package ExtUtils::ParseXS;
use strict;
-use 5.008001; # We use /??{}/ in regexes
+use 5.006001;
use Cwd;
use Config;
-use Exporter;
+use Exporter 'import';
use File::Basename;
use File::Spec;
use Symbol;
our $VERSION;
BEGIN {
- $VERSION = '3.13';
+ $VERSION = '3.33';
}
use ExtUtils::ParseXS::Constants $VERSION;
use ExtUtils::ParseXS::CountLines $VERSION;
use ExtUtils::ParseXS::Utilities $VERSION;
+use ExtUtils::ParseXS::Eval $VERSION;
$VERSION = eval $VERSION if $VERSION =~ /_/;
use ExtUtils::ParseXS::Utilities qw(
standard_typemap_locations
trim_whitespace
- tidy_type
C_string
valid_proto_string
process_typemaps
- make_targetable
map_type
standard_XS_defs
assign_func_args
report_typemap_failure
);
-our @ISA = qw(Exporter);
our @EXPORT_OK = qw(
process_file
report_error_count
);
-# The scalars in the line below remain as 'our' variables because pulling
-# them into $self led to build problems. In most cases, strings being
-# 'eval'-ed contain the variables' names hard-coded.
-our (
- $Package, $func_name, $Full_func_name, $pname, $ALIAS,
-);
+##############################
+# A number of "constants"
-our $self = bless {} => __PACKAGE__;
+our ($C_group_rex, $C_arg);
+# Group in C (no support for comments or literals)
+$C_group_rex = qr/ [({\[]
+ (?: (?> [^()\[\]{}]+ ) | (??{ $C_group_rex }) )*
+ [)}\]] /x;
+# Chunk in C without comma at toplevel (no comments):
+$C_arg = qr/ (?: (?> [^()\[\]{},"']+ )
+ | (??{ $C_group_rex })
+ | " (?: (?> [^\\"]+ )
+ | \\.
+ )* " # String literal
+ | ' (?: (?> [^\\']+ ) | \\. )* ' # Char literal
+ )* /xs;
-sub process_file {
+# "impossible" keyword (multiple newline)
+my $END = "!End!\n\n";
+# Match an XS Keyword
+my $BLOCK_regexp = '\s*(' . $ExtUtils::ParseXS::Constants::XSKeywordsAlternation . "|$END)\\s*:";
+
+
+
+sub new {
+ return bless {} => shift;
+}
- # Allow for $package->process_file(%hash) in the future
- my ($pkg, %options) = @_ % 2 ? @_ : (__PACKAGE__, @_);
+our $Singleton = __PACKAGE__->new;
+sub process_file {
+ my $self;
+ # Allow for $package->process_file(%hash), $obj->process_file, and process_file()
+ if (@_ % 2) {
+ my $invocant = shift;
+ $self = ref($invocant) ? $invocant : $invocant->new;
+ }
+ else {
+ $self = $Singleton;
+ }
+
+ my %options = @_;
$self->{ProtoUsed} = exists $options{prototypes};
# Set defaults.
}
@{ $self->{XSStack} } = ({type => 'none'});
$self->{InitFileCode} = [ @ExtUtils::ParseXS::Constants::InitFileCode ];
- $self->{Overload} = 0;
- $self->{errors} = 0;
+ $self->{Overload} = 0; # bool
+ $self->{errors} = 0; # count
$self->{Fallback} = '&PL_sv_undef';
# Most of the 1500 lines below uses these globals. We'll have to
# clean this up sometime, probably. For now, we just pull them out
# of %args. -Ken
- $self->{hiertype} = $args{hiertype};
+ $self->{RetainCplusplusHierarchicalTypes} = $args{hiertype};
$self->{WantPrototypes} = $args{prototypes};
$self->{WantVersionChk} = $args{versioncheck};
$self->{WantLineNumbers} = $args{linenumbers};
$self->{typemap} = process_typemaps( $args{typemap}, $pwd );
- my $END = "!End!\n\n"; # "impossible" keyword (multiple newline)
-
- # Match an XS keyword
- $self->{BLOCK_re} = '\s*(' .
- join('|' => @ExtUtils::ParseXS::Constants::XSKeywords) .
- "|$END)\\s*:";
-
- our ($C_group_rex, $C_arg);
- # Group in C (no support for comments or literals)
- $C_group_rex = qr/ [({\[]
- (?: (?> [^()\[\]{}]+ ) | (??{ $C_group_rex }) )*
- [)}\]] /x;
- # Chunk in C without comma at toplevel (no comments):
- $C_arg = qr/ (?: (?> [^()\[\]{},"']+ )
- | (??{ $C_group_rex })
- | " (?: (?> [^\\"]+ )
- | \\.
- )* " # String literal
- | ' (?: (?> [^\\']+ ) | \\. )* ' # Char literal
- )* /xs;
-
- # Since at this point we're ready to begin printing to the output file and
- # reading from the input file, I want to get as much data as possible into
- # the proto-object $self. That means assigning to $self and elements of
- # %args referenced below this point.
- # HOWEVER: This resulted in an error when I tried:
- # $args{'s'} ---> $self->{s}.
- # Use of uninitialized value in quotemeta at
- # .../blib/lib/ExtUtils/ParseXS.pm line 733
-
+ # Move more settings from parameters to object
foreach my $datum ( qw| argtypes except inout optimize | ) {
$self->{$datum} = $args{$datum};
}
+ $self->{strip_c_func_prefix} = $args{s};
# Identify the version of xsubpp used
print <<EOM;
# is a basename'd $args{filename} due to chdir above)
open($self->{FH}, '<', $self->{filename}) or die "cannot open $self->{filename}: $!\n";
- firstmodule:
+ FIRSTMODULE:
while (readline($self->{FH})) {
if (/^=/) {
my $podstartline = $.;
print("#if 0\n \"Skipped embedded POD.\"\n#endif\n");
printf("#line %d \"%s\"\n", $. + 1, escape_file_for_line_directive($self->{filepathname}))
if $self->{WantLineNumbers};
- next firstmodule
+ next FIRSTMODULE;
}
} while (readline($self->{FH}));
die ("Error: Unterminated pod in $self->{filename}, line $podstartline\n")
unless $self->{lastline};
}
- last if ($Package, $self->{Prefix}) =
+ last if ($self->{Package}, $self->{Prefix}) =
/^MODULE\s*=\s*[\w:]+(?:\s+PACKAGE\s*=\s*([\w:]+))?(?:\s+PREFIX\s*=\s*(\S+))?\s*$/;
print $_;
$self->{$member} = {};
}
$self->{proto_arg} = [];
- $self->{processing_arg_with_types} = undef;
- $self->{proto_in_this_xsub} = undef;
- $self->{scope_in_this_xsub} = undef;
- $self->{interface} = undef;
+ $self->{processing_arg_with_types} = 0; # bool
+ $self->{proto_in_this_xsub} = 0; # counter & bool
+ $self->{scope_in_this_xsub} = 0; # counter & bool
+ $self->{interface} = 0; # bool
$self->{interface_macro} = 'XSINTERFACE_FUNC';
$self->{interface_macro_set} = 'XSINTERFACE_FUNC_SET';
- $self->{ProtoThisXSUB} = $self->{WantPrototypes};
- $self->{ScopeThisXSUB} = 0;
+ $self->{ProtoThisXSUB} = $self->{WantPrototypes}; # states 0 (none), 1 (yes), 2 (empty prototype)
+ $self->{ScopeThisXSUB} = 0; # bool
my $xsreturn = 0;
}
# extract return type, function name and arguments
- ($self->{ret_type}) = tidy_type($_);
+ ($self->{ret_type}) = ExtUtils::Typemaps::tidy_type($_);
my $RETVAL_no_return = 1 if $self->{ret_type} =~ s/^NO_OUTPUT\s+//;
# Allow one-line ANSI-like declaration
unless $func_header =~ /^(?:([\w:]*)::)?(\w+)\s*\(\s*(.*?)\s*\)\s*(const)?\s*(;\s*)?$/s;
