/*----------------------------------------------------------------------------*/
PmReturn_t
tres_pm_get_state(pPmFrame_t *ppframe)
{
PmReturn_t retv = PM_RET_OK;
pPmObj_t pobj;
pPmObj_t pobj_new;
pPmInstance_t pcli;
pPmDict_t pdict;
int16_t index;
float fval;
int32_t ival;
if(NATIVE_GET_NUM_ARGS() != 1) {
PM_RAISE(retv, PM_RET_EX_TYPE);
return retv;
}
pobj = NATIVE_GET_LOCAL(0);
if(OBJ_GET_TYPE(pobj) != OBJ_TYPE_CLI) {
PM_RAISE(retv, PM_RET_EX_TYPE);
return retv;
}
pcli = (pPmInstance_t)pobj;
pdict = pcli->cli_attrs;
if(*tres_pm_io.state_len > 0) {
// restore each attribute of the object
for(index = pdict->length - 1; index >= 0; index--) {
seglist_getItem(pdict->d_keys, index, &pobj);
retv = seglist_getItem(pdict->d_vals, index, &pobj);
PM_RETURN_IF_ERROR(retv);
switch (OBJ_GET_TYPE(pobj)) {
case OBJ_TYPE_INT:
//pop int
pop_int(&ival);
retv = int_new(ival, &pobj_new);
break;
case OBJ_TYPE_FLT:
//pop float
pop_float(&fval);
retv = float_new(fval, &pobj_new);
break;
default:
/* Raise TypeError */
PM_RAISE(retv, PM_RET_EX_TYPE);
}
if (retv == PM_RET_OK) {
seglist_setItem(pdict->d_vals, pobj_new, index);
}
}
}
NATIVE_SET_TOS((pPmObj_t)pcli);
return retv;
}
PmReturn_t
obj_repr(pPmObj_t pobj, pPmObj_t *r_pstr)
{
uint8_t tBuffer[32];
PmReturn_t retval = PM_RET_OK;
uint8_t const *pcstr = (uint8_t *)tBuffer;;
C_ASSERT(pobj != C_NULL);
switch (OBJ_GET_TYPE(pobj))
{
case OBJ_TYPE_INT:
retval = sli_ltoa10(((pPmInt_t)pobj)->val, tBuffer, sizeof(tBuffer));
PM_RETURN_IF_ERROR(retval);
retval = string_new(&pcstr, r_pstr);
break;
#ifdef HAVE_FLOAT
case OBJ_TYPE_FLT:
/* #212: Use homebrew float formatter */
retval = sli_ftoa(((pPmFloat_t)pobj)->val, tBuffer, sizeof(tBuffer));
sli_strlen((char *)tBuffer);
retval = string_new(&pcstr, r_pstr);
break;
#endif /* HAVE_FLOAT */
default:
/* Otherwise raise a TypeError */
PM_RAISE(retval, PM_RET_EX_TYPE);
break;
}
return retval;
}
PmReturn_t
float_print(pPmObj_t pf)
{
uint8_t tBuffer[32];
uint8_t bytesWritten;
uint8_t i;
PmReturn_t retval = PM_RET_OK;
C_ASSERT(pf != C_NULL);
/* Raise TypeError if obj is not an float */
if (OBJ_GET_TYPE(pf) != OBJ_TYPE_FLT)
{
PM_RAISE(retval, PM_RET_EX_TYPE);
return retval;
}
/* #196: Changed to use snprintf */
bytesWritten = snprintf((char *)&tBuffer, 32, "%f", ((pPmFloat_t) pf)->val);
/* Sanity check */
C_ASSERT(bytesWritten != 0);
C_ASSERT(bytesWritten < sizeof(tBuffer));
for (i = (uint8_t)0; i < bytesWritten; i++)
{
retval = plat_putByte(tBuffer[i]);
PM_RETURN_IF_ERROR(retval);
}
return PM_RET_OK;
}
PmReturn_t
thread_new(pPmObj_t pframe, pPmObj_t *r_pobj)
{
PmReturn_t retval = PM_RET_OK;
pPmThread_t pthread = C_NULL;
C_ASSERT(pframe != C_NULL);
/* If it's not a frame, raise TypeError */
if (OBJ_GET_TYPE(pframe) != OBJ_TYPE_FRM)
