Affix

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lib/Affix/Wrap.pm  view on Meta::CPAN

package Affix::Wrap v1.0.9 {
    use v5.40;
    use feature 'class';
    no warnings 'experimental::class';
    no warnings 'experimental::builtin';
    use Path::Tiny;
    use Capture::Tiny qw[capture];
    use JSON::PP;
    use File::Basename qw[basename];
    use Affix          qw[];
    #
    class    #
        Affix::Wrap::Type {
        use Affix qw[Void];
        field $name : reader : param //= 'void';
        method to_string { $self->name }
        use overload '""' => 'to_string', fallback => 1;

        # Factory method to parse a C type string into objects
        sub parse ( $class, $t ) {
            return $class->new( name => 'void' ) unless defined $t;

            # Cleanup attributes and whitespace
            $t =~ s/__attribute__\s*\(\(.*\)\)//g;
            $t =~ s/^\s+|\s+$//g;

            # Function Pointer: Ret (*)(Args)
            if ( $t =~ /^(.+?)\s*\(\*\)\s*\((.*)\)$/ ) {
                my $ret_str  = $1;
                my $args_str = $2;
                my $ret      = $class->parse($ret_str);
                my @args;
                if ( $args_str ne '' && $args_str ne 'void' ) {
                    @args = map { $class->parse($_) } split( /\s*,\s*/, $args_str );
                }
                return Affix::Wrap::Type::CodeRef->new( ret => $ret, params => \@args );
            }
            if ( $t =~ /^(.*)\s*\[(\d+)\]$/ ) {
                return Affix::Wrap::Type::Array->new( of => $class->parse($1), count => $2 );
            }
            $t =~ s/(\*)\s*(?:const|restrict)\s*$/$1/;
            $t =~ /^(.+)\s*\*$/ ? Affix::Wrap::Type::Pointer->new( of => $class->parse($1) ) : $class->new( name => $t );
        }

        method affix_type {
            my $t = $self->name;
            $t =~ s/^(?:struct|union|enum)\s+//;
            $t =~ s/consts?\s+//g;
            $t =~ s/(\s+\**)const$/$1/g;
            $t =~ s/(\s+\**)restrict$/$1/g;
            $t =~ s/\s+$//;
            #
            state $type_map //= {
                void                 => 'Void',
                bool                 => 'Bool',
                short                => 'Short',
                'unsigned short'     => 'UShort',
                char                 => 'Char',
                'signed char'        => 'SChar',
                'unsigned char'      => 'UChar',
                int                  => 'Int',
                'unsigned int'       => 'UInt',
                long                 => 'Long',
                'unsigned long'      => 'ULong',
                'long long'          => 'LongLong',
                'unsigned long long' => 'ULongLong',
                float                => 'Float',
                double               => 'Double',
                'long double'        => 'LongDouble',
                int8_t               => 'Int8',
                sint8_t              => 'SInt8',
                uint8_t              => 'UInt8',
                int16_t              => 'Int16',
                sint16_t             => 'SInt16',
                uint16_t             => 'UInt16',
                int32_t              => 'Int32',
                sint32_t             => 'SInt32',
                uint32_t             => 'UInt32',
                int64_t              => 'Int64',
                sint64_t             => 'SInt64',
                uint64_t             => 'UInt64',
                int128_t             => 'Int128',
                sint128_t            => 'SInt128',
                uint128_t            => 'UInt128',
                size_t               => 'Size_t',
                ssize_t              => 'SSize_t',
                ptrdiff_t            => 'SSize_t',
                wchar_t              => 'WChar',
                time_t               => 'Int64',
                '...'                => 'VarArgs',
                'va_list'            => 'VarArgs',
                '__builtin_va_list'  => 'VarArgs',      # Clang

                #
                'char[]'  => 'String',
                'file*'   => 'File',
                file      => 'Void',                    # Fixes FILE* -> Pointer[Void]
                'time_t'  => 'Int64',                   # Standard timestamp
                'jmp_buf' => 'Void',                    # Opaque handle for setjmp
                '_jbtype' => 'Void',                    # Internal jmp_buf typedef

                # 'tm' (struct tm) is undefined because we skip system headers.
                # Mapping to Void ensures 'struct tm *' becomes 'Pointer[Void]'
                'tm'        => Affix::Pointer( [Void] ),
                'struct tm' => Affix::Pointer( [Void] )
            };

            # Case-insensitive lookup (handled by existing code)
            return $type_map->{ lc $t } if defined $type_map->{ lc $t };
            return "'$t'"               if $t =~ /^[a-z_]\w*$/i;
            warn "WARNING: Unknown C type '$t' mapped to Void\n";
            'Void';
        }

        method affix {
            use Affix qw[Void];
            my $type_str = $self->affix_type;

            # Case 1: Simple named type (e.g. "Int", "UChar")
            if ( $type_str =~ /^(\w+)$/ ) {
                no strict 'refs';
                my $fn = "Affix::$type_str";
                return $fn->() if defined &{$fn};    # Return Affix::Int() object
                return '@' . $type_str;              # Return string "@png_byte"
            }