my ($class, $orig_args);
- ($class, $func_name, $orig_args) = ($1, $2, $3);
+ ($class, $self->{func_name}, $orig_args) = ($1, $2, $3);
$class = "$4 $class" if $4;
- ($pname = $func_name) =~ s/^($self->{Prefix})?/$self->{Packprefix}/;
+ ($self->{pname} = $self->{func_name}) =~ s/^($self->{Prefix})?/$self->{Packprefix}/;
my $clean_func_name;
- ($clean_func_name = $func_name) =~ s/^$self->{Prefix}//;
- $Full_func_name = "$self->{Packid}_$clean_func_name";
+ ($clean_func_name = $self->{func_name}) =~ s/^$self->{Prefix}//;
+ $self->{Full_func_name} = "$self->{Packid}_$clean_func_name";
if ($Is_VMS) {
- $Full_func_name = $SymSet->addsym($Full_func_name);
+ $self->{Full_func_name} = $SymSet->addsym( $self->{Full_func_name} );
}
# Check for duplicate function definition
for my $tmp (@{ $self->{XSStack} }) {
- next unless defined $tmp->{functions}{$Full_func_name};
+ next unless defined $tmp->{functions}{ $self->{Full_func_name} };
Warn( $self, "Warning: duplicate function definition '$clean_func_name' detected");
last;
}
- $self->{XSStack}->[$XSS_work_idx]{functions}{$Full_func_name}++;
- %{ $self->{XsubAliases} } = ();
- %{ $self->{XsubAliasValues} } = ();
+ $self->{XSStack}->[$XSS_work_idx]{functions}{ $self->{Full_func_name} }++;
+ delete $self->{XsubAliases};
+ delete $self->{XsubAliasValues};
%{ $self->{Interfaces} } = ();
@{ $self->{Attributes} } = ();
$self->{DoSetMagic} = 1;
my $only_C_inlist_ref = {}; # Not in the signature of Perl function
if ($self->{argtypes} and $orig_args =~ /\S/) {
my $args = "$orig_args ,";
+ use re 'eval';
if ($args =~ /^( (??{ $C_arg }) , )* $ /x) {
@args = ($args =~ /\G ( (??{ $C_arg }) ) , /xg);
+ no re 'eval';
for ( @args ) {
s/^\s+//;
s/\s+$//;
}
}
else {
+ no re 'eval';
@args = split(/\s*,\s*/, $orig_args);
Warn( $self, "Warning: cannot parse argument list '$orig_args', fallback to split");
}
}
}
if (defined($class)) {
- my $arg0 = ((defined($static) or $func_name eq 'new')
+ my $arg0 = ((defined($static) or $self->{func_name} eq 'new')
? "CLASS" : "THIS");
unshift(@args, $arg0);
}
my $EXPLICIT_RETURN = ($CODE &&
("@{ $self->{line} }" =~ /(\bST\s*\([^;]*=) | (\bXST_m\w+\s*\()/x ));
- # The $ALIAS which follows is only explicitly called within the scope of
- # process_file(). In principle, it ought to be a lexical, i.e., 'my
- # $ALIAS' like the other nearby variables. However, implementing that
- # change produced a slight difference in the resulting .c output in at
- # least two distributions: B/BD/BDFOY/Crypt-Rijndael and
- # G/GF/GFUJI/Hash-FieldHash. The difference is, arguably, an improvement
- # in the resulting C code. Example:
- # 388c388
- # < GvNAME(CvGV(cv)),
- # ---
- # > "Crypt::Rijndael::encrypt",
- # But at this point we're committed to generating the *same* C code that
- # the current version of ParseXS.pm does. So we're declaring it as 'our'.
- $ALIAS = grep(/^\s*ALIAS\s*:/, @{ $self->{line} });
+ $self->{ALIAS} = grep(/^\s*ALIAS\s*:/, @{ $self->{line} });
my $INTERFACE = grep(/^\s*INTERFACE\s*:/, @{ $self->{line} });
# print function header
print Q(<<"EOF");
#$externC
-#XS_EUPXS(XS_${Full_func_name}); /* prototype to pass -Wmissing-prototypes */
-#XS_EUPXS(XS_${Full_func_name})
+#XS_EUPXS(XS_$self->{Full_func_name}); /* prototype to pass -Wmissing-prototypes */
+#XS_EUPXS(XS_$self->{Full_func_name})
#[[
# dVAR; dXSARGS;
EOF
- print Q(<<"EOF") if $ALIAS;
+ print Q(<<"EOF") if $self->{ALIAS};
# dXSI32;
EOF
print Q(<<"EOF") if $INTERFACE;
EOF
if (!$self->{thisdone} && defined($class)) {
- if (defined($static) or $func_name eq 'new') {
+ if (defined($static) or $self->{func_name} eq 'new') {
print "\tchar *";
$self->{var_types}->{"CLASS"} = "char *";
- generate_init( {
+ $self->generate_init( {
type => "char *",
num => 1,
var => "CLASS",
} );
}
else {
- print "\t$class *";
+ print "\t" . map_type($self, "$class *");
$self->{var_types}->{"THIS"} = "$class *";
- generate_init( {
+ $self->generate_init( {
type => "$class *",
num => 1,
var => "THIS",
my ($wantRETVAL);
# do code
if (/^\s*NOT_IMPLEMENTED_YET/) {
- print "\n\tPerl_croak(aTHX_ \"$pname: not implemented yet\");\n";
+ print "\n\tPerl_croak(aTHX_ \"$self->{pname}: not implemented yet\");\n";
$_ = '';
}
else {
$self->{have_CODE_with_RETVAL} = 1;
}
}
- elsif (defined($class) and $func_name eq "DESTROY") {
+ elsif (defined($class) and $self->{func_name} eq "DESTROY") {
print "\n\t";
print "delete THIS;\n";
}
$wantRETVAL = 1;
}
if (defined($static)) {
- if ($func_name eq 'new') {
- $func_name = "$class";
+ if ($self->{func_name} eq 'new') {
+ $self->{func_name} = "$class";
}
else {
print "${class}::";
}
}
elsif (defined($class)) {
- if ($func_name eq 'new') {
- $func_name .= " $class";
+ if ($self->{func_name} eq 'new') {
+ $self->{func_name} .= " $class";
}
else {
print "THIS->";
}
}
- $func_name =~ s/^\Q$args{'s'}//
- if exists $args{'s'};
- $func_name = 'XSFUNCTION' if $self->{interface};
- print "$func_name($self->{func_args});\n";
+ my $strip = $self->{strip_c_func_prefix};
+ $self->{func_name} =~ s/^\Q$strip//
+ if defined $strip;
+ $self->{func_name} = 'XSFUNCTION' if $self->{interface};
+ print "$self->{func_name}($self->{func_args});\n";
}
}
$self->Warn("Warning: Found a 'CODE' section which seems to be using 'RETVAL' but no 'OUTPUT' section.");
}
- generate_output( {
+ $self->generate_output( {
type => $self->{var_types}->{$_},
num => $self->{args_match}->{$_},
var => $_,
do_setmagic => $self->{DoSetMagic},
do_push => undef,
- } ) for grep $self->{in_out}->{$_} =~ /OUT$/, keys %{ $self->{in_out} };
+ } ) for grep $self->{in_out}->{$_} =~ /OUT$/, sort keys %{ $self->{in_out} };
my $prepush_done;
# all OUTPUT done, so now push the return value on the stack
}
elsif ($self->{gotRETVAL} || $wantRETVAL) {
my $outputmap = $self->{typemap}->get_outputmap( ctype => $self->{ret_type} );
- my $t = $self->{optimize} && $outputmap && $outputmap->targetable;
- # Although the '$var' declared in the next line is never explicitly
- # used within this 'elsif' block, commenting it out leads to
- # disaster, starting with the first 'eval qq' inside the 'elsif' block
- # below.
