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authorRemko Tronçon <git@el-tramo.be>2009-06-01 12:13:57 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-06-01 12:13:57 (GMT)
commite16c66185e9f633a05911d708e6404d9f741c7b1 (patch)
tree0fbf13ca770c61ddb4d9976be7ab549cf881ba70 /3rdParty/LCov/genhtml
parentc1885ea7854df8cf79d04db903b4352934190749 (diff)
downloadswift-e16c66185e9f633a05911d708e6404d9f741c7b1.zip
swift-e16c66185e9f633a05911d708e6404d9f741c7b1.tar.bz2
Added LCov.
Diffstat (limited to '3rdParty/LCov/genhtml')
-rwxr-xr-x3rdParty/LCov/genhtml4819
1 files changed, 4819 insertions, 0 deletions
diff --git a/3rdParty/LCov/genhtml b/3rdParty/LCov/genhtml
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+#!/usr/bin/perl -w
+#
+# Copyright (c) International Business Machines Corp., 2002
+#
+# 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
+#
+#
+# genhtml
+#
+# This script generates HTML output from .info files as created by the
+# geninfo script. Call it with --help and refer to the genhtml man page
+# to get information on usage and available options.
+#
+#
+# History:
+# 2002-08-23 created by Peter Oberparleiter <Peter.Oberparleiter@de.ibm.com>
+# IBM Lab Boeblingen
+# based on code by Manoj Iyer <manjo@mail.utexas.edu> and
+# Megan Bock <mbock@us.ibm.com>
+# IBM Austin
+# 2002-08-27 / Peter Oberparleiter: implemented frame view
+# 2002-08-29 / Peter Oberparleiter: implemented test description filtering
+# so that by default only descriptions for test cases which
+# actually hit some source lines are kept
+# 2002-09-05 / Peter Oberparleiter: implemented --no-sourceview
+# 2002-09-05 / Mike Kobler: One of my source file paths includes a "+" in
+# the directory name. I found that genhtml.pl died when it
+# encountered it. I was able to fix the problem by modifying
+# the string with the escape character before parsing it.
+# 2002-10-26 / Peter Oberparleiter: implemented --num-spaces
+# 2003-04-07 / Peter Oberparleiter: fixed bug which resulted in an error
+# when trying to combine .info files containing data without
+# a test name
+# 2003-04-10 / Peter Oberparleiter: extended fix by Mike to also cover
+# other special characters
+# 2003-04-30 / Peter Oberparleiter: made info write to STDERR, not STDOUT
+# 2003-07-10 / Peter Oberparleiter: added line checksum support
+# 2004-08-09 / Peter Oberparleiter: added configuration file support
+# 2005-03-04 / Cal Pierog: added legend to HTML output, fixed coloring of
+# "good coverage" background
+# 2006-03-18 / Marcus Boerger: added --custom-intro, --custom-outro and
+# overwrite --no-prefix if --prefix is present
+# 2006-03-20 / Peter Oberparleiter: changes to custom_* function (rename
+# to html_prolog/_epilog, minor modifications to implementation),
+# changed prefix/noprefix handling to be consistent with current
+# logic
+# 2006-03-20 / Peter Oberparleiter: added --html-extension option
+# 2008-07-14 / Tom Zoerner: added --function-coverage command line option;
+# added function table to source file page
+# 2008-08-13 / Peter Oberparleiter: modified function coverage
+# implementation (now enabled per default),
+# introduced sorting option (enabled per default)
+#
+
+use strict;
+use File::Basename;
+use Getopt::Long;
+use Digest::MD5 qw(md5_base64);
+
+
+# Global constants
+our $title = "LCOV - code coverage report";
+our $lcov_version = "LCOV version 1.7";
+our $lcov_url = "http://ltp.sourceforge.net/coverage/lcov.php";
+our $tool_name = basename($0);
+
+# Specify coverage rate limits (in %) for classifying file entries
+# HI: $hi_limit <= rate <= 100 graph color: green
+# MED: $med_limit <= rate < $hi_limit graph color: orange
+# LO: 0 <= rate < $med_limit graph color: red
+
+# For line coverage
+our $hi_limit = 50;
+our $med_limit = 15;
+
+# For function coverage
+our $fn_hi_limit = 90;
+our $fn_med_limit = 75;
+
+# Width of overview image
+our $overview_width = 80;
+
+# Resolution of overview navigation: this number specifies the maximum
+# difference in lines between the position a user selected from the overview
+# and the position the source code window is scrolled to.
+our $nav_resolution = 4;
+
+# Clicking a line in the overview image should show the source code view at
+# a position a bit further up so that the requested line is not the first
+# line in the window. This number specifies that offset in lines.
+our $nav_offset = 10;
+
+# Clicking on a function name should show the source code at a position a
+# few lines before the first line of code of that function. This number
+# specifies that offset in lines.
+our $func_offset = 2;
+
+our $overview_title = "directory";
+
+# Data related prototypes
+sub print_usage(*);
+sub gen_html();
+sub html_create($$);
+sub process_dir($);
+sub process_file($$$);
+sub info(@);
+sub read_info_file($);
+sub get_info_entry($);
+sub set_info_entry($$$$$$$;$$$$);
+sub get_prefix(@);
+sub shorten_prefix($);
+sub get_dir_list(@);
+sub get_relative_base_path($);
+sub read_testfile($);
+sub get_date_string();
+sub split_filename($);
+sub create_sub_dir($);
+sub subtract_counts($$);
+sub add_counts($$);
+sub apply_baseline($$);
+sub remove_unused_descriptions();
+sub get_found_and_hit($);
+sub get_affecting_tests($$);
+sub combine_info_files($$);
+sub merge_checksums($$$);
+sub combine_info_entries($$$);
+sub apply_prefix($$);
+sub system_no_output($@);
+sub read_config($);
+sub apply_config($);
+sub get_html_prolog($);
+sub get_html_epilog($);
+
+
+# HTML related prototypes
+sub escape_html($);
+sub get_bar_graph_code($$$);
+
+sub write_png_files();
+sub write_htaccess_file();
+sub write_css_file();
+sub write_description_file($$$$$);
+sub write_function_rable(*$$$);
+
+sub write_html(*$);
+sub write_html_prolog(*$$);
+sub write_html_epilog(*$;$);
+
+sub write_header(*$$$$$$$$);
+sub write_header_prolog(*$);
+sub write_header_line(*$@);
+sub write_header_epilog(*$);
+
+sub write_file_table(*$$$$$$);
+sub write_file_table_prolog(*$$$);
+sub write_file_table_entry(*$$$$$$$);
+sub write_file_table_detail_heading(*$$$);
+sub write_file_table_detail_entry(*$$$$$);
+sub write_file_table_epilog(*);
+
+sub write_test_table_prolog(*$);
+sub write_test_table_entry(*$$);
+sub write_test_table_epilog(*);
+
+sub write_source($$$$$$);
+sub write_source_prolog(*);
+sub write_source_line(*$$$$$);
+sub write_source_epilog(*);
+
+sub write_frameset(*$$$);
+sub write_overview_line(*$$$);
+sub write_overview(*$$$$);
+
+# External prototype (defined in genpng)
+sub gen_png($$$@);
+
+
+# Global variables & initialization
+our %info_data; # Hash containing all data from .info file
+our $dir_prefix; # Prefix to remove from all sub directories
+our %test_description; # Hash containing test descriptions if available
+our $date = get_date_string();
+
+our @info_filenames; # List of .info files to use as data source
+our $test_title; # Title for output as written to each page header
+our $output_directory; # Name of directory in which to store output
+our $base_filename; # Optional name of file containing baseline data
+our $desc_filename; # Name of file containing test descriptions
+our $css_filename; # Optional name of external stylesheet file to use
+our $quiet; # If set, suppress information messages
+our $help; # Help option flag
+our $version; # Version option flag
+our $show_details; # If set, generate detailed directory view
+our $no_prefix; # If set, do not remove filename prefix
+our $func_coverage = 1; # If set, generate function coverage statistics
+our $no_func_coverage; # Disable func_coverage
+our $sort = 1; # If set, provide directory listings with sorted entries
+our $no_sort; # Disable sort
+our $frames; # If set, use frames for source code view
+our $keep_descriptions; # If set, do not remove unused test case descriptions
+our $no_sourceview; # If set, do not create a source code view for each file
+our $highlight; # If set, highlight lines covered by converted data only
+our $legend; # If set, include legend in output
+our $tab_size = 8; # Number of spaces to use in place of tab
+our $config; # Configuration file contents
+our $html_prolog_file; # Custom HTML prolog file (up to and including <body>)
+our $html_epilog_file; # Custom HTML epilog file (from </body> onwards)
+our $html_prolog; # Actual HTML prolog
+our $html_epilog; # Actual HTML epilog
+our $html_ext = "html"; # Extension for generated HTML files
+our $html_gzip = 0; # Compress with gzip
+our @fileview_sortlist;
+our @fileview_sortname = ("", "-sort-l", "-sort-f");
+our @funcview_sortlist;
+our @rate_name = ("Lo", "Med", "Hi");
+our @rate_png = ("ruby.png", "amber.png", "emerald.png");
+
+our $cwd = `pwd`; # Current working directory
+chomp($cwd);
+our $tool_dir = dirname($0); # Directory where genhtml tool is installed
+
+
+#
+# Code entry point
+#
+
+$SIG{__WARN__} = \&warn_handler;
+$SIG{__DIE__} = \&die_handler;
+
+# Add current working directory if $tool_dir is not already an absolute path
+if (! ($tool_dir =~ /^\/(.*)$/))
+{
+ $tool_dir = "$cwd/$tool_dir";
+}
+
+# Read configuration file if available
+if (-r $ENV{"HOME"}."/.lcovrc")
+{
+ $config = read_config($ENV{"HOME"}."/.lcovrc");
+}
+elsif (-r "/etc/lcovrc")
+{
+ $config = read_config("/etc/lcovrc");
+}
+
+if ($config)
+{
+ # Copy configuration file values to variables
+ apply_config({
+ "genhtml_css_file" => \$css_filename,
+ "genhtml_hi_limit" => \$hi_limit,
+ "genhtml_med_limit" => \$med_limit,
+ "genhtml_overview_width" => \$overview_width,
+ "genhtml_nav_resolution" => \$nav_resolution,
+ "genhtml_nav_offset" => \$nav_offset,
+ "genhtml_keep_descriptions" => \$keep_descriptions,
+ "genhtml_no_prefix" => \$no_prefix,
+ "genhtml_no_source" => \$no_sourceview,
+ "genhtml_num_spaces" => \$tab_size,
+ "genhtml_highlight" => \$highlight,
+ "genhtml_legend" => \$legend,
+ "genhtml_html_prolog" => \$html_prolog_file,
+ "genhtml_html_epilog" => \$html_epilog_file,
+ "genhtml_html_extension" => \$html_ext,
+ "genhtml_html_gzip" => \$html_gzip,
+ "genhtml_function_hi_limit" => \$fn_hi_limit,
+ "genhtml_function_med_limit" => \$fn_med_limit,
+ "genhtml_function_coverage" => \$func_coverage,
+ "genhtml_sort" => \$sort,
+ });
+}
+
+# Parse command line options
+if (!GetOptions("output-directory=s" => \$output_directory,
+ "title=s" => \$test_title,
+ "description-file=s" => \$desc_filename,
+ "keep-descriptions" => \$keep_descriptions,
+ "css-file=s" => \$css_filename,
+ "baseline-file=s" => \$base_filename,
+ "prefix=s" => \$dir_prefix,
+ "num-spaces=i" => \$tab_size,
+ "no-prefix" => \$no_prefix,
+ "no-sourceview" => \$no_sourceview,
+ "show-details" => \$show_details,
+ "frames" => \$frames,
+ "highlight" => \$highlight,
+ "legend" => \$legend,
+ "quiet" => \$quiet,
+ "help|h|?" => \$help,
+ "version" => \$version,
+ "html-prolog=s" => \$html_prolog_file,
+ "html-epilog=s" => \$html_epilog_file,
+ "html-extension=s" => \$html_ext,
+ "html-gzip" => \$html_gzip,
+ "function-coverage" => \$func_coverage,
+ "no-function-coverage" => \$no_func_coverage,
+ "sort" => \$sort,
+ "no-sort" => \$no_sort,
+ ))
+{
+ print(STDERR "Use $tool_name --help to get usage information\n");
+ exit(1);
+} else {
+ # Merge options
+ if ($no_func_coverage) {
+ $func_coverage = 0;
+ }
+
+ # Merge sort options
+ if ($no_sort) {
+ $sort = 0;
+ }
+}
+
+@info_filenames = @ARGV;
+
+# Check for help option
+if ($help)
+{
+ print_usage(*STDOUT);
+ exit(0);
+}
+
+# Check for version option
+if ($version)
+{
+ print("$tool_name: $lcov_version\n");
+ exit(0);
+}
+
+# Check for info filename
+if (!@info_filenames)
+{
+ die("No filename specified\n".
+ "Use $tool_name --help to get usage information\n");
+}
+
+# Generate a title if none is specified
+if (!$test_title)
+{
+ if (scalar(@info_filenames) == 1)
+ {
+ # Only one filename specified, use it as title
+ $test_title = basename($info_filenames[0]);
+ }
+ else
+ {
+ # More than one filename specified, used default title
+ $test_title = "unnamed";
+ }
+}
+
+# Make sure css_filename is an absolute path (in case we're changing
+# directories)
+if ($css_filename)
+{
+ if (!($css_filename =~ /^\/(.*)$/))
+ {
+ $css_filename = $cwd."/".$css_filename;
+ }
+}
+
+# Make sure tab_size is within valid range
+if ($tab_size < 1)
+{
+ print(STDERR "ERROR: invalid number of spaces specified: ".
+ "$tab_size!\n");
+ exit(1);
+}
+
+# Get HTML prolog and epilog
+$html_prolog = get_html_prolog($html_prolog_file);
+$html_epilog = get_html_epilog($html_epilog_file);
+
+# Issue a warning if --no-sourceview is enabled together with --frames
+if ($no_sourceview && defined($frames))
+{
+ warn("WARNING: option --frames disabled because --no-sourceview ".
+ "was specified!\n");
+ $frames = undef;
+}
+
+# Issue a warning if --no-prefix is enabled together with --prefix
+if ($no_prefix && defined($dir_prefix))
+{
+ warn("WARNING: option --prefix disabled because --no-prefix was ".
+ "specified!\n");
+ $dir_prefix = undef;
+}
+
+if ($sort) {
+ @funcview_sortlist = (0, 1);
+ if ($func_coverage) {
+ @fileview_sortlist = (0, 1, 2);
+ } else {
+ @fileview_sortlist = (0, 1);
+ }
+} else {
+ @fileview_sortlist = (0);
+ @funcview_sortlist = (0);
+}
+
+if ($frames)
+{
+ # Include genpng code needed for overview image generation
+ do("$tool_dir/genpng");
+}
+
+# Make sure output_directory exists, create it if necessary
+if ($output_directory)
+{
+ stat($output_directory);
+
+ if (! -e _)
+ {
+ system("mkdir", "-p", $output_directory)
+ and die("ERROR: cannot create directory $_!\n");
+ }
+}
+
+# Do something
+gen_html();
+
+exit(0);
+
+
+
+#
+# print_usage(handle)
+#
+# Print usage information.
+#
+
+sub print_usage(*)
+{
+ local *HANDLE = $_[0];
+
+ print(HANDLE <<END_OF_USAGE);
+Usage: $tool_name [OPTIONS] INFOFILE(S)
+
+Create HTML output for coverage data found in INFOFILE. Note that INFOFILE
+may also be a list of filenames.
+
+Misc:
+ -h, --help Print this help, then exit
+ -v, --version Print version number, then exit
+ -q, --quiet Do not print progress messages
+
+Operation:
+ -o, --output-directory OUTDIR Write HTML output to OUTDIR
+ -s, --show-details Generate detailed directory view
+ -d, --description-file DESCFILE Read test case descriptions from DESCFILE
+ -k, --keep-descriptions Do not remove unused test descriptions
+ -b, --baseline-file BASEFILE Use BASEFILE as baseline file
+ -p, --prefix PREFIX Remove PREFIX from all directory names
+ --no-prefix Do not remove prefix from directory names
+ --(no-)function-coverage Enable (disable) function coverage display
+
+HTML output:
+ -f, --frames Use HTML frames for source code view
+ -t, --title TITLE Display TITLE in header of all pages
+ -c, --css-file CSSFILE Use external style sheet file CSSFILE
+ --no-source Do not create source code view
+ --num-spaces NUM Replace tabs with NUM spaces in source view
+ --highlight Highlight lines with converted-only data
+ --legend Include color legend in HTML output
+ --html-prolog FILE Use FILE as HTML prolog for generated pages
+ --html-epilog FILE Use FILE as HTML epilog for generated pages
+ --html-extension EXT Use EXT as filename extension for pages
+ --html-gzip Use gzip to compress HTML
+ --(no-)sort Enable (disable) sorted coverage views
+
+For more information see: $lcov_url
+END_OF_USAGE
+ ;
+}
+
+
+#
+# get_rate(found, hit)
+#
+# Return a relative value for the specified found&hit values
+# which is used for sorting the corresponding entries in a
+# file list.
+#
+
+sub get_rate($$)
+{
+ my ($found, $hit) = @_;
+
+ if ($found == 0) {
+ return 10000;
+ }
+ return int($hit * 1000 / $found) * 10 + 2 - (1 / $found);
+}
+
+
+#
+# gen_html()
+#
+# Generate a set of HTML pages from contents of .info file INFO_FILENAME.
+# Files will be written to the current directory. If provided, test case
+# descriptions will be read from .tests file TEST_FILENAME and included
+# in ouput.