            # Case 2: Complex string (e.g. "Pointer[Void]")
            # We return the string directly so Affix::affix() can parse it
            return $type_str;
        }
    }
    class    #
        Affix::Wrap::Type::Pointer : isa(Affix::Wrap::Type) {
        use Affix qw[Pointer];
        field $of : reader : param;
        method name       { $of->name . '*' }
        method affix_type { 'Pointer[' . $of->affix_type . ']' }
        method affix      { Pointer [ $of->affix ] }
        };
    class    #
        Affix::Wrap::Type::Array : isa(Affix::Wrap::Type) {
        use Affix qw[Array];
        field $of    : reader : param;
        field $count : reader : param;
        method name       { $of->name . "[" . $count . "]" }
        method affix_type { sprintf( 'Array[%s, %d]', $of->affix_type, $count ) }
        method affix      { Array [ $of->affix, $count ] }
        };
    class    #
        Affix::Wrap::Type::CodeRef : isa(Affix::Wrap::Type) {
        use Affix qw[Callback];
        field $ret    : reader : param;
        field $params : reader : param;    # ArrayRef of Types

        method name {
            sprintf '%s (*)(%s)', $ret->name, join( ', ', map { $_->name } @$params );
        }

        method affix_type {
            sprintf 'Callback[[%s] => %s]', join( ', ', map { $_->affix_type } @$params ), $ret->affix_type;
        }

        method affix {
            Callback [ [ map { $_->affix } @$params ], $ret->affix ];
        }
        };
    class    #
        Affix::Wrap::Argument {
        field $type : reader : param;
        field $name : reader : param //= '';
        method to_string { length($name) ? $type->to_string . ' ' . $name : $type->to_string }
        use overload '""' => 'to_string', fallback => 1;
        method affix_type { $type->affix_type }
        method affix      { $type->affix }
    }
    class    #
        Affix::Wrap::Entity {
        field $name         : reader : param //= '';
        field $doc          : reader : param //= ();
        field $file         : reader : param //= '';
        field $line         : reader : param //= 0;
        field $end_line     : reader : param //= 0;
        field $start_offset : reader : param //= 0;
        field $end_offset   : reader : param //= 0;
        field $is_merged    : reader = 0;
        field $doc_data = undef;
        method mark_merged { $is_merged = 1 }
        method _base($p)   { return '' unless defined $p; $p =~ s{^.*[/\\]}{}; return $p }

        method describe {
            return sprintf '[%s] %s (%s:%d)', __CLASS__ =~ s/^Affix::Wrap:://r, $name, $self->_base($file), $line;
        }

        # Helper to convert Doxygen/Markdown to POD
        method _format_pod($text) {
            $text =~ s/^\s+|\s+$//g;
            $text =~ s/`([^`]+)`/C<$1>/g;                     # Code blocks: `code` -> C<code>
            $text =~ s/\*\*([^*]+)\*\*/B<$1>/g;               # Bold: **text** -> B<text>
            $text =~ s/\*([^*]+)\*/I<$1>/g;                   # Italic: *text* -> I<text>
            $text =~ s/\[([^\]]+)\]\(([^)]+)\)/L<$1|$2>/g;    # Links: [foo](bar) -> L<foo|bar>
            return $text;
        }

        method parse_doc () {
            return $doc_data if defined $doc_data;
            my $raw           = $doc // '';
            my $data          = { brief => '', desc => '', params => {}, return => '', };
            my @lines         = split /\n/, $raw;
            my $current_tag   = 'desc';
            my $current_param = undef;
            foreach my $line (@lines) {
                $line =~ s/^\s+|\s+$//g;
                next unless length $line;
                if ( $line =~ /^[@\\]brief\s+(.*)/ ) {
                    $data->{brief} = $1;
                    $current_tag = 'brief';
                }
                elsif ( $line =~ /^[@\\]param(?:\[.*?\])?\s+(\w+)\s+(.*)/ ) {
                    $data->{params}{$1} = $2;
                    $current_param      = $1;
                    $current_tag        = 'param';
                }
                elsif ( $line =~ /^[@\\]returns?\s+(.*)/ ) {
                    $data->{return} = $1;
                    $current_tag = 'return';
                }
                elsif ( $line =~ /^[@\\](\w+)\s*(.*)/ ) {
                    my $tag = ucfirst($1);
                    $data->{desc} .= "\n\nB<$tag:> $2";
                    $current_tag = 'desc';
                }
                else {
                    if    ( $current_tag eq 'brief' )                           { $data->{brief}                  .= ' ' . $line; }
                    elsif ( $current_tag eq 'param' && defined $current_param ) { $data->{params}{$current_param} .= ' ' . $line; }
                    elsif ( $current_tag eq 'return' )                          { $data->{return}                 .= ' ' . $line; }
                    else                                                        { $data->{desc} .= ( length( $data->{desc} ) ? "\n" : '' ) . $line; }
                }
            }
            if ( length( $data->{brief} ) == 0 && length( $data->{desc} ) > 0 ) {
                if ( $data->{desc} =~ s/^(.+?\.)\s+//s ) { $data->{brief} = $1; }
            }
            return $doc_data = $data;
        }

        method pod {
            my $d   = $self->parse_doc;
            my $out = '=head2 ' . $self->name . "\n\n";
            $out .= $self->_format_pod( $d->{brief} ) . "\n\n" if length $d->{brief};
            $out .= $self->_format_pod( $d->{desc} ) . "\n\n"  if length $d->{desc};

