Ejemplo n.º 1
0
void
convert1(Constant* src, Constant* dst)
{
    Constvalue tmp;
    unsigned char* bytes = NULL;
    size_t bytelen;

    dst->lineno = src->lineno;

    /* Need to translate all possible sources to all possible sinks.*/
    /* Rather than have a nested switch, combine the src and target into*/
    /* a single value so we can do a single n*n-way switch*/

    /* special case for src being NC_FILLVALUE*/
    if(src->nctype == NC_FILLVALUE) {
	if(dst->nctype != NC_FILLVALUE) {
	    nc_getfill(dst);
	} 
	return;
    }

    /* special case handling for src being NC_ECONST*/
    if(src->nctype == NC_ECONST) {
	if(dst->nctype == NC_ECONST) {
	    dst->value = src->value;
	} else {
	    Symbol* econst;
	    econst = src->value.enumv;
	    convert1(&econst->typ.econst,dst);
	}
	return;
    } else if(dst->nctype == NC_ECONST) {
	/* special case for dst being NC_ECONST*/
	semerror(lineno,"Conversion to enum not supported (yet)");
	return;
    }

    if(src->nctype == NC_OPAQUE) {
        bytes = makebytestring(src->value.opaquev.stringv,&bytelen);
    }

#define CASE(nc1,nc2) (nc1*256+nc2)
	switch (CASE(src->nctype,dst->nctype)) {
case CASE(NC_CHAR,NC_CHAR):
    tmp.charv  = src->value.charv;
    break;
case CASE(NC_CHAR,NC_BYTE):
    tmp.int8v  = (unsigned char)src->value.charv;
    break;
case CASE(NC_CHAR,NC_UBYTE):
    tmp.uint8v	= (unsigned char)src->value.charv;
    break;
case CASE(NC_CHAR,NC_USHORT):
    tmp.uint16v = (unsigned short)src->value.charv;
    break;
case CASE(NC_CHAR,NC_UINT):
    tmp.uint32v = (unsigned int)src->value.charv;
    break;
case CASE(NC_CHAR,NC_UINT64):
    tmp.uint64v	 = (unsigned long long)src->value.charv;
    break;
case CASE(NC_CHAR,NC_SHORT):
    tmp.int16v	= (short)src->value.charv;
    break;
case CASE(NC_CHAR,NC_INT):
    tmp.int32v	= (int)src->value.charv;
    break;
case CASE(NC_CHAR,NC_INT64):
    tmp.int64v	 = (long long)src->value.charv;
    break;
case CASE(NC_CHAR,NC_FLOAT):
    tmp.floatv	= (float)src->value.charv;
    break;
case CASE(NC_CHAR,NC_DOUBLE):
    tmp.doublev = (double)src->value.charv;
    break;

case CASE(NC_BYTE,NC_CHAR):
    tmp.charv	= (char)src->value.uint8v;
    break;
case CASE(NC_BYTE,NC_BYTE):
    tmp.uint8v	= (unsigned char)src->value.uint8v;
    break;
case CASE(NC_BYTE,NC_UBYTE):
    tmp.uint8v	= (unsigned char)src->value.uint8v;
    break;
case CASE(NC_BYTE,NC_USHORT):
    tmp.uint16v = (unsigned short)src->value.uint8v;
    break;
case CASE(NC_BYTE,NC_UINT):
    tmp.uint32v = (unsigned int)src->value.uint8v;
    break;
case CASE(NC_BYTE,NC_UINT64):
    tmp.uint64v	 = (unsigned long long)src->value.uint8v;
    break;
case CASE(NC_BYTE,NC_SHORT):
    tmp.int16v	= (short)src->value.uint8v;
    break;
case CASE(NC_BYTE,NC_INT):
    tmp.int32v	= (int)src->value.uint8v;
    break;
case CASE(NC_BYTE,NC_INT64):
    tmp.int64v	 = (long long)src->value.uint8v;
    break;
case CASE(NC_BYTE,NC_FLOAT):
    tmp.floatv	= (float)src->value.uint8v;
    break;
case CASE(NC_BYTE,NC_DOUBLE):
    tmp.doublev = (double)src->value.uint8v;
    break;

