Exemplo n.º 1
0
static void
generate_primdata(Symbol* basetype, Constant* prim, Bytebuffer* codebuf,
		  Datalist* filler, Generator* generator)
{
    Constant target;

    if(prim == NULL || isfillconst(prim)) {
	Datalist* fill = (filler==NULL?getfiller(basetype):filler);
	ASSERT(fill->length == 1);
	prim = datalistith(fill,0);
    }

    ASSERT(prim->nctype != NC_COMPOUND);

    target.nctype = basetype->typ.typecode;

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

    switch (target.nctype) {
    case NC_ECONST:
        if(basetype->subclass != NC_ENUM) {
	    semerror(constline(prim),"Conversion to enum not supported (yet)");
	} break;
     case NC_OPAQUE:
	setprimlength(&target,basetype->typ.size*2);
	break;
    default:
	break;
    }
    generator->constant(generator,&target,codebuf);
    
    return;
}
Exemplo n.º 2
0
static void
cdata_primdata(Symbol* basetype, Datasrc* src, Bytebuffer* codebuf, Datalist* fillsrc)
{
    Constant* prim;
    Constant target;

    prim = srcnext(src);
    if(prim == NULL) prim = &fillconstant;

    ASSERT(prim->nctype != NC_COMPOUND);

    if(prim->nctype == NC_FILLVALUE) {
	Datalist* filler = getfiller(basetype,fillsrc);
	ASSERT(filler->length == 1);
	srcpushlist(src,filler);
	bbAppend(codebuf,' ');
        cdata_primdata(basetype,src,codebuf,NULL);
	srcpop(src);
	goto done;
    }

    target.nctype = basetype->typ.typecode;

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

    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);
	    Symbol* enumv = prim->value.enumv;
	    srcpushlist(src,econ);
	    dlappend(econ,&enumv->typ.econst);
	    cdata_primdata(enumv->typ.basetype,src,codebuf,fillsrc);
	    srcpop(src);
	 } break;
     case NC_OPAQUE: {
	    setprimlength(&target,basetype->typ.size*2);
	} break;
    default: break;
    }
    bbCat(codebuf,cdata_const(&target));
    
done:
    return;
}
Exemplo n.º 3
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);
    }
}