            # Format parameters
            if ( keys %{ $d->{params} } ) {
                $out .= "=over\n\n";
                my @param_names = sort keys %{ $d->{params} };

                # If we have args metadata (e.g. Function), use it for ordering
                if ( $self->can('args') && ref( $self->args ) eq 'ARRAY' ) {
                    @param_names = map { $_->name } grep { exists $d->{params}{ $_->name } } @{ $self->args };

                    # Fallback for params documented but not in signature (rare but possible in C macros/varargs)
                    my %seen = map { $_ => 1 } @param_names;
                    push @param_names, grep { !$seen{$_} } sort keys %{ $d->{params} };
                }
                for my $name (@param_names) {
                    $out .= "=item C<$name>\n\n" . $self->_format_pod( $d->{params}{$name} ) . "\n\n";
                }
                $out .= "=back\n\n";
            }

            # Format return value
            if ( length $d->{return} ) {
                $out .= "B<Returns:> " . $self->_format_pod( $d->{return} ) . "\n\n";
            }
            $out;
        }
        method affix( $lib //= (), $pkg //= () ) { return undef }
    }
    class    #
        Affix::Wrap::Member {
        use Affix qw[Void];
        field $name       : reader : param //= '';
        field $type       : reader : param //= '';
        field $doc        : reader : param //= ();
        field $definition : reader : param //= ();

        method affix_type {
            return $definition->affix_type if defined $definition;
            return $type->affix_type       if builtin::blessed($type);
            return 'Void';
        }

        method affix {
            return $definition->affix if defined $definition;
            builtin::blessed($type) ? $type->affix : Void;
        }
    }
    class    #
        Affix::Wrap::Macro : isa(Affix::Wrap::Entity) {
        field $value : reader : param //= ();
        method set_value ($v) { $value = $v }

        method affix_type {
            $value // return '';
            my $v = $value // '';
            $v =~ s/^\s+|\s+$//g;
            return '' unless length $v;
            if ( $v =~ /^-?(?:0x[\da-fA-F]+|\d+(?:\.\d+)?)$/ ) {
                return sprintf 'use constant %s => %s', $self->name, $v;
            }
            if ( $v =~ /^".*"$/ || $v =~ /^'.*'$/ ) {
                return sprintf 'use constant %s => %s', $self->name, $v;
            }
            $v =~ s/'/\\'/g;
            sprintf 'use constant %s => \'%s\'', $self->name, $v;
        }

        method affix ( $lib //= (), $pkg //= () ) {
            if ( $pkg && defined $value && length $value ) {
                my $val = $value;
                if ( $val =~ /^"(.*)"$/ || $val =~ /^'(.*)'$/ ) { $val = $1; }
                no strict 'refs';
                no warnings 'redefine';
                *{ "${pkg}::" . $self->name } = sub () {$val};
            }
            sub () {$value};
        }
        } class Affix::Wrap::Variable : isa(Affix::Wrap::Entity) {
        field $type : reader : param;
        method affix_type { sprintf 'pin my $%s, $lib, \'%s\' => %s', $self->name, $self->name, $type->affix_type }

        method affix ( $lib, $pkg //= () ) {
            if ($lib) {
                my $t = $type->affix;
                if ($pkg) {
                    no strict 'refs';

                    # Vivify package variable and bind it
                    Affix::pin( ${ "${pkg}::" . $self->name }, $lib, $self->name, $t );
                }
                else {
                    my $var;
                    Affix::pin( $var, $lib, $self->name, $t );
                    return $var;
                }
            }
            $type->affix;
        }
        } class    #
        Affix::Wrap::Typedef : isa(Affix::Wrap::Entity) {
        field $underlying : reader : param;
        method affix_type { 'typedef \'' . $self->name . '\' => ' . $underlying->affix_type }

        method affix ( $lib //= (), $pkg //= () ) {
            my $t = $underlying->affix;
            Affix::typedef $self->name, $t;

            # If the underlying type is an Enum, we must manually export the constants to the target package.
            # Affix::typedef only installs them into the *caller* (which is this class).
            if ( $pkg && builtin::blessed($t) && $t->isa('Affix::Type::Enum') ) {
                my ( $const_map, $val_map ) = $t->resolve();
                no strict 'refs';
                while ( my ( $const_name, $val ) = each %$const_map ) {
                    *{"${pkg}::${const_name}"} = sub () {$val};
                }
            }
        }
        } class Affix::Wrap::Struct : isa(Affix::Wrap::Entity) {
        field $tag     : reader : param //= 'struct';
        field $members : reader : param //= [];

        method affix_type {
            my $type_name = $tag eq 'union' ? 'Union' : 'Struct';
            sprintf '%s[ %s ]', $type_name, join( ', ', map { $_->name . ' => ' . $_->affix_type } @$members );
        }

        method affix ( $lib //= (), $pkg //= () ) {
            use Affix qw[Struct Union];
            if ( $tag eq 'union' ) {
                return Union [ map { $_->name, $_->affix } @$members ];
            }
            Struct [ map { $_->name, $_->affix } @$members ];
        }
        } class    #
        Affix::Wrap::Enum : isa(Affix::Wrap::Entity) {
        field $constants : reader : param //= [];

