diff options
| author | Rob Taylor <rob.taylor@codethink.co.uk> | 2009-04-09 11:07:28 +0100 |
|---|---|---|
| committer | Rob Taylor <rob.taylor@codethink.co.uk> | 2009-04-09 11:08:58 +0100 |
| commit | fe4167f2d181e1ecbcead5daac20b3920fce6187 (patch) | |
| tree | e10b40984c7ec78d8283e9e7ce683a2314609a9e /tools | |
| parent | eb6f074d591c47ae7a7a9f26df447d5e976a23c5 (diff) | |
Revert "Don't need --ignore-errors or customized genhtml for lcov now."
This reverts commit eb6f074d591c47ae7a7a9f26df447d5e976a23c5.
I had accidentlly commited work in progress with the desired changes.
Reverting and committing seperately.
Diffstat (limited to 'tools')
| -rwxr-xr-x | tools/genhtml | 3835 | ||||
| -rw-r--r-- | tools/lcov.am | 8 |
2 files changed, 3840 insertions, 3 deletions
diff --git a/tools/genhtml b/tools/genhtml new file mode 100755 index 00000000..5b088584 --- /dev/null +++ b/tools/genhtml @@ -0,0 +1,3835 @@ +#!/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 +# + +use strict; +use File::Basename; +use Getopt::Long; +use Digest::MD5 qw(md5_base64); + + +# Global constants +our $title = "LTP GCOV extension - code coverage report"; +our $lcov_version = "LTP GCOV extension version 1.6"; +our $lcov_url = "http://ltp.sourceforge.net/coverage/lcov.php"; + +# 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 +our $hi_limit = 50; +our $med_limit = 15; + +# 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; + +our $overview_title = "directory"; + +# Data related prototypes +sub print_usage(*); +sub gen_html(); +sub process_dir($); +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 classify_coverage_rate($); +sub get_png_for_coverage_rate($); +sub coverage_rate_helper($); + +sub write_png_files(); +sub write_css_file(); +sub write_description_file($$$); + +sub write_html(*$); +sub write_html_prolog(*$$); +sub write_html_epilog(*$;$); + +sub write_header(*$$$$$); +sub write_header_prolog(*$); +sub write_header_line(*$$;$$); +sub write_header_epilog(*$); +sub write_header_legend(*$); + +sub write_file_table(*$$$$); +sub write_file_table_prolog(*$$); +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 $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 $cwd = `pwd`; # Current working directory +chomp($cwd); +our $tool_dir = dirname($0); # Directory where genhtml tool is installed + + +# +# Code entry point +# + +# 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, + "genthml_html_extension" => \$html_ext + }); +} + +# 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 + )) +{ + print_usage(*STDERR); + exit(1); +} + +@info_filenames = @ARGV; + +# Check for help option +if ($help) +{ + print_usage(*STDOUT); + exit(0); +} + +# Check for version option +if ($version) +{ + print($lcov_version."\n"); + exit(0); +} + +# Check for info filename +if (!@info_filenames) +{ + print(STDERR "No filename specified\n"); + print_usage(*STDERR); + exit(1); +} + +# Generate a title if none is specified +if (!$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"); + $dir_prefix = undef; +} + +if ($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]; + my $executable_name = basename($0); + + print(HANDLE <<END_OF_USAGE); +Usage: $executable_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 + +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 + +See $lcov_url for more information about this tool. +END_OF_USAGE + ; +} + + +# +# 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 $overall_found = 0; + my $overall_hit = 0; + my $dir_name; + my $link_name; + my @dir_list; + my %new_info; + + # Read in all specified .info files + foreach (@info_filenames) + { + info("Reading data file $_\n"); + %new_info = %{read_info_file($_)}; + + # 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(); + + info("Generating output.\n"); + + # Process each subdirectory and collect overview information + foreach $dir_name (@dir_list) + { + ($lines_found, $lines_hit) = process_dir($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,$link_name"; + $overall_found += $lines_found; + $overall_hit += $lines_hit; + } + + # Generate overview page + info("Writing directory view page.\n"); + open(*HTML_HANDLE, ">index.$html_ext") + or die("ERROR: cannot open index.$html_ext for writing!\n"); + write_html_prolog(*HTML_HANDLE, "", "LCOV - $test_title"); + write_header(*HTML_HANDLE, 0, "", "", $overall_found, $overall_hit); + write_file_table(*HTML_HANDLE, "", \%overview, {}, 0); + write_html_epilog(*HTML_HANDLE, ""); + close(*HTML_HANDLE); + + # 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, $overall_hit); + } + + if ($overall_found == 0) + { + info("Warning: No lines found!