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cloc-1.62.pl
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cloc-1.62.pl
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#!/usr/bin/env perl
# cloc -- Count Lines of Code {{{1
# Copyright (C) 2006-2014 Al Danial <[email protected]>
# First release August 2006
#
# Includes code from:
# - SLOCCount v2.26
# http://www.dwheeler.com/sloccount/
# by David Wheeler.
# - Regexp::Common v2.120
# http://search.cpan.org/~abigail/Regexp-Common-2.120/lib/Regexp/Common.pm
# by Damian Conway and Abigail.
# - Win32::Autoglob
# http://search.cpan.org/~sburke/Win32-Autoglob-1.01/Autoglob.pm
# by Sean M. Burke.
# - Algorithm::Diff
# http://search.cpan.org/~tyemq/Algorithm-Diff-1.1902/lib/Algorithm/Diff.pm
# by Tye McQueen.
#
# 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:
# <http://www.gnu.org/licenses/gpl.txt>.
#
# 1}}}
my $VERSION = "1.62"; # odd number == beta; even number == stable
my $URL = "http://cloc.sourceforge.net";
require 5.006;
# use modules {{{1
use warnings;
use strict;
use Getopt::Long;
use File::Basename;
use File::Temp qw { tempfile tempdir };
use File::Find;
use File::Path;
use File::Spec;
use IO::File;
use POSIX "strftime";
# Digest::MD5 isn't in the standard distribution. Use it only if installed.
my $HAVE_Digest_MD5 = 0;
eval "use Digest::MD5;";
if (defined $Digest::MD5::VERSION) {
$HAVE_Digest_MD5 = 1;
} else {
warn "Digest::MD5 not installed; will skip file uniqueness checks.\n";
}
# Time::HiRes became standard with Perl 5.8
my $HAVE_Time_HiRes = 0;
eval "use Time::HiRes;";
$HAVE_Time_HiRes = 1 if defined $Time::HiRes::VERSION;
my $HAVE_Rexexp_Common;
# Regexp::Common isn't in the standard distribution. It will
# be installed in a temp directory if necessary.
BEGIN {
if (eval "use Regexp::Common;") {
$HAVE_Rexexp_Common = 1;
} else {
$HAVE_Rexexp_Common = 0;
}
}
my $HAVE_Algorith_Diff = 0;
# Algorithm::Diff isn't in the standard distribution. It will
# be installed in a temp directory if necessary.
eval "use Algorithm::Diff qw ( sdiff ) ";
if (defined $Algorithm::Diff::VERSION) {
$HAVE_Algorith_Diff = 1;
} else {
Install_Algorithm_Diff();
}
# print "2 HAVE_Algorith_Diff = $HAVE_Algorith_Diff\n";
# test_alg_diff($ARGV[$#ARGV - 1], $ARGV[$#ARGV]); die;
# Uncomment next two lines when building Windows executable with perl2exe
# or if running on a system that already has Regexp::Common.
#use Regexp::Common;
#$HAVE_Rexexp_Common = 1;
#perl2exe_include "Regexp/Common/whitespace.pm"
#perl2exe_include "Regexp/Common/URI.pm"
#perl2exe_include "Regexp/Common/URI/fax.pm"
#perl2exe_include "Regexp/Common/URI/file.pm"
#perl2exe_include "Regexp/Common/URI/ftp.pm"
#perl2exe_include "Regexp/Common/URI/gopher.pm"
#perl2exe_include "Regexp/Common/URI/http.pm"
#perl2exe_include "Regexp/Common/URI/pop.pm"
#perl2exe_include "Regexp/Common/URI/prospero.pm"
#perl2exe_include "Regexp/Common/URI/news.pm"
#perl2exe_include "Regexp/Common/URI/tel.pm"
#perl2exe_include "Regexp/Common/URI/telnet.pm"
#perl2exe_include "Regexp/Common/URI/tv.pm"
#perl2exe_include "Regexp/Common/URI/wais.pm"
#perl2exe_include "Regexp/Common/CC.pm"
#perl2exe_include "Regexp/Common/SEN.pm"
#perl2exe_include "Regexp/Common/number.pm"
#perl2exe_include "Regexp/Common/delimited.pm"
#perl2exe_include "Regexp/Common/profanity.pm"
#perl2exe_include "Regexp/Common/net.pm"
#perl2exe_include "Regexp/Common/zip.pm"
#perl2exe_include "Regexp/Common/comment.pm"
#perl2exe_include "Regexp/Common/balanced.pm"
#perl2exe_include "Regexp/Common/lingua.pm"
#perl2exe_include "Regexp/Common/list.pm"
#perl2exe_include "File/Glob.pm"
use Text::Tabs qw { expand };
use Cwd qw { cwd };
use File::Glob;
my $PERL_516 = $] >= 5.016 ? 1 : 0; # 5.16 deprecates defined(@array)
no warnings 'deprecated'; # will need to comment this out to test
# each new Perl version
# 1}}}
# Usage information, options processing. {{{1
my $ON_WINDOWS = 0;
$ON_WINDOWS = 1 if ($^O =~ /^MSWin/) or ($^O eq "Windows_NT");
if ($ON_WINDOWS and $ENV{'SHELL'}) {
if ($ENV{'SHELL'} =~ m{^/}) {
$ON_WINDOWS = 0; # make Cygwin look like Unix
} else {
$ON_WINDOWS = 1; # MKS defines $SHELL but still acts like Windows
}
}
my $NN = chr(27) . "[0m"; # normal
$NN = "" if $ON_WINDOWS or !(-t STDERR); # -t STDERR: is it a terminal?