{
PM_RAISE(retval, PM_RET_EX_TYPE);
return retval;
}
/* Allocate a thread */
retval = heap_getChunk(sizeof(PmThread_t), (uint8_t **)r_pobj);
PM_RETURN_IF_ERROR(retval);
/* Set type, frame and initialize status */
pthread = (pPmThread_t)*r_pobj;
OBJ_SET_TYPE(pthread, OBJ_TYPE_THR);
pthread->pframe = (pPmFrame_t)pframe;
pthread->interpctrl = INTERP_CTRL_CONT;
return retval;
}
PmReturn_t
mod_new(pPmObj_t pco, pPmObj_t *pmod)
{
PmReturn_t retval;
uint8_t *pchunk;
pPmObj_t pobj;
/* If it's not a code obj, raise TypeError */
if (OBJ_GET_TYPE(pco) != OBJ_TYPE_COB)
{
PM_RAISE(retval, PM_RET_EX_TYPE);
return retval;
}
/* Alloc and init func obj */
retval = heap_getChunk(sizeof(PmFunc_t), &pchunk);
PM_RETURN_IF_ERROR(retval);
*pmod = (pPmObj_t)pchunk;
OBJ_SET_TYPE(*pmod, OBJ_TYPE_MOD);
((pPmFunc_t)*pmod)->f_co = (pPmCo_t)pco;
/* Alloc and init attrs dict */
retval = dict_new(&pobj);
((pPmFunc_t)*pmod)->f_attrs = (pPmDict_t)pobj;
/* A module's globals is the same as its attrs */
((pPmFunc_t)*pmod)->f_globals = (pPmDict_t)pobj;
return retval;
}
PmReturn_t
dict_clear(pPmObj_t pdict)
{
PmReturn_t retval = PM_RET_OK;
C_ASSERT(pdict != C_NULL);
/* Raise TypeError if arg is not a dict */
if (OBJ_GET_TYPE(pdict) != OBJ_TYPE_DIC)
{
PM_RAISE(retval, PM_RET_EX_TYPE);
return retval;
}
/* clear length */
((pPmDict_t)pdict)->length = 0;
/* Free the keys and values seglists if needed */
if (((pPmDict_t)pdict)->d_keys != C_NULL)
{
PM_RETURN_IF_ERROR(seglist_clear(((pPmDict_t)pdict)->d_keys));
PM_RETURN_IF_ERROR(heap_freeChunk((pPmObj_t)
((pPmDict_t)pdict)->d_keys));
((pPmDict_t)pdict)->d_keys = C_NULL;
}
if (((pPmDict_t)pdict)->d_vals != C_NULL)
{
PM_RETURN_IF_ERROR(seglist_clear(((pPmDict_t)pdict)->d_vals));
retval = heap_freeChunk((pPmObj_t)((pPmDict_t)pdict)->d_vals);
((pPmDict_t)pdict)->d_vals = C_NULL;
}
return retval;
}
PmReturn_t
seqiter_getNext(pPmObj_t pobj, pPmObj_t *r_pitem)
{
PmReturn_t retval;
int16_t length;
C_ASSERT(pobj != C_NULL);
C_ASSERT(*r_pitem != C_NULL);
C_ASSERT(OBJ_GET_TYPE(pobj) == OBJ_TYPE_SQI);
/*
* Raise TypeError if sequence iterator's object is not a sequence
* otherwise, the get sequence's length
*/
retval = seq_getLength(((pPmSeqIter_t)pobj)->si_sequence, &length);
PM_RETURN_IF_ERROR(retval);
/* Raise StopIteration if at the end of the sequence */
if (((pPmSeqIter_t)pobj)->si_index == length)
{
/* Make null the pointer to the sequence */
((pPmSeqIter_t)pobj)->si_sequence = C_NULL;
PM_RAISE(retval, PM_RET_EX_STOP);
return retval;
}
/* Get the item at the current index */
retval = seq_getSubscript(((pPmSeqIter_t)pobj)->si_sequence,
((pPmSeqIter_t)pobj)->si_index, r_pitem);
/* Increment the index */
((pPmSeqIter_t)pobj)->si_index++;
return retval;
}
PmReturn_t