- # It appears that this is related to the fact that at this point the
- # value of $t is a reference to an array whose [2] element includes
- # '$var' as a substring:
- # <i> <> <(IV)$var>
+ my $trgt = $self->{optimize} && $outputmap && $outputmap->targetable;
my $var = 'RETVAL';
my $type = $self->{ret_type};
- if ($t and not $t->{with_size} and $t->{type} eq 'p') {
- # PUSHp corresponds to setpvn. Treat setpv directly
- my $what = eval qq("$t->{what}");
- warn $@ if $@;
-
- print "\tsv_setpv(TARG, $what); XSprePUSH; PUSHTARG;\n";
- $prepush_done = 1;
- }
- elsif ($t) {
- my $what = eval qq("$t->{what}");
- warn $@ if $@;
-
- my $tsize = $t->{what_size};
- $tsize = '' unless defined $tsize;
- $tsize = eval qq("$tsize");
- warn $@ if $@;
- print "\tXSprePUSH; PUSH$t->{type}($what$tsize);\n";
- $prepush_done = 1;
+ if ($trgt) {
+ my $what = $self->eval_output_typemap_code(
+ qq("$trgt->{what}"),
+ {var => $var, type => $self->{ret_type}}
+ );
+ if (not $trgt->{with_size} and $trgt->{type} eq 'p') { # sv_setpv
+ # PUSHp corresponds to sv_setpvn. Treat sv_setpv directly
+ print "\tsv_setpv(TARG, $what); XSprePUSH; PUSHTARG;\n";
+ $prepush_done = 1;
+ }
+ else {
+ my $tsize = $trgt->{what_size};
+ $tsize = '' unless defined $tsize;
+ $tsize = $self->eval_output_typemap_code(
+ qq("$tsize"),
+ {var => $var, type => $self->{ret_type}}
+ );
+ print "\tXSprePUSH; PUSH$trgt->{type}($what$tsize);\n";
+ $prepush_done = 1;
+ }
}
else {
# RETVAL almost never needs SvSETMAGIC()
- generate_output( {
+ $self->generate_output( {
type => $self->{ret_type},
num => 0,
var => 'RETVAL',
print "\tXSprePUSH;" if $c and not $prepush_done;
print "\tEXTEND(SP,$c);\n" if $c;
$xsreturn += $c;
- generate_output( {
+ $self->generate_output( {
type => $self->{var_types}->{$_},
num => $num++,
var => $_,
next;
}
last if $_ eq "$END:";
- $self->death(/^$self->{BLOCK_re}/o ? "Misplaced '$1:'" : "Junk at end of function ($_)");
+ $self->death(/^$BLOCK_regexp/o ? "Misplaced '$1:'" : "Junk at end of function ($_)");
}
print Q(<<"EOF") if $self->{except};
#
EOF
- $self->{newXS} = "newXS";
$self->{proto} = "";
-
+ unless($self->{ProtoThisXSUB}) {
+ $self->{newXS} = "newXS_deffile";
+ $self->{file} = "";
+ }
+ else {
# Build the prototype string for the xsub
- if ($self->{ProtoThisXSUB}) {
$self->{newXS} = "newXSproto_portable";
+ $self->{file} = ", file";
if ($self->{ProtoThisXSUB} eq 2) {
# User has specified empty prototype
$self->{proto} = qq{, "$self->{proto}"};
}
- if (%{ $self->{XsubAliases} }) {
- $self->{XsubAliases}->{$pname} = 0
- unless defined $self->{XsubAliases}->{$pname};
- while ( my ($xname, $value) = each %{ $self->{XsubAliases} }) {
+ if ($self->{XsubAliases} and keys %{ $self->{XsubAliases} }) {
+ $self->{XsubAliases}->{ $self->{pname} } = 0
+ unless defined $self->{XsubAliases}->{ $self->{pname} };
+ foreach my $xname (sort keys %{ $self->{XsubAliases} }) {
+ my $value = $self->{XsubAliases}{$xname};
push(@{ $self->{InitFileCode} }, Q(<<"EOF"));
-# cv = $self->{newXS}(\"$xname\", XS_$Full_func_name, file$self->{proto});
+# cv = $self->{newXS}(\"$xname\", XS_$self->{Full_func_name}$self->{file}$self->{proto});
# XSANY.any_i32 = $value;
EOF
}
}
elsif (@{ $self->{Attributes} }) {
push(@{ $self->{InitFileCode} }, Q(<<"EOF"));
-# cv = $self->{newXS}(\"$pname\", XS_$Full_func_name, file$self->{proto});
-# apply_attrs_string("$Package", cv, "@{ $self->{Attributes} }", 0);
+# cv = $self->{newXS}(\"$self->{pname}\", XS_$self->{Full_func_name}$self->{file}$self->{proto});
+# apply_attrs_string("$self->{Package}", cv, "@{ $self->{Attributes} }", 0);
EOF
}
elsif ($self->{interface}) {
- while ( my ($yname, $value) = each %{ $self->{Interfaces} }) {
- $yname = "$Package\::$yname" unless $yname =~ /::/;
+ foreach my $yname (sort keys %{ $self->{Interfaces} }) {
+ my $value = $self->{Interfaces}{$yname};
+ $yname = "$self->{Package}\::$yname" unless $yname =~ /::/;
push(@{ $self->{InitFileCode} }, Q(<<"EOF"));
-# cv = $self->{newXS}(\"$yname\", XS_$Full_func_name, file$self->{proto});
+# cv = $self->{newXS}(\"$yname\", XS_$self->{Full_func_name}$self->{file}$self->{proto});
# $self->{interface_macro_set}(cv,$value);
EOF
}
}
- elsif($self->{newXS} eq 'newXS'){ # work around P5NCI's empty newXS macro
+ elsif($self->{newXS} eq 'newXS_deffile'){ # work around P5NCI's empty newXS macro
push(@{ $self->{InitFileCode} },
- " $self->{newXS}(\"$pname\", XS_$Full_func_name, file$self->{proto});\n");
+ " $self->{newXS}(\"$self->{pname}\", XS_$self->{Full_func_name}$self->{file}$self->{proto});\n");
}
else {
push(@{ $self->{InitFileCode} },
- " (void)$self->{newXS}(\"$pname\", XS_$Full_func_name, file$self->{proto});\n");
+ " (void)$self->{newXS}(\"$self->{pname}\", XS_$self->{Full_func_name}$self->{file}$self->{proto});\n");
}
} # END 'PARAGRAPH' 'while' loop
#
EOF
unshift(@{ $self->{InitFileCode} }, <<"MAKE_FETCHMETHOD_WORK");
- /* Making a sub named "${Package}::()" allows the package */
+ /* Making a sub named "$self->{Package}::()" allows the package */
/* to be findable via fetchmethod(), and causes */
- /* overload::Overloaded("${Package}") to return true. */
- (void)$self->{newXS}("${Package}::()", XS_$self->{Packid}_nil, file$self->{proto});
+ /* overload::Overloaded("$self->{Package}") to return true. */
+ (void)$self->{newXS}("$self->{Package}::()", XS_$self->{Packid}_nil$self->{file}$self->{proto});
MAKE_FETCHMETHOD_WORK
}
print Q(<<"EOF");
#XS_EXTERNAL(boot_$self->{Module_cname}); /* prototype to pass -Wmissing-prototypes */
#XS_EXTERNAL(boot_$self->{Module_cname})
-EOF
-
- print Q(<<"EOF");
#[[
+##if PERL_VERSION_LE(5, 21, 5)
# dVAR; dXSARGS;
+##else
+# dVAR; ${\($self->{WantVersionChk} ?
+ 'dXSBOOTARGSXSAPIVERCHK;' : 'dXSBOOTARGSAPIVERCHK;')}
+##endif
EOF
#Under 5.8.x and lower, newXS is declared in proto.h as expecting a non-const
#file name argument. If the wrong qualifier is used, it causes breakage with
#C++ compilers and warnings with recent gcc.
