int check_len(int f, char *str, int pos)
{
if (f == 5)
{
if (ft_strlen(str) >= PROG_NAME_LENGTH)
asm_error(NM_TOO_LONG, 0, pos);
}
if (f == 8)
{
if (ft_strlen(str) >= COMMENT_LENGTH)
asm_error(CMT_TOO_LONG, 0, pos);
}
return (OK);
}
//done
FILE *open_write_or_error (char* file_name) {
FILE* fw = fopen(file_name,"w");
if(fw == NULL){
asm_error(ERR_OPEN_WRITE,file_name);
}
return fw;
}
//done
FILE *open_read_or_error (char* file_name) {
FILE* fp = fopen(file_name,"r");
if(fp == NULL){
asm_error(ERR_OPEN_READ, file_name);
}
return fp;
}
//done
int get_reg_or_error (char *token) {
int get = util_get_reg(token);
if(get == -1){
asm_error(ERR_EXPECTED_REG,token);
}
return get;
}
//done
void get_immediate_or_error (char* token, int width, int isSigned) {
//field fits
//value widith issighned
int value = 0;
int bob = lc3_get_int(token,&value);
if(!bob)
asm_error(ERR_BAD_IMM,token);
if(fieldFits (value,width,isSigned) != 0){
//set something equal to it
currInfo -> immediate = value;
}
else{
asm_error(ERR_EXPECT_REG_IMM);
}
}
//done
char* check_for_label (char* token) {
if(util_get_opcode (token) == -1){
//if it is then is it a vaild label?
if(util_is_valid_label(token)){
//if it is a vaild label add that shit
//return the next token broski
//fprintf(stderr, "adding symbol: %s\n",token);
if(symbol_add(lc3_sym_tab,token,currAddr) == 0){
asm_error(ERR_DUPLICATE_LABEL,token);
}
return next_token();
} else{
//damn that shit anint wokring right
asm_error(ERR_BAD_LABEL,token);
}
}
return token;
}
int find_quote(char *str, int pos)
{
int i;
int len;
i = 0;
len = ft_strlen(str);
if (str[i++] != '"')
asm_error(ERR_SYNTAX, 0, pos);
while (str[i])
{
if (str[i] == ';')
asm_error(U_STRING, 0, pos);
if (str[i] == '"' && i != len - 1)
asm_error(ERR_SYNTAX, i, pos);
i++;
}
return (OK);
}
//done
void get_PC_offset_or_error (char* token) {
//PCoffset..
printf("TOKEN %s\n",token);
if(util_is_valid_label(token) != 0){
currInfo -> reference = strdup(token);
}
else{
asm_error(ERR_BAD_LABEL,token);
}
}
/** @todo implement this function */
void encode_PC_offset_or_error (int width) {
printf("REFERENCE: %s\n",currInfo->reference);
symbol_t* symbol = symbol_find_by_name (lc3_sym_tab, currInfo->reference);
printf("SYMBOL: %s,%d\n",symbol->name,symbol->addr);
if(symbol != NULL){
int offset = symbol->addr-currInfo->address-1;
int whatever = fieldFits(offset,width,1);
if(whatever == 1){
currInfo -> machineCode = setField(currInfo->machineCode,width-1,0,offset);
}
else{
asm_error(ERR_BAD_PCOFFSET,currInfo->reference);
}
}
}
//done
void get_comma_or_error (void) {
char* token = next_token();
if(strcasecmp(token,",") != 0){
asm_error(ERR_EXPECTED_COMMA);
}
}