my $BB = chr(27) . "[1m"; # bold
$BB = "" if $ON_WINDOWS or !(-t STDERR);
my $script = basename $0;
my $usage = "
Usage: $script [options] <file(s)/dir(s)> | <set 1> <set 2> | <report files>
Count, or compute differences of, physical lines of source code in the
given files (may be archives such as compressed tarballs or zip files)
and/or recursively below the given directories.
${BB}Input Options${NN}
--extract-with=<cmd> This option is only needed if cloc is unable
to figure out how to extract the contents of
the input file(s) by itself.
Use <cmd> to extract binary archive files (e.g.:
.tar.gz, .zip, .Z). Use the literal '>FILE<' as
a stand-in for the actual file(s) to be
extracted. For example, to count lines of code
in the input files
gcc-4.2.tar.gz perl-5.8.8.tar.gz
on Unix use
--extract-with='gzip -dc >FILE< | tar xf -'
or, if you have GNU tar,
--extract-with='tar zxf >FILE<'
and on Windows use, for example:
--extract-with=\"\\\"c:\\Program Files\\WinZip\\WinZip32.exe\\\" -e -o >FILE< .\"
(if WinZip is installed there).
--list-file=<file> Take the list of file and/or directory names to
process from <file> which has one file/directory
name per line. See also --exclude-list-file.
--unicode Check binary files to see if they contain Unicode
expanded ASCII text. This causes performance to
drop noticably.
${BB}Processing Options${NN}
--autoconf Count .in files (as processed by GNU autoconf) of
recognized languages.
--by-file Report results for every source file encountered.
--by-file-by-lang Report results for every source file encountered
in addition to reporting by language.
--diff <set1> <set2> Compute differences in code and comments between
source file(s) of <set1> and <set2>. The inputs
may be pairs of files, directories, or archives.
Use --diff-alignment to generate a list showing
which file pairs where compared. See also
--ignore-case, --ignore-whitespace.
--diff-timeout <N> Ignore files which take more than <N> seconds
to process. Default is 10 seconds.
(Large files with many repeated lines can cause
Algorithm::Diff::sdiff() to take hours.)
--follow-links [Unix only] Follow symbolic links to directories
(sym links to files are always followed).
--force-lang=<lang>[,<ext>]
Process all files that have a <ext> extension
with the counter for language <lang>. For
example, to count all .f files with the
Fortran 90 counter (which expects files to
end with .f90) instead of the default Fortran 77
counter, use
--force-lang=\"Fortran 90\",f
If <ext> is omitted, every file will be counted
with the <lang> counter. This option can be
specified multiple times (but that is only
useful when <ext> is given each time).
See also --script-lang, --lang-no-ext.
--force-lang-def=<file> Load language processing filters from <file>,
then use these filters instead of the built-in
filters. Note: languages which map to the same
file extension (for example:
MATLAB/Objective C/MUMPS; Pascal/PHP;
Lisp/OpenCL) will be ignored as these require
additional processing that is not expressed in
language definition files. Use --read-lang-def
to define new language filters without replacing
built-in filters (see also --write-lang-def).
--ignore-whitespace Ignore horizontal white space when comparing files
with --diff. See also --ignore-case.
--ignore-case Ignore changes in case; consider upper- and lower-
case letters equivalent when comparing files with
--diff. See also --ignore-whitespace.
--lang-no-ext=<lang> Count files without extensions using the <lang>
counter. This option overrides internal logic
for files without extensions (where such files
are checked against known scripting languages
by examining the first line for #!). See also
--force-lang, --script-lang.
--max-file-size=<MB> Skip files larger than <MB> megabytes when
traversing directories. By default, <MB>=100.
cloc's memory requirement is roughly twenty times
larger than the largest file so running with
files larger than 100 MB on a computer with less
than 2 GB of memory will cause problems.
Note: this check does not apply to files
explicitly passed as command line arguments.
--read-binary-files Process binary files in addition to text files.
This is usually a bad idea and should only be
attempted with text files that have embedded
binary data.
--read-lang-def=<file> Load new language processing filters from <file>
and merge them with those already known to cloc.
If <file> defines a language cloc already knows
about, cloc's definition will take precedence.
Use --force-lang-def to over-ride cloc's
definitions (see also --write-lang-def ).
--script-lang=<lang>,<s> Process all files that invoke <s> as a #!
scripting language with the counter for language
<lang>. For example, files that begin with
#!/usr/local/bin/perl5.8.8
will be counted with the Perl counter by using
--script-lang=Perl,perl5.8.8
The language name is case insensitive but the
name of the script language executable, <s>,
must have the right case. This option can be
specified multiple times. See also --force-lang,
--lang-no-ext.