- #-Wall: if there is no $Full_func_name there are no xsubs in this .xs
+ #-Wall: if there is no $self->{Full_func_name} there are no xsubs in this .xs
#so 'file' is unused
- print Q(<<"EOF") if $Full_func_name;
+ print Q(<<"EOF") if $self->{Full_func_name};
##if (PERL_REVISION == 5 && PERL_VERSION < 9)
# char* file = __FILE__;
##else
# const char* file = __FILE__;
##endif
+#
+# PERL_UNUSED_VAR(file);
EOF
print Q("#\n");
print Q(<<"EOF");
# PERL_UNUSED_VAR(cv); /* -W */
# PERL_UNUSED_VAR(items); /* -W */
-##ifdef XS_APIVERSION_BOOTCHECK
+EOF
+
+ if( $self->{WantVersionChk}){
+ print Q(<<"EOF") ;
+##if PERL_VERSION_LE(5, 21, 5)
+# XS_VERSION_BOOTCHECK;
+## ifdef XS_APIVERSION_BOOTCHECK
# XS_APIVERSION_BOOTCHECK;
+## endif
##endif
+
EOF
+ } else {
+ print Q(<<"EOF") ;
+##if PERL_VERSION_LE(5, 21, 5) && defined(XS_APIVERSION_BOOTCHECK)
+# XS_APIVERSION_BOOTCHECK;
+##endif
- print Q(<<"EOF") if $self->{WantVersionChk};
-# XS_VERSION_BOOTCHECK;
-#
EOF
+ }
- print Q(<<"EOF") if defined $self->{xsubaliases} or defined $self->{interfaces};
+ print Q(<<"EOF") if defined $self->{XsubAliases} or defined $self->{interfaces};
# {
# CV * cv;
#
print Q(<<"EOF") if ($self->{Overload});
# /* register the overloading (type 'A') magic */
+##if (PERL_REVISION == 5 && PERL_VERSION < 9)
# PL_amagic_generation++;
+##endif
# /* The magic for overload gets a GV* via gv_fetchmeth as */
# /* mentioned above, and looks in the SV* slot of it for */
# /* the "fallback" status. */
# sv_setsv(
-# get_sv( "${Package}::()", TRUE ),
+# get_sv( "$self->{Package}::()", TRUE ),
# $self->{Fallback}
# );
EOF
print @{ $self->{InitFileCode} };
- print Q(<<"EOF") if defined $self->{xsubaliases} or defined $self->{interfaces};
+ print Q(<<"EOF") if defined $self->{XsubAliases} or defined $self->{interfaces};
# }
EOF
}
print Q(<<'EOF');
-##if (PERL_REVISION == 5 && PERL_VERSION >= 9)
-# if (PL_unitcheckav)
-# call_list(PL_scopestack_ix, PL_unitcheckav);
-##endif
-EOF
-
- print Q(<<"EOF");
+##if PERL_VERSION_LE(5, 21, 5)
+## if PERL_VERSION_GE(5, 9, 0)
+# if (PL_unitcheckav)
+# call_list(PL_scopestack_ix, PL_unitcheckav);
+## endif
# XSRETURN_YES;
+##else
+# Perl_xs_boot_epilog(aTHX_ ax);
+##endif
#]]
#
EOF
return 1;
}
-sub report_error_count { $self->{errors} }
+sub report_error_count {
+ if (@_) {
+ return $_[0]->{errors}||0;
+ }
+ else {
+ return $Singleton->{errors}||0;
+ }
+}
# Input: ($self, $_, @{ $self->{line} }) == unparsed input.
# Output: ($_, @{ $self->{line} }) == (rest of line, following lines).
print("#line ", $self->{line_no}->[@{ $self->{line_no} } - @{ $self->{line} } -1], " \"",
escape_file_for_line_directive($self->{filepathname}), "\"\n")
if $self->{WantLineNumbers} && !/^\s*#\s*line\b/ && !/^#if XSubPPtmp/;
- for (; defined($_) && !/^$self->{BLOCK_re}/o; $_ = shift(@{ $self->{line} })) {
+ for (; defined($_) && !/^$BLOCK_regexp/o; $_ = shift(@{ $self->{line} })) {
print "$_\n";
$consumed_code .= "$_\n";
}
$_ = shift(@{ $self->{line} });
}
- for (; defined($_) && !/^$self->{BLOCK_re}/o; $_ = shift(@{ $self->{line} })) {
+ for (; defined($_) && !/^$BLOCK_regexp/o; $_ = shift(@{ $self->{line} })) {
$in .= "$_\n";
}
chomp $in;
sub INPUT_handler {
my $self = shift;
$_ = shift;
- for (; !/^$self->{BLOCK_re}/o; $_ = shift(@{ $self->{line} })) {
+ for (; !/^$BLOCK_regexp/o; $_ = shift(@{ $self->{line} })) {
last if /^\s*NOT_IMPLEMENTED_YET/;
next unless /\S/; # skip blank lines
}
}
elsif ($var_init =~ /\S/) {
- output_init( {
+ $self->output_init( {
type => $var_type,
num => $self->{var_num},
var => $var_name,
} );
}
elsif ($self->{var_num}) {
- generate_init( {
+ $self->generate_init( {
type => $var_type,
num => $self->{var_num},
var => $var_name,
$self->{have_OUTPUT} = 1;
$_ = shift;
- for (; !/^$self->{BLOCK_re}/o; $_ = shift(@{ $self->{line} })) {
+ for (; !/^$BLOCK_regexp/o; $_ = shift(@{ $self->{line} })) {
next unless /\S/;
if (/^\s*SETMAGIC\s*:\s*(ENABLE|DISABLE)\s*/) {
$self->{DoSetMagic} = ($1 eq "ENABLE" ? 1 : 0);
print "\tSvSETMAGIC(ST(" , $self->{var_num} - 1 , "));\n" if $self->{DoSetMagic};
}
else {
- generate_output( {
+ $self->generate_output( {
type => $self->{var_types}->{$outarg},
num => $self->{var_num},
var => $outarg,
Warn( $self, "Warning: Aliases '$orig_alias' and '$self->{XsubAliasValues}->{$value}' have identical values")
if $self->{XsubAliasValues}->{$value};
- $self->{xsubaliases} = 1;
$self->{XsubAliases}->{$alias} = $value;
$self->{XsubAliasValues}->{$value} = $orig_alias;
}
my $self = shift;
$_ = shift;
- for (; !/^$self->{BLOCK_re}/o; $_ = shift(@{ $self->{line} })) {
+ for (; !/^$BLOCK_regexp/o; $_ = shift(@{ $self->{line} })) {
next unless /\S/;
trim_whitespace($_);
push @{ $self->{Attributes} }, $_;
my $self = shift;
$_ = shift;
- for (; !/^$self->{BLOCK_re}/o; $_ = shift(@{ $self->{line} })) {
+ for (; !/^$BLOCK_regexp/o; $_ = shift(@{ $self->{line} })) {
next unless /\S/;
trim_whitespace($_);
$self->get_aliases($_) if $_;
my $self = shift;
$_ = shift;
- for (; !/^$self->{BLOCK_re}/o; $_ = shift(@{ $self->{line} })) {
+ for (; !/^$BLOCK_regexp/o; $_ = shift(@{ $self->{line} })) {
next unless /\S/;
trim_whitespace($_);
while ( s/^\s*([\w:"\\)\+\-\*\/\%\<\>\.\&\|\^\!\~\{\}\=]+)\s*//) {
$self->{Overload} = 1 unless $self->{Overload};
- my $overload = "$Package\::(".$1;
+ my $overload = "$self->{Package}\::(".$1;
push(@{ $self->{InitFileCode} },
- " (void)$self->{newXS}(\"$overload\", XS_$Full_func_name, file$self->{proto});\n");
+ " (void)$self->{newXS}(\"$overload\", XS_$self->{Full_func_name}$self->{file}$self->{proto});\n");
}
}
}
sub FALLBACK_handler {
- my $self = shift;
- $_ = shift;
+ my ($self, $setting) = @_;
# the rest of the current line should contain either TRUE,
# FALSE or UNDEF
- trim_whitespace($_);
+ trim_whitespace($setting);
+ $setting = uc($setting);
+
my %map = (
TRUE => "&PL_sv_yes", 1 => "&PL_sv_yes",
FALSE => "&PL_sv_no", 0 => "&PL_sv_no",
);
# check for valid FALLBACK value
- $self->death("Error: FALLBACK: TRUE/FALSE/UNDEF") unless exists $map{uc $_};
+ $self->death("Error: FALLBACK: TRUE/FALSE/UNDEF") unless exists $map{$setting};
- $self->{Fallback} = $map{uc $_};
+ $self->{Fallback} = $map{$setting};
}
sub REQUIRE_handler {
- my $self = shift;
# the rest of the current line should contain a version number
- my $Ver = shift;
+ my ($self, $ver) = @_;
- trim_whitespace($Ver);
+ trim_whitespace($ver);
$self->death("Error: REQUIRE expects a version number")
- unless $Ver;
+ unless $ver;
# check that the version number is of the form n.n
- $self->death("Error: REQUIRE: expected a number, got '$Ver'")
- unless $Ver =~ /^\d+(\.\d*)?/;
+ $self->death("Error: REQUIRE: expected a number, got '$ver'")
+ unless $ver =~ /^\d+(\.\d*)?/;
- $self->death("Error: xsubpp $Ver (or better) required--this is only $VERSION.")
