static int parse_unary(struct _asm_context *asm_context, int64_t *num, int operation)
{
char token[TOKENLEN];
int token_type;
int64_t temp;
struct _var var;
var_set_int(&var, 0);
token_type = tokens_get(asm_context, token, TOKENLEN);
//printf("parse_unary: %s token_type=%d(%d)\n", token, token_type, TOKEN_NUMBER);
if (IS_TOKEN(token,'-'))
{
if (parse_unary(asm_context, &temp, OPER_MINUS) == -1) { return -1; }
}
else
if (IS_TOKEN(token,'~'))
{
if (parse_unary(asm_context, &temp, OPER_NOT) != 0) { return -1; }
}
else
if (token_type == TOKEN_NUMBER)
{
temp = atoll(token);
}
else
if (IS_TOKEN(token, '('))
{
if (eval_expression_ex(asm_context, &var) != 0) { return -1; }
if (var.type != VAR_INT)
{
print_error("Non-integer number in expression", asm_context);
return -1;
}
temp = var_get_int64(&var);
token_type = tokens_get(asm_context, token, TOKENLEN);
if (IS_NOT_TOKEN(token,')'))
{
print_error_unexp(token, asm_context);
return -1;
}
}
else
{
print_error_unexp(token, asm_context);
return -1;
}
if (operation == OPER_NOT) { *num = ~temp; }
else if (operation == OPER_MINUS) { *num = -temp; }
else { print_error_internal(NULL, __FILE__, __LINE__); return -1; }
return 0;
}
int memory_get_page_address_max(struct _memory *memory, uint32_t address)
{
struct _memory_page *page;
page = memory->pages;
while(page != NULL)
{
if (address >= page->address && address < page->address + PAGE_SIZE)
{
return page->address + page->offset_max;
}
page = page->next;
}
print_error_internal(NULL, __FILE__, __LINE__);
return 0;
}