C++ (Cpp) get_register_by_name_next Examples

Example #1

File: assem.c Project: kierenj/DCPUToolchain

struct process_parameter_results process_address(struct ast_node_address* param)
{
	struct process_parameter_results result;
	struct register_mapping* registr;
	bstring btmp = NULL;
	result.v_raw = NULL;
	
	if (param->value != NULL)
		btmp = expr_representation(param->value);

	if (param->bracketed && param->added)
	{
		// This is of the form [0x1000+I].
		registr = get_register_by_name_next(param->addcmpt);

		if (registr == NULL)
		{
			// Attempt to use a label in brackets that can't be.
			fprintf(stderr, "\n");
			ahalt(ERR_NEXTED_LABEL_UNSUPPORTED, param->addcmpt);
		}
		else if (registr->value == VALUE_NEXT_UNSUPPORTED)
		{
			// Attempt to use a register in brackets that can't be.
			fprintf(stderr, "\n");
			ahalt(ERR_NEXTED_REGISTER_UNSUPPORTED, param->addcmpt);
		}

		fprintf(stderr, "[%s+%s]", btmp->data, registr->name);
		result.v = registr->value;
		result.v_extra = param->value;
		result.v_extra_used = true;
		result.v_label = NULL;
	}
	else
	{
		// This is either the form 0x1000 or [0x1000].
		if (param->bracketed)
		{
			fprintf(stderr, "[%s]", btmp->data);
			result.v = NXT;
		}
		else
		{
			fprintf(stderr, "%s", btmp->data);
			result.v = NXT_LIT;
		}

		result.v_extra = param->value;
		result.v_extra_used = true;
		result.v_label = NULL;
	}
	
	if (btmp != NULL)
		bdestroy(btmp);
	
	return result;
}

Example #2

File: assem.c Project: jathd/DCPUToolchain

struct process_parameter_results process_address(struct ast_node_address* param)
{
    struct process_parameter_results result;
    struct register_mapping* registr;
    bstring btmp = NULL;
    result.v_raw = NULL;

    if (param->value != NULL)
        btmp = expr_representation(param->value);

    if (param->bracketed && param->added)
    {
        // This is of the form [0x1000+I].
        registr = get_register_by_name_next(param->addcmpt);

        if (registr == NULL)
        {
            // Attempt to use a label in square brackets.  Convert this
            // to an expression and then reinvoke ourselves with the
            // evaluated value.
            param->value = expr_new(expr_new_label(bautofree(bfromcstr(param->addcmpt))), EXPR_OP_ADD, param->value);
            param->addcmpt = "";
            param->added = 0;
            param->bracketed = 0;

            bdestroy(btmp);
            return process_address(param);
        }
        else if (registr->value == VALUE_NEXT_UNSUPPORTED)
        {
            // Attempt to use a register in brackets that can't be.
            printd(LEVEL_VERBOSE, "\n");
            dhalt(ERR_NEXTED_REGISTER_UNSUPPORTED, param->addcmpt);
        }

        printd(LEVEL_VERBOSE, "[%s+%s]", btmp->data, registr->name);
        result.v = registr->value;
        result.v_extra = param->value;
        result.v_extra_used = true;
        result.v_label = NULL;
    }
    else
    {
        // This is either the form 0x1000 or [0x1000].
        if (param->bracketed)
        {
            printd(LEVEL_VERBOSE, "[%s]", btmp->data);
            result.v = NXT;
        }
        else
        {
            printd(LEVEL_VERBOSE, "%s", btmp->data);
            result.v = NXT_LIT;
        }

        result.v_extra = param->value;
        result.v_extra_used = true;
        result.v_label = NULL;
    }

    if (btmp != NULL)
        bdestroy(btmp);

    return result;
}