// Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![allow(non_camel_case_types, non_upper_case_globals)] pub use self::astencode_tag::*; // RBML enum definitions and utils shared by the encoder and decoder // // 0x00..0x1f: reserved for RBML generic type tags // 0x20..0xef: free for use, preferred for frequent tags // 0xf0..0xff: internally used by RBML to encode 0x100..0xfff in two bytes // 0x100..0xfff: free for use, preferred for infrequent tags pub const tag_items: usize = 0x100; // top-level only pub const tag_paths_data_name: usize = 0x20; pub const tag_def_id: usize = 0x21; pub const tag_items_data: usize = 0x22; pub const tag_items_data_item: usize = 0x23; pub const tag_items_data_item_family: usize = 0x24; pub const tag_items_data_item_type: usize = 0x25; // GAP 0x26 pub const tag_items_data_item_variant: usize = 0x27; pub const tag_items_data_parent_item: usize = 0x28; pub const tag_items_data_item_is_tuple_struct_ctor: usize = 0x29; pub const tag_items_closure_kind: usize = 0x2a; pub const tag_items_closure_ty: usize = 0x2b; pub const tag_def_key: usize = 0x2c; // GAP 0x2d 0x2e pub const tag_index: usize = 0x110; // top-level only pub const tag_xref_index: usize = 0x111; // top-level only pub const tag_xref_data: usize = 0x112; // top-level only pub const tag_meta_item_name_value: usize = 0x2f; pub const tag_meta_item_name: usize = 0x30; pub const tag_meta_item_value: usize = 0x31; pub const tag_attributes: usize = 0x101; // top-level only pub const tag_attribute: usize = 0x32; pub const tag_meta_item_word: usize = 0x33; pub const tag_meta_item_list: usize = 0x34; // The list of crates that this crate depends on pub const tag_crate_deps: usize = 0x102; // top-level only // A single crate dependency pub const tag_crate_dep: usize = 0x35; pub const tag_crate_hash: usize = 0x103; // top-level only pub const tag_crate_crate_name: usize = 0x104; // top-level only pub const tag_crate_disambiguator: usize = 0x113; // top-level only pub const tag_crate_dep_crate_name: usize = 0x36; pub const tag_crate_dep_hash: usize = 0x37; pub const tag_crate_dep_explicitly_linked: usize = 0x38; // top-level only pub const tag_item_trait_item: usize = 0x3a; pub const tag_item_trait_ref: usize = 0x3b; // discriminator value for variants pub const tag_disr_val: usize = 0x3c; // GAP 0x3d, 0x3e, 0x3f, 0x40 pub const tag_item_field: usize = 0x41; // GAP 0x42 pub const tag_item_variances: usize = 0x43; /* trait items contain tag_item_trait_item elements, impl items contain tag_item_impl_item elements, and classes have both. That's because some code treats classes like traits, and other code treats them like impls. Because classes can contain both, tag_item_trait_item and tag_item_impl_item have to be two different tags. */ pub const tag_item_impl_item: usize = 0x44; pub const tag_item_trait_method_explicit_self: usize = 0x45; // Reexports are found within module tags. Each reexport contains def_ids // and names. pub const tag_items_data_item_reexport: usize = 0x46; pub const tag_items_data_item_reexport_def_id: usize = 0x47; pub const tag_items_data_item_reexport_name: usize = 0x48; // used to encode crate_ctxt side tables enum_from_u32! { #[derive(Copy, Clone, PartialEq)] #[repr(usize)] pub enum astencode_tag { // Reserves 0x50 -- 0x6f tag_ast = 0x50, tag_tree = 0x51, tag_mir = 0x52, tag_table = 0x53, // GAP 0x54, 0x55 tag_table_def = 0x56, tag_table_node_type = 0x57, tag_table_item_subst = 0x58, tag_table_freevars = 0x59, // GAP 0x5a, 0x5b, 0x5c, 0x5d, 0x5e tag_table_method_map = 0x5f, // GAP 0x60 tag_table_adjustments = 0x61, // GAP 0x62, 0x63, 