seqiter_new(pPmObj_t pobj, pPmObj_t *r_pobj)
{
PmReturn_t retval;
uint8_t *pchunk;
pPmSeqIter_t psi;
C_ASSERT(pobj != C_NULL);
C_ASSERT(*r_pobj != C_NULL);
/* Raise a TypeError if pobj is not a sequence */
if ((OBJ_GET_TYPE(pobj) != OBJ_TYPE_STR)
&& (OBJ_GET_TYPE(pobj) != OBJ_TYPE_TUP)
&& (OBJ_GET_TYPE(pobj) != OBJ_TYPE_LST))
{
PM_RAISE(retval, PM_RET_EX_TYPE);
return retval;
}
/* Alloc a chunk for the sequence iterator obj */
retval = heap_getChunk(sizeof(PmSeqIter_t), &pchunk);
PM_RETURN_IF_ERROR(retval);
/* Set the sequence iterator's fields */
psi = (pPmSeqIter_t)pchunk;
OBJ_SET_TYPE(psi, OBJ_TYPE_SQI);
psi->si_sequence = pobj;
psi->si_index = 0;
*r_pobj = (pPmObj_t)psi;
return retval;
}
/* Returns the length of the sequence */
PmReturn_t
seq_getLength(pPmObj_t pobj, int16_t *r_index)
{
PmReturn_t retval = PM_RET_OK;
switch (OBJ_GET_TYPE(pobj))
{
case OBJ_TYPE_STR:
*r_index = ((pPmString_t)pobj)->length;
break;
case OBJ_TYPE_TUP:
*r_index = ((pPmTuple_t)pobj)->length;
break;
case OBJ_TYPE_LST:
*r_index = ((pPmList_t)pobj)->length;
break;
default:
/* Raise TypeError, non-sequence object */
PM_RAISE(retval, PM_RET_EX_TYPE);
break;
}
return retval;
}
PmReturn_t
class_new(pPmObj_t pattrs, pPmObj_t pbases, pPmObj_t pname, pPmObj_t *r_pclass)
{
PmReturn_t retval = PM_RET_OK;
uint8_t *pchunk;
pPmObj_t pobj;
/* Ensure types */
if ((OBJ_GET_TYPE(pattrs) != OBJ_TYPE_DIC)
|| (OBJ_GET_TYPE(pbases) != OBJ_TYPE_TUP)
|| (OBJ_GET_TYPE(pname) != OBJ_TYPE_STR))
{
PM_RAISE(retval, PM_RET_EX_TYPE);
return retval;
}
/* Allocate a class obj */
retval = heap_getChunk(sizeof(PmClass_t), &pchunk);
PM_RETURN_IF_ERROR(retval);
pobj = (pPmObj_t)pchunk;
OBJ_SET_TYPE(pobj, OBJ_TYPE_CLO);
/* Class has no access to its CO */
((pPmClass_t)pobj)->cl_attrs = (pPmDict_t)pattrs;
((pPmClass_t)pobj)->cl_bases = (pPmTuple_t)pbases;
*r_pclass = pobj;
return retval;
}
PmReturn_t
dict_delItem(pPmObj_t pdict, pPmObj_t pkey)
{
PmReturn_t retval = PM_RET_OK;
int16_t indx = 0;
C_ASSERT(pdict != C_NULL);
/* Check for matching key */
retval = seglist_findEqual(((pPmDict_t)pdict)->d_keys, pkey, &indx);
/* Raise KeyError if key is not found */
if (retval == PM_RET_NO)
{
PM_RAISE(retval, PM_RET_EX_KEY);
}
/* Return any other error */
PM_RETURN_IF_ERROR(retval);
/* Remove the key and value */
retval = seglist_removeItem(((pPmDict_t)pdict)->d_keys, indx);
PM_RETURN_IF_ERROR(retval);
retval = seglist_removeItem(((pPmDict_t)pdict)->d_vals, indx);
/* Reduce the item count */
((pPmDict_t)pdict)->length--;
return retval;
}
/* Returns the object sequence[index] */
PmReturn_t
seq_getSubscript(pPmObj_t pobj, int16_t index, pPmObj_t *r_pobj)
{
PmReturn_t retval;
uint8_t c;
switch (OBJ_GET_TYPE(pobj))
{
case OBJ_TYPE_STR:
/* Adjust for negative index */
