- # Locate the end of the opening statement.
- my @control = ctx_statement($linenr, $realcnt, 0);
- my $nr = $linenr + (scalar(@control) - 1);
- my $cnt = $realcnt - (scalar(@control) - 1);
-
- my $off = $realcnt - $cnt;
- #print "$off: line<$line>end<" . $lines[$nr - 1] . ">\n";
-
- # If this is is a braced statement group check it
- if ($lines[$nr - 1] =~ /{\s*$/) {
- my ($lvl, @block) = ctx_block_level($nr, $cnt);
-
- my $stmt = join("\n", @block);
- # Drop the diff line leader.
- $stmt =~ s/\n./\n/g;
- # Drop the code outside the block.
- $stmt =~ s/(^[^{]*){\s*//;
- my $before = $1;
- $stmt =~ s/\s*}([^}]*$)//;
- my $after = $1;
-
- #print "block<" . join(' ', @block) . "><" . scalar(@block) . ">\n";
- #print "before<$before> stmt<$stmt> after<$after>\n\n";
-
- # Count the newlines, if there is only one
- # then the block should not have {}'s.
- my @lines = ($stmt =~ /\n/g);
- my @statements = ($stmt =~ /;/g);
- #print "lines<" . scalar(@lines) . ">\n";
- #print "statements<" . scalar(@statements) . ">\n";
- if ($lvl == 0 && scalar(@lines) == 0 &&
- scalar(@statements) < 2 &&
- $stmt !~ /{/ && $stmt !~ /\bif\b/ &&
- $before !~ /}/ && $after !~ /{/) {
- my $herectx = "$here\n" . join("\n", @control, @block[1 .. $#block]) . "\n";
- shift(@block);
- WARN("braces {} are not necessary for single statement blocks\n" . $herectx);
+ my ($level, $endln, @chunks) =
+ ctx_statement_full($linenr, $realcnt, $-[0]);
+
+ my $allowed = 0;
+
+ # Check the pre-context.
+ if (substr($line, 0, $-[0]) =~ /(\}\s*)$/) {
+ #print "APW: ALLOWED: pre<$1>\n";
+ $allowed = 1;
+ }
+ # Check the condition.
+ my ($cond, $block) = @{$chunks[0]};
+ if (defined $cond) {
+ substr($block, 0, length($cond)) = '';
+ }
+ if (statement_lines($cond) > 1) {
+ #print "APW: ALLOWED: cond<$cond>\n";
+ $allowed = 1;
+ }
+ if ($block =~/\b(?:if|for|while)\b/) {
+ #print "APW: ALLOWED: block<$block>\n";
+ $allowed = 1;
+ }
+ if (statement_block_size($block) > 1) {
+ #print "APW: ALLOWED: lines block<$block>\n";
+ $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";
+ $allowed = 1;
+ }
+ }
+ if ($level == 0 && $block =~ /^\s*\{/ && !$allowed) {
+ my $herectx = $here . "\n";;
+ my $end = $linenr + statement_rawlines($block) - 1;
+
+ for (my $ln = $linenr - 1; $ln < $end; $ln++) {
+ $herectx .= $rawlines[$ln] . "\n";;