std::unique_ptr<Expression> AnonymousFuncDeclarationParser::parse(ElsaParser* parser)
{
auto func_dec_exp = FuncParserHelper::parse_signature(parser, true, nullptr);
func_dec_exp->set_parent_scope(parser->current_scope());
parser->push_new_scope(func_dec_exp.get());
for (auto& arg : func_dec_exp->get_args())
{
parser->current_scope()->add_arg(arg->get_name(), arg->get_type());
}
parser->consume(TokenType::Equals);
parser->consume(TokenType::GreaterThan);
parser->consume(TokenType::LBracket);
while (parser->current_token()->get_type() != TokenType::RBracket)
{
func_dec_exp->add_body_expression(parser->parse_expression());
}
if (!parser->type_checker().return_type_match(func_dec_exp.get()))
throw ParsingException(L"Return type mismatch in function '" + func_dec_exp->get_name() + L"'", parser->current_token());
parser->pop_current_scope();
parser->consume(TokenType::RBracket);
// If the function is passed directly no semi colon should be specified
if(parser->current_token()->get_type() == TokenType::Semicolon)
parser->consume(TokenType::Semicolon);
return std::move(func_dec_exp);
}
void template_stack::push()
{
template_scope const& old_front = scopes.front();
scopes.push_front(template_scope());
set_parent_scope(old_front);
}
