--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/summarise_gcc_errors.pl Fri Mar 26 16:25:15 2010 +0000
@@ -0,0 +1,226 @@
+#! perl
+
+# Copyright (c) 2010 Symbian Foundation Ltd
+# This component and the accompanying materials are made available
+# under the terms of the License "Eclipse Public License v1.0"
+# which accompanies this distribution, and is available
+# at the URL "http://www.eclipse.org/legal/epl-v10.html".
+#
+# Initial Contributors:
+# Symbian Foundation Ltd - initial contribution.
+#
+# Contributors:
+#
+# Description:
+# Perl script to summarise GCC logs
+
+use strict;
+use Getopt::Long;
+
+sub Usage($)
+ {
+ my ($msg) = @_;
+
+ print "$msg\n\n" if ($msg ne "");
+
+ print <<'EOF';
+summarise_gcc_errors.pl - simple script for analysing gcc error logs
+
+This script will read a collection of GCC output logs and summarise
+the error messages in various useful ways.
+
+Options:
+
+-warnings process warnings as well as errors
+-verbose list the files associated with each error
+
+EOF
+ exit (1);
+ }
+
+my $warnings = 0;
+my $verbose = 0;
+
+# Analyse the rest of command-line parameters
+if (!GetOptions(
+ "w|warnings" => \$warnings,
+ "v|verbose" => \$verbose,
+ ))
+ {
+ Usage("Invalid argument");
+ }
+
+my %files;
+my %errors_by_file;
+my %error_count_by_file;
+my %errors;
+my %message_ids;
+my %files_by_message_id;
+my %messages_by_id;
+my %unique_message_counts;
+my %all_message_counts;
+my $next_message_id = 1;
+
+my $line;
+while ($line = <>)
+ {
+ # M:/epoc32/include/elements/nm_interfaces.h:255: warning: dereferencing type-punned pointer will break strict-aliasing rules
+ # M:/epoc32/include/f32file.h:2169: warning: invalid access to non-static data member 'TVolFormatParam::iUId' of NULL object
+ # M:/epoc32/include/f32file.h:2169: warning: (perhaps the 'offsetof' macro was used incorrectly)
+ # M:/epoc32/include/comms-infras/ss_nodemessages.h:301: error: wrong number of template arguments (3, should be 4)
+ # M:/epoc32/include/elements/nm_signatures.h:496: error: provided for 'template<class TSIGNATURE, int PAYLOADATTRIBOFFSET, class TATTRIBUTECREATIONPOLICY, int PAYLOADBUFFERMAXLEN> class Messages::TSignatureWithPolymorphicPayloadMetaType'
+ # M:/epoc32/include/comms-infras/ss_nodemessages.h:301: error: invalid type in declaration before ';' token
+
+ if ($line =~ /(^...*):(\d+): ([^:]+): (.*)$/)
+ {
+ my $filename = $1;
+ my $lineno = $2;
+ my $messagetype = $3;
+ my $message = $4;
+
+ if ($messagetype eq "note")
+ {
+ next; # ignore notes
+ }
+ if ($messagetype eq "warning" && !$warnings)
+ {
+ next; # ignore warnings
+ }
+
+ $filename =~ s/^.://; # remove drive letter
+
+ $message =~ s/&/&/g;
+ $message =~ s/>/>/g;
+ $message =~ s/</</g;
+ $message =~ s/'/'/g;
+ my $generic_message = "$messagetype: $message";
+ $generic_message =~ s/'offsetof'/"offsetof"/;
+ $generic_message =~ s/'([^a-zA-Z])'/"\1"/g; # don't catch ';' in next substitution
+ $generic_message =~ s/['`][^']+'/XX/g; # suppress quoted bits of the actual instance
+
+ my $message_id = $next_message_id;
+ if (!defined $message_ids{$generic_message})
+ {
+ $next_message_id++;