        method affix_type {
            my @defs;
            for my $c (@$constants) {
                if ( !defined $c->{value} ) {
                    push @defs, $c->{name};
                    next;
                }
                my $v = $c->{value} // 0;
                $v = "'$v'" if $v !~ /^-?\d+$/;
                push @defs, sprintf( '[%s => %s]', $c->{name}, $v );
            }
            return sprintf 'Enum[ %s ]', join( ', ', @defs );
        }

        method affix ( $lib //= (), $pkg //= () ) {
            use Affix qw[Enum];
            my @defs;
            for my $c (@$constants) {
                if ( !defined $c->{value} ) { push @defs, $c->{name}; next }
                push @defs, [ $c->{name}, $c->{value} ];
            }
            my $type = Enum [@defs];

            # Manual export if this is a bare enum (not typedef'd)
            if ($pkg) {
                my ( $const_map, $val_map ) = $type->resolve();
                no strict 'refs';
                while ( my ( $const_name, $val ) = each %$const_map ) {
                    *{"${pkg}::${const_name}"} = sub () {$val};
                }
            }
            return $type;
        }
        };
    class    #
        Affix::Wrap::Function : isa(Affix::Wrap::Entity) {
        use Carp qw[];
        use Affix qw[CodeRef];
        field $ret          : reader : param;
        field $args         : reader : param //= [];
        field $mangled_name : reader : param //= ();

        method affix_type {
            sprintf 'affix $lib, %s => [%s], %s',
                ( $self->mangled_name ne $self->name ? ( sprintf q[[%s => '%s']], $self->mangled_name, $self->name ) :
                    ( sprintf q['%s'], $self->name ) ), join( ', ', @{ $self->affix_args } ), $self->affix_ret;
        }

        method affix ( $lib, $pkg //= () ) {
            if ($lib) {
                my $arg_types = [ map { $_->affix } @$args ];
                my $_lib      = Affix::load_library($lib);
                my $ret_type  = $ret->affix;
                if ($pkg) {
                    no strict 'refs';
                    no warnings 'redefine';
                    Affix::affix(
                        $lib,
                        [   (
                                defined $self->mangled_name &&
                                    $self->mangled_name ne $self->name &&
                                    Affix::find_symbol( $_lib, $self->mangled_name ) ? $self->mangled_name : $self->name
                            ),
                            $pkg . '::' . $self->name
                        ],
                        $arg_types,
                        $ret_type
                    ) // Carp::carp Affix::errno();
                }
                else {
                    Affix::affix(
                        $lib,
                        defined $self->mangled_name &&
                            $self->mangled_name ne $self->name &&
                            Affix::find_symbol( $lib, $self->mangled_name ) ? [ $self->mangled_name, $self->name ] : $self->name,
                        $arg_types,
                        $ret_type
                    ) // Carp::carp Affix::errno();
                }
            }
        }
        method affix_ret { $ret->affix_type }

        method affix_args {
            [ map { $_->affix_type } @$args ]
        }
        method call_ret { $ret->affix }

        method call_args {
            [ map { $_->affix } @$args ]
        }
        } class    #
        Affix::Wrap::Driver::Clang {
        use Config;
        field $project_files : param : reader;
        field $allowed_files  = {};
        field $project_dirs   = [];
        field $paths_seen     = {};
        field $file_cache     = {};
        field $last_seen_file = undef;
        field $clang //= 'clang';
        method _basename ($path) { return '' unless defined $path; $path =~ s{^.*[/\\]}{}; return lc($path); }

        method _normalize ($path) {
            return '' unless defined $path && length $path;
            my $abs = Path::Tiny::path($path)->absolute->stringify;
            $abs =~ s{\\}{/}g;
            return $abs;
        }
        ADJUST {
            my %seen_dirs;
            for my $f (@$project_files) {
                next unless defined $f && length $f;
                my $abs = $self->_normalize($f);
                next unless length $abs;
                $allowed_files->{$abs} = 1;
                my $dir = Path::Tiny::path($abs)->parent->stringify;
                $dir =~ s{\\}{/}g;
                unless ( $seen_dirs{$dir}++ ) { push @$project_dirs, $dir; }
            }
        }

        method parse ( $entry_point, $include_dirs //= [] ) {
            if ( !defined $entry_point || !length $entry_point ) {
                ($entry_point) = grep { defined $_ && length $_ } @$project_files;
            }
            return () unless defined $entry_point && length $entry_point;
            my $ep_abs = $self->_normalize($entry_point);
            return () unless length $ep_abs;
            $allowed_files->{$ep_abs} = 1;
            $last_seen_file = $ep_abs;
            my $ep_dir = Path::Tiny::path($ep_abs)->parent->stringify;
            $ep_dir =~ s{\\}{/}g;
            my $found = 0;

