diff options
Diffstat (limited to 'gcc/rust/parse/rust-parse-impl.h')
-rw-r--r-- | gcc/rust/parse/rust-parse-impl.h | 37 |
1 files changed, 31 insertions, 6 deletions
diff --git a/gcc/rust/parse/rust-parse-impl.h b/gcc/rust/parse/rust-parse-impl.h index d6b045b..c9dbee2 100644 --- a/gcc/rust/parse/rust-parse-impl.h +++ b/gcc/rust/parse/rust-parse-impl.h @@ -6348,8 +6348,16 @@ Parser<ManagedTokenSource>::parse_let_stmt (AST::AttrVec outer_attrs, } if (restrictions.consume_semi) - if (!skip_token (SEMICOLON)) - return nullptr; + { + // `stmt` macro variables are parsed without a semicolon, but should be + // parsed as a full statement when interpolated. This should be handled + // by having the interpolated statement be distinguishable from normal + // tokens, e.g. by NT tokens. + if (restrictions.allow_close_after_expr_stmt) + maybe_skip_token (SEMICOLON); + else if (!skip_token (SEMICOLON)) + return nullptr; + } return std::unique_ptr<AST::LetStmt> ( new AST::LetStmt (std::move (pattern), std::move (expr), std::move (type), @@ -7289,10 +7297,27 @@ Parser<ManagedTokenSource>::parse_expr_stmt (AST::AttrVec outer_attrs, if (restrictions.consume_semi) { - if (skip_token (SEMICOLON)) - has_semi = true; - else if (expr->is_expr_without_block ()) - return nullptr; + if (maybe_skip_token (SEMICOLON)) + { + has_semi = true; + } + else if (!expr->is_expr_without_block ()) + { + if (restrictions.allow_close_after_expr_stmt) + { + TokenId id = lexer.peek_token ()->get_id (); + if (id != RIGHT_PAREN && id != RIGHT_CURLY && id != RIGHT_SQUARE) + { + expect_token (SEMICOLON); + return nullptr; + } + } + else + { + expect_token (SEMICOLON); + return nullptr; + } + } } return std::unique_ptr<AST::ExprStmt> ( |