_spanx_span + // + && !annotation.is_line() // Do not add a new line if this annotation + && !next.is_line() // or the next are vertical line placeholders. + && annotation.has_label() // Both labels must have some text, otherwise + && next.has_label() // they are not overlapping. + { + p += 1; + break; + } } } if line_len < p { @@ -1088,8 +1094,8 @@ fn num_overlap(a_start: usize, a_end: usize, b_start: usize, b_end:usize, inclus (b_start..b_end + extra).contains(a_start) || (a_start..a_end + extra).contains(b_start) } -fn overlaps(a1: &Annotation, a2: &Annotation) -> bool { - num_overlap(a1.start_col, a1.end_col, a2.start_col, a2.end_col, false) +fn overlaps(a1: &Annotation, a2: &Annotation, padding: usize) -> bool { + num_overlap(a1.start_col, a1.end_col + padding, a2.start_col, a2.end_col, false) } fn emit_to_destination(rendered_buffer: &Vec>, diff --git a/src/librustc_errors/lib.rs b/src/librustc_errors/lib.rs index d7bd5ed23c2b0..4c889dad8ca50 100644 --- a/src/librustc_errors/lib.rs +++ b/src/librustc_errors/lib.rs @@ -90,7 +90,8 @@ impl CodeSuggestion { hi_opt: Option<&Loc>) { let (lo, hi_opt) = (lo.col.to_usize(), hi_opt.map(|hi| hi.col.to_usize())); if let Some(line) = line_opt { - if line.len() > lo { + if let Some(lo) = line.char_indices().map(|(i, _)| i).nth(lo) { + let hi_opt = hi_opt.and_then(|hi| line.char_indices().map(|(i, _)| i).nth(hi)); buf.push_str(match hi_opt { Some(hi) => &line[lo..hi], None => &line[lo..], diff --git a/src/librustc_lint/unused.rs b/src/librustc_lint/unused.rs index 28ce9126019eb..f9b7c68587678 100644 --- a/src/librustc_lint/unused.rs +++ b/src/librustc_lint/unused.rs @@ -189,11 +189,38 @@ impl LintPass for UnusedUnsafe { impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UnusedUnsafe { fn check_expr(&mut self, cx: &LateContext, e: &hir::Expr) { + /// Return the NodeId for an enclosing scope that is also `unsafe` + fn is_enclosed(cx: &LateContext, id: ast::NodeId) -> Option<(String, ast::NodeId)> { + let parent_id = cx.tcx.hir.get_parent_node(id); + if parent_id != id { + if cx.tcx.used_unsafe.borrow().contains(&parent_id) { + Some(("block".to_string(), parent_id)) + } else if let Some(hir::map::NodeItem(&hir::Item { + node: hir::ItemFn(_, hir::Unsafety::Unsafe, _, _, _, _), + .. + })) = cx.tcx.hir.find(parent_id) { + Some(("fn".to_string(), parent_id)) + } else { + is_enclosed(cx, parent_id) + } + } else { + None + } + } if let hir::ExprBlock(ref blk) = e.node { // Don't warn about generated blocks, that'll just pollute the output. if blk.rules == hir::UnsafeBlock(hir::UserProvided) && !cx.tcx.used_unsafe.borrow().contains(&blk.id) { - cx.span_lint(UNUSED_UNSAFE, blk.span, "unnecessary `unsafe` block"); + + let mut db = cx.struct_span_lint(UNUSED_UNSAFE, blk.span, + "unnecessary `unsafe` block"); + + db.span_label(blk.span, &"unnecessary `unsafe` block"); + if let Some((kind, id)) = is_enclosed(cx, blk.id) { + db.span_note(cx.tcx.hir.span(id), + &format!("because it's nested under this `unsafe` {}", kind)); + } + db.emit(); } } } diff --git a/src/librustc_plugin/registry.rs b/src/librustc_plugin/registry.rs index 3700d0295e963..cdde56f5f634b 100644 --- a/src/librustc_plugin/registry.rs +++ b/src/librustc_plugin/registry.rs @@ -13,8 +13,6 @@ use rustc::lint::{EarlyLintPassObject, LateLintPassObject, LintId, Lint}; use rustc::session::Session; -use rustc::mir::transform::MirMapPass; - use syntax::ext::base::{SyntaxExtension, NamedSyntaxExtension, NormalTT, IdentTT}; use syntax::ext::base::MacroExpanderFn; use syntax::symbol::Symbol; @@ -53,9 +51,6 @@ pub struct Registry<'a> { #[doc(hidden)] pub late_lint_passes: Vec, - #[doc(hidden)] - pub mir_passes: Vec MirMapPass<'pcx>>>, - #[doc(hidden)] pub lint_groups: HashMap<&'static str, Vec>, @@ -81,7 +76,6 @@ impl<'a> Registry<'a> { lint_groups: HashMap::new(), llvm_passes: vec![], attributes: vec![], - mir_passes: Vec::new(), whitelisted_custom_derives: Vec::new(), } } @@ -157,11 +151,6 @@ impl<'a> Registry<'a> { self.lint_groups.insert(name, to.into_iter().map(|x| LintId::of(x)).collect()); } - /// Register a MIR pass - pub fn register_mir_pass(&mut self, pass: Box MirMapPass<'pcx>>) { - self.mir_passes.push(pass); - } - /// Register an LLVM pass. /// /// Registration with LLVM itself is handled through static C++ objects with diff --git a/src/librustc_save_analysis/data.rs b/src/librustc_save_analysis/data.rs index 0a6281bf8c54c..6caf81380e40d 100644 --- a/src/librustc_save_analysis/data.rs +++ b/src/librustc_save_analysis/data.rs @@ -15,7 +15,7 @@ use rustc::hir; use rustc::hir::def_id::{CrateNum, DefId}; -use syntax::ast::{self, NodeId}; +use syntax::ast::{self, Attribute, NodeId}; use syntax_pos::Span; pub struct CrateData { @@ -136,6 +136,7 @@ pub struct EnumData { pub visibility: Visibility, pub docs: String, pub sig: Signature, + pub attributes: Vec, } /// Data for extern crates. @@ -171,6 +172,7 @@ pub struct FunctionData { pub parent: Option, pub docs: String, pub sig: Signature, + pub attributes: Vec, } /// Data about a function call. @@ -256,6 +258,7 @@ pub struct MethodData { pub visibility: Visibility, pub docs: String, pub sig: Signature, + pub attributes: Vec, } /// Data for modules. @@ -271,6 +274,7 @@ pub struct ModData { pub visibility: Visibility, pub docs: String, pub sig: Signature, + pub attributes: Vec, } /// Data for a reference to a module. @@ -295,6 +299,7 @@ pub struct StructData { pub visibility: Visibility, pub docs: String, pub sig: Signature, + pub attributes: Vec, } #[derive(Debug, RustcEncodable)] @@ -309,6 +314,7 @@ pub struct StructVariantData { pub parent: Option, pub docs: String, pub sig: Signature, + pub attributes: Vec, } #[derive(Debug, RustcEncodable)] @@ -323,6 +329,7 @@ pub struct TraitData { pub visibility: Visibility, pub docs: String, pub sig: Signature, + pub attributes: Vec, } #[derive(Debug, RustcEncodable)] @@ -337,6 +344,7 @@ pub struct TupleVariantData { pub parent: Option, pub docs: String, pub sig: Signature, + pub attributes: Vec, } /// Data for a typedef. @@ -351,6 +359,7 @@ pub struct TypeDefData { pub parent: Option, pub docs: String, pub sig: Option, + pub attributes: Vec, } /// Data for a reference to a type or trait. @@ -396,6 +405,7 @@ pub struct VariableData { pub visibility: Visibility, pub docs: String, pub sig: Option, + pub attributes: Vec, } #[derive(Debug, RustcEncodable)] diff --git a/src/librustc_save_analysis/dump_visitor.rs b/src/librustc_save_analysis/dump_visitor.rs index 3c275e0996dac..61956e5cd9d66 100644 --- a/src/librustc_save_analysis/dump_visitor.rs +++ b/src/librustc_save_analysis/dump_visitor.rs @@ -327,6 +327,9 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> { scope: scope }.lower(self.tcx)); } + // With macros 2.0, we can legitimately get a ref to a macro, but + // we don't handle it properly for now (FIXME). + Def::Macro(..) => {} Def::Local(..) | Def::Upvar(..) | Def::SelfTy(..) | @@ -336,7 +339,6 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> { Def::AssociatedTy(..) | Def::AssociatedConst(..) | Def::PrimTy(_) | - Def::Macro(..) | Def::Err => { span_bug!(span, "process_def_kind for unexpected item: {:?