private List<Instruction> transformGetterInvocation(InvokeInstruction insn, String property) {
if (insn.getReceiver() == null) {
return Collections.emptyList();
}
ValueType type = insn.getMethod().getDescriptor().getResultType();
List<Instruction> instructions = new ArrayList<>();
if (type instanceof ValueType.Primitive) {
switch (((ValueType.Primitive) type).getKind()) {
case BOOLEAN:
getAndCastProperty(insn, property, instructions, boolean.class);
return instructions;
case BYTE:
getAndCastProperty(insn, property, instructions, byte.class);
return instructions;
case SHORT:
getAndCastProperty(insn, property, instructions, short.class);
return instructions;
case INTEGER:
getAndCastProperty(insn, property, instructions, int.class);
return instructions;
case FLOAT:
getAndCastProperty(insn, property, instructions, float.class);
return instructions;
case DOUBLE:
getAndCastProperty(insn, property, instructions, double.class);
return instructions;
case CHARACTER:
case LONG:
break;
}
} else if (type instanceof ValueType.Object) {
switch (((ValueType.Object) type).getClassName()) {
case "java.lang.String":
{
Variable resultVar = insn.getProgram().createVariable();
getProperty(insn, property, instructions, resultVar);
InvokeInstruction castInvoke = new InvokeInstruction();
castInvoke.setType(InvocationType.SPECIAL);
castInvoke.setMethod(
new MethodReference(
ResourceAccessor.class, "castToString", Object.class, String.class));
castInvoke.getArguments().add(resultVar);
castInvoke.setReceiver(insn.getReceiver());
instructions.add(castInvoke);
return instructions;
}
default:
{
Variable resultVar = insn.getProgram().createVariable();
getProperty(insn, property, instructions, resultVar);
CastInstruction castInsn = new CastInstruction();
castInsn.setReceiver(insn.getReceiver());
castInsn.setTargetType(type);
castInsn.setValue(resultVar);
instructions.add(castInsn);
return instructions;
}
}
}
return null;
}
@Override
public void visit(CastInstruction insn) {
assign(Expr.var(insn.getValue().getIndex()), insn.getReceiver());
}