            for my $pd (@$project_dirs) {
                if ( $ep_dir eq $pd ) { $found = 1; last; }
            }
            push @$project_dirs, $ep_dir unless $found;
            my @includes = map { "-I" . $self->_normalize($_) } @$include_dirs;
            for my $d (@$project_dirs) { push @includes, "-I$d"; }
            my @cmd = (
                $clang,                 '-target',         $self->_get_triple(),             '-Xclang',
                '-ast-dump=json',       '-Xclang',         '-detailed-preprocessing-record', '-fsyntax-only',
                '-fparse-all-comments', '-Wno-everything', @includes,                        $ep_abs
            );
            my ( $stdout, $stderr, $exit ) = Capture::Tiny::capture { system(@cmd); };
            if ( $exit != 0 )               { die "Clang Error:\n$stderr"; }
            if ( $stdout =~ /^.*?(\{.*)/s ) { $stdout = $1; }
            my $ast = JSON::PP::decode_json($stdout);
            my @objects;
            $self->_walk( $ast, \@objects, $ep_abs );
            $self->_scan_macros_fallback( \@objects );
            $self->_merge_typedefs( \@objects );
            $self->_wrap_named_types( \@objects );

            #~ @objects = sort { ( $a->file cmp $b->file ) || ( $a->start_offset <=> $b->start_offset ) } @objects;
            @objects;
        }

        method _walk( $node, $acc, $current_file ) {
            return unless ref $node eq 'HASH';
            my $kind      = $node->{kind} // 'Unknown';
            my $node_file = $self->_get_node_file($node);
            if ($node_file) {
                $current_file   = $self->_normalize($node_file);
                $last_seen_file = $current_file;
            }
            elsif ( defined $last_seen_file ) { $current_file = $last_seen_file; }
            if    ( $self->_is_valid_file($current_file) && !$node->{isImplicit} ) {
                if ( $kind eq 'MacroDefinitionRecord' ) {
                    if ( $node->{range} ) { $self->_macro( $node, $acc, $current_file ); }
                }
                elsif ( $kind eq 'TypedefDecl' ) { $self->_typedef( $node, $acc, $current_file ); }
                elsif ( $kind eq 'RecordDecl' || $kind eq 'CXXRecordDecl' ) {
                    $self->_record( $node, $acc, $current_file );
                    return;
                }
                elsif ( $kind eq 'EnumDecl' ) {
                    $self->_enum( $node, $acc, $current_file );
                    return;
                }
                elsif ( $kind eq 'VarDecl' ) {
                    if ( ( $node->{storageClass} // '' ) ne 'static' ) { $self->_var( $node, $acc, $current_file ); }
                }
                elsif ( $kind eq 'FunctionDecl' ) {
                    $self->_func( $node, $acc, $current_file );
                    return;
                }
                elsif ( $kind eq 'BuiltinType' ) { return; }
            }
            if ( $node->{inner} ) {
                for ( @{ $node->{inner} } ) { $self->_walk( $_, $acc, $current_file ); }
            }
        }

        method _is_valid_file ($f) {
            return 0 unless defined $f && length $f;
            return 0 if $f =~ m{^/usr/(include|lib|share|local/include)};
            return 0 if $f =~ m{^/System/Library};

lib/Affix/Wrap.pm  view on Meta::CPAN

                if    ($cap) {
                    unshift @d, $line;
                    last if $line =~ /^\s*\/\*/;
                    if ( $line =~ /^\s*\/\// && ( !@lines || $lines[-1] !~ /^\s*\/\// ) ) { last; }
                }
                else { last; }
            }
            return undef unless @d;
            my $t = join( "\n", @d );
            $t =~ s/^\s*\/\*\*?//mg;
            $t =~ s/\s*\*\/$//mg;
            $t =~ s/^\s*\*\s?//mg;
            $t =~ s/^\s*\/\/\s?//mg;
            $t =~ s/^\s+|\s+$//g;
            return $t;
        }

        method _extract_trailing( $f, $off ) {
            return '' unless defined $off;
            my $content = $self->_get_content($f);
            return '' unless length($content);
            my $post   = substr( $content, $off );
            my ($line) = split /\R/, $post, 2;
            return '' unless defined $line;
            if ( $line =~ /\/\/(.*)$/ ) {
                my $c = $1;
                $c =~ s/^\s+|\s+$//g;
                return $c;
            }
            return '';
        }

        method _extract_raw( $f, $s, $e ) {
            return '' unless defined $s && defined $e;
            my $content = $self->_get_content($f);
            return '' unless length($content) >= $e;
            return substr( $content, $s, $e - $s );
        }

        method _extract_macro_val( $n, $f ) {
            my $off = $n->{range}{begin}{offset};
            return '' unless defined $off;
            my $content = $self->_get_content($f);
            return '' unless length($content);
            my $r = substr( $content, $off );
            if ( $r =~ /^(.*?)$/m ) {
                my $line = $1;
                my $name = $n->{name};
                if ( $line =~ /#\s*define\s+\Q$name\E\s+(.*)/ ) {
                    my $v = $1;
                    $v =~ s/\/\/.*$//;
                    $v =~ s/\/\*.*?\*\///g;
                    $v =~ s/^\s+|\s+$//g;
                    return $v;
                }
            }
            '';
        }