}", @@ -373,6 +375,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> { visibility: Visibility::Inherited, docs: String::new(), sig: None, + attributes: vec![], }.lower(self.tcx)); } } @@ -448,6 +451,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> { visibility: vis, docs: docs_for_attrs(attrs), sig: method_data.sig, + attributes: attrs.to_vec(), }.lower(self.tcx)); } @@ -519,6 +523,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> { parent: None, docs: String::new(), sig: None, + attributes: vec![], }.lower(self.tcx)); } } @@ -592,6 +597,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> { visibility: vis, docs: docs_for_attrs(attrs), sig: None, + attributes: attrs.to_vec(), }.lower(self.tcx)); } @@ -636,6 +642,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> { visibility: From::from(&item.vis), docs: docs_for_attrs(&item.attrs), sig: self.save_ctxt.sig_base(item), + attributes: item.attrs.clone(), }.lower(self.tcx)); } @@ -701,6 +708,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> { parent: Some(make_def_id(item.id, &self.tcx.hir)), docs: docs_for_attrs(&variant.node.attrs), sig: sig, + attributes: variant.node.attrs.clone(), }.lower(self.tcx)); } } @@ -727,6 +735,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> { parent: Some(make_def_id(item.id, &self.tcx.hir)), docs: docs_for_attrs(&variant.node.attrs), sig: sig, + attributes: variant.node.attrs.clone(), }.lower(self.tcx)); } } @@ -798,6 +807,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> { visibility: From::from(&item.vis), docs: docs_for_attrs(&item.attrs), sig: self.save_ctxt.sig_base(item), + attributes: item.attrs.clone(), }.lower(self.tcx)); } @@ -1064,6 +1074,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> { visibility: Visibility::Inherited, docs: String::new(), sig: None, + attributes: vec![], }.lower(self.tcx)); } } @@ -1305,6 +1316,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump +'ll> Visitor<'l> for DumpVisitor<'l, 'tcx, 'll, parent: None, docs: docs_for_attrs(&item.attrs), sig: Some(self.save_ctxt.sig_base(item)), + attributes: item.attrs.clone(), }.lower(self.tcx)); } @@ -1527,6 +1539,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump +'ll> Visitor<'l> for DumpVisitor<'l, 'tcx, 'll, visibility: Visibility::Inherited, docs: String::new(), sig: None, + attributes: vec![], }.lower(self.tcx)); } } diff --git a/src/librustc_save_analysis/external_data.rs b/src/librustc_save_analysis/external_data.rs index fccb56e88b3de..41658dc5b1b48 100644 --- a/src/librustc_save_analysis/external_data.rs +++ b/src/librustc_save_analysis/external_data.rs @@ -11,8 +11,10 @@ use rustc::hir::def_id::{CrateNum, DefId, DefIndex}; use rustc::hir::map::Map; use rustc::ty::TyCtxt; -use syntax::ast::NodeId; +use syntax::ast::{self, NodeId}; use syntax::codemap::CodeMap; +use syntax::print::pprust; +use syntax::symbol::Symbol; use syntax_pos::Span; use data::{self, Visibility, SigElement}; @@ -64,6 +66,39 @@ impl SpanData { } } +/// Represent an arbitrary attribute on a code element +#[derive(Clone, Debug, RustcEncodable)] +pub struct Attribute { + value: String, + span: SpanData, +} + +impl Lower for Vec { + type Target = Vec; + + fn lower(self, tcx: TyCtxt) -> Vec { + let doc = Symbol::intern("doc"); + self.into_iter() + // Only retain real attributes. Doc comments are lowered separately. + .filter(|attr| attr.name() != doc) + .map(|mut attr| { + // Remove the surrounding '#[..]' or '#![..]' of the pretty printed + // attribute. First normalize all inner attribute (#![..]) to outer + // ones (#[..]), then remove the two leading and the one trailing character. + attr.style = ast::AttrStyle::Outer; + let value = pprust::attribute_to_string(&attr); + // This str slicing works correctly, because the leading and trailing characters + // are in the ASCII range and thus exactly one byte each. + let value = value[2..value.len()-1].to_string(); + + Attribute { + value: value, + span: SpanData::from_span(attr.span, tcx.sess.codemap()), + } + }).collect() + } +} + #[derive(Debug, RustcEncodable)] pub struct CratePreludeData { pub crate_name: String, @@ -98,6 +133,7 @@ pub struct EnumData { pub visibility: Visibility, pub docs: String, pub sig: Signature, + pub attributes: Vec, } impl Lower for data::EnumData { @@ -115,6 +151,7 @@ impl Lower for data::EnumData { visibility: self.visibility, docs: self.docs, sig: self.sig.lower(tcx), + attributes: self.attributes.lower(tcx), } } } @@ -179,6 +216,7 @@ pub struct FunctionData { pub parent: Option, pub docs: String, pub sig: Signature, + pub attributes: Vec, } impl Lower for data::FunctionData { @@ -197,6 +235,7 @@ impl Lower for data::FunctionData { parent: self.parent, docs: self.docs, sig: self.sig.lower(tcx), + attributes: self.attributes.lower(tcx), } } } @@ -346,6 +385,7 @@ pub struct MethodData { pub parent: Option, pub docs: String, pub sig: Signature, + pub attributes: Vec, } impl Lower for data::MethodData { @@ -364,6 +404,7 @@ impl Lower for data::MethodData { parent: self.parent, docs: self.docs, sig: self.sig.lower(tcx), + attributes: self.attributes.lower(tcx), } } } @@ -381,6 +422,7 @@ pub struct ModData { pub visibility: Visibility, pub docs: String, pub sig: Signature, + pub attributes: Vec, } impl Lower for data::ModData { @@ -398,6 +440,7 @@ impl Lower for data::ModData { visibility: self.visibility, docs: self.docs, sig: self.sig.lower(tcx), + attributes: self.attributes.lower(tcx), } } } @@ -437,6 +480,7 @@ pub struct StructData { pub visibility: Visibility, pub docs: String, pub sig: Signature, + pub attributes: Vec, } impl Lower for data::StructData { @@ -455,6 +499,7 @@ impl Lower for data::StructData { visibility: self.visibility, docs: self.docs, sig: self.sig.lower(tcx), + attributes: self.attributes.lower(tcx), } } } @@ -471,6 +516,7 @@ pub struct StructVariantData { pub parent: Option, pub docs: String, pub sig: Signature, + pub attributes: Vec, } impl Lower for data::StructVariantData { @@ -488,6 +534,7 @@ impl Lower for data::StructVariantData { parent: self.parent, docs: self.docs, sig: self.sig.lower(tcx), + attributes: self.attributes.lower(tcx), } } } @@ -504,6 +551,7 @@ pub struct TraitData { pub visibility: Visibility, pub docs: String, pub sig: Signature, + pub attributes: Vec, } impl Lower for data::TraitData { @@ -521,6 +569,7 @@ impl Lower for data::TraitData { visibility: self.visibility, docs: self.docs, sig: self.sig.lower(tcx), + attributes: self.attributes.lower(tcx), } } } @@ -537,6 +586,7 @@ pub struct TupleVariantData { pub parent: Option, pub docs: String, pub sig: Signature, + pub attributes: Vec, } impl Lower for data::TupleVariantData { @@ -554,6 +604,7 @@ impl Lower for data::TupleVariantData { parent: self.parent, docs: self.docs, sig: self.sig.lower(tcx), + attributes: self.attributes.lower(tcx), } } } @@ -570,6 +621,7 @@ pub struct TypeDefData { pub parent: Option, pub docs: String, pub sig: Option, + pub attributes: Vec, } impl Lower for data::TypeDefData { @@ -586,6 +638,7 @@ impl Lower for data::TypeDefData { parent: self.parent, docs: self.docs, sig: self.sig.map(|s| s.lower(tcx)), + attributes: self.attributes.lower(tcx), } } } @@ -675,6 +728,7 @@ pub struct VariableData { pub visibility: Visibility, pub docs: String, pub sig: Option, + pub attributes: Vec, } impl Lower for data::VariableData { @@ -694,6 +748,7 @@ impl Lower for data::VariableData { visibility: self.visibility, docs: self.docs, sig: self.sig.map(|s| s.lower(tcx)), + attributes: self.attributes.lower(tcx), } } } diff --git a/src/librustc_save_analysis/json_dumper.rs b/src/librustc_save_analysis/json_dumper.rs index 09752994290c9..1b72489f83c67 100644 --- a/src/librustc_save_analysis/json_dumper.rs +++ b/src/librustc_save_analysis/json_dumper.rs @@ -87,6 +87,7 @@ impl<'b, W: Write + 'b> Dump for JsonDumper<'b, W> { decl_id: None, docs: data.docs, sig: Some(From::from(data.sig)), + attributes: data.attributes, }; if def.span.file_name != def.value { // If the module is an out-of-line defintion, then we'll make the @@ -232,6 +233,7 @@ struct Def { decl_id: Option, docs: String, sig: Option, + attributes: Vec, } #[derive(Debug, RustcEncodable)] @@ -274,6 +276,7 @@ impl From for Def { decl_id: None, docs: data.docs, sig: Some(From::from(data.sig)), + attributes: data.attributes, } } } @@ -291,6 +294,7 @@ impl From for Def { decl_id: None, docs: data.docs, sig: Some(From::from(data.sig)), + attributes: data.attributes, } } } @@ -307,6 +311,7 @@ impl From for Def { decl_id: None, docs: data.docs, sig: Some(From::from(data.sig)), + attributes: data.attributes, } } } @@ -323,6 +328,7 @@ impl From for Def { decl_id: None, docs: data.docs, sig: Some(From::from(data.sig)), + attributes: data.attributes, } } } @@ -339,6 +345,7 @@ impl From for Def { decl_id: None, docs: data.docs, sig: Some(From::from(data.sig)), + attributes: