bjoernager/rust
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delay expand macro bang when there has indeterminate path

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This commit is contained in:
bohan 2024-03-12 10:55:17 +08:00
parent 5a6c1aa2bc
commit 8fcdf54a6b
22 changed files with 509 additions and 263 deletions
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6
compiler/rustc_builtin_macros/src/trace_macros.rs
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@ -1,6 +1,6 @@
use crate::errors;
use rustc_ast::tokenstream::{TokenStream, TokenTree};
use rustc_expand::base::{self, ExtCtxt};
use rustc_expand::base::{DummyResult, ExpandResult, ExtCtxt, MacroExpanderResult};
use rustc_span::symbol::kw;
use rustc_span::Span;
@ -8,7 +8,7 @@ pub fn expand_trace_macros(
cx: &mut ExtCtxt<'_>,
sp: Span,
tt: TokenStream,
) -> Box<dyn base::MacResult + 'static> {
) -> MacroExpanderResult<'static> {
let mut cursor = tt.trees();
let mut err = false;
let value = match &cursor.next() {
@ -26,5 +26,5 @@ pub fn expand_trace_macros(
cx.set_trace_macros(value);
}
base::DummyResult::any_valid(sp)
ExpandResult::Ready(DummyResult::any_valid(sp))
}