bjoernager/rust
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introduce DynSend and DynSync auto trait

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This commit is contained in:
SparrowLii 2023-03-03 10:14:57 +08:00
parent 963e5c0eff
commit b9746ce039
26 changed files with 558 additions and 115 deletions
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12
compiler/rustc_expand/src/base.rs
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@ -653,13 +653,13 @@ pub enum SyntaxExtensionKind {
/// A token-based function-like macro.
Bang(
/// An expander with signature TokenStream -> TokenStream.
Box<dyn BangProcMacro + sync::Sync + sync::Send>,
Box<dyn BangProcMacro + sync::DynSync + sync::DynSend>,
),
/// An AST-based function-like macro.
LegacyBang(
/// An expander with signature TokenStream -> AST.
Box<dyn TTMacroExpander + sync::Sync + sync::Send>,
Box<dyn TTMacroExpander + sync::DynSync + sync::DynSend>,
),
/// A token-based attribute macro.
@ -667,7 +667,7 @@ pub enum SyntaxExtensionKind {
/// An expander with signature (TokenStream, TokenStream) -> TokenStream.
/// The first TokenSteam is the attribute itself, the second is the annotated item.
/// The produced TokenSteam replaces the input TokenSteam.
Box<dyn AttrProcMacro + sync::Sync + sync::Send>,
Box<dyn AttrProcMacro + sync::DynSync + sync::DynSend>,
),
/// An AST-based attribute macro.
@ -675,7 +675,7 @@ pub enum SyntaxExtensionKind {
/// An expander with signature (AST, AST) -> AST.
/// The first AST fragment is the attribute itself, the second is the annotated item.
/// The produced AST fragment replaces the input AST fragment.
Box<dyn MultiItemModifier + sync::Sync + sync::Send>,
Box<dyn MultiItemModifier + sync::DynSync + sync::DynSend>,
),
/// A trivial attribute "macro" that does nothing,
@ -692,14 +692,14 @@ pub enum SyntaxExtensionKind {
/// is handled identically to `LegacyDerive`. It should be migrated to
/// a token-based representation like `Bang` and `Attr`, instead of
/// using `MultiItemModifier`.
Box<dyn MultiItemModifier + sync::Sync + sync::Send>,
Box<dyn MultiItemModifier + sync::DynSync + sync::DynSend>,
),
/// An AST-based derive macro.
LegacyDerive(
/// An expander with signature AST -> AST.
/// The produced AST fragment is appended to the input AST fragment.
Box<dyn MultiItemModifier + sync::Sync + sync::Send>,
Box<dyn MultiItemModifier + sync::DynSync + sync::DynSend>,
),
}