| // 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 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, 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_region_param_def: usize = 0x8f; |
| pub const tag_region_param_def_ident: usize = 0x90; |
| pub const tag_region_param_def_def_id: usize = 0x91; |
| pub const tag_region_param_def_space: usize = 0x92; |
| pub const tag_region_param_def_index: usize = 0x93; |
| |
| pub const tag_type_param_def: usize = 0x94; |
| |
| pub const tag_item_generics: usize = 0x95; |
| pub const tag_method_ty_generics: usize = 0x96; |
| |
| pub const tag_type_predicate: usize = 0x97; |
| pub const tag_self_predicate: usize = 0x98; |
| pub const tag_fn_predicate: usize = 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]; |
