Also add more debug options to find this issue. They were not listed in the help because the are not simple to understand the output of.
For an example: WARNING: braces {} are necessary even for single statement blocks + } else + return env->regs[R_EAX]; total: 0 errors, 1 warnings, 41 lines checked Signed-off-by: Don Slutz <d...@cloudswitch.com> --- scripts/checkpatch.pl | 72 ++++++++++++++++++++++++++++++++---------------- 1 files changed, 48 insertions(+), 24 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index b98dc6c..140a3a6 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -97,6 +97,9 @@ my $dbg_values = 0; my $dbg_possible = 0; my $dbg_type = 0; my $dbg_attr = 0; +my $dbg_adv_dcs = 0; +my $dbg_adv_apw = 0; +my $dbg_adv_checking = 0; for my $key (keys %debug) { ## no critic eval "\${dbg_$key} = '$debug{$key}';"; @@ -2486,8 +2489,11 @@ sub process { if ($line =~ /(^.*)\bif\b/ && $line !~ /\#\s*if/) { my ($level, $endln, @chunks) = ctx_statement_full($linenr, $realcnt, 1); - #print "chunks<$#chunks> linenr<$linenr> endln<$endln> level<$level>\n"; - #print "APW: <<$chunks[1][0]>><<$chunks[1][1]>>\n"; + if ($dbg_adv_apw) { + print "APW: chunks<$#chunks> linenr<$linenr> endln<$endln> level<$level>\n"; + print "APW: <<$chunks[1][0]>><<$chunks[1][1]>>\n" + if $#chunks >= 1; + } if ($#chunks >= 0 && $level == 0) { my $allowed = 0; my $seen = 0; @@ -2500,7 +2506,8 @@ sub process { my ($whitespace) = ($cond =~ /^((?:\s*\n[+-])*\s*)/s); my $offset = statement_rawlines($whitespace) - 1; - #print "COND<$cond> whitespace<$whitespace> offset<$offset>\n"; + print "COND<$cond> whitespace<$whitespace> offset<$offset>\n" + if $dbg_adv_apw; # We have looked at and allowed this specific line. $suppress_ifbraces{$ln + $offset} = 1; @@ -2512,18 +2519,22 @@ sub process { $seen++ if ($block =~ /^\s*{/); - #print "cond<$cond> block<$block> allowed<$allowed>\n"; + print "APW: cond<$cond> block<$block> allowed<$allowed>\n" + if $dbg_adv_apw; if (statement_lines($cond) > 1) { - #print "APW: ALLOWED: cond<$cond>\n"; - $allowed = 1; + print "APW: ALLOWED: cond<$cond>\n" + if $dbg_adv_apw; + $allowed = 1; } if ($block =~/\b(?:if|for|while)\b/) { - #print "APW: ALLOWED: block<$block>\n"; - $allowed = 1; + print "APW: ALLOWED: block<$block>\n" + if $dbg_adv_apw; + $allowed = 1; } if (statement_block_size($block) > 1) { - #print "APW: ALLOWED: lines block<$block>\n"; - $allowed = 1; + print "APW: ALLOWED: lines block<$block>\n" + if $dbg_adv_apw; + $allowed = 1; } } if ($seen != ($#chunks + 1)) { @@ -2537,44 +2548,57 @@ sub process { $line !~ /\#\s*else/) { my $allowed = 0; - # Check the pre-context. - if (substr($line, 0, $-[0]) =~ /(\}\s*)$/) { - #print "APW: ALLOWED: pre<$1>\n"; - $allowed = 1; - } + # Check the pre-context. + if (substr($line, 0, $-[0]) =~ /(\}\s*)$/) { + my $pre = $1; + + if ($line !~ /else/) { + print "APW: ALLOWED: pre<$pre> line<$line>\n" + if $dbg_adv_apw; + $allowed = 1; + } + } my ($level, $endln, @chunks) = ctx_statement_full($linenr, $realcnt, $-[0]); # Check the condition. my ($cond, $block) = @{$chunks[0]}; - #print "CHECKING<$linenr> cond<$cond> block<$block>\n"; + print "CHECKING<$linenr> cond<$cond> block<$block>\n" + if $dbg_adv_checking; if (defined $cond) { substr($block, 0, length($cond), ''); } if (statement_lines($cond) > 1) { - #print "APW: ALLOWED: cond<$cond>\n"; - $allowed = 1; + print "APW: ALLOWED: cond<$cond>\n" + if $dbg_adv_apw; + $allowed = 1; } if ($block =~/\b(?:if|for|while)\b/) { - #print "APW: ALLOWED: block<$block>\n"; - $allowed = 1; + print "APW: ALLOWED: block<$block>\n" + if $dbg_adv_apw; + $allowed = 1; } if (statement_block_size($block) > 1) { - #print "APW: ALLOWED: lines block<$block>\n"; - $allowed = 1; + print "APW: ALLOWED: lines block<$block>\n" + if $dbg_adv_apw; + $allowed = 1; } # Check the post-context. if (defined $chunks[1]) { my ($cond, $block) = @{$chunks[1]}; + if (defined $cond) { substr($block, 0, length($cond), ''); } if ($block =~ /^\s*\{/) { - #print "APW: ALLOWED: chunk-1 block<$block>\n"; - $allowed = 1; + print "APW: ALLOWED: chunk-1 block<$block>\n" + if $dbg_adv_apw; + $allowed = 1; } } + print "DCS: level=$level block<$block> allowed=$allowed\n" + if $dbg_adv_dcs; if ($level == 0 && $block !~ /^\s*\{/ && !$allowed) { my $herectx = $here . "\n";; my $cnt = statement_rawlines($block); -- 1.7.1