int handle_ffidef(const char *buf)
{
int parsed_funnum;
unsigned char types[MAX_NUM_FFI_PARAMETERS];
int i = 0, j = 0;
long int val;
const char *numptr = buf;
memset(types, 0x00, sizeof(types));
char *endptr;
parsed_funnum = strtol(numptr, &endptr, 0);
if(endptr == numptr || !parsed_funnum)
return 0;
numptr++;
do {
val = strtol(numptr, &endptr, 0);
if(endptr == numptr)
return 0;
types[i] = val;
numptr = endptr + 1;
i++;
} while(i < sizeof(types) - 1 && (!i || val != 0));
output_nums(OPCODE_FFIDEF, parsed_funnum, types[0]);
for(j = 1; j < i; j += 4) {
output_char(types[j]);
if(j + 1 < i)
output_char(types[j + 1]);
else
output_char(0);
if(j + 2 < i)
output_char(types[j + 2]);
else
output_char(0);
if(j + 3 < i)
output_char(types[j + 3]);
else
output_char(0);
}
output_until_space(numptr, 0);
sync_output();
reset_labels();
return 1;
}
int main(int argc, char** argv) {
if (argc!=3) {
fprintf(stderr, "Usage: flip input ouptut\n");
return 1;
}
FILE* fi=fopen(argv[1],"r");
FILE* fo=fopen(argv[2],"w");
if (!fi || !fo) {
fprintf(stderr, "Unable to open file\n");
return 2;
}
int howmany=0; // how many numbers in the array?
int* nums=read_nums_presize(fi, &howmany);
output_nums(fo, nums, howmany);
if (nums!=0) {
free(nums);
}
fclose(fi);
fclose(fo);
return 0;
}
int main(int argc, char **argv)
{
char buf[1024];
int fundef = 0;
interactive = argc > 1 && !strncmp(argv[1], "-i", 2);
reset_labels();
if(!interactive) {
int lib_index = 1;
output_magic();
output_version();
for(lib_index = 1; lib_index < MAX_NUM_LIBS && lib_index < argc;
lib_index++) {
output_until_space(argv[lib_index], 1);
output_header(' ');
}
output_header('\0');
}
while(1) {
int emptyline;
if(interactive) {
printf(">>> ");
fflush(stdout);
}
emptyline = (fgets(buf, 1024, stdin) == NULL);
if(!interactive && emptyline)
break;
if(buf[0] == ':') {
if(buf[1] >= 'a' && buf[1] <= 'z') {
labels[buf[1] - 'a'] = current_addr;
}
}
else if(!strncmp(buf, "ADD", 3)) {
output(OPCODE_ADD);
}
else if(!strncmp(buf, "SUB", 3)) {
output(OPCODE_SUB);
}
else if(!strncmp(buf, "MUL", 3)) {
output(OPCODE_MUL);
}
else if(!strncmp(buf, "DIV", 3)) {
output(OPCODE_DIV);
}
else if(!strncmp(buf, "LT", 2)) {
output(OPCODE_LT);
}
else if(!strncmp(buf, "LE", 2)) {
output(OPCODE_LE);
}
else if(!strncmp(buf, "EQ", 2)) {
output(OPCODE_EQ);
}
else if(!strncmp(buf, "DUP", 3)) {
output(OPCODE_DUP);
}
else if(!strncmp(buf, "DROP", 4)) {
output(OPCODE_DROP);
}
else if(!strncmp(buf, "NOP", 3)) {
output(OPCODE_NOP);
}
else if(!strncmp(buf, "SWAP", 4)) {
output(OPCODE_SWAP);
}
else if(!strncmp(buf, "NEW", 3)) {
output(OPCODE_NEW);
}
else if(!strncmp(buf, "RSTORE", 6)) {
output(OPCODE_RSTORE);
}
else if(!strncmp(buf, "RLOAD", 4)) {
output(OPCODE_RLOAD);
}
else if(!strncmp(buf, "END_THUNK", 9)) {
output(OPCODE_END_THUNK);
}
else if(output_offset(buf, "BR", OPCODE_BRANCH));
else if(output_offset(buf, "BRNZ", OPCODE_BRANCHNZ));
else if(output_offset(buf, "THUNK", OPCODE_START_THUNK));
else if(!strncmp(buf, "FUNCALL ", 8)) {
int succ;
long int parsed_num = getnum(buf + 8, &succ);
if(!succ)
fprintf(stderr, "?\n");
else {
output_num(OPCODE_CALLFUN, parsed_num);
}
}
else if(!strncmp(buf, "FUNPCALL", 8)) {
output(OPCODE_CALLPFUN);
}
else if(!strncmp(buf, "FUNDEF ", 7)) {
if(fundef) {
fprintf(stderr, "?\n");
}
else {
int parsed_funnum, parsed_params;
int succ = get_two_nums(buf + 7, &parsed_funnum, &parsed_params);
if(!succ)
fprintf(stderr, "?\n");
else {
output_nums(OPCODE_DEFUN_START, parsed_params, parsed_funnum);
fundef = 1;
reset_labels();
}
}
}
else if(!strncmp(buf, "FUNEND", 6)) {
fundef = funend(OPCODE_DEFUN_END, fundef);
}
else if(!strncmp(buf, "RET0", 4)) {
fundef = funend(OPCODE_RET0, fundef);
}
else if(!strncmp(buf, "RET1", 4)) {
fundef = funend(OPCODE_RET1, fundef);
}
else if(!strncmp(buf, "LOAD ", 5)) {
int succ;
long int parsed_num = getnum(buf + 5, &succ);
if(!succ)
fprintf(stderr, "?\n");
else
output_num(OPCODE_LOAD, parsed_num);
}
else if(!strncmp(buf, "FFIDEF ", 7)) {
if(fundef) {
fprintf(stderr, "?\n");
}
else {
int succ = handle_ffidef(buf + 7);
if(!succ) {
fprintf(stderr, "FFIDEF?\n");
}
}
}
else if(buf[0] == 'f') {
int succ;
long int parsed_num = getnum(buf + 1, &succ);
if(!succ)
fprintf(stderr, "?\n");
else
output_num(OPCODE_PFUN_ID, parsed_num);
}
else if(buf[0] == '-' || isdigit(buf[0])) {
int succ;
long int parsed_num = getnum(buf, &succ);
if(!succ)
fprintf(stderr, "?\n");
else
output_num(OPCODE_INT, parsed_num);
}
else if(interactive && !strncmp(buf, "run", 3)) {
parse_buffer(interactive_buffer,
interactive_bufferpos);
}
else if(buf[0]) {
fprintf(stderr, "?\n");
}
}
return 0;
}