case CASE(NC_UBYTE,NC_CHAR):
    tmp.charv	= (char)src->value.uint8v;
    break;
case CASE(NC_UBYTE,NC_BYTE):
    tmp.uint8v	= (unsigned char)src->value.uint8v;
    break;
case CASE(NC_UBYTE,NC_UBYTE):
    tmp.uint8v	= (unsigned char)src->value.uint8v;
    break;
case CASE(NC_UBYTE,NC_USHORT):
    tmp.uint16v = (unsigned short)src->value.uint8v;
    break;
case CASE(NC_UBYTE,NC_UINT):
    tmp.uint32v = (unsigned int)src->value.uint8v;
    break;
case CASE(NC_UBYTE,NC_UINT64):
    tmp.uint64v	 = (unsigned long long)src->value.uint8v;
    break;
case CASE(NC_UBYTE,NC_SHORT):
    tmp.int16v	= (short)src->value.uint8v;
    break;
case CASE(NC_UBYTE,NC_INT):
    tmp.int32v	= (int)src->value.uint8v;
    break;
case CASE(NC_UBYTE,NC_INT64):
    tmp.int64v	 = (long long)src->value.uint8v;
    break;
case CASE(NC_UBYTE,NC_FLOAT):
    tmp.floatv	= (float)src->value.uint8v;
    break;
case CASE(NC_UBYTE,NC_DOUBLE):
    tmp.doublev = (double)src->value.uint8v;
    break;

case CASE(NC_USHORT,NC_BYTE):
    tmp.uint8v	= (unsigned char)src->value.uint16v;
    break;
case CASE(NC_USHORT,NC_UBYTE):
    tmp.uint8v	= (unsigned char)src->value.uint16v;
    break;
case CASE(NC_USHORT,NC_USHORT):
    tmp.uint16v = (unsigned short)src->value.uint16v;
    break;
case CASE(NC_USHORT,NC_UINT):
    tmp.uint32v = (unsigned int)src->value.uint16v;
    break;
case CASE(NC_USHORT,NC_UINT64):
    tmp.uint64v	 = (unsigned long long)src->value.uint16v;
    break;
case CASE(NC_USHORT,NC_SHORT):
    tmp.int16v	= (short)src->value.uint16v;
    break;
case CASE(NC_USHORT,NC_INT):
    tmp.int32v	= (int)src->value.uint16v;
    break;
case CASE(NC_USHORT,NC_INT64):
    tmp.int64v	 = (long long)src->value.uint16v;
    break;
case CASE(NC_USHORT,NC_FLOAT):
    tmp.floatv	= (float)src->value.uint16v;
    break;
case CASE(NC_USHORT,NC_DOUBLE):
    tmp.doublev = (double)src->value.uint16v;
    break;

case CASE(NC_UINT,NC_BYTE):
    tmp.uint8v	= (unsigned char)src->value.uint32v;
    break;
case CASE(NC_UINT,NC_UBYTE):
    tmp.uint8v	= (unsigned char)src->value.uint32v;
    break;
case CASE(NC_UINT,NC_USHORT):
    tmp.uint16v = (unsigned short)src->value.uint32v;
    break;
case CASE(NC_UINT,NC_UINT):
    tmp.uint32v = (unsigned int)src->value.uint32v;
    break;
case CASE(NC_UINT,NC_UINT64):
    tmp.uint64v	 = (unsigned long long)src->value.uint32v;
    break;
case CASE(NC_UINT,NC_SHORT):
    tmp.int16v	= (short)src->value.uint32v;
    break;
case CASE(NC_UINT,NC_INT):
    tmp.int32v	= (int)src->value.uint32v;
    break;
case CASE(NC_UINT,NC_INT64):
    tmp.int64v	 = (long long)src->value.uint32v;
    break;
case CASE(NC_UINT,NC_FLOAT):
    tmp.floatv	= (float)src->value.uint32v;
    break;
case CASE(NC_UINT,NC_DOUBLE):
    tmp.doublev = (double)src->value.uint32v;
    break;

case CASE(NC_UINT64,NC_BYTE):
    tmp.uint8v	= (unsigned char)src->value.uint64v;
    break;
case CASE(NC_UINT64,NC_UBYTE):
    tmp.uint8v	= (unsigned char)src->value.uint64v;
    break;
case CASE(NC_UINT64,NC_USHORT):
    tmp.uint16v = (unsigned short)src->value.uint64v;
    break;
case CASE(NC_UINT64,NC_UINT):
    tmp.uint32v = (unsigned int)src->value.uint64v;
    break;
case CASE(NC_UINT64,NC_UINT64):
    tmp.uint64v	 = (unsigned long long)src->value.uint64v;
    break;
case CASE(NC_UINT64,NC_SHORT):
    tmp.int16v	= (short)src->value.uint64v;
    break;
case CASE(NC_UINT64,NC_INT):
    tmp.int32v	= (int)src->value.uint64v;
    break;
case CASE(NC_UINT64,NC_INT64):
    tmp.int64v	 = (long long)src->value.uint64v;
    break;
case CASE(NC_UINT64,NC_FLOAT):
    tmp.floatv	= (float)src->value.uint64v;
    break;
case CASE(NC_UINT64,NC_DOUBLE):
    tmp.doublev = (double)src->value.uint64v;
    break;

