7d4a98e61a
arbitrary link argument like -C link-arg, but respecting relative order to other `-l` options, unstable
94 lines
3.2 KiB
Rust
94 lines
3.2 KiB
Rust
use crate::session::Session;
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use rustc_data_structures::profiling::VerboseTimingGuard;
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use std::path::{Path, PathBuf};
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impl Session {
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pub fn timer<'a>(&'a self, what: &'static str) -> VerboseTimingGuard<'a> {
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self.prof.verbose_generic_activity(what)
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}
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pub fn time<R>(&self, what: &'static str, f: impl FnOnce() -> R) -> R {
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self.prof.verbose_generic_activity(what).run(f)
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}
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}
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#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Encodable, Decodable)]
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#[derive(HashStable_Generic)]
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pub enum NativeLibKind {
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/// Static library (e.g. `libfoo.a` on Linux or `foo.lib` on Windows/MSVC)
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Static {
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/// Whether to bundle objects from static library into produced rlib
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bundle: Option<bool>,
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/// Whether to link static library without throwing any object files away
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whole_archive: Option<bool>,
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},
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/// Dynamic library (e.g. `libfoo.so` on Linux)
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/// or an import library corresponding to a dynamic library (e.g. `foo.lib` on Windows/MSVC).
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Dylib {
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/// Whether the dynamic library will be linked only if it satisfies some undefined symbols
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as_needed: Option<bool>,
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},
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/// Dynamic library (e.g. `foo.dll` on Windows) without a corresponding import library.
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RawDylib,
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/// A macOS-specific kind of dynamic libraries.
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Framework {
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/// Whether the framework will be linked only if it satisfies some undefined symbols
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as_needed: Option<bool>,
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},
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/// Argument which is passed to linker, relative order with libraries and other arguments
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/// is preserved
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LinkArg,
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/// The library kind wasn't specified, `Dylib` is currently used as a default.
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Unspecified,
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}
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impl NativeLibKind {
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pub fn has_modifiers(&self) -> bool {
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match self {
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NativeLibKind::Static { bundle, whole_archive } => {
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bundle.is_some() || whole_archive.is_some()
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}
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NativeLibKind::Dylib { as_needed } | NativeLibKind::Framework { as_needed } => {
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as_needed.is_some()
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}
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NativeLibKind::RawDylib | NativeLibKind::Unspecified | NativeLibKind::LinkArg => false,
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}
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}
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}
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Encodable, Decodable)]
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#[derive(HashStable_Generic)]
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pub struct NativeLib {
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pub name: String,
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pub new_name: Option<String>,
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pub kind: NativeLibKind,
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pub verbatim: Option<bool>,
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}
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impl NativeLib {
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pub fn has_modifiers(&self) -> bool {
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self.verbatim.is_some() || self.kind.has_modifiers()
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}
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}
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/// A path that has been canonicalized along with its original, non-canonicalized form
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#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
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pub struct CanonicalizedPath {
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// Optional since canonicalization can sometimes fail
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canonicalized: Option<PathBuf>,
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original: PathBuf,
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}
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impl CanonicalizedPath {
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pub fn new(path: &Path) -> Self {
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Self { original: path.to_owned(), canonicalized: std::fs::canonicalize(path).ok() }
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}
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pub fn canonicalized(&self) -> &PathBuf {
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self.canonicalized.as_ref().unwrap_or(self.original())
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}
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pub fn original(&self) -> &PathBuf {
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&self.original
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}
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}
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