if (index < 0)
{
index += ((pPmString_t)pobj)->length;
}
/* Raise IndexError if index is out of bounds */
if ((index < 0) || (index > ((pPmString_t)pobj)->length))
{
PM_RAISE(retval, PM_RET_EX_INDX);
break;
}
/* Get the character from the string */
c = ((pPmString_t)pobj)->val[index];
/* Create a new string from the character */
retval = string_newFromChar(c, r_pobj);
break;
case OBJ_TYPE_TUP:
/* Get the tuple item */
retval = tuple_getItem(pobj, index, r_pobj);
break;
case OBJ_TYPE_LST:
/* Get the list item */
retval = list_getItem(pobj, index, r_pobj);
break;
default:
/* Raise TypeError, unsubscriptable object */
PM_RAISE(retval, PM_RET_EX_TYPE);
break;
}
return retval;
}
PmReturn_t
dict_getItem(pPmObj_t pdict, pPmObj_t pkey, pPmObj_t *r_pobj)
{
PmReturn_t retval = PM_RET_OK;
int16_t indx = 0;
/* C_ASSERT(pdict != C_NULL);*/
/* if it's not a dict, raise TypeError */
if (OBJ_GET_TYPE(pdict) != OBJ_TYPE_DIC)
{
PM_RAISE(retval, PM_RET_EX_TYPE);
return retval;
}
/* if dict is empty, raise KeyError */
if (((pPmDict_t)pdict)->length <= 0)
{
PM_RAISE(retval, PM_RET_EX_KEY);
return retval;
}
/* #147: Change boolean keys to integers */
if (pkey == PM_TRUE)
{
pkey = PM_ONE;
}
else if (pkey == PM_FALSE)
{
pkey = PM_ZERO;
}
/* check for matching key */
retval = seglist_findEqual(((pPmDict_t)pdict)->d_keys, pkey, &indx);
/* if key not found, raise KeyError */
if (retval == PM_RET_NO)
{
PM_RAISE(retval, PM_RET_EX_KEY);
}
/* return any other error */
PM_RETURN_IF_ERROR(retval);
/* key was found, get obj from vals */
retval = seglist_getItem(((pPmDict_t)pdict)->d_vals, indx, r_pobj);
return retval;
}
PmReturn_t
dict_update(pPmObj_t pdestdict, pPmObj_t psourcedict, uint8_t omit_underscored)
{
PmReturn_t retval = PM_RET_OK;
int16_t i;
pPmObj_t pkey;
pPmObj_t pval;
C_ASSERT(pdestdict != C_NULL);
C_ASSERT(psourcedict != C_NULL);
/* If it's not a dict, raise TypeError */
if (OBJ_GET_TYPE(pdestdict) != OBJ_TYPE_DIC)
{
PM_RAISE(retval, PM_RET_EX_TYPE);
return retval;
}
/* If it's not a dict, raise TypeError */
if (OBJ_GET_TYPE(psourcedict) != OBJ_TYPE_DIC)
{
PM_RAISE(retval, PM_RET_EX_TYPE);
return retval;
}
/* Iterate over the add-on dict */
for (i = 0; i < ((pPmDict_t)psourcedict)->length; i++)
{
/* Get the key,val from the add-on dict */
retval = seglist_getItem(((pPmDict_t)psourcedict)->d_keys, i, &pkey);
PM_RETURN_IF_ERROR(retval);
retval = seglist_getItem(((pPmDict_t)psourcedict)->d_vals, i, &pval);
PM_RETURN_IF_ERROR(retval);
if (!(omit_underscored && (OBJ_GET_TYPE(pkey) == OBJ_TYPE_STR)
&& ((pPmString_t)pkey)->val[0] == '_'))
{
/* Set the key,val to the destination dict */
retval = dict_setItem(pdestdict, pkey, pval);
PM_RETURN_IF_ERROR(retval);
}
}
return retval;
}
PmReturn_t
