Message ID | 20240130121026.807464-23-arthur.cohen@embecosm.com |
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State | Unresolved |
Headers |
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Series |
[COMMITTED,001/101] gccrs: Add visibility to trait item
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Checks
Context | Check | Description |
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snail/gcc-patch-check | warning | Git am fail log |
Commit Message
Arthur Cohen
Jan. 30, 2024, 12:06 p.m. UTC
From: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com> Reject rust code with associated items on auto traits. gcc/rust/ChangeLog: * checks/errors/rust-ast-validation.cc (ASTValidation::visit): Add auto trait associated item check in AST validation pass. * parse/rust-parse-impl.h: Remove old error emission done during parsing pass. gcc/testsuite/ChangeLog: * rust/compile/auto_trait_invalid.rs: Update old test with updated error message. Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com> --- gcc/rust/checks/errors/rust-ast-validation.cc | 7 +++++++ gcc/rust/parse/rust-parse-impl.h | 12 ------------ gcc/testsuite/rust/compile/auto_trait_invalid.rs | 5 +++-- 3 files changed, 10 insertions(+), 14 deletions(-)
diff --git a/gcc/rust/checks/errors/rust-ast-validation.cc b/gcc/rust/checks/errors/rust-ast-validation.cc index aeae6035db8..673290959f4 100644 --- a/gcc/rust/checks/errors/rust-ast-validation.cc +++ b/gcc/rust/checks/errors/rust-ast-validation.cc @@ -109,6 +109,13 @@ ASTValidation::visit (AST::Trait &trait) rust_error_at (trait.get_type_param_bounds ()[0]->get_locus (), ErrorCode::E0568, "auto traits cannot have super traits"); + if (trait.has_trait_items ()) + { + rust_error_at (trait.get_identifier ().get_locus (), ErrorCode::E0380, + "auto traits cannot have methods or associated items"); + for (const auto &item : trait.get_trait_items ()) + Error::Hint (item->get_locus (), "remove this item").emit (); + } } AST::ContextualASTVisitor::visit (trait); diff --git a/gcc/rust/parse/rust-parse-impl.h b/gcc/rust/parse/rust-parse-impl.h index de17412c3b6..45c72e495c2 100644 --- a/gcc/rust/parse/rust-parse-impl.h +++ b/gcc/rust/parse/rust-parse-impl.h @@ -4989,18 +4989,6 @@ Parser<ManagedTokenSource>::parse_trait (AST::Visibility vis, return nullptr; } - if (is_auto_trait && !trait_items.empty ()) - { - add_error (Error (locus, ErrorCode::E0380, - "auto traits cannot have associated items")); - - // FIXME: unsure if this should be done at parsing time or not - for (const auto &item : trait_items) - add_error (Error::Hint (item->get_locus (), "remove this item")); - - return nullptr; - } - trait_items.shrink_to_fit (); return std::unique_ptr<AST::Trait> ( new AST::Trait (std::move (ident), is_unsafe, is_auto_trait, diff --git a/gcc/testsuite/rust/compile/auto_trait_invalid.rs b/gcc/testsuite/rust/compile/auto_trait_invalid.rs index 66e45531f5d..3be2acbb53b 100644 --- a/gcc/testsuite/rust/compile/auto_trait_invalid.rs +++ b/gcc/testsuite/rust/compile/auto_trait_invalid.rs @@ -2,7 +2,9 @@ #![feature(optin_builtin_traits)] -unsafe auto trait Invalid { // { dg-error "auto traits cannot have associated items" } +auto trait Invalid { + // { dg-error "auto traits cannot have methods or associated items" "" { target *-*-* } .-1 } + fn foo(); // { dg-message "remove this item" } fn bar() {} // { dg-message "remove this item" } @@ -13,4 +15,3 @@ unsafe auto trait Invalid { // { dg-error "auto traits cannot have associated it const BAR: i32 = 15; // { dg-message "remove this item" } } -// { dg-error "failed to parse item in crate" "" {target *-*-* } .+1 }