--sdir=<dir> Use <dir> as the scratch directory instead of
letting File::Temp chose the location. Files
written to this location are not removed at
the end of the run (as they are with File::Temp).
--skip-uniqueness Skip the file uniqueness check. This will give
a performance boost at the expense of counting
files with identical contents multiple times
(if such duplicates exist).
--stdin-name=<file> Give a file name to use to determine the language
for standard input.
--strip-comments=<ext> For each file processed, write to the current
directory a version of the file which has blank
lines and comments removed. The name of each
stripped file is the original file name with
.<ext> appended to it. It is written to the
current directory unless --original-dir is on.
--original-dir [Only effective in combination with
--strip-comments] Write the stripped files
to the same directory as the original files.
--sum-reports Input arguments are report files previously
created with the --report-file option. Makes
a cumulative set of results containing the
sum of data from the individual report files.
--unix Override the operating system autodetection
logic and run in UNIX mode. See also
--windows, --show-os.
--windows Override the operating system autodetection
logic and run in Microsoft Windows mode.
See also --unix, --show-os.
${BB}Filter Options${NN}
--exclude-dir=<D1>[,D2,] Exclude the given comma separated directories
D1, D2, D3, et cetera, from being scanned. For
example --exclude-dir=.cache,test will skip
all files that have /.cache/ or /test/ as part
of their path.
Directories named .bzr, .cvs, .hg, .git, and
.svn are always excluded.
--exclude-ext=<ext1>[,<ext2>[...]]
Do not count files having the given file name
extensions.
--exclude-lang=<L1>[,L2,] Exclude the given comma separated languages
L1, L2, L3, et cetera, from being counted.
--exclude-list-file=<file> Ignore files and/or directories whose names
appear in <file>. <file> should have one entry
per line. Relative path names will be resolved
starting from the directory where cloc is
invoked. See also --list-file.
--match-d=<regex> Only count files in directories matching the Perl
regex. For example
--match-d='/(src|include)/'
only counts files in directories containing
/src/ or /include/.
--not-match-d=<regex> Count all files except those in directories
matching the Perl regex.
--match-f=<regex> Only count files whose basenames match the Perl
regex. For example
--match-f='^[Ww]idget'
only counts files that start with Widget or widget.
--not-match-f=<regex> Count all files except those whose basenames
match the Perl regex.
--skip-archive=<regex> Ignore files that end with the given Perl regular
expression. For example, if given
--skip-archive='(zip|tar(\.(gz|Z|bz2|xz|7z))?)'
the code will skip files that end with .zip,
.tar, .tar.gz, .tar.Z, .tar.bz2, .tar.xz, and
.tar.7z.
--skip-win-hidden On Windows, ignore hidden files.
${BB}Debug Options${NN}
--categorized=<file> Save names of categorized files to <file>.
--counted=<file> Save names of processed source files to <file>.
--explain=<lang> Print the filters used to remove comments for
language <lang> and exit. In some cases the
filters refer to Perl subroutines rather than
regular expressions. An examination of the
source code may be needed for further explanation.
--diff-alignment=<file> Write to <file> a list of files and file pairs
showing which files were added, removed, and/or
compared during a run with --diff. This switch
forces the --diff mode on.
--help Print this usage information and exit.
--found=<file> Save names of every file found to <file>.
--ignored=<file> Save names of ignored files and the reason they
were ignored to <file>.
--print-filter-stages Print processed source code before and after
each filter is applied.
--show-ext[=<ext>] Print information about all known (or just the
given) file extensions and exit.
--show-lang[=<lang>] Print information about all known (or just the
given) languages and exit.
--show-os Print the value of the operating system mode
and exit. See also --unix, --windows.
-v[=<n>] Verbose switch (optional numeric value).
--version Print the version of this program and exit.
--write-lang-def=<file> Writes to <file> the language processing filters
then exits. Useful as a first step to creating
custom language definitions (see also
--force-lang-def, --read-lang-def).
${BB}Output Options${NN}
--3 Print third-generation language output.
(This option can cause report summation to fail
if some reports were produced with this option
while others were produced without it.)
--progress-rate=<n> Show progress update after every <n> files are
processed (default <n>=100). Set <n> to 0 to
suppress progress output (useful when redirecting
output to STDOUT).
--quiet Suppress all information messages except for
the final report.
--report-file=<file> Write the results to <file> instead of STDOUT.
--out=<file> Synonym for --report-file=<file>.
--csv Write the results as comma separated values.
--csv-delimiter=<C> Use the character <C> as the delimiter for comma
separated files instead of ,. This switch forces
--csv to be on.
--sql=<file> Write results as SQL create and insert statements
which can be read by a database program such as
SQLite. If <file> is -, output is sent to STDOUT.
--sql-project=<name> Use <name> as the project identifier for the
current run. Only valid with the --sql option.
--sql-append Append SQL insert statements to the file specified
by --sql and do not generate table creation
statements. Only valid with the --sql option.