data.attributes, } } } @@ -355,6 +362,7 @@ impl From for Def { decl_id: None, docs: data.docs, sig: Some(From::from(data.sig)), + attributes: data.attributes, } } } @@ -371,6 +379,7 @@ impl From for Def { decl_id: data.decl_id.map(|id| From::from(id)), docs: data.docs, sig: Some(From::from(data.sig)), + attributes: data.attributes, } } } @@ -387,6 +396,7 @@ impl From for Def { decl_id: None, docs: data.docs, sig: None, + attributes: vec![], } } } @@ -403,6 +413,7 @@ impl From for Def { decl_id: None, docs: String::new(), sig: data.sig.map(|s| From::from(s)), + attributes: data.attributes, } } } @@ -424,6 +435,7 @@ impl From for Def { decl_id: None, docs: data.docs, sig: None, + attributes: data.attributes, } } } diff --git a/src/librustc_save_analysis/lib.rs b/src/librustc_save_analysis/lib.rs index b1e435dcc751c..2153b30b62cd5 100644 --- a/src/librustc_save_analysis/lib.rs +++ b/src/librustc_save_analysis/lib.rs @@ -136,6 +136,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> { parent: None, docs: docs_for_attrs(&item.attrs), sig: self.sig_base(item), + attributes: item.attrs.clone(), })) } ast::ItemKind::Static(ref typ, mt, ref expr) => { @@ -164,6 +165,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> { visibility: From::from(&item.vis), docs: docs_for_attrs(&item.attrs), sig: Some(self.sig_base(item)), + attributes: item.attrs.clone(), })) } ast::ItemKind::Const(ref typ, ref expr) => { @@ -183,6 +185,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> { visibility: From::from(&item.vis), docs: docs_for_attrs(&item.attrs), sig: Some(self.sig_base(item)), + attributes: item.attrs.clone(), })) } ast::ItemKind::Mod(ref m) => { @@ -205,6 +208,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> { visibility: From::from(&item.vis), docs: docs_for_attrs(&item.attrs), sig: self.sig_base(item), + attributes: item.attrs.clone(), })) } ast::ItemKind::Enum(ref def, _) => { @@ -228,6 +232,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> { visibility: From::from(&item.vis), docs: docs_for_attrs(&item.attrs), sig: self.sig_base(item), + attributes: item.attrs.clone(), })) } ast::ItemKind::Impl(.., ref trait_ref, ref typ, _) => { @@ -315,6 +320,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> { visibility: From::from(&field.vis), docs: docs_for_attrs(&field.attrs), sig: Some(sig), + attributes: field.attrs.clone(), }) } else { None @@ -327,7 +333,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> { name: ast::Name, span: Span) -> Option { // The qualname for a method is the trait name or name of the struct in an impl in // which the method is declared in, followed by the method's name. - let (qualname, parent_scope, decl_id, vis, docs) = + let (qualname, parent_scope, decl_id, vis, docs, attributes) = match self.tcx.impl_of_method(self.tcx.hir.local_def_id(id)) { Some(impl_id) => match self.tcx.hir.get_if_local(impl_id) { Some(Node::NodeItem(item)) => { @@ -349,7 +355,8 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> { (result, trait_id, decl_id, From::from(&item.vis), - docs_for_attrs(&item.attrs)) + docs_for_attrs(&item.attrs), + item.attrs.to_vec()) } _ => { span_bug!(span, @@ -374,7 +381,8 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> { (format!("::{}", self.tcx.item_path_str(def_id)), Some(def_id), None, From::from(&item.vis), - docs_for_attrs(&item.attrs)) + docs_for_attrs(&item.attrs), + item.attrs.to_vec()) } r => { span_bug!(span, @@ -423,6 +431,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> { parent: parent_scope, docs: docs, sig: sig, + attributes: attributes, }) } diff --git a/src/librustc_trans/back/link.rs b/src/librustc_trans/back/link.rs index b58f96033bf5b..a1703b1c155eb 100644 --- a/src/librustc_trans/back/link.rs +++ b/src/librustc_trans/back/link.rs @@ -752,8 +752,54 @@ fn link_natively(sess: &Session, sess.abort_if_errors(); // Invoke the system linker + // + // Note that there's a terribly awful hack that really shouldn't be present + // in any compiler. Here an environment variable is supported to + // automatically retry the linker invocation if the linker looks like it + // segfaulted. + // + // Gee that seems odd, normally segfaults are things we want to know about! + // Unfortunately though in rust-lang/rust#38878 we're experiencing the + // linker segfaulting on Travis quite a bit which is causing quite a bit of + // pain to land PRs when they spuriously fail due to a segfault. + // + // The issue #38878 has some more debugging information on it as well, but + // this unfortunately looks like it's just a race condition in OSX's linker + // with some thread pool working in the background. It seems that no one + // currently knows a fix for this so in the meantime we're left with this... info!("{:?}", &cmd); - let prog = time(sess.time_passes(), "running linker", || cmd.output()); + let retry_on_segfault = env::var("RUSTC_RETRY_LINKER_ON_SEGFAULT").is_ok(); + let mut prog; + let mut i = 0; + loop { + i += 1; + prog = time(sess.time_passes(), "running linker", || cmd.output()); + if !retry_on_segfault || i > 3 { + break + } + let output = match prog { + Ok(ref output) => output, + Err(_) => break, + }; + if output.status.success() { + break + } + let mut out = output.stderr.clone(); + out.extend(&output.stdout); + let out = String::from_utf8_lossy(&out); + let msg = "clang: error: unable to execute command: \ + Segmentation fault: 11"; + if !out.contains(msg) { + break + } + + sess.struct_warn("looks like the linker segfaulted when we tried to \ + call it, automatically retrying again") + .note(&format!("{:?}", cmd)) + .note(&out) + .emit(); + } + match prog { Ok(prog) => { fn escape_string(s: &[u8]) -> String { diff --git a/src/librustc_trans/mir/analyze.rs b/src/librustc_trans/mir/analyze.rs index 2c3b479c7dd0f..6f0f9cabef345 100644 --- a/src/librustc_trans/mir/analyze.rs +++ b/src/librustc_trans/mir/analyze.rs @@ -18,7 +18,6 @@ use rustc::mir::visit::{Visitor, LvalueContext}; use rustc::mir::traversal; use common; use super::MirContext; -use super::rvalue; pub fn lvalue_locals<'a, 'tcx>(mircx: &MirContext<'a, 'tcx>) -> BitVector { let mir = mircx.mir; @@ -92,7 +91,7 @@ impl<'mir, 'a, 'tcx> Visitor<'tcx> for LocalAnalyzer<'mir, 'a, 'tcx> { if let mir::Lvalue::Local(index) = *lvalue { self.mark_assigned(index); - if !rvalue::rvalue_creates_operand(rvalue) { + if !self.cx.rvalue_creates_operand(rvalue) { self.mark_as_lvalue(index); } } else { diff --git a/src/librustc_trans/mir/mod.rs b/src/librustc_trans/mir/mod.rs index 6419f41f86b6d..3bcb6e78dce9f 100644 --- a/src/librustc_trans/mir/mod.rs +++ b/src/librustc_trans/mir/mod.rs @@ -11,20 +11,18 @@ use libc::c_uint; use llvm::{self, ValueRef, BasicBlockRef}; use llvm::debuginfo::DIScope; -use rustc::ty::{self, layout}; +use rustc::ty::{self, layout, Ty, TypeFoldable}; use rustc::mir::{self, Mir}; use rustc::mir::tcx::LvalueTy; use rustc::ty::subst::Substs; use rustc::infer::TransNormalize; -use rustc::ty::TypeFoldable; use session::config::FullDebugInfo; use base; use builder::Builder; -use common::{self, CrateContext, C_null, Funclet}; +use common::{self, CrateContext, Funclet}; use debuginfo::{self, declare_local, VariableAccess, VariableKind, FunctionDebugContext}; use monomorphize::{self, Instance}; use abi::FnType; -use type_of; use syntax_pos::{DUMMY_SP, NO_EXPANSION, COMMAND_LINE_EXPN, BytePos, Span}; use syntax::symbol::keywords; @@ -176,23 +174,12 @@ enum LocalRef<'tcx> { impl<'tcx> LocalRef<'tcx> { fn new_operand<'a>(ccx: &CrateContext<'a, 'tcx>, - ty: ty::Ty<'tcx>) -> LocalRef<'tcx> { + ty: Ty<'tcx>) -> LocalRef<'tcx> { if common::type_is_zero_size(ccx, ty) { // Zero-size temporaries aren't always initialized, which // doesn't matter because they don't contain data, but // we need something in the operand. - let llty = type_of::type_of(ccx, ty); - let val = if common::type_is_imm_pair(ccx, ty) { - let fields = llty.field_types(); - OperandValue::Pair(C_null(fields[0]), C_null(fields[1])) - } else { - OperandValue::Immediate(C_null(llty)) - }; - let op = OperandRef { - val: val, - ty: ty - }; - LocalRef::Operand(Some(op)) + LocalRef::Operand(Some(OperandRef::new_zst(ccx, ty))) } else { LocalRef::Operand(None) } @@ -212,15 +199,17 @@ pub fn trans_mir<'a, 'tcx: 'a>( debug!