private expression_node find_operator(SyntaxTree.Operators ot, expression_node expr, location loc)
{
string name = name_reflector.get_name(ot);
//#if (DEBUG)
if (name == null)
{
if (ot == PascalABCCompiler.SyntaxTree.Operators.AddressOf)
{
if (expr.is_addressed == false)
{
AddError(expr.location, "CAN_NOT_GET_ADDRESS_FROM_EXPRESSION");
}
expression_node res = new get_addr_node(expr, loc);
return res;
}
if (ot == PascalABCCompiler.SyntaxTree.Operators.Dereference)
{
}
throw new CompilerInternalError("Invalid operator name");
}
//#endif
SymbolInfo si = expr.type.find(name, context.CurrentScope);
if (si == null || si.sym_info is wrapped_definition_node)
{
AddError(new OperatorCanNotBeAppliedToThisType(name, expr));
}
expressions_list pars = new expressions_list();
pars.AddElement(expr);
function_node fn = convertion_data_and_alghoritms.select_function(pars, si, loc);
expr = pars[0];
if (fn == null)
{
AddError(new OperatorCanNotBeAppliedToThisType(name, expr));
}
#if (DEBUG)
convertion_data_and_alghoritms.check_operator(fn);
#endif
expression_node exp_node = convertion_data_and_alghoritms.create_simple_function_call(fn, loc, expr);
return exp_node;
}
private void VisitGetAddrNode(get_addr_node en)
{
VisitExpression(en.addr_of);
}
public override void visit(SyntaxTree.get_address _get_address)
{
expression_node exp = convert_strong(_get_address.address_of);
if (!exp.is_addressed)
{
AddError(exp.location, "CAN_NOT_GET_ADDRESS_FROM_EXPRESSION");
}
expression_node res = new get_addr_node(exp, get_location(_get_address));
return_value(res);
}