diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/go/gofrontend/parse.cc | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/go/gofrontend/parse.cc b/gcc/go/gofrontend/parse.cc index 76dd9d0..3f783b1 100644 --- a/gcc/go/gofrontend/parse.cc +++ b/gcc/go/gofrontend/parse.cc @@ -656,6 +656,23 @@ Parse::channel_type() this->advance_token(); } } + + // Better error messages for the common error of omitting the + // channel element type. + if (!this->type_may_start_here()) + { + token = this->peek_token(); + if (token->is_op(OPERATOR_RCURLY)) + error_at(this->location(), "unexpected %<}%> in channel type"); + else if (token->is_op(OPERATOR_RPAREN)) + error_at(this->location(), "unexpected %<)%> in channel type"); + else if (token->is_op(OPERATOR_COMMA)) + error_at(this->location(), "unexpected comma in channel type"); + else + error_at(this->location(), "expected channel element type"); + return Type::make_error_type(); + } + Type* element_type = this->type(); return Type::make_channel_type(send, receive, element_type); } |