        method _scan_macros_fallback($acc) {
            my %seen = map { $_->name => 1 } grep { ref($_) eq 'Affix::Wrap::Macro' } @$acc;
            for my $f ( keys %$allowed_files ) {
                next unless $self->_is_valid_file($f);
                my $c = $self->_get_content($f);
                while ( $c =~ /^\s*#\s*define\s+(\w+)(?:[ \t]+(.*?))?\s*$/mg ) {
                    my $name = $1;
                    next if $seen{$name};
                    my $val  = $2 // '';
                    my $off  = $-[0];
                    my $end  = $+[0];
                    my $pre  = substr( $c, 0, $off );
                    my $line = ( $pre =~ tr/\n// ) + 1;
                    $val =~ s/\/\/.*$//;
                    $val =~ s/\/\*.*?\*\///g;
                    $val =~ s/^\s+|\s+$//g;
                    push @$acc,
                        Affix::Wrap::Macro->new(
                        name         => $name,
                        file         => $f,
                        line         => $line,
                        end_line     => $line,
                        value        => $val,
                        doc          => $self->_extract_doc( $f, $off ),
                        start_offset => $off,
                        end_offset   => $end
                        );
                }
            }
        }

        method _merge_typedefs($objs) {
            my @tds = grep { ref($_) eq 'Affix::Wrap::Typedef' } @$objs;
            for my $td (@tds) {
                next if $td->is_merged;
                my ($child) = grep {
                    !$_->is_merged                                                               &&
                        $_->file eq $td->file                                                    &&
                        ( $_->name eq '(anonymous)' || $_->name eq '' || $_->name eq $td->name ) &&
                        ( ref($_) eq 'Affix::Wrap::Enum' || ref($_) eq 'Affix::Wrap::Struct' )   &&
                        ( abs( $_->end_line - $td->line ) <= 2 || abs( $_->end_line - $td->end_line ) <= 2 )
                } @$objs;
                if ($child) {
                    my $new = Affix::Wrap::Typedef->new(
                        name         => $td->name,
                        underlying   => $child,
                        file         => $td->file,
                        line         => $td->line,
                        end_line     => $child->end_line,
                        doc          => $td->doc // $child->doc // $self->_extract_doc( $td->file, $td->start_offset ),
                        start_offset => $td->start_offset,
                        end_offset   => $td->end_offset
                    );
                    for ( my $i = 0; $i < @$objs; $i++ ) {
                        if ( $objs->[$i] == $td ) { $objs->[$i] = $new; last; }
                    }
                    $child->mark_merged();
                }
            }
            @$objs = grep { !$_->is_merged } @$objs;
        }

lib/Affix/Wrap.pm  view on Meta::CPAN

                    Affix::Wrap::Typedef->new(
                    name         => $1,
                    underlying   => $enum,
                    file         => $f,
                    line         => $self->_ln( $c, $s ),
                    end_line     => $self->_ln( $c, $e ),
                    doc          => $self->_doc( $c, $s ),
                    start_offset => $s,
                    end_offset   => $e
                    );
            }

            # Global variables
            while ( $c
                =~ /^\s*extern\s+((?:const\s+|unsigned\s+|struct\s+|[\w:<>]+(?:\s*::\s*[\w:<>]+)*\s*\*?\s*)+?)([\s\*]+)([a-zA-Z_]\w*(?:\[.*?\])?)\s*(?:=\s*[^;]+)?\s*;\s*(?:\/\/([^\r\n]*))?/gm
            ) {
                my $s        = $-[0];
                my $e        = $+[0];
                my $type_str = $1 . $2;
                my $name     = $3;
                my $trail    = $4;

                # Strip likely API macros (uppercase words) from the type definition
                $type_str =~ s/\b[A-Z_][A-Z0-9_]*\b//g;
                $type_str =~ s/^\s+|\s+$//g;

                # Handle array syntax: "int vars[10]" -> type="int[10]", name="vars"
                if ( $name =~ s/(\[.*\])$// ) { $type_str .= $1; }

                # Merge standard preceding doc with captured trailing doc
                my $doc = $self->_doc( $c, $s );
                if ( defined $trail && length $trail ) {
                    $trail =~ s/^\s+|\s+$//g;
                    $doc = defined $doc ? "$doc\n$trail" : $trail;
                }
                push @$acc,
                    Affix::Wrap::Variable->new(
                    name         => $name,
                    type         => Affix::Wrap::Type->parse($type_str),
                    file         => $f,
                    line         => $self->_ln( $c, $s ),
                    end_line     => $self->_ln( $c, $e ),
                    doc          => $doc,
                    start_offset => $s,
                    end_offset   => $e
                    );
            }