- unless $VERSION >= $Ver;
+ $self->death("Error: xsubpp $ver (or better) required--this is only $VERSION.")
+ unless $VERSION >= $ver;
}
sub VERSIONCHECK_handler {
- my $self = shift;
- $_ = shift;
-
# the rest of the current line should contain either ENABLE or
# DISABLE
+ my ($self, $setting) = @_;
- trim_whitespace($_);
+ trim_whitespace($setting);
# check for ENABLE/DISABLE
$self->death("Error: VERSIONCHECK: ENABLE/DISABLE")
- unless /^(ENABLE|DISABLE)/i;
+ unless $setting =~ /^(ENABLE|DISABLE)/i;
$self->{WantVersionChk} = 1 if $1 eq 'ENABLE';
$self->{WantVersionChk} = 0 if $1 eq 'DISABLE';
$self->death("Error: Only 1 PROTOTYPE definition allowed per xsub")
if $self->{proto_in_this_xsub}++;
- for (; !/^$self->{BLOCK_re}/o; $_ = shift(@{ $self->{line} })) {
+ for (; !/^$BLOCK_regexp/o; $_ = shift(@{ $self->{line} })) {
next unless /\S/;
$specified = 1;
trim_whitespace($_);
}
sub SCOPE_handler {
- my $self = shift;
- $_ = shift;
+ # Rest of line should be either ENABLE or DISABLE
+ my ($self, $setting) = @_;
$self->death("Error: Only 1 SCOPE declaration allowed per xsub")
if $self->{scope_in_this_xsub}++;
- trim_whitespace($_);
+ trim_whitespace($setting);
$self->death("Error: SCOPE: ENABLE/DISABLE")
- unless /^(ENABLE|DISABLE)\b/i;
+ unless $setting =~ /^(ENABLE|DISABLE)\b/i;
$self->{ScopeThisXSUB} = ( uc($1) eq 'ENABLE' );
}
sub PROTOTYPES_handler {
- my $self = shift;
- $_ = shift;
-
# the rest of the current line should contain either ENABLE or
# DISABLE
+ my ($self, $setting) = @_;
- trim_whitespace($_);
+ trim_whitespace($setting);
# check for ENABLE/DISABLE
$self->death("Error: PROTOTYPES: ENABLE/DISABLE")
- unless /^(ENABLE|DISABLE)/i;
+ unless $setting =~ /^(ENABLE|DISABLE)/i;
$self->{WantPrototypes} = 1 if $1 eq 'ENABLE';
$self->{WantPrototypes} = 0 if $1 eq 'DISABLE';
}
sub EXPORT_XSUB_SYMBOLS_handler {
- my $self = shift;
- $_ = shift;
-
# the rest of the current line should contain either ENABLE or
# DISABLE
+ my ($self, $setting) = @_;
- trim_whitespace($_);
+ trim_whitespace($setting);
# check for ENABLE/DISABLE
$self->death("Error: EXPORT_XSUB_SYMBOLS: ENABLE/DISABLE")
- unless /^(ENABLE|DISABLE)/i;
+ unless $setting =~ /^(ENABLE|DISABLE)/i;
my $xs_impl = $1 eq 'ENABLE' ? 'XS_EXTERNAL' : 'XS_INTERNAL';
return join (' ', ($cmd, @args));
}
+# code copied from CPAN::HandleConfig::safe_quote
+# - that has doc saying leave if start/finish with same quote, but no code
+# given text, will conditionally quote it to protect from shell
+{
+ my ($quote, $use_quote) = $^O eq 'MSWin32'
+ ? (q{"}, q{"})
+ : (q{"'}, q{'});
+ sub _safe_quote {
+ my ($self, $command) = @_;
+ # Set up quote/default quote
+ if (defined($command)
+ and $command =~ /\s/
+ and $command !~ /[$quote]/) {
+ return qq{$use_quote$command$use_quote}
+ }
+ return $command;
+ }
+}
+
sub INCLUDE_COMMAND_handler {
my $self = shift;
$_ = shift;
# If $^X is used in INCLUDE_COMMAND, we know it's supposed to be
# the same perl interpreter as we're currently running
- s/^\s*\$\^X/$^X/;
+ my $X = $self->_safe_quote($^X); # quotes if has spaces
+ s/^\s*\$\^X/$X/;
# open the new file
open ($self->{FH}, "-|", $_)
close $self->{FH};
$self->{FH} = $data->{Handle};
- # $filename is the leafname, which for some reason isused for diagnostic
+ # $filename is the leafname, which for some reason is used for diagnostic
# messages, whereas $filepathname is the full pathname, and is used for
# #line directives.
$self->{filename} = $data->{Filename};
$text;
}
+# Process "MODULE = Foo ..." lines and update global state accordingly
+sub _process_module_xs_line {
+ my ($self, $module, $pkg, $prefix) = @_;
+
+ ($self->{Module_cname} = $module) =~ s/\W/_/g;
+
+ $self->{Package} = defined($pkg) ? $pkg : '';
+ $self->{Prefix} = quotemeta( defined($prefix) ? $prefix : '' );
+
+ ($self->{Packid} = $self->{Package}) =~ tr/:/_/;
+
+ $self->{Packprefix} = $self->{Package};
+ $self->{Packprefix} .= "::" if $self->{Packprefix} ne "";
+
+ $self->{lastline} = "";
+}
+
+# Skip any embedded POD sections
+sub _maybe_skip_pod {
+ my ($self) = @_;
+
+ while ($self->{lastline} =~ /^=/) {
+ while ($self->{lastline} = readline($self->{FH})) {
+ last if ($self->{lastline} =~ /^=cut\s*$/);
+ }
+ $self->death("Error: Unterminated pod") unless defined $self->{lastline};
+ $self->{lastline} = readline($self->{FH});
+ chomp $self->{lastline};
+ $self->{lastline} =~ s/^\s+$//;
+ }
+}
+
+# This chunk of code strips out (and parses) embedded TYPEMAP blocks
+# which support a HEREdoc-alike block syntax.
+sub _maybe_parse_typemap_block {
+ my ($self) = @_;
+
+ # This is special cased from the usual paragraph-handler logic
+ # due to the HEREdoc-ish syntax.
+ if ($self->{lastline} =~ /^TYPEMAP\s*:\s*<<\s*(?:(["'])(.+?)\1|([^\s'"]+?))\s*;?\s*$/)
+ {
+ my $end_marker = quotemeta(defined($1) ? $2 : $3);
+
+ # Scan until we find $end_marker alone on a line.
