static ChimpRef *
_chimp_os_sleep (ChimpRef *ref, ChimpRef *args)
{
ChimpRef *duration = CHIMP_ARRAY_ITEM(args, 0);
if (duration == NULL) {
sleep (0);
}
else {
sleep ((time_t)CHIMP_INT(duration)->value);
}
return chimp_nil;
}
static ChimpRef *
assemble_module (const char *filename)
{
char buf[8192];
ChimpRef *code;
ChimpRef *mod;
ChimpRef *method;
FILE *stream = fopen (filename, "r");
if (stream == NULL) {
fprintf (stderr, "error: failed to open %s\n", filename);
return NULL;
}
code = chimp_code_new ();
if (code == NULL) {
fprintf (stderr, "error: failed to allocate code object\n");
return NULL;
}
while (!feof (stream)) {
const char *ptr;
ChimpRef *opname;
ChimpOpcode opcode;
if (fgets (buf, sizeof(buf)-1, stream) == NULL) {
break;
}
ptr = buf;
_skip_whitespace (&ptr);
if (!*ptr) continue;
if (*ptr == '#') continue;
if (!_parse_name (&ptr, &opname)) {
fprintf (stderr, "error: expected name\n");
goto error;
}
opcode = _str_to_opcode (CHIMP_STR_DATA (opname));
switch (opcode) {
case CHIMP_OPCODE_PUSHNIL:
{
if (!chimp_code_pushnil (code)) {
goto error;
}
break;
}
case CHIMP_OPCODE_DUP:
{
if (!chimp_code_dup (code)) {
goto error;
}
break;
}
case CHIMP_OPCODE_NOT:
{
if (!chimp_code_not (code)) {
goto error;
}
break;
}
case CHIMP_OPCODE_RET:
{
if (!chimp_code_ret (code)) {
goto error;
}
break;
}
case CHIMP_OPCODE_SPAWN:
{
if (!chimp_code_spawn (code)) {
goto error;
}
break;
}
case CHIMP_OPCODE_MAKEARRAY:
{
ChimpRef *nargs;
if (!_parse_const_int (&ptr, &nargs)) {
goto error;
}
if (!chimp_code_makearray (
code, CHIMP_INT(nargs)->value)) {
goto error;
}
break;
}
case CHIMP_OPCODE_MAKECLOSURE:
{
if (!chimp_code_makeclosure (code)) {
goto error;
}
break;
}
case CHIMP_OPCODE_POP:
{
if (!chimp_code_pop (code)) {
goto error;
}
break;
}
case CHIMP_OPCODE_PUSHNAME:
{
ChimpRef *name;
if (!_parse_name (&ptr, &name)) {
goto error;
}
if (!chimp_code_pushname (code, name)) {
goto error;
}
break;
}
case CHIMP_OPCODE_STORENAME:
{
ChimpRef *name;
if (!_parse_name (&ptr, &name)) {
goto error;
}
if (!chimp_code_storename (code, name)) {
goto error;
}
break;
}
case CHIMP_OPCODE_GETATTR:
{
ChimpRef *name;
if (!_parse_name (&ptr, &name)) {
goto error;
}
if (!chimp_code_getattr (code, name)) {
goto error;
}
break;
}
case CHIMP_OPCODE_GETITEM:
{
if (!chimp_code_getitem (code)) {
goto error;
}
break;
}
case CHIMP_OPCODE_PUSHCONST:
{
ChimpRef *value;
if (!_parse_const (&ptr, &value)) {
goto error;
}
if (!chimp_code_pushconst (code, value)) {
goto error;
}
break;
}
case CHIMP_OPCODE_ADD:
{
if (!chimp_code_add (code)) {
goto error;
}
break;
}
case CHIMP_OPCODE_SUB:
{
if (!chimp_code_sub (code)) {
goto error;
}
break;
}
case CHIMP_OPCODE_MUL:
{
if (!chimp_code_mul (code)) {
goto error;
}
break;
}
case CHIMP_OPCODE_DIV:
{
if (!chimp_code_div (code)) {
goto error;
}
break;
}
case CHIMP_OPCODE_GETCLASS:
{
if (!chimp_code_getclass (code)) {
goto error;
}
break;
}
case CHIMP_OPCODE_CALL:
{
ChimpRef *nargs;
if (!_parse_const_int (&ptr, &nargs)) {
goto error;
}
if (!chimp_code_call (
code, (uint8_t) CHIMP_INT(nargs)->value)) {
goto error;
}
break;
}
default:
fprintf (stderr, "error: unknown or unsupported opname: %s\n", CHIMP_STR_DATA (opname));
goto error;
};
_skip_whitespace (&ptr);
if (*ptr) {
fprintf (stderr,
"error: too many arguments for op: %s\n", CHIMP_STR_DATA(opname));
goto error;
}
}
fclose (stream);
/* printf ("%s\n", CHIMP_STR_DATA (chimp_code_dump (code))); */
mod = chimp_module_new_str ("main", NULL);
if (mod == NULL) {
return NULL;
}
method = chimp_method_new_bytecode (mod, code);
if (method == NULL) {
return NULL;
}
if (!chimp_module_add_local (mod, CHIMP_STR_NEW("main"), method)) {
return NULL;
}
return mod;
error:
fclose (stream);
return NULL;
}