--sum-one For plain text reports, show the SUM: output line
even if only one input file is processed.
--xml Write the results in XML.
--xsl=<file> Reference <file> as an XSL stylesheet within
the XML output. If <file> is 1 (numeric one),
writes a default stylesheet, cloc.xsl (or
cloc-diff.xsl if --diff is also given).
This switch forces --xml on.
--yaml Write the results in YAML.
";
# Help information for options not yet implemented:
# --inline Process comments that appear at the end
# of lines containing code.
# --html Create HTML files of each input file showing
# comment and code lines in different colors.
$| = 1; # flush STDOUT
my $start_time = get_time();
my (
$opt_categorized ,
$opt_found ,
@opt_force_lang ,
$opt_lang_no_ext ,
@opt_script_lang ,
$opt_diff ,
$opt_diff_alignment ,
$opt_diff_timeout ,
$opt_html ,
$opt_ignored ,
$opt_counted ,
$opt_show_ext ,
$opt_show_lang ,
$opt_progress_rate ,
$opt_print_filter_stages ,
$opt_v ,
$opt_version ,
$opt_exclude_lang ,
$opt_exclude_list_file ,
$opt_exclude_dir ,
$opt_explain ,
$opt_force_lang_def ,
$opt_read_lang_def ,
$opt_write_lang_def ,
$opt_strip_comments ,
$opt_original_dir ,
$opt_quiet ,
$opt_report_file ,
$opt_sdir ,
$opt_sum_reports ,
$opt_unicode ,
$opt_no3 , # accept it but don't use it
$opt_3 ,
$opt_extract_with ,
$opt_by_file ,
$opt_by_file_by_lang ,
$opt_xml ,
$opt_xsl ,
$opt_yaml ,
$opt_csv ,
$opt_csv_delimiter ,
$opt_match_f ,
$opt_not_match_f ,
$opt_match_d ,
$opt_not_match_d ,
$opt_skip_uniqueness ,
$opt_list_file ,
$opt_help ,
$opt_skip_win_hidden ,
$opt_read_binary_files ,
$opt_sql ,
$opt_sql_append ,
$opt_sql_project ,
$opt_inline ,
$opt_exclude_ext ,
$opt_ignore_whitespace ,
$opt_ignore_case ,
$opt_follow_links ,
$opt_autoconf ,
$opt_sum_one ,
$opt_stdin_name ,
$opt_force_on_windows ,
$opt_force_on_unix , # actually forces !$ON_WINDOWS
$opt_show_os ,
$opt_skip_archive ,
$opt_max_file_size , # in MB
);
my $getopt_success = GetOptions(
"by_file|by-file" => \$opt_by_file ,
"by_file_by_lang|by-file-by-lang" => \$opt_by_file_by_lang ,
"categorized=s" => \$opt_categorized ,
"counted=s" => \$opt_counted ,
"exclude_lang|exclude-lang=s" => \$opt_exclude_lang ,
"exclude_dir|exclude-dir=s" => \$opt_exclude_dir ,
"exclude_list_file|exclude-list-file=s" => \$opt_exclude_list_file ,
"explain=s" => \$opt_explain ,
"extract_with|extract-with=s" => \$opt_extract_with ,
"found=s" => \$opt_found ,
"diff" => \$opt_diff ,
"diff-alignment|diff_alignment=s" => \$opt_diff_alignment ,
"diff-timeout|diff_timeout=i" => \$opt_diff_timeout ,
"html" => \$opt_html ,
"ignored=s" => \$opt_ignored ,
"quiet" => \$opt_quiet ,
"force_lang_def|force-lang-def=s" => \$opt_force_lang_def ,
"read_lang_def|read-lang-def=s" => \$opt_read_lang_def ,
"show_ext|show-ext:s" => \$opt_show_ext ,
"show_lang|show-lang:s" => \$opt_show_lang ,
"progress_rate|progress-rate=i" => \$opt_progress_rate ,
"print_filter_stages|print-filter-stages" => \$opt_print_filter_stages ,
"report_file|report-file=s" => \$opt_report_file ,
"out=s" => \$opt_report_file ,
"script_lang|script-lang=s" => \@opt_script_lang ,
"sdir=s" => \$opt_sdir ,
"skip_uniqueness|skip-uniqueness" => \$opt_skip_uniqueness ,
"strip_comments|strip-comments=s" => \$opt_strip_comments ,
"original_dir|original-dir" => \$opt_original_dir ,
"sum_reports|sum-reports" => \$opt_sum_reports ,
"unicode" => \$opt_unicode ,
"no3" => \$opt_no3 , # ignored
"3" => \$opt_3 ,
"v:i" => \$opt_v ,
"version" => \$opt_version ,
"write_lang_def|write-lang-def=s" => \$opt_write_lang_def ,
"xml" => \$opt_xml ,
"xsl=s" => \$opt_xsl ,
"force_lang|force-lang=s" => \@opt_force_lang ,
