1//! LLVM target triple types.
2
3#![deny(missing_docs, trivial_numeric_casts, unused_extern_crates)]
4#![warn(unused_import_braces)]
5#![cfg_attr(
6 feature = "cargo-clippy",
7 warn(
8 clippy::float_arithmetic,
9 clippy::mut_mut,
10 clippy::nonminimal_bool,
11 clippy::option_map_unwrap_or,
12 clippy::option_map_unwrap_or_else,
13 clippy::print_stdout,
14 clippy::unicode_not_nfc,
15 clippy::use_self,
16 )
17)]
18#![cfg_attr(not(feature = "std"), no_std)]
19
20#[cfg(not(feature = "std"))]
21extern crate alloc;
22#[cfg(feature = "std")]
23extern crate std as alloc;
24
25mod data_model;
26mod host;
27mod parse_error;
28mod targets;
29#[macro_use]
30mod triple;
31
32pub use self::data_model::{CDataModel, Size};
33pub use self::host::HOST;
34pub use self::parse_error::ParseError;
35pub use self::targets::{
36 Aarch64Architecture, Architecture, ArmArchitecture, BinaryFormat, CleverArchitecture,
37 CustomVendor, DeploymentTarget, Environment, Mips32Architecture, Mips64Architecture,
38 OperatingSystem, Riscv32Architecture, Riscv64Architecture, Vendor, X86_32Architecture,
39};
40pub use self::triple::{CallingConvention, Endianness, PointerWidth, Triple};
41
42/// A simple wrapper around `Triple` that provides an implementation of
43/// `Default` which defaults to `Triple::host()`.
44#[derive(Clone, Debug, PartialEq, Eq, Hash)]
45pub struct DefaultToHost(pub Triple);
46
47impl Default for DefaultToHost {
48 fn default() -> Self {
49 Self(Triple::host())
50 }
51}
52
53/// A simple wrapper around `Triple` that provides an implementation of
54/// `Default` which defaults to `Triple::unknown()`.
55#[derive(Clone, Debug, PartialEq, Eq, Hash)]
56pub struct DefaultToUnknown(pub Triple);
57
58impl Default for DefaultToUnknown {
59 fn default() -> Self {
60 Self(Triple::unknown())
61 }
62}
63
64// For some reason, the below `serde` impls don't work when they're in the
65// `triple` module.
66
67#[cfg(feature = "serde_support")]
68impl serde::Serialize for Triple {
69 fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
70 serializer.serialize_str(&self.to_string())
71 }
72}
73
74#[cfg(feature = "serde_support")]
75impl<'de> serde::de::Deserialize<'de> for Triple {
76 fn deserialize<D: serde::de::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
77 let s = String::deserialize(deserializer)?;
78 s.parse().map_err(serde::de::Error::custom)
79 }
80}
81
82#[cfg(feature = "serde_support")]
83#[test]
84fn test_serialize() {
85 let triples: Vec<Triple> = vec![
86 "x86_64-unknown-linux-gnu".parse().unwrap(),
87 "i686-pc-windows-gnu".parse().unwrap(),
88 ];
89
90 let json = serde_json::to_string(&triples).unwrap();
91 assert_eq!(
92 json,
93 r#"["x86_64-unknown-linux-gnu","i686-pc-windows-gnu"]"#
94 );
95}
96
97#[cfg(feature = "serde_support")]
98#[test]
99fn test_deserialize() {
100 let triples: Vec<Triple> = vec![
101 "x86_64-unknown-linux-gnu".parse().unwrap(),
102 "i686-pc-windows-gnu".parse().unwrap(),
103 ];
104
105 let vals: Vec<Triple> =
106 serde_json::from_str(r#"["x86_64-unknown-linux-gnu","i686-pc-windows-gnu"]"#).unwrap();
107
108 assert_eq!(vals, triples);
109}
110