obj_loadFromImg(PmMemSpace_t memspace,
uint8_t const **paddr, pPmObj_t *r_pobj)
{
PmReturn_t retval = PM_RET_OK;
PmObj_t obj;
/* Get the object descriptor */
obj.od = (PmObjDesc_t)0x0000;
OBJ_SET_TYPE(&obj, mem_getByte(memspace, paddr));
switch (OBJ_GET_TYPE(&obj))
{
case OBJ_TYPE_NON:
/* If it's the None object, return global None */
*r_pobj = PM_NONE;
break;
case OBJ_TYPE_INT:
/* Read an integer and create an integer object with the value */
retval = int_new(mem_getInt(memspace, paddr), r_pobj);
break;
#ifdef HAVE_FLOAT
case OBJ_TYPE_FLT:
/* Read a float and create an float object with the value */
retval = float_new(mem_getFloat(memspace, paddr), r_pobj);
break;
#endif /* HAVE_FLOAT */
case OBJ_TYPE_STR:
retval = string_loadFromImg(memspace, paddr, r_pobj);
break;
case OBJ_TYPE_TUP:
retval = tuple_loadFromImg(memspace, paddr, r_pobj);
break;
case OBJ_TYPE_NIM:
/* If it's a native code img, load into a code obj */
retval = no_loadFromImg(memspace, paddr, r_pobj);
break;
case OBJ_TYPE_CIM:
/* If it's a code img, load into a code obj */
retval = co_loadFromImg(memspace, paddr, r_pobj);
break;
default:
/* All other types should not be in an img obj */
PM_RAISE(retval, PM_RET_EX_SYS);
break;
}
return retval;
}
PmReturn_t
mod_import(pPmObj_t pstr, pPmObj_t *pmod)
{
pPmImgInfo_t pii = C_NULL;
uint8_t const *imgaddr = C_NULL;
pPmCo_t pco = C_NULL;
PmReturn_t retval = PM_RET_OK;
pPmObj_t pobj;
/* If it's not a string obj, raise SyntaxError */
if (OBJ_GET_TYPE(pstr) != OBJ_TYPE_STR)
{
PM_RAISE(retval, PM_RET_EX_SYNTAX);
return retval;
}
/* Iterate through the global img list */
pii = gVmGlobal.pimglist;
/* Scan until end of list or string matches */
while ((pii != C_NULL)
&& (string_compare((pPmString_t)pstr, pii->ii_name) == C_DIFFER))
{
pii = pii->next;
}
/* If img was not found, raise ImportError */
if (pii == C_NULL)
{
PM_RAISE(retval, PM_RET_EX_IMPRT);
return retval;
}
/* Make copy of addr so image list pointer isn't modified */
imgaddr = pii->ii_addr;
/* Load img into code obj */
retval = obj_loadFromImg(pii->ii_memspace, &imgaddr, &pobj);
PM_RETURN_IF_ERROR(retval);
pco = (pPmCo_t)pobj;
return mod_new((pPmObj_t)pco, pmod);
}
/*----------------------------------------------------------------------------*/
PmReturn_t
tres_pm_state_pop(pPmFrame_t *ppframe)
{
PmReturn_t retv = PM_RET_OK;
pPmObj_t r_pflt;
pPmObj_t pa;
float fval;
int32_t ival;
int pop_retv;
/* Raise TypeError if wrong number of args */
pa = NATIVE_GET_LOCAL(0);
if(NATIVE_GET_NUM_ARGS() != 1) {
PM_RAISE(retv, PM_RET_EX_TYPE);
return retv;
}
switch (OBJ_GET_TYPE(pa)) {
//case OBJ_TYPE_STR:
// ptr = (char const *)&(((pPmString_t)pa)->val);
// // TODO: unimplemented
// break;
case OBJ_TYPE_INT:
pop_retv = pop_int(&ival);