+ my @tmaplines;
+ while (1) {
+ $self->{lastline} = readline($self->{FH});
+ $self->death("Error: Unterminated TYPEMAP section") if not defined $self->{lastline};
+ last if $self->{lastline} =~ /^$end_marker\s*$/;
+ push @tmaplines, $self->{lastline};
+ }
+
+ my $tmap = ExtUtils::Typemaps->new(
+ string => join("", @tmaplines),
+ lineno_offset => 1 + ($self->current_line_number() || 0),
+ fake_filename => $self->{filename},
+ );
+ $self->{typemap}->merge(typemap => $tmap, replace => 1);
+
+ $self->{lastline} = "";
+ }
+}
+
# Read next xsub into @{ $self->{line} } from ($lastline, readline($self->{FH})).
sub fetch_para {
my $self = shift;
if !defined $self->{lastline} && $self->{XSStack}->[-1]{type} eq 'if';
@{ $self->{line} } = ();
@{ $self->{line_no} } = ();
- return $self->PopFile() if !defined $self->{lastline};
+ return $self->PopFile() if not defined $self->{lastline}; # EOF
if ($self->{lastline} =~
- /^MODULE\s*=\s*([\w:]+)(?:\s+PACKAGE\s*=\s*([\w:]+))?(?:\s+PREFIX\s*=\s*(\S+))?\s*$/) {
- my $Module = $1;
- $Package = defined($2) ? $2 : ''; # keep -w happy
- $self->{Prefix} = defined($3) ? $3 : ''; # keep -w happy
- $self->{Prefix} = quotemeta $self->{Prefix};
- ($self->{Module_cname} = $Module) =~ s/\W/_/g;
- ($self->{Packid} = $Package) =~ tr/:/_/;
- $self->{Packprefix} = $Package;
- $self->{Packprefix} .= "::" if $self->{Packprefix} ne "";
- $self->{lastline} = "";
+ /^MODULE\s*=\s*([\w:]+)(?:\s+PACKAGE\s*=\s*([\w:]+))?(?:\s+PREFIX\s*=\s*(\S+))?\s*$/)
+ {
+ $self->_process_module_xs_line($1, $2, $3);
}
for (;;) {
- # Skip embedded PODs
- while ($self->{lastline} =~ /^=/) {
- while ($self->{lastline} = readline($self->{FH})) {
- last if ($self->{lastline} =~ /^=cut\s*$/);
- }
- $self->death("Error: Unterminated pod") unless $self->{lastline};
- $self->{lastline} = readline($self->{FH});
- chomp $self->{lastline};
- $self->{lastline} =~ s/^\s+$//;
- }
-
- # This chunk of code strips out (and parses) embedded TYPEMAP blocks
- # which support a HEREdoc-alike block syntax.
- # This is special cased from the usual paragraph-handler logic
- # due to the HEREdoc-ish syntax.
- if ($self->{lastline} =~ /^TYPEMAP\s*:\s*<<\s*(?:(["'])(.+?)\1|([^\s'"]+))\s*;?\s*$/) {
- my $end_marker = quotemeta(defined($1) ? $2 : $3);
- my @tmaplines;
- while (1) {
- $self->{lastline} = readline($self->{FH});
- $self->death("Error: Unterminated typemap") if not defined $self->{lastline};
- last if $self->{lastline} =~ /^$end_marker\s*$/;
- push @tmaplines, $self->{lastline};
- }
-
- my $tmapcode = join "", @tmaplines;
- my $tmap = ExtUtils::Typemaps->new(
- string => $tmapcode,
- lineno_offset => ($self->current_line_number()||0)+1,
- fake_filename => $self->{filename},
- );
- $self->{typemap}->merge(typemap => $tmap, replace => 1);
-
- $self->{lastline} = "";
- }
-
- if ($self->{lastline} !~ /^\s*#/ ||
- # CPP directives:
- # ANSI: if ifdef ifndef elif else endif define undef
- # line error pragma
- # gcc: warning include_next
- # obj-c: import
- # others: ident (gcc notes that some cpps have this one)
- $self->{lastline} =~ /^#[ \t]*(?:(?:if|ifn?def|elif|else|endif|define|undef|pragma|error|warning|line\s+\d+|ident)\b|(?:include(?:_next)?|import)\s*["<].*[>"])/) {
+ $self->_maybe_skip_pod;
+
+ $self->_maybe_parse_typemap_block;
+
+ if ($self->{lastline} !~ /^\s*#/ # not a CPP directive
+ # CPP directives:
+ # ANSI: if ifdef ifndef elif else endif define undef
+ # line error pragma
+ # gcc: warning include_next
+ # obj-c: import
+ # others: ident (gcc notes that some cpps have this one)
+ || $self->{lastline} =~ /^\#[ \t]*
+ (?:
+ (?:if|ifn?def|elif|else|endif|
+ define|undef|pragma|error|
+ warning|line\s+\d+|ident)
+ \b
+ | (?:include(?:_next)?|import)
+ \s* ["<] .* [>"]
+ )
+ /x
+ )
+ {
last if $self->{lastline} =~ /^\S/ && @{ $self->{line} } && $self->{line}->[-1] eq "";
push(@{ $self->{line} }, $self->{lastline});
push(@{ $self->{line_no} }, $self->{lastline_no});
chomp $self->{lastline};
$self->{lastline} =~ s/^\s+$//;
}
- pop(@{ $self->{line} }), pop(@{ $self->{line_no} }) while @{ $self->{line} } && $self->{line}->[-1] eq "";
- 1;
+
+ # Nuke trailing "line" entries until there's one that's not empty
+ pop(@{ $self->{line} }), pop(@{ $self->{line_no} })
+ while @{ $self->{line} } && $self->{line}->[-1] eq "";
+
+ return 1;
}
sub output_init {
+ my $self = shift;
my $argsref = shift;
- my ($type, $num, $var, $init, $printed_name) = (
- $argsref->{type},
- $argsref->{num},
- $argsref->{var},
- $argsref->{init},
- $argsref->{printed_name}
- );
- my $arg = "ST(" . ($num - 1) . ")";
- if ( $init =~ /^=/ ) {
+ my ($type, $num, $var, $init, $printed_name)
+ = @{$argsref}{qw(type num var init printed_name)};
+
+ # local assign for efficiently passing in to eval_input_typemap_code
+ local $argsref->{arg} = $num
+ ? "ST(" . ($num-1) . ")"
+ : "/* not a parameter */";
+
+ if ( $init =~ /^=/ ) {
if ($printed_name) {
- eval qq/print " $init\\n"/;
+ $self->eval_input_typemap_code(qq/print " $init\\n"/, $argsref);
}
else {
- eval qq/print "\\t$var $init\\n"/;
+ $self->eval_input_typemap_code(qq/print "\\t$var $init\\n"/, $argsref);
}
- warn $@ if $@;
}
else {
if ( $init =~ s/^\+// && $num ) {
- generate_init( {
+ $self->generate_init( {
type => $type,
num => $num,
var => $var,
$init =~ s/^;//;
}
else {
- eval qq/print "\\t$var;\\n"/;
- warn $@ if $@;
+ $self->eval_input_typemap_code(qq/print "\\t$var;\\n"/, $argsref);
$init =~ s/^;//;
}
- $self->{deferred} .= eval qq/"\\n\\t$init\\n"/;
- warn $@ if $@;
+ $self->{deferred}
+ .= $self->eval_input_typemap_code(qq/"\\n\\t$init\\n"/, $argsref);
}
}
sub generate_init {
+ my $self = shift;
my $argsref = shift;
- my ($type, $num, $var, $printed_name) = (
- $argsref->{type},
- $argsref->{num},
- $argsref->{var},
- $argsref->{printed_name},
