1 // Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 #![allow(non_camel_case_types, non_upper_case_globals)]
13 pub use self::astencode_tag::*;
17 // RBML enum definitions and utils shared by the encoder and decoder
19 // 0x00..0x1f: reserved for RBML generic type tags
20 // 0x20..0xef: free for use, preferred for frequent tags
21 // 0xf0..0xff: internally used by RBML to encode 0x100..0xfff in two bytes
22 // 0x100..0xfff: free for use, preferred for infrequent tags
24 pub const tag_items: usize = 0x100; // top-level only
26 pub const tag_paths_data_name: usize = 0x20;
28 pub const tag_def_id: usize = 0x21;
30 pub const tag_items_data: usize = 0x22;
32 pub const tag_items_data_item: usize = 0x23;
34 pub const tag_items_data_item_family: usize = 0x24;
36 pub const tag_items_data_item_type: usize = 0x25;
38 pub const tag_items_data_item_symbol: usize = 0x26;
40 pub const tag_items_data_item_variant: usize = 0x27;
42 pub const tag_items_data_parent_item: usize = 0x28;
44 pub const tag_items_data_item_is_tuple_struct_ctor: usize = 0x29;
46 pub const tag_items_closure_kind: usize = 0x2a;
48 pub const tag_items_closure_ty: usize = 0x2b;
50 pub const tag_index: usize = 0x2c;
52 pub const tag_def_key: usize = 0x2d;
56 pub const tag_meta_item_name_value: usize = 0x2f;
58 pub const tag_meta_item_name: usize = 0x30;
60 pub const tag_meta_item_value: usize = 0x31;
62 pub const tag_attributes: usize = 0x101; // top-level only
64 pub const tag_attribute: usize = 0x32;
66 pub const tag_meta_item_word: usize = 0x33;
68 pub const tag_meta_item_list: usize = 0x34;
70 // The list of crates that this crate depends on
71 pub const tag_crate_deps: usize = 0x102; // top-level only
73 // A single crate dependency
74 pub const tag_crate_dep: usize = 0x35;
76 pub const tag_crate_hash: usize = 0x103; // top-level only
77 pub const tag_crate_crate_name: usize = 0x104; // top-level only
79 pub const tag_crate_dep_crate_name: usize = 0x36;
80 pub const tag_crate_dep_hash: usize = 0x37;
81 pub const tag_crate_dep_explicitly_linked: usize = 0x38; // top-level only
83 pub const tag_mod_impl: usize = 0x39;
85 pub const tag_item_trait_item: usize = 0x3a;
87 pub const tag_item_trait_ref: usize = 0x3b;
89 // discriminator value for variants
90 pub const tag_disr_val: usize = 0x3c;
92 // used to encode ast_map::PathElem
93 pub const tag_path: usize = 0x3d;
94 pub const tag_path_len: usize = 0x3e;
95 pub const tag_path_elem_mod: usize = 0x3f;
96 pub const tag_path_elem_name: usize = 0x40;
97 pub const tag_item_field: usize = 0x41;
98 pub const tag_item_field_origin: usize = 0x42;
100 pub const tag_item_variances: usize = 0x43;
102 trait items contain tag_item_trait_item elements,
103 impl items contain tag_item_impl_item elements, and classes
104 have both. That's because some code treats classes like traits,
105 and other code treats them like impls. Because classes can contain
106 both, tag_item_trait_item and tag_item_impl_item have to be two
109 pub const tag_item_impl_item: usize = 0x44;
110 pub const tag_item_trait_method_explicit_self: usize = 0x45;
113 // Reexports are found within module tags. Each reexport contains def_ids
115 pub const tag_items_data_item_reexport: usize = 0x46;
116 pub const tag_items_data_item_reexport_def_id: usize = 0x47;
117 pub const tag_items_data_item_reexport_name: usize = 0x48;
119 // used to encode crate_ctxt side tables
121 #[derive(Copy, Clone, PartialEq)]
123 pub enum astencode_tag { // Reserves 0x50 -- 0x6f
132 tag_table_def = 0x56,
133 tag_table_node_type = 0x57,
134 tag_table_item_subst = 0x58,
135 tag_table_freevars = 0x59,
136 tag_table_tcache = 0x5a,
137 tag_table_param_defs = 0x5b,
138 tag_table_mutbl = 0x5c,
139 tag_table_last_use = 0x5d,
140 tag_table_spill = 0x5e,
141 tag_table_method_map = 0x5f,
142 tag_table_vtable_map = 0x60,
143 tag_table_adjustments = 0x61,
144 tag_table_moves_map = 0x62,
145 tag_table_capture_map = 0x63,
147 tag_table_upvar_capture_map = 0x66,