if(pop_retv != TRES_ERR_NONE) {
ival = ((pPmInt_t) pa)->val;
}
retv = int_new(ival, &r_pflt);
break;
case OBJ_TYPE_FLT:
pop_retv = pop_float(&fval);
if(pop_retv != TRES_ERR_NONE) {
fval = ((pPmFloat_t) pa)->val;
}
retv = float_new(fval, &r_pflt);
break;
default:
/* Raise TypeError */
PM_RAISE(retv, PM_RET_EX_TYPE);
}
NATIVE_SET_TOS(r_pflt);
return retv;
}
/*----------------------------------------------------------------------------*/
PmReturn_t
tres_pm_set_output(pPmFrame_t *ppframe)
{
const char *ptr;
int32_t ival;
float fval;
PmReturn_t retv = PM_RET_OK;
pPmObj_t pa;
/* Raise TypeError if wrong number of args */
if(NATIVE_GET_NUM_ARGS() != 1) {
PM_RAISE(retv, PM_RET_EX_TYPE);
return retv;
}
pa = NATIVE_GET_LOCAL(0);
switch (OBJ_GET_TYPE(pa)) {
case OBJ_TYPE_STR:
ptr = (char const *)&(((pPmString_t) pa)->val);
snprintf(tres_pm_io.out, REST_MAX_CHUNK_SIZE, "%s", ptr);
break;
case OBJ_TYPE_INT:
ival = ((pPmInt_t) pa)->val;
snprintf(tres_pm_io.out, REST_MAX_CHUNK_SIZE, "%" PRId32, ival);
break;
case OBJ_TYPE_FLT:
fval = ((pPmFloat_t) pa)->val;
// we cannot use snprintf: float are not supported
//snprintf(tres_pm_io.out, REST_MAX_CHUNK_SIZE, "%f", fval);
//therefore we use pymite sli_ftoa, which, however requires a buffer => 15
if(REST_MAX_CHUNK_SIZE >= 15) {
sli_ftoa(fval, (uint8_t *)tres_pm_io.out, REST_MAX_CHUNK_SIZE);
}
break;
default:
/* Raise TypeError */
PM_RAISE(retv, PM_RET_EX_TYPE);
}
tres_pm_io.output_set = 1;
NATIVE_SET_TOS(PM_NONE);
return retv;
}
/*----------------------------------------------------------------------------*/
PmReturn_t
tres_pm_save_state(pPmFrame_t *ppframe)
{
PmReturn_t retv = PM_RET_OK;
pPmObj_t pobj;
pPmInstance_t pcli;
pPmDict_t pdict;
uint16_t index;
if(NATIVE_GET_NUM_ARGS() != 1) {
PM_RAISE(retv, PM_RET_EX_TYPE);
return retv;
}
pobj = NATIVE_GET_LOCAL(0);
if(OBJ_GET_TYPE(pobj) != OBJ_TYPE_CLI) {
PM_RAISE(retv, PM_RET_EX_TYPE);
return retv;
}
pcli = (pPmInstance_t)pobj;
pdict = pcli->cli_attrs;
// store each attribute of the object
for(index = 0; index < pdict->length; index++) {
seglist_getItem(pdict->d_keys, index, &pobj);
retv = seglist_getItem(pdict->d_vals, index, &pobj);
PM_RETURN_IF_ERROR(retv);
switch (OBJ_GET_TYPE(pobj)) {
case OBJ_TYPE_INT:
push_int(((pPmInt_t) pobj)->val);
break;
case OBJ_TYPE_FLT:
push_float(((pPmFloat_t) pobj)->val);
break;
}
}
NATIVE_SET_TOS(PM_NONE);
return retv;
}
/* Desktop target shall use stdio for I/O routines */
PmReturn_t plat_putByte(uint8_t b) {
int i;
PmReturn_t retval = PM_RET_OK;
i = putchar(b);
fflush(stdout);
if ((i != b) || (i == EOF))
{
PM_RAISE(retval, PM_RET_EX_IO);
}
return retval;
}
/*
* UART send char routine MUST send exactly and only the given char;
* it should not translate \n to \r\n.
