Re: getting type information from this code

In the case of static finals, i believe the constant value is just folded 
into the class that uses it, and there is no reference of the class where 
the constant is defined.

----- Original Message ----- 
From: "Dean Hiller" <[email protected]>
To: "BCEL Users List" <[email protected]>
Sent: Thursday, January 13, 2005 2:33 PM
Subject: Re: getting type information from this code


> Sweet!!!  That is exactly what I want.  I will try to figure out the 
> methods
> I use in bcel to get that info.
>
> 2 more questions then....
> 1. Is there a way to find out if the -g option was used when looking at 
> the
> byte code?  I see there are different debug info also(lines, source, and
> vars)...I really would just like to see if all are on or not, or at least
> the vars so I can give an error saying class was not compiled with -g
> option.
> 2. If I have code like this
>
> public class Client {
> public void method() {
>    String s = SomeClass.CONSTANT;  //CONSTANT is static final
> }
> }
>
> Is there a way from the "Client" class file to tell that it depends on
> "SomeClass" class?  Is there anything in the bytecode that would tell me
> that?  I remember reading constants were compiled in though so I am 
> thinking
> this one is not possible, or am I wrong?
> thanks,
> dean
>
>
> ----- Original Message ----- 
> From: "Dave Brosius" <[email protected]>
> To: "BCEL Users List" <[email protected]>
> Sent: Wednesday, January 12, 2005 10:55 PM
> Subject: Re: getting type information from this code
>
>
>> No, all you know is what local variable slot the variable is found in.
> Then
>> you can look in the LocalVariableTable to find the information out
> (assuming
>> it is in the class file) [compiled with -g]
>>
>> the byte code would be something like
>>
>> aconst_null
>> astore_1
>>
>> ----- Original Message ----- 
>> From: "Dean Hiller" <[email protected]>
>> To: <[email protected]>
>> Sent: Thursday, January 13, 2005 12:36 AM
>> Subject: getting type information from this code
>>
>>
>> Am I correct in saying the byte code will not contain information on the
>> type for line 2 in the following code
>>
>>
>> line 1: public void someMethod() {
>> line 2:           DummyClass c = null;
>> line 3:  }
>>
>> Is it correct to say that the byte code will not contain info that the
>> variable c is of type DummyClass?  If I am incorrect, how do I get the
> type
>> information?
>> thanks,
>> dean
>>
>>
>>
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>
>
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