\n"); + } + else + { + info("Overall coverage rate: %d of %d lines (%.1f%%)\n", + $overall_hit, $overall_found, + $overall_hit*100/$overall_found); + } + + chdir($cwd); +} + + +# +# process_dir(dir_name) +# + +sub process_dir($) +{ + 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 $overall_found=0; + my $overall_hit=0; + my $base_name; + my $extension; + my $testdata; + my %testhash; + local *HTML_HANDLE; + + # Remove prefix if applicable + if (!$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\/[^\/]*$/,keys(%info_data))) + { + ($lines_found, $lines_hit, $testdata) = + process_file($trunc_dir, $rel_dir, $filename); + + $base_name = basename($filename); + + if ($no_sourceview) + { + # User asked as not to create source code view, do not + # provide a page link + $overview{$base_name} = + "$lines_found,$lines_hit"; + } + elsif ($frames) + { + # Link to frameset page + $overview{$base_name} = + "$lines_found,$lines_hit,". + "$base_name.gcov.frameset.$html_ext"; + } + else + { + # Link directory to source code view page + $overview{$base_name} = + "$lines_found,$lines_hit,". + "$base_name.gcov.$html_ext"; + } + + $testhash{$base_name} = $testdata; + + $overall_found += $lines_found; + $overall_hit += $lines_hit; + } + + # Generate directory overview page (without details) + open(*HTML_HANDLE, ">$rel_dir/index.$html_ext") + or die("ERROR: cannot open $rel_dir/index.$html_ext ". + "for writing!\n"); + write_html_prolog(*HTML_HANDLE, $base_dir, + "LCOV - $test_title - $trunc_dir"); + write_header(*HTML_HANDLE, 1, $trunc_dir, $rel_dir, $overall_found, + $overall_hit); + write_file_table(*HTML_HANDLE, $base_dir, \%overview, {}, 1); + write_html_epilog(*HTML_HANDLE, $base_dir); + close(*HTML_HANDLE); + + if ($show_details) + { + # Generate directory overview page including details + open(*HTML_HANDLE, ">$rel_dir/index-detail.$html_ext") + or die("ERROR: cannot open $rel_dir/". + "index-detail.$html_ext for writing!\n"); + write_html_prolog(*HTML_HANDLE, $base_dir, + "LCOV - $test_title - $trunc_dir"); + write_header(*HTML_HANDLE, 1, $trunc_dir, $rel_dir, + $overall_found, + $overall_hit); + write_file_table(*HTML_HANDLE, $base_dir, \%overview, + \%testhash, 1); + write_html_epilog(*HTML_HANDLE, $base_dir); + close(*HTML_HANDLE); + } + + # Calculate resulting line counts + return ($overall_found, $overall_hit); +} + + +# +# get_converted_lines(testdata) +# +# Return hash of line numbers of those lines which were only covered in +# converted data sets. +# + +sub get_converted_lines($) +{ + 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; +} + + +# +# 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 $lines_found; + my $lines_hit; + my $converted; + my @source; + my $pagetitle; + local *HTML_HANDLE; + + ($testdata, $sumcount, $funcdata, $checkdata, $lines_found, + $lines_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, $testdata); + } + + $converted = get_converted_lines($testdata); + # Generate source code view for this file + open(*HTML_HANDLE, ">$rel_dir/$base_name.gcov.$html_ext") + or die("ERROR: cannot open $rel_dir/$base_name.gcov.$html_ext ". + "for writing!\n"); + $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); + @source = write_source(*HTML_HANDLE, $filename, $sumcount, $checkdata, + $converted); + + write_html_epilog(*HTML_HANDLE, $base_dir, 1); + close(*HTML_HANDLE); + + # Additional files are needed in case of frame output + if (!$frames) + { + return ($lines_found, $lines_hit, $testdata); + } + + # Create overview png file + gen_png("$rel_dir/$base_name.gcov.png", $overview_width, $tab_size, + @source); + + # Create frameset page + open(*HTML_HANDLE, ">$rel_dir/$base_name.gcov.frameset.$html_ext") + or die("ERROR: cannot open ". + "$rel_dir/$base_name.gcov.frameset.$html_ext". + " for writing!\n"); + write_frameset(*HTML_HANDLE, $base_dir, $base_name, $pagetitle); + close(*HTML_HANDLE); + + # Write overview frame + open(*HTML_HANDLE, ">$rel_dir/$base_name.gcov.overview.$html_ext") + or die("ERROR: cannot open ". + "$rel_dir/$base_name.gcov.overview.$html_ext". + " for writing!\n"); + write_overview(*HTML_HANDLE, $base_dir, $base_name, $pagetitle, + scalar(@source)); + close(*HTML_HANDLE); + + return ($lines_found, $lines_hit, $testdata); +} + + +# +# 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 +# +# %testdata: name of test affecting this file -> \%testcount +# +# %testcount: line number -> execution count for a single test +# %sumcount : line number -> execution count for all tests +# %funcdata : line number -> name of function beginning at that line +# %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 $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 $checksum; # Checksum of current line + local *INFO_HANDLE; # Filehandle for .info file + + # 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 uncompress ". + "file $_[0]!