case CASE(NC_SHORT,NC_BYTE):
    tmp.uint8v	= (unsigned char)src->value.int16v;
    break;
case CASE(NC_SHORT,NC_UBYTE):
    tmp.uint8v	= (unsigned char)src->value.int16v;
    break;
case CASE(NC_SHORT,NC_USHORT):
    tmp.uint16v = (unsigned short)src->value.int16v;
    break;
case CASE(NC_SHORT,NC_UINT):
    tmp.uint32v = (unsigned int)src->value.int16v;
    break;
case CASE(NC_SHORT,NC_UINT64):
    tmp.uint64v	 = (unsigned long long)src->value.int16v;
    break;
case CASE(NC_SHORT,NC_SHORT):
    tmp.int16v	= (short)src->value.int16v;
    break;
case CASE(NC_SHORT,NC_INT):
    tmp.int32v	= (int)src->value.int16v;
    break;
case CASE(NC_SHORT,NC_INT64):
    tmp.int64v	 = (long long)src->value.int16v;
    break;
case CASE(NC_SHORT,NC_FLOAT):
    tmp.floatv	= (float)src->value.int16v;
    break;
case CASE(NC_SHORT,NC_DOUBLE):
    tmp.doublev = (double)src->value.int16v;
    break;

case CASE(NC_INT,NC_BYTE):
    tmp.uint8v	= (unsigned char)src->value.int32v;
    break;
case CASE(NC_INT,NC_UBYTE):
    tmp.uint8v	= (unsigned char)src->value.int32v;
    break;
case CASE(NC_INT,NC_USHORT):
    tmp.uint16v = (unsigned short)src->value.int32v;
    break;
case CASE(NC_INT,NC_UINT):
    tmp.uint32v = (unsigned int)src->value.int32v;
    break;
case CASE(NC_INT,NC_UINT64):
    tmp.uint64v	 = (unsigned long long)src->value.int32v;
    break;
case CASE(NC_INT,NC_SHORT):
    tmp.int16v	= (short)src->value.int32v;
    break;
case CASE(NC_INT,NC_INT):
    tmp.int32v	= (int)src->value.int32v;
    break;
case CASE(NC_INT,NC_INT64):
    tmp.int64v	 = (long long)src->value.int32v;
    break;
case CASE(NC_INT,NC_FLOAT):
    tmp.floatv	= (float)src->value.int32v;
    break;
case CASE(NC_INT,NC_DOUBLE):
    tmp.doublev = (double)src->value.int32v;
    break;

case CASE(NC_INT64,NC_BYTE):
    tmp.uint8v	= (unsigned char)src->value.int64v;
    break;
case CASE(NC_INT64,NC_UBYTE):
    tmp.uint8v	= (unsigned char)src->value.int64v;
    break;
case CASE(NC_INT64,NC_USHORT):
    tmp.uint16v = (unsigned short)src->value.int64v;
    break;
case CASE(NC_INT64,NC_UINT):
    tmp.uint32v = (unsigned int)src->value.int64v;
    break;
case CASE(NC_INT64,NC_UINT64):
    tmp.uint64v	 = (unsigned long long)src->value.int64v;
    break;
case CASE(NC_INT64,NC_SHORT):
    tmp.int16v	= (short)src->value.int64v;
    break;
case CASE(NC_INT64,NC_INT):
    tmp.int32v	= (int)src->value.int64v;
    break;
case CASE(NC_INT64,NC_INT64):
    tmp.int64v	 = (long long)src->value.int64v;
    break;
case CASE(NC_INT64,NC_FLOAT):
    tmp.floatv	= (float)src->value.int64v;
    break;
case CASE(NC_INT64,NC_DOUBLE):
    tmp.doublev = (double)src->value.int64v;
    break;

