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79 lines
1.7 KiB
79 lines
1.7 KiB
#! /usr/bin/perl
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# A script to scan PCRE2's man pages to check for typos in the control
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# sequences. I use only a small set of the available repertoire, so it is
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# straightforward to check that nothing else has slipped in by mistake. This
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# script should be called in the doc directory.
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$yield = 0;
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while (scalar(@ARGV) > 0)
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{
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$line = 0;
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$file = shift @ARGV;
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open (IN, $file) || die "Failed to open $file\n";
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while (<IN>)
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{
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$count = 0;
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$line++;
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if (/^\s*$/)
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{
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printf "Empty line $line of $file\n";
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$yield = 1;
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}
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elsif (/^\./)
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{
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if (!/^\.\s*$|
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^\.B\s+\S|
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^\.TH\s\S|
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^\.SH\s\S|
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^\.SS\s\S|
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^\.TP(?:\s?\d+)?\s*$|
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^\.SM\s*$|
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^\.br\s*$|
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^\.rs\s*$|
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^\.sp\s*$|
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^\.nf\s*$|
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^\.fi\s*$|
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^\.P\s*$|
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^\.PP\s*$|
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^\.\\"(?:\ HREF)?\s*$|
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^\.\\"\sHTML\s<a\shref="[^"]+?">\s*$|
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^\.\\"\sHTML\s<a\sname="[^"]+?"><\/a>\s*$|
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^\.\\"\s<\/a>\s*$|
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^\.\\"\sJOINSH\s*$|
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^\.\\"\sJOIN\s*$/x
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)
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{
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printf "Bad control line $line of $file\n";
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$yield = 1;
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}
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}
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elsif (/\\[^ef]|\\f[^IBP]/)
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{
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printf "Bad backslash in line $line of $file\n";
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$yield = 1;
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}
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while (/\\f[BI]/g)
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{
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$count++;
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}
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while (/\\fP/g)
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{
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$count--;
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}
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if ($count != 0)
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{
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printf "Mismatching formatting in line $line of $file\n";
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$yield = 1;
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}
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}
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close(IN);
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}
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exit $yield;
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# End
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