[Nice-commit] Nice/src/bossa/syntax ConstantExp.java,1.47,1.48

[<bo...@us...>]

Update of /cvsroot/nice/Nice/src/bossa/syntax
In directory sc8-pr-cvs1:/tmp/cvs-serv16753/src/bossa/syntax

Modified Files:
	ConstantExp.java 
Log Message:
Allow unsigned hexadecimal constants that represent negative values.


Index: ConstantExp.java
===================================================================
RCS file: /cvsroot/nice/Nice/src/bossa/syntax/ConstantExp.java,v
retrieving revision 1.47
retrieving revision 1.48
diff -C2 -d -r1.47 -r1.48
*** ConstantExp.java	21 Oct 2003 14:46:10 -0000	1.47
--- ConstantExp.java	24 Nov 2003 13:20:44 -0000	1.48
***************
*** 236,250 ****
        throw new NumberFormatException("Negative sign in wrong position");
  
!     try {
!       result = Long.parseLong(rep.substring(index), radix);
!       if (negative) 
! 	result = -result;
!     } catch (NumberFormatException e) {
!       // Handle the case Long.MIN_VALUE:
!       // the absolute value overflows, but it should be valid
!       String constant = negative ? new String("-" + rep.substring(index))
! 	: rep.substring(index);
!       result = Long.parseLong(constant, radix);
!     }
      return result;
    }
--- 236,244 ----
        throw new NumberFormatException("Negative sign in wrong position");
  
!     result = new java.math.BigInteger(rep.substring(index), radix).longValue();
! 
!     if (negative) 
!       result = -result;
! 
      return result;
    }