+#
+# Die on error.
+#
+
+sub gen_html()
+{
+ local *HTML_HANDLE;
+ my %overview;
+ my %base_data;
+ my $lines_found;
+ my $lines_hit;
+ my $fn_found;
+ my $fn_hit;
+ my $overall_found = 0;
+ my $overall_hit = 0;
+ my $total_fn_found = 0;
+ my $total_fn_hit = 0;
+ my $dir_name;
+ my $link_name;
+ my @dir_list;
+ my %new_info;
+
+ # Read in all specified .info files
+ foreach (@info_filenames)
+ {
+ %new_info = %{read_info_file($_)};
+
+ # Combine %new_info with %info_data
+ %info_data = %{combine_info_files(\%info_data, \%new_info)};
+ }
+
+ info("Found %d entries.\n", scalar(keys(%info_data)));
+
+ # Read and apply baseline data if specified
+ if ($base_filename)
+ {
+ # Read baseline file
+ info("Reading baseline file $base_filename\n");
+ %base_data = %{read_info_file($base_filename)};
+ info("Found %d entries.\n", scalar(keys(%base_data)));
+
+ # Apply baseline
+ info("Subtracting baseline data.\n");
+ %info_data = %{apply_baseline(\%info_data, \%base_data)};
+ }
+
+ @dir_list = get_dir_list(keys(%info_data));
+
+ if ($no_prefix)
+ {
+ # User requested that we leave filenames alone
+ info("User asked not to remove filename prefix\n");
+ }
+ elsif (!defined($dir_prefix))
+ {
+ # Get prefix common to most directories in list
+ $dir_prefix = get_prefix(@dir_list);
+
+ if ($dir_prefix)
+ {
+ info("Found common filename prefix \"$dir_prefix\"\n");
+ }
+ else
+ {
+ info("No common filename prefix found!\n");
+ $no_prefix=1;
+ }
+ }
+ else
+ {
+ info("Using user-specified filename prefix \"".
+ "$dir_prefix\"\n");
+ }
+
+ # Read in test description file if specified
+ if ($desc_filename)
+ {
+ info("Reading test description file $desc_filename\n");
+ %test_description = %{read_testfile($desc_filename)};
+
+ # Remove test descriptions which are not referenced
+ # from %info_data if user didn't tell us otherwise
+ if (!$keep_descriptions)
+ {
+ remove_unused_descriptions();
+ }
+ }
+
+ # Change to output directory if specified
+ if ($output_directory)
+ {
+ chdir($output_directory)
+ or die("ERROR: cannot change to directory ".
+ "$output_directory!\n");
+ }
+
+ info("Writing .css and .png files.\n");
+ write_css_file();
+ write_png_files();
+
+ if ($html_gzip)
+ {
+ info("Writing .htaccess file.\n");
+ write_htaccess_file();
+ }
+
+ info("Generating output.\n");
+
+ # Process each subdirectory and collect overview information
+ foreach $dir_name (@dir_list)
+ {
+ ($lines_found, $lines_hit, $fn_found, $fn_hit)
+ = process_dir($dir_name);
+
+ # Remove prefix if applicable
+ if (!$no_prefix && $dir_prefix)
+ {
+ # Match directory names beginning with $dir_prefix
+ $dir_name = apply_prefix($dir_name, $dir_prefix);
+ }
+
+ # Generate name for directory overview HTML page
+ if ($dir_name =~ /^\/(.*)$/)
+ {
+ $link_name = substr($dir_name, 1)."/index.$html_ext";
+ }
+ else
+ {
+ $link_name = $dir_name."/index.$html_ext";
+ }
+
+ $overview{$dir_name} = [$lines_found, $lines_hit, $fn_found,
+ $fn_hit, $link_name,
+ get_rate($lines_found, $lines_hit),
+ get_rate($fn_found, $fn_hit)];
+ $overall_found += $lines_found;
+ $overall_hit += $lines_hit;
+ $total_fn_found += $fn_found;
+ $total_fn_hit += $fn_hit;
+ }
+
+ # Generate overview page
+ info("Writing directory view page.\n");
+
+ # Create sorted pages
+ foreach (@fileview_sortlist) {
+ write_dir_page($fileview_sortname[$_], ".", "", $test_title,
+ undef, $overall_found, $overall_hit,
+ $total_fn_found, $total_fn_hit, \%overview,
+ {}, {}, 0, $_);
+ }
+
+ # Check if there are any test case descriptions to write out
+ if (%test_description)
+ {
+ info("Writing test case description file.\n");
+ write_description_file( \%test_description,
+ $overall_found, $overall_hit,
+ $total_fn_found, $total_fn_hit);
+ }
+
+ chdir($cwd);
+
+ info("Overall coverage rate:\n");
+
+ if ($overall_found == 0)
+ {
+ info(" lines......: no data found\n");
+ return;
+ }
+ info(" lines......: %.1f%% (%d of %d lines)\n",
+ $overall_hit * 100 / $overall_found, $overall_hit,
+ $overall_found,);
+
+ if ($func_coverage)
+ {
+ if ($total_fn_found == 0)
+ {
+ info(" functions..: no data found\n");
+ }
+ else
+ {
+ info(" functions..: %.1f%% (%d of %d functions)\n",
+ $total_fn_hit * 100 / $total_fn_found,
+ $total_fn_hit, $total_fn_found);
+
+ }
+ }
+
+}
+
+#
+# html_create(handle, filename)
+#
+
+sub html_create($$)
+{
+ my $handle = $_[0];
+ my $filename = $_[1];
+
+ if ($html_gzip)
+ {
+ open($handle, "|gzip -c >$filename")
+ or die("ERROR: cannot open $filename for writing ".
+ "(gzip)!\n");
+ }
+ else
+ {
+ open($handle, ">$filename")
+ or die("ERROR: cannot open $filename for writing!\n");
+ }
+}
+
+sub write_dir_page($$$$$$$$$$$$$$)
+{
+ my ($name, $rel_dir, $base_dir, $title, $trunc_dir, $overall_found,
+ $overall_hit, $total_fn_found, $total_fn_hit, $overview,
+ $testhash, $testfnchash, $view_type, $sort_type) = @_;
+
+ # Generate directory overview page including details
+ html_create(*HTML_HANDLE, "$rel_dir/index$name.$html_ext");
+ if (!defined($trunc_dir)) {
+ $trunc_dir = "";
+ }
+ write_html_prolog(*HTML_HANDLE, $base_dir, "LCOV - $title$trunc_dir");
+ write_header(*HTML_HANDLE, $view_type, $trunc_dir, $rel_dir,
+ $overall_found, $overall_hit, $total_fn_found,
+ $total_fn_hit, $sort_type);
+ write_file_table(*HTML_HANDLE, $base_dir, $overview, $testhash,
+ $testfnchash, $view_type, $sort_type);
+ write_html_epilog(*HTML_HANDLE, $base_dir);
+ close(*HTML_HANDLE);
+}
+
+
+#
+# process_dir(dir_name)
+#
+
+sub process_dir($)
+{
+ my $abs_dir = $_[0];
+ my $trunc_dir;
+ my $rel_dir = $abs_dir;
+ my $base_dir;
+ my $filename;
+ my %overview;
+ my $lines_found;
+ my $lines_hit;
+ my $fn_found;
+ my $fn_hit;
+ my $overall_found=0;
+ my $overall_hit=0;
+ my $total_fn_found=0;
+ my $total_fn_hit=0;
+ my $base_name;
+ my $extension;
+ my $testdata;
+ my %testhash;
+ my $testfncdata;
+ my %testfnchash;
+ my @sort_list;
+ local *HTML_HANDLE;
+
+ # Remove prefix if applicable
+ if (!$no_prefix)
+ {
+ # Match directory name beginning with $dir_prefix
+ $rel_dir = apply_prefix($rel_dir, $dir_prefix);
+ }
+
+ $trunc_dir = $rel_dir;
+
+ # Remove leading /
+ if ($rel_dir =~ /^\/(.*)$/)
+ {
+ $rel_dir = substr($rel_dir, 1);
+ }
+
+ $base_dir = get_relative_base_path($rel_dir);
+
+ create_sub_dir($rel_dir);
+
+ # Match filenames which specify files in this directory, not including
+ # sub-directories
+ foreach $filename (grep(/^\Q$abs_dir\E\/[^\/]*$/,keys(%info_data)))
+ {
+ my $page_link;
+ my $func_link;
+
+ ($lines_found, $lines_hit, $fn_found, $fn_hit, $testdata,
+ $testfncdata) = process_file($trunc_dir, $rel_dir, $filename);
+
+ $base_name = basename($filename);
+
+ if ($no_sourceview) {
+ $page_link = "";
+ } elsif ($frames) {
+ # Link to frameset page
+ $page_link = "$base_name.gcov.frameset.$html_ext";
+ } else {
+ # Link directory to source code view page
+ $page_link = "$base_name.gcov.$html_ext";
+ }
+ $overview{$base_name} = [$lines_found, $lines_hit, $fn_found,
+ $fn_hit, $page_link,
+ get_rate($lines_found, $lines_hit),
+ get_rate($fn_found, $fn_hit)];
+
+ $testhash{$base_name} = $testdata;
+ $testfnchash{$base_name} = $testfncdata;
+
+ $overall_found += $lines_found;
+ $overall_hit += $lines_hit;
+
+ $total_fn_found += $fn_found;
+ $total_fn_hit += $fn_hit;
+ }
+
+ # Create sorted pages
+ foreach (@fileview_sortlist) {
+ # Generate directory overview page (without details)
+ write_dir_page($fileview_sortname[$_], $rel_dir, $base_dir,
+ $test_title, $trunc_dir, $overall_found,
+ $overall_hit, $total_fn_found, $total_fn_hit,
+ \%overview, {}, {}, 1, $_);
+ if (!$show_details) {
+ next;
+ }
+ # Generate directory overview page including details
+ write_dir_page("-detail".$fileview_sortname[$_], $rel_dir,
+ $base_dir, $test_title, $trunc_dir,
+ $overall_found, $overall_hit, $total_fn_found,
+ $total_fn_hit, \%overview, \%testhash,
+ \%testfnchash, 1, $_);
+ }
+
+ # Calculate resulting line counts
+ return ($overall_found, $overall_hit, $total_fn_found, $total_fn_hit);
+}
+
+
+#
+# get_converted_lines(testdata)
+#
+# Return hash of line numbers of those lines which were only covered in
+# converted data sets.
+#
+
+sub get_converted_lines($)
+{
+ my $testdata = $_[0];
+ my $testcount;
+ my %converted;
+ my %nonconverted;
+ my $hash;
+ my $testcase;
+ my $line;
+ my %result;
+
+
+ # Get a hash containing line numbers with positive counts both for
+ # converted and original data sets
+ foreach $testcase (keys(%{$testdata}))
+ {
+ # Check to see if this is a converted data set
+ if ($testcase =~ /,diff$/)
+ {
+ $hash = \%converted;
+ }
+ else
+ {
+ $hash = \%nonconverted;
+ }
+
+ $testcount = $testdata->{$testcase};
+ # Add lines with a positive count to hash
+ foreach $line (keys%{$testcount})
+ {
+ if ($testcount->{$line} > 0)
+ {
+ $hash->{$line} = 1;
+ }
+ }
+ }
+
+ # Combine both hashes to resulting list
+ foreach $line (keys(%converted))
+ {
+ if (!defined($nonconverted{$line}))
+ {
+ $result{$line} = 1;
+ }
+ }
+
+ return \%result;
+}
+
+
+sub write_function_page($$$$$$$$$$$$$$)
+{
+ my ($base_dir, $rel_dir, $trunc_dir, $base_name, $title,
+ $lines_found, $lines_hit, $fn_found, $fn_hit,
+ $sumcount, $funcdata, $sumfnccount, $testfncdata, $sort_type) = @_;
+ my $pagetitle;
+ my $filename;
+
+ # Generate function table for this file
+ if ($sort_type == 0) {
+ $filename = "$rel_dir/$base_name.func.$html_ext";
+ } else {
+ $filename = "$rel_dir/$base_name.func-sort-c.$html_ext";
+ }
+ html_create(*HTML_HANDLE, $filename);
+ $pagetitle = "LCOV - $title - $trunc_dir/$base_name - functions";
+ write_html_prolog(*HTML_HANDLE, $base_dir, $pagetitle);
+ write_header(*HTML_HANDLE, 4, "$trunc_dir/$base_name",
+ "$rel_dir/$base_name", $lines_found, $lines_hit,
+ $fn_found, $fn_hit, $sort_type);
+ write_function_table(*HTML_HANDLE, "$base_name.gcov.$html_ext",
+ $sumcount, $funcdata,
+ $sumfnccount, $testfncdata, $base_name,
+ $base_dir, $sort_type);
+ write_html_epilog(*HTML_HANDLE, $base_dir, 1);
+ close(*HTML_HANDLE);
+}
+
+
+#
+# process_file(trunc_dir, rel_dir, filename)
+#
+
+sub process_file($$$)
+{
+ info("Processing file ".apply_prefix($_[2], $dir_prefix)."\n");
+
+ my $trunc_dir = $_[0];
+ my $rel_dir = $_[1];
+ my $filename = $_[2];
+ my $base_name = basename($filename);
+ my $base_dir = get_relative_base_path($rel_dir);
+ my $testdata;
+ my $testcount;
+ my $sumcount;
+ my $funcdata;
+ my $checkdata;
+ my $testfncdata;
+ my $sumfnccount;
+ my $lines_found;
+ my $lines_hit;
+ my $fn_found;
+ my $fn_hit;
+ my $converted;
+ my @source;
+ my $pagetitle;
+ local *HTML_HANDLE;
+
+ ($testdata, $sumcount, $funcdata, $checkdata, $testfncdata,
+ $sumfnccount, $lines_found, $lines_hit, $fn_found, $fn_hit)
+ = get_info_entry($info_data{$filename});
+
+ # Return after this point in case user asked us not to generate
+ # source code view
+ if ($no_sourceview)
+ {
+ return ($lines_found, $lines_hit,
+ $fn_found, $fn_hit, $testdata);
+ }
+
+ $converted = get_converted_lines($testdata);
+ # Generate source code view for this file
+ html_create(*HTML_HANDLE, "$rel_dir/$base_name.gcov.$html_ext");
+ $pagetitle = "LCOV - $test_title - $trunc_dir/$base_name";
+ write_html_prolog(*HTML_HANDLE, $base_dir, $pagetitle);
+ write_header(*HTML_HANDLE, 2, "$trunc_dir/$base_name",
+ "$rel_dir/$base_name", $lines_found, $lines_hit,
+ $fn_found, $fn_hit, 0);
+ @source = write_source(*HTML_HANDLE, $filename, $sumcount, $checkdata,
+ $converted, $funcdata);
+
+ write_html_epilog(*HTML_HANDLE, $base_dir, 1);
+ close(*HTML_HANDLE);
+
+ if ($func_coverage) {
+ # Create function tables
+ foreach (@funcview_sortlist) {
+ write_function_page($base_dir, $rel_dir, $trunc_dir,
+ $base_name, $test_title,
+ $lines_found, $lines_hit,
+ $fn_found, $fn_hit, $sumcount,
+ $funcdata, $sumfnccount,
+ $testfncdata, $_);
+ }
+ }
+
+ # Additional files are needed in case of frame output
+ if (!$frames)
+ {
+ return ($lines_found, $lines_hit,
+ $fn_found, $fn_hit, $testdata);
+ }
+
+ # Create overview png file
+ gen_png("$rel_dir/$base_name.gcov.png", $overview_width, $tab_size,
+ @source);
+
+ # Create frameset page
+ html_create(*HTML_HANDLE,
+ "$rel_dir/$base_name.gcov.frameset.$html_ext");
+ write_frameset(*HTML_HANDLE, $base_dir, $base_name, $pagetitle);
+ close(*HTML_HANDLE);
+
+ # Write overview frame
+ html_create(*HTML_HANDLE,
+ "$rel_dir/$base_name.gcov.overview.$html_ext");
+ write_overview(*HTML_HANDLE, $base_dir, $base_name, $pagetitle,
+ scalar(@source));
+ close(*HTML_HANDLE);
+
+ return ($lines_found, $lines_hit, $fn_found, $fn_hit, $testdata,
+ $testfncdata);
+}
+
+
+#
+# read_info_file(info_filename)
+#
+# Read in the contents of the .info file specified by INFO_FILENAME. Data will
+# be returned as a reference to a hash containing the following mappings:
+#
+# %result: for each filename found in file -> \%data
+#
+# %data: "test" -> \%testdata
+# "sum" -> \%sumcount
+# "func" -> \%funcdata
+# "found" -> $lines_found (number of instrumented lines found in file)
+# "hit" -> $lines_hit (number of executed lines in file)
+# "check" -> \%checkdata
+# "testfnc" -> \%testfncdata
+# "sumfnc" -> \%sumfnccount
+#
+# %testdata : name of test affecting this file -> \%testcount
+# %testfncdata: name of test affecting this file -> \%testfnccount
+#
+# %testcount : line number -> execution count for a single test
+# %testfnccount: function name -> execution count for a single test
+# %sumcount : line number -> execution count for all tests
+# %sumfnccount : function name -> execution count for all tests
+# %funcdata : function name -> line number
+# %checkdata : line number -> checksum of source code line
+#
+# Note that .info file sections referring to the same file and test name
+# will automatically be combined by adding all execution counts.
+#
+# Note that if INFO_FILENAME ends with ".gz", it is assumed that the file
+# is compressed using GZIP. If available, GUNZIP will be used to decompress
+# this file.
+#
+# Die on error.