0x64, 0x65 tag_table_upvar_capture_map = 0x66, // GAP 0x67, 0x68 tag_table_const_qualif = 0x69, tag_table_cast_kinds = 0x6a, } } pub const tag_item_trait_item_sort: usize = 0x70; pub const tag_crate_triple: usize = 0x105; // top-level only pub const tag_dylib_dependency_formats: usize = 0x106; // top-level only // Language items are a top-level directory (for speed). Hierarchy: // // tag_lang_items // - tag_lang_items_item // - tag_lang_items_item_id: u32 // - tag_lang_items_item_index: u32 pub const tag_lang_items: usize = 0x107; // top-level only pub const tag_lang_items_item: usize = 0x73; pub const tag_lang_items_item_id: usize = 0x74; pub const tag_lang_items_item_index: usize = 0x75; pub const tag_lang_items_missing: usize = 0x76; pub const tag_item_unnamed_field: usize = 0x77; pub const tag_items_data_item_visibility: usize = 0x78; pub const tag_items_data_item_inherent_impl: usize = 0x79; // GAP 0x7a pub const tag_mod_child: usize = 0x7b; pub const tag_misc_info: usize = 0x108; // top-level only pub const tag_misc_info_crate_items: usize = 0x7c; pub const tag_impls: usize = 0x109; // top-level only pub const tag_impls_trait: usize = 0x7d; pub const tag_impls_trait_impl: usize = 0x7e; // GAP 0x7f, 0x80, 0x81 pub const tag_native_libraries: usize = 0x10a; // top-level only pub const tag_native_libraries_lib: usize = 0x82; pub const tag_native_libraries_name: usize = 0x83; pub const tag_native_libraries_kind: usize = 0x84; pub const tag_plugin_registrar_fn: usize = 0x10b; // top-level only pub const tag_method_argument_names: usize = 0x85; pub const tag_method_argument_name: usize = 0x86; pub const tag_reachable_ids: usize = 0x10c; // top-level only pub const tag_reachable_id: usize = 0x87; pub const tag_items_data_item_stability: usize = 0x88; pub const tag_items_data_item_repr: usize = 0x89; pub const tag_struct_fields: usize = 0x10d; // top-level only pub const tag_struct_field: usize = 0x8a; pub const tag_items_data_item_struct_ctor: usize = 0x8b; pub const tag_attribute_is_sugared_doc: usize = 0x8c; // GAP 0x8d pub const tag_items_data_region: usize = 0x8e; pub const tag_item_generics: usize = 0x8f; // GAP 0x90, 0x91, 0x92, 0x93, 0x94 pub const tag_item_predicates: usize = 0x95; // GAP 0x96 pub const tag_predicate: usize = 0x97; // GAP 0x98, 0x99 pub const tag_unsafety: usize = 0x9a; pub const tag_associated_type_names: usize = 0x9b; pub const tag_associated_type_name: usize = 0x9c; pub const tag_polarity: usize = 0x9d; pub const tag_macro_defs: usize = 0x10e; // top-level only pub const tag_macro_def: usize = 0x9e; pub const tag_macro_def_body: usize = 0x9f; pub const tag_macro_def_span_lo: usize = 0xa8; pub const tag_macro_def_span_hi: usize = 0xa9; pub const tag_paren_sugar: usize = 0xa0; pub const tag_codemap: usize = 0xa1; pub const tag_codemap_filemap: usize = 0xa2; pub const tag_item_super_predicates: usize = 0xa3; pub const tag_defaulted_trait: usize = 0xa4; pub const tag_impl_coerce_unsized_kind: usize = 0xa5; pub const tag_items_data_item_constness: usize = 0xa6; pub const tag_items_data_item_deprecation: usize = 0xa7; pub const tag_items_data_item_defaultness: usize = 0xa8; pub const tag_items_data_parent_impl: usize = 0xa9; pub const tag_rustc_version: usize = 0x10f; pub fn rustc_version() -> String { format!( "rustc {}", option_env!("CFG_VERSION").unwrap_or("unknown version") ) } pub const tag_panic_strategy: usize = 0x114; // NB: increment this if you change the format of metadata such that // rustc_version can't be found. pub const metadata_encoding_version : &'static [u8] = &[b'r', b'u', b's', b't', 0, 0, 0, 2];