case CASE(NC_FLOAT,NC_BYTE):
    tmp.uint8v	= (unsigned char)src->value.floatv;
    break;
case CASE(NC_FLOAT,NC_UBYTE):
    tmp.uint8v	= (unsigned char)src->value.floatv;
    break;
case CASE(NC_FLOAT,NC_USHORT):
    tmp.uint16v = (unsigned short)src->value.floatv;
    break;
case CASE(NC_FLOAT,NC_UINT):
    tmp.uint32v = (unsigned int)src->value.floatv;
    break;
case CASE(NC_FLOAT,NC_UINT64):
    tmp.uint64v	 = (unsigned long long)src->value.floatv;
    break;
case CASE(NC_FLOAT,NC_SHORT):
    tmp.int16v	= (short)src->value.floatv;
    break;
case CASE(NC_FLOAT,NC_INT):
    tmp.int32v	= (int)src->value.floatv;
    break;
case CASE(NC_FLOAT,NC_INT64):
    tmp.int64v	 = (long long)src->value.floatv;
    break;
case CASE(NC_FLOAT,NC_FLOAT):
    tmp.floatv = src->value.floatv;
    break;
case CASE(NC_FLOAT,NC_DOUBLE):
    tmp.doublev = (isnan(src->value.floatv)?NAN:(double)src->value.floatv);
    break;
case CASE(NC_DOUBLE,NC_BYTE):
    tmp.uint8v	= (unsigned char)src->value.doublev;
    break;
case CASE(NC_DOUBLE,NC_UBYTE):
    tmp.uint8v	= (unsigned char)src->value.doublev;
    break;
case CASE(NC_DOUBLE,NC_USHORT):
    tmp.uint16v = (unsigned short)src->value.doublev;
    break;
case CASE(NC_DOUBLE,NC_UINT):
    tmp.uint32v = (unsigned int)src->value.doublev;
    break;
case CASE(NC_DOUBLE,NC_UINT64):
    tmp.uint64v	 = (unsigned long long)src->value.doublev;
    break;
case CASE(NC_DOUBLE,NC_SHORT):
    tmp.int16v	= (short)src->value.doublev;
    break;
case CASE(NC_DOUBLE,NC_INT):
    tmp.int32v	= (int)src->value.doublev;
    break;
case CASE(NC_DOUBLE,NC_INT64):
    tmp.int64v	 = (long long)src->value.doublev;
    break;
case CASE(NC_DOUBLE,NC_FLOAT):
    tmp.floatv = (isnan(src->value.doublev)?NANF:(float)src->value.doublev);
    break;
case CASE(NC_DOUBLE,NC_DOUBLE):
    tmp.doublev = (double)src->value.doublev;
    break;

/* Conversion of a string to e.g. an integer should be what?*/
case CASE(NC_STRING,NC_BYTE):
    sscanf(src->value.stringv.stringv,"%hhd",&tmp.int8v); break;
case CASE(NC_STRING,NC_UBYTE):
    sscanf(src->value.stringv.stringv,"%hhu",&tmp.uint8v); break;
case CASE(NC_STRING,NC_USHORT):
    sscanf(src->value.stringv.stringv,"%hu",&tmp.uint16v); break;
case CASE(NC_STRING,NC_UINT):
    sscanf(src->value.stringv.stringv,"%u",&tmp.uint32v); break;
case CASE(NC_STRING,NC_UINT64):
    sscanf(src->value.stringv.stringv,"%llu",&tmp.uint64v); break;
case CASE(NC_STRING,NC_SHORT):
    sscanf(src->value.stringv.stringv,"%hd",&tmp.int16v); break;
case CASE(NC_STRING,NC_INT):
    sscanf(src->value.stringv.stringv,"%d",&tmp.int32v); break;
case CASE(NC_STRING,NC_INT64):
    sscanf(src->value.stringv.stringv,"%lld",&tmp.int64v); break;
case CASE(NC_STRING,NC_FLOAT):
    sscanf(src->value.stringv.stringv,"%g",&tmp.floatv); break;
case CASE(NC_STRING,NC_DOUBLE):
    sscanf(src->value.stringv.stringv,"%lg",&tmp.doublev); break;
case CASE(NC_STRING,NC_CHAR):
     tmp.charv = src->value.stringv.stringv[0];
     break;
case CASE(NC_STRING,NC_STRING):
    tmp.stringv.stringv = nulldup(src->value.stringv.stringv);
    tmp.stringv.len = src->value.stringv.len;
    break;

