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#![allow(non_upper_case_globals)]

macro_rules! dw {
    ($struct_name:ident($struct_type:ty) { $($name:ident = $val:expr),+ }) => {
        #[derive(Debug, Clone, Copy, PartialEq, Eq)]
        pub struct $struct_name(pub $struct_type);
        $(
            pub const $name: $struct_name = $struct_name($val);
        )+
    };
    // Handle trailing comma
    ($struct_name:ident($struct_type:ty) { $($name:ident = $val:expr),+, }) => {
        dw!($struct_name($struct_type) { $($name = $val),+ });
    };
}

dw!(DwChildren(u8) {
    DW_CHILDREN_no = 0,
    DW_CHILDREN_yes = 1,
});

dw!(DwTag(u16) {
    DW_TAG_null = 0x00,

    DW_TAG_array_type = 0x01,
    DW_TAG_class_type = 0x02,
    DW_TAG_entry_point = 0x03,
    DW_TAG_enumeration_type = 0x04,
    DW_TAG_formal_parameter = 0x05,
    DW_TAG_imported_declaration = 0x08,
    DW_TAG_label = 0x0a,
    DW_TAG_lexical_block = 0x0b,
    DW_TAG_member = 0x0d,
    DW_TAG_pointer_type = 0x0f,
    DW_TAG_reference_type = 0x10,
    DW_TAG_compile_unit = 0x11,
    DW_TAG_string_type = 0x12,
    DW_TAG_structure_type = 0x13,
    DW_TAG_subroutine_type = 0x15,
    DW_TAG_typedef = 0x16,
    DW_TAG_union_type = 0x17,
    DW_TAG_unspecified_parameters = 0x18,
    DW_TAG_variant = 0x19,
    DW_TAG_common_block = 0x1a,
    DW_TAG_common_inclusion = 0x1b,
    DW_TAG_inheritance = 0x1c,
    DW_TAG_inlined_subroutine = 0x1d,
    DW_TAG_module = 0x1e,
    DW_TAG_ptr_to_member_type = 0x1f,
    DW_TAG_set_type = 0x20,
    DW_TAG_subrange_type = 0x21,
    DW_TAG_with_stmt = 0x22,
    DW_TAG_access_declaration = 0x23,
    DW_TAG_base_type = 0x24,
    DW_TAG_catch_block = 0x25,
    DW_TAG_const_type = 0x26,
    DW_TAG_constant = 0x27,
    DW_TAG_enumerator = 0x28,
    DW_TAG_file_type = 0x29,
    DW_TAG_friend = 0x2a,
    DW_TAG_namelist = 0x2b,
    DW_TAG_namelist_item = 0x2c,
    DW_TAG_packed_type = 0x2d,
    DW_TAG_subprogram = 0x2e,
    DW_TAG_template_type_parameter = 0x2f,
    DW_TAG_template_value_parameter = 0x30,
    DW_TAG_thrown_type = 0x31,
    DW_TAG_try_block = 0x32,
    DW_TAG_variant_part = 0x33,
    DW_TAG_variable = 0x34,
    DW_TAG_volatile_type = 0x35,
    DW_TAG_dwarf_procedure = 0x36,
    DW_TAG_restrict_type = 0x37,
    DW_TAG_interface_type = 0x38,
    DW_TAG_namespace = 0x39,
    DW_TAG_imported_module = 0x3a,
    DW_TAG_unspecified_type = 0x3b,
    DW_TAG_partial_unit = 0x3c,
    DW_TAG_imported_unit = 0x3d,
    DW_TAG_condition = 0x3f,
    DW_TAG_shared_type = 0x40,
    DW_TAG_type_unit = 0x41,
    DW_TAG_rvalue_reference_type = 0x42,
    DW_TAG_template_alias = 0x43,

    DW_TAG_lo_user = 0x4080,
    DW_TAG_hi_user = 0xffff,
});