* This is because the interactive interface uses binary transfers.
*/
PmReturn_t
plat_putByte(uint8_t b)
{
PmReturn_t retval = PM_RET_OK;
if(usb_serial_putchar(b) == 0)
{
return retval;
}
else
{
PM_RAISE(retval, PM_RET_EX_IO);
return retval;
}
}
PmReturn_t
nat_placeholder_func(pPmFrame_t *ppframe)
{
/*
* Use placeholder because an index
* value of zero denotes the stdlib.
* This function should not be called.
*/
PmReturn_t retval;
PM_RAISE(retval, PM_RET_EX_SYS);
return retval;
}
/*
* UART receive char routine MUST return exactly and only the received char;
* it should not translate \n to \r\n.
* This is because the interactive interface uses binary transfers.
*/
PmReturn_t
plat_getByte(uint8_t *b)
{
PmReturn_t retval = PM_RET_OK;
int c = usb_serial_getchar();
if(c == -1)
{
PM_RAISE(retval, PM_RET_EX_IO);
return retval;
}
*b = c;
return retval;
}
/*----------------------------------------------------------------------------*/
PmReturn_t
tres_pm_state_push(pPmFrame_t *ppframe)
{
//const char *ptr;
int32_t ival;
float fval;
PmReturn_t retv = PM_RET_OK;
pPmObj_t pa;
/* Raise TypeError if wrong number of args */
pa = NATIVE_GET_LOCAL(0);
if(NATIVE_GET_NUM_ARGS() != 1) {
PM_RAISE(retv, PM_RET_EX_TYPE);
return retv;
}
switch (OBJ_GET_TYPE(pa)) {
//case OBJ_TYPE_STR:
// ptr = (char const *)&(((pPmString_t)pa)->val);
// // TODO: unimplemented
// break;
case OBJ_TYPE_INT:
ival = ((pPmInt_t) pa)->val;
push_int(ival);
break;
case OBJ_TYPE_FLT:
fval = ((pPmFloat_t) pa)->val;
push_float(fval);
break;
default:
/* Raise TypeError */
PM_RAISE(retv, PM_RET_EX_TYPE);
}
NATIVE_SET_TOS(PM_NONE);
return retv;
}
PmReturn_t plat_getByte(uint8_t *b)
{
int c;
PmReturn_t retval = PM_RET_OK;
c = getchar();
*b = c & 0xFF;
if (c == EOF)
{
PM_RAISE(retval, PM_RET_EX_IO);
}
return retval;
}
/*
* Allocates chunk of memory.
* Filters out invalid sizes.
* Rounds the size up to the next multiple of 4.
* Obtains a chunk of at least the desired size.
*/
PmReturn_t
heap_getChunk(uint16_t requestedsize, uint8_t **r_pchunk)
{
PmReturn_t retval;
uint16_t adjustedsize;
/* Ensure size request is valid */
if (requestedsize > HEAP_MAX_LIVE_CHUNK_SIZE)
{
PM_RAISE(retval, PM_RET_EX_MEM);
return retval;
}
else if (requestedsize < HEAP_MIN_CHUNK_SIZE)
{
requestedsize = HEAP_MIN_CHUNK_SIZE;
}
/*
* Round up the size to a multiple of 4 bytes.
* This maintains alignment on 32-bit platforms (required).
*/
adjustedsize = ((requestedsize + 3) & ~3);
/* Attempt to get a chunk */
retval = heap_getChunkImpl(adjustedsize, r_pchunk);
#ifdef HAVE_GC
/* Perform GC if out of memory, gc is enabled and not in native session */
if ((retval == PM_RET_EX_MEM) && (pmHeap.auto_gc == C_TRUE)
&& (gVmGlobal.nativeframe.nf_active == C_FALSE))
{
retval = heap_gcRun();
PM_RETURN_IF_ERROR(retval);
/* Attempt to get a chunk */
retval = heap_getChunkImpl(adjustedsize, r_pchunk);
}
#endif /* HAVE_GC */
/* Ensure that the pointer is 4-byte aligned */
if (retval == PM_RET_OK)
{
C_ASSERT(((intptr_t)*r_pchunk & 3) == 0);
}
return retval;
}
/*
* Allocates chunk of memory.