- );
- my $arg = "ST(" . ($num - 1) . ")";
- my ($argoff, $ntype);
- $argoff = $num - 1;
+
+ my ($type, $num, $var, $printed_name)
+ = @{$argsref}{qw(type num var printed_name)};
+
+ my $argoff = $num - 1;
+ my $arg = "ST($argoff)";
my $typemaps = $self->{typemap};
- $type = tidy_type($type);
- $self->report_typemap_failure($typemaps, $type), return
- unless $typemaps->get_typemap(ctype => $type);
+ $type = ExtUtils::Typemaps::tidy_type($type);
+ if (not $typemaps->get_typemap(ctype => $type)) {
+ $self->report_typemap_failure($typemaps, $type);
+ return;
+ }
+
+ (my $ntype = $type) =~ s/\s*\*/Ptr/g;
+ (my $subtype = $ntype) =~ s/(?:Array)?(?:Ptr)?$//;
- ($ntype = $type) =~ s/\s*\*/Ptr/g;
- my $subtype;
- ($subtype = $ntype) =~ s/(?:Array)?(?:Ptr)?$//;
my $typem = $typemaps->get_typemap(ctype => $type);
my $xstype = $typem->xstype;
- $xstype =~ s/OBJ$/REF/ if $func_name =~ /DESTROY$/;
+ #this is an optimization from perl 5.0 alpha 6, class check is skipped
+ #T_REF_IV_REF is missing since it has no untyped analog at the moment
+ $xstype =~ s/OBJ$/REF/ || $xstype =~ s/^T_REF_IV_PTR$/T_PTRREF/
+ if $self->{func_name} =~ /DESTROY$/;
if ($xstype eq 'T_PV' and exists $self->{lengthof}->{$var}) {
print "\t$var" unless $printed_name;
print " = ($type)SvPV($arg, STRLEN_length_of_$var);\n";
if defined $self->{defaults}->{$var};
return;
}
- $type =~ tr/:/_/ unless $self->{hiertype};
+ $type =~ tr/:/_/ unless $self->{RetainCplusplusHierarchicalTypes};
my $inputmap = $typemaps->get_inputmap(xstype => $xstype);
- $self->blurt("Error: No INPUT definition for type '$type', typekind '" . $type->xstype . "' found"), return
- unless defined $inputmap;
+ if (not defined $inputmap) {
+ $self->blurt("Error: No INPUT definition for type '$type', typekind '" . $type->xstype . "' found");
+ return;
+ }
my $expr = $inputmap->cleaned_code;
# Note: This gruesome bit either needs heavy rethinking or documentation. I vote for the former. --Steffen
if ($expr =~ /DO_ARRAY_ELEM/) {
my $subtypemap = $typemaps->get_typemap(ctype => $subtype);
- $self->report_typemap_failure($typemaps, $subtype), return
- if not $subtypemap;
+ if (not $subtypemap) {
+ $self->report_typemap_failure($typemaps, $subtype);
+ return;
+ }
+
my $subinputmap = $typemaps->get_inputmap(xstype => $subtypemap->xstype);
- $self->blurt("Error: No INPUT definition for type '$subtype', typekind '" . $subtypemap->xstype . "' found"), return
- unless $subinputmap;
+ if (not $subinputmap) {
+ $self->blurt("Error: No INPUT definition for type '$subtype', typekind '" . $subtypemap->xstype . "' found");
+ return;
+ }
+
my $subexpr = $subinputmap->cleaned_code;
$subexpr =~ s/\$type/\$subtype/g;
$subexpr =~ s/ntype/subtype/g;
$subexpr =~ s/\$arg/ST(ix_$var)/g;
$subexpr =~ s/\n\t/\n\t\t/g;
$subexpr =~ s/is not of (.*\")/[arg %d] is not of $1, ix_$var + 1/g;
- $subexpr =~ s/\$var/${var}[ix_$var - $argoff]/;
+ $subexpr =~ s/\$var/${var}\[ix_$var - $argoff]/;
$expr =~ s/DO_ARRAY_ELEM/$subexpr/;
}
if ($expr =~ m#/\*.*scope.*\*/#i) { # "scope" in C comments
$self->{ScopeThisXSUB} = 1;
}
+
+ my $eval_vars = {
+ var => $var,
+ printed_name => $printed_name,
+ type => $type,
+ ntype => $ntype,
+ subtype => $subtype,
+ num => $num,
+ arg => $arg,
+ argoff => $argoff,
+ };
+
if (defined($self->{defaults}->{$var})) {
$expr =~ s/(\t+)/$1 /g;
$expr =~ s/ /\t/g;
print ";\n";
}
else {
- eval qq/print "\\t$var;\\n"/;
- warn $@ if $@;
+ $self->eval_input_typemap_code(qq/print "\\t$var;\\n"/, $eval_vars);
}
if ($self->{defaults}->{$var} eq 'NO_INIT') {
- $self->{deferred} .= eval qq/"\\n\\tif (items >= $num) {\\n$expr;\\n\\t}\\n"/;
+ $self->{deferred} .= $self->eval_input_typemap_code(
+ qq/"\\n\\tif (items >= $num) {\\n$expr;\\n\\t}\\n"/,
+ $eval_vars
+ );
}
else {
- $self->{deferred} .= eval qq/"\\n\\tif (items < $num)\\n\\t $var = $self->{defaults}->{$var};\\n\\telse {\\n$expr;\\n\\t}\\n"/;
+ $self->{deferred} .= $self->eval_input_typemap_code(
+ qq/"\\n\\tif (items < $num)\\n\\t $var = $self->{defaults}->{$var};\\n\\telse {\\n$expr;\\n\\t}\\n"/,
+ $eval_vars
+ );
}
- warn $@ if $@;
}
elsif ($self->{ScopeThisXSUB} or $expr !~ /^\s*\$var =/) {
if ($printed_name) {
print ";\n";
}
else {
- eval qq/print "\\t$var;\\n"/;
- warn $@ if $@;
+ $self->eval_input_typemap_code(qq/print "\\t$var;\\n"/, $eval_vars);
}
- $self->{deferred} .= eval qq/"\\n$expr;\\n"/;
- warn $@ if $@;
+ $self->{deferred}
+ .= $self->eval_input_typemap_code(qq/"\\n$expr;\\n"/, $eval_vars);
}
else {
die "panic: do not know how to handle this branch for function pointers"
if $printed_name;
- eval qq/print "$expr;\\n"/;
- warn $@ if $@;
+ $self->eval_input_typemap_code(qq/print "$expr;\\n"/, $eval_vars);
}
}
sub generate_output {
+ my $self = shift;
my $argsref = shift;
- my ($type, $num, $var, $do_setmagic, $do_push) = (
- $argsref->{type},
- $argsref->{num},
- $argsref->{var},
- $argsref->{do_setmagic},
- $argsref->{do_push}
- );
+ my ($type, $num, $var, $do_setmagic, $do_push)
+ = @{$argsref}{qw(type num var do_setmagic do_push)};
+
my $arg = "ST(" . ($num - ($num != 0)) . ")";
- my $ntype;
my $typemaps = $self->{typemap};
- $type = tidy_type($type);
+ $type = ExtUtils::Typemaps::tidy_type($type);
+ local $argsref->{type} = $type;
+
if ($type =~ /^array\(([^,]*),(.*)\)/) {
print "\t$arg = sv_newmortal();\n";
print "\tsv_setpvn($arg, (char *)$var, $2 * sizeof($1));\n";
}
else {
my $typemap = $typemaps->get_typemap(ctype => $type);
- $self->report_typemap_failure($typemaps, $type), return
- if not $typemap;
+ if (not $typemap) {
+ $self->report_typemap_failure($typemaps, $type);
+ return;
+ }
+
my $outputmap = $typemaps->get_outputmap(xstype => $typemap->xstype);
- $self->blurt("Error: No OUTPUT definition for type '$type', typekind '" . $typemap->xstype . "' found"), return
