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Migrate most of wasmtime from lazy_static to once_cell (#4368)

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* Update tracing-core to a version which doesn't depend on lazy-static.

* Update crossbeam-utils to a version that doesn't depend on lazy-static.

* Update crossbeam-epoch to a version that doesn't depend on lazy-static.

* Update clap to a version that doesn't depend on lazy-static.

* Convert Wasmtime's own use of lazy_static to once_cell.

* Make `GDB_REGISTRATION`'s comment a doc comment.

* Fix compilation on Windows.
This commit is contained in:
Dan Gohman
2022-07-05 10:52:48 -07:00
committed by GitHub
parent d9e0e6a6a9
commit 371ae80ac3
25 changed files with 123 additions and 138 deletions
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53
src/lib.rs
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@@ -23,36 +23,41 @@
)
)]
use once_cell::sync::Lazy;
use wasmtime_cli_flags::{SUPPORTED_WASI_MODULES, SUPPORTED_WASM_FEATURES};
lazy_static::lazy_static! {
static ref FLAG_EXPLANATIONS: String = {
use std::fmt::Write;
static FLAG_EXPLANATIONS: Lazy<String> = Lazy::new(|| {
use std::fmt::Write;
let mut s = String::new();
let mut s = String::new();
// Explain --wasm-features.
writeln!(&mut s, "Supported values for `--wasm-features`:").unwrap();
writeln!(&mut s).unwrap();
let max = SUPPORTED_WASM_FEATURES.iter().max_by_key(|(name, _)| name.len()).unwrap();
for (name, desc) in SUPPORTED_WASM_FEATURES.iter() {
writeln!(&mut s, "{:width$} {}", name, desc, width = max.0.len() + 2).unwrap();
}
writeln!(&mut s).unwrap();
// Explain --wasm-features.
writeln!(&mut s, "Supported values for `--wasm-features`:").unwrap();
writeln!(&mut s).unwrap();
let max = SUPPORTED_WASM_FEATURES
.iter()
.max_by_key(|(name, _)| name.len())
.unwrap();
for (name, desc) in SUPPORTED_WASM_FEATURES.iter() {
writeln!(&mut s, "{:width$} {}", name, desc, width = max.0.len() + 2).unwrap();
}
writeln!(&mut s).unwrap();
// Explain --wasi-modules.
writeln!(&mut s, "Supported values for `--wasi-modules`:").unwrap();
writeln!(&mut s).unwrap();
let max = SUPPORTED_WASI_MODULES.iter().max_by_key(|(name, _)| name.len()).unwrap();
for (name, desc) in SUPPORTED_WASI_MODULES.iter() {
writeln!(&mut s, "{:width$} {}", name, desc, width = max.0.len() + 2).unwrap();
}
// Explain --wasi-modules.
writeln!(&mut s, "Supported values for `--wasi-modules`:").unwrap();
writeln!(&mut s).unwrap();
let max = SUPPORTED_WASI_MODULES
.iter()
.max_by_key(|(name, _)| name.len())
.unwrap();
for (name, desc) in SUPPORTED_WASI_MODULES.iter() {
writeln!(&mut s, "{:width$} {}", name, desc, width = max.0.len() + 2).unwrap();
}
writeln!(&mut s).unwrap();
writeln!(&mut s, "Features prefixed with '-' will be disabled.").unwrap();
writeln!(&mut s).unwrap();
writeln!(&mut s, "Features prefixed with '-' will be disabled.").unwrap();
s
};
}
s
});
pub mod commands;