"lang_no_ext|lang-no-ext=s" => \$opt_lang_no_ext ,
"yaml" => \$opt_yaml ,
"csv" => \$opt_csv ,
"csv_delimeter|csv-delimiter=s" => \$opt_csv_delimiter ,
"match_f|match-f=s" => \$opt_match_f ,
"not_match_f|not-match-f=s" => \$opt_not_match_f ,
"match_d|match-d=s" => \$opt_match_d ,
"not_match_d|not-match-d=s" => \$opt_not_match_d ,
"list_file|list-file=s" => \$opt_list_file ,
"help" => \$opt_help ,
"skip_win_hidden|skip-win-hidden" => \$opt_skip_win_hidden ,
"read_binary_files|read-binary-files" => \$opt_read_binary_files ,
"sql=s" => \$opt_sql ,
"sql_project|sql-project=s" => \$opt_sql_project ,
"sql_append|sql-append" => \$opt_sql_append ,
"inline" => \$opt_inline ,
"exclude_ext|exclude-ext=s" => \$opt_exclude_ext ,
"ignore_whitespace|ignore-whitespace" => \$opt_ignore_whitespace ,
"ignore_case|ignore-case" => \$opt_ignore_case ,
"follow_links|follow-links" => \$opt_follow_links ,
"autoconf" => \$opt_autoconf ,
"sum_one|sum-one" => \$opt_sum_one ,
"stdin_name|stdin-name=s" => \$opt_stdin_name ,
"windows" => \$opt_force_on_windows ,
"unix" => \$opt_force_on_unix ,
"show_os|show-os" => \$opt_show_os ,
"skip_archive|skip-archive=s" => \$opt_skip_archive ,
"max_file_size|max-file-size=i" => \$opt_max_file_size ,
);
$opt_by_file = 1 if defined $opt_by_file_by_lang;
my $CLOC_XSL = "cloc.xsl"; # created with --xsl
$CLOC_XSL = "cloc-diff.xsl" if $opt_diff;
die "\n" unless $getopt_success;
die $usage if $opt_help;
my %Exclude_Language = ();
%Exclude_Language = map { $_ => 1 } split(/,/, $opt_exclude_lang)
if $opt_exclude_lang;
my %Exclude_Dir = ();
%Exclude_Dir = map { $_ => 1 } split(/,/, $opt_exclude_dir )
if $opt_exclude_dir ;
# Forcibly exclude .svn, .cvs, .hg, .git, .bzr directories. The contents of these
# directories often conflict with files of interest.
$opt_exclude_dir = 1;
$Exclude_Dir{".svn"} = 1;
$Exclude_Dir{".cvs"} = 1;
$Exclude_Dir{".hg"} = 1;
$Exclude_Dir{".git"} = 1;
$Exclude_Dir{".bzr"} = 1;
$opt_diff = 1 if $opt_diff_alignment;
$opt_exclude_ext = "" unless $opt_exclude_ext;
$opt_ignore_whitespace = 0 unless $opt_ignore_whitespace;
$opt_ignore_case = 0 unless $opt_ignore_case;
$opt_lang_no_ext = 0 unless $opt_lang_no_ext;
$opt_follow_links = 0 unless $opt_follow_links;
$opt_diff_timeout =10 unless $opt_diff_timeout;
$opt_csv = 1 if $opt_csv_delimiter;
$ON_WINDOWS = 1 if $opt_force_on_windows;
$ON_WINDOWS = 0 if $opt_force_on_unix;
$opt_max_file_size = 100 unless $opt_max_file_size;
# Options defaults:
$opt_progress_rate = 100 unless defined $opt_progress_rate;
$opt_progress_rate = 0 if defined $opt_quiet;
if (!defined $opt_v) {
$opt_v = 0;
} elsif (!$opt_v) {
$opt_v = 1;
}
if (defined $opt_xsl) {
$opt_xsl = $CLOC_XSL if $opt_xsl eq "1";
$opt_xml = 1;
}
my $skip_generate_report = 0;
$opt_sql = 0 unless defined $opt_sql;
if ($opt_sql eq "-" || $opt_sql eq "1") { # stream SQL output to STDOUT
$opt_quiet = 1;
$skip_generate_report = 1;
$opt_by_file = 1;
$opt_sum_reports = 0;
$opt_progress_rate = 0;
} elsif ($opt_sql) { # write SQL output to a file
$opt_by_file = 1;
$skip_generate_report = 1;
$opt_sum_reports = 0;
}
die $usage unless defined $opt_version or
defined $opt_show_lang or
defined $opt_show_ext or
defined $opt_show_os or
defined $opt_write_lang_def or
defined $opt_list_file or
defined $opt_xsl or
defined $opt_explain or
scalar @ARGV >= 1;
die "--diff requires two arguments; got ", scalar @ARGV, "\n"
if $opt_diff and scalar @ARGV != 2;
if ($opt_version) {
printf "$VERSION\n";
exit;
}
# 1}}}
# Step 1: Initialize global constants. {{{1
#
my $nFiles_Found = 0; # updated in make_file_list