("fn_ty: {:?}", fn_ty); let debug_context = debuginfo::create_function_debug_context(ccx, instance, sig, llfn, mir); - let bcx = Builder::new_block(ccx, llfn, "entry-block"); + let bcx = Builder::new_block(ccx, llfn, "start"); let cleanup_kinds = analyze::cleanup_kinds(&mir); - // Allocate a `Block` for every basic block + // Allocate a `Block` for every basic block, except + // the start block, if nothing loops back to it. + let reentrant_start_block = !mir.predecessors_for(mir::START_BLOCK).is_empty(); let block_bcxs: IndexVec = mir.basic_blocks().indices().map(|bb| { - if bb == mir::START_BLOCK { - bcx.build_sibling_block("start").llbb() + if bb == mir::START_BLOCK && !reentrant_start_block { + bcx.llbb() } else { bcx.build_sibling_block(&format!("{:?}", bb)).llbb() } @@ -307,9 +296,10 @@ pub fn trans_mir<'a, 'tcx: 'a>( .collect() }; - // Branch to the START block - let start_bcx = mircx.blocks[mir::START_BLOCK]; - bcx.br(start_bcx); + // Branch to the START block, if it's not the entry block. + if reentrant_start_block { + bcx.br(mircx.blocks[mir::START_BLOCK]); + } // Up until here, IR instructions for this function have explicitly not been annotated with // source code location, so we don't step into call setup code. From here on, source location diff --git a/src/librustc_trans/mir/operand.rs b/src/librustc_trans/mir/operand.rs index cb77fcbbff85d..df6667afd442e 100644 --- a/src/librustc_trans/mir/operand.rs +++ b/src/librustc_trans/mir/operand.rs @@ -15,7 +15,7 @@ use rustc::mir; use rustc_data_structures::indexed_vec::Idx; use base; -use common; +use common::{self, CrateContext, C_null}; use builder::Builder; use value::Value; use type_of; @@ -77,6 +77,22 @@ impl<'tcx> fmt::Debug for OperandRef<'tcx> { } impl<'a, 'tcx> OperandRef<'tcx> { + pub fn new_zst(ccx: &CrateContext<'a, 'tcx>, + ty: Ty<'tcx>) -> OperandRef<'tcx> { + assert!(common::type_is_zero_size(ccx, ty)); + let llty = type_of::type_of(ccx, ty); + let val = if common::type_is_imm_pair(ccx, ty) { + let fields = llty.field_types(); + OperandValue::Pair(C_null(fields[0]), C_null(fields[1])) + } else { + OperandValue::Immediate(C_null(llty)) + }; + OperandRef { + val: val, + ty: ty + } + } + /// Asserts that this operand refers to a scalar and returns /// a reference to its value. pub fn immediate(self) -> ValueRef { diff --git a/src/librustc_trans/mir/rvalue.rs b/src/librustc_trans/mir/rvalue.rs index b6af4e52e820b..4328f2516970e 100644 --- a/src/librustc_trans/mir/rvalue.rs +++ b/src/librustc_trans/mir/rvalue.rs @@ -157,7 +157,7 @@ impl<'a, 'tcx> MirContext<'a, 'tcx> { } _ => { - assert!(rvalue_creates_operand(rvalue)); + assert!(self.rvalue_creates_operand(rvalue)); let (bcx, temp) = self.trans_rvalue_operand(bcx, rvalue); self.store_operand(&bcx, dest.llval, dest.alignment.to_align(), temp); bcx @@ -170,7 +170,7 @@ impl<'a, 'tcx> MirContext<'a, 'tcx> { rvalue: &mir::Rvalue<'tcx>) -> (Builder<'a, 'tcx>, OperandRef<'tcx>) { - assert!(rvalue_creates_operand(rvalue), "cannot trans {:?} to operand", rvalue); + assert!(self.rvalue_creates_operand(rvalue), "cannot trans {:?} to operand", rvalue); match *rvalue { mir::Rvalue::Cast(ref kind, ref source, cast_ty) => { @@ -478,8 +478,10 @@ impl<'a, 'tcx> MirContext<'a, 'tcx> { } mir::Rvalue::Repeat(..) | mir::Rvalue::Aggregate(..) => { - bug!("cannot generate operand from rvalue {:?}", rvalue); - + // According to `rvalue_creates_operand`, only ZST + // aggregate rvalues are allowed to be operands. + let ty = rvalue.ty(self.mir, self.ccx.tcx()); + (bcx, OperandRef::new_zst(self.ccx, self.monomorphize(&ty))) } } } @@ -662,26 +664,29 @@ impl<'a, 'tcx> MirContext<'a, 'tcx> { OperandValue::Pair(val, of) } -} -pub fn rvalue_creates_operand(rvalue: &mir::Rvalue) -> bool { - match *rvalue { - mir::Rvalue::Ref(..) | - mir::Rvalue::Len(..) | - mir::Rvalue::Cast(..) | // (*) - mir::Rvalue::BinaryOp(..) | - mir::Rvalue::CheckedBinaryOp(..) | - mir::Rvalue::UnaryOp(..) | - mir::Rvalue::Discriminant(..) | - mir::Rvalue::Box(..) | - mir::Rvalue::Use(..) => - true, - mir::Rvalue::Repeat(..) | - mir::Rvalue::Aggregate(..) => - false, - } + pub fn rvalue_creates_operand(&self, rvalue: &mir::Rvalue<'tcx>) -> bool { + match *rvalue { + mir::Rvalue::Ref(..) | + mir::Rvalue::Len(..) | + mir::Rvalue::Cast(..) | // (*) + mir::Rvalue::BinaryOp(..) | + mir::Rvalue::CheckedBinaryOp(..) | + mir::Rvalue::UnaryOp(..) | + mir::Rvalue::Discriminant(..) | + mir::Rvalue::Box(..) | + mir::Rvalue::Use(..) => + true, + mir::Rvalue::Repeat(..) | + mir::Rvalue::Aggregate(..) => { + let ty = rvalue.ty(self.mir, self.ccx.tcx()); + let ty = self.monomorphize(&ty); + common::type_is_zero_size(self.ccx, ty) + } + } - // (*) this is only true if the type is suitable + // (*) this is only true if the type is suitable + } } #[derive(Copy, Clone)] diff --git a/src/librustdoc/html/static/rustdoc.css b/src/librustdoc/html/static/rustdoc.css index 6bd9cf6620b0e..4047f6045bcc5 100644 --- a/src/librustdoc/html/static/rustdoc.css +++ b/src/librustdoc/html/static/rustdoc.css @@ -377,13 +377,13 @@ h4 > code, h3 > code, .invisible > code { .content .method .where, .content .fn .where, .content .where.fmt-newline { - display: block; + display: block; } /* Bit of whitespace to indent it */ .content .method .where::before, .content .fn .where::before, .content .where.fmt-newline::before { - content: ' '; + content: ' '; } .content .methods > div { margin-left: 40px; } @@ -506,17 +506,15 @@ body.blur > :not(#help) { } #help > div { flex: 0 0 auto; - background: #e9e9e9; box-shadow: 0 0 6px rgba(0,0,0,.2); width: 550px; height: 330px; - border: 1px solid #bfbfbf; + border: 1px solid; } #help dt { float: left; border-radius: 4px; - border: 1px solid #bfbfbf; - background: #fff; + border: 1px solid; width: 23px; text-align: center; clear: left; @@ -567,7 +565,6 @@ body.blur > :not(#help) { .since { font-weight: normal; font-size: initial; - color: grey; position: absolute; right: 0; top: 0; @@ -589,24 +586,12 @@ td.summary-column { padding-right: 0px; } -.line-numbers :target { background-color: transparent; } - -/* Code highlighting */ -pre.rust .kw { color: #8959A8; } -pre.rust .kw-2, pre.rust .prelude-ty { color: #4271AE; } -pre.rust .number, pre.rust .string { color: #718C00; } -pre.rust .self, pre.rust .bool-val, pre.rust .prelude-val, -pre.rust .attribute, pre.rust .attribute .ident { color: #C82829; } -pre.rust .macro, pre.rust .macro-nonterminal { color: #3E999F; } -pre.rust .lifetime { color: #B76514; } pre.rust .question-mark { - color: #ff9011; font-weight: bold; } pre.rust { position: relative; } a.test-arrow { - background-color: rgba(78, 139, 202, 0.2); display: inline-block; position: absolute; padding: 5px 10px 5px 10px; @@ -616,7 +601,6 @@ a.test-arrow { right: 5px; } a.test-arrow:hover{ - background-color: #4e8bca; text-decoration: none; } @@ -660,10 +644,6 @@ a.test-arrow:hover{ text-align: center; } -.toggle-label { - color: #999; -} - .ghost { display: none; } @@ -719,8 +699,7 @@ span.since { } :target > code { - background: #FDFFD3; - opacity: 1; + opacity: 1; } /* Media Queries */ @@ -793,4 +772,4 @@ span.since { nav.sub, .content .out-of-band, .collapse-toggle { display: none; } -} +} \ No newline at end of file diff --git a/src/librustdoc/html/static/styles/main.css b/src/librustdoc/html/static/styles/main.css index f1e81900d1eec..40561597e93e0 100644 --- a/src/librustdoc/html/static/styles/main.css +++ b/src/librustdoc/html/static/styles/main.css @@ -13,28 +13,36 @@ /* General structure and fonts */ body { - background-color: white; - color: black; + background-color: white; + color: black; } h1, h2, h3:not(.impl):not(.method):not(.type):not(.tymethod), h4:not(.method):not(.type):not(.tymethod) { - color: black; + color: black; } h1.fqn { - border-bottom-color: #D5D5D5; + border-bottom-color: #D5D5D5; } h2, h3:not(.impl):not(.method):not(.type):not(.tymethod), h4:not(.method):not(.type):not(.tymethod) { - border-bottom-color: #DDDDDD; + border-bottom-color: #DDDDDD; } .in-band { - background-color: white; + background-color: white; } .docblock code, .docblock-short code { - background-color: #F5F5F5; + background-color: #F5F5F5; } pre { - background-color: #F5F5F5; + background-color: #F5F5F5; +} + +.sidebar { + background-color: #F1F1F1; +} + +.sidebar .current { + background-color: #fff; } .sidebar { @@ -46,24 +54,24 @@ pre { } .sidebar .location { - border-color: #000; - background-color: #fff; - color: #333; + border-color: #000; + background-color: #fff; + color: #333; } .block a:hover { - background: #F5F5F5; + background: #F5F5F5; } .line-numbers span { color: #c67e2d; } .line-numbers .line-highlighted { - background-color: #f6fdb0 !important; + background-color: #f6fdb0 !important; } :target { background: #FDFFD3; } .content .highlighted { - color: #000 !important; - background-color: #ccc; + color: #000 !important; + background-color: #ccc; } .content .highlighted a, .content .highlighted span { color: #000 !important; } .content .highlighted.trait { background-color: #fece7e; } @@ -76,21 +84,21 @@ pre { .content .highlighted.type { background-color: #c6afb3; } .docblock h1, .docblock h2, .docblock h3, .docblock h4, .docblock h5 { - border-bottom-color: #DDD; + border-bottom-color: #DDD; } .docblock table { - border-color: #ddd; + border-color: #ddd; } .docblock table td { - border-top-color: #ddd; - border-bottom-color: #ddd; + border-top-color: #ddd; + border-bottom-color: #ddd; } .docblock table th { - border-top-color: #ddd; - border-bottom-color: #ddd; + border-top-color: #ddd; + border-bottom-color: #ddd; } .content span.primitive, .content a.primitive, .block a.current.primitive { color: #39a7bf; } @@ -105,34 +113,78 @@ pre.rust .comment { color: #8E908C; } pre.rust .doccomment { color: #4D4D4C; } nav { - border-bottom-color: #e0e0e0; + border-bottom-color: #e0e0e0; } nav.main .current { - border-top-color: #000; - border-bottom-color: #000; + border-top-color: #000; + border-bottom-color: #000; } nav.main .separator { - border: 1px solid #000; + border: 1px solid #000; } a { - color: #000; + color: #000; } .docblock a, .docblock-short a, .stability a { - color: #3873AD; + color: #3873AD; } a.test-arrow { - color: #f5f5f5; + color: #f5f5f5; } .content span.trait, .content a.trait, .block a.current.trait { color: #7c5af3; } .search-input { - color: #555; - box-shadow: 0 0 0 1px #e0e0e0, 0 0 0 2px transparent; - background-color: white; + color: #555; + box-shadow: 0 0 0 1px #e0e0e0, 0 0 0 2px transparent; + background-color: white; } .stab.unstable { background: #FFF5D6; border-color: #FFC600; } .stab.deprecated { background: #F3DFFF; border-color: #7F0087; } + +#help > div { + background: #e9e9e9; + border-color: #bfbfbf;; +} + +#help dt { + border-color: #bfbfbf; + background: #fff; +} + +.since { + color: grey; +} + +.line-numbers :target { background-color: transparent; } + +/* Code highlighting */ +pre.rust .kw { color: #8959A8; } +pre.rust .kw-2, pre.rust .prelude-ty { color: #4271AE; } +pre.rust .number, pre.rust .string { color: #718C00; } +pre.rust .self, pre.rust .bool-val, pre.rust .prelude-val, +pre.rust .attribute, pre.rust .attribute .ident { color: #C82829; } +pre.rust .macro, pre.rust .macro-nonterminal { color: #3E999F; } +pre.rust .lifetime { color: #B76514; } +pre.rust .question-mark { + color: #ff9011; +} + +a.test-arrow { + background-color: rgba(78, 139, 202, 0.2); +} + +a.test-arrow:hover{ + background-color: #4e8bca; +} + +.toggle-label { + color: #999; +} + +:target > code { + background: #FDFFD3; +} \ No newline at end of file diff --git a/src/libstd/ffi/c_str.rs b/src/libstd/ffi/c_str.rs index bc678fcb8385b..bfb0aa6e1a122 100644 --- a/src/libstd/ffi/c_str.rs +++ b/src/libstd/ffi/c_str.rs @@ -154,7 +154,28 @@ pub struct NulError(usize, Vec); /// byte was found too early in the slice provided or one wasn't found at all. #[derive(Clone, PartialEq, Eq, Debug)] #[stable(feature = "cstr_from_bytes", since = "1.10.0")] -pub struct FromBytesWithNulError { _a: () } +pub struct FromBytesWithNulError { + kind: FromBytesWithNulErrorKind, +} + +#[derive(Clone, PartialEq, Eq, Debug)] +enum FromBytesWithNulErrorKind { + InteriorNul(usize), + NotNulTerminated, +} + +impl FromBytesWithNulError { + fn interior_nul(pos: usize) -> FromBytesWithNulError { + FromBytesWithNulError { + kind: FromBytesWithNulErrorKind::InteriorNul(pos), + } + } + fn not_nul_terminated() -> FromBytesWithNulError { + FromBytesWithNulError { + kind: FromBytesWithNulErrorKind::NotNulTerminated, + } + } +} /// An error returned from `CString::into_string` to indicate that a UTF-8 error /// was encountered during the conversion. @@ -458,14 +479,23 @@ impl From for io::Error { #[stable(feature = "frombyteswithnulerror_impls", since = "1.17.0")] impl Error for FromBytesWithNulError { fn description(&self) -> &str { - "data provided is not null terminated or contains an interior nul byte" + match self.kind { + FromBytesWithNulErrorKind::InteriorNul(..) => + "data provided contains an interior nul byte", + FromBytesWithNulErrorKind::NotNulTerminated => + "data provided is not nul terminated", + } } } #[stable(feature = "frombyteswithnulerror_impls", since = "1.17.0")] impl fmt::Display for FromBytesWithNulError { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { - self.description().fmt(f) + f.write_str(self.description())?; + if let FromBytesWithNulErrorKind::InteriorNul(pos) = self.kind { + write!(f, " at byte pos {}", pos)?; + } + Ok(()) } } @@ -559,10 +589,14 @@ impl CStr { #[stable(feature = "cstr_from_bytes", since = "1.10.0")] pub fn from_bytes_with_nul(bytes: &[u8]) -> Result<&CStr, FromBytesWithNulError> { - if bytes.is_empty() || memchr::memchr(0, &bytes) != Some(bytes.len() - 1) { - Err(FromBytesWithNulError { _a: () }) + let nul_pos = memchr::memchr(0, bytes); + if let Some(nul_pos) = nul_pos { + if nul_pos + 1 != bytes.len() { + return Err(FromBytesWithNulError::interior_nul(nul_pos)); + } + Ok(unsafe { CStr::from_bytes_with_nul_unchecked(bytes) }) } else { - Ok(unsafe { Self::from_bytes_with_nul_unchecked(bytes) }) + Err(FromBytesWithNulError::not_nul_terminated()) } } diff --git a/src/libstd/ffi/os_str.rs b/src/libstd/ffi/os_str.rs index 7b8bf42e0a74a..41bdd9c51d458 100644 --- a/src/libstd/ffi/os_str.rs +++ b/src/libstd/ffi/os_str.rs @@ -205,6 +205,12 @@ impl OsString { self.inner.reserve_exact(additional) } + /// Shrinks the capacity of the `OsString` to match its length. + #[unstable(feature = "osstring_shrink_to_fit", issue = "40421")] + pub fn shrink_to_fit(&mut self) { + self.inner.shrink_to_fit() + } + /// Converts this `OsString` into a boxed `OsStr`. #[unstable(feature = "into_boxed_os_str", issue = "0")] pub fn into_boxed_os_str(self) -> Box { diff --git a/src/libstd/sys/redox/os_str.rs b/src/libstd/sys/redox/os_str.rs index 0f967863899cb..474d59eed83d1 100644 --- a/src/libstd/sys/redox/os_str.rs +++ b/src/libstd/sys/redox/os_str.rs @@ -83,6 +83,11 @@ impl Buf { self.inner.reserve_exact(additional) } + #[inline] + pub fn shrink_to_fit(&mut self) { + self.inner.shrink_to_fit() + } + pub fn as_slice(&self) -> &Slice { unsafe { mem::transmute(&*self.inner) } } diff --git a/src/libstd/sys/unix/os_str.rs b/src/libstd/sys/unix/os_str.rs index 938bcfc6d162e..c27599ec0206f 100644 --- a/src/libstd/sys/unix/os_str.rs +++ b/src/libstd/sys/unix/os_str.rs @@ -83,6 +83,11 @@ impl Buf { self.inner.reserve_exact(additional) } + #[inline] + pub fn shrink_to_fit(&mut self) { + self.inner.shrink_to_fit() + } + pub fn as_slice(&self) -> &Slice { unsafe { mem::transmute(&*self.inner) } } diff --git a/src/libstd/sys/windows/os_str.rs b/src/libstd/sys/windows/os_str.rs index 04e45dcf54963..b02b06e1ef2e1 100644 --- a/src/libstd/sys/windows/os_str.rs +++ b/src/libstd/sys/windows/os_str.rs @@ -89,6 +89,10 @@ impl Buf { self.inner.reserve_exact(additional) } + pub fn shrink_to_fit(&mut self) { + self.inner.shrink_to_fit() + } + #[inline] pub fn into_box(self) -> Box { unsafe { mem::transmute(self.inner.into_box()) } diff --git a/src/libstd/sys_common/gnu/libbacktrace.rs b/src/libstd/sys_common/gnu/libbacktrace.rs index 1ea5cca44c7e4..14c0e8699bc06 100644 --- a/src/libstd/sys_common/gnu/libbacktrace.rs +++ b/src/libstd/sys_common/gnu/libbacktrace.rs @@ -105,9 +105,6 @@ extern "C" fn(data: *mut libc::c_void, msg: *const libc::c_char, errnum: libc::c_int); enum backtrace_state {} -#[link(name = "backtrace", kind = "static")] -#[cfg(all(not(test), not(cargobuild)))] -extern {} extern { fn backtrace_create_state(filename: *const libc::c_char, diff --git a/src/libstd/sys_common/wtf8.rs b/src/libstd/sys_common/wtf8.rs index 1d61181a4ee0f..b486d4ffda3fd 100644 --- a/src/libstd/sys_common/wtf8.rs +++ b/src/libstd/sys_common/wtf8.rs @@ -236,6 +236,11 @@ impl Wtf8Buf { self.bytes.reserve_exact(additional) } + #[inline] + pub fn shrink_to_fit(&mut self) { + self.bytes.shrink_to_fit() + } + /// Returns the number of bytes that this string buffer can hold without reallocating. #[inline] pub fn capacity(&self) -> usize { diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs index f1662284a8820..f7dcd00e40976 100644 --- a/src/libsyntax/ext/expand.rs +++ b/src/libsyntax/ext/expand.rs @@ -464,8 +464,20 @@ impl<'a, 'b> MacroExpander<'a, 'b> { let attr_toks = stream_for_attr_args(&attr, &self.cx.parse_sess); let item_toks = stream_for_item(&item, &self.cx.parse_sess); + let span = Span { + expn_id: self.cx.codemap().record_expansion(ExpnInfo { + call_site: attr.span, + callee: NameAndSpan { + format: MacroAttribute(name), + span: None, + allow_internal_unstable: false, + }, + }), + ..attr.span + }; + let tok_result = mac.expand(self.cx, attr.span, attr_toks, item_toks); - self.parse_expansion(tok_result, kind, name, attr.span) + self.parse_expansion(tok_result, kind, name, span) } SyntaxExtension::ProcMacroDerive(..) | SyntaxExtension::BuiltinDerive(..) => { self.cx.span_err(attr.span, &format!("`{}` is a derive mode", name)); diff --git a/src/test/codegen/naked-functions.rs b/src/test/codegen/naked-functions.rs index 9de74f72005e3..9883ca6b35d04 100644 --- a/src/test/codegen/naked-functions.rs +++ b/src/test/codegen/naked-functions.rs @@ -20,7 +20,8 @@ #[no_mangle] #[naked] fn naked_empty() { - // CHECK: ret void + // CHECK-NEXT: {{.+}}: + // CHECK-NEXT: ret void } // CHECK: Function Attrs: naked uwtable @@ -28,9 +29,10 @@ fn naked_empty() { #[naked] // CHECK-NEXT: define internal void @naked_with_args(i{{[0-9]+}}) fn naked_with_args(a: isize) { - // CHECK: %a = alloca i{{[0-9]+}} - // CHECK: ret void + // CHECK-NEXT: {{.+}}: + // CHECK-NEXT: %a = alloca i{{[0-9]+}} &a; // keep variable in an alloca + // CHECK: ret void } // CHECK: Function Attrs: naked uwtable @@ -38,7 +40,8 @@ fn naked_with_args(a: isize) { #[no_mangle] #[naked] fn naked_with_return() -> isize { - // CHECK: ret i{{[0-9]+}} 0 + // CHECK-NEXT: {{.+}}: + // CHECK-NEXT: ret i{{[0-9]+}} 0 0 } @@ -47,9 +50,10 @@ fn naked_with_return() -> isize { #[no_mangle] #[naked] fn naked_with_args_and_return(a: isize) -> isize { - // CHECK: %a = alloca i{{[0-9]+}} - // CHECK: ret i{{[0-9]+}} %{{[0-9]+}} + // CHECK-NEXT: {{.+}}: + // CHECK-NEXT: %a = alloca i{{[0-9]+}} &a; // keep variable in an alloca + // CHECK: ret i{{[0-9]+}} %{{[0-9]+}} a } @@ -58,14 +62,37 @@ fn naked_with_args_and_return(a: isize) -> isize { #[no_mangle] #[naked] fn naked_recursive() { - // CHECK: call void @naked_empty() + // CHECK-NEXT: {{.+}}: + // CHECK-NEXT: call void @naked_empty() + + // FIXME(#39685) Avoid one block per call. + // CHECK-NEXT: br label %bb1 + // CHECK: bb1: + naked_empty(); - // CHECK: %{{[0-9]+}} = call i{{[0-9]+}} @naked_with_return() + + // CHECK-NEXT: %{{[0-9]+}} = call i{{[0-9]+}} @naked_with_return() + + // FIXME(#39685) Avoid one block per call. + // CHECK-NEXT: br label %bb2 + // CHECK: bb2: + + // CHECK-NEXT: %{{[0-9]+}} = call i{{[0-9]+}} @naked_with_args_and_return(i{{[0-9]+}} %{{[0-9]+}}) + + // FIXME(#39685) Avoid one block per call. + // CHECK-NEXT: br label %bb3 + // CHECK: bb3: + + // CHECK-NEXT: call void @naked_with_args(i{{[0-9]+}} %{{[0-9]+}}) + + // FIXME(#39685) Avoid one block per call. + // CHECK-NEXT: br label %bb4 + // CHECK: bb4: + naked_with_args( - // CHECK: %{{[0-9]+}} = call i{{[0-9]+}} @naked_with_args_and_return(i{{[0-9]+}} %{{[0-9]+}}) naked_with_args_and_return( - // CHECK: call void @naked_with_args(i{{[0-9]+}} %{{[0-9]+}}) naked_with_return() ) ); + // CHECK-NEXT: ret void } diff --git a/src/test/debuginfo/c-style-enum.rs b/src/test/debuginfo/c-style-enum.rs index 2452c18f54347..900b0829530f3 100644 --- a/src/test/debuginfo/c-style-enum.rs +++ b/src/test/debuginfo/c-style-enum.rs @@ -15,31 +15,38 @@ // === GDB TESTS =================================================================================== -// gdb-command:print 'c_style_enum::SINGLE_VARIANT' +// gdbg-command:print 'c_style_enum::SINGLE_VARIANT' +// gdbr-command:print c_style_enum::SINGLE_VARIANT // gdbg-check:$1 = TheOnlyVariant // gdbr-check:$1 = c_style_enum::SingleVariant::TheOnlyVariant -// gdb-command:print 'c_style_enum::AUTO_ONE' +// gdbg-command:print 'c_style_enum::AUTO_ONE' +// gdbr-command:print c_style_enum::AUTO_ONE // gdbg-check:$2 = One // gdbr-check:$2 = c_style_enum::AutoDiscriminant::One -// gdb-command:print 'c_style_enum::AUTO_TWO' +// gdbg-command:print 'c_style_enum::AUTO_TWO' +// gdbr-command:print c_style_enum::AUTO_TWO // gdbg-check:$3 = One // gdbr-check:$3 = c_style_enum::AutoDiscriminant::One -// gdb-command:print 'c_style_enum::AUTO_THREE' +// gdbg-command:print 'c_style_enum::AUTO_THREE' +// gdbr-command:print c_style_enum::AUTO_THREE // gdbg-check:$4 = One // gdbr-check:$4 = c_style_enum::AutoDiscriminant::One -// gdb-command:print 'c_style_enum::MANUAL_ONE' +// gdbg-command:print 'c_style_enum::MANUAL_ONE' +// gdbr-command:print c_style_enum::MANUAL_ONE // gdbg-check:$5 = OneHundred // gdbr-check:$5 = c_style_enum::ManualDiscriminant::OneHundred -// gdb-command:print 'c_style_enum::MANUAL_TWO' +// gdbg-command:print 'c_style_enum::MANUAL_TWO' +// gdbr-command:print c_style_enum::MANUAL_TWO // gdbg-check:$6 = OneHundred // gdbr-check:$6 = c_style_enum::ManualDiscriminant::OneHundred -// gdb-command:print 'c_style_enum::MANUAL_THREE' +// gdbg-command:print 'c_style_enum::MANUAL_THREE' +// gdbr-command:print c_style_enum::MANUAL_THREE // gdbg-check:$7 = OneHundred // gdbr-check:$7 = c_style_enum::ManualDiscriminant::OneHundred diff --git a/src/test/debuginfo/limited-debuginfo.rs b/src/test/debuginfo/limited-debuginfo.rs index 3d21def3953b8..e8c3597b8c8dd 100644 --- a/src/test/debuginfo/limited-debuginfo.rs +++ b/src/test/debuginfo/limited-debuginfo.rs @@ -15,10 +15,14 @@ // Make sure functions have proper names // gdb-command:info functions -// gdb-check:[...]void[...]main([...]); -// gdb-check:[...]void[...]some_function([...]); -// gdb-check:[...]void[...]some_other_function([...]); -// gdb-check:[...]void[...]zzz([...]); +// gdbg-check:[...]void[...]main([...]); +// gdbr-check:fn limited_debuginfo::main(); +// gdbg-check:[...]void[...]some_function([...]); +// gdbr-check:fn limited_debuginfo::some_function(); +// gdbg-check:[...]void[...]some_other_function([...]); +// gdbr-check:fn limited_debuginfo::some_other_function(); +// gdbg-check:[...]void[...]zzz([...]); +// gdbr-check:fn limited_debuginfo::zzz(); // gdb-command:run diff --git a/src/test/debuginfo/simple-struct.rs b/src/test/debuginfo/simple-struct.rs index 4956313ad2214..ae05bafe5adaa 100644 --- a/src/test/debuginfo/simple-struct.rs +++ b/src/test/debuginfo/simple-struct.rs @@ -14,9 +14,6 @@ // === GDB TESTS =================================================================================== -// there's no frame yet for gdb to reliably detect the