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|
#!/usr/bin/perl
use strict;
use warnings;
use Test::More;
# This test is for making sure that the new EU::Typemaps
# based typemap merging produces the same result as the old
# EU::ParseXS code.
use ExtUtils::Typemaps;
use ExtUtils::ParseXS::Utilities qw(
C_string
tidy_type
trim_whitespace
process_typemaps
);
use ExtUtils::ParseXS::Constants;
use File::Spec;
my $path_prefix = File::Spec->catdir(-d 't' ? qw(t data) : qw(data));
my @tests = (
{
name => 'Simple conflict',
local_maps => [
File::Spec->catdir($path_prefix, "conflicting.typemap"),
],
std_maps => [
File::Spec->catdir($path_prefix, "other.typemap"),
],
},
{
name => 'B',
local_maps => [
File::Spec->catdir($path_prefix, "b.typemap"),
],
std_maps => [],
},
{
name => 'B and perl',
local_maps => [
File::Spec->catdir($path_prefix, "b.typemap"),
],
std_maps => [
File::Spec->catdir($path_prefix, "perl.typemap"),
],
},
{
name => 'B and perl and B again',
local_maps => [
File::Spec->catdir($path_prefix, "b.typemap"),
],
std_maps => [
File::Spec->catdir($path_prefix, "perl.typemap"),
File::Spec->catdir($path_prefix, "b.typemap"),
],
},
);
plan tests => scalar(@tests);
my @local_tmaps;
my @standard_typemap_locations;
SCOPE: {
no warnings 'redefine';
sub ExtUtils::ParseXS::Utilities::standard_typemap_locations {
@standard_typemap_locations;
}
sub standard_typemap_locations {
@standard_typemap_locations;
}
}
foreach my $test (@tests) {
@local_tmaps = @{ $test->{local_maps} };
@standard_typemap_locations = @{ $test->{std_maps} };
my $res = [_process_typemaps([@local_tmaps], '.')];
my $res_new = [process_typemaps([@local_tmaps], '.')];
# Normalize trailing whitespace. Let's be that lenient, mkay?
for ($res, $res_new) {
for ($_->[2], $_->[3]) {
for (values %$_) {
s/\s+\z//;
}
}
}
#use Data::Dumper; warn Dumper $res;
#use Data::Dumper; warn Dumper $res_new;
is_deeply($res_new, $res, "typemap equivalency for '$test->{name}'");
}
# The code below is a reproduction of what the pre-ExtUtils::Typemap
# typemap-parsing/handling code in ExtUtils::ParseXS looked like. For
# bug-compatibility, we want to produce the same data structures as that
# code as much as possible.
sub _process_typemaps {
my ($tmap, $pwd) = @_;
my @tm = ref $tmap ? @{$tmap} : ($tmap);
foreach my $typemap (@tm) {
die "Can't find $typemap in $pwd\n" unless -r $typemap;
}
push @tm, standard_typemap_locations( \@INC );
my ($type_kind_ref, $proto_letter_ref, $input_expr_ref, $output_expr_ref)
= ( {}, {}, {}, {} );
foreach my $typemap (@tm) {
next unless -f $typemap;
# skip directories, binary files etc.
warn("Warning: ignoring non-text typemap file '$typemap'\n"), next
unless -T $typemap;
($type_kind_ref, $proto_letter_ref, $input_expr_ref, $output_expr_ref) =
_process_single_typemap( $typemap,
$type_kind_ref, $proto_letter_ref, $input_expr_ref, $output_expr_ref);
}
return ($type_kind_ref, $proto_letter_ref, $input_expr_ref, $output_expr_ref);
}
sub _process_single_typemap {
my ($typemap,
$type_kind_ref, $proto_letter_ref, $input_expr_ref, $output_expr_ref) = @_;
open my $TYPEMAP, '<', $typemap
or warn ("Warning: could not open typemap file '$typemap': $!\n"), next;
my $mode = 'Typemap';
my $junk = "";
my $current = \$junk;
while (<$TYPEMAP>) {
# skip comments
next if /^\s*#/;
if (/^INPUT\s*$/) {
$mode = 'Input'; $current = \$junk; next;
}
if (/^OUTPUT\s*$/) {
$mode = 'Output'; $current = \$junk; next;
}
if (/^TYPEMAP\s*$/) {
$mode = 'Typemap'; $current = \$junk; next;
}
if ($mode eq 'Typemap') {
chomp;
my $logged_line = $_;
trim_whitespace($_);
# skip blank lines
next if /^$/;
my($type,$kind, $proto) =
m/^\s*(.*?\S)\s+(\S+)\s*($ExtUtils::ParseXS::Constants::PrototypeRegexp*)\s*$/
or warn(
"Warning: File '$typemap' Line $. '$logged_line' " .
"TYPEMAP entry needs 2 or 3 columns\n"
),
next;
$type = tidy_type($type);
$type_kind_ref->{$type} = $kind;
# prototype defaults to '$'
$proto = "\$" unless $proto;
$proto_letter_ref->{$type} = C_string($proto);
}
elsif (/^\s/) {
$$current .= $_;
}
elsif ($mode eq 'Input') {
s/\s+$//;
$input_expr_ref->{$_} = '';
$current = \$input_expr_ref->{$_};
}
else {
s/\s+$//;
$output_expr_ref->{$_} = '';
$current = \$output_expr_ref->{$_};
}
}
close $TYPEMAP;
return ($type_kind_ref, $proto_letter_ref, $input_expr_ref, $output_expr_ref);
}
|
