bjoernager/rust
bjoernager/rust
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offset_of

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This commit is contained in:
DrMeepster 2022-09-11 00:37:49 -07:00
parent b92a41c676
commit 511e457c4b
71 changed files with 841 additions and 38 deletions
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7
compiler/rustc_ast_lowering/src/expr.rs
View file

@ -289,6 +289,13 @@ impl<'hir> LoweringContext<'_, 'hir> {
hir::ExprKind::InlineAsm(self.lower_inline_asm(e.span, asm))
}
ExprKind::FormatArgs(fmt) => self.lower_format_args(e.span, fmt),
ExprKind::OffsetOf(container, fields) => hir::ExprKind::OffsetOf(
self.lower_ty(
container,
&mut ImplTraitContext::Disallowed(ImplTraitPosition::OffsetOf),
),
self.arena.alloc_from_iter(fields.iter().map(|&ident| self.lower_ident(ident))),
),
ExprKind::Struct(se) => {
let rest = match &se.rest {
StructRest::Base(e) => Some(self.lower_expr(e)),

2
compiler/rustc_ast_lowering/src/lib.rs
View file

@ -283,6 +283,7 @@ enum ImplTraitPosition {
FieldTy,
Cast,
ImplSelf,
OffsetOf,
}
impl std::fmt::Display for ImplTraitPosition {
@ -313,6 +314,7 @@ impl std::fmt::Display for ImplTraitPosition {
ImplTraitPosition::FieldTy => "field types",
ImplTraitPosition::Cast => "cast types",
ImplTraitPosition::ImplSelf => "impl headers",
ImplTraitPosition::OffsetOf => "`offset_of!` params",
};
write!(f, "{name}")