+#
+
+sub read_info_file($)
+{
+ my $tracefile = $_[0]; # Name of tracefile
+ my %result; # Resulting hash: file -> data
+ my $data; # Data handle for current entry
+ my $testdata; # " "
+ my $testcount; # " "
+ my $sumcount; # " "
+ my $funcdata; # " "
+ my $checkdata; # " "
+ my $testfncdata;
+ my $testfnccount;
+ my $sumfnccount;
+ my $line; # Current line read from .info file
+ my $testname; # Current test name
+ my $filename; # Current filename
+ my $hitcount; # Count for lines hit
+ my $count; # Execution count of current line
+ my $negative; # If set, warn about negative counts
+ my $changed_testname; # If set, warn about changed testname
+ my $line_checksum; # Checksum of current line
+ local *INFO_HANDLE; # Filehandle for .info file
+
+ info("Reading data file $tracefile\n");
+
+ # Check if file exists and is readable
+ stat($_[0]);
+ if (!(-r _))
+ {
+ die("ERROR: cannot read file $_[0]!\n");
+ }
+
+ # Check if this is really a plain file
+ if (!(-f _))
+ {
+ die("ERROR: not a plain file: $_[0]!\n");
+ }
+
+ # Check for .gz extension
+ if ($_[0] =~ /\.gz$/)
+ {
+ # Check for availability of GZIP tool
+ system_no_output(1, "gunzip" ,"-h")
+ and die("ERROR: gunzip command not available!\n");
+
+ # Check integrity of compressed file
+ system_no_output(1, "gunzip", "-t", $_[0])
+ and die("ERROR: integrity check failed for ".
+ "compressed file $_[0]!\n");
+
+ # Open compressed file
+ open(INFO_HANDLE, "gunzip -c $_[0]|")
+ or die("ERROR: cannot start gunzip to decompress ".
+ "file $_[0]!\n");
+ }
+ else
+ {
+ # Open decompressed file
+ open(INFO_HANDLE, $_[0])
+ or die("ERROR: cannot read file $_[0]!\n");
+ }
+
+ $testname = "";
+ while (<INFO_HANDLE>)
+ {
+ chomp($_);
+ $line = $_;
+
+ # Switch statement
+ foreach ($line)
+ {
+ /^TN:([^,]*)/ && do
+ {
+ # Test name information found
+ $testname = defined($1) ? $1 : "";
+ if ($testname =~ s/\W/_/g)
+ {
+ $changed_testname = 1;
+ }
+ last;
+ };
+
+ /^[SK]F:(.*)/ && do
+ {
+ # Filename information found
+ # Retrieve data for new entry
+ $filename = $1;
+
+ $data = $result{$filename};
+ ($testdata, $sumcount, $funcdata, $checkdata,
+ $testfncdata, $sumfnccount) =
+ get_info_entry($data);
+
+ if (defined($testname))
+ {
+ $testcount = $testdata->{$testname};
+ $testfnccount = $testfncdata->{$testname};
+ }
+ else
+ {
+ $testcount = {};
+ $testfnccount = {};
+ }
+ last;
+ };
+
+ /^DA:(\d+),(-?\d+)(,[^,\s]+)?/ && do
+ {
+ # Fix negative counts
+ $count = $2 < 0 ? 0 : $2;
+ if ($2 < 0)
+ {
+ $negative = 1;
+ }
+ # Execution count found, add to structure
+ # Add summary counts
+ $sumcount->{$1} += $count;
+
+ # Add test-specific counts
+ if (defined($testname))
+ {
+ $testcount->{$1} += $count;
+ }
+
+ # Store line checksum if available
+ if (defined($3))
+ {
+ $line_checksum = substr($3, 1);
+
+ # Does it match a previous definition
+ if (defined($checkdata->{$1}) &&
+ ($checkdata->{$1} ne
+ $line_checksum))
+ {
+ die("ERROR: checksum mismatch ".
+ "at $filename:$1\n");
+ }
+
+ $checkdata->{$1} = $line_checksum;
+ }
+ last;
+ };
+
+ /^FN:(\d+),([^,]+)/ && do
+ {
+ # Function data found, add to structure
+ $funcdata->{$2} = $1;
+
+ # Also initialize function call data
+ if (!defined($sumfnccount->{$2})) {
+ $sumfnccount->{$2} = 0;
+ }
+ if (defined($testname))
+ {
+ if (!defined($testfnccount->{$2})) {
+ $testfnccount->{$2} = 0;
+ }
+ }
+ last;
+ };
+
+ /^FNDA:(\d+),([^,]+)/ && do
+ {
+ # Function call count found, add to structure
+ # Add summary counts
+ $sumfnccount->{$2} += $1;
+
+ # Add test-specific counts
+ if (defined($testname))
+ {
+ $testfnccount->{$2} += $1;
+ }
+ last;
+ };
+ /^end_of_record/ && do
+ {
+ # Found end of section marker
+ if ($filename)
+ {
+ # Store current section data
+ if (defined($testname))
+ {
+ $testdata->{$testname} =
+ $testcount;
+ $testfncdata->{$testname} =
+ $testfnccount;
+ }
+
+ set_info_entry($data, $testdata,
+ $sumcount, $funcdata,
+ $checkdata, $testfncdata,
+ $sumfnccount);
+ $result{$filename} = $data;
+ last;
+ }
+ };
+
+ # default
+ last;
+ }
+ }
+ close(INFO_HANDLE);
+
+ # Calculate lines_found and lines_hit for each file
+ foreach $filename (keys(%result))
+ {
+ $data = $result{$filename};
+
+ ($testdata, $sumcount, undef, undef, $testfncdata,
+ $sumfnccount) = get_info_entry($data);
+
+ # Filter out empty files
+ if (scalar(keys(%{$sumcount})) == 0)
+ {
+ delete($result{$filename});
+ next;
+ }
+ # Filter out empty test cases
+ foreach $testname (keys(%{$testdata}))
+ {
+ if (!defined($testdata->{$testname}) ||
+ scalar(keys(%{$testdata->{$testname}})) == 0)
+ {
+ delete($testdata->{$testname});
+ delete($testfncdata->{$testname});
+ }
+ }
+
+ $data->{"found"} = scalar(keys(%{$sumcount}));
+ $hitcount = 0;
+
+ foreach (keys(%{$sumcount}))
+ {
+ if ($sumcount->{$_} > 0) { $hitcount++; }
+ }
+
+ $data->{"hit"} = $hitcount;
+
+ # Get found/hit values for function call data
+ $data->{"f_found"} = scalar(keys(%{$sumfnccount}));
+ $hitcount = 0;
+
+ foreach (keys(%{$sumfnccount})) {
+ if ($sumfnccount->{$_} > 0) {
+ $hitcount++;
+ }
+ }
+ $data->{"f_hit"} = $hitcount;
+ }
+
+ if (scalar(keys(%result)) == 0)
+ {
+ die("ERROR: no valid records found in tracefile $tracefile\n");
+ }
+ if ($negative)
+ {
+ warn("WARNING: negative counts found in tracefile ".
+ "$tracefile\n");
+ }
+ if ($changed_testname)
+ {
+ warn("WARNING: invalid characters removed from testname in ".
+ "tracefile $tracefile\n");
+ }
+
+ return(\%result);
+}
+
+
+#
+# get_info_entry(hash_ref)
+#
+# Retrieve data from an entry of the structure generated by read_info_file().
+# Return a list of references to hashes:
+# (test data hash ref, sum count hash ref, funcdata hash ref, checkdata hash
+# ref, testfncdata hash ref, sumfnccount hash ref, lines found, lines hit,
+# functions found, functions hit)
+#
+
+sub get_info_entry($)
+{
+ my $testdata_ref = $_[0]->{"test"};
+ my $sumcount_ref = $_[0]->{"sum"};
+ my $funcdata_ref = $_[0]->{"func"};
+ my $checkdata_ref = $_[0]->{"check"};
+ my $testfncdata = $_[0]->{"testfnc"};
+ my $sumfnccount = $_[0]->{"sumfnc"};
+ my $lines_found = $_[0]->{"found"};
+ my $lines_hit = $_[0]->{"hit"};
+ my $fn_found = $_[0]->{"f_found"};
+ my $fn_hit = $_[0]->{"f_hit"};
+
+ return ($testdata_ref, $sumcount_ref, $funcdata_ref, $checkdata_ref,
+ $testfncdata, $sumfnccount, $lines_found, $lines_hit,
+ $fn_found, $fn_hit);
+}
+
+
+#
+# set_info_entry(hash_ref, testdata_ref, sumcount_ref, funcdata_ref,
+# checkdata_ref, testfncdata_ref, sumfcncount_ref[,lines_found,
+# lines_hit, f_found, f_hit])
+#
+# Update the hash referenced by HASH_REF with the provided data references.
+#
+
+sub set_info_entry($$$$$$$;$$$$)
+{
+ my $data_ref = $_[0];
+
+ $data_ref->{"test"} = $_[1];
+ $data_ref->{"sum"} = $_[2];
+ $data_ref->{"func"} = $_[3];
+ $data_ref->{"check"} = $_[4];
+ $data_ref->{"testfnc"} = $_[5];
+ $data_ref->{"sumfnc"} = $_[6];
+
+ if (defined($_[7])) { $data_ref->{"found"} = $_[7]; }
+ if (defined($_[8])) { $data_ref->{"hit"} = $_[8]; }
+ if (defined($_[9])) { $data_ref->{"f_found"} = $_[9]; }
+ if (defined($_[10])) { $data_ref->{"f_hit"} = $_[10]; }
+}
+
+
+#
+# add_counts(data1_ref, data2_ref)
+#
+# DATA1_REF and DATA2_REF are references to hashes containing a mapping
+#
+# line number -> execution count
+#
+# Return a list (RESULT_REF, LINES_FOUND, LINES_HIT) where RESULT_REF
+# is a reference to a hash containing the combined mapping in which
+# execution counts are added.
+#
+
+sub add_counts($$)
+{
+ my %data1 = %{$_[0]}; # Hash 1
+ my %data2 = %{$_[1]}; # Hash 2
+ my %result; # Resulting hash
+ my $line; # Current line iteration scalar
+ my $data1_count; # Count of line in hash1
+ my $data2_count; # Count of line in hash2
+ my $found = 0; # Total number of lines found
+ my $hit = 0; # Number of lines with a count > 0
+
+ foreach $line (keys(%data1))
+ {
+ $data1_count = $data1{$line};
+ $data2_count = $data2{$line};
+
+ # Add counts if present in both hashes
+ if (defined($data2_count)) { $data1_count += $data2_count; }
+
+ # Store sum in %result
+ $result{$line} = $data1_count;
+
+ $found++;
+ if ($data1_count > 0) { $hit++; }
+ }
+
+ # Add lines unique to data2
+ foreach $line (keys(%data2))
+ {
+ # Skip lines already in data1
+ if (defined($data1{$line})) { next; }
+
+ # Copy count from data2
+ $result{$line} = $data2{$line};
+
+ $found++;
+ if ($result{$line} > 0) { $hit++; }
+ }
+
+ return (\%result, $found, $hit);
+}
+
+
+#
+# merge_checksums(ref1, ref2, filename)
+#
+# REF1 and REF2 are references to hashes containing a mapping
+#
+# line number -> checksum
+#
+# Merge checksum lists defined in REF1 and REF2 and return reference to
+# resulting hash. Die if a checksum for a line is defined in both hashes
+# but does not match.
+#
+
+sub merge_checksums($$$)
+{
+ my $ref1 = $_[0];
+ my $ref2 = $_[1];
+ my $filename = $_[2];
+ my %result;
+ my $line;
+
+ foreach $line (keys(%{$ref1}))
+ {
+ if (defined($ref2->{$line}) &&
+ ($ref1->{$line} ne $ref2->{$line}))
+ {
+ die("ERROR: checksum mismatch at $filename:$line\n");
+ }
+ $result{$line} = $ref1->{$line};
+ }
+
+ foreach $line (keys(%{$ref2}))
+ {
+ $result{$line} = $ref2->{$line};
+ }
+
+ return \%result;
+}
+
+
+#
+# merge_func_data(funcdata1, funcdata2, filename)
+#
+
+sub merge_func_data($$$)
+{
+ my ($funcdata1, $funcdata2, $filename) = @_;
+ my %result;
+ my $func;
+
+ %result = %{$funcdata1};
+
+ foreach $func (keys(%{$funcdata2})) {
+ my $line1 = $result{$func};
+ my $line2 = $funcdata2->{$func};
+
+ if (defined($line1) && ($line1 != $line2)) {
+ warn("WARNING: function data mismatch at ".
+ "$filename:$line2\n");
+ next;
+ }
+ $result{$func} = $line2;
+ }
+
+ return \%result;
+}
+
+
+#
+# add_fnccount(fnccount1, fnccount2)
+#
+# Add function call count data. Return list (fnccount_added, f_found, f_hit)
+#
+
+sub add_fnccount($$)
+{
+ my ($fnccount1, $fnccount2) = @_;
+ my %result;
+ my $fn_found;
+ my $fn_hit;
+ my $function;
+
+ %result = %{$fnccount1};
+ foreach $function (keys(%{$fnccount2})) {
+ $result{$function} += $fnccount2->{$function};
+ }
+ $fn_found = scalar(keys(%result));
+ $fn_hit = 0;
+ foreach $function (keys(%result)) {
+ if ($result{$function} > 0) {
+ $fn_hit++;
+ }
+ }
+
+ return (\%result, $fn_found, $fn_hit);
+}
+
+#
+# add_testfncdata(testfncdata1, testfncdata2)
+#
+# Add function call count data for several tests. Return reference to
+# added_testfncdata.
+#
+
+sub add_testfncdata($$)
+{
+ my ($testfncdata1, $testfncdata2) = @_;
+ my %result;
+ my $testname;
+
+ foreach $testname (keys(%{$testfncdata1})) {
+ if (defined($testfncdata2->{$testname})) {
+ my $fnccount;
+
+ # Function call count data for this testname exists
+ # in both data sets: add
+ ($fnccount) = add_fnccount(
+ $testfncdata1->{$testname},
+ $testfncdata2->{$testname});
+ $result{$testname} = $fnccount;
+ next;
+ }
+ # Function call count data for this testname is unique to
+ # data set 1: copy
+ $result{$testname} = $testfncdata1->{$testname};
+ }
+
+ # Add count data for testnames unique to data set 2
+ foreach $testname (keys(%{$testfncdata2})) {
+ if (!defined($result{$testname})) {
+ $result{$testname} = $testfncdata2->{$testname};
+ }
+ }
+ return \%result;
+}
+
+#
+# combine_info_entries(entry_ref1, entry_ref2, filename)
+#
+# Combine .info data entry hashes referenced by ENTRY_REF1 and ENTRY_REF2.
+# Return reference to resulting hash.
+#
+
+sub combine_info_entries($$$)
+{
+ my $entry1 = $_[0]; # Reference to hash containing first entry
+ my $testdata1;
+ my $sumcount1;
+ my $funcdata1;
+ my $checkdata1;
+ my $testfncdata1;
+ my $sumfnccount1;
+
+ my $entry2 = $_[1]; # Reference to hash containing second entry
+ my $testdata2;
+ my $sumcount2;
+ my $funcdata2;
+ my $checkdata2;
+ my $testfncdata2;
+ my $sumfnccount2;
+
+ my %result; # Hash containing combined entry
+ my %result_testdata;
+ my $result_sumcount = {};
+ my $result_funcdata;
+ my $result_testfncdata;
+ my $result_sumfnccount;
+ my $lines_found;
+ my $lines_hit;
+ my $fn_found;
+ my $fn_hit;
+
+ my $testname;
+ my $filename = $_[2];
+
+ # Retrieve data
+ ($testdata1, $sumcount1, $funcdata1, $checkdata1, $testfncdata1,
+ $sumfnccount1) = get_info_entry($entry1);
+ ($testdata2, $sumcount2, $funcdata2, $checkdata2, $testfncdata2,
+ $sumfnccount2) = get_info_entry($entry2);
+
+ # Merge checksums
+ $checkdata1 = merge_checksums($checkdata1, $checkdata2, $filename);
+
+ # Combine funcdata
+ $result_funcdata = merge_func_data($funcdata1, $funcdata2, $filename);
+
+ # Combine function call count data
+ $result_testfncdata = add_testfncdata($testfncdata1, $testfncdata2);
+ ($result_sumfnccount, $fn_found, $fn_hit) =
+ add_fnccount($sumfnccount1, $sumfnccount2);
+
+ # Combine testdata
+ foreach $testname (keys(%{$testdata1}))
+ {
+ if (defined($testdata2->{$testname}))
+ {
+ # testname is present in both entries, requires
+ # combination
+ ($result_testdata{$testname}) =
+ add_counts($testdata1->{$testname},
+ $testdata2->{$testname});
+ }
+ else
+ {
+ # testname only present in entry1, add to result
+ $result_testdata{$testname} = $testdata1->{$testname};
+ }
+
+ # update sum count hash
+ ($result_sumcount, $lines_found, $lines_hit) =
+ add_counts($result_sumcount,
+ $result_testdata{$testname});
+ }
+
+ foreach $testname (keys(%{$testdata2}))
+ {
+ # Skip testnames already covered by previous iteration
+ if (defined($testdata1->{$testname})) { next; }
+
+ # testname only present in entry2, add to result hash
+ $result_testdata{$testname} = $testdata2->{$testname};
+
+ # update sum count hash
+ ($result_sumcount, $lines_found, $lines_hit) =
+ add_counts($result_sumcount,
+ $result_testdata{$testname});
+ }
+
+ # Calculate resulting sumcount
+
+ # Store result
+ set_info_entry(\%result, \%result_testdata, $result_sumcount,
+ $result_funcdata, $checkdata1, $result_testfncdata,
+ $result_sumfnccount, $lines_found, $lines_hit,
+ $fn_found, $fn_hit);
+
+ return(\%result);
+}
+
+
+#
+# combine_info_files(info_ref1, info_ref2)
+#
+# Combine .info data in hashes referenced by INFO_REF1 and INFO_REF2. Return
+# reference to resulting hash.
