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author | Perberos <[email protected]> | 2011-12-01 22:24:23 -0300 |
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committer | Perberos <[email protected]> | 2011-12-01 22:24:23 -0300 |
commit | 0e004c696b0e68b2cff37a4c3315b022a35eaf43 (patch) | |
tree | 43261e815529cb9518ed7be37af13b846af8b26b /eel/makeenums.pl | |
download | caja-0e004c696b0e68b2cff37a4c3315b022a35eaf43.tar.bz2 caja-0e004c696b0e68b2cff37a4c3315b022a35eaf43.tar.xz |
moving from https://github.com/perberos/mate-desktop-environment
Diffstat (limited to 'eel/makeenums.pl')
-rwxr-xr-x | eel/makeenums.pl | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/eel/makeenums.pl b/eel/makeenums.pl new file mode 100755 index 00000000..50402ed2 --- /dev/null +++ b/eel/makeenums.pl @@ -0,0 +1,220 @@ +#!/usr/bin/perl -w + +# This script snarfs the enums from header files and writes them out into +# a .defs file (mate.defs, for example). From there, the sister script +# maketypes.awk converts the defs into a *typebuiltins.h, as well as +# *typebuiltins_vals.c, *typebuiltins_ids.c and *typebuiltins_evals.c. + +# Information about the current enumeration + +my $flags; # Is enumeration a bitmask +my $seenbitshift; # Have we seen bitshift operators? +my $prefix; # Prefix for this enumeration +my $enumname; # Name for this enumeration +my $firstenum = 1; # Is this the first enumeration in file? +my @entries; # [ $name, $val ] for each entry + +sub parse_options { + my $opts = shift; + my @opts; + + for $opt (split /\s*,\s*/, $opts) { + my ($key,$val) = $opt =~ /\s*(\w+)(?:=(\S+))?/; + defined $val or $val = 1; + push @opts, $key, $val; + } + @opts; +} +sub parse_entries { + my $file = shift; + + while (<$file>) { + # Read lines until we have no open comments + while (m@/\* + ([^*]|\*(?!/))*$ + @x) { + my $new; + defined ($new = <$file>) || die "Unmatched comment"; + $_ .= $new; + } + # Now strip comments + s@/\*(?!<) + ([^*]+|\*(?!/))* + \*/@@gx; + + s@\n@ @; + + next if m@^\s*$@; + + # Handle include files + if (/^\#include\s*<([^>]*)>/ ) { + my $file= "../$1"; + open NEWFILE, $file or die "Cannot open include file $file: $!\n"; + + if (parse_entries (\*NEWFILE)) { + return 1; + } else { + next; + } + } + + if (/^\s*\}\s*(\w+)/) { + $enumname = $1; + return 1; + } + + if (m@^\s* + (\w+)\s* # name + (?:=( # value + (?:[^,/]|/(?!\*))* + ))?,?\s* + (?:/\*< # options + (([^*]|\*(?!/))*) + >\*/)? + \s*$ + @x) { + my ($name, $value, $options) = ($1,$2,$3); + + if (!defined $flags && defined $value && $value =~ /<</) { + $seenbitshift = 1; + } + if (defined $options) { + my %options = parse_options($options); + if (!defined $options{skip}) { + push @entries, [ $name, $options{nick} ]; + } + } else { + push @entries, [ $name ]; + } + } else { + print STDERR "Can't understand: $_\n"; + } + } + return 0; +} + + +my $gen_arrays = 0; +my $gen_defs = 0; + +# Parse arguments + +if (@ARGV) { + if ($ARGV[0] eq "arrays") { + shift @ARGV; + $gen_arrays = 1; + } elsif ($ARGV[0] eq "defs") { + shift @ARGV; + $gen_defs = 1; + } else { + $gen_defs = 1; + } + +} + +if ($gen_defs) { + print ";; generated by makeenums.pl ; -*- scheme -*-\n\n"; +} else { + print "/* Generated by makeenums.pl */\n\n"; +} + +ENUMERATION: +while (<>) { + if (eof) { + close (ARGV); # reset line numbering + $firstenum = 1; # Flag to print filename at next enum + } + + if (m@^\s*typedef\s+enum\s* + ({)?\s* + (?:/\*< + (([^*]|\*(?!/))*) + >\*/)? + @x) { + if (defined $2) { + my %options = parse_options($2); + $prefix = $options{prefix}; + $flags = $options{flags}; + } else { + $prefix = undef; + $flags = undef; + } + # Didn't have trailing '{' look on next lines + if (!defined $1) { + while (<>) { + if (s/^\s*\{//) { + last; + } + } + } + + $seenbitshift = 0; + @entries = (); + + # Now parse the entries + parse_entries (\*ARGV); + + # figure out if this was a flags or enums enumeration + + if (!defined $flags) { + $flags = $seenbitshift; + } + + # Autogenerate a prefix + + if (!defined $prefix) { + for (@entries) { + my $name = $_->[0]; + if (defined $prefix) { + my $tmp = ~ ($name ^ $prefix); + ($tmp) = $tmp =~ /(^\xff*)/; + $prefix = $prefix & $tmp; + } else { + $prefix = $name; + } + } + # Trim so that it ends in an underscore + $prefix =~ s/_[^_]*$/_/; + } + + for $entry (@entries) { + my ($name,$nick) = @{$entry}; + if (!defined $nick) { + ($nick = $name) =~ s/^$prefix//; + $nick =~ tr/_/-/; + $nick = lc($nick); + @{$entry} = ($name, $nick); + } + } + + # Spit out the output + + if ($gen_defs) { + if ($firstenum) { + print qq(\n; enumerations from "$ARGV"\n); + $firstenum = 0; + } + + print "\n(define-".($flags ? "flags" : "enum")." $enumname"; + + for (@entries) { + my ($name,$nick) = @{$_}; + print "\n ($nick $name)"; + } + print ")\n"; + + } else { + ($valuename = $enumname) =~ s/([A-Z][a-z])/_$1/g; + $valuename =~ s/([a-z])([A-Z])/$1_$2/g; + $valuename = lc($valuename); + + print "static const GEnumValue $ {valuename}_values[] = {\n"; + for (@entries) { + my ($name,$nick) = @{$_}; + print qq( { $name, "$name", "$nick" },\n); + } + print " { 0, NULL, NULL }\n"; + print "};\n"; + } + } +} |