Q111091: FIX: Compiler Displays Incorrect Line-Number Information

Article: Q111091
Product(s): Microsoft Fortran Compiler
Version(s): 1.0,1.0a
Operating System(s): 
Keyword(s): 
Last Modified: 24-MAR-2000

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The information in this article applies to:

- Microsoft FORTRAN PowerStation for MS-DOS, versions 1.0, 1.0a 
- Microsoft Fortran Powerstation 32 for Windows NT, version 1.0 
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SYMPTOMS
========

An attempt to compile a file that contains more than 32767 source lines may
produce incorrect line-number information for compile-time error and warning
messages appearing after the 32767th line in a file. The line numbers displayed
are either negative or fall in the 0 (zero) to 32767 range.

When compiling from within the Visual Workbench, you cannot automatically jump to
lines containing these invalid line numbers.

CAUSE
=====

The line-number information is displayed as an INTEGER*2 value.

RESOLUTION
==========

If a subprogram is less than 32K in size, place the subprogram in a separate
file when compiling. Once debugged, the source file can be added to the end of
the original file if desired.

STATUS
======

Microsoft has confirmed this to be a problem in FORTRAN PowerStation 32 for
Windows NT and MS-DOS, version 1.0 and 1.0A. This problem was fixed in FORTRAN
PowerStation, version 4.0.

MORE INFORMATION
================

The following code can be compiled and run to create a sample that demonstrates
the problem:

Sample Code
-----------

  c Compile options needed: none
  c
        open(1,file='b.for',status='new')  ! Creates B.FOR
        write(1,*)   '     x = 0'
        do i=1,32*1024 - 1
          write(1,*) '     x = x + 1'
        end do
        write(1,*)   '     x == x + 1'
        write(1,*)   '     print*, x'
        write(1,*)   '     end'
        end

Additional query words: buglist1.00 1.00A

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Keywords          :  
Technology        : kbAudDeveloper kbFortranSearch kbZNotKeyword2 kbZNotKeyword3 kbFORTRANPower32100NT kbFORTRANPower100DOS kbFORTRANPower100aDOS
Version           : :1.0,1.0a
Issue type        : kbbug
Solution Type     : kbfix

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