Item coerce(int targetcode) {
if (typecode == targetcode) {
return this;
} else {
switch (targetcode) {
case INTcode:
if (Code.truncate(typecode) == INTcode) return this;
else return new ImmediateItem(syms.intType, ((Number) value).intValue());
case LONGcode:
return new ImmediateItem(syms.longType, ((Number) value).longValue());
case FLOATcode:
return new ImmediateItem(syms.floatType, ((Number) value).floatValue());
case DOUBLEcode:
return new ImmediateItem(syms.doubleType, ((Number) value).doubleValue());
case BYTEcode:
return new ImmediateItem(syms.byteType, (int) (byte) ((Number) value).intValue());
case CHARcode:
return new ImmediateItem(syms.charType, (int) (char) ((Number) value).intValue());
case SHORTcode:
return new ImmediateItem(syms.shortType, (int) (short) ((Number) value).intValue());
default:
return super.coerce(targetcode);
}
}
}
/**
* Generate code to coerce item to given type code.
*
* @param targetcode The type code to coerce to.
*/
Item coerce(int targetcode) {
if (typecode == targetcode) return this;
else {
load();
int typecode1 = Code.truncate(typecode);
int targetcode1 = Code.truncate(targetcode);
if (typecode1 != targetcode1) {
int offset = targetcode1 > typecode1 ? targetcode1 - 1 : targetcode1;
code.emitop0(i2l + typecode1 * 3 + offset);
}
if (targetcode != targetcode1) {
code.emitop0(int2byte + targetcode - BYTEcode);
}
return stackItem[targetcode];
}
}
void store() {
if (reg <= 3) code.emitop0(istore_0 + Code.truncate(typecode) * 4 + reg);
else code.emitop1w(istore + Code.truncate(typecode), reg);
code.setDefined(reg);
}
Item load() {
if (reg <= 3) code.emitop0(iload_0 + Code.truncate(typecode) * 4 + reg);
else code.emitop1w(iload + Code.truncate(typecode), reg);
return stackItem[typecode];
}