/* What is the proper conversion for T->STRING?*/
case CASE(NC_CHAR,NC_STRING):
    sprintf(stmp,"%c",src->value.charv);
    tmp.stringv.len = nulllen(stmp);
    tmp.stringv.stringv = nulldup(stmp);
    break;
case CASE(NC_BYTE,NC_STRING):
    sprintf(stmp,"%hhd",src->value.uint8v);
    tmp.stringv.len = nulllen(stmp);
    tmp.stringv.stringv = nulldup(stmp);
    break;
case CASE(NC_UBYTE,NC_STRING):
    sprintf(stmp,"%hhu",src->value.uint8v);
    tmp.stringv.len = nulllen(stmp);
    tmp.stringv.stringv = nulldup(stmp);
    break;
case CASE(NC_USHORT,NC_STRING):
    sprintf(stmp,"%hu",src->value.uint16v);
    tmp.stringv.len = nulllen(stmp);
    tmp.stringv.stringv = nulldup(stmp);
    break;
case CASE(NC_UINT,NC_STRING):
    sprintf(stmp,"%u",src->value.uint32v);
    tmp.stringv.len = nulllen(stmp);
    tmp.stringv.stringv = nulldup(stmp);
    break;
case CASE(NC_UINT64,NC_STRING):
    sprintf(stmp,"%llu",src->value.uint64v);
    tmp.stringv.len = nulllen(stmp);
    tmp.stringv.stringv = nulldup(stmp);
    break;
case CASE(NC_SHORT,NC_STRING):
    sprintf(stmp,"%hd",src->value.int16v);
    tmp.stringv.len = nulllen(stmp);
    tmp.stringv.stringv = nulldup(stmp);
    break;
case CASE(NC_INT,NC_STRING):
    sprintf(stmp,"%d",src->value.int32v);
    tmp.stringv.len = nulllen(stmp);
    tmp.stringv.stringv = nulldup(stmp);
    break;
case CASE(NC_INT64,NC_STRING):
    sprintf(stmp,"%lld",src->value.int64v);
    tmp.stringv.len = nulllen(stmp);
    tmp.stringv.stringv = nulldup(stmp);
    break;
case CASE(NC_FLOAT,NC_STRING):
    sprintf(stmp,"%.8g",src->value.floatv);
    tmp.stringv.len = nulllen(stmp);
    tmp.stringv.stringv = nulldup(stmp);
    break;
case CASE(NC_DOUBLE,NC_STRING):
    sprintf(stmp,"%.8g",src->value.doublev);
    tmp.stringv.len = nulllen(stmp);
    tmp.stringv.stringv = nulldup(stmp);
    break;

case CASE(NC_OPAQUE,NC_CHAR):
  if(bytes)
    tmp.charv	= *(char*)bytes;
  break;
case CASE(NC_OPAQUE,NC_BYTE):
  if(bytes)
    tmp.uint8v	= *(unsigned char*)bytes;
    break;
case CASE(NC_OPAQUE,NC_UBYTE):
  if(bytes)  
    tmp.uint8v	= *(unsigned char*)bytes;
  break;
case CASE(NC_OPAQUE,NC_USHORT):
  if(bytes)  
    tmp.uint16v	= *(unsigned short*)bytes;
  break;
case CASE(NC_OPAQUE,NC_UINT):
  if(bytes) 
    tmp.uint32v = *(unsigned int*)bytes;
  break;
case CASE(NC_OPAQUE,NC_UINT64):
  if(bytes)  
    tmp.uint64v	 = *(unsigned long long*)bytes;
  break;
case CASE(NC_OPAQUE,NC_SHORT):
  if(bytes)  
    tmp.int16v	= *(short*)bytes;
  break;
case CASE(NC_OPAQUE,NC_INT):
  if(bytes)  
    tmp.int32v	= *(int*)bytes;
  break;
case CASE(NC_OPAQUE,NC_INT64):
  if(bytes)  
    tmp.int64v	 = *(long long*)bytes;
  break;
case CASE(NC_OPAQUE,NC_FLOAT):
  if(bytes)  
    tmp.floatv	= *(float*)bytes;
  break;
case CASE(NC_OPAQUE,NC_DOUBLE):
  if(bytes)  
    tmp.doublev = *(double*)bytes;
  break;
case CASE(NC_OPAQUE,NC_OPAQUE):
    tmp.opaquev.stringv = (char*)malloc(src->value.opaquev.len+1);
    memcpy(tmp.opaquev.stringv,src->value.opaquev.stringv,src->value.opaquev.len);
    tmp.opaquev.len = src->value.opaquev.len;
    tmp.opaquev.stringv[tmp.opaquev.len] = '\0';
    break;

    /* We are missing all CASE(X,NC_ECONST) cases*/

    default:
	semerror(lineno,"transform: illegal conversion: %s/%d -> %s/%d",
		nctypename(src->nctype),src->nctype,
		nctypename(dst->nctype),dst->nctype);
	break;;
    }

    if(bytes != NULL) efree(bytes); /* cleanup*/

    /* overwrite minimum necessary parts*/
    dst->value = tmp;
}
Ejemplo n.º 2
0
/* Recursive helper that does the bulk of the work */
static int
bin_generate_data_r(NCConstant* instance, Symbol* tsym, Datalist* fillvalue, Bytebuffer* databuf)
{
    int stat = NC_NOERR;

    if(instance->nctype == NC_FILLVALUE) {
        /* replace with fillvalue for the type */
	Datalist* filllist = (fillvalue == NULL ? getfiller(tsym) : fillvalue);
	ASSERT(datalistlen(filllist)==1)
	instance = datalistith(filllist,0);
    }