\n"); + } + else + { + # Open uncompressed 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) = + get_info_entry($data); + + if (defined($testname)) + { + $testcount = $testdata->{$testname}; + } + else + { + my %new_hash; + $testcount = \%new_hash; + } + 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)) + { + $checksum = substr($3, 1); + + # Does it match a previous definition + if (defined($checkdata->{$1}) && + ($checkdata->{$1} ne $checksum)) + { + die("ERROR: checksum mismatch ". + "at $filename:$1\n"); + } + + $checkdata->{$1} = $checksum; + } + last; + }; + + /^FN:(\d+),([^,]+)/ && do + { + # Function data found, add to structure + $funcdata->{$1} = $2; + last; + }; + + /^end_of_record/ && do + { + # Found end of section marker + if ($filename) + { + # Store current section data + if (defined($testname)) + { + $testdata->{$testname} = + $testcount; + } + set_info_entry($data, $testdata, + $sumcount, $funcdata, + $checkdata); + $result{$filename} = $data; + } + + }; + + # default + last; + } + } + close(INFO_HANDLE); + + # Calculate lines_found and lines_hit for each file + foreach $filename (keys(%result)) + { + $data = $result{$filename}; + + ($testdata, $sumcount, $funcdata) = get_info_entry($data); + + $data->{"found"} = scalar(keys(%{$sumcount})); + $hitcount = 0; + + foreach (keys(%{$sumcount})) + { + if ($sumcount->{$_} > 0) { $hitcount++; } + } + + $data->{"hit"} = $hitcount; + + $result{$filename} = $data; + } + + 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, lines found, lines 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 $lines_found = $_[0]->{"found"}; + my $lines_hit = $_[0]->{"hit"}; + + return ($testdata_ref, $sumcount_ref, $funcdata_ref, $checkdata_ref, + $lines_found, $lines_hit); +} + + +# +# set_info_entry(hash_ref, testdata_ref, sumcount_ref, funcdata_ref, +# checkdata_ref[,lines_found, lines_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"} = $_[4]; + + if (defined($_[5])) { $data_ref->{"found"} = $_[5]; } + if (defined($_[6])) { $data_ref->{"hit"} = $_[6]; } +} + + +# +# 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/&/&/g; # & -> & + $string =~ s/</</g; # < -> < + $string =~ s/>/>/g; # > -> > + $string =~ s/\"/"/g; # " -> " + + while ($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) +# +# 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 $test_name; + local *HTML_HANDLE; + + open(HTML_HANDLE, ">descriptions.$html_ext") + or die("ERROR: cannot open descriptions.$html_ext for ". + "writing!\n"); + + write_html_prolog(*HTML_HANDLE, "", "LCOV - test case descriptions"); + write_header(*HTML_HANDLE, 3, "", "", $found, $hit); + + 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]; + + 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_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; + } + + + /* All views: header item value format */ + td.headerValue + { + text-align: left; + color: #284FA8; + font-family: sans-serif; + font-weight: bold; + } + + + /* All views: header legend item format */ + td.legendItem + { + text-align: right; + padding-right: 6px; + padding-top: 10px; + padding-bottom: 2px; + font-family: sans-serif; + font-weight: bold; + } + + + /* All views: header legend item value format */ + td.legendValue + { + text-align: left; + padding-top: 10px; + padding-bottom: 2px; + color: #000000; + font-family: sans-serif; + font-weight: bold; + } + + + /* 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; + } + + + /* 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; + } + + + /* Directory view/File view (all): legend entry for high coverage + rate */ + span.coverLegendHi + { + text-align: center; + padding-left: 10px; + padding-right: 10px; + 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; + } + + + /* Directory view/File view (all): legend entry for medium coverage + rate */ + span.coverLegendMed + { + text-align: center; + padding-left: 10px; + padding-right: 10px; + margin-top: 5px; + margin-bottom: 5px; + margin-right: 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; + } + + + /* Directory view/File view (all): legend entry for low coverage + rate */ + span.coverLegendLo + { + text-align: center; + padding-left: 10px; + padding-right: 10px; + margin-right: 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: 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 */ + span.lineCov + { + background-color: #CAD7FE; + } + + + /* Source code view: format for Cov legend */ + span.LegendCov + { + text-align: center; + padding-left: 10px; + padding-right: 10px; + margin-right: 2px; + background-color: #CAD7FE; + } + + + /* Source code view: format for lines which were not executed */ + span.lineNoCov + { + background-color: #FF6230; + } + + + /* Source code view: format for NoCov legend */ + span.LegendNoCov + { + text-align: center; + padding-left: 10px; + padding-right: 10px; + margin-right: 2px; + background-color: #FF6230; + } + + + /* 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 + $png_name = get_png_for_coverage_rate($rate); + + 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($graph_code); +} + + +# +# classify_coverage_rate(coverage_rate) +# +# Return the clasification ("Lo"|"Med"|"Hi") of a given coverage rate +# +sub classify_coverage_rate($) +{ + my @pair = coverage_rate_helper($_[0]); + return $pair[0]; +} + +# +# get_png_for_coverage_rate(coverage_rate) +# +# Return the name of the png corresponding to the given coverage rate +# +sub get_png_for_coverage_rate($) +{ + my @pair = coverage_rate_helper($_[0]); + return $pair[1]; +} + +# +# coverage_rate_helper(coverage_rate) +# +# Does the work for "classify_coverage_rate" and "get_png_for_coverage_rate". +# +sub coverage_rate_helper($) +{ + my $rate = $_[0]; + if ($rate < $med_limit) { return(("Lo","ruby.png")); } + elsif ($rate < $hi_limit) { return(("Med","amber.png")); } + else { return(("Hi","emerald.png")); } +} + +# +# write_html(filehandle, html_code) +# +# Write out HTML_CODE to FILEHANDLE while removing a leading tabulator mark +# in each line of HTML_CODE. +# + +sub write_html(*$) +{ + 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(*$$) +{ + my $basedir = $_[1]; + my $pagetitle = $_[2]; + my $prolog; + + $prolog = $html_prolog; + $prolog =~ s/\@pagetitle\@/$pagetitle/g; + $prolog =~ s/\@basedir\@/$basedir/g; + + write_html($_[0], $prolog); +} + + +# +# write_header_prolog(filehandle, base_dir) +# +# Write beginning of page header HTML code. +# + +sub write_header_prolog(*$) +{ + # ************************************************************* + + write_html($_[0], <<END_OF_HTML) + <table width="100%" border=0 cellspacing=0 cellpadding=0> + <tr><td class="title">$title</td></tr> + <tr><td class="ruler"><img src="$_[1]glass.png" width=3 height=3 alt=""></td></tr> + + <tr> + <td width="100%"> + <table cellpadding=1 border=0 width="100%"> +END_OF_HTML + ; + + # ************************************************************* +} + + +# +# write_header_line(filehandle, item1, value1, [item2, value2]) +# +# Write a header line, containing of either one or two pairs "header item" +# and "header value". +# + +sub write_header_line(*$$;$$) +{ + my $item1 = $_[1]; + my $value1 = $_[2]; + + # Use GOTO to prevent indenting HTML with more than one tabs + if (scalar(@_) > 3) { goto two_items } + + # ************************************************************* + + write_html($_[0], <<END_OF_HTML) + <tr> + <td class="headerItem" width="20%">$item1:</td> + <td class="headerValue" width="80%" colspan=4>$value1</td> + </tr> +END_OF_HTML + ; + + return(); + + # ************************************************************* + + +two_items: + my $item2 = $_[3]; + my $value2 = $_[4]; + + + # ************************************************************* + + write_html($_[0], <<END_OF_HTML) + <tr> + <td class="headerItem" width="20%">$item1:</td> + <td class="headerValue" width="20%">$value1</td> + <td width="20%"></td> + <td class="headerItem" width="20%">$item2:</td> + <td class="headerValue" width="20%">$value2</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) + </table> + </td> + </tr> + <tr><td class="ruler"><img src="$_[1]glass.png" width=3 height=3 alt=""></td></tr> + </table> + +END_OF_HTML + ; + + # ************************************************************* +} + + +# +# write_header_legend(filehandle, type) +# +# Write a legend describing the coloring of the code coverage. +# + +sub write_header_legend(*$) +{ + my $type = $_[1]; # type of page being generated + my $legend_body; + + # main summary or subdirectory summary + if ($type == 0 or $type == 1) + { + $legend_body = (<<END_OF_HTML) + <span class="coverLegendLo"> + <b>Low:</b> 0% to $med_limit% + </span> + <span class="coverLegendMed"> + <b>Medium:</b> $med_limit% to $hi_limit% + </span> + <span class="coverLegendHi"> + <b>High:</b> $hi_limit% to 100% + </span> +END_OF_HTML + ; + } + + # source code + elsif ($type == 2) + { + my $legend_highlight; + + $legend_highlight = ""; + if ($highlight) + { + $legend_highlight = (<<END_OF_HTML) + <span class="legendDiffCov"> + converted-only + </span> +END_OF_HTML + ; + } + $legend_body = (<<END_OF_HTML) + <span class="legendNoCov"> + not executed + </span> + <span class="legendCov"> + executed + </span> +$legend_highlight +END_OF_HTML + ; + } + + # description file ($type == 3) + else { return(); } + + + # ************************************************************* + + write_html($_[0], <<END_OF_HTML) + <tr> + <td class="legendItem" width="20%">Legend:</td> + <td class="legendValue" width="80%" colspan=4> +$legend_body + </td> + </tr> +END_OF_HTML + ; + return(); + + # ************************************************************* +} + + +# +# write_file_table_prolog(filehandle, left_heading, right_heading) +# +# Write heading for file table. +# + +sub write_file_table_prolog(*$$) +{ + # ************************************************************* + + write_html($_[0], <<END_OF_HTML) + <center> + <table width="80%" cellpadding=2 cellspacing=1 border=0> + + <tr> + <td width="50%"><br></td> + <td width="15%"></td> + <td width="15%"></td> + <td width="20%"></td> + </tr> + + <tr> + <td class="tableHead">$_[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) +# +# Write an entry of the file table. +# + +sub write_file_table_entry(*$$$$) +{ + my $rate; + my $rate_string; + my $classification = "Lo"; + + if ($_[3]>0) + { + $rate = $_[4] * 100 / $_[3]; + $rate_string = sprintf("%.1f", $rate)." %"; + + $classification = classify_coverage_rate($rate); + } + else + { + $rate_string = "undefined"; + } + + # ************************************************************* + + write_html($_[0], <<END_OF_HTML) + <tr> + <td class="coverFile">$_[1]</td> + <td class="coverBar" align="center"> + $_[2] + </td> + <td class="coverPer$classification">$rate_string</td> + <td class="coverNum$classification">$_[4] / $_[3] lines</td> + </tr> + +END_OF_HTML + ; + + # ************************************************************* +} + + +# +# write_file_table_detail_heading(filehandle, left_heading, right_heading) +# +# Write heading for detail section in file table. +# + +sub write_file_table_detail_heading(*$$) +{ + # ************************************************************* + + write_html($_[0], <<END_OF_HTML) + <tr> + <td class="testNameHead" colspan=2>$_[1]</td> + <td class="testLinesHead" colspan=2>$_[2]</td> + </tr> + +END_OF_HTML + ; + + # ************************************************************* +} + + +# +# write_file_table_detail_entry(filehandle, test_name, cover_found, cover_hit) +# +# Write entry for detail section in file table. +# + +sub write_file_table_detail_entry(*$$$) +{ + my $rate; + my $name = $_[1]; + + if ($_[2]>0) + { + $rate = sprintf("%.1f", $_[3]*100/$_[2])." %"; + } + else + { + $rate = "undefined"; + } + + if ($name =~ /^(.*),diff$/) + { + $name = $1." (converted)"; + } + + if ($name eq "") + { + $name = "<span style=\"font-style:italic\"><unnamed></span>"; + } + + # ************************************************************* + + write_html($_[0], <<END_OF_HTML) + <tr> + <td class="testName" colspan=2>$name</td> + <td class="testPer">$rate</td> + <td class="testNum">$_[3] / $_[2] lines</td> + </tr> + +END_OF_HTML + ; + + # ************************************************************* +} + + +# +# write_file_table_epilog(filehandle) +# +# Write end of file table HTML code. +# + +sub write_file_table_epilog(*) +{ + # ************************************************************* + + write_html($_[0], <<END_OF_HTML) + </table> + </center> + <br> + +END_OF_HTML + ; + + # ************************************************************* +} + + +# +# write_test_table_prolog(filehandle, table_heading) +# +# Write heading for test case description table. +# + +sub write_test_table_prolog(*$) +{ + # ************************************************************* + + write_html($_[0], <<END_OF_HTML) + <center> + <table width="80%" cellpadding=2 cellspacing=1 border=0> + + <tr> + <td><br></td> + </tr> + + <tr> + <td class="tableHead">$_[1]</td> + </tr> + + <tr> + <td class="testDescription"> + <dl> +END_OF_HTML + ; + + # ************************************************************* +} + + +# +# write_test_table_entry(filehandle, test_name, test_description) +# +# Write entry for the test table. +# + +sub write_test_table_entry(*$$) +{ + # ************************************************************* + + write_html($_[0], <<END_OF_HTML) + <dt>$_[1]<a name="$_[1]"> </a></dt> + <dd>$_[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) +# +# 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 ($frames && (($_[1] - 1) % $nav_resolution == 0)) + { + $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(*$$$) +{ + my $y1 = $_[2] - 1; + my $y2 = $y1 + $nav_resolution - 1; + my $x2 = $overview_width - 1; + + # ************************************************************* + + write_html($_[0], <<END_OF_HTML) + <area shape="rect" coords="0,$y1,$x2,$y2" href="$_[1].gcov.