my (%Language_by_Extension, %Language_by_Script,
%Filters_by_Language, %Not_Code_Extension, %Not_Code_Filename,
%Language_by_File, %Scale_Factor, %Known_Binary_Archives,
%EOL_Continuation_re,
);
my $ALREADY_SHOWED_HEADER = 0;
my $ALREADY_SHOWED_XML_SECTION = 0;
my %Error_Codes = ( 'Unable to read' => -1,
'Neither file nor directory' => -2,
'Diff error (quoted comments?)' => -3,
'Diff error, exceeded timeout' => -4,
);
if ($opt_force_lang_def) {
# replace cloc's definitions
read_lang_def(
$opt_force_lang_def , # Sample values:
\%Language_by_Extension, # Language_by_Extension{f} = 'Fortran 77'
\%Language_by_Script , # Language_by_Script{sh} = 'Bourne Shell'
\%Language_by_File , # Language_by_File{makefile} = 'make'
\%Filters_by_Language , # Filters_by_Language{Bourne Shell}[0] =
# [ 'remove_matches' , '^\s*#' ]
\%Not_Code_Extension , # Not_Code_Extension{jpg} = 1
\%Not_Code_Filename , # Not_Code_Filename{README} = 1
\%Scale_Factor , # Scale_Factor{Perl} = 4.0
\%EOL_Continuation_re , # EOL_Continuation_re{C++} = '\\$'
);
} else {
set_constants( #
\%Language_by_Extension, # Language_by_Extension{f} = 'Fortran 77'
\%Language_by_Script , # Language_by_Script{sh} = 'Bourne Shell'
\%Language_by_File , # Language_by_File{makefile} = 'make'
\%Filters_by_Language , # Filters_by_Language{Bourne Shell}[0] =
# [ 'remove_matches' , '^\s*#' ]
\%Not_Code_Extension , # Not_Code_Extension{jpg} = 1
\%Not_Code_Filename , # Not_Code_Filename{README} = 1
\%Scale_Factor , # Scale_Factor{Perl} = 4.0
\%Known_Binary_Archives, # Known_Binary_Archives{.tar} = 1
\%EOL_Continuation_re , # EOL_Continuation_re{C++} = '\\$'
);
}
if ($opt_read_lang_def) {
# augment cloc's definitions (keep cloc's where there are overlaps)
merge_lang_def(
$opt_read_lang_def , # Sample values:
\%Language_by_Extension, # Language_by_Extension{f} = 'Fortran 77'
\%Language_by_Script , # Language_by_Script{sh} = 'Bourne Shell'
\%Language_by_File , # Language_by_File{makefile} = 'make'
\%Filters_by_Language , # Filters_by_Language{Bourne Shell}[0] =
# [ 'remove_matches' , '^\s*#' ]
\%Not_Code_Extension , # Not_Code_Extension{jpg} = 1
\%Not_Code_Filename , # Not_Code_Filename{README} = 1
\%Scale_Factor , # Scale_Factor{Perl} = 4.0
\%EOL_Continuation_re , # EOL_Continuation_re{C++} = '\\$'
);
}
if ($opt_lang_no_ext and !defined $Filters_by_Language{$opt_lang_no_ext}) {
die_unknown_lang($opt_lang_no_ext, "--lang-no-ext")
}
check_scale_existence(\%Filters_by_Language, \%Scale_Factor);
# Process command line provided extention-to-language mapping overrides.
# Make a hash of known languages in lower case for easier matching.
my %Recognized_Language_lc = (); # key = language name in lc, value = true name
foreach my $language (keys %Filters_by_Language) {
my $lang_lc = lc $language;
$Recognized_Language_lc{$lang_lc} = $language;
}
my %Forced_Extension = (); # file name extensions which user wants to count
my $All_One_Language = 0; # set to !0 if --force-lang's <ext> is missing
foreach my $pair (@opt_force_lang) {
my ($lang, $extension) = split(',', $pair);
my $lang_lc = lc $lang;
if (defined $extension) {
$Forced_Extension{$extension} = $lang;
die_unknown_lang($lang, "--force-lang")
unless $Recognized_Language_lc{$lang_lc};
$Language_by_Extension{$extension} = $Recognized_Language_lc{$lang_lc};
} else {
# the scary case--count everything as this language
$All_One_Language = $Recognized_Language_lc{$lang_lc};
}
}
foreach my $pair (@opt_script_lang) {
my ($lang, $script_name) = split(',', $pair);
my $lang_lc = lc $lang;
if (!defined $script_name) {
die "The --script-lang option requires a comma separated pair of ".
