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84ac80f192
The previous commit updated `rustfmt.toml` appropriately. This commit is the outcome of running `x fmt --all` with the new formatting options.
28 lines
992 B
Rust
28 lines
992 B
Rust
// The compiler code necessary to support the compile_error! extension.
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use rustc_ast::tokenstream::TokenStream;
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use rustc_expand::base::{DummyResult, ExpandResult, ExtCtxt, MacroExpanderResult};
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use rustc_span::Span;
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use crate::util::get_single_str_from_tts;
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pub(crate) fn expand_compile_error<'cx>(
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cx: &'cx mut ExtCtxt<'_>,
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sp: Span,
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tts: TokenStream,
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) -> MacroExpanderResult<'cx> {
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let ExpandResult::Ready(mac) = get_single_str_from_tts(cx, sp, tts, "compile_error!") else {
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return ExpandResult::Retry(());
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};
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let var = match mac {
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Ok(var) => var,
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Err(guar) => return ExpandResult::Ready(DummyResult::any(sp, guar)),
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};
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#[expect(rustc::diagnostic_outside_of_impl, reason = "diagnostic message is specified by user")]
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#[expect(rustc::untranslatable_diagnostic, reason = "diagnostic message is specified by user")]
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let guar = cx.dcx().span_err(sp, var.to_string());
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ExpandResult::Ready(DummyResult::any(sp, guar))
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}
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