language, set it explicitly -// gdbr-command:set language rust - // gdbg-command:print 'simple_struct::NO_PADDING_16' // gdbr-command:print simple_struct::NO_PADDING_16 // gdbg-check:$1 = {x = 1000, y = -1001} diff --git a/src/test/debuginfo/simple-tuple.rs b/src/test/debuginfo/simple-tuple.rs index 354a2c26cb36d..b3c2704115095 100644 --- a/src/test/debuginfo/simple-tuple.rs +++ b/src/test/debuginfo/simple-tuple.rs @@ -14,9 +14,6 @@ // === GDB TESTS =================================================================================== -// there's no frame yet for gdb to reliably detect the language, set it explicitly -// gdbr-command:set language rust - // gdbg-command:print/d 'simple_tuple::NO_PADDING_8' // gdbr-command:print simple_tuple::NO_PADDING_8 // gdbg-check:$1 = {__0 = -50, __1 = 50} diff --git a/src/test/run-make/dep-info-doesnt-run-much/Makefile b/src/test/run-make/dep-info-doesnt-run-much/Makefile new file mode 100644 index 0000000000000..2fd84639f2190 --- /dev/null +++ b/src/test/run-make/dep-info-doesnt-run-much/Makefile @@ -0,0 +1,4 @@ +-include ../tools.mk + +all: + $(RUSTC) foo.rs --emit dep-info diff --git a/src/test/run-make/dep-info-doesnt-run-much/foo.rs b/src/test/run-make/dep-info-doesnt-run-much/foo.rs new file mode 100644 index 0000000000000..3591182104498 --- /dev/null +++ b/src/test/run-make/dep-info-doesnt-run-much/foo.rs @@ -0,0 +1,15 @@ +// Copyright 2017 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 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// We're only emitting dep info, so we shouldn't be running static analysis to +// figure out that this program is erroneous. +fn main() { + let a: u8 = "a"; +} diff --git a/src/test/run-make/extern-fn-with-packed-struct/test.rs b/src/test/run-make/extern-fn-with-packed-struct/test.rs index c0f55893a3abe..9e81636e36703 100644 --- a/src/test/run-make/extern-fn-with-packed-struct/test.rs +++ b/src/test/run-make/extern-fn-with-packed-struct/test.rs @@ -8,14 +8,36 @@ // option. This file may not be copied, modified, or distributed // except according to those terms. +use std::fmt; + #[repr(packed)] -#[derive(Copy, Clone, PartialEq, Debug)] +#[derive(Copy, Clone)] struct Foo { a: i8, b: i16, c: i8 } +impl PartialEq for Foo { + fn eq(&self, other: &Foo) -> bool { + self.a == other.a && self.b == other.b && self.c == other.c + } +} + +impl fmt::Debug for Foo { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + let a = self.a; + let b = self.b; + let c = self.c; + + f.debug_struct("Foo") + .field("a", &a) + .field("b", &b) + .field("c", &c) + .finish() + } +} + #[link(name = "test", kind = "static")] extern { fn foo(f: Foo) -> Foo; diff --git a/src/test/run-pass-fulldeps/auxiliary/dummy_mir_pass.rs b/src/test/run-pass-fulldeps/auxiliary/dummy_mir_pass.rs deleted file mode 100644 index 3bc4a40a39c99..0000000000000 --- a/src/test/run-pass-fulldeps/auxiliary/dummy_mir_pass.rs +++ /dev/null @@ -1,55 +0,0 @@ -// Copyright 2015 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 or the MIT license -// , at your -// option. This file may not be copied, modified, or distributed -// except according to those terms. - -// force-host - -#![feature(plugin_registrar, rustc_private)] -#![feature(box_syntax)] - -#[macro_use] extern crate rustc; -extern crate rustc_plugin; -extern crate rustc_const_math; -extern crate syntax; - -use rustc::mir::transform::{self, MirPass, MirSource}; -use rustc::mir::{Mir, Literal, Location}; -use rustc::mir::visit::MutVisitor; -use rustc::ty::TyCtxt; -use rustc::middle::const_val::ConstVal; -use rustc_const_math::ConstInt; -use rustc_plugin::Registry; - -struct Pass; - -impl transform::Pass for Pass {} - -impl<'tcx> MirPass<'tcx> for Pass { - fn run_pass<'a>(&mut self, _: TyCtxt<'a, 'tcx, 'tcx>, - _: MirSource, mir: &mut Mir<'tcx>) { - Visitor.visit_mir(mir) - } -} - -struct Visitor; - -impl<'tcx> MutVisitor<'tcx> for Visitor { - fn visit_literal(&mut self, literal: &mut Literal<'tcx>, _: Location) { - if let Literal::Value { ref mut value } = *literal { - if let ConstVal::Integral(ConstInt::I32(ref mut i @ 11)) = *value { - *i = 42; - } - } - } -} - -#[plugin_registrar] -pub fn plugin_registrar(reg: &mut Registry) { - reg.register_mir_pass(box Pass); -} diff --git a/src/test/run-pass/packed-struct-vec.rs b/src/test/run-pass/packed-struct-vec.rs index 4b32b881be738..57407b8422371 100644 --- a/src/test/run-pass/packed-struct-vec.rs +++ b/src/test/run-pass/packed-struct-vec.rs @@ -8,15 +8,34 @@ // option. This file may not be copied, modified, or distributed // except according to those terms. +use std::fmt; use std::mem; #[repr(packed)] -#[derive(Copy, Clone, PartialEq, Debug)] +#[derive(Copy, Clone)] struct Foo { bar: u8, baz: u64 } +impl PartialEq for Foo { + fn eq(&self, other: &Foo) -> bool { + self.bar == other.bar && self.baz == other.baz + } +} + +impl fmt::Debug for Foo { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + let bar = self.bar; + let baz = self.baz; + + f.debug_struct("Foo") + .field("bar", &bar) + .field("baz", &baz) + .finish() + } +} + pub fn main() { let foos = [Foo { bar: 1, baz: 2 }; 10]; diff --git a/src/test/ui/span/issue-40157.rs b/src/test/ui/span/issue-40157.rs new file mode 100644 index 0000000000000..8f3a7ae341736 --- /dev/null +++ b/src/test/ui/span/issue-40157.rs @@ -0,0 +1,13 @@ +// Copyright 2017 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 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +fn main () { + {println!("{:?}", match { let foo = vec![1, 2]; foo.get(1) } { x => x });} +} diff --git a/src/test/ui/span/issue-40157.stderr b/src/test/ui/span/issue-40157.stderr new file mode 100644 index 0000000000000..ad1c149d2e56f --- /dev/null +++ b/src/test/ui/span/issue-40157.stderr @@ -0,0 +1,14 @@ +error: `foo` does not live long enough + --> $DIR/issue-40157.rs:12:64 + | +12 | {println!("{:?}", match { let foo = vec![1, 2]; foo.get(1) } { x => x });} + | ----------------------------------------------------------^------------- + | | | | + | | | `foo` dropped here while still borrowed + | | borrow occurs here + | borrowed value needs to live until here + | + = note: this error originates in a macro outside of the current crate + +error: aborting due to previous error + diff --git a/src/test/compile-fail/lint-unused-unsafe.rs b/src/test/ui/span/lint-unused-unsafe.rs similarity index 100% rename from src/test/compile-fail/lint-unused-unsafe.rs rename to src/test/ui/span/lint-unused-unsafe.rs diff --git a/src/test/ui/span/lint-unused-unsafe.stderr b/src/test/ui/span/lint-unused-unsafe.stderr new file mode 100644 index 0000000000000..0df3fa43022a4 --- /dev/null +++ b/src/test/ui/span/lint-unused-unsafe.stderr @@ -0,0 +1,116 @@ +error: unnecessary `unsafe` block + --> $DIR/lint-unused-unsafe.rs:26:13 + | +26 | fn bad1() { unsafe {} } //~ ERROR: unnecessary `unsafe` block + | ^^^^^^^^^ unnecessary `unsafe` block + | +note: lint level defined here + --> $DIR/lint-unused-unsafe.rs:14:9 + | +14 | #![deny(unused_unsafe)] + | ^^^^^^^^^^^^^ + +error: unnecessary `unsafe` block + --> $DIR/lint-unused-unsafe.rs:27:13 + | +27 | fn bad2() { unsafe { bad1() } } //~ ERROR: unnecessary `unsafe` block + | ^^^^^^^^^^^^^^^^^ unnecessary `unsafe` block + +error: unnecessary `unsafe` block + --> $DIR/lint-unused-unsafe.rs:28:20 + | +28 | unsafe fn bad3() { unsafe {} } //~ ERROR: unnecessary `unsafe` block + | ^^^^^^^^^ unnecessary `unsafe` block + | +note: because it's nested under this `unsafe` fn + --> $DIR/lint-unused-unsafe.rs:28:1 + | +28 | unsafe fn bad3() { unsafe {} } //~ ERROR: unnecessary `unsafe` block + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: unnecessary `unsafe` block + --> $DIR/lint-unused-unsafe.rs:29:13 + | +29 | fn bad4() { unsafe { callback(||{}) } } //~ ERROR: unnecessary `unsafe` block + | ^^^^^^^^^^^^^^^^^^^^^^^^^ unnecessary `unsafe` block + +error: unnecessary `unsafe` block + --> $DIR/lint-unused-unsafe.rs:30:20 + | +30 | unsafe fn bad5() { unsafe { unsf() } } //~ ERROR: unnecessary `unsafe` block + | ^^^^^^^^^^^^^^^^^ unnecessary `unsafe` block + | +note: because it's nested under this `unsafe` fn + --> $DIR/lint-unused-unsafe.rs:30:1 + | +30 | unsafe fn bad5() { unsafe { unsf() } } //~ ERROR: unnecessary `unsafe` block + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: unnecessary `unsafe` block + --> $DIR/lint-unused-unsafe.rs:33:9 + | +33 | unsafe { //~ ERROR: unnecessary `unsafe` block + | _________^ starting here... +34 | | unsf() +35 | | } + | |_________^ ...ending here: unnecessary `unsafe` block + | +note: because it's nested under this `unsafe` block + --> $DIR/lint-unused-unsafe.rs:32:5 + | +32 | unsafe { // don't put the warning here + | _____^ starting here... +33 | | unsafe { //~ ERROR: unnecessary `unsafe` block +34 | | unsf() +35 | | } +36 | | } + | |_____^ ...ending here + +error: unnecessary `unsafe` block + --> $DIR/lint-unused-unsafe.rs:39:5 + | +39 | unsafe { //~ ERROR: unnecessary `unsafe` block + | _____^ starting here... +40 | | unsafe { //~ ERROR: unnecessary `unsafe` block +41 | | unsf() +42 | | } +43 | | } + | |_____^ ...ending here: unnecessary `unsafe` block + | +note: because it's nested under this `unsafe` fn + --> $DIR/lint-unused-unsafe.rs:38:1 + | +38 | unsafe fn bad7() { + | _^ starting here... +39 | | unsafe { //~ ERROR: unnecessary `unsafe` block +40 | | unsafe { //~ ERROR: unnecessary `unsafe` block +41 | | unsf() +42 | | } +43 | | } +44 | | } + | |_^ ...ending here + +error: unnecessary `unsafe` block + --> $DIR/lint-unused-unsafe.rs:40:9 + | +40 | unsafe { //~ ERROR: unnecessary `unsafe` block + | _________^ starting here... +41 | | unsf() +42 | | } + | |_________^ ...ending here: unnecessary `unsafe` block + | +note: because it's nested under this `unsafe` fn + --> $DIR/lint-unused-unsafe.rs:38:1 + | +38 | unsafe fn bad7() { + | _^ starting here... +39 | | unsafe { //~ ERROR: unnecessary `unsafe` block +40 | | unsafe { //~ ERROR: unnecessary `unsafe` block +41 | | unsf() +42 | | } +43 | | } +44 | | } + | |_^ ...ending here + +error: aborting due to 8 previous errors + diff --git a/src/test/ui/span/suggestion-non-ascii.rs b/src/test/ui/span/suggestion-non-ascii.rs new file mode 100644 index 0000000000000..67dbe1dc7b566 --- /dev/null +++ b/src/test/ui/span/suggestion-non-ascii.rs @@ -0,0 +1,16 @@ +// Copyright 2017 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 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + + +fn main() { + let tup = (1,); + println!("☃{}", tup[0]); +} + diff --git a/src/test/ui/span/suggestion-non-ascii.stderr b/src/test/ui/span/suggestion-non-ascii.stderr new file mode 100644 index 0000000000000..385c211f393c6 --- /dev/null +++ b/src/test/ui/span/suggestion-non-ascii.stderr @@ -0,0 +1,11 @@ +error: cannot index a value of type `({integer},)` + --> $DIR/suggestion-non-ascii.rs:14:21 + | +14 | println!("☃{}", tup[0]); + | ^^^^^^ + | +help: to access tuple elements, use tuple indexing syntax as shown + | println!("☃{}", tup.0); + +error: aborting due to previous error + diff --git a/src/test/ui/codemap_tests/issue-38812-2.rs b/src/test/ui/type-check/issue-38812-2.rs similarity index 100% rename from src/test/ui/codemap_tests/issue-38812-2.rs rename to src/test/ui/type-check/issue-38812-2.rs diff --git a/src/test/ui/codemap_tests/issue-38812-2.stderr b/src/test/ui/type-check/issue-38812-2.stderr similarity index 100% rename from src/test/ui/codemap_tests/issue-38812-2.stderr rename to src/test/ui/type-check/issue-38812-2.stderr diff --git a/src/test/ui/codemap_tests/issue-38812.rs b/src/test/ui/type-check/issue-38812.rs similarity index 100% rename from src/test/ui/codemap_tests/issue-38812.rs rename to src/test/ui/type-check/issue-38812.rs diff --git a/src/test/ui/codemap_tests/issue-38812.stderr b/src/test/ui/type-check/issue-38812.stderr similarity index 100% rename from src/test/ui/codemap_tests/issue-38812.stderr rename to src/test/ui/type-check/issue-38812.stderr diff --git a/src/test/run-pass-fulldeps/mir-pass.rs b/src/test/ui/type-check/issue-40294.rs similarity index 64% rename from src/test/run-pass-fulldeps/mir-pass.rs rename to src/test/ui/type-check/issue-40294.rs index 8ac4bf9733757..d30a425d1099b 100644 --- a/src/test/run-pass-fulldeps/mir-pass.rs +++ b/src/test/ui/type-check/issue-40294.rs @@ -1,4 +1,4 @@ -// Copyright 2015 The Rust Project Developers. See the COPYRIGHT +// Copyright 2017 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // @@ -8,16 +8,16 @@ // option. This file may not be copied, modified, or distributed // except according to those terms. -// aux-build:dummy_mir_pass.rs -// ignore-stage1 - -#![feature(plugin)] -#![plugin(dummy_mir_pass)] - -fn math() -> i32 { - 11 +trait Foo: Sized { + fn foo(self); } -pub fn main() { - assert_eq!(math(), 42); +fn foo<'a,'b,T>(x: &'a T, y: &'b T) + where &'a T : Foo, + &'b T : Foo +{ + x.foo(); + y.foo(); } + +fn main() { } diff --git a/src/test/ui/type-check/issue-40294.stderr b/src/test/ui/type-check/issue-40294.stderr new file mode 100644 index 0000000000000..5c388c9d602ea --- /dev/null +++ b/src/test/ui/type-check/issue-40294.stderr @@ -0,0 +1,15 @@ +error[E0282]: type annotations needed + --> $DIR/issue-40294.rs:15:1 + | +15 | fn foo<'a,'b,T>(x: &'a T, y: &'b T) + | _^ starting here... +16 | | where &'a T : Foo, +17 | | &'b T : Foo +18 | | { +19 | | x.foo(); +20 | | y.foo(); +21 | | } + | |_^ ...ending here: cannot infer type for `&'a T` + +error: aborting due to previous error + diff --git a/src/tools/build-manifest/src/main.rs b/src/tools/build-manifest/src/main.rs index ceefcc9e0ec46..c2ec42195fcb7 100644 --- a/src/tools/build-manifest/src/main.rs +++ b/src/tools/build-manifest/src/main.rs @@ -45,6 +45,7 @@ static HOSTS: &'static [&'static str] = &[ static TARGETS: &'static [&'static str] = &[ "aarch64-apple-ios", + "aarch64-unknown-fuchsia", "aarch64-linux-android", "aarch64-unknown-linux-gnu", "arm-linux-androideabi", @@ -86,6 +87,7 @@ static TARGETS: &'static [&'static str] = &[ "x86_64-pc-windows-msvc", "x86_64-rumprun-netbsd", "x86_64-unknown-freebsd", + "x86_64-unknown-fuchsia", "x86_64-unknown-linux-gnu", "x86_64-unknown-linux-musl", "x86_64-unknown-netbsd", @@ -183,15 +185,19 @@ impl Builder { let mut manifest = BTreeMap::new(); manifest.insert("manifest-version".to_string(), toml::Value::String(manifest_version)); - manifest.insert("date".to_string(), toml::Value::String(date)); + manifest.insert("date".to_string(), toml::Value::String(date.clone())); manifest.insert("pkg".to_string(), toml::encode(&pkg)); let manifest = toml::Value::Table(manifest).to_string(); let filename = format!("channel-rust-{}.toml", self.rust_release); self.write_manifest(&manifest, &filename); + let filename = format!("channel-rust-{}-date.txt", self.rust_release); + self.write_date_stamp(&date, &filename); + if self.rust_release != "beta" && self.rust_release != "nightly" { self.write_manifest(&manifest, "channel-rust-stable.toml"); + self.write_date_stamp(&date, "channel-rust-stable-date.txt"); } } @@ -218,7 +224,7 @@ impl Builder { self.package("rust-docs", &mut manifest.pkg, TARGETS); self.package("rust-src", &mut manifest.pkg, &["*"]); - if self.channel == "nightly" { + if self.rust_release == "nightly" { self.package("rust-analysis", &mut manifest.pkg, TARGETS); } @@ -271,7 +277,7 @@ impl Builder { target: target.to_string(), }); } - if self.channel == "nightly" { + if self.rust_release == "nightly" { extensions.push(Component { pkg: "rust-analysis".to_string(), target: target.to_string(), @@ -411,4 +417,11 @@ impl Builder { self.hash(&dst); self.sign(&dst); } + + fn write_date_stamp(&self, date: &str, name: &str) { + let dst = self.output.join(name); + t!(t!(File::create(&dst)).write_all(date.as_bytes())); + self.hash(&dst); + self.sign(&dst); + } } diff --git a/src/tools/cargo b/src/tools/cargo deleted file mode 160000 index d17b61aa5a2ca..0000000000000 --- a/src/tools/cargo +++ /dev/null @@ -1 +0,0 @@ -Subproject commit d17b61aa5a2ca790f268a043bffdb0ffb04f0ec7