dw!(DwAt(u16) {
    DW_AT_null = 0x00,

    DW_AT_sibling = 0x01,
    DW_AT_location = 0x02,
    DW_AT_name = 0x03,
    DW_AT_ordering = 0x09,
    DW_AT_byte_size = 0x0b,
    DW_AT_bit_offset = 0x0c,
    DW_AT_bit_size = 0x0d,
    DW_AT_stmt_list = 0x10,
    DW_AT_low_pc = 0x11,
    DW_AT_high_pc = 0x12,
    DW_AT_language = 0x13,
    DW_AT_discr = 0x15,
    DW_AT_discr_value = 0x16,
    DW_AT_visibility = 0x17,
    DW_AT_import = 0x18,
    DW_AT_string_length = 0x19,
    DW_AT_common_reference = 0x1a,
    DW_AT_comp_dir = 0x1b,
    DW_AT_const_value = 0x1c,
    DW_AT_containing_type = 0x1d,
    DW_AT_default_value = 0x1e,
    DW_AT_inline = 0x20,
    DW_AT_is_optional = 0x21,
    DW_AT_lower_bound = 0x22,
    DW_AT_producer = 0x25,
    DW_AT_prototyped = 0x27,
    DW_AT_return_addr = 0x2a,
    DW_AT_start_scope = 0x2c,
    DW_AT_bit_stride = 0x2e,
    DW_AT_upper_bound = 0x2f,
    DW_AT_abstract_origin = 0x31,
    DW_AT_accessibility = 0x32,
    DW_AT_address_class = 0x33,
    DW_AT_artificial = 0x34,
    DW_AT_base_types = 0x35,
    DW_AT_calling_convention = 0x36,
    DW_AT_count = 0x37,
    DW_AT_data_member_location = 0x38,
    DW_AT_decl_column = 0x39,
    DW_AT_decl_file = 0x3a,
    DW_AT_decl_line = 0x3b,
    DW_AT_declaration = 0x3c,
    DW_AT_discr_list = 0x3d,
    DW_AT_encoding = 0x3e,
    DW_AT_external = 0x3f,
    DW_AT_frame_base = 0x40,
    DW_AT_friend = 0x41,
    DW_AT_identifier_case = 0x42,
    DW_AT_macro_info = 0x43,
    DW_AT_namelist_item = 0x44,
    DW_AT_priority = 0x45,
    DW_AT_segment = 0x46,
    DW_AT_specification = 0x47,
    DW_AT_static_link = 0x48,
    DW_AT_type = 0x49,
    DW_AT_use_location = 0x4a,
    DW_AT_variable_parameter = 0x4b,
    DW_AT_virtuality = 0x4c,
    DW_AT_vtable_elem_location = 0x4d,
    DW_AT_allocated = 0x4e,
    DW_AT_associated = 0x4f,
    DW_AT_data_location = 0x50,
    DW_AT_byte_stride = 0x51,
    DW_AT_entry_pc = 0x52,
    DW_AT_use_UTF8 = 0x53,
    DW_AT_extension = 0x54,
    DW_AT_ranges = 0x55,
    DW_AT_trampoline = 0x56,
    DW_AT_call_column = 0x57,
    DW_AT_call_file = 0x58,
    DW_AT_call_line = 0x59,
    DW_AT_description = 0x5a,
    DW_AT_binary_scale = 0x5b,
    DW_AT_decimal_scale = 0x5c,
    DW_AT_small = 0x5d,
    DW_AT_decimal_sign = 0x5e,
    DW_AT_digit_count = 0x5f,
    DW_AT_picture_string = 0x60,
    DW_AT_mutable = 0x61,
    DW_AT_threads_scaled = 0x62,
    DW_AT_explicit = 0x63,
    DW_AT_object_pointer = 0x64,
    DW_AT_endianity = 0x65,
    DW_AT_elemental = 0x66,
    DW_AT_pure = 0x67,
    DW_AT_recursive = 0x68,
    DW_AT_signature = 0x69,
    DW_AT_main_subprogram = 0x6a,
    DW_AT_data_bit_offset = 0x6b,
    DW_AT_const_expr = 0x6c,
    DW_AT_enum_class = 0x6d,
    DW_AT_linkage_name = 0x6e,

    DW_AT_lo_user = 0x2000,
    DW_AT_hi_user = 0x3fff,
});

dw!(DwForm(u16) {
    DW_FORM_null = 0x00,

    DW_FORM_addr = 0x01,
    DW_FORM_block2 = 0x03,
    DW_FORM_block4 = 0x04,
    DW_FORM_data2 = 0x05,
    DW_FORM_data4 = 0x06,
    DW_FORM_data8 = 0x07,
    DW_FORM_string = 0x08,
    DW_FORM_block = 0x09,
    DW_FORM_block1 = 0x0a,
    DW_FORM_data1 = 0x0b,
    DW_FORM_flag = 0x0c,
    DW_FORM_sdata = 0x0d,
    DW_FORM_strp = 0x0e,
    DW_FORM_udata = 0x0f,
    DW_FORM_ref_addr = 0x10,
    DW_FORM_ref1 = 0x11,
    DW_FORM_ref2 = 0x12,
    DW_FORM_ref4 = 0x13,
    DW_FORM_ref8 = 0x14,
    DW_FORM_ref_udata = 0x15,
    DW_FORM_indirect = 0x16,
    DW_FORM_sec_offset = 0x17,
    DW_FORM_exprloc = 0x18,
    DW_FORM_flag_present = 0x19,
    DW_FORM_ref_sig8 = 0x20,
});