/**
* Emits a type cast for passing an argument to a parameterized type.
*
* @param type compound type with parameters
* @param expr argument expression in type instantiation
* @param paramIndex index of argument in argument list
*/
private static boolean emitTypeCast(
StringBuilder buffer, CompoundType type, Expression expr, int paramIndex) {
boolean cast = false;
Parameter param = type.getParameterAt(paramIndex);
TypeInterface paramType = TypeReference.getBaseType(param.getType());
if (paramType instanceof StdIntegerType) {
StdIntegerType intType = (StdIntegerType) paramType;
switch (intType.getType()) {
case DataScriptParserTokenTypes.INT8:
buffer.append("(byte)(");
cast = true;
break;
case DataScriptParserTokenTypes.UINT8:
case DataScriptParserTokenTypes.INT16:
buffer.append("(short)(");
cast = true;
break;
default:
// nothing
}
}
return cast;
}
public long getMinVal() {
if (type instanceof SignedBitFieldType) {
BitFieldType bitField = (BitFieldType) type;
return -(1 << bitField.getLength() - 1);
}
if (type instanceof BitFieldType) {
return 0;
}
if (type instanceof StdIntegerType) {
StdIntegerType integerType = (StdIntegerType) type;
return integerType.getLowerBound().longValue();
}
throw new RuntimeException("type of field '" + param.getName() + "' is not a simple type");
}