    switch (tsym->subclass) {
    case NC_PRIM: {
	switch (tsym->nc_id) {
        case NC_CHAR: {
            char* p = NULL;
            NCConstant* tmp = nullconst();
            tmp->nctype = NC_CHAR;
            convert1(instance,tmp);
            p = &tmp->value.charv;;
            bbAppendn(databuf,p,sizeof(char));
            reclaimconstant(tmp);
            } break;
        case NC_BYTE: {
            signed char* p = NULL;
            NCConstant* tmp = nullconst();
            tmp->nctype = NC_BYTE;
            convert1(instance,tmp);
            p = &tmp->value.int8v;
            bbAppendn(databuf,p,sizeof(signed char));
            reclaimconstant(tmp);
            } break;
        case NC_UBYTE: {
            unsigned char* p = NULL;
            NCConstant* tmp = nullconst();
            tmp->nctype = NC_UBYTE;
            convert1(instance,tmp);
            p = &tmp->value.uint8v;
            bbAppendn(databuf,p,sizeof(unsigned char));
            reclaimconstant(tmp);
            } break;
        case NC_SHORT: {
            short* p = NULL;
            NCConstant* tmp = nullconst();
            tmp->nctype = NC_SHORT;
            convert1(instance,tmp);
            p = &tmp->value.int16v;
            bbAppendn(databuf,p,sizeof(short));
            reclaimconstant(tmp);
            } break;
        case NC_USHORT: {
            unsigned short* p = NULL;
            NCConstant* tmp = nullconst();
            tmp->nctype = NC_USHORT;
            convert1(instance,tmp);
            p = &tmp->value.uint16v;
            bbAppendn(databuf,p,sizeof(unsigned short));
            reclaimconstant(tmp);
            } break;
        case NC_INT: {
            int* p = NULL;
            NCConstant* tmp = nullconst();
            tmp->nctype = NC_INT;
            convert1(instance,tmp);
            p = &tmp->value.int32v;
            bbAppendn(databuf,p,sizeof(int));
            reclaimconstant(tmp);
            } break;
        case NC_UINT: {
            unsigned int* p = NULL;
            NCConstant* tmp = nullconst();
            tmp->nctype = NC_UINT;
            convert1(instance,tmp);
            p = &tmp->value.uint32v;
            bbAppendn(databuf,p,sizeof(unsigned int));
            reclaimconstant(tmp);
            } break;
        case NC_INT64: {
            long long* p = NULL;
            NCConstant* tmp = nullconst();
            tmp->nctype = NC_INT64;
            convert1(instance,tmp);
            p = &tmp->value.int64v;
            bbAppendn(databuf,p,sizeof(long long));
            reclaimconstant(tmp);
            } break;
        case NC_UINT64: {
            unsigned long long* p = NULL;
            NCConstant* tmp = nullconst();
            tmp->nctype = NC_UINT64;
            convert1(instance,tmp);
            p = &tmp->value.uint64v;
            bbAppendn(databuf,p,sizeof(unsigned long long));
            reclaimconstant(tmp);
            } break;
        case NC_FLOAT: {
            float* p = NULL;
            NCConstant* tmp = nullconst();
            tmp->nctype = NC_FLOAT;
            convert1(instance,tmp);
            p = &tmp->value.floatv;
            bbAppendn(databuf,p,sizeof(float));
            reclaimconstant(tmp);
            } break;
        case NC_DOUBLE: {
            double* p = NULL;
            NCConstant* tmp = nullconst();
            tmp->nctype = NC_DOUBLE;
            convert1(instance,tmp);
            p = &tmp->value.doublev;
            bbAppendn(databuf,p,sizeof(double));
            reclaimconstant(tmp);
            } break;
        case NC_STRING: {
            char* p = NULL;
            NCConstant* tmp = nullconst();
            tmp->nctype = NC_STRING;
            convert1(instance,tmp);
            p = emalloc(tmp->value.stringv.len+1);
	    memcpy(p,tmp->value.stringv.stringv,tmp->value.stringv.len);
	    p[tmp->value.stringv.len] = '\0';
            bbAppendn(databuf,&p,sizeof(char*));
            reclaimconstant(tmp);
            } break;
	default: stat = NC_EINTERNAL; goto done; /* Should never happen */
	} break; /*switch*/
	} break; /*NC_PRIM*/
	