* Filters out invalid sizes.
* Rounds the size up to the next multiple of 4.
* Obtains a chunk of at least the desired size.
*/
PmReturn_t
heap_getChunk(uint16_t requestedsize, uint8_t **r_pchunk)
{
PmReturn_t retval;
uint16_t adjustedsize;
/* Ensure size request is valid */
if (requestedsize > HEAP_MAX_CHUNK_SIZE)
{
PM_RAISE(retval, PM_RET_EX_MEM);
return retval;
}
if (requestedsize < HEAP_MIN_CHUNK_SIZE)
{
requestedsize = HEAP_MIN_CHUNK_SIZE;
}
/*
* Round up the size to a multiple of 4 bytes.
* This maintains alignment on 32-bit platforms (required).
*/
adjustedsize = ((requestedsize + 3) & ~3);
/* Attempt to get a chunk */
retval = heap_getChunkImpl(adjustedsize, r_pchunk);
/* Perform GC if out of memory and auto-gc is enabled */
if ((retval == PM_RET_EX_MEM) && (pmHeap.auto_gc == C_TRUE))
{
retval = heap_gcRun();
PM_RETURN_IF_ERROR(retval);
/* Attempt to get a chunk */
retval = heap_getChunkImpl(adjustedsize, r_pchunk);
}
/* Ensure that the pointer is 4-byte aligned */
if (retval == PM_RET_OK)
{
C_ASSERT(((int)*r_pchunk & 3) == 0);
}
return retval;
}
PmReturn_t
dict_print(pPmObj_t pdict)
{
PmReturn_t retval = PM_RET_OK;
int16_t index;
pSeglist_t keys,
vals;
pPmObj_t pobj1;
C_ASSERT(pdict != C_NULL);
/* if it's not a dict, raise TypeError */
if (OBJ_GET_TYPE(pdict) != OBJ_TYPE_DIC)
{
PM_RAISE(retval, PM_RET_EX_TYPE);
return retval;
}
plat_putByte('{');
keys = ((pPmDict_t)pdict)->d_keys;
vals = ((pPmDict_t)pdict)->d_vals;
/* if dict is empty, raise KeyError */
for (index = 0; index < ((pPmDict_t)pdict)->length; index++)
{
if (index != 0)
{
plat_putByte(',');
plat_putByte(' ');
}
retval = seglist_getItem(keys, index, &pobj1);
PM_RETURN_IF_ERROR(retval);
retval = obj_print(pobj1, C_FALSE, C_TRUE);
PM_RETURN_IF_ERROR(retval);
plat_putByte(':');
retval = seglist_getItem(vals, index, &pobj1);
PM_RETURN_IF_ERROR(retval);
retval = obj_print(pobj1, C_FALSE, C_TRUE);
PM_RETURN_IF_ERROR(retval);
}
return plat_putByte('}');
}
/*
* UART receive char routine MUST return exactly and only the received char;
* it should not translate \n to \r\n.
* This is because the interactive interface uses binary transfers.
*/
PmReturn_t
plat_getByte(uint8_t *b)
{
PmReturn_t retval = PM_RET_OK;
/* Loop until serial receive is complete */
loop_until_bit_is_set(UCSR0A, RXC0);
/* If a framing error or data overrun occur, raise an IOException */
if (UCSR0A & (_BV(FE0) | _BV(DOR0)))
{
PM_RAISE(retval, PM_RET_EX_IO);
return retval;
}
*b = UDR0;
return retval;
}
PmReturn_t
plat_getByte(uint8_t *b)
{
int c;
PmReturn_t retval = PM_RET_OK;
while(!(U0LSR && 0x01)); //waits till the register to contain valid data
c = U0RBR;
*b = c & 0xFF;
if (c > 0xFF)
{
PM_RAISE(retval, PM_RET_EX_IO);
}
return retval;
}