[nem-en] Location without bit-hanting :)

[vc]

      Hi, all
      
      The location bit hack (col, line, ... represented as a single field)
makes a lot of problems. For example, it does not support negative values
needed for relocation algorithm used to compensate editing changes (in VS
2005 and other IDE).
      
      I made some changes (see a patch file in the attachment) and replaced
the single field with normal fields.
      
      This solution solves the following problems.
      
      1. It eliminates restrictions on file count and location line and col
         values.
      2. Removes Location dependence on ManagerClass. In this case file
         index is globally unique, so is thread safer.
      3. Simplifies the source code.
         
      This solution does not affect the compiler performance at all.
         
      Pentium M 1.7 1 Gb RAM (notebook)
         
      Current boot binaries took:
      56 sec. and 150 Mb peak of memory size.
         
      In Debug mode it took:
      55 sec. and 171 Mb peak of memory size.
         
      In Release mode it took:
      54 sec. and 150 Mb peak of memory size.
         
      Dual Core Genuine 2GHz 2 GB RAM (notebook)
         
      Current boot binaries took:
      44 sec. and 154 Mb peak of memory size.
         
      In Release mode it took:
      44 sec. and 133 Mb peak of memory size.
         
      Really, this solution apparently does not affect the performance and
solves many problems.
      
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