use crate::session::Session; use rustc_data_structures::profiling::VerboseTimingGuard; use std::path::{Path, PathBuf}; impl Session { pub fn timer<'a>(&'a self, what: &'static str) -> VerboseTimingGuard<'a> { self.prof.verbose_generic_activity(what) } pub fn time(&self, what: &'static str, f: impl FnOnce() -> R) -> R { self.prof.verbose_generic_activity(what).run(f) } } #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Encodable, Decodable)] #[derive(HashStable_Generic)] pub enum NativeLibKind { /// Static library (e.g. `libfoo.a` on Linux or `foo.lib` on Windows/MSVC) Static { /// Whether to bundle objects from static library into produced rlib bundle: Option, /// Whether to link static library without throwing any object files away whole_archive: Option, }, /// Dynamic library (e.g. `libfoo.so` on Linux) /// or an import library corresponding to a dynamic library (e.g. `foo.lib` on Windows/MSVC). Dylib { /// Whether the dynamic library will be linked only if it satisfies some undefined symbols as_needed: Option, }, /// Dynamic library (e.g. `foo.dll` on Windows) without a corresponding import library. RawDylib, /// A macOS-specific kind of dynamic libraries. Framework { /// Whether the framework will be linked only if it satisfies some undefined symbols as_needed: Option, }, /// Argument which is passed to linker, relative order with libraries and other arguments /// is preserved LinkArg, /// The library kind wasn't specified, `Dylib` is currently used as a default. Unspecified, } impl NativeLibKind { pub fn has_modifiers(&self) -> bool { match self { NativeLibKind::Static { bundle, whole_archive } => { bundle.is_some() || whole_archive.is_some() } NativeLibKind::Dylib { as_needed } | NativeLibKind::Framework { as_needed } => { as_needed.is_some() } NativeLibKind::RawDylib | NativeLibKind::Unspecified | NativeLibKind::LinkArg => false, } } pub fn is_statically_included(&self) -> bool { matches!(self, NativeLibKind::Static { .. }) } pub fn is_dllimport(&self) -> bool { matches!( self, NativeLibKind::Dylib { .. } | NativeLibKind::RawDylib | NativeLibKind::Unspecified ) } } #[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Encodable, Decodable)] #[derive(HashStable_Generic)] pub struct NativeLib { pub name: String, pub new_name: Option, pub kind: NativeLibKind, pub verbatim: Option, } impl NativeLib { pub fn has_modifiers(&self) -> bool { self.verbatim.is_some() || self.kind.has_modifiers() } } /// A path that has been canonicalized along with its original, non-canonicalized form #[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)] pub struct CanonicalizedPath { // Optional since canonicalization can sometimes fail canonicalized: Option, original: PathBuf, } impl CanonicalizedPath { pub fn new(path: &Path) -> Self { Self { original: path.to_owned(), canonicalized: std::fs::canonicalize(path).ok() } } pub fn canonicalized(&self) -> &PathBuf { self.canonicalized.as_ref().unwrap_or(self.original()) } pub fn original(&self) -> &PathBuf { &self.original } }