$html_ext#$_[3]" target="source" alt="overview"> +END_OF_HTML + ; + + # ************************************************************* +} + + +# +# write_overview(filehandle, basedir, basename, pagetitle, lines) +# +# + +sub write_overview(*$$$$) +{ + my $index; + my $max_line = $_[4] - 1; + my $offset; + + # ************************************************************* + + write_html($_[0], <<END_OF_HTML) + <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> + + <html lang="en"> + + <head> + <title>$_[3]</title> + <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> + <link rel="stylesheet" type="text/css" href="$_[1]gcov.css"> + </head> + + <body> + <map name="overview"> +END_OF_HTML + ; + + # ************************************************************* + + # Make $offset the next higher multiple of $nav_resolution + $offset = ($nav_offset + $nav_resolution - 1) / $nav_resolution; + $offset = sprintf("%d", $offset ) * $nav_resolution; + + # Create image map for overview image + for ($index = 1; $index <= $_[4]; $index += $nav_resolution) + { + # Enforce nav_offset + if ($index < $offset + 1) + { + write_overview_line($_[0], $_[2], $index, 1); + } + else + { + write_overview_line($_[0], $_[2], $index, $index - $offset); + } + } + + # ************************************************************* + + write_html($_[0], <<END_OF_HTML) + </map> + + <center> + <a href="$_[2].gcov.$html_ext#top" target="source">Top</a><br><br> + <img src="$_[2].gcov.png" width=$overview_width height=$max_line alt="Overview" border=0 usemap="#overview"> + </center> + </body> + </html> +END_OF_HTML + ; + + # ************************************************************* +} + + +# +# write_header(filehandle, type, trunc_file_name, rel_file_name, lines_found, +# lines_hit) +# +# Write a complete standard page header. TYPE may be (0, 1, 2, 3) +# corresponding to (directory view header, file view header, source view +# header, test case description header) +# + +sub write_header(*$$$$$) +{ + local *HTML_HANDLE = $_[0]; + my $type = $_[1]; + my $trunc_name = $_[2]; + my $rel_filename = $_[3]; + my $lines_found = $_[4]; + my $lines_hit = $_[5]; + my $base_dir; + my $view; + my $test; + my $rate; + my $base_name; + + # Calculate coverage rate + if ($lines_found>0) + { + $rate = sprintf("%.1f", $lines_hit * 100 / $lines_found)." %"; + } + else + { + $rate = "-"; + } + + $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) + { + # 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"; + } + } + 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)) + { + # Need to break frameset when clicking this link + $test .= " ( <a href=\"$base_dir". + "descriptions.$html_ext\" target=\"_parent\">". + "view test case descriptions</a> )"; + } + else + { + $test .= " ( <a href=\"$base_dir". + "descriptions.$html_ext\">". + "view test case descriptions</a> )"; + } + } + + # Write header + write_header_prolog(*HTML_HANDLE, $base_dir); + write_header_line(*HTML_HANDLE, "Current view", $view); + write_header_line(*HTML_HANDLE, "Test", $test); + write_header_line(*HTML_HANDLE, "Date", $date, + "Instrumented lines", $lines_found); + write_header_line(*HTML_HANDLE, "Code covered", $rate, + "Executed lines", $lines_hit); + if ($legend) + { + write_header_legend(*HTML_HANDLE, $type); + } + 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); +} + + +# +# write_file_table(filehandle, base_dir, overview, testhash, fileview) +# +# Write a complete file table. OVERVIEW is a reference to a hash containing +# the following mapping: +# +# filename -> "lines_found,lines_hit,page_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 $fileview = $_[4]; + my $filename; + my $bar_graph; + my $hit; + my $found; + my $page_link; + my $testname; + my $testdata; + my $testcount; + my %affecting_tests; + my $coverage_heading = "Coverage"; + + # Provide a link to details/non-detail list if this is directory + # overview and we are supposed to create a detail view + if (($base_dir ne "") && $show_details) + { + if (%testhash) + { + # This is the detail list, provide link to standard + # list + $coverage_heading .= " ( <a class=\"detail\" href=\"". + "index.$html_ext\">hide ". + "details</a> )"; + } + else + { + # This is the standard list, provide link to detail + # list + $coverage_heading .