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Use target_arch if targeting wasm (so wasi works)

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Richard Feldman 2024-06-30 00:22:04 -04:00
parent 2253e849d4
commit 6102e38f33
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2 changed files with 327 additions and 3 deletions
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7
crates/error_macros/src/lib.rs
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@ -1,6 +1,7 @@
//! Provides macros for consistent reporting of errors in Roc's rust code.
#![no_std]
#[cfg(any(unix, windows, target_arch = "wasm32"))]
use core::fmt;
#[cfg(unix)]
@ -31,7 +32,7 @@ const STD_ERROR_HANDLE: i32 = -12;
/// Print each of the given strings to stderr (if it's available; on wasm, nothing will
/// be printed) and then immediately exit the program with an error.
/// On wasm, this will trap, and on UNIX or Windows it will exit with a code of 1.
#[cfg(any(unix, windows, wasm32))]
#[cfg(any(unix, windows, target_arch = "wasm32"))]
pub fn error_and_exit(args: fmt::Arguments) -> ! {
use fmt::Write;
@ -62,7 +63,7 @@ pub fn error_and_exit(args: fmt::Arguments) -> ! {
Ok(())
}
#[cfg(wasm32)]
#[cfg(target_arch = "wasm32")]
fn write_str(&mut self, _s: &str) -> fmt::Result {
Ok(())
}
@ -83,7 +84,7 @@ pub fn error_and_exit(args: fmt::Arguments) -> ! {
ExitProcess(1)
}
#[cfg(wasm32)]
#[cfg(target_arch = "wasm32")]
{
// We have no way to write to any stderr equivalent in wasm,
// so just trap to end the program immediately.