1 files changed, 57 insertions, 0 deletions
diff --git a/third_party/rust/target-lexicon/src/lib.rs b/third_party/rust/target-lexicon/src/lib.rs
new file mode 100644
index 0000000000..5b48872301
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+++ b/third_party/rust/target-lexicon/src/lib.rs
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+//! Target triple support.
+
+#![deny(missing_docs, trivial_numeric_casts, unused_extern_crates)]
+#![warn(unused_import_braces)]
+#![cfg_attr(
+    feature = "cargo-clippy",
+    warn(
+        clippy::float_arithmetic,
+        clippy::mut_mut,
+        clippy::nonminimal_bool,
+        clippy::option_map_unwrap_or,
+        clippy::option_map_unwrap_or_else,
+        clippy::print_stdout,
+        clippy::unicode_not_nfc,
+        clippy::use_self,
+    )
+)]
+#![cfg_attr(not(feature = "std"), no_std)]
+
+extern crate alloc;
+
+mod data_model;
+mod host;
+mod parse_error;
+mod targets;
+#[macro_use]
+mod triple;
+
+pub use self::data_model::{CDataModel, Size};
+pub use self::host::HOST;
+pub use self::parse_error::ParseError;
+pub use self::targets::{
+    Aarch64Architecture, Architecture, ArmArchitecture, BinaryFormat, CustomVendor, Environment,
+    Mips32Architecture, Mips64Architecture, OperatingSystem, Riscv32Architecture,
+    Riscv64Architecture, Vendor, X86_32Architecture,
+};
+pub use self::triple::{CallingConvention, Endianness, PointerWidth, Triple};
+
+/// A simple wrapper around `Triple` that provides an implementation of
+/// `Default` which defaults to `Triple::host()`.
+pub struct DefaultToHost(pub Triple);
+
+impl Default for DefaultToHost {
+    fn default() -> Self {
+        Self(Triple::host())
+    }
+}
+
+/// A simple wrapper around `Triple` that provides an implementation of
+/// `Default` which defaults to `Triple::unknown()`.
+pub struct DefaultToUnknown(pub Triple);
+
+impl Default for DefaultToUnknown {
+    fn default() -> Self {
+        Self(Triple::unknown())
+    }
+}