= " ( <a class=\"detail\" href=\"". + "index-detail.$html_ext\">show ". + "details</a> )"; + } + } + + write_file_table_prolog(*HTML_HANDLE, + $fileview ? "Filename" : "Directory name", + $coverage_heading); + + foreach $filename (sort(keys(%overview))) + { + ($found, $hit, $page_link) = split(",", $overview{$filename}); + $bar_graph = get_bar_graph_code($base_dir, $found, $hit); + + $testdata = $testhash{$filename}; + + # Add anchor tag in case a page link is provided + if ($page_link) + { + $filename = "<a href=\"$page_link\">$filename</a>"; + } + + write_file_table_entry(*HTML_HANDLE, $filename, $bar_graph, + $found, $hit); + + # 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) }; + + # 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"); + + foreach $testname (keys(%affecting_tests)) + { + ($found, $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); + } + } + + 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_affecting_tests(hashref) +# +# 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 %hash = %{$_[0]}; + my $testname; + my $testcount; + my %result; + my $found; + my $hit; + + foreach $testname (keys(%hash)) + { + # Get (line number -> count) hash for this test case + $testcount = $hash{$testname}; + + # Calculate sum + ($found, $hit) = get_found_and_hit($testcount); + + if ($hit>0) + { + $result{$testname} = "$found,$hit"; + } + } + + return(\%result); +} + + +# +# write_source(filehandle, source_filename, count_data, checksum_data, +# converted_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($$$$$) +{ + local *HTML_HANDLE = $_[0]; + local *SOURCE_HANDLE; + my $source_filename = $_[1]; + my %count_data; + my $line_number; + my @result; + my $checkdata = $_[3]; + my $converted = $_[4]; + + if ($_[2]) + { + %count_data = %{$_[2]}; + } + + if (!-f $source_filename) { + write_source_prolog(*HTML_HANDLE); + push (@result, + write_source_line(HTML_HANDLE, 0, + "(missing file)", 0, 0)); + write_source_epilog(*HTML_HANDLE); + return (@result); + } + + open(SOURCE_HANDLE, "<".$source_filename) + or die("ERROR: cannot open $source_filename for reading!\n"); + + write_source_prolog(*HTML_HANDLE); + + for ($line_number = 1; <SOURCE_HANDLE> ; $line_number++) + { + chomp($_); + + # Source code matches coverage data? + if (defined($checkdata->{$line_number}) && + ($checkdata->{$line_number} ne md5_base64($_))) + { + die("ERROR: checksum mismatch at $source_filename:". + "$line_number\n"); + } + + push (@result, + write_source_line(HTML_HANDLE, $line_number, + $_, $count_data{$line_number}, + $converted->{$line_number})); + } + + close(SOURCE_HANDLE); + write_source_epilog(*HTML_HANDLE); + return(@result); +} + + +# +# info(printf_parameter) +# +# Use printf to write PRINTF_PARAMETER to stdout only when the $quiet flag +# is not set. +# + +sub info(@) +{ + if (!$quiet) + { + # Print info string + printf(@_); + } +} + + +# +# subtract_counts(data_ref, base_ref) +# + +sub subtract_counts($$) +{ + 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); +} + + +# +# 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($$) +{ + my %data1 = %{$_[0]}; # Hash 1 + my %data2 = %{$_[1]}; # Hash 2 + my %result; # Resulting hash + my $line; # Current line iteration scalar + my $data1_count; # Count of line in hash1 + my $data2_count; # Count of line in hash2 + my $found = 0; # Total number of lines found + my $hit = 0; # Number of lines with a count > 0 + + foreach $line (keys(%data1)) + { + $data1_count = $data1{$line}; + $data2_count = $data2{$line}; + + # Add counts if present in both hashes + if (defined($data2_count)) { $data1_count += $data2_count; } + + # Store sum in %result + $result{$line} = $data1_count; + + $found++; + if ($data1_count > 0) { $hit++; } + } + + # Add lines unique to data2 + foreach $line (keys(%data2)) + { + # Skip lines already in data1 + if (defined($data1{$line})) { next; } + + # Copy count from data2 + $result{$line} = $data2{$line}; + + $found++; + if ($result{$line} > 0) { $hit++; } + } + + return (\%result, $found, $hit); +} + + +# +# apply_baseline(data_ref, baseline_ref) +# +# Subtract the execution counts found in the baseline hash referenced by +# BASELINE_REF from actual data in DATA_REF. +# + +sub apply_baseline($$) +{ + 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_count; + my $base; + my $base_testdata; + my $base_checkdata; + my $base_count; + my $sumcount; + my $found; + my $hit; + + foreach $filename (keys(%data_hash)) + { + # Get data set for data and baseline + $data = $data_hash{$filename}; + $base = $base_hash{$filename}; + + # Get set entries for data and baseline + ($data_testdata, undef, $data_funcdata, $data_checkdata) = + get_info_entry($data); + ($base_testdata, $base_count, undef, $base_checkdata) = + get_info_entry($base); + + # Check for compatible checksums + merge_checksums($data_checkdata, $base_checkdata, $filename); + + # Sumcount has to be calculated anew + $sumcount = {}; + + # 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}; + + $hit = 0; + + ($data_count, undef, $hit) = + subtract_counts($data_count, $base_count); + + # Check whether this test case did hit any line at all + if ($hit > 0) + { + # Write back resulting hash + $data_testdata->{$testname} = $data_count; + } + else + { + # Delete test case which did not impact this + # file + delete($data_testdata->{$testname}); + } + + # Add counts to sum of counts + ($sumcount, $found, $hit) = + add_counts($sumcount, $data_count); + } + + # Write back resulting entry + set_info_entry($data, $data_testdata, $sumcount, + $data_funcdata, $data_checkdata, $found, $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"); + } +} + + +# +# 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($$$) +{ + my $ref1 = $_[0]; + my $ref2 = $_[1]; + my $filename = $_[2]; + my %result; + my $line; + + foreach $line (keys(%{$ref1})) + { + if (defined($ref2->{$line}) && + ($ref1->{$line} ne $ref2->{$line})) + { + die("ERROR: checksum mismatch at $filename:$line\n"); + } + $result{$line} = $ref1->{$line}; + } + + foreach $line (keys(%{$ref2})) + { + $result{$line} = $ref2->{$line}; + } + + return \%result; +} + + +# +# combine_info_entries(entry_ref1, entry_ref2, filename) +# +# Combine .info data entry hashes referenced by ENTRY_REF1 and ENTRY_REF2. +# Return reference to resulting hash. +# + +sub combine_info_entries($$$) +{ + my $entry1 = $_[0]; # Reference to hash containing first entry + my $testdata1; + my $sumcount1; + my $funcdata1; + my $checkdata1; + + my $entry2 = $_[1]; # Reference to hash containing second entry + my $testdata2; + my $sumcount2; + my $funcdata2; + my $checkdata2; + + my %result; # Hash containing combined entry + my %result_testdata; + my $result_sumcount = {}; + my %result_funcdata; + my $lines_found; + my $lines_hit; + + my $testname; + my $filename = $_[2]; + + # Retrieve data + ($testdata1, $sumcount1, $funcdata1, $checkdata1) = + get_info_entry($entry1); + ($testdata2, $sumcount2, $funcdata2, $checkdata2) = + get_info_entry($entry2); + + # Merge checksums + $checkdata1 = merge_checksums($checkdata1, $checkdata2, $filename); + + # Combine funcdata + foreach (keys(%{$funcdata1})) + { + $result_funcdata{$_} = $funcdata1->{$_}; + } + + foreach (keys(%{$funcdata2})) + { + $result_funcdata{$_} = $funcdata2->{$_}; + } + + # 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, $lines_found, + $lines_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($$) +{ + my %hash1 = %{$_[0]}; + my %hash2 = %{$_[1]}; + my $filename; + + foreach $filename (keys(%hash2)) + { + if ($hash1{$filename}) + { + # Entry already exists in hash1, combine them + $hash1{$filename} = + combine_info_entries($hash1{$filename}, + $hash2{$filename}, + $filename); + } + else + { + # Entry is unique in both hashes, simply add to + # resulting hash + $hash1{$filename} = $hash2{$filename}; + } + } + + return(\%hash1); +} + + +# +# apply_prefix(filename, prefix) +# +# If FILENAME begins with PREFIX, remove PREFIX from FILENAME and return +# resulting string, otherwise return FILENAME. +# + +sub apply_prefix($$) +{ + 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; + +} diff --git a/tools/lcov.am b/tools/lcov.am index 3bab1028..2280700e 100644 --- a/tools/lcov.am +++ b/tools/lcov.am @@ -3,13 +3,15 @@ lcov-reset: lcov-report: lcov --directory @top_srcdir@ --capture \ - --output-file @top_builddir@/lcov.info.tmp + --output-file @top_builddir@/lcov.info.tmp \ + --ignore-errors source lcov --directory @top_srcdir@ --output-file @top_builddir@/lcov.info \ - --remove @top_builddir@/lcov.info.tmp $(shell find @top_srcdir@ -name \*.vala | sed 's/.vala/.c/' | xargs -n1 basename) \*.vapi + --remove @top_builddir@/lcov.info.tmp $(shell find @top_srcdir@ -name \*.vala | sed 's/.vala/.c/' | xargs -n1 basename) \*.vapi \ + --ignore-errors source rm @top_builddir@/lcov.info.tmp $(mkdir_p) @top_builddir@/lcov.html git_commit=`GIT_DIR=@top_srcdir@/.git git log -1 --pretty=format:%h 2>/dev/null`;\ - genhtml --title "@PACKAGE_STRING@ $$git_commit" \ + $(top_srcdir)/tools/genhtml --title "@PACKAGE_STRING@ $$git_commit" \ --output-directory @top_builddir@/lcov.html lcov.info @echo @echo 'lcov report can be found in:' |