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* mklog: Avoid adding falsely changed functions to ChangeLog. 

From-SVN: r206875
This commit is contained in:
Tatiana Udalova 2014-01-21 16:07:22 +06:00 committed by Tatiana Udalova
parent 8d81fb4ea2
commit e8b37cb6d5
2 changed files with 46 additions and 4 deletions
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4
contrib/ChangeLog
View File

@ -1,3 +1,7 @@
2014-01-21 Tatiana Udalova <t.udalova@samsung.com>
* mklog: Avoid adding falsely changed functions to ChangeLog.
2013-12-31 Chung-Lin Tang <cltang@codesourcery.com>
* config-list.mk: Add nios2-elf, nios2-linux-gnu. Corrected

46
contrib/mklog
View File

@ -80,6 +80,20 @@ sub remove_suffixes ($) {
return $filename;
}
# Check if line can be a function declaration:
# First pattern cut extra symbols added by diff
# second pattern checks that line is not a comment or brace
sub is_function {
my ($function, $is_context_diff) = (@_);
if ($is_context_diff) {
$function =~ s/^..//;
} else {
$function =~ s/^.//;
}
return $function
&& ($function !~ /^[\s{}]/);
}
# For every file in the .diff print all the function names in ChangeLog
# format.
%cl_entries = ();
@ -87,7 +101,10 @@ $change_msg = undef;
$look_for_funs = 0;
$clname = get_clname('');
open (DFILE, $diff) or die "Could not open file $diff for reading";
while (<DFILE>) {
chomp (my @diff_lines = <DFILE>);
close (DFILE);
$line_idx = 0;
foreach (@diff_lines) {
# Stop processing functions if we found a new file
# Remember both left and right names because one may be /dev/null.
if (/^[+*][+*][+*] +(\S+)/) {
@ -150,6 +167,17 @@ while (<DFILE>) {
$look_for_funs = 0;
}
# Mark if we met doubtfully changed function.
$doubtfunc = 0;
$is_context_diff = 0;
if ($diff_lines[$line_idx] =~ /^@@ .* @@ ([a-zA-Z0-9_].*)/) {
$doubtfunc = 1;
}
elsif ($diff_lines[$line_idx] =~ /^\*\*\*\*\*\** ([a-zA-Z0-9_].*)/) {
$doubtfunc = 1;
$is_context_diff = 1;
}
# If we find a new function, print it in brackets. Special case if
# this is the first function in a file.
#
@ -187,7 +215,18 @@ while (<DFILE>) {
1 while ($fn =~ s/<[^<>]*>//);
$fn =~ s/[ \t]*$//;
}
if ($fn && $seen_names{$fn} == 0) {
# Check is function really modified
$no_real_change = 0;
if ($doubtfunc) {
$idx = $line_idx;
# Check all lines till the first change
# for the presence of really changed function
do {
++$idx;
$no_real_change = is_function ($diff_lines[$idx], $is_context_diff);
} while (!$no_real_change && ($diff_lines[$idx] !~ /^[\+\-\!]/))
}
if ($fn && !$seen_names{$fn} && !$no_real_change) {
# If this is the first function in the file, we display it next
# to the filename, so we need an extra space before the opening
# brace.
@ -201,10 +240,9 @@ while (<DFILE>) {
$seen_names{$fn} = 1;
}
}
$line_idx++;
}
close (DFILE);
# If we have not seen any function names (ie, $change_msg is empty), we just
# write out a ':'. This happens when there is only one file with no
# functions.