Understand for Fortran

1
Understand for Fortran

• Chris Greenough and David J WorthSoftware
  Engineering Group
• Computational Science Engineering Department
• Rutherford Appleton Laboratory
• c.greenough_at_rl.ac.uk

2
What is Understand for FORTRAN?

• Understand for FORTRAN is a source code analyzer
  it helps programmers understand their FORTRAN
  software projects.
• Understand for FORTRAN analyzes your FORTRAN
  software to create a repository of the relations
  and structures contained within it. The
  repository is then used to learn about the source
  code.
• Understand for FORTRAN helps you quickly answer
  questions such as
• What is this entity?
• Where is it changed?
• Where is it referenced?
• Who depends on it?
• What does it depend on?
• Understand for FORTRAN answers these questions
  through interactive entity specific cross
  reference reports and graphical diagrams quickly
  showing the relevant information about a given
  entity

3
f90tohtml - http//mensch.org/f90tohtml

• Converts source to html
• PERL script
• syntax highlighted source
• split pane
• forward and backward subprogram calls
• clickable call tree
• subject index from user supplied hash

4
Running f90tohtml

• 2 files
• script to make list of source files
• input file
• location of source file list
• destination for html
• Script - prog_prepare.pl
• set the_path absolute path to head of source
  directories
• set outdir relative path to output directory
• set the_dirs relative paths to source
  directories
• set the_files regex for source files
• Possible to have gt 1 source list

5
Running f90tohtml cont.

• Input file - prog.f2h
• set file_array List of source file lists
• set dir_html Output directory for html
• set contents_title Title of web pages
• set default_index Which set of files to view by
  default
• set default_prog Which program/subroutine to
  view by default
• Run
• ./prog_prepare.pl
• f90tohtml prog.f2h