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expand: Remove obsolete ExpansionConfig::keep_macs

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Maybe it was used before the introduction of placeholders, but now it has no effect.
This commit is contained in:
Vadim Petrochenkov 2021-02-14 19:43:54 +03:00
parent 0038eaee6b
commit 18c94b3edd
2 changed files with 2 additions and 12 deletions
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6
compiler/rustc_expand/src/expand.rs
View file

@ -1614,9 +1614,8 @@ pub struct ExpansionConfig<'feat> {
pub features: Option<&'feat Features>,
pub recursion_limit: Limit,
pub trace_mac: bool,
pub should_test: bool, // If false, strip `#[test]` nodes
pub keep_macs: bool,
pub span_debug: bool, // If true, use verbose debugging for `proc_macro::Span`
pub should_test: bool, // If false, strip `#[test]` nodes
pub span_debug: bool, // If true, use verbose debugging for `proc_macro::Span`
pub proc_macro_backtrace: bool, // If true, show backtraces for proc-macro panics
}
@ -1628,7 +1627,6 @@ impl<'feat> ExpansionConfig<'feat> {
recursion_limit: Limit::new(1024),
trace_mac: false,
should_test: false,
keep_macs: false,
span_debug: false,
proc_macro_backtrace: false,
}

8
compiler/rustc_expand/src/placeholders.rs
View file

@ -371,12 +371,4 @@ impl<'a, 'b> MutVisitor for PlaceholderExpander<'a, 'b> {
}
}
}
fn visit_mod(&mut self, module: &mut ast::Mod) {
noop_visit_mod(module, self);
// remove macro definitions
module.items.retain(
|item| !matches!(item.kind, ast::ItemKind::MacCall(_) if !self.cx.ecfg.keep_macs),
);
}
}