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(
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, $ALIAS,
-);
+our ($C_group_rex, $C_arg);
+BEGIN {
+ # 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;
+}
-our $self = bless {} => __PACKAGE__;
+sub new {
+ return bless {} => shift;
+}
-sub process_file {
+our $Singleton = __PACKAGE__->new;
- # Allow for $package->process_file(%hash) in the future
- my ($pkg, %options) = @_ % 2 ? @_ : (__PACKAGE__, @_);
+sub process_file {
+ my $self;
+ # Allow for $package->process_file(%hash), $obj->process_file, and process_file()
+ if (@_ % 2) {
+ my $invocant = shift;
+ if (ref($invocant)) {
+ $self = $invocant;
+ }
+ else {
+ $self = $invocant->new;
+ }
+ }
+ else {
+ $self = $Singleton;
+ }
+ my %options = @_;
$self->{ProtoUsed} = exists $options{prototypes};
# Set defaults.
join('|' => @ExtUtils::ParseXS::Constants::XSKeywords) .
"|$END)\\s*:";
- our ($C_group_rex, $C_arg);
- if (not defined $C_group_rex) {
- # 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
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 $_;
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}++;
+ $self->{XSStack}->[$XSS_work_idx]{functions}{ $self->{Full_func_name} }++;
%{ $self->{XsubAliases} } = ();
%{ $self->{XsubAliasValues} } = ();
%{ $self->{Interfaces} } = ();
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 *";
$self->{var_types}->{"THIS"} = "$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'}//
+ $self->{func_name} =~ s/^\Q$args{'s'}//
if exists $args{'s'};
- $func_name = 'XSFUNCTION' if $self->{interface};
- print "$func_name($self->{func_args});\n";
+ $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 => $_,
elsif ($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 $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 $@;
+ my $what = $self->eval_output_typemap_code(
+ qq("$t->{what}"),
+ {var => $var, type => $self->{ret_type}}
+ );
print "\tsv_setpv(TARG, $what); XSprePUSH; PUSHTARG;\n";
$prepush_done = 1;
}
elsif ($t) {
- my $what = eval qq("$t->{what}");
- warn $@ if $@;
+ my $what = $self->eval_output_typemap_code(
+ qq("$t->{what}"),
+ {var => $var, type => $self->{ret_type}}
+ );
my $tsize = $t->{what_size};
$tsize = '' unless defined $tsize;
- $tsize = eval qq("$tsize");
- warn $@ if $@;
+ $tsize = $self->eval_output_typemap_code(
+ qq("$tsize"),
+ {var => $var, type => $self->{ret_type}}
+ );
print "\tXSprePUSH; PUSH$t->{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 => $_,
}
if (%{ $self->{XsubAliases} }) {
- $self->{XsubAliases}->{$pname} = 0
- unless defined $self->{XsubAliases}->{$pname};
+ $self->{XsubAliases}->{ $self->{pname} } = 0
+ unless defined $self->{XsubAliases}->{ $self->{pname} };
while ( my ($xname, $value) = each %{ $self->{XsubAliases} }) {
push(@{ $self->{InitFileCode} }, Q(<<"EOF"));
-# cv = $self->{newXS}(\"$xname\", XS_$Full_func_name, file$self->{proto});
+# cv = $self->{newXS}(\"$xname\", XS_$self->{Full_func_name}, file$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_$self->{Full_func_name}, file$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 =~ /::/;
+ $yname = "$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_$self->{Full_func_name}, file$self->{proto});
# $self->{interface_macro_set}(cv,$value);
EOF
}
}
elsif($self->{newXS} eq 'newXS'){ # 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_$self->{Full_func_name}, file$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}, 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, file$self->{proto});
MAKE_FETCHMETHOD_WORK
}
#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 $self->{Full_func_name};
##if (PERL_REVISION == 5 && PERL_VERSION < 9)
# char* file = __FILE__;
##else
# /* mentioned above, and looks in the SV* slot of it for */
# /* the "fallback" status. */
# sv_setsv(
-# get_sv( "${Package}::()", TRUE ),
+# get_sv( "$self->{Package}::()", TRUE ),
# $self->{Fallback}
# );
EOF
return 1;
}
-sub report_error_count { $self->{errors} }
+sub report_error_count {
+ if (@_) {
+ return $_[0]->{errors}||0;
+ }
+ else {
+ return $Singleton->{errors}||0;
+ }
+}
# Input: ($self, $_, @{ $self->{line} }) == unparsed input.
# Output: ($_, @{ $self->{line} }) == (rest of line, following lines).
}
}
elsif ($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,
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 => $outarg,
trim_whitespace($_);
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}, file$self->{proto});\n");
}
}
}
if ($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->{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->{Packid} = $self->{Package}) =~ tr/:/_/;
+ $self->{Packprefix} = $self->{Package};
$self->{Packprefix} .= "::" if $self->{Packprefix} ne "";
$self->{lastline} = "";
}
}
sub output_init {
+ my $self = shift;
my $argsref = shift;
+
my ($type, $num, $var, $init, $printed_name) = (
$argsref->{type},
$argsref->{num},
$argsref->{init},
$argsref->{printed_name}
);
- my $arg = $num ? "ST(" . ($num - 1) . ")" : "/* not a parameter */";
+ # 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 $argoff = $num - 1;
my $typemaps = $self->{typemap};
$self->report_typemap_failure($typemaps, $type), return
unless $typemaps->get_typemap(ctype => $type);
- ($ntype = $type) =~ s/\s*\*/Ptr/g;
- my $subtype;
- ($subtype = $ntype) =~ s/(?:Array)?(?:Ptr)?$//;
+ (my $ntype = $type) =~ s/\s*\*/Ptr/g;
+ (my $subtype = $ntype) =~ s/(?:Array)?(?:Ptr)?$//;
+
my $typem = $typemaps->get_typemap(ctype => $type);
my $xstype = $typem->xstype;
- $xstype =~ s/OBJ$/REF/ if $func_name =~ /DESTROY$/;
+ $xstype =~ s/OBJ$/REF/ 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 ($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->{do_push}
);
my $arg = "ST(" . ($num - ($num != 0)) . ")";
- my $ntype;
my $typemaps = $self->{typemap};
$type = tidy_type($type);
+ local $argsref->{type} = $type;
+
if ($type =~ /^array\(([^,]*),(.*)\)/) {
print "\t$arg = sv_newmortal();\n";
print "\tsv_setpvn($arg, (char *)$var, $2 * sizeof($1));\n";
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;
+ (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);
$subexpr =~ s/\$var/${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/) {
# We expect that $arg has refcnt 1, so we need to
# mortalize it.
- eval "print qq\a$expr\a";
- warn $@ if $@;
+ $self->eval_output_typemap_code("print qq\a$expr\a", $eval_vars);
print "\tsv_2mortal(ST($num));\n";
print "\tSvSETMAGIC(ST($num));\n" if $do_setmagic;
}
elsif ($expr =~ /^\s*\$arg\s*=/) {
# We expect that $arg has refcnt >=1, so we need
# to mortalize it!
- eval "print qq\a$expr\a";
- warn $@ if $@;
+ $self->eval_output_typemap_code("print qq\a$expr\a", $eval_vars);
print "\tsv_2mortal(ST(0));\n";
print "\tSvSETMAGIC(ST(0));\n" if $do_setmagic;
}
# coincidence, something like $arg = &sv_undef
# works too.
print "\tST(0) = sv_newmortal();\n";
- eval "print qq\a$expr\a";
- warn $@ if $@;
+ $self->eval_output_typemap_code("print qq\a$expr\a", $eval_vars);
# new mortals don't have set magic
}
}
elsif ($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: