rustc_target: Remove some redundant target properties #98214
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rustc_target: Remove some redundant target properties
`is_like_emscripten` is equivalent to `os == "emscripten"`, so it's removed.
`is_like_fuchsia` is equivalent to `os == "fuchsia"`, so it's removed.
`is_like_osx` also falls into the same category and is equivalent to `vendor == "apple"`, but it's commonly used so I kept it as is for now.
`is_like_(solaris,windows,wasm)` are combinations of different operating systems or architectures (see compiler/rustc_target/src/spec/tests/tests_impl.rs) so they are also kept as is.
I think `is_like_wasm` (and maybe `is_like_osx`) are sufficiently closed sets, so we can remove these fields as well and replace them with methods like `fn is_like_wasm() { arch == "wasm32" || arch == "wasm64" }`.
On other hand, `is_like_solaris` and `is_like_windows` are sufficiently open and I can imagine custom targets introducing other values for `os`.
This is kind of a gray area.
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Rollup of 9 pull requests Successful merges: - rust-lang#91264 (Add macro support in jump to definition feature) - rust-lang#96955 (Remove (transitive) reliance on sorting by DefId in pretty-printer) - rust-lang#97633 (Session object: Set OS/ABI) - rust-lang#98039 (Fix `panic` message for `BTreeSet`'s `range` API and document `panic` cases) - rust-lang#98214 (rustc_target: Remove some redundant target properties) - rust-lang#98280 (Improve suggestion for calling fn-like expr on type mismatch) - rust-lang#98394 (Fixup missing renames from `#[main]` to `#[rustc_main]`) - rust-lang#98411 (Update tendril) - rust-lang#98419 (Remove excess rib while resolving closures) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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is_like_emscriptenis equivalent toos == "emscripten", so it's removed.is_like_fuchsiais equivalent toos == "fuchsia", so it's removed.is_like_osxalso falls into the same category and is equivalent tovendor == "apple", but it's commonly used so I kept it as is for now.is_like_(solaris,windows,wasm)are combinations of different operating systems or architectures (see compiler/rustc_target/src/spec/tests/tests_impl.rs) so they are also kept as is.I think
is_like_wasm(and maybeis_like_osx) are sufficiently closed sets, so we can remove these fields as well and replace them with methods likefn is_like_wasm() { arch == "wasm32" || arch == "wasm64" }.On other hand,
is_like_solarisandis_like_windowsare sufficiently open and I can imagine custom targets introducing other values foros.This is kind of a gray area.