    case NC_ENUM: {
	Symbol* basetype = tsym->typ.basetype;
	/* Pretend */
	stat = bin_generate_data_r(instance,basetype,fillvalue,databuf);
        } break;
    case NC_OPAQUE: {
	unsigned char* bytes = NULL;
	size_t len = 0;
	if(instance->nctype != NC_OPAQUE)
	    {stat = NC_EBADTYPE; goto done;}
	/* Assume the opaque string has been normalized */
        bytes=makebytestring(instance->value.opaquev.stringv,&len);
	if(bytes == NULL) {stat = NC_ENOMEM; goto done;}
        bbAppendn(databuf,(void*)bytes,len);
	free(bytes);
        } break;
    case NC_VLEN: {
	Datalist* sublist = NULL;
	Bytebuffer* vlendata = NULL;
	nc_vlen_t p;
	if(instance->nctype != NC_COMPOUND) {
	    nclog(NCLOGERR,"Translating vlen: expected sublist");
	    stat = NC_EBADTYPE; goto done;
	}
	sublist = instance->value.compoundv;
	vlendata = bbNew();
	if((stat = binary_generate_data(sublist,tsym->typ.basetype,NULL,vlendata))) goto done;
	p.len = datalistlen(sublist);
	p.p = bbContents(vlendata);
        bbAppendn(databuf,(char*)&p,sizeof(nc_vlen_t));
        } break;
    case NC_COMPOUND: { /* The really hard one */
	size_t nfields, fid, i;
	Datalist* cmpd = instance->value.compoundv;
        write_alignment(tsym->typ.cmpdalign,databuf);
        /* Get info about each field in turn and build it*/
        nfields = listlength(tsym->subnodes);
        for(fid=0;fid<nfields;fid++) {
	    Symbol* field = listget(tsym->subnodes,fid);
	    NCConstant* fieldinstance = datalistith(cmpd,fid);
	    int ndims = field->typ.dimset.ndims;
	    size_t arraycount;
	    if(ndims == 0) {
	        ndims=1; /* fake the scalar case */
	    }
  	    /* compute the total number of elements in the field array */
	    arraycount = 1;
	    for(i=0;i<ndims;i++) arraycount *= field->typ.dimset.dimsyms[i]->dim.declsize;
	    write_alignment(field->typ.alignment,databuf);
	    /* Write the instances */
	    for(i=0;i<arraycount;i++) {
	        if((stat = bin_generate_data_r(fieldinstance, field->typ.basetype, NULL, databuf))) goto done;
	    }
	}		
        } break;

    default: stat = NC_EINTERNAL; goto done; /* Should never happen */
    }
done:
    return stat;
}
Ejemplo n.º 3
0
static int
bin_constant(Generator* generator, Symbol* sym, NCConstant* con, Bytebuffer* buf,...)
{
    if(con->nctype != NC_ECONST) {
        alignbuffer(con,buf);
    }
    switch (con->nctype) {
    case NC_OPAQUE: {
        unsigned char* bytes = NULL;
        size_t len;
	/* Assume the opaque string has been normalized */
        bytes=makebytestring(con->value.opaquev.stringv,&len);
        bbAppendn(buf,(void*)bytes,len);
	efree(bytes);
    } break;
    case NC_CHAR:
        bbAppendn(buf,&con->value.charv,sizeof(con->value.charv));
        break;
    case NC_BYTE:
        bbAppendn(buf,(void*)&con->value.int8v,sizeof(con->value.int8v));
        break;
    case NC_SHORT:
        bbAppendn(buf,(void*)&con->value.int16v,sizeof(con->value.int16v));
        break;
    case NC_INT:
        bbAppendn(buf,(void*)&con->value.int32v,sizeof(con->value.int32v));
        break;
    case NC_FLOAT:
        bbAppendn(buf,(void*)&con->value.floatv,sizeof(con->value.floatv));
        break;
    case NC_DOUBLE:
        bbAppendn(buf,(void*)&con->value.doublev,sizeof(con->value.doublev));
        break;
    case NC_UBYTE:
        bbAppendn(buf,(void*)&con->value.uint8v,sizeof(con->value.uint8v));
        break;
    case NC_USHORT:
        bbAppendn(buf,(void*)&con->value.uint16v,sizeof(con->value.uint16v));
        break;
    case NC_UINT:
        bbAppendn(buf,(void*)&con->value.uint32v,sizeof(con->value.uint32v));
        break;
    case NC_INT64: {
        union SI64 { char ch[8]; long long i64;} si64;
        si64.i64 = con->value.int64v;
        bbAppendn(buf,(void*)si64.ch,sizeof(si64.ch));
        } break;
    case NC_UINT64: {
        union SU64 { char ch[8]; unsigned long long i64;} su64;
        su64.i64 = con->value.uint64v;
        bbAppendn(buf,(void*)su64.ch,sizeof(su64.ch));
        } break;
    case NC_NIL:
    case NC_STRING: {
        int len = (size_t)con->value.stringv.len;
	if(len == 0 && con->value.stringv.stringv == NULL) {
	    char* nil = NULL;
            bbAppendn(buf,(void*)&nil,sizeof(nil));
	} else {
            char* ptr = (char*)ecalloc(len+1);
	    memcpy(ptr,con->value.stringv.stringv,len);
	    ptr[len] = '\0';
            bbAppendn(buf,(void*)&ptr,sizeof(ptr));
	    ptr = NULL;
        }
	} break;

