diff options
Diffstat (limited to 'asm_count')
| -rwxr-xr-x | asm_count | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/asm_count b/asm_count new file mode 100755 index 0000000..d7ad0b1 --- /dev/null +++ b/asm_count @@ -0,0 +1,166 @@ +#!/usr/bin/perl -w +# asm_count - count physical lines of code in Assembly programs. +# Usage: asm_count [-f file] [list_of_files] +# file: file with a list of files to count (if "-", read list from stdin) +# list_of_files: list of files to count +# -f file or list_of_files can be used, or both +# This is a trivial/naive program. + +# For each file, it looks at the contents to heuristically determine +# if C comments are permitted and what the "comment" character is. +# If /* and */ are in the file, then C comments are permitted. +# The punctuation mark that starts the most lines must be the comment +# character (but ignoring "/" if C comments are allowed, and +# ignoring '#' if cpp commands appear to be used) + +# This is part of SLOCCount, a toolsuite that counts +# source lines of code (SLOC). +# Copyright (C) 2001-2004 David A. Wheeler. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# To contact David A. Wheeler, see his website at: +# http://www.dwheeler.com. + + + +$total_sloc = 0; + +# Do we have "-f" (read list of files from second argument)? +if (($#ARGV >= 1) && ($ARGV[0] eq "-f")) { + # Yes, we have -f + if ($ARGV[1] eq "-") { + # The list of files is in STDIN + while (<STDIN>) { + chomp ($_); + &count_file ($_); + } + } else { + # The list of files is in the file $ARGV[1] + open (FILEWITHLIST, $ARGV[1]) || die "Error: Could not open $ARGV[1]\n"; + while (<FILEWITHLIST>) { + chomp ($_); + &count_file ($_); + } + close FILEWITHLIST; + } + shift @ARGV; shift @ARGV; +} +# Process all (remaining) arguments as file names +while ($file = shift @ARGV) { + &count_file ($file); +} + +print "Total:\n"; +print "$total_sloc\n"; + +sub count_file { + my ($file) = @_; + # First, use heuristics to determine the comment char and if it uses C comments + $found_c_start = 0; + $found_c_end = 0; + $cpp_suspicious = 0; + $cpp_likely = 0; + $cpp_used = 0; + %count = (); + if ($file eq "") { + *CURRENTFILE = *STDIN + } else { + open(CURRENTFILE, "<$file"); + } + while (<CURRENTFILE>) { + if (m!\/\*!) { $found_c_start++;} + if (m!\*\/!) { $found_c_end++;} + if ( (m!^#\s*define\s!) || (m!^#\s*else!)) {$cpp_suspicious++;} + if ( (m!^#\s*ifdef\s!) || (m!^#\s*endif!) || (m!#\s*include!)) {$cpp_likely++;} + if (m/^\s*([;!\/#\@\|\*])/) { $count{$1}++; } # Found a likely comment char. + } + # Done examing file, let's figure out the parameters. + if ($found_c_start && $found_c_end) { + $ccomments = 1; + $count{'/'} = 0; + # $count{'*'} = 0; # Do this to ignore '*' if C comments are used. + } else { + $ccomments = 0; + } + if (($cpp_suspicious > 2) || ($cpp_likely >= 1)) { + $cpp_used = 1; + $count{'#'} = 0; + } else { + $cpp_used = 0; + } + $likeliest = ';'; + $likeliest_count = 0; + foreach $i (keys(%count)) { + # print "DEBUG: key=$i count=$count{$i}\n"; + if ($count{$i} > $likeliest_count) { + $likeliest = $i; + $likeliest_count = $count{$i}; + } + } + # print "DEBUG: likeliest = $likeliest\n"; + $commentchar=$likeliest; + close(CURRENTFILE); + + # Now count SLOC. + $sloc = 0; + $isincomment = 0; + open(CURRENTFILE, "<$file"); + while (<CURRENTFILE>) { + # We handle C comments first, so that if an EOL-comment + # occurs inside a C comment, it's ignored. + if ($ccomments) { + # Handle C /* */ comments; this will get fooled if they're in strings, + # but that would be rare in assembly. + while ( (m!\/\*!) || (m!\*\/!)) { # While unprocessed C comment. + if ($isincomment) { + s!.*?\*\/.*!!; + $isincomment = 0; + } else { # Not in C comment, but have end comment marker. + if (! m/\/\*/) { # Whups, there's no starting marker! + print STDERR "Warning: file $file line $. has unmatched comment end\n"; + # Get us back to a plausible state: + s/.*//; # Destroy everything + $isincomment = 0; + } else { + if (! s!\/\*.*?\*\/!!) { # Try to delete whole comment. + # We couldn't delete whole comment. Delete what's there. + s!\/\*.*!!; + $isincomment = 1; + } + } + } + } + } # End of handling C comments. + # This requires $[ be unchanged. + $locate_comment = index($_, $commentchar); + if ($locate_comment >= 0) { # We found a comment character, delete comment + $_ = substr($_, 0, $locate_comment); + # print "DEBUG New text: @",$_,"@\n"; + } + # old: s/${commentchar}.*//; # Delete leading comments. + + # FOR DEBUG: print "Finally isincomment=$isincomment line=$_\n"; + if ((! $isincomment) && (m/\S/)) {$sloc++;} + } + + # End-of-file processing + print "$sloc (commentchar=$commentchar C-comments=$ccomments) $file\n"; + $total_sloc += $sloc; + $sloc = 0; + if ($isincomment) { + print STDERR "Missing comment close in file $file\n"; + } +} |