            # Typedefs
            while ( $c =~ /typedef\s+(?!struct\s*(?:\w+\s*)?\{|enum\s*(?:\w+\s*)?\{)(.+?)\s*;/gs ) {
                my $content = $1;
                my $s       = $-[0];
                my $e       = $+[0];
                $content =~ s/\s+/ /g;
                $content =~ s/^\s+|\s+$//g;
                if ( $content =~ /^(.+?)\s*\(\*\s*(\w+)\)\s*\((.*?)\)$/ ) {
                    my ( $ret_str, $name, $args_str ) = ( $1, $2, $3 );
                    my $ret = Affix::Wrap::Type->parse($ret_str);
                    my @args;
                    if ( defined $args_str && length $args_str && $args_str ne 'void' ) {
                        my @args_raw = grep {length} map { s/^\s+|\s+$//g; $_ } split /,(?![^(]*\))/, $args_str;
                        if ( @args_raw == 1 && $args_raw[0] =~ /^void$/ ) { @args_raw = (); }
                        for my $raw (@args_raw) {
                            if ( $raw =~ /^(.+?)([\s\*]+)([a-zA-Z_]\w*(?:\[.*?\])?)$/ ) {
                                my ( $t, $sep, $n ) = ( $1, $2, $3 );
                                $t .= $sep;
                                if ( $n =~ s/(\[.*\])$// ) { $t .= $1 }
                                push @args, Affix::Wrap::Type->parse($t);
                            }
                            else {
                                push @args, Affix::Wrap::Type->parse($raw);
                            }
                        }
                    }
                    my $coderef = Affix::Wrap::Type::CodeRef->new( ret => $ret, params => \@args );
                    push @$acc,
                        Affix::Wrap::Typedef->new(
                        name         => $name,
                        underlying   => $coderef,
                        file         => $f,
                        line         => $self->_ln( $c, $s ),
                        end_line     => $self->_ln( $c, $e ),
                        doc          => $self->_doc( $c, $s ),
                        start_offset => $s,
                        end_offset   => $e
                        );
                }
                elsif ( $content =~ /^(.+?)([\s\*]+)([a-zA-Z_]\w*(?:\[.*?\])?)$/ ) {
                    my ( $type_str, $sep, $name ) = ( $1, $2, $3 );
                    $type_str .= $sep;
                    if ( $name =~ s/(\[.*\])$// ) { $type_str .= $1; }
                    push @$acc,
                        Affix::Wrap::Typedef->new(
                        name         => $name,
                        underlying   => Affix::Wrap::Type->parse($type_str),
                        file         => $f,
                        line         => $self->_ln( $c, $s ),
                        end_line     => $self->_ln( $c, $e ),
                        doc          => $self->_doc( $c, $s ),
                        start_offset => $s,
                        end_offset   => $e
                        );
                }
            }
        }

        method _enum_consts($body) {
            my @cs;
            my $v = 0;
            for ( split /,/, $body ) {
                s/\/\/.*$//;
                s/\/\*.*?\*\///s;
                s/^\s+|\s+$//g;
                next unless length;
                if (/^(\w+)\s*(?:=\s*(.+?))?$/) {
                    my $name = $1;
                    my $val  = $2;    # Capture string or undef

                    # Safe hex handling without string eval
                    if ( defined $val && $val =~ /^(-?)0x([\da-fA-F]+)$/ ) {
                        my $sign = $1 || '';
                        my $num  = hex($2);
                        $val = $sign eq '-' ? -$num : $num;
                    }
                    push @cs, { name => $name, value => $val };
                }
            }
            return \@cs;
        }

        method _scan_funcs( $f, $acc ) {
            my $c = $self->_read($f);
            while ( $c
                =~ /^\s*((?:const\s+|unsigned\s+|struct\s+|[\w:<>]+(?:\s*::\s*[\w:<>]+)*\s*\*?\s*)+?)\s*(\w+)\s*(\((?:[^()]++|(?3))*\))(?:\s*;|\s*\{)/gm
            ) {
                next if $2 =~ /^(if|while|for|return|switch|typedef)$/ || $1 =~ /static/;
                my $s = $-[0];
                my $e = $+[0];
                my ( $ret_str, $func_name, $args_str ) = ( $1, $2, substr( $3, 1, -1 ) );
                #
                $ret_str =~ s/\b[A-Z_][A-Z0-9_]*\b//g;
                $ret_str =~ s/^\s+|\s+$//g;
                my $ret_obj = Affix::Wrap::Type->parse($ret_str);

                # Split args respecting commas inside parentheses (function pointers, etc.)
                my @args_raw = grep {length} map { s/^\s+|\s+$//g; $_ } split /,(?![^(]*\))/, $args_str;
                if ( @args_raw == 1 && $args_raw[0] =~ /^void$/ ) { @args_raw = (); }
                my @args;
                for my $raw (@args_raw) {
                    if ( $raw =~ /^(.+?)\s*\(\*\s*(\w+)\)\s*\((.*)\)$/ ) {
                        my ( $r_type, $cb_name, $cb_args ) = ( $1, $2, $3 );
                        my $ret = Affix::Wrap::Type->parse($r_type);
                        my @p;
                        if ( $cb_args ne '' && $cb_args ne 'void' ) {
                            @p = map { Affix::Wrap::Type->parse($_) } split /,(?![^(]*\))/, $cb_args;
                        }
                        my $code_ref = Affix::Wrap::Type::CodeRef->new( ret => $ret, params => \@p );
                        push @args, Affix::Wrap::Argument->new( type => $code_ref, name => $cb_name );
                    }
                    elsif ( $raw =~ /^(.+?)([\s\*]+)([a-zA-Z_]\w*(?:\[.*?\])?)$/ ) {
                        my ( $t, $sep, $n ) = ( $1, $2, $3 );
                        $t .= $sep;
                        if ( $n =~ s/(\[.*\])$// ) { $t .= $1 }
                        push @args, Affix::Wrap::Argument->new( type => Affix::Wrap::Type->parse($t), name => $n );
                    }
                    else {
                        push @args, Affix::Wrap::Argument->new( type => Affix::Wrap::Type->parse($raw) );
                    }
                }
                push @$acc,
                    Affix::Wrap::Function->new(
                    name         => $func_name,
                    mangled_name => $func_name,
                    ret          => $ret_obj,
                    args         => \@args,
                    file         => $f,
                    line         => $self->_ln( $c, $s ),
                    end_line     => $self->_ln( $c, $e ),
                    doc          => $self->_doc( $c, $s ),
                    start_offset => $s,
                    end_offset   => $e
                    );
            }
        }