    default: PANIC1("bin_constant: unexpected type: %d",con->nctype);
    }
    return 1;
}
Ejemplo n.º 4
0
static void
genbin_primdata(Symbol* basetype, Datasrc* src, Datalist* fillsrc,
		Bytebuffer* memory)
{
    Constant* prim;
    Constant target;

    prim = srcnext(src);

    if(prim == NULL || prim->nctype == NC_FILLVALUE) {
	genbin_fillvalue(basetype,fillsrc,src,memory);	
	return;
    }

    target.nctype = basetype->typ.typecode;

    if(prim == NULL) {
#ifdef GENFILL
        /* generate a fill value*/
	nc_getfill(&target);
	/* fall thru*/
#else
	return;	
#endif
    }

    ASSERT(prim->nctype != NC_COMPOUND);

    if(target.nctype != NC_ECONST) {
	convert1(prim,&target);
        alignbuffer(&target,memory);
    }

    switch (target.nctype) {
        case NC_ECONST:
	    if(basetype->subclass != NC_ENUM) {
	        semerror(prim->lineno,"Conversion to enum not supported (yet)");
	    } else {
		Datalist* econ = builddatalist(1);
		srcpushlist(src,econ);
		dlappend(econ,&prim->value.enumv->typ.econst);
	        genbin_primdata(prim->value.enumv->typ.basetype,src,
				fillsrc,memory);
		srcpop(src);
	    }
   	    break;
        case NC_OPAQUE: {
	    unsigned char* bytes;
	    size_t len;
	    setprimlength(&target,basetype->typ.size*2);
	    bytes=makebytestring(target.value.opaquev.stringv,&len);
	    bbAppendn(memory,(void*)bytes,len);
	    } break;

        case NC_CHAR:
            bbAppendn(memory,&target.value.charv,sizeof(target.value.charv));
	    break;
        case NC_BYTE:
            bbAppendn(memory,(void*)&target.value.int8v,sizeof(target.value.int8v));
	    break;
        case NC_SHORT:
            bbAppendn(memory,(void*)&target.value.int16v,sizeof(target.value.int16v));
	    break;
        case NC_INT:
            bbAppendn(memory,(void*)&target.value.int32v,sizeof(target.value.int32v));
	    break;
        case NC_FLOAT:
            bbAppendn(memory,(void*)&target.value.floatv,sizeof(target.value.floatv));
	    break;
        case NC_DOUBLE:
            bbAppendn(memory,(void*)&target.value.doublev,sizeof(target.value.doublev));
	    break;
        case NC_UBYTE:
            bbAppendn(memory,(void*)&target.value.uint8v,sizeof(target.value.uint8v));
	    break;
        case NC_USHORT:
            bbAppendn(memory,(void*)&target.value.uint16v,sizeof(target.value.uint16v));
	    break;
        case NC_UINT:
            bbAppendn(memory,(void*)&target.value.uint32v,sizeof(target.value.uint32v));
	    break;
        case NC_INT64: {
	    union SI64 { char ch[8]; long long i64;} si64;
	    si64.i64 = target.value.int64v;
            bbAppendn(memory,(void*)si64.ch,sizeof(si64.ch));
	    } break;
        case NC_UINT64: {
	    union SU64 { char ch[8]; unsigned long long i64;} su64;
	    su64.i64 = target.value.uint64v;
            bbAppendn(memory,(void*)su64.ch,sizeof(su64.ch));
	    } break;
        case NC_STRING: {
            if(usingclassic) {
                bbAppendn(memory,target.value.stringv.stringv,target.value.stringv.len);
            } else if(target.nctype == NC_CHAR) {
                bbAppendn(memory,target.value.stringv.stringv,target.value.stringv.len);
            } else {
                char* ptr;
                int len = (size_t)target.value.stringv.len;
                ptr = poolalloc(len+1); /* CAREFUL: this has short lifetime*/
                memcpy(ptr,target.value.stringv.stringv,len);
                ptr[len] = '\0';
                bbAppendn(memory,(void*)&ptr,sizeof(ptr));
            }
        } break;

        default: PANIC1("genbin_primdata: unexpected type: %d",target.nctype);
    }
}