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Desugars contract into the internal AST extensions

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Check ensures on early return due to Try / Yeet

Expand these two expressions to include a call to contract checking
This commit is contained in:
Felix S. Klock II
2024-12-03 02:52:29 +00:00
committed by Celina G. Val
parent 38eff16d0a
commit ae7eff0be5
12 changed files with 457 additions and 88 deletions
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5
compiler/rustc_builtin_macros/src/lib.rs
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@@ -55,6 +55,7 @@ mod trace_macros;
pub mod asm;
pub mod cmdline_attrs;
pub mod contracts;
pub mod proc_macro_harness;
pub mod standard_library_imports;
pub mod test_harness;
@@ -137,4 +138,8 @@ pub fn register_builtin_macros(resolver: &mut dyn ResolverExpand) {
let client = proc_macro::bridge::client::Client::expand1(proc_macro::quote);
register(sym::quote, SyntaxExtensionKind::Bang(Box::new(BangProcMacro { client })));
let requires = SyntaxExtensionKind::Attr(Box::new(contracts::ExpandRequires));
register(sym::contracts_requires, requires);
let ensures = SyntaxExtensionKind::Attr(Box::new(contracts::ExpandEnsures));
register(sym::contracts_ensures, ensures);
}