+#
+
+sub combine_info_files($$)
+{
+ my %hash1 = %{$_[0]};
+ my %hash2 = %{$_[1]};
+ my $filename;
+
+ foreach $filename (keys(%hash2))
+ {
+ if ($hash1{$filename})
+ {
+ # Entry already exists in hash1, combine them
+ $hash1{$filename} =
+ combine_info_entries($hash1{$filename},
+ $hash2{$filename},
+ $filename);
+ }
+ else
+ {
+ # Entry is unique in both hashes, simply add to
+ # resulting hash
+ $hash1{$filename} = $hash2{$filename};
+ }
+ }
+
+ return(\%hash1);
+}
+
+
+#
+# get_prefix(filename_list)
+#
+# Search FILENAME_LIST for a directory prefix which is common to as many
+# list entries as possible, so that removing this prefix will minimize the
+# sum of the lengths of all resulting shortened filenames.
+#
+
+sub get_prefix(@)
+{
+ my @filename_list = @_; # provided list of filenames
+ my %prefix; # mapping: prefix -> sum of lengths
+ my $current; # Temporary iteration variable
+
+ # Find list of prefixes
+ foreach (@filename_list)
+ {
+ # Need explicit assignment to get a copy of $_ so that
+ # shortening the contained prefix does not affect the list
+ $current = shorten_prefix($_);
+ while ($current = shorten_prefix($current))
+ {
+ # Skip rest if the remaining prefix has already been
+ # added to hash
+ if ($prefix{$current}) { last; }
+
+ # Initialize with 0
+ $prefix{$current}="0";
+ }
+
+ }
+
+ # Calculate sum of lengths for all prefixes
+ foreach $current (keys(%prefix))
+ {
+ foreach (@filename_list)
+ {
+ # Add original length
+ $prefix{$current} += length($_);
+
+ # Check whether prefix matches
+ if (substr($_, 0, length($current)) eq $current)
+ {
+ # Subtract prefix length for this filename
+ $prefix{$current} -= length($current);
+ }
+ }
+ }
+
+ # Find and return prefix with minimal sum
+ $current = (keys(%prefix))[0];
+
+ foreach (keys(%prefix))
+ {
+ if ($prefix{$_} < $prefix{$current})
+ {
+ $current = $_;
+ }
+ }
+
+ return($current);
+}
+
+
+#
+# shorten_prefix(prefix)
+#
+# Return PREFIX shortened by last directory component.
+#
+
+sub shorten_prefix($)
+{
+ my @list = split("/", $_[0]);
+
+ pop(@list);
+ return join("/", @list);
+}
+
+
+
+#
+# get_dir_list(filename_list)
+#
+# Return sorted list of directories for each entry in given FILENAME_LIST.
+#
+
+sub get_dir_list(@)
+{
+ my %result;
+
+ foreach (@_)
+ {
+ $result{shorten_prefix($_)} = "";
+ }
+
+ return(sort(keys(%result)));
+}
+
+
+#
+# get_relative_base_path(subdirectory)
+#
+# Return a relative path string which references the base path when applied
+# in SUBDIRECTORY.
+#
+# Example: get_relative_base_path("fs/mm") -> "../../"
+#
+
+sub get_relative_base_path($)
+{
+ my $result = "";
+ my $index;
+
+ # Make an empty directory path a special case
+ if (!$_[0]) { return(""); }
+
+ # Count number of /s in path
+ $index = ($_[0] =~ s/\//\//g);
+
+ # Add a ../ to $result for each / in the directory path + 1
+ for (; $index>=0; $index--)
+ {
+ $result .= "../";
+ }
+
+ return $result;
+}
+
+
+#
+# read_testfile(test_filename)
+#
+# Read in file TEST_FILENAME which contains test descriptions in the format:
+#
+# TN:<whitespace><test name>
+# TD:<whitespace><test description>
+#
+# for each test case. Return a reference to a hash containing a mapping
+#
+# test name -> test description.
+#
+# Die on error.
+#
+
+sub read_testfile($)
+{
+ my %result;
+ my $test_name;
+ my $changed_testname;
+ local *TEST_HANDLE;
+
+ open(TEST_HANDLE, "<".$_[0])
+ or die("ERROR: cannot open $_[0]!\n");
+
+ while (<TEST_HANDLE>)
+ {
+ chomp($_);
+
+ # Match lines beginning with TN:<whitespace(s)>
+ if (/^TN:\s+(.*?)\s*$/)
+ {
+ # Store name for later use
+ $test_name = $1;
+ if ($test_name =~ s/\W/_/g)
+ {
+ $changed_testname = 1;
+ }
+ }
+
+ # Match lines beginning with TD:<whitespace(s)>
+ if (/^TD:\s+(.*?)\s*$/)
+ {
+ # Check for empty line
+ if ($1)
+ {
+ # Add description to hash
+ $result{$test_name} .= " $1";
+ }
+ else
+ {
+ # Add empty line
+ $result{$test_name} .= "\n\n";
+ }
+ }
+ }
+
+ close(TEST_HANDLE);
+
+ if ($changed_testname)
+ {
+ warn("WARNING: invalid characters removed from testname in ".
+ "descriptions file $_[0]\n");
+ }
+
+ return \%result;
+}
+
+
+#
+# escape_html(STRING)
+#
+# Return a copy of STRING in which all occurrences of HTML special characters
+# are escaped.
+#
+
+sub escape_html($)
+{
+ my $string = $_[0];
+
+ if (!$string) { return ""; }
+
+ $string =~ s/&/&amp;/g; # & -> &amp;
+ $string =~ s/</&lt;/g; # < -> &lt;
+ $string =~ s/>/&gt;/g; # > -> &gt;
+ $string =~ s/\"/&quot;/g; # " -> &quot;
+
+ while ($string =~ /^([^\t]*)(\t)/)
+ {
+ my $replacement = " "x($tab_size - (length($1) % $tab_size));
+ $string =~ s/^([^\t]*)(\t)/$1$replacement/;
+ }
+
+ $string =~ s/\n/<br>/g; # \n -> <br>
+
+ return $string;
+}
+
+
+#
+# get_date_string()
+#
+# Return the current date in the form: yyyy-mm-dd
+#
+
+sub get_date_string()
+{
+ my $year;
+ my $month;
+ my $day;
+
+ ($year, $month, $day) = (localtime())[5, 4, 3];
+
+ return sprintf("%d-%02d-%02d", $year+1900, $month+1, $day);
+}
+
+
+#
+# create_sub_dir(dir_name)
+#
+# Create subdirectory DIR_NAME if it does not already exist, including all its
+# parent directories.
+#
+# Die on error.
+#
+
+sub create_sub_dir($)
+{
+ system("mkdir", "-p" ,$_[0])
+ and die("ERROR: cannot create directory $_!\n");
+}
+
+
+#
+# write_description_file(descriptions, overall_found, overall_hit,
+# total_fn_found, total_fn_hit)
+#
+# Write HTML file containing all test case descriptions. DESCRIPTIONS is a
+# reference to a hash containing a mapping
+#
+# test case name -> test case description
+#
+# Die on error.
+#
+
+sub write_description_file($$$$$)
+{
+ my %description = %{$_[0]};
+ my $found = $_[1];
+ my $hit = $_[2];
+ my $fn_found = $_[3];
+ my $fn_hit = $_[4];
+ my $test_name;
+ local *HTML_HANDLE;
+
+ html_create(*HTML_HANDLE,"descriptions.$html_ext");
+ write_html_prolog(*HTML_HANDLE, "", "LCOV - test case descriptions");
+ write_header(*HTML_HANDLE, 3, "", "", $found, $hit, $fn_found,
+ $fn_hit, 0);
+
+ write_test_table_prolog(*HTML_HANDLE,
+ "Test case descriptions - alphabetical list");
+
+ foreach $test_name (sort(keys(%description)))
+ {
+ write_test_table_entry(*HTML_HANDLE, $test_name,
+ escape_html($description{$test_name}));
+ }
+
+ write_test_table_epilog(*HTML_HANDLE);
+ write_html_epilog(*HTML_HANDLE, "");
+
+ close(*HTML_HANDLE);
+}
+
+
+
+#
+# write_png_files()
+#
+# Create all necessary .png files for the HTML-output in the current
+# directory. .png-files are used as bar graphs.
+#
+# Die on error.
+#
+
+sub write_png_files()
+{
+ my %data;
+ local *PNG_HANDLE;
+
+ $data{"ruby.png"} =
+ [0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00,
+ 0x00, 0x0d, 0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x00, 0x01,
+ 0x00, 0x00, 0x00, 0x01, 0x01, 0x03, 0x00, 0x00, 0x00, 0x25,
+ 0xdb, 0x56, 0xca, 0x00, 0x00, 0x00, 0x07, 0x74, 0x49, 0x4d,
+ 0x45, 0x07, 0xd2, 0x07, 0x11, 0x0f, 0x18, 0x10, 0x5d, 0x57,
+ 0x34, 0x6e, 0x00, 0x00, 0x00, 0x09, 0x70, 0x48, 0x59, 0x73,
+ 0x00, 0x00, 0x0b, 0x12, 0x00, 0x00, 0x0b, 0x12, 0x01, 0xd2,
+ 0xdd, 0x7e, 0xfc, 0x00, 0x00, 0x00, 0x04, 0x67, 0x41, 0x4d,
+ 0x41, 0x00, 0x00, 0xb1, 0x8f, 0x0b, 0xfc, 0x61, 0x05, 0x00,
+ 0x00, 0x00, 0x06, 0x50, 0x4c, 0x54, 0x45, 0xff, 0x35, 0x2f,
+ 0x00, 0x00, 0x00, 0xd0, 0x33, 0x9a, 0x9d, 0x00, 0x00, 0x00,
+ 0x0a, 0x49, 0x44, 0x41, 0x54, 0x78, 0xda, 0x63, 0x60, 0x00,
+ 0x00, 0x00, 0x02, 0x00, 0x01, 0xe5, 0x27, 0xde, 0xfc, 0x00,
+ 0x00, 0x00, 0x00, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60,
+ 0x82];
+ $data{"amber.png"} =
+ [0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00,
+ 0x00, 0x0d, 0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x00, 0x01,
+ 0x00, 0x00, 0x00, 0x01, 0x01, 0x03, 0x00, 0x00, 0x00, 0x25,
+ 0xdb, 0x56, 0xca, 0x00, 0x00, 0x00, 0x07, 0x74, 0x49, 0x4d,
+ 0x45, 0x07, 0xd2, 0x07, 0x11, 0x0f, 0x28, 0x04, 0x98, 0xcb,
+ 0xd6, 0xe0, 0x00, 0x00, 0x00, 0x09, 0x70, 0x48, 0x59, 0x73,
+ 0x00, 0x00, 0x0b, 0x12, 0x00, 0x00, 0x0b, 0x12, 0x01, 0xd2,
+ 0xdd, 0x7e, 0xfc, 0x00, 0x00, 0x00, 0x04, 0x67, 0x41, 0x4d,
+ 0x41, 0x00, 0x00, 0xb1, 0x8f, 0x0b, 0xfc, 0x61, 0x05, 0x00,
+ 0x00, 0x00, 0x06, 0x50, 0x4c, 0x54, 0x45, 0xff, 0xe0, 0x50,
+ 0x00, 0x00, 0x00, 0xa2, 0x7a, 0xda, 0x7e, 0x00, 0x00, 0x00,
+ 0x0a, 0x49, 0x44, 0x41, 0x54, 0x78, 0xda, 0x63, 0x60, 0x00,
+ 0x00, 0x00, 0x02, 0x00, 0x01, 0xe5, 0x27, 0xde, 0xfc, 0x00,
+ 0x00, 0x00, 0x00, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60,
+ 0x82];
+ $data{"emerald.png"} =
+ [0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00,
+ 0x00, 0x0d, 0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x00, 0x01,
+ 0x00, 0x00, 0x00, 0x01, 0x01, 0x03, 0x00, 0x00, 0x00, 0x25,
+ 0xdb, 0x56, 0xca, 0x00, 0x00, 0x00, 0x07, 0x74, 0x49, 0x4d,
+ 0x45, 0x07, 0xd2, 0x07, 0x11, 0x0f, 0x22, 0x2b, 0xc9, 0xf5,
+ 0x03, 0x33, 0x00, 0x00, 0x00, 0x09, 0x70, 0x48, 0x59, 0x73,
+ 0x00, 0x00, 0x0b, 0x12, 0x00, 0x00, 0x0b, 0x12, 0x01, 0xd2,
+ 0xdd, 0x7e, 0xfc, 0x00, 0x00, 0x00, 0x04, 0x67, 0x41, 0x4d,
+ 0x41, 0x00, 0x00, 0xb1, 0x8f, 0x0b, 0xfc, 0x61, 0x05, 0x00,
+ 0x00, 0x00, 0x06, 0x50, 0x4c, 0x54, 0x45, 0x1b, 0xea, 0x59,
+ 0x0a, 0x0a, 0x0a, 0x0f, 0xba, 0x50, 0x83, 0x00, 0x00, 0x00,
+ 0x0a, 0x49, 0x44, 0x41, 0x54, 0x78, 0xda, 0x63, 0x60, 0x00,
+ 0x00, 0x00, 0x02, 0x00, 0x01, 0xe5, 0x27, 0xde, 0xfc, 0x00,
+ 0x00, 0x00, 0x00, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60,
+ 0x82];
+ $data{"snow.png"} =
+ [0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00,
+ 0x00, 0x0d, 0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x00, 0x01,
+ 0x00, 0x00, 0x00, 0x01, 0x01, 0x03, 0x00, 0x00, 0x00, 0x25,
+ 0xdb, 0x56, 0xca, 0x00, 0x00, 0x00, 0x07, 0x74, 0x49, 0x4d,
+ 0x45, 0x07, 0xd2, 0x07, 0x11, 0x0f, 0x1e, 0x1d, 0x75, 0xbc,
+ 0xef, 0x55, 0x00, 0x00, 0x00, 0x09, 0x70, 0x48, 0x59, 0x73,
+ 0x00, 0x00, 0x0b, 0x12, 0x00, 0x00, 0x0b, 0x12, 0x01, 0xd2,
+ 0xdd, 0x7e, 0xfc, 0x00, 0x00, 0x00, 0x04, 0x67, 0x41, 0x4d,
+ 0x41, 0x00, 0x00, 0xb1, 0x8f, 0x0b, 0xfc, 0x61, 0x05, 0x00,
+ 0x00, 0x00, 0x06, 0x50, 0x4c, 0x54, 0x45, 0xff, 0xff, 0xff,
+ 0x00, 0x00, 0x00, 0x55, 0xc2, 0xd3, 0x7e, 0x00, 0x00, 0x00,
+ 0x0a, 0x49, 0x44, 0x41, 0x54, 0x78, 0xda, 0x63, 0x60, 0x00,
+ 0x00, 0x00, 0x02, 0x00, 0x01, 0xe5, 0x27, 0xde, 0xfc, 0x00,
+ 0x00, 0x00, 0x00, 0x49, 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60,
+ 0x82];
+ $data{"glass.png"} =
+ [0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00,
+ 0x00, 0x0d, 0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x00, 0x01,
+ 0x00, 0x00, 0x00, 0x01, 0x01, 0x03, 0x00, 0x00, 0x00, 0x25,
+ 0xdb, 0x56, 0xca, 0x00, 0x00, 0x00, 0x04, 0x67, 0x41, 0x4d,
+ 0x41, 0x00, 0x00, 0xb1, 0x8f, 0x0b, 0xfc, 0x61, 0x05, 0x00,
+ 0x00, 0x00, 0x06, 0x50, 0x4c, 0x54, 0x45, 0xff, 0xff, 0xff,
+ 0x00, 0x00, 0x00, 0x55, 0xc2, 0xd3, 0x7e, 0x00, 0x00, 0x00,
+ 0x01, 0x74, 0x52, 0x4e, 0x53, 0x00, 0x40, 0xe6, 0xd8, 0x66,
+ 0x00, 0x00, 0x00, 0x01, 0x62, 0x4b, 0x47, 0x44, 0x00, 0x88,
+ 0x05, 0x1d, 0x48, 0x00, 0x00, 0x00, 0x09, 0x70, 0x48, 0x59,
+ 0x73, 0x00, 0x00, 0x0b, 0x12, 0x00, 0x00, 0x0b, 0x12, 0x01,
+ 0xd2, 0xdd, 0x7e, 0xfc, 0x00, 0x00, 0x00, 0x07, 0x74, 0x49,
+ 0x4d, 0x45, 0x07, 0xd2, 0x07, 0x13, 0x0f, 0x08, 0x19, 0xc4,
+ 0x40, 0x56, 0x10, 0x00, 0x00, 0x00, 0x0a, 0x49, 0x44, 0x41,
+ 0x54, 0x78, 0x9c, 0x63, 0x60, 0x00, 0x00, 0x00, 0x02, 0x00,
+ 0x01, 0x48, 0xaf, 0xa4, 0x71, 0x00, 0x00, 0x00, 0x00, 0x49,
+ 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82];
+ $data{"updown.png"} =
+ [0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00,
+ 0x00, 0x0d, 0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x00, 0x0a,
+ 0x00, 0x00, 0x00, 0x0e, 0x08, 0x06, 0x00, 0x00, 0x00, 0x16,
+ 0xa3, 0x8d, 0xab, 0x00, 0x00, 0x00, 0x3c, 0x49, 0x44, 0x41,
+ 0x54, 0x28, 0xcf, 0x63, 0x60, 0x40, 0x03, 0xff, 0xa1, 0x00,
+ 0x5d, 0x9c, 0x11, 0x5d, 0x11, 0x8a, 0x24, 0x23, 0x23, 0x23,
+ 0x86, 0x42, 0x6c, 0xa6, 0x20, 0x2b, 0x66, 0xc4, 0xa7, 0x08,
+ 0x59, 0x31, 0x23, 0x21, 0x45, 0x30, 0xc0, 0xc4, 0x30, 0x60,
+ 0x80, 0xfa, 0x6e, 0x24, 0x3e, 0x78, 0x48, 0x0a, 0x70, 0x62,
+ 0xa2, 0x90, 0x81, 0xd8, 0x44, 0x01, 0x00, 0xe9, 0x5c, 0x2f,
+ 0xf5, 0xe2, 0x9d, 0x0f, 0xf9, 0x00, 0x00, 0x00, 0x00, 0x49,
+ 0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82] if ($sort);
+ foreach (keys(%data))
+ {
+ open(PNG_HANDLE, ">".$_)
+ or die("ERROR: cannot create $_!\n");
+ binmode(PNG_HANDLE);
+ print(PNG_HANDLE map(chr,@{$data{$_}}));
+ close(PNG_HANDLE);
+ }
+}
+
+
+#
+# write_htaccess_file()
+#
+
+sub write_htaccess_file()
+{
+ local *HTACCESS_HANDLE;
+ my $htaccess_data;
+
+ open(*HTACCESS_HANDLE, ">.htaccess")
+ or die("ERROR: cannot open .htaccess for writing!\n");
+
+ $htaccess_data = (<<"END_OF_HTACCESS")
+AddEncoding x-gzip .html
+END_OF_HTACCESS
+ ;
+
+ print(HTACCESS_HANDLE $htaccess_data);
+ close(*HTACCESS_HANDLE);
+}
+
+
+#
+# write_css_file()
+#
+# Write the cascading style sheet file gcov.css to the current directory.