"strings.\n";
}
die_unknown_lang($lang, "--script-lang")
unless $Recognized_Language_lc{$lang_lc};
$Language_by_Script{$script_name} = $Recognized_Language_lc{$lang_lc};
}
# If user provided file extensions to ignore, add these to
# the exclusion list.
foreach my $ext (map { $_ => 1 } split(/,/, $opt_exclude_ext ) ) {
$ext = lc $ext if $ON_WINDOWS;
$Not_Code_Extension{$ext} = 1;
}
# If SQL or --by-file output is requested, keep track of directory names
# generated by File::Temp::tempdir and used to temporarily hold the results
# of compressed archives. Contents of the SQL table 't' will be much
# cleaner if these meaningless directory names are stripped from the front
# of files pulled from the archives.
my %TEMP_DIR = ();
my $TEMP_OFF = 0; # Needed for --sdir; keep track of the number of
# scratch directories made in this run to avoid
# file overwrites by multiple extractions to same
# sdir.
# Also track locations where temporary installations, if necessary, of
# Algorithm::Diff and/or Regexp::Common are done. Make sure these
# directories are not counted as inputs (ref bug #80 2012-11-23).
my %TEMP_INST = ();
# invert %Language_by_Script hash to get an easy-to-look-up list of known
# scripting languages
my %Script_Language = map { $_ => 1 } values %Language_by_Script ;
# 1}}}
# Step 2: Early exits for display, summation. {{{1
#
print_extension_info( $opt_show_ext ) if defined $opt_show_ext ;
print_language_info( $opt_show_lang) if defined $opt_show_lang;
print_language_filters( $opt_explain ) if defined $opt_explain ;
exit if (defined $opt_show_ext) or
(defined $opt_show_lang) or
(defined $opt_explain);
#print "Before glob have [", join(",", @ARGV), "]\n";
@ARGV = windows_glob(@ARGV) if $ON_WINDOWS;
#print "after glob have [", join(",", @ARGV), "]\n";
# filter out archive files if requested to do so
if (defined $opt_skip_archive) {
my @non_archive = ();
foreach my $candidate (@ARGV) {
if ($candidate !~ m/${opt_skip_archive}$/) {
push @non_archive, $candidate;
}
}
@ARGV = @non_archive;
}
if ($opt_sum_reports and $opt_diff) {
my @results = ();
if ($opt_list_file) { # read inputs from the list file
my @list = read_list_file($opt_list_file);
@results = combine_diffs(\@list);
} else { # get inputs from the command line
@results = combine_diffs(\@ARGV);
}
if ($opt_report_file) {
write_file($opt_report_file, @results);
} else {
print "\n", join("\n", @results), "\n";
}
exit;
}
if ($opt_sum_reports) {
my %Results = ();
foreach my $type( "by language", "by report file" ) {
my $found_lang = undef;
if ($opt_list_file) { # read inputs from the list file
my @list = read_list_file($opt_list_file);
$found_lang = combine_results(\@list,
$type,
\%{$Results{ $type }},
\%Filters_by_Language );
} else { # get inputs from the command line
$found_lang = combine_results(\@ARGV,
$type,
\%{$Results{ $type }},
\%Filters_by_Language );
}
next unless %Results;
my $end_time = get_time();
my @results = generate_report($VERSION, $end_time - $start_time,
$type,
\%{$Results{ $type }}, \%Scale_Factor);
if ($opt_report_file) {
my $ext = ".lang";
$ext = ".file" unless $type eq "by language";
next if !$found_lang and $ext eq ".lang";
write_file($opt_report_file . $ext, @results);
} else {
print "\n", join("\n", @results), "\n";
}
}
exit;
}
if ($opt_write_lang_def) {
write_lang_def($opt_write_lang_def ,
\%Language_by_Extension,
\%Language_by_Script ,
\%Language_by_File ,
\%Filters_by_Language ,
\%Not_Code_Extension ,
\%Not_Code_Filename ,
\%Scale_Factor ,
\%EOL_Continuation_re ,
);
exit;
}
if ($opt_show_os) {
if ($ON_WINDOWS) {
print "Windows\n";
} else {
print "UNIX\n";
}
exit;
}
# 1}}}
# Step 3: Create a list of files to consider. {{{1
# a) If inputs are binary archives, first cd to a temp
# directory, expand the archive with the user-given
# extraction tool, then add the temp directory to
# the list of dirs to process.
# b) Create a list of every file that might contain source
# code. Ignore binary files, zero-sized files, and
# any file in a directory the user says to exclude.
# c) Determine the language for each file in the list.
#
my @binary_archive = ();
my $cwd = cwd();
if ($opt_extract_with) {
#print "cwd main = [$cwd]\n";
my @extract_location = ();
foreach my $bin_file (@ARGV) {
my $extract_dir = undef;
if ($opt_sdir) {
++$TEMP_OFF;
$extract_dir = "$opt_sdir/$TEMP_OFF";
File::Path::rmtree($extract_dir) if is_dir($extract_dir);
File::Path::mkpath($extract_dir) unless is_dir($extract_dir);
} else {
$extract_dir = tempdir( CLEANUP => 1 ); # 1 = delete on exit
}
$TEMP_DIR{ $extract_dir } = 1 if $opt_sql or $opt_by_file;
print "mkdir $extract_dir\n" if $opt_v;
print "cd $extract_dir\n" if $opt_v;
chdir $extract_dir;
my $bin_file_full_path = "";
if (File::Spec->file_name_is_absolute( $bin_file )) {
$bin_file_full_path = $bin_file;
#print "bin_file_full_path (was ful) = [$bin_file_full_path]\n";
} else {
$bin_file_full_path = File::Spec->catfile( $cwd, $bin_file );
#print "bin_file_full_path (was rel) = [$bin_file_full_path]\n";
}
my $extract_cmd = uncompress_archive_cmd($bin_file_full_path);
print $extract_cmd, "\n" if $opt_v;
system $extract_cmd;
push @extract_location, $extract_dir;
chdir $cwd;
}
# It is possible that the binary archive itself contains additional
# files compressed the same way (true for Java .ear files). Go
# through all the files that were extracted, see if they are binary
# archives and try to extract them. Lather, rinse, repeat.
my $binary_archives_exist = 1;
my $count_binary_archives = 0;
my $previous_count = 0;
my $n_pass = 0;
while ($binary_archives_exist) {
@binary_archive = ();
foreach my $dir (@extract_location) {
find(\&archive_files, $dir); # populates global @binary_archive
}
foreach my $archive (@binary_archive) {
my $extract_dir = undef;
if ($opt_sdir) {
++$TEMP_OFF;
$extract_dir = "$opt_sdir/$TEMP_OFF";
File::Path::rmtree($extract_dir) if is_dir($extract_dir);
File::Path::mkpath($extract_dir) unless is_dir($extract_dir);
} else {
$extract_dir = tempdir( CLEANUP => 1 ); # 1 = delete on exit
}
$TEMP_DIR{ $extract_dir } = 1 if $opt_sql or $opt_by_file;
print "mkdir $extract_dir\n" if $opt_v;
print "cd $extract_dir\n" if $opt_v;
chdir $extract_dir;
my $extract_cmd = uncompress_archive_cmd($archive);
print $extract_cmd, "\n" if $opt_v;
system $extract_cmd;
push @extract_location, $extract_dir;
unlink $archive; # otherwise will be extracting it forever
}
$count_binary_archives = scalar @binary_archive;
if ($count_binary_archives == $previous_count) {
$binary_archives_exist = 0;
}
$previous_count = $count_binary_archives;
}
chdir $cwd;
@ARGV = @extract_location;
} else {
# see if any of the inputs need to be auto-uncompressed &/or expanded
my @updated_ARGS = ();
foreach my $Arg (@ARGV) {
if (is_dir($Arg)) {
push @updated_ARGS, $Arg;
next;
}
my $full_path = "";
if (File::Spec->file_name_is_absolute( $Arg )) {
$full_path = $Arg;
} else {
$full_path = File::Spec->catfile( $cwd, $Arg );
}
#print "full_path = [$full_path]\n";
my $extract_cmd = uncompress_archive_cmd($full_path);
if ($extract_cmd) {
my $extract_dir = undef;
if ($opt_sdir) {
++$TEMP_OFF;
$extract_dir = "$opt_sdir/$TEMP_OFF";
File::Path::rmtree($extract_dir) if is_dir($extract_dir);
File::Path::mkpath($extract_dir) unless is_dir($extract_dir);
} else {
$extract_dir = tempdir( CLEANUP => 1 ); # 1 = delete on exit
}
$TEMP_DIR{ $extract_dir } = 1 if $opt_sql or $opt_by_file;
print "mkdir $extract_dir\n" if $opt_v;
print "cd $extract_dir\n" if $opt_v;
chdir $extract_dir;
print $extract_cmd, "\n" if $opt_v;
system $extract_cmd;
push @updated_ARGS, $extract_dir;
chdir $cwd;
} else {
# this is a conventional, uncompressed, unarchived file
# or a directory; keep as-is
push @updated_ARGS, $Arg;
}
}
@ARGV = @updated_ARGS;
# make sure we're not counting any directory containing
# temporary installations of Regexp::Common, Algorithm::Diff
foreach my $d (sort keys %TEMP_INST) {
foreach my $a (@ARGV) {
next unless is_dir($a);
if ($opt_v > 2) {
printf "Comparing %s (location of %s) to input [%s]\n",
$d, $TEMP_INST{$d}, $a;
}
if ($a eq $d) {
die "File::Temp::tempdir chose directory ",
$d, " to install ", $TEMP_INST{$d}, " but this ",
"matches one of your input directories. Rerun ",
"with --sdir and supply a different temporary ",
"directory for ", $TEMP_INST{$d}, "\n";
}
}
}
}
# 1}}}
my @Errors = ();
my @file_list = (); # global variable updated in files()
my %Ignored = (); # files that are not counted (language not recognized or
# problems reading the file)
my @Lines_Out = ();
if ($opt_diff) {
# Step 4: Separate code from non-code files. {{{1
my @fh = ();
my @files_for_set = ();
# make file lists for each separate argument
if ($opt_exclude_list_file) {
process_exclude_list_file($opt_exclude_list_file,
\%Exclude_Dir,
\%Ignored);
}
for (my $i = 0; $i < scalar @ARGV; $i++) {
push @fh,
make_file_list([ $ARGV[$i] ], \%Error_Codes, \@Errors, \%Ignored);
@{$files_for_set[$i]} = @file_list;
@file_list = ();
}
# 1}}}
# Step 5: Remove duplicate files. {{{1
#
my %Language = ();
my %unique_source_file = ();