diff options
Diffstat (limited to 'gcc/rust/expand/rust-macro-builtins-format-args.cc')
| -rw-r--r-- | gcc/rust/expand/rust-macro-builtins-format-args.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/rust/expand/rust-macro-builtins-format-args.cc b/gcc/rust/expand/rust-macro-builtins-format-args.cc index 8eb32d5..3e1249d 100644 --- a/gcc/rust/expand/rust-macro-builtins-format-args.cc +++ b/gcc/rust/expand/rust-macro-builtins-format-args.cc @@ -55,6 +55,8 @@ format_args_parse_arguments (AST::MacroInvocData &invoc) if (parser.peek_current_token ()->get_id () == STRING_LITERAL) format_expr = parser.parse_literal_expr (); + rust_assert (format_expr); + // TODO(Arthur): Clean this up - if we haven't parsed a string literal but a // macro invocation, what do we do here? return a tl::unexpected? auto format_str = static_cast<AST::LiteralExpr &> (*format_expr) @@ -81,6 +83,11 @@ format_args_parse_arguments (AST::MacroInvocData &invoc) { parser.skip_token (COMMA); + // Check in case of an extraneous comma in the args list, which is + // allowed - format_args!("fmt", arg, arg2,) + if (parser.peek_current_token ()->get_id () == last_token_id) + break; + if (parser.peek_current_token ()->get_id () == IDENTIFIER && parser.peek (1)->get_id () == EQUAL) { |