+# This file defines basic layout attributes of all generated HTML pages.
+#
+
+sub write_css_file()
+{
+ local *CSS_HANDLE;
+
+ # Check for a specified external style sheet file
+ if ($css_filename)
+ {
+ # Simply copy that file
+ system("cp", $css_filename, "gcov.css")
+ and die("ERROR: cannot copy file $css_filename!\n");
+ return;
+ }
+
+ open(CSS_HANDLE, ">gcov.css")
+ or die ("ERROR: cannot open gcov.css for writing!\n");
+
+
+ # *************************************************************
+
+ my $css_data = ($_=<<"END_OF_CSS")
+ /* All views: initial background and text color */
+ body
+ {
+ color: #000000;
+ background-color: #FFFFFF;
+ }
+
+ /* All views: standard link format*/
+ a:link
+ {
+ color: #284FA8;
+ text-decoration: underline;
+ }
+
+ /* All views: standard link - visited format */
+ a:visited
+ {
+ color: #00CB40;
+ text-decoration: underline;
+ }
+
+ /* All views: standard link - activated format */
+ a:active
+ {
+ color: #FF0040;
+ text-decoration: underline;
+ }
+
+ /* All views: main title format */
+ td.title
+ {
+ text-align: center;
+ padding-bottom: 10px;
+ font-family: sans-serif;
+ font-size: 20pt;
+ font-style: italic;
+ font-weight: bold;
+ }
+
+ /* All views: header item format */
+ td.headerItem
+ {
+ text-align: right;
+ padding-right: 6px;
+ font-family: sans-serif;
+ font-weight: bold;
+ vertical-align: top;
+ white-space: nowrap;
+ }
+
+ /* All views: header item value format */
+ td.headerValue
+ {
+ text-align: left;
+ color: #284FA8;
+ font-family: sans-serif;
+ font-weight: bold;
+ white-space: nowrap;
+ }
+
+ /* All views: header item coverage table heading */
+ td.headerCovTableHead
+ {
+ text-align: center;
+ padding-right: 6px;
+ padding-left: 6px;
+ padding-bottom: 0px;
+ font-family: sans-serif;
+ font-size: 80%;
+ white-space: nowrap;
+ }
+
+ /* All views: header item coverage table entry */
+ td.headerCovTableEntry
+ {
+ text-align: right;
+ color: #284FA8;
+ font-family: sans-serif;
+ font-weight: bold;
+ white-space: nowrap;
+ padding-left: 12px;
+ padding-right: 4px;
+ background-color: #DAE7FE;
+ }
+
+ /* All views: header item coverage table entry for high coverage rate */
+ td.headerCovTableEntryHi
+ {
+ text-align: right;
+ color: #000000;
+ font-family: sans-serif;
+ font-weight: bold;
+ white-space: nowrap;
+ padding-left: 12px;
+ padding-right: 4px;
+ background-color: #A7FC9D;
+ }
+
+ /* All views: header item coverage table entry for medium coverage rate */
+ td.headerCovTableEntryMed
+ {
+ text-align: right;
+ color: #000000;
+ font-family: sans-serif;
+ font-weight: bold;
+ white-space: nowrap;
+ padding-left: 12px;
+ padding-right: 4px;
+ background-color: #FFEA20;
+ }
+
+ /* All views: header item coverage table entry for ow coverage rate */
+ td.headerCovTableEntryLo
+ {
+ text-align: right;
+ color: #000000;
+ font-family: sans-serif;
+ font-weight: bold;
+ white-space: nowrap;
+ padding-left: 12px;
+ padding-right: 4px;
+ background-color: #FF0000;
+ }
+
+ /* All views: header legend item for legend entry */
+ td.headerItemLeg
+ {
+ text-align: right;
+ padding-right: 6px;
+ font-family: sans-serif;
+ font-weight: bold;
+ vertical-align: bottom;
+ white-space: nowrap;
+ }
+
+ /* All views: header legend value for legend entry */
+ td.headerValueLeg
+ {
+ text-align: left;
+ color: #000000;
+ font-family: sans-serif;
+ font-size: 80%;
+ white-space: nowrap;
+ padding-top: 4px;
+ }
+
+ /* All views: color of horizontal ruler */
+ td.ruler
+ {
+ background-color: #6688D4;
+ }
+
+ /* All views: version string format */
+ td.versionInfo
+ {
+ text-align: center;
+ padding-top: 2px;
+ font-family: sans-serif;
+ font-style: italic;
+ }
+
+ /* Directory view/File view (all)/Test case descriptions:
+ table headline format */
+ td.tableHead
+ {
+ text-align: center;
+ color: #FFFFFF;
+ background-color: #6688D4;
+ font-family: sans-serif;
+ font-size: 120%;
+ font-weight: bold;
+ white-space: nowrap;
+ padding-left: 4px;
+ padding-right: 4px;
+ }
+
+ span.tableHeadSort
+ {
+ padding-right: 4px;
+ }
+
+ /* Directory view/File view (all): filename entry format */
+ td.coverFile
+ {
+ text-align: left;
+ padding-left: 10px;
+ padding-right: 20px;
+ color: #284FA8;
+ background-color: #DAE7FE;
+ font-family: monospace;
+ }
+
+ /* Directory view/File view (all): bar-graph entry format*/
+ td.coverBar
+ {
+ padding-left: 10px;
+ padding-right: 10px;
+ background-color: #DAE7FE;
+ }
+
+ /* Directory view/File view (all): bar-graph outline color */
+ td.coverBarOutline
+ {
+ background-color: #000000;
+ }
+
+ /* Directory view/File view (all): percentage entry for files with
+ high coverage rate */
+ td.coverPerHi
+ {
+ text-align: right;
+ padding-left: 10px;
+ padding-right: 10px;
+ background-color: #A7FC9D;
+ font-weight: bold;
+ }
+
+ /* Directory view/File view (all): line count entry for files with
+ high coverage rate */
+ td.coverNumHi
+ {
+ text-align: right;
+ padding-left: 10px;
+ padding-right: 10px;
+ background-color: #A7FC9D;
+ white-space: nowrap;
+ }
+
+ /* Directory view/File view (all): legend entry for high coverage
+ rate */
+ span.coverLegendHi
+ {
+ padding-left: 10px;
+ padding-right: 10px;
+ padding-bottom: 2px;
+ background-color: #A7FC9D;
+ }
+
+ /* Directory view/File view (all): percentage entry for files with
+ medium coverage rate */
+ td.coverPerMed
+ {
+ text-align: right;
+ padding-left: 10px;
+ padding-right: 10px;
+ background-color: #FFEA20;
+ font-weight: bold;
+ }
+
+ /* Directory view/File view (all): line count entry for files with
+ medium coverage rate */
+ td.coverNumMed
+ {
+ text-align: right;
+ padding-left: 10px;
+ padding-right: 10px;
+ background-color: #FFEA20;
+ white-space: nowrap;
+ }
+
+ /* Directory view/File view (all): legend entry for medium coverage
+ rate */
+ span.coverLegendMed
+ {
+ padding-left: 10px;
+ padding-right: 10px;
+ padding-bottom: 2px;
+ background-color: #FFEA20;
+ }
+
+ /* Directory view/File view (all): percentage entry for files with
+ low coverage rate */
+ td.coverPerLo
+ {
+ text-align: right;
+ padding-left: 10px;
+ padding-right: 10px;
+ background-color: #FF0000;
+ font-weight: bold;
+ }
+
+ /* Directory view/File view (all): line count entry for files with
+ low coverage rate */
+ td.coverNumLo
+ {
+ text-align: right;
+ padding-left: 10px;
+ padding-right: 10px;
+ background-color: #FF0000;
+ white-space: nowrap;
+ }
+
+ /* Directory view/File view (all): legend entry for low coverage
+ rate */
+ span.coverLegendLo
+ {
+ padding-left: 10px;
+ padding-right: 10px;
+ padding-bottom: 2px;
+ background-color: #FF0000;
+ }
+
+ /* File view (all): "show/hide details" link format */
+ a.detail:link
+ {
+ color: #B8D0FF;
+ }
+
+ /* File view (all): "show/hide details" link - visited format */
+ a.detail:visited
+ {
+ color: #B8D0FF;
+ }
+
+ /* File view (all): "show/hide details" link - activated format */
+ a.detail:active
+ {
+ color: #FFFFFF;
+ }
+
+ /* File view (detail): test name table headline format */
+ td.testNameHead
+ {
+ text-align: right;
+ padding-right: 10px;
+ background-color: #DAE7FE;
+ font-family: sans-serif;
+ font-weight: bold;
+ }
+
+ /* File view (detail): test lines table headline format */
+ td.testLinesHead
+ {
+ text-align: center;
+ background-color: #DAE7FE;
+ font-family: sans-serif;
+ font-weight: bold;
+ }
+
+ /* File view (detail): test name entry */
+ td.testName
+ {
+ text-align: right;
+ padding-right: 10px;
+ background-color: #DAE7FE;
+ }
+
+ /* File view (detail): test percentage entry */
+ td.testPer
+ {
+ text-align: right;
+ padding-left: 10px;
+ padding-right: 10px;
+ background-color: #DAE7FE;
+ }
+
+ /* File view (detail): test lines count entry */
+ td.testNum
+ {
+ text-align: right;
+ padding-left: 10px;
+ padding-right: 10px;
+ background-color: #DAE7FE;
+ }
+
+ /* Test case descriptions: test name format*/
+ dt
+ {
+ font-family: sans-serif;
+ font-weight: bold;
+ }
+
+ /* Test case descriptions: description table body */
+ td.testDescription
+ {
+ padding-top: 10px;
+ padding-left: 30px;
+ padding-bottom: 10px;
+ padding-right: 30px;
+ background-color: #DAE7FE;
+ }
+
+ /* Source code view: function entry */
+ td.coverFn
+ {
+ text-align: left;
+ padding-left: 10px;
+ padding-right: 20px;
+ color: #284FA8;
+ background-color: #DAE7FE;
+ font-family: monospace;
+ }
+
+ /* Source code view: function entry zero count*/
+ td.coverFnLo
+ {
+ text-align: right;
+ padding-left: 10px;
+ padding-right: 10px;
+ background-color: #FF0000;
+ font-weight: bold;
+ }
+
+ /* Source code view: function entry nonzero count*/
+ td.coverFnHi
+ {
+ text-align: right;
+ padding-left: 10px;
+ padding-right: 10px;
+ background-color: #DAE7FE;
+ font-weight: bold;
+ }
+
+ /* Source code view: source code format */
+ /* Source code view: source code format */
+ pre.source
+ {
+ font-family: monospace;
+ white-space: pre;
+ }
+
+ /* Source code view: line number format */
+ span.lineNum
+ {
+ background-color: #EFE383;
+ }
+
+ /* Source code view: format for lines which were executed */
+ td.lineCov,
+ span.lineCov
+ {
+ background-color: #CAD7FE;
+ }
+
+ /* Source code view: format for Cov legend */
+ span.coverLegendCov
+ {
+ padding-left: 10px;
+ padding-right: 10px;
+ padding-bottom: 2px;
+ background-color: #CAD7FE;
+ }
+
+ /* Source code view: format for lines which were not executed */
+ td.lineNoCov,
+ span.lineNoCov
+ {
+ background-color: #FF6230;
+ }
+
+ /* Source code view: format for NoCov legend */
+ span.coverLegendNoCov
+ {
+ padding-left: 10px;
+ padding-right: 10px;
+ padding-bottom: 2px;
+ background-color: #FF0000;
+ }
+
+ /* Source code view (function table): standard link - visited format */
+ td.lineNoCov > a:visited,
+ td.lineCov > a:visited
+ {
+ color: black;
+ text-decoration: underline;
+ }
+
+ /* Source code view: format for lines which were executed only in a
+ previous version */
+ span.lineDiffCov
+ {
+ background-color: #B5F7AF;
+ }
+
+ /* Source code view: format for DiffCov legend */
+ span.LegendDiffCov
+ {
+ text-align: center;
+ padding-left: 10px;
+ padding-right: 10px;
+ background-color: #B5F7AF;
+ }
+END_OF_CSS
+ ;
+
+ # *************************************************************
+
+
+ # Remove leading tab from all lines
+ $css_data =~ s/^\t//gm;
+
+ print(CSS_HANDLE $css_data);
+
+ close(CSS_HANDLE);
+}
+
+
+#
+# get_bar_graph_code(base_dir, cover_found, cover_hit)
+#
+# Return a string containing HTML code which implements a bar graph display
+# for a coverage rate of cover_hit * 100 / cover_found.
+#
+
+sub get_bar_graph_code($$$)
+{
+ my $rate;
+ my $alt;
+ my $width;
+ my $remainder;
+ my $png_name;
+ my $graph_code;
+
+ # Check number of instrumented lines
+ if ($_[1] == 0) { return ""; }
+
+ $rate = $_[2] * 100 / $_[1];
+ $alt = sprintf("%.1f", $rate)."%";
+ $width = sprintf("%.0f", $rate);
+ $remainder = sprintf("%d", 100-$width);
+
+ # Decide which .png file to use
+ $png_name = $rate_png[classify_rate($_[1], $_[2], $med_limit,
+ $hi_limit)];
+
+ if ($width == 0)
+ {
+ # Zero coverage
+ $graph_code = (<<END_OF_HTML)
+ <table border=0 cellspacing=0 cellpadding=1><tr><td class="coverBarOutline"><img src="$_[0]snow.png" width=100 height=10 alt="$alt"></td></tr></table>
+END_OF_HTML
+ ;
+ }
+ elsif ($width == 100)
+ {
+ # Full coverage
+ $graph_code = (<<END_OF_HTML)
+ <table border=0 cellspacing=0 cellpadding=1><tr><td class="coverBarOutline"><img src="$_[0]$png_name" width=100 height=10 alt="$alt"></td></tr></table>
+END_OF_HTML
+ ;
+ }
+ else
+ {
+ # Positive coverage
+ $graph_code = (<<END_OF_HTML)
+ <table border=0 cellspacing=0 cellpadding=1><tr><td class="coverBarOutline"><img src="$_[0]$png_name" width=$width height=10 alt="$alt"><img src="$_[0]snow.png" width=$remainder height=10 alt="$alt"></td></tr></table>
+END_OF_HTML
+ ;
+ }
+
+ # Remove leading tabs from all lines
+ $graph_code =~ s/^\t+//gm;
+ chomp($graph_code);
+
+ return($graph_code);
+}
+
+#
+# sub classify_rate(found, hit, med_limit, high_limit)
+#
+# Return 0 for low rate, 1 for medium rate and 2 for hi rate.
+#
+
+sub classify_rate($$$$)
+{
+ my ($found, $hit, $med, $hi) = @_;
+ my $rate;
+
+ if ($found == 0) {
+ return 2;
+ }
+ $rate = $hit * 100 / $found;
+ if ($rate < $med) {
+ return 0;
+ } elsif ($rate < $hi) {
+ return 1;
+ }
+ return 2;
+}
+
+
+#
+# write_html(filehandle, html_code)
+#
+# Write out HTML_CODE to FILEHANDLE while removing a leading tabulator mark
+# in each line of HTML_CODE.
+#
+
+sub write_html(*$)
+{
+ local *HTML_HANDLE = $_[0];
+ my $html_code = $_[1];
+
+ # Remove leading tab from all lines
+ $html_code =~ s/^\t//gm;
+
+ print(HTML_HANDLE $html_code)
+ or die("ERROR: cannot write HTML data ($!)\n");
+}
+
+
+#
+# write_html_prolog(filehandle, base_dir, pagetitle)
+#
+# Write an HTML prolog common to all HTML files to FILEHANDLE. PAGETITLE will
+# be used as HTML page title. BASE_DIR contains a relative path which points
+# to the base directory.
