    pub const padding = 0x00;
    pub const array_type = 0x01;
    pub const class_type = 0x02;
    pub const entry_point = 0x03;
    pub const enumeration_type = 0x04;
    pub const formal_parameter = 0x05;
    pub const imported_declaration = 0x08;
    pub const label = 0x0a;
    pub const lexical_block = 0x0b;
    pub const member = 0x0d;
    pub const pointer_type = 0x0f;
    pub const reference_type = 0x10;
    pub const compile_unit = 0x11;
    pub const string_type = 0x12;
    pub const structure_type = 0x13;
    pub const subroutine = 0x14;
    pub const subroutine_type = 0x15;
    pub const typedef = 0x16;
    pub const union_type = 0x17;
    pub const unspecified_parameters = 0x18;
    pub const variant = 0x19;
    pub const common_block = 0x1a;
    pub const common_inclusion = 0x1b;
    pub const inheritance = 0x1c;
    pub const inlined_subroutine = 0x1d;
    pub const module = 0x1e;
    pub const ptr_to_member_type = 0x1f;
    pub const set_type = 0x20;
    pub const subrange_type = 0x21;
    pub const with_stmt = 0x22;
    pub const access_declaration = 0x23;
    pub const base_type = 0x24;
    pub const catch_block = 0x25;
    pub const const_type = 0x26;
    pub const constant = 0x27;
    pub const enumerator = 0x28;
    pub const file_type = 0x29;
    pub const friend = 0x2a;
    pub const namelist = 0x2b;
    pub const namelist_item = 0x2c;
    pub const packed_type = 0x2d;
    pub const subprogram = 0x2e;
    pub const template_type_param = 0x2f;
    pub const template_value_param = 0x30;
    pub const thrown_type = 0x31;
    pub const try_block = 0x32;
    pub const variant_part = 0x33;
    pub const variable = 0x34;
    pub const volatile_type = 0x35;

    // DWARF 3

    pub const dwarf_procedure = 0x36;
    pub const restrict_type = 0x37;
    pub const interface_type = 0x38;
    pub const namespace = 0x39;
    pub const imported_module = 0x3a;
    pub const unspecified_type = 0x3b;
    pub const partial_unit = 0x3c;
    pub const imported_unit = 0x3d;
    pub const condition = 0x3f;
    pub const shared_type = 0x40;

    // DWARF 4

    pub const type_unit = 0x41;
    pub const rvalue_reference_type = 0x42;
    pub const template_alias = 0x43;

    // DWARF 5

    pub const coarray_type = 0x44;
    pub const generic_subrange = 0x45;
    pub const dynamic_type = 0x46;
    pub const atomic_type = 0x47;
    pub const call_site = 0x48;
    pub const call_site_parameter = 0x49;
    pub const skeleton_unit = 0x4a;
    pub const immutable_type = 0x4b;

    pub const lo_user = 0x4080;
    pub const hi_user = 0xffff;

    // SGI/MIPS Extensions.

    pub const MIPS_loop = 0x4081;

    // HP extensions.  See: ftp://ftp.hp.com/pub/lang/tools/WDB/wdb-4.0.tar.gz .

    pub const HP_array_descriptor = 0x4090;
    pub const HP_Bliss_field = 0x4091;
    pub const HP_Bliss_field_set = 0x4092;

    // GNU extensions.

    pub const format_label = 0x4101; // For FORTRAN 77 and Fortran 90.

    pub const function_template = 0x4102; // For C++.

    pub const class_template = 0x4103; //For C++.

    pub const GNU_BINCL = 0x4104;
    pub const GNU_EINCL = 0x4105;

    // Template template parameter.

    // See http://gcc.gnu.org/wiki/TemplateParmsDwarf .

    pub const GNU_template_template_param = 0x4106;

    // Template parameter pack extension = specified at

    // http://wiki.dwarfstd.org/index.php?title=C%2B%2B0x:_Variadic_templates

    // The values of these two TAGS are in the DW_TAG_GNU_* space until the tags

    // are properly part of DWARF 5.

    pub const GNU_template_parameter_pack = 0x4107;
    pub const GNU_formal_parameter_pack = 0x4108;
    // The GNU call site extension = specified at

    // http://www.dwarfstd.org/ShowIssue.php?issue=100909.2&type=open .

    // The values of these two TAGS are in the DW_TAG_GNU_* space until the tags

    // are properly part of DWARF 5.

    pub const GNU_call_site = 0x4109;
    pub const GNU_call_site_parameter = 0x410a;
    // Extensions for UPC.  See: http://dwarfstd.org/doc/DWARF4.pdf.

    pub const upc_shared_type = 0x8765;
    pub const upc_strict_type = 0x8766;
    pub const upc_relaxed_type = 0x8767;
    // PGI (STMicroelectronics; extensions.  No documentation available.

    pub const PGI_kanji_type = 0xA000;
    pub const PGI_interface_block = 0xA020;