+ $message_ids{$generic_message} = $message_id;
+ $messages_by_id{$message_id} = $generic_message;
+ $all_message_counts{$message_id} = 1;
+ }
+ else
+ {
+ $message_id = $message_ids{$generic_message};
+ $all_message_counts{$message_id} += 1;
+ }
+ my $instance = sprintf("%s:%d: %s-#%d", $filename, $lineno, $messagetype, $message_id);
+
+ if (defined $files{$instance})
+ {
+ # already seen this one
+ next;
+ }
+ else
+ {
+ if (!defined $unique_message_counts{$message_id})
+ {
+ $unique_message_counts{$message_id} = 1;
+ }
+ else
+ {
+ $unique_message_counts{$message_id} += 1;
+ }
+ $files{$instance} = $message;
+
+ if (!defined $files_by_message_id{$message_id})
+ {
+ $files_by_message_id{$message_id} = $filename;
+ }
+ else
+ {
+ $files_by_message_id{$message_id} .= "\n$filename";
+ }
+
+ my $error = sprintf "%-5d: %s: %s", $lineno, $messagetype, $message;
+ if (!defined $errors_by_file{$filename})
+ {
+ $errors_by_file{$filename} = $error;
+ $error_count_by_file{$filename} = 1;
+ }
+ else
+ {
+ $errors_by_file{$filename} .= "\n$error";
+ $error_count_by_file{$filename} += 1;
+ }
+ }
+ next;
+ }
+ }
+
+# clean up the file lists
+my %filecount_by_message_id;
+foreach my $id (keys %files_by_message_id)
+ {
+ my @longlist = split /\n/, $files_by_message_id{$id};
+ my %uniq;
+ foreach my $file (@longlist)
+ {
+ $uniq{$file} = 1;
+ }
+ my $uniqlist = join( "\n\t", sort keys %uniq);
+ $files_by_message_id{$id} = $uniqlist;
+ $filecount_by_message_id{$id} = scalar keys %uniq;
+ }
+
+print "\n\n====Occurrences of messages (distinct, all)\n";
+foreach my $id ( sort {$unique_message_counts{$b} <=> $unique_message_counts{$a}} keys %unique_message_counts)
+ {
+ printf "%-6d\t%-6d\t%s\n", $unique_message_counts{$id}, $all_message_counts{$id}, $messages_by_id{$id};
+ }
+
+print "\n\n====Files affected per message\n";
+foreach my $id ( sort {$filecount_by_message_id{$b} <=> $filecount_by_message_id{$a}} keys %filecount_by_message_id)
+ {
+ printf "%-6d\t%s\n", $filecount_by_message_id{$id}, $messages_by_id{$id};
+ if ($verbose)
+ {
+ print "\t", $files_by_message_id{$id};
+ }
+ }
+
+print "\n\n====Affected files by package\n";
+my $current_package = "";
+my @currentfiles;
+foreach my $file (sort keys %error_count_by_file)
+ {
+ my ($root, $sf, $layer, $packagename, @rest) = split /[\/\\]/, $file;
+ my $package = "$sf/$layer/$packagename";
+ if ($layer eq "include")
+ {
+ $package = "$sf/$layer";
+ }
+ if ($package ne $current_package)
+ {
+ if ($current_package ne "")
+ {
+ printf "%-6d\t%s\n", scalar @currentfiles, $current_package;
+ print join("\n",@currentfiles);
+ print "\n";
+ }
+ $current_package = $package;
+ @currentfiles = ();
+ }
+ my $filedetails = sprintf "\t%-6d\t%s", $error_count_by_file{$file}, $file;
+ push @currentfiles, $filedetails;
+ }
+printf "%-6d\t%s\n", scalar @currentfiles, $current_package;
+print join("\n",@currentfiles);
+print "\n";
+
+print "\n\n====Messages by file\n";
+foreach my $file ( sort keys %error_count_by_file)
+ {
+ my @details = split "\n", $errors_by_file{$file};
+ printf "%-6d\t%s\n\t", $error_count_by_file{$file}, $file;
+ print join("\n\t", @details);
+ print "\n";
+ }
+