+#
+
+sub write_html_prolog(*$$)
+{
+ my $basedir = $_[1];
+ my $pagetitle = $_[2];
+ my $prolog;
+
+ $prolog = $html_prolog;
+ $prolog =~ s/\@pagetitle\@/$pagetitle/g;
+ $prolog =~ s/\@basedir\@/$basedir/g;
+
+ write_html($_[0], $prolog);
+}
+
+
+#
+# write_header_prolog(filehandle, base_dir)
+#
+# Write beginning of page header HTML code.
+#
+
+sub write_header_prolog(*$)
+{
+ # *************************************************************
+
+ write_html($_[0], <<END_OF_HTML)
+ <table width="100%" border=0 cellspacing=0 cellpadding=0>
+ <tr><td class="title">$title</td></tr>
+ <tr><td class="ruler"><img src="$_[1]glass.png" width=3 height=3 alt=""></td></tr>
+
+ <tr>
+ <td width="100%">
+ <table cellpadding=1 border=0 width="100%">
+END_OF_HTML
+ ;
+
+ # *************************************************************
+}
+
+
+#
+# write_header_line(filehandle, type, additional params..)
+#
+# Write a header line.
+#
+
+sub write_header_line(*$@)
+{
+ my $HANDLE = shift;
+ my $type = shift;
+ my @args = @_;
+
+ # Reduce indentation by using gotos
+ if ($type eq 0) {
+ goto header;
+ } elsif ($type eq 1) {
+ goto body;
+ } elsif ($type eq 2) {
+ goto legend_dir;
+ } elsif ($type eq 3) {
+ goto legend_source;
+ } elsif ($type eq 4) {
+ goto half_body;
+ }
+
+header:
+ # *************************************************************
+ write_html($HANDLE, <<END_OF_HTML);
+ <tr>
+ <td width="5%"></td>
+ <td width="10%" class="headerItem">$args[0]</td>
+ <td width="35%" class="headerValue">$args[1]</td>
+ <td width="10%"></td>
+ <td width="10%" class="headerCovTableHead">$args[2]</td>
+ <td width="10%" class="headerCovTableHead">$args[3]</td>
+ <td width="15%" class="headerCovTableHead">$args[4]</td>
+ <td width="5%"></td>
+ </tr>
+END_OF_HTML
+ # *************************************************************
+ return;
+
+body:
+ # *************************************************************
+ write_html($HANDLE, <<END_OF_HTML);
+ <tr>
+ <td></td>
+ <td class="headerItem">$args[0]</td>
+ <td class="headerValue">$args[1]</td>
+ <td class="headerItem">$args[2]</td>
+ <td class="headerCovTableEntry">$args[3]</td>
+ <td class="headerCovTableEntry">$args[4]</td>
+ <td class="headerCovTableEntry$args[5]">$args[6]</td>
+ </tr>
+END_OF_HTML
+ # *************************************************************
+ return;
+
+half_body:
+ # *************************************************************
+ write_html($HANDLE, <<END_OF_HTML);
+ <tr>
+ <td></td>
+ <td class="headerItem">$args[0]</td>
+ <td class="headerValue">$args[1]</td>
+ </tr>
+END_OF_HTML
+ # *************************************************************
+ return;
+
+legend_dir:
+ # *************************************************************
+ write_html($HANDLE, <<END_OF_HTML);
+ <tr>
+ <td></td>
+ <td class="headerItemLeg">$args[0]</td>
+ <td class="headerValueLeg">
+$args[1] </td>
+ <td></td>
+ <td class="headerValueLeg" colspan=3>
+$args[2] </td>
+ </tr>
+END_OF_HTML
+ # *************************************************************
+ return;
+
+legend_source:
+ # *************************************************************
+ write_html($HANDLE, <<END_OF_HTML);
+ <tr>
+ <td></td>
+ <td class="headerItem">$args[0]</td>
+ <td class="headerValueLeg" colspan=5>
+ <span class="coverLegendNoCov">$args[1]</span>
+ <span class="coverLegendCov">$args[2]</span>
+ </td>
+ </tr>
+END_OF_HTML
+ # *************************************************************
+}
+
+
+#
+# write_header_epilog(filehandle, base_dir)
+#
+# Write end of page header HTML code.
+#
+
+sub write_header_epilog(*$)
+{
+ # *************************************************************
+
+ write_html($_[0], <<END_OF_HTML)
+ <tr><td><img src="$_[1]glass.png" width=3 height=3 alt=""></td></tr>
+ </table>
+ </td>
+ </tr>
+ <tr><td class="ruler"><img src="$_[1]glass.png" width=3 height=3 alt=""></td></tr>
+ </table>
+
+END_OF_HTML
+ ;
+
+ # *************************************************************
+}
+
+
+#
+# write_file_table_prolog(filehandle, file_heading, lines_heading, func_heading)
+#
+# Write heading for file table.
+#
+
+sub write_file_table_prolog(*$$$)
+{
+ # *************************************************************
+
+ if ($func_coverage)
+ {
+ write_html($_[0], <<END_OF_HTML)
+ <center>
+ <table width="80%" cellpadding=1 cellspacing=1 border=0>
+
+ <tr>
+ <td width="45%"><br></td>
+ <td width="15%"></td>
+ <td width="10%"></td>
+ <td width="10%"></td>
+ <td width="10%"></td>
+ <td width="10%"></td>
+ </tr>
+
+ <tr>
+ <td class="tableHead">$_[1]</td>
+ <td class="tableHead" colspan=3>$_[2]</td>
+ <td class="tableHead" colspan=2>$_[3]</td>
+ </tr>
+
+END_OF_HTML
+ ;
+ }
+ else
+ {
+ write_html($_[0], <<END_OF_HTML)
+ <center>
+ <table width="80%" cellpadding=1 cellspacing=1 border=0>
+
+ <tr>
+ <td width="50%"><br></td>
+ <td width="15%"></td>
+ <td width="15%"></td>
+ <td width="20%"></td>
+ </tr>
+
+ <tr>
+ <td class="tableHead">$_[1]</td>
+ <td class="tableHead" colspan=3>$_[2]</td>
+ </tr>
+
+END_OF_HTML
+ ;
+ }
+
+ # *************************************************************
+}
+
+
+#
+# write_file_table_entry(filehandle, cover_filename, cover_bar_graph,
+# cover_found, cover_hit, fn_found, fn_hit,
+# page_link, func_link)
+#
+# Write an entry of the file table.
+#
+
+sub write_file_table_entry(*$$$$$$$)
+{
+ local *HANDLE = shift;
+ my ($filename, $bar_graph, $found, $hit, $fn_found, $fn_hit,
+ $page_link) = @_;
+ my $rate;
+ my $rate_string;
+ my $funcs_string;
+ my $class_lines = "Lo";
+ my $class_funcs = "Hi";
+ my $file_code;
+
+ # Add link to source if provided
+ if (defined($page_link) && $page_link ne "") {
+ $file_code = "<a href=\"$page_link\">$filename</a>";
+ } else {
+ $file_code = $filename;
+ }
+
+ # Get line coverage rate
+ if ($found > 0)
+ {
+ $rate = $hit * 100 / $found;
+ $rate_string = sprintf("%.1f", $rate)."&nbsp;%";
+
+ $class_lines = $rate_name[classify_rate($found, $hit,
+ $med_limit, $hi_limit)];
+ }
+ else
+ {
+ $rate_string = "-";
+ }
+
+ # Get function coverage rate
+ if ($fn_found > 0)
+ {
+ $rate = $fn_hit * 100 / $fn_found;
+ $class_funcs = $rate_name[classify_rate($fn_found, $fn_hit,
+ $fn_med_limit, $fn_hi_limit)];
+ $funcs_string = sprintf("%.1f", $rate)."&nbsp;%";
+ }
+ else
+ {
+ # Define 0 of 0 functions as 100%
+ $rate = 100;
+ $funcs_string = "-";
+ }
+
+ # *************************************************************
+
+ write_html(*HANDLE, <<END_OF_HTML)
+ <tr>
+ <td class="coverFile">$file_code</td>
+ <td class="coverBar" align="center">
+ $bar_graph
+ </td>
+ <td class="coverPer$class_lines">$rate_string</td>
+ <td class="coverNum$class_lines">$hit / $found</td>
+END_OF_HTML
+ ;
+
+ if ($func_coverage)
+ {
+ write_html(*HANDLE, <<END_OF_HTML)
+ <td class="coverPer$class_funcs">$funcs_string</td>
+ <td class="coverNum$class_funcs">$fn_hit / $fn_found</td>
+END_OF_HTML
+ ;
+ }
+ write_html(*HANDLE, <<END_OF_HTML)
+ </tr>
+END_OF_HTML
+ ;
+
+ # *************************************************************
+}
+
+
+#
+# write_file_table_detail_heading(filehandle, left_heading, right_heading)
+#
+# Write heading for detail section in file table.
+#
+
+sub write_file_table_detail_heading(*$$$)
+{
+ my $func_rows = "";
+
+ if ($func_coverage)
+ {
+ $func_rows = "<td class=\"testLinesHead\" colspan=2>$_[3]</td>";
+ }
+
+ # *************************************************************
+ write_html($_[0], <<END_OF_HTML)
+ <tr>
+ <td class="testNameHead" colspan=2>$_[1]</td>
+ <td class="testLinesHead" colspan=2>$_[2]</td>
+ $func_rows
+ </tr>
+
+END_OF_HTML
+ ;
+
+ # *************************************************************
+}
+
+
+#
+# write_file_table_detail_entry(filehandle, test_name,
+# cover_found, cover_hit, func_found, func_hit)
+#
+# Write entry for detail section in file table.
+#
+
+sub write_file_table_detail_entry(*$$$$$)
+{
+ my $rate;
+ my $func_rate;
+ my $name = $_[1];
+
+ if ($_[2]>0)
+ {
+ $rate = sprintf("%.1f", $_[3]*100/$_[2])."&nbsp;%";
+ }
+ else
+ {
+ $rate = "-";
+ }
+
+ if ($_[4]>0)
+ {
+ $func_rate = sprintf("%.1f", $_[5]*100/$_[4])."&nbsp;%";
+ }
+ else
+ {
+ $func_rate = "-";
+ }
+
+ if ($name =~ /^(.*),diff$/)
+ {
+ $name = $1." (converted)";
+ }
+
+ if ($name eq "")
+ {
+ $name = "<span style=\"font-style:italic\">&lt;unnamed&gt;</span>";
+ }
+
+ # *************************************************************
+
+ write_html($_[0], <<END_OF_HTML)
+ <tr>
+ <td class="testName" colspan=2>$name</td>
+ <td class="testPer">$rate</td>
+ <td class="testNum">$_[3]&nbsp;/&nbsp;$_[2]&nbsp;lines</td>
+END_OF_HTML
+ ;
+ if ($func_coverage)
+ {
+ write_html($_[0], <<END_OF_HTML)
+ <td class="testPer">$func_rate</td>
+ <td class="testNum">$_[5]&nbsp;/&nbsp;$_[4]</td>
+END_OF_HTML
+ ;
+ }
+ write_html($_[0], <<END_OF_HTML)
+ </tr>
+
+END_OF_HTML
+ ;
+
+ # *************************************************************
+}
+
+
+#
+# write_file_table_epilog(filehandle)
+#
+# Write end of file table HTML code.
+#
+
+sub write_file_table_epilog(*)
+{
+ # *************************************************************
+
+ write_html($_[0], <<END_OF_HTML)
+ </table>
+ </center>
+ <br>
+
+END_OF_HTML
+ ;
+
+ # *************************************************************
+}
+
+
+#
+# write_test_table_prolog(filehandle, table_heading)
+#
+# Write heading for test case description table.
+#
+
+sub write_test_table_prolog(*$)
+{
+ # *************************************************************
+
+ write_html($_[0], <<END_OF_HTML)
+ <center>
+ <table width="80%" cellpadding=2 cellspacing=1 border=0>
+
+ <tr>
+ <td><br></td>
+ </tr>
+
+ <tr>
+ <td class="tableHead">$_[1]</td>
+ </tr>
+
+ <tr>
+ <td class="testDescription">
+ <dl>
+END_OF_HTML
+ ;
+
+ # *************************************************************
+}
+
+
+#
+# write_test_table_entry(filehandle, test_name, test_description)
+#
+# Write entry for the test table.
+#
+
+sub write_test_table_entry(*$$)
+{
+ # *************************************************************
+
+ write_html($_[0], <<END_OF_HTML)
+ <dt>$_[1]<a name="$_[1]">&nbsp;</a></dt>
+ <dd>$_[2]<br><br></dd>
+END_OF_HTML
+ ;
+
+ # *************************************************************
+}
+
+
+#
+# write_test_table_epilog(filehandle)
+#
+# Write end of test description table HTML code.
+#
+
+sub write_test_table_epilog(*)
+{
+ # *************************************************************
+
+ write_html($_[0], <<END_OF_HTML)
+ </dl>
+ </td>
+ </tr>
+ </table>
+ </center>
+ <br>
+
+END_OF_HTML
+ ;
+
+ # *************************************************************
+}
+
+
+#
+# write_source_prolog(filehandle)
+#
+# Write start of source code table.
+#
+
+sub write_source_prolog(*)
+{
+ # *************************************************************
+
+ write_html($_[0], <<END_OF_HTML)
+ <table cellpadding=0 cellspacing=0 border=0>
+ <tr>
+ <td><br></td>
+ </tr>
+ <tr>
+ <td><pre class="source">
+END_OF_HTML
+ ;
+
+ # *************************************************************
+}
+
+
+#
+# write_source_line(filehandle, line_num, source, hit_count, converted,
+# add_anchor)
+#
+# Write formatted source code line. Return a line in a format as needed
+# by gen_png()
+#
+
+sub write_source_line(*$$$$$)
+{
+ my $source_format;
+ my $count;
+ my $result;
+ my $anchor_start = "";
+ my $anchor_end = "";
+
+ if (!(defined$_[3]))
+ {
+ $result = "";
+ $source_format = "";
+ $count = " "x15;
+ }
+ elsif ($_[3] == 0)
+ {
+ $result = $_[3];
+ $source_format = '<span class="lineNoCov">';
+ $count = sprintf("%15d", $_[3]);
+ }
+ elsif ($_[4] && defined($highlight))
+ {
+ $result = "*".$_[3];
+ $source_format = '<span class="lineDiffCov">';
+ $count = sprintf("%15d", $_[3]);
+ }
+ else
+ {
+ $result = $_[3];
+ $source_format = '<span class="lineCov">';
+ $count = sprintf("%15d", $_[3]);
+ }
+
+ $result .= ":".$_[2];
+
+ # Write out a line number navigation anchor every $nav_resolution
+ # lines if necessary
+ if ($_[5])
+ {
+ $anchor_start = "<a name=\"$_[1]\">";
+ $anchor_end = "</a>";
+ }
+
+
+ # *************************************************************
+
+ write_html($_[0],
+ $anchor_start.
+ '<span class="lineNum">'.sprintf("%8d", $_[1]).
+ " </span>$source_format$count : ".
+ escape_html($_[2]).($source_format?"</span>":"").
+ $anchor_end."\n");
+
+ # *************************************************************
+
+ return($result);
+}
+
+
+#
+# write_source_epilog(filehandle)
+#
+# Write end of source code table.
+#
+
+sub write_source_epilog(*)
+{
+ # *************************************************************
+
+ write_html($_[0], <<END_OF_HTML)
+ </pre>
+ </td>
+ </tr>
+ </table>
+ <br>
+
+END_OF_HTML
+ ;
+
+ # *************************************************************
+}
+
+
+#
+# write_html_epilog(filehandle, base_dir[, break_frames])
+#
+# Write HTML page footer to FILEHANDLE. BREAK_FRAMES should be set when
+# this page is embedded in a frameset, clicking the URL link will then
+# break this frameset.
