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51 lines
985 B
Perl
51 lines
985 B
Perl
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#!/usr/bin/perl
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use strict;
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use warnings;
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if ($ARGV[0] eq '--help') {
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print << "EOF";
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Usage:
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$0 definitions.c
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EOF
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exit;
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}
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my ($cfname, $sfname, $gfname, $cpp) = @ARGV;
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my $F;
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open $F, "<", $cfname;
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my $text = join "", <$F>;
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close $F;
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my $s = qr/(?>\s*)/aso;
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my $w = qr/(?>\w+)/aso;
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my $argname = qr/$w(?:\[(?>\w+)\])?/aso;
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my $type_regex = qr/(?:$w$s\**$s)+/aso;
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my $arg_regex = qr/(?:$type_regex$s$argname)/aso;
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while ($text =~ /
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(?<=\n) # Definition starts at the start of line
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$type_regex # Return type
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$s$w # Function name
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$s\($s
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(?:
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$arg_regex(?:$s,$s$arg_regex)*+
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($s,$s\.\.\.)? # varargs function
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|void
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)?
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$s\)
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(?:$s FUNC_ATTR_$w(?:\((?>[^)]*)\))?)*+ # Optional attributes
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(?=$s;) # Ending semicolon
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/axsogp) {
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my $match = "${^MATCH}";
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my $s = "${^PREMATCH}";
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$s =~ s/[^\n]++//g;
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my $line = 1 + length $s;
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print "${cfname}:${line}: $match\n";
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}
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