        method _mem($b) {
            my @m;
            my $pending_doc = '';
            my $clean       = sub ($t) {
                $t =~ s/^\s*\/\*\*?//mg;
                $t =~ s/\s*\*\/$//mg;
                $t =~ s/^\s*\*\s?//mg;
                $t =~ s/^\s*\/\/\s?//mg;
                $t =~ s/^\s+|\s+$//g;
                return length($t) ? $t : undef;
            };
            while ( length($b) > 0 ) {
                if ( $b =~ s/^(\s+)// ) { next; }
                if ( $b =~ s|^(\s*/\*(.*?)\*/)||s ) { $pending_doc .= $2;     next; }
                if ( $b =~ s|^(//(.*?)\n)|| )       { $pending_doc .= "$2\n"; next; }
                if ( $b =~ s/^\s*(union|struct)\s*(\{(?:[^{}]++|(?2))*\})\s*(\w+)\s*;// ) {
                    my $tag = $1;
                    my $d   = Affix::Wrap::Struct->new( name => '', tag => $tag, members => $self->_mem( substr( $2, 1, -1 ) ) );
                    push @m, Affix::Wrap::Member->new( name => $3, definition => $d, doc => $clean->($pending_doc) );
                    $pending_doc = '';
                    next;
                }

                # Function pointer: ret (*name)(args)
                if ( $b =~ s/^\s*([\w\s\*]+?)\s*\(\*\s*(\w+)\)\s*\((.*?)\)\s*;// ) {
                    my ( $ret_str, $name, $args_str ) = ( $1, $2, $3 );
                    my $ret = Affix::Wrap::Type->parse($ret_str);
                    my @args;
                    if ( $args_str ne '' && $args_str ne 'void' ) {
                        @args = map { Affix::Wrap::Type->parse($_) } split( /\s*,\s*/, $args_str );
                    }
                    my $type_obj = Affix::Wrap::Type::CodeRef->new( ret => $ret, params => \@args );
                    push @m, Affix::Wrap::Member->new( name => $name, type => $type_obj, doc => $clean->($pending_doc) );
                    $pending_doc = '';
                    next;
                }
                if ( $b =~ s/^\s*(.+?)([\s\*]+)([a-zA-Z_]\w*(?:\[.*?\])?)\s*;// ) {
                    my ( $t, $sep, $n ) = ( $1, $2, $3 );
                    $t .= $sep;
                    $t =~ s/^\s+|\s+$//g;
                    if ( $n =~ s/(\[.*\])$// ) { $t .= $1 }
                    push @m, Affix::Wrap::Member->new( name => $n, type => Affix::Wrap::Type->parse($t), doc => $clean->($pending_doc) );
                    $pending_doc = '';
                    next;
                }
                substr( $b, 0, 1 ) = '';
                $pending_doc = '';
            }
            return \@m;
        }
        method _ln( $c, $o ) { ( substr( $c, 0, $o ) =~ tr/\n// ) + 1 }

        method _doc( $c, $o ) {
            return undef if $o == 0;
            my @l = split /\n/, substr( $c, 0, $o );
            my @d;
            my $cap = 0;
            while ( my $l = pop @l ) {
                next if !$cap && $l =~ /^\s*$/;
                if    ( $l =~ s/\s*\*\/\s*$// ) { $cap = 1; }
                elsif ( $l =~ m{^\s*//} )       { $cap = 1; }
                if    ($cap) {
                    unshift @d, $l;
                    last if $l =~ /^\s*\/\*/;
                    last if $l =~ m{^\s*//} && ( !@l || $l[-1] !~ m{^\s*//} );
                }
                else {last}
            }
            return undef unless @d;
            my $t = join "\n", @d;
            $t =~ s/^\s*(\/\*+|\*+\/|\*|\/\/)\s?//mg;
            $t =~ s/^\s+|\s+$//g;
            return $t;
        }
    }

    class Affix::Wrap {
        field $driver        : param //= ();
        field $project_files : param //= $driver->project_files;
        field $include_dirs  : param //= [];
        field $types         : param //= {};
        #
        ADJUST {
            if ( defined $driver && !builtin::blessed($driver) ) {
                if    ( $driver eq 'Clang' ) { $driver = Affix::Wrap::Driver::Clang->new( project_files => $project_files ); }
                elsif ( $driver eq 'Regex' ) { $driver = Affix::Wrap::Driver::Regex->new( project_files => $project_files ); }
                else                         { die "Unknown driver '$driver'"; }
            }
            elsif ( !defined $driver ) {
                my ( $out, $err, $exit ) = Capture::Tiny::capture { system( 'clang', '--version' ); };



( run in 0.485 second using v1.01-cache-2.11-cpan-39bf76dae61 )