+#
+
+sub write_html_epilog(*$;$)
+{
+ my $basedir = $_[1];
+ my $break_code = "";
+ my $epilog;
+
+ if (defined($_[2]))
+ {
+ $break_code = " target=\"_parent\"";
+ }
+
+ # *************************************************************
+
+ write_html($_[0], <<END_OF_HTML)
+ <table width="100%" border=0 cellspacing=0 cellpadding=0>
+ <tr><td class="ruler"><img src="$_[1]glass.png" width=3 height=3 alt=""></td></tr>
+ <tr><td class="versionInfo">Generated by: <a href="$lcov_url"$break_code>$lcov_version</a></td></tr>
+ </table>
+ <br>
+END_OF_HTML
+ ;
+
+ $epilog = $html_epilog;
+ $epilog =~ s/\@basedir\@/$basedir/g;
+
+ write_html($_[0], $epilog);
+}
+
+
+#
+# write_frameset(filehandle, basedir, basename, pagetitle)
+#
+#
+
+sub write_frameset(*$$$)
+{
+ my $frame_width = $overview_width + 40;
+
+ # *************************************************************
+
+ write_html($_[0], <<END_OF_HTML)
+ <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN">
+
+ <html lang="en">
+
+ <head>
+ <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+ <title>$_[3]</title>
+ <link rel="stylesheet" type="text/css" href="$_[1]gcov.css">
+ </head>
+
+ <frameset cols="$frame_width,*">
+ <frame src="$_[2].gcov.overview.$html_ext" name="overview">
+ <frame src="$_[2].gcov.$html_ext" name="source">
+ <noframes>
+ <center>Frames not supported by your browser!<br></center>
+ </noframes>
+ </frameset>
+
+ </html>
+END_OF_HTML
+ ;
+
+ # *************************************************************
+}
+
+
+#
+# sub write_overview_line(filehandle, basename, line, link)
+#
+#
+
+sub write_overview_line(*$$$)
+{
+ my $y1 = $_[2] - 1;
+ my $y2 = $y1 + $nav_resolution - 1;
+ my $x2 = $overview_width - 1;
+
+ # *************************************************************
+
+ write_html($_[0], <<END_OF_HTML)
+ <area shape="rect" coords="0,$y1,$x2,$y2" href="$_[1].gcov.$html_ext#$_[3]" target="source" alt="overview">
+END_OF_HTML
+ ;
+
+ # *************************************************************
+}
+
+
+#
+# write_overview(filehandle, basedir, basename, pagetitle, lines)
+#
+#
+
+sub write_overview(*$$$$)
+{
+ my $index;
+ my $max_line = $_[4] - 1;
+ my $offset;
+
+ # *************************************************************
+
+ write_html($_[0], <<END_OF_HTML)
+ <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+
+ <html lang="en">
+
+ <head>
+ <title>$_[3]</title>
+ <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+ <link rel="stylesheet" type="text/css" href="$_[1]gcov.css">
+ </head>
+
+ <body>
+ <map name="overview">
+END_OF_HTML
+ ;
+
+ # *************************************************************
+
+ # Make $offset the next higher multiple of $nav_resolution
+ $offset = ($nav_offset + $nav_resolution - 1) / $nav_resolution;
+ $offset = sprintf("%d", $offset ) * $nav_resolution;
+
+ # Create image map for overview image
+ for ($index = 1; $index <= $_[4]; $index += $nav_resolution)
+ {
+ # Enforce nav_offset
+ if ($index < $offset + 1)
+ {
+ write_overview_line($_[0], $_[2], $index, 1);
+ }
+ else
+ {
+ write_overview_line($_[0], $_[2], $index, $index - $offset);
+ }
+ }
+
+ # *************************************************************
+
+ write_html($_[0], <<END_OF_HTML)
+ </map>
+
+ <center>
+ <a href="$_[2].gcov.$html_ext#top" target="source">Top</a><br><br>
+ <img src="$_[2].gcov.png" width=$overview_width height=$max_line alt="Overview" border=0 usemap="#overview">
+ </center>
+ </body>
+ </html>
+END_OF_HTML
+ ;
+
+ # *************************************************************
+}
+
+
+# rate_to_col(found, hit)
+#
+# Return Lo, Med or Hi, depending on the coverage rate.
+#
+
+sub rate_to_col($$)
+{
+ my ($found, $hit) = @_;
+ my $rate;
+
+ if ($found == 0) {
+ return "Hi";
+ }
+ $rate = 100 * $hit / $found;
+ if ($rate < $med_limit) {
+ return "Lo";
+ } elsif ($rate < $hi_limit) {
+ return "Med";
+ }
+ return "Hi";
+}
+
+# format_rate(found, hit)
+#
+# Return formatted percent string for coverage rate.
+#
+
+sub format_rate($$)
+{
+ return $_[0] == 0 ? "-" : sprintf("%.1f", $_[1] * 100 / $_[0])." %";
+}
+
+sub get_legend_code($$$)
+{
+ my ($text, $med, $hi) = @_;
+ my $result;
+
+ $result = <<EOF;
+ $text<br>
+ <span class="coverLegendLo">0% to $med%</span>
+ <span class="coverLegendMed">$med% to $hi%</span>
+ <span class="coverLegendHi">$hi% to 100%</span>
+EOF
+ return $result;
+}
+
+#
+# write_header(filehandle, type, trunc_file_name, rel_file_name, lines_found,
+# lines_hit, funcs_found, funcs_hit, sort_type)
+#
+# Write a complete standard page header. TYPE may be (0, 1, 2, 3, 4)
+# corresponding to (directory view header, file view header, source view
+# header, test case description header, function view header)
+#
+
+sub write_header(*$$$$$$$$)
+{
+ local *HTML_HANDLE = $_[0];
+ my $type = $_[1];
+ my $trunc_name = $_[2];
+ my $rel_filename = $_[3];
+ my $lines_found = $_[4];
+ my $lines_hit = $_[5];
+ my $fn_found = $_[6];
+ my $fn_hit = $_[7];
+ my $sort_type = $_[8];
+ my $base_dir;
+ my $view;
+ my $test;
+ my $base_name;
+
+ $base_name = basename($rel_filename);
+
+ # Prepare text for "current view" field
+ if ($type == 0)
+ {
+ # Main overview
+ $base_dir = "";
+ $view = $overview_title;
+ }
+ elsif ($type == 1)
+ {
+ # Directory overview
+ $base_dir = get_relative_base_path($rel_filename);
+ $view = "<a href=\"$base_dir"."index.$html_ext\">".
+ "$overview_title</a> - $trunc_name";
+ }
+ elsif ($type == 2 || $type == 4)
+ {
+ # File view
+ my $dir_name = dirname($rel_filename);
+
+ $base_dir = get_relative_base_path($dir_name);
+ if ($frames)
+ {
+ # Need to break frameset when clicking any of these
+ # links
+ $view = "<a href=\"$base_dir"."index.$html_ext\" ".
+ "target=\"_parent\">$overview_title</a> - ".
+ "<a href=\"index.$html_ext\" target=\"_parent\">".
+ "$dir_name</a> - $base_name";
+ }
+ else
+ {
+ $view = "<a href=\"$base_dir"."index.$html_ext\">".
+ "$overview_title</a> - ".
+ "<a href=\"index.$html_ext\">".
+ "$dir_name</a> - $base_name";
+ }
+
+ # Add function suffix
+ if ($func_coverage) {
+ if ($type == 2) {
+ $view .= " (source / <a href=\"$base_name.func.$html_ext\">functions</a>)";
+ } elsif ($type == 4) {
+ $view .= " (<a href=\"$base_name.gcov.$html_ext\">source</a> / functions)";
+ }
+ }
+ }
+ elsif ($type == 3)
+ {
+ # Test description header
+ $base_dir = "";
+ $view = "<a href=\"$base_dir"."index.$html_ext\">".
+ "$overview_title</a> - test case descriptions";
+ }
+
+ # Prepare text for "test" field
+ $test = escape_html($test_title);
+
+ # Append link to test description page if available
+ if (%test_description && ($type != 3))
+ {
+ if ($frames && ($type == 2 || $type == 4))
+ {
+ # Need to break frameset when clicking this link
+ $test .= " ( <a href=\"$base_dir".
+ "descriptions.$html_ext\" target=\"_parent\">".
+ "view descriptions</a> )";
+ }
+ else
+ {
+ $test .= " ( <a href=\"$base_dir".
+ "descriptions.$html_ext\">".
+ "view descriptions</a> )";
+ }
+ }
+
+ # Write header
+ write_header_prolog(*HTML_HANDLE, $base_dir);
+ write_header_line(*HTML_HANDLE, 0, "Current view:", $view,
+ "Found", "Hit", "Coverage");
+ write_header_line(*HTML_HANDLE, 1, "Test:", $test, "Lines:",
+ $lines_found, $lines_hit,
+ $rate_name[classify_rate($lines_found, $lines_hit,
+ $med_limit, $hi_limit)],
+ format_rate($lines_found, $lines_hit));
+ if ($func_coverage) {
+ write_header_line(*HTML_HANDLE, 1, "Date:", $date, "Functions:",
+ $fn_found, $fn_hit,
+ $rate_name[classify_rate($fn_found,
+ $fn_hit,
+ $fn_med_limit,
+ $fn_hi_limit)],
+ format_rate($fn_found, $fn_hit));
+ } else {
+ write_header_line(*HTML_HANDLE, 4, "Date:", $date);
+ }
+ if ($legend) {
+ if ($type == 0 || $type == 1) {
+ my $line_code = get_legend_code("Line coverage:",
+ $med_limit, $hi_limit);
+ my $func_code = "";
+
+ if ($func_coverage) {
+ $func_code = get_legend_code(
+ "Function coverage:",
+ $fn_med_limit,
+ $fn_hi_limit);
+ }
+ write_header_line(*HTML_HANDLE, 2, "Colors:",
+ $line_code, $func_code);
+ } elsif ($type == 2 || $type == 4) {
+ write_header_line(*HTML_HANDLE, 3, "Colors:",
+ "not hit", "hit");
+ }
+ }
+ write_header_epilog(*HTML_HANDLE, $base_dir);
+}
+
+
+#
+# split_filename(filename)
+#
+# Return (path, filename, extension) for a given FILENAME.
+#
+
+sub split_filename($)
+{
+ if (!$_[0]) { return(); }
+ my @path_components = split('/', $_[0]);
+ my @file_components = split('\.', pop(@path_components));
+ my $extension = pop(@file_components);
+
+ return (join("/",@path_components), join(".",@file_components),
+ $extension);
+}
+
+#
+# get_sorted_keys(hash_ref, sort_type)
+#
+
+sub get_sorted_keys($$)
+{
+ my ($hash, $type) = @_;
+
+ if ($type == 0) {
+ # Sort by name
+ return sort(keys(%{$hash}));
+ } elsif ($type == 1) {
+ # Sort by line coverage
+ return sort({$hash->{$a}[5] <=> $hash->{$b}[5]} keys(%{$hash}));
+ } elsif ($type == 2) {
+ # Sort by function coverage;
+ return sort({$hash->{$a}[6] <=> $hash->{$b}[6]} keys(%{$hash}));
+ }
+}
+
+sub get_sort_code($$$)
+{
+ my ($link, $alt, $base) = @_;
+ my $png;
+ my $link_start;
+ my $link_end;
+
+ if (!defined($link)) {
+ $png = "glass.png";
+ $link_start = "";
+ $link_end = "";
+ } else {
+ $png = "updown.png";
+ $link_start = '<a href="'.$link.'">';
+ $link_end = "</a>";
+ }
+
+ return ' <span class="tableHeadSort">'.$link_start.
+ '<img src="'.$base.$png.'" width=10 height=14 '.
+ 'alt="'.$alt.'" title="'.$alt.'" border=0>'.$link_end.'</span>';
+}
+
+sub get_file_code($$$$)
+{
+ my ($type, $text, $sort_button, $base) = @_;
+ my $result = $text;
+ my $link;
+
+ if ($sort_button) {
+ if ($type == 1) {
+ $link = "index.$html_ext";
+ } else {
+ $link = "index-detail.$html_ext";
+ }
+ }
+ $result .= get_sort_code($link, "Sort by name", $base);
+
+ return $result;
+}
+
+sub get_line_code($$$$$)
+{
+ my ($type, $sort_type, $text, $sort_button, $base) = @_;
+ my $result = $text;
+ my $sort_link;
+
+ if ($type == 1) {
+ # Just text
+ if ($sort_button) {
+ $sort_link = "index-sort-l.$html_ext";
+ }
+ } elsif ($type == 2) {
+ # Text + link to detail view
+ $result .= ' ( <a class="detail" href="index-detail'.
+ $fileview_sortname[$sort_type].'.'.$html_ext.
+ '">show details</a> )';
+ if ($sort_button) {
+ $sort_link = "index-sort-l.$html_ext";
+ }
+ } else {
+ # Text + link to standard view
+ $result .= ' ( <a class="detail" href="index'.
+ $fileview_sortname[$sort_type].'.'.$html_ext.
+ '">hide details</a> )';
+ if ($sort_button) {
+ $sort_link = "index-detail-sort-l.$html_ext";
+ }
+ }
+ # Add sort button
+ $result .= get_sort_code($sort_link, "Sort by line coverage", $base);
+
+ return $result;
+}
+
+sub get_func_code($$$$)
+{
+ my ($type, $text, $sort_button, $base) = @_;
+ my $result = $text;
+ my $link;
+
+ if ($sort_button) {
+ if ($type == 1) {
+ $link = "index-sort-f.$html_ext";
+ } else {
+ $link = "index-detail-sort-f.$html_ext";
+ }
+ }
+ $result .= get_sort_code($link, "Sort by function coverage", $base);
+ return $result;
+}
+
+#
+# write_file_table(filehandle, base_dir, overview, testhash, testfnchash,
+# fileview, sort_type)
+#
+# Write a complete file table. OVERVIEW is a reference to a hash containing
+# the following mapping:
+#
+# filename -> "lines_found,lines_hit,funcs_found,funcs_hit,page_link,
+# func_link"
+#
+# TESTHASH is a reference to the following hash:
+#
+# filename -> \%testdata
+# %testdata: name of test affecting this file -> \%testcount
+# %testcount: line number -> execution count for a single test
+#
+# Heading of first column is "Filename" if FILEVIEW is true, "Directory name"
+# otherwise.
+#
+
+sub write_file_table(*$$$$$$)
+{
+ local *HTML_HANDLE = $_[0];
+ my $base_dir = $_[1];
+ my $overview = $_[2];
+ my $testhash = $_[3];
+ my $testfnchash = $_[4];
+ my $fileview = $_[5];
+ my $sort_type = $_[6];
+ my $filename;
+ my $bar_graph;
+ my $hit;
+ my $found;
+ my $fn_found;
+ my $fn_hit;
+ my $page_link;
+ my $testname;
+ my $testdata;
+ my $testfncdata;
+ my $testcount;
+ my $testfnccount;
+ my %affecting_tests;
+ my $line_code = "";
+ my $func_code;
+ my $file_code;
+
+ # Determine HTML code for column headings
+ if (($base_dir ne "") && $show_details)
+ {
+ my $detailed = keys(%{$testhash});
+
+ $file_code = get_file_code($detailed ? 2 : 1,
+ $fileview ? "Filename" : "Directory",
+ $sort && $sort_type != 0, $base_dir);
+ $line_code = get_line_code($detailed ? 3 : 2, $sort_type,
+ "Line Coverage",
+ $sort && $sort_type != 1, $base_dir);
+ $func_code = get_func_code($detailed ? 2 : 1, "Functions",
+ $sort && $sort_type != 2, $base_dir);
+ } else {
+ $file_code = get_file_code(1,
+ $fileview ? "Filename" : "Directory",
+ $sort && $sort_type != 0, $base_dir);
+ $line_code = get_line_code(1, $sort_type, "Line Coverage",
+ $sort && $sort_type != 1, $base_dir);
+ $func_code = get_func_code(1, "Functions",
+ $sort && $sort_type != 2, $base_dir);
+ }
+
+ write_file_table_prolog(*HTML_HANDLE, $file_code, $line_code,
+ $func_code);
+
+ foreach $filename (get_sorted_keys($overview, $sort_type))
+ {
+ ($found, $hit, $fn_found, $fn_hit, $page_link)
+ = @{$overview->{$filename}};
+ $bar_graph = get_bar_graph_code($base_dir, $found, $hit);
+
+ $testdata = $testhash->{$filename};
+ $testfncdata = $testfnchash->{$filename};
+
+ write_file_table_entry(*HTML_HANDLE, $filename, $bar_graph,
+ $found, $hit, $fn_found, $fn_hit,
+ $page_link);
+
+ # Check whether we should write test specific coverage
+ # as well
+ if (!($show_details && $testdata)) { next; }
+
+ # Filter out those tests that actually affect this file
+ %affecting_tests = %{ get_affecting_tests($testdata,
+ $testfncdata) };
+
+ # Does any of the tests affect this file at all?
+ if (!%affecting_tests) { next; }
+
+ # Write test details for this entry
+ write_file_table_detail_heading(*HTML_HANDLE, "Test name",
+ "Lines hit", "Functions hit");
+
+ foreach $testname (keys(%affecting_tests))
+ {
+ ($found, $hit, $fn_found, $fn_hit) =
+ split(",", $affecting_tests{$testname});
+
+ # Insert link to description of available
+ if ($test_description{$testname})
+ {
+ $testname = "<a href=\"$base_dir".
+ "descriptions.$html_ext#$testname\">".
+ "$testname</a>";
+ }
+
+ write_file_table_detail_entry(*HTML_HANDLE, $testname,
+ $found, $hit, $fn_found, $fn_hit);
+ }
+ }
+
+ write_file_table_epilog(*HTML_HANDLE);
+}
+
+
+#
+# get_found_and_hit(hash)
+#
+# Return the count for entries (found) and entries with an execution count
+# greater than zero (hit) in a hash (linenumber -> execution count) as
+# a list (found, hit)
+#
+
+sub get_found_and_hit($)
+{
+ my %hash = %{$_[0]};
+ my $found = 0;
+ my $hit = 0;
+
+ # Calculate sum
+ $found = 0;
+ $hit = 0;
+
+ foreach (keys(%hash))
+ {
+ $found++;
+ if ($hash{$_}>0) { $hit++; }
+ }
+
+ return ($found, $hit);
+}
+
+
+#
+# get_func_found_and_hit(sumfnccount)
+#
+# Return (f_found, f_hit) for sumfnccount
+#
+
+sub get_func_found_and_hit($)
+{
+ my ($sumfnccount) = @_;
+ my $function;
+ my $fn_found;
+ my $fn_hit;
+
+ $fn_found = scalar(keys(%{$sumfnccount}));
+ $fn_hit = 0;
+ foreach $function (keys(%{$sumfnccount})) {
+ if ($sumfnccount->{$function} > 0) {
+ $fn_hit++;
+ }
+ }
+ return ($fn_found, $fn_hit);
+}
+
+
+#
+# get_affecting_tests(testdata, testfncdata)
+#
+# HASHREF contains a mapping filename -> (linenumber -> exec count). Return
+# a hash containing mapping filename -> "lines found, lines hit" for each
+# filename which has a nonzero hit count.