- unless $outputmap;
- ($ntype = $type) =~ s/\s*\*/Ptr/g;
+ if (not $outputmap) {
+ $self->blurt("Error: No OUTPUT definition for type '$type', typekind '" . $typemap->xstype . "' found");
+ return;
+ }
+
+ (my $ntype = $type) =~ s/\s*\*/Ptr/g;
$ntype =~ s/\(\)//g;
- my $subtype;
- ($subtype = $ntype) =~ s/(?:Array)?(?:Ptr)?$//;
+ (my $subtype = $ntype) =~ s/(?:Array)?(?:Ptr)?$//;
+ my $eval_vars = {%$argsref, subtype => $subtype, ntype => $ntype, arg => $arg};
my $expr = $outputmap->cleaned_code;
if ($expr =~ /DO_ARRAY_ELEM/) {
my $subtypemap = $typemaps->get_typemap(ctype => $subtype);
- $self->report_typemap_failure($typemaps, $subtype), return
- if not $subtypemap;
+ if (not $subtypemap) {
+ $self->report_typemap_failure($typemaps, $subtype);
+ return;
+ }
+
my $suboutputmap = $typemaps->get_outputmap(xstype => $subtypemap->xstype);
- $self->blurt("Error: No OUTPUT definition for type '$subtype', typekind '" . $subtypemap->xstype . "' found"), return
- unless $suboutputmap;
+ if (not $suboutputmap) {
+ $self->blurt("Error: No OUTPUT definition for type '$subtype', typekind '" . $subtypemap->xstype . "' found");
+ return;
+ }
+
my $subexpr = $suboutputmap->cleaned_code;
$subexpr =~ s/ntype/subtype/g;
$subexpr =~ s/\$arg/ST(ix_$var)/g;
- $subexpr =~ s/\$var/${var}[ix_$var]/g;
+ $subexpr =~ s/\$var/${var}\[ix_$var]/g;
$subexpr =~ s/\n\t/\n\t\t/g;
$expr =~ s/DO_ARRAY_ELEM\n/$subexpr/;
- eval "print qq\a$expr\a";
- warn $@ if $@;
+ $self->eval_output_typemap_code("print qq\a$expr\a", $eval_vars);
print "\t\tSvSETMAGIC(ST(ix_$var));\n" if $do_setmagic;
}
elsif ($var eq 'RETVAL') {
- if ($expr =~ /^\t\$arg = new/) {
+ my $orig_arg = $arg;
+ my $indent;
+ my $use_RETVALSV = 1;
+ my $do_mortal = 0;
+ my $do_copy_tmp = 1;
+ my $pre_expr;
+ local $eval_vars->{arg} = $arg = 'RETVALSV';
+ my $evalexpr = $self->eval_output_typemap_code("qq\a$expr\a", $eval_vars);
+
+ if ($expr =~ /^\t\Q$arg\E = new/) {
# We expect that $arg has refcnt 1, so we need to
# mortalize it.
- eval "print qq\a$expr\a";
- warn $@ if $@;
- print "\tsv_2mortal(ST($num));\n";
- print "\tSvSETMAGIC(ST($num));\n" if $do_setmagic;
+ $do_mortal = 1;
+ }
+ # If RETVAL is immortal, don't mortalize it. This code is not perfect:
+ # It won't detect a func or expression that only returns immortals, for
+ # example, this RE must be tried before next elsif.
+ elsif ($evalexpr =~ /^\t\Q$arg\E\s*=\s*(boolSV\(|(&PL_sv_yes|&PL_sv_no|&PL_sv_undef)\s*;)/) {
+ $do_copy_tmp = 0; #$arg will be a ST(X), no SV* RETVAL, no RETVALSV
+ $use_RETVALSV = 0;
}
- elsif ($expr =~ /^\s*\$arg\s*=/) {
+ elsif ($evalexpr =~ /^\s*\Q$arg\E\s*=/) {
# We expect that $arg has refcnt >=1, so we need
# to mortalize it!
- eval "print qq\a$expr\a";
- warn $@ if $@;
- print "\tsv_2mortal(ST(0));\n";
- print "\tSvSETMAGIC(ST(0));\n" if $do_setmagic;
+ $use_RETVALSV = 0 if $ntype eq "SVPtr";#reuse SV* RETVAL vs open new block
+ $do_mortal = 1;
}
else {
# Just hope that the entry would safely write it
# over an already mortalized value. By
- # coincidence, something like $arg = &sv_undef
- # works too.
- print "\tST(0) = sv_newmortal();\n";
- eval "print qq\a$expr\a";
- warn $@ if $@;
+ # coincidence, something like $arg = &PL_sv_undef
+ # works too, but should be caught above.
+ $pre_expr = "RETVALSV = sv_newmortal();\n";
# new mortals don't have set magic
+ $do_setmagic = 0;
+ }
+ if($use_RETVALSV) {
+ print "\t{\n\t SV * RETVALSV;\n";
+ $indent = "\t ";
+ } else {
+ $indent = "\t";
+ }
+ print $indent.$pre_expr if $pre_expr;
+
+ if($use_RETVALSV) {
+ #take control of 1 layer of indent, may or may not indent more
+ $evalexpr =~ s/^(\t| )/$indent/gm;
+ #"\t \t" doesn't draw right in some IDEs
+ #break down all \t into spaces
+ $evalexpr =~ s/\t/ /g;
+ #rebuild back into \t'es, \t==8 spaces, indent==4 spaces
+ $evalexpr =~ s/ /\t/g;
}
+ else {
+ if($do_mortal || $do_setmagic) {
+ #typemap entry evaled with RETVALSV, if we aren't using RETVALSV replace
+ $evalexpr =~ s/RETVALSV/RETVAL/g; #all uses with RETVAL for prettier code
+ }
+ else { #if no extra boilerplate (no mortal, no set magic) is needed
+ #after $evalexport, get rid of RETVALSV's visual cluter and change
+ $evalexpr =~ s/RETVALSV/$orig_arg/g;#the lvalue to ST(X)
+ }
+ }
+ #stop " RETVAL = RETVAL;" for SVPtr type
+ print $evalexpr if $evalexpr !~ /^\s*RETVAL = RETVAL;$/;
+ print $indent.'RETVAL'.($use_RETVALSV ? 'SV':'')
+ .' = sv_2mortal(RETVAL'.($use_RETVALSV ? 'SV':'').");\n" if $do_mortal;
+ print $indent.'SvSETMAGIC(RETVAL'.($use_RETVALSV ? 'SV':'').");\n" if $do_setmagic;
+ #dont do "RETVALSV = boolSV(RETVAL); ST(0) = RETVALSV;", it is visual clutter
+ print $indent."$orig_arg = RETVAL".($use_RETVALSV ? 'SV':'').";\n"
+ if $do_mortal || $do_setmagic || $do_copy_tmp;
+ print "\t}\n" if $use_RETVALSV;
}
elsif ($do_push) {
print "\tPUSHs(sv_newmortal());\n";
- $arg = "ST($num)";
- eval "print qq\a$expr\a";
- warn $@ if $@;
+ local $eval_vars->{arg} = "ST($num)";
+ $self->eval_output_typemap_code("print qq\a$expr\a", $eval_vars);
print "\tSvSETMAGIC($arg);\n" if $do_setmagic;
}
elsif ($arg =~ /^ST\(\d+\)$/) {
- eval "print qq\a$expr\a";
- warn $@ if $@;
+ $self->eval_output_typemap_code("print qq\a$expr\a", $eval_vars);
print "\tSvSETMAGIC($arg);\n" if $do_setmagic;
}
}
}
+
+# Just delegates to a clean package.
+# Shim to evaluate Perl code in the right variable context
+# for typemap code (having things such as $ALIAS set up).
+sub eval_output_typemap_code {
+ my ($self, $code, $other) = @_;
+ return ExtUtils::ParseXS::Eval::eval_output_typemap_code($self, $code, $other);
+}
+
+sub eval_input_typemap_code {
+ my ($self, $code, $other) = @_;
+ return ExtUtils::ParseXS::Eval::eval_input_typemap_code($self, $code, $other);
+}
+
1;
# vim: ts=2 sw=2 et: