$BLOCK_re= '\s*(' . join('|', qw(
REQUIRE BOOT CASE PREINIT INPUT INIT CODE PPCODE OUTPUT
CLEANUP ALIAS PROTOTYPES PROTOTYPE VERSIONCHECK INCLUDE
- SCOPE INTERFACE INTERFACE_MACRO C_ARGS
+ SCOPE INTERFACE INTERFACE_MACRO C_ARGS POST_CALL
)) . "|$END)\\s*:";
# Input: ($_, @line) == unparsed input.
s/^(\s*)($_[0])\s*:\s*(?:#.*)?/$1/s && $2;
}
+my ($C_group_rex, $C_arg);
+# Group in C (no support for comments or literals)
+$C_group_rex = qr/ [({\[]
+ (?: (?> [^()\[\]{}]+ ) | (?p{ $C_group_rex }) )*
+ [)}\]] /x ;
+# Chunk in C without comma at toplevel (no comments):
+$C_arg = qr/ (?: (?> [^()\[\]{},"']+ )
+ | (?p{ $C_group_rex })
+ | " (?: (?> [^\\"]+ )
+ | \\.
+ )* " # String literal
+ | ' (?: (?> [^\\']+ ) | \\. )* ' # Char literal
+ )* /xs;
if ($WantLineNumbers) {
{
$_ = '' ;
}
+my $process_inout = 1;
+my $process_argtypes = 1;
+
sub INPUT_handler {
for (; !/^$BLOCK_re/o; $_ = shift(@line)) {
last if /^\s*NOT_IMPLEMENTED_YET/;
# Check for duplicate definitions
blurt ("Error: duplicate definition of argument '$var_name' ignored"), next
- if $arg_list{$var_name} ++ ;
+ if $arg_list{$var_name}++
+ or defined $arg_types{$var_name} and not $processing_arg_with_types;
$thisdone |= $var_name eq "THIS";
$retvaldone |= $var_name eq "RETVAL";
$var_addr{$var_name} = 1;
$func_args =~ s/\b($var_name)\b/&$1/;
}
- if ($var_init =~ /^[=;]\s*NO_INIT\s*;?\s*$/) {
+ if ($var_init =~ /^[=;]\s*NO_INIT\s*;?\s*$/
+ or $in_out{$var_name} and $in_out{$var_name} eq 'outlist'
+ and $var_init !~ /\S/) {
if ($name_printed) {
print ";\n";
} else {
sub CLEANUP_handler() { print_section() }
sub PREINIT_handler() { print_section() }
+sub POST_CALL_handler() { print_section() }
sub INIT_handler() { print_section() }
sub GetAliases
my $tmp_line;
$lastline .= $tmp_line
while ($lastline =~ /\\$/ && defined($tmp_line = <$FH>));
-
+
chomp $lastline;
$lastline =~ s/^\s+$//;
}
undef($static);
undef($elipsis);
undef($wantRETVAL) ;
+ undef($RETVAL_no_return) ;
undef(%arg_list) ;
undef(@proto_arg) ;
+ undef(@arg_with_types) ;
+ undef($processing_arg_with_types) ;
+ undef(%arg_types) ;
+ undef(@in_out) ;
+ undef(%in_out) ;
undef($proto_in_this_xsub) ;
undef($scope_in_this_xsub) ;
undef($interface);
+ undef($prepush_done);
$interface_macro = 'XSINTERFACE_FUNC' ;
$interface_macro_set = 'XSINTERFACE_FUNC_SET' ;
$ProtoThisXSUB = $WantPrototypes ;
$ScopeThisXSUB = 0;
+ $xsreturn = 0;
$_ = shift(@line);
while ($kwd = check_keyword("REQUIRE|PROTOTYPES|VERSIONCHECK|INCLUDE")) {
# extract return type, function name and arguments
($ret_type) = TidyType($_);
+ $RETVAL_no_return = 1 if $ret_type =~ s/^NO_OUTPUT\s+//;
# a function definition needs at least 2 lines
blurt ("Error: Function definition too short '$ret_type'"), next PARAGRAPH
$func_header = shift(@line);
blurt ("Error: Cannot parse function definition from '$func_header'"), next PARAGRAPH
- unless $func_header =~ /^(?:([\w:]*)::)?(\w+)\s*\(\s*(.*?)\s*\)\s*(const)?\s*$/s;
+ unless $func_header =~ /^(?:([\w:]*)::)?(\w+)\s*\(\s*(.*?)\s*\)\s*(const)?\s*(;\s*)?$/s;
($class, $func_name, $orig_args) = ($1, $2, $3) ;
$class = "$4 $class" if $4;
%XsubAliases = %XsubAliasValues = %Interfaces = ();
$DoSetMagic = 1;
- my $temp_args = $orig_args;
- $temp_args =~ s/\\\s*//g;
- @args = split(/\s*,\s*/, $temp_args);
+ $orig_args =~ s/\\\s*/ /g; # process line continuations
+
+ my %out_vars;
+ if ($process_argtypes and $orig_args =~ /\S/) {
+ my $args = "$orig_args ,";
+ if ($args =~ /^( (?p{ $C_arg }) , )* $ /x) {
+ @args = ($args =~ /\G ( (?p{ $C_arg }) ) , /xg);
+ for ( @args ) {
+ s/^\s+//;
+ s/\s+$//;
+ my $arg = $_;
+ my $default;
+ ($arg, $default) = / ( [^=]* ) ( (?: = .* )? ) /x;
+ my ($pre, $name) = ($arg =~ /(.*?) \s* \b(\w+) \s* $ /x);
+ next unless length $pre;
+ my $out_type;
+ my $inout_var;
+ if ($process_inout and s/^(in|in_outlist|outlist)\s+//) {
+ my $type = $1;
+ $out_type = $type if $type ne 'in';
+ $arg =~ s/^(in|in_outlist|outlist)\s+//;
+ }
+ if (/\W/) { # Has a type
+ push @arg_with_types, $arg;
+ # warn "pushing '$arg'\n";
+ $arg_types{$name} = $arg;
+ $_ = "$name$default";
+ }
+ $out_vars{$_} = 1 if $out_type eq 'outlist';
+ push @in_out, $name if $out_type;
+ $in_out{$name} = $out_type if $out_type;
+ }
+ } else {
+ @args = split(/\s*,\s*/, $orig_args);
+ Warn("Warning: cannot parse argument list '$orig_args', fallback to split");
+ }
+ } else {
+ @args = split(/\s*,\s*/, $orig_args);
+ for (@args) {
+ if ($process_inout and s/^(in|in_outlist|outlist)\s+//) {
+ my $out_type = $1;
+ next if $out_type eq 'in';
+ $out_vars{$_} = 1 if $out_type eq 'outlist';
+ push @in_out, $name;
+ $in_out{$_} = $out_type;
+ }
+ }
+ }
if (defined($class)) {
my $arg0 = ((defined($static) or $func_name eq 'new')
? "CLASS" : "THIS");
unshift(@args, $arg0);
- ($orig_args = "$arg0, $orig_args") =~ s/^$arg0, $/$arg0/;
+ ($report_args = "$arg0, $report_args") =~ s/^\w+, $/$arg0/;
}
- $orig_args =~ s/"/\\"/g;
- $min_args = $num_args = @args;
- foreach $i (0..$num_args-1) {
+ my $extra_args = 0;
+ @args_num = ();
+ $num_args = 0;
+ my $report_args = '';
+ foreach $i (0 .. $#args) {
if ($args[$i] =~ s/\.\.\.//) {
$elipsis = 1;
- $min_args--;
- if ($args[$i] eq '' && $i == $num_args - 1) {
+ if ($args[$i] eq '' && $i == $#args) {
+ $report_args .= ", ...";
pop(@args);
last;
}
}
+ if ($out_vars{$args[$i]}) {
+ push @args_num, undef;
+ } else {
+ push @args_num, ++$num_args;
+ $report_args .= ", $args[$i]";
+ }
if ($args[$i] =~ /^([^=]*[^\s=])\s*=\s*(.*)/s) {
- $min_args--;
+ $extra_args++;
$args[$i] = $1;
$defaults{$args[$i]} = $2;
$defaults{$args[$i]} =~ s/"/\\"/g;
}
$proto_arg[$i+1] = "\$" ;
}
- if (defined($class)) {
- $func_args = join(", ", @args[1..$#args]);
- } else {
- $func_args = join(", ", @args);
+ $min_args = $num_args - $extra_args;
+ $report_args =~ s/"/\\"/g;
+ $report_args =~ s/^,\s+//;
+ my @func_args = @args;
+ shift @func_args if defined($class);
+
+ for (@func_args) {
+ s/^/&/ if $in_out{$_};
}
- @args_match{@args} = 1..@args;
+ $func_args = join(", ", @func_args);
+ @args_match{@args} = @args_num;
$PPCODE = grep(/^\s*PPCODE\s*:/, @line);
$CODE = grep(/^\s*CODE\s*:/, @line);
$ALIAS = grep(/^\s*ALIAS\s*:/, @line);
$INTERFACE = grep(/^\s*INTERFACE\s*:/, @line);
+ $xsreturn = 1 if $EXPLICIT_RETURN;
+
# print function header
print Q<<"EOF";
#XS(XS_${Full_func_name})
if ($ALIAS)
{ print Q<<"EOF" if $cond }
# if ($cond)
-# Perl_croak(aTHX_ "Usage: %s($orig_args)", GvNAME(CvGV(cv)));
+# Perl_croak(aTHX_ "Usage: %s($report_args)", GvNAME(CvGV(cv)));
EOF
else
{ print Q<<"EOF" if $cond }
# if ($cond)
-# Perl_croak(aTHX_ "Usage: $pname($orig_args)");
+# Perl_croak(aTHX_ "Usage: $pname($report_args)");
EOF
print Q<<"EOF" if $PPCODE;
if $WantOptimize and $targetable{$type_kind{$ret_type}};
}
+ if (@arg_with_types) {
+ unshift @line, @arg_with_types, $_;
+ $_ = "";
+ $processing_arg_with_types = 1;
+ INPUT_handler() ;
+ }
print $deferred;
process_keyword("INIT|ALIAS|PROTOTYPE|INTERFACE_MACRO|INTERFACE|C_ARGS") ;
}
# do output variables
- $gotRETVAL = 0;
- undef $RETVAL_code ;
+ $gotRETVAL = 0; # 1 if RETVAL seen in OUTPUT section;
+ undef $RETVAL_code ; # code to set RETVAL (from OUTPUT section);
+ # $wantRETVAL set if 'RETVAL =' autogenerated
+ ($wantRETVAL, $ret_type) = (0, 'void') if $RETVAL_no_return;
undef %outargs ;
- process_keyword("OUTPUT|ALIAS|PROTOTYPE");
+ process_keyword("POST_CALL|OUTPUT|ALIAS|PROTOTYPE");
# all OUTPUT done, so now push the return value on the stack
if ($gotRETVAL && $RETVAL_code) {
warn $@ if $@;
print "\tsv_setpv(TARG, $what); XSprePUSH; PUSHTARG;\n";
+ $prepush_done = 1;
}
elsif ($t) {
my $what = eval qq("$t->[2]");
$size = eval qq("$size");
warn $@ if $@;
print "\tXSprePUSH; PUSH$t->[0]($what$size);\n";
+ $prepush_done = 1;
}
else {
# RETVAL almost never needs SvSETMAGIC()
}
}
+ $xsreturn = 1 if $ret_type ne "void";
+ my $num = $xsreturn;
+ my $c = @in_out;
+ print "\tXSprePUSH;" if $c and not $prepush_done;
+ print "\tEXTEND(SP,$c);\n" if $c;
+ $xsreturn += $c;
+ generate_output($var_types{$_}, $num++, $_, 0, 1) for @in_out;
+
# do cleanup
process_keyword("CLEANUP|ALIAS|PROTOTYPE") ;
# Perl_croak(aTHX_ errbuf);
EOF
- if ($ret_type ne "void" or $EXPLICIT_RETURN) {
+ if ($xsreturn) {
print Q<<EOF unless $PPCODE;
-# XSRETURN(1);
+# XSRETURN($xsreturn);
EOF
} else {
print Q<<EOF unless $PPCODE;
}
sub generate_output {
- local($type, $num, $var, $do_setmagic) = @_;
+ local($type, $num, $var, $do_setmagic, $do_push) = @_;
local($arg) = "ST(" . ($num - ($num != 0)) . ")";
local($argoff) = $num - 1;
local($ntype);
# mortalize it.
eval "print qq\a$expr\a";
warn $@ if $@;
- print "\tsv_2mortal(ST(0));\n";
- print "\tSvSETMAGIC(ST(0));\n" if $do_setmagic;
+ print "\tsv_2mortal(ST($num));\n";
+ print "\tSvSETMAGIC(ST($num));\n" if $do_setmagic;
}
elsif ($expr =~ /^\s*\$arg\s*=/) {
# We expect that $arg has refcnt >=1, so we need
# new mortals don't have set magic
}
}
+ elsif ($do_push) {
+ print "\tPUSHs(sv_newmortal());\n";
+ $arg = "ST($num)";
+ eval "print qq\a$expr\a";
+ warn $@ if $@;
+ print "\tSvSETMAGIC($arg);\n" if $do_setmagic;
+ }
elsif ($arg =~ /^ST\(\d+\)$/) {
eval "print qq\a$expr\a";
warn $@ if $@;
projects / p5sagit/p5-mst-13.2.git / commitdiff