148 tag_table_capture_modes = 0x67,
150 tag_table_const_qualif = 0x69,
151 tag_table_cast_kinds = 0x6a,
155 pub const tag_item_trait_item_sort: usize = 0x70;
157 pub const tag_item_trait_parent_sort: usize = 0x71;
159 pub const tag_item_impl_type_basename: usize = 0x72;
161 pub const tag_crate_triple: usize = 0x105; // top-level only
163 pub const tag_dylib_dependency_formats: usize = 0x106; // top-level only
165 // Language items are a top-level directory (for speed). Hierarchy:
168 // - tag_lang_items_item
169 // - tag_lang_items_item_id: u32
170 // - tag_lang_items_item_index: u32
172 pub const tag_lang_items: usize = 0x107; // top-level only
173 pub const tag_lang_items_item: usize = 0x73;
174 pub const tag_lang_items_item_id: usize = 0x74;
175 pub const tag_lang_items_item_index: usize = 0x75;
176 pub const tag_lang_items_missing: usize = 0x76;
178 pub const tag_item_unnamed_field: usize = 0x77;
179 pub const tag_items_data_item_visibility: usize = 0x78;
181 pub const tag_item_method_tps: usize = 0x79;
182 pub const tag_item_method_fty: usize = 0x7a;
184 pub const tag_mod_child: usize = 0x7b;
185 pub const tag_misc_info: usize = 0x108; // top-level only
186 pub const tag_misc_info_crate_items: usize = 0x7c;
189 pub const tag_item_impl_vtables: usize = 0x7e;
191 pub const tag_impls: usize = 0x109; // top-level only
192 pub const tag_impls_impl: usize = 0x7f;
193 pub const tag_impls_impl_trait_def_id: usize = 0x8d;
195 pub const tag_items_data_item_inherent_impl: usize = 0x80;
196 pub const tag_items_data_item_extension_impl: usize = 0x81;
198 pub const tag_native_libraries: usize = 0x10a; // top-level only
199 pub const tag_native_libraries_lib: usize = 0x82;
200 pub const tag_native_libraries_name: usize = 0x83;
201 pub const tag_native_libraries_kind: usize = 0x84;
203 pub const tag_plugin_registrar_fn: usize = 0x10b; // top-level only
205 pub const tag_method_argument_names: usize = 0x85;
206 pub const tag_method_argument_name: usize = 0x86;
208 pub const tag_reachable_ids: usize = 0x10c; // top-level only
209 pub const tag_reachable_id: usize = 0x87;
211 pub const tag_items_data_item_stability: usize = 0x88;
213 pub const tag_items_data_item_repr: usize = 0x89;
215 #[derive(Clone, Debug)]
216 pub struct LinkMeta {
217 pub crate_name: String,
221 pub const tag_struct_fields: usize = 0x10d; // top-level only
222 pub const tag_struct_field: usize = 0x8a;
225 pub const tag_attribute_is_sugared_doc: usize = 0x8c;
227 pub const tag_items_data_region: usize = 0x8e;
229 pub const tag_region_param_def: usize = 0x8f;
230 pub const tag_region_param_def_ident: usize = 0x90;
231 pub const tag_region_param_def_def_id: usize = 0x91;
232 pub const tag_region_param_def_space: usize = 0x92;
233 pub const tag_region_param_def_index: usize = 0x93;
235 pub const tag_type_param_def: usize = 0x94;
237 pub const tag_item_generics: usize = 0x95;
238 pub const tag_method_ty_generics: usize = 0x96;
240 pub const tag_predicate: usize = 0x97;
241 pub const tag_predicate_space: usize = 0x98;
242 pub const tag_predicate_data: usize = 0x99;
244 pub const tag_unsafety: usize = 0x9a;
246 pub const tag_associated_type_names: usize = 0x9b;
247 pub const tag_associated_type_name: usize = 0x9c;
249 pub const tag_polarity: usize = 0x9d;
251 pub const tag_macro_defs: usize = 0x10e; // top-level only
252 pub const tag_macro_def: usize = 0x9e;
253 pub const tag_macro_def_body: usize = 0x9f;
255 pub const tag_paren_sugar: usize = 0xa0;
257 pub const tag_codemap: usize = 0xa1;
258 pub const tag_codemap_filemap: usize = 0xa2;
260 pub const tag_item_super_predicates: usize = 0xa3;
262 pub const tag_defaulted_trait: usize = 0xa4;
264 pub const tag_impl_coerce_unsized_kind: usize = 0xa5;
266 pub const tag_items_data_item_constness: usize = 0xa6;
268 pub const tag_rustc_version: usize = 0x10f;
269 pub fn rustc_version() -> String {
272 option_env!("CFG_VERSION").unwrap_or("unknown version")