+#
+
+sub get_affecting_tests($$)
+{
+ my $testdata = $_[0];
+ my $testfncdata = $_[1];
+ my $testname;
+ my $testcount;
+ my $testfnccount;
+ my %result;
+ my $found;
+ my $hit;
+ my $fn_found;
+ my $fn_hit;
+
+ foreach $testname (keys(%{$testdata}))
+ {
+ # Get (line number -> count) hash for this test case
+ $testcount = $testdata->{$testname};
+ $testfnccount = $testfncdata->{$testname};
+
+ # Calculate sum
+ ($found, $hit) = get_found_and_hit($testcount);
+ ($fn_found, $fn_hit) = get_func_found_and_hit($testfnccount);
+
+ if ($hit>0)
+ {
+ $result{$testname} = "$found,$hit,$fn_found,$fn_hit";
+ }
+ }
+
+ return(\%result);
+}
+
+
+sub get_hash_reverse($)
+{
+ my ($hash) = @_;
+ my %result;
+
+ foreach (keys(%{$hash})) {
+ $result{$hash->{$_}} = $_;
+ }
+
+ return \%result;
+}
+
+#
+# write_source(filehandle, source_filename, count_data, checksum_data,
+# converted_data, func_data)
+#
+# Write an HTML view of a source code file. Returns a list containing
+# data as needed by gen_png().
+#
+# Die on error.
+#
+
+sub write_source($$$$$$)
+{
+ local *HTML_HANDLE = $_[0];
+ local *SOURCE_HANDLE;
+ my $source_filename = $_[1];
+ my %count_data;
+ my $line_number;
+ my @result;
+ my $checkdata = $_[3];
+ my $converted = $_[4];
+ my $funcdata = $_[5];
+ my $datafunc = get_hash_reverse($funcdata);
+ my $add_anchor;
+
+ if ($_[2])
+ {
+ %count_data = %{$_[2]};
+ }
+
+ open(SOURCE_HANDLE, "<".$source_filename)
+ or die("ERROR: cannot open $source_filename for reading!\n");
+
+ write_source_prolog(*HTML_HANDLE);
+
+ for ($line_number = 1; <SOURCE_HANDLE> ; $line_number++)
+ {
+ chomp($_);
+
+ # Source code matches coverage data?
+ if (defined($checkdata->{$line_number}) &&
+ ($checkdata->{$line_number} ne md5_base64($_)))
+ {
+ die("ERROR: checksum mismatch at $source_filename:".
+ "$line_number\n");
+ }
+
+ $add_anchor = 0;
+ if ($frames) {
+ if (($line_number - 1) % $nav_resolution == 0) {
+ $add_anchor = 1;
+ }
+ }
+ if ($func_coverage) {
+ if ($line_number == 1) {
+ $add_anchor = 1;
+ } elsif (defined($datafunc->{$line_number +
+ $func_offset})) {
+ $add_anchor = 1;
+ }
+ }
+ push (@result,
+ write_source_line(HTML_HANDLE, $line_number,
+ $_, $count_data{$line_number},
+ $converted->{$line_number},
+ $add_anchor));
+ }
+
+ close(SOURCE_HANDLE);
+ write_source_epilog(*HTML_HANDLE);
+ return(@result);
+}
+
+
+sub funcview_get_func_code($$$)
+{
+ my ($name, $base, $type) = @_;
+ my $result;
+ my $link;
+
+ if ($sort && $type == 1) {
+ $link = "$name.func.$html_ext";
+ }
+ $result = "Function Name";
+ $result .= get_sort_code($link, "Sort by function name", $base);
+
+ return $result;
+}
+
+sub funcview_get_count_code($$$)
+{
+ my ($name, $base, $type) = @_;
+ my $result;
+ my $link;
+
+ if ($sort && $type == 0) {
+ $link = "$name.func-sort-c.$html_ext";
+ }
+ $result = "Hit count";
+ $result .= get_sort_code($link, "Sort by hit count", $base);
+
+ return $result;
+}
+
+#
+# funcview_get_sorted(funcdata, sumfncdata, sort_type)
+#
+# Depending on the value of sort_type, return a list of functions sorted
+# by name (type 0) or by the associated call count (type 1).
+#
+
+sub funcview_get_sorted($$$)
+{
+ my ($funcdata, $sumfncdata, $type) = @_;
+
+ if ($type == 0) {
+ return sort(keys(%{$funcdata}));
+ }
+ return sort({$sumfncdata->{$b} <=> $sumfncdata->{$a}}
+ keys(%{$sumfncdata}));
+}
+
+#
+# write_function_table(filehandle, source_file, sumcount, funcdata,
+# sumfnccount, testfncdata)
+#
+# Write an HTML table listing all functions in a source file, including
+# also function call counts and line coverages inside of each function.
+#
+# Die on error.
+#
+
+sub write_function_table(*$$$$$$$$)
+{
+ local *HTML_HANDLE = $_[0];
+ my $source = $_[1];
+ my $sumcount = $_[2];
+ my $funcdata = $_[3];
+ my $sumfncdata = $_[4];
+ my $testfncdata = $_[5];
+ my $name = $_[6];
+ my $base = $_[7];
+ my $type = $_[8];
+ my $func;
+ my $func_code;
+ my $count_code;
+
+ # Get HTML code for headings
+ $func_code = funcview_get_func_code($name, $base, $type);
+ $count_code = funcview_get_count_code($name, $base, $type);
+ write_html(*HTML_HANDLE, <<END_OF_HTML)
+ <center>
+ <table width="60%" cellpadding=1 cellspacing=1 border=0>
+ <tr><td><br></td></tr>
+ <tr>
+ <td width="80%" class="tableHead">$func_code</td>
+ <td width="20%" class="tableHead">$count_code</td>
+ </tr>
+END_OF_HTML
+ ;
+
+ # Get a sorted table
+ foreach $func (funcview_get_sorted($funcdata, $sumfncdata, $type)) {
+ my $startline = $funcdata->{$func} - $func_offset;
+ my $name = escape_html($func);
+ my $count = $sumfncdata->{$name};
+ my $countstyle;
+
+ if ($startline < 1) {
+ $startline = 1;
+ }
+ if ($count == 0) {
+ $countstyle = "coverFnLo";
+ } else {
+ $countstyle = "coverFnHi";
+ }
+
+ write_html(*HTML_HANDLE, <<END_OF_HTML)
+ <tr>
+ <td class="coverFn"><a href="$source#$startline">$name</a></td>
+ <td class="$countstyle">$count</td>
+ </tr>
+END_OF_HTML
+ ;
+ }
+ write_html(*HTML_HANDLE, <<END_OF_HTML)
+ </table>
+ <br>
+ </center>
+END_OF_HTML
+ ;
+}
+
+
+#
+# info(printf_parameter)
+#
+# Use printf to write PRINTF_PARAMETER to stdout only when the $quiet flag
+# is not set.
+#
+
+sub info(@)
+{
+ if (!$quiet)
+ {
+ # Print info string
+ printf(@_);
+ }
+}
+
+
+#
+# subtract_counts(data_ref, base_ref)
+#
+
+sub subtract_counts($$)
+{
+ my %data = %{$_[0]};
+ my %base = %{$_[1]};
+ my $line;
+ my $data_count;
+ my $base_count;
+ my $hit = 0;
+ my $found = 0;
+
+ foreach $line (keys(%data))
+ {
+ $found++;
+ $data_count = $data{$line};
+ $base_count = $base{$line};
+
+ if (defined($base_count))
+ {
+ $data_count -= $base_count;
+
+ # Make sure we don't get negative numbers
+ if ($data_count<0) { $data_count = 0; }
+ }
+
+ $data{$line} = $data_count;
+ if ($data_count > 0) { $hit++; }
+ }
+
+ return (\%data, $found, $hit);
+}
+
+
+#
+# subtract_fnccounts(data, base)
+#
+# Subtract function call counts found in base from those in data.
+# Return (data, f_found, f_hit).
+#
+
+sub subtract_fnccounts($$)
+{
+ my %data = %{$_[0]};
+ my %base = %{$_[1]};
+ my $func;
+ my $data_count;
+ my $base_count;
+ my $fn_hit = 0;
+ my $fn_found = 0;
+
+ foreach $func (keys(%data)) {
+ $fn_found++;
+ $data_count = $data{$func};
+ $base_count = $base{$func};
+
+ if (defined($base_count)) {
+ $data_count -= $base_count;
+
+ # Make sure we don't get negative numbers
+ if ($data_count < 0) {
+ $data_count = 0;
+ }
+ }
+
+ $data{$func} = $data_count;
+ if ($data_count > 0) {
+ $fn_hit++;
+ }
+ }
+
+ return (\%data, $fn_found, $fn_hit);
+}
+
+
+#
+# apply_baseline(data_ref, baseline_ref)
+#
+# Subtract the execution counts found in the baseline hash referenced by
+# BASELINE_REF from actual data in DATA_REF.
+#
+
+sub apply_baseline($$)
+{
+ my %data_hash = %{$_[0]};
+ my %base_hash = %{$_[1]};
+ my $filename;
+ my $testname;
+ my $data;
+ my $data_testdata;
+ my $data_funcdata;
+ my $data_checkdata;
+ my $data_testfncdata;
+ my $data_count;
+ my $data_testfnccount;
+ my $base;
+ my $base_checkdata;
+ my $base_sumfnccount;
+ my $base_count;
+ my $sumcount;
+ my $sumfnccount;
+ my $found;
+ my $hit;
+ my $fn_found;
+ my $fn_hit;
+
+ foreach $filename (keys(%data_hash))
+ {
+ # Get data set for data and baseline
+ $data = $data_hash{$filename};
+ $base = $base_hash{$filename};
+
+ # Skip data entries for which no base entry exists
+ if (!defined($base))
+ {
+ next;
+ }
+
+ # Get set entries for data and baseline
+ ($data_testdata, undef, $data_funcdata, $data_checkdata,
+ $data_testfncdata) = get_info_entry($data);
+ (undef, $base_count, undef, $base_checkdata, undef,
+ $base_sumfnccount) = get_info_entry($base);
+
+ # Check for compatible checksums
+ merge_checksums($data_checkdata, $base_checkdata, $filename);
+
+ # sumcount has to be calculated anew
+ $sumcount = {};
+ $sumfnccount = {};
+
+ # For each test case, subtract test specific counts
+ foreach $testname (keys(%{$data_testdata}))
+ {
+ # Get counts of both data and baseline
+ $data_count = $data_testdata->{$testname};
+ $data_testfnccount = $data_testfncdata->{$testname};
+
+ ($data_count, undef, $hit) =
+ subtract_counts($data_count, $base_count);
+ ($data_testfnccount) =
+ subtract_fnccounts($data_testfnccount,
+ $base_sumfnccount);
+
+ # Check whether this test case did hit any line at all
+ if ($hit > 0)
+ {
+ # Write back resulting hash
+ $data_testdata->{$testname} = $data_count;
+ $data_testfncdata->{$testname} =
+ $data_testfnccount;
+ }
+ else
+ {
+ # Delete test case which did not impact this
+ # file
+ delete($data_testdata->{$testname});
+ delete($data_testfncdata->{$testname});
+ }
+
+ # Add counts to sum of counts
+ ($sumcount, $found, $hit) =
+ add_counts($sumcount, $data_count);
+ ($sumfnccount, $fn_found, $fn_hit) =
+ add_fnccounts($sumfnccount, $data_testfnccount);
+ }
+
+ # Write back resulting entry
+ set_info_entry($data, $data_testdata, $sumcount, $data_funcdata,
+ $data_checkdata, $data_testfncdata, $sumfnccount,
+ $found, $hit, $fn_found, $fn_hit);
+
+ $data_hash{$filename} = $data;
+ }
+
+ return (\%data_hash);
+}
+
+
+#
+# remove_unused_descriptions()
+#
+# Removes all test descriptions from the global hash %test_description which
+# are not present in %info_data.
+#
+
+sub remove_unused_descriptions()
+{
+ my $filename; # The current filename
+ my %test_list; # Hash containing found test names
+ my $test_data; # Reference to hash test_name -> count_data
+ my $before; # Initial number of descriptions
+ my $after; # Remaining number of descriptions
+
+ $before = scalar(keys(%test_description));
+
+ foreach $filename (keys(%info_data))
+ {
+ ($test_data) = get_info_entry($info_data{$filename});
+ foreach (keys(%{$test_data}))
+ {
+ $test_list{$_} = "";
+ }
+ }
+
+ # Remove descriptions for tests which are not in our list
+ foreach (keys(%test_description))
+ {
+ if (!defined($test_list{$_}))
+ {
+ delete($test_description{$_});
+ }
+ }
+
+ $after = scalar(keys(%test_description));
+ if ($after < $before)
+ {
+ info("Removed ".($before - $after).
+ " unused descriptions, $after remaining.\n");
+ }
+}
+
+
+#
+# apply_prefix(filename, prefix)
+#
+# If FILENAME begins with PREFIX, remove PREFIX from FILENAME and return
+# resulting string, otherwise return FILENAME.
+#
+
+sub apply_prefix($$)
+{
+ my $filename = $_[0];
+ my $prefix = $_[1];
+
+ if (defined($prefix) && ($prefix ne ""))
+ {
+ if ($filename =~ /^\Q$prefix\E\/(.*)$/)
+ {
+ return substr($filename, length($prefix) + 1);
+ }
+ }
+
+ return $filename;
+}
+
+
+#
+# system_no_output(mode, parameters)
+#
+# Call an external program using PARAMETERS while suppressing depending on
+# the value of MODE:
+#
+# MODE & 1: suppress STDOUT
+# MODE & 2: suppress STDERR
+#
+# Return 0 on success, non-zero otherwise.
+#
+
+sub system_no_output($@)
+{
+ my $mode = shift;
+ my $result;
+ local *OLD_STDERR;
+ local *OLD_STDOUT;
+
+ # Save old stdout and stderr handles
+ ($mode & 1) && open(OLD_STDOUT, ">>&STDOUT");
+ ($mode & 2) && open(OLD_STDERR, ">>&STDERR");
+
+ # Redirect to /dev/null
+ ($mode & 1) && open(STDOUT, ">/dev/null");
+ ($mode & 2) && open(STDERR, ">/dev/null");
+
+ system(@_);
+ $result = $?;
+
+ # Close redirected handles
+ ($mode & 1) && close(STDOUT);
+ ($mode & 2) && close(STDERR);
+
+ # Restore old handles
+ ($mode & 1) && open(STDOUT, ">>&OLD_STDOUT");
+ ($mode & 2) && open(STDERR, ">>&OLD_STDERR");
+
+ return $result;
+}
+
+
+#
+# read_config(filename)
+#
+# Read configuration file FILENAME and return a reference to a hash containing
+# all valid key=value pairs found.
+#
+
+sub read_config($)
+{
+ my $filename = $_[0];
+ my %result;
+ my $key;
+ my $value;
+ local *HANDLE;
+
+ if (!open(HANDLE, "<$filename"))
+ {
+ warn("WARNING: cannot read configuration file $filename\n");
+ return undef;
+ }
+ while (<HANDLE>)
+ {
+ chomp;
+ # Skip comments
+ s/#.*//;
+ # Remove leading blanks
+ s/^\s+//;
+ # Remove trailing blanks
+ s/\s+$//;
+ next unless length;
+ ($key, $value) = split(/\s*=\s*/, $_, 2);
+ if (defined($key) && defined($value))
+ {
+ $result{$key} = $value;
+ }
+ else
+ {
+ warn("WARNING: malformed statement in line $. ".
+ "of configuration file $filename\n");
+ }
+ }
+ close(HANDLE);
+ return \%result;
+}
+
+
+#
+# apply_config(REF)
+#
+# REF is a reference to a hash containing the following mapping:
+#
+# key_string => var_ref
+#
+# where KEY_STRING is a keyword and VAR_REF is a reference to an associated
+# variable. If the global configuration hash CONFIG contains a value for
+# keyword KEY_STRING, VAR_REF will be assigned the value for that keyword.
+#
+
+sub apply_config($)
+{
+ my $ref = $_[0];
+
+ foreach (keys(%{$ref}))
+ {
+ if (defined($config->{$_}))
+ {
+ ${$ref->{$_}} = $config->{$_};
+ }
+ }
+}
+
+
+#
+# get_html_prolog(FILENAME)
+#
+# If FILENAME is defined, return contents of file. Otherwise return default
+# HTML prolog. Die on error.
+#
+
+sub get_html_prolog($)
+{
+ my $filename = $_[0];
+ my $result = "";
+
+ if (defined($filename))
+ {
+ local *HANDLE;
+
+ open(HANDLE, "<".$filename)
+ or die("ERROR: cannot open html prolog $filename!\n");
+ while (<HANDLE>)
+ {
+ $result .= $_;
+ }
+ close(HANDLE);
+ }
+ else
+ {
+ $result = <<END_OF_HTML
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+
+<html lang="en">
+
+<head>
+ <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+ <title>\@pagetitle\@</title>
+ <link rel="stylesheet" type="text/css" href="\@basedir\@gcov.css">
+</head>
+
+<body>
+
+END_OF_HTML
+ ;
+ }
+
+ return $result;
+}
+
+
+#
+# get_html_epilog(FILENAME)
+#
+# If FILENAME is defined, return contents of file. Otherwise return default
+# HTML epilog. Die on error.
+#
+sub get_html_epilog($)
+{
+ my $filename = $_[0];
+ my $result = "";
+
+ if (defined($filename))
+ {
+ local *HANDLE;
+
+ open(HANDLE, "<".$filename)
+ or die("ERROR: cannot open html epilog $filename!\n");
+ while (<HANDLE>)
+ {
+ $result .= $_;
+ }
+ close(HANDLE);
+ }
+ else
+ {
+ $result = <<END_OF_HTML
+
+</body>
+</html>
+END_OF_HTML
+ ;
+ }
+
+ return $result;
+
+}
+
+sub warn_handler($)
+{
+ my ($msg) = @_;
+
+ warn("$tool_name: $msg");
+}
+
+sub die_handler($)
+{
+ my ($msg) = @_;
+
+ die("$tool_name: $msg");
+}