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
::*;
15 // RBML enum definitions and utils shared by the encoder and decoder
17 // 0x00..0x1f: reserved for RBML generic type tags
18 // 0x20..0xef: free for use, preferred for frequent tags
19 // 0xf0..0xff: internally used by RBML to encode 0x100..0xfff in two bytes
20 // 0x100..0xfff: free for use, preferred for infrequent tags
22 pub const tag_items
: usize = 0x100; // top-level only
24 pub const tag_paths_data_name
: usize = 0x20;
26 pub const tag_def_id
: usize = 0x21;
28 pub const tag_items_data
: usize = 0x22;
30 pub const tag_items_data_item
: usize = 0x23;
32 pub const tag_items_data_item_family
: usize = 0x24;
34 pub const tag_items_data_item_type
: usize = 0x25;
36 pub const tag_items_data_item_symbol
: usize = 0x26;
38 pub const tag_items_data_item_variant
: usize = 0x27;
40 pub const tag_items_data_parent_item
: usize = 0x28;
42 pub const tag_items_data_item_is_tuple_struct_ctor
: usize = 0x29;
44 pub const tag_items_closure_kind
: usize = 0x2a;
45 pub const tag_items_closure_ty
: usize = 0x2b;
46 pub const tag_def_key
: usize = 0x2c;
50 pub const tag_index
: usize = 0x110; // top-level only
51 pub const tag_xref_index
: usize = 0x111; // top-level only
52 pub const tag_xref_data
: usize = 0x112; // top-level only
54 pub const tag_meta_item_name_value
: usize = 0x2f;
56 pub const tag_meta_item_name
: usize = 0x30;
58 pub const tag_meta_item_value
: usize = 0x31;
60 pub const tag_attributes
: usize = 0x101; // top-level only
62 pub const tag_attribute
: usize = 0x32;
64 pub const tag_meta_item_word
: usize = 0x33;
66 pub const tag_meta_item_list
: usize = 0x34;
68 // The list of crates that this crate depends on
69 pub const tag_crate_deps
: usize = 0x102; // top-level only
71 // A single crate dependency
72 pub const tag_crate_dep
: usize = 0x35;
74 pub const tag_crate_hash
: usize = 0x103; // top-level only
75 pub const tag_crate_crate_name
: usize = 0x104; // top-level only
76 pub const tag_crate_disambiguator
: usize = 0x113; // top-level only
78 pub const tag_crate_dep_crate_name
: usize = 0x36;
79 pub const tag_crate_dep_hash
: usize = 0x37;
80 pub const tag_crate_dep_explicitly_linked
: usize = 0x38; // top-level only
82 pub const tag_item_trait_item
: usize = 0x3a;
84 pub const tag_item_trait_ref
: usize = 0x3b;
86 // discriminator value for variants
87 pub const tag_disr_val
: usize = 0x3c;
89 // GAP 0x3d, 0x3e, 0x3f, 0x40
91 pub const tag_item_field
: usize = 0x41;
93 pub const tag_item_variances
: usize = 0x43;
95 trait items contain tag_item_trait_item elements,
96 impl items contain tag_item_impl_item elements, and classes
97 have both. That's because some code treats classes like traits,
98 and other code treats them like impls. Because classes can contain
99 both, tag_item_trait_item and tag_item_impl_item have to be two
102 pub const tag_item_impl_item
: usize = 0x44;
103 pub const tag_item_trait_method_explicit_self
: usize = 0x45;
106 // Reexports are found within module tags. Each reexport contains def_ids
108 pub const tag_items_data_item_reexport
: usize = 0x46;
109 pub const tag_items_data_item_reexport_def_id
: usize = 0x47;
110 pub const tag_items_data_item_reexport_name
: usize = 0x48;
112 // used to encode crate_ctxt side tables
114 #[derive(Copy, Clone, PartialEq)]
116 pub enum astencode_tag
{ // Reserves 0x50 -- 0x6f
125 tag_table_def
= 0x56,
126 tag_table_node_type
= 0x57,
127 tag_table_item_subst
= 0x58,
128 tag_table_freevars
= 0x59,
129 // GAP 0x5a, 0x5b, 0x5c, 0x5d, 0x5e
130 tag_table_method_map
= 0x5f,
132 tag_table_adjustments
= 0x61,
133 // GAP 0x62, 0x63, 0x64, 0x65
134 tag_table_upvar_capture_map
= 0x66,
136 tag_table_const_qualif
= 0x69,
137 tag_table_cast_kinds
= 0x6a,
141 pub const tag_item_trait_item_sort
: usize = 0x70;
143 pub const tag_crate_triple
: usize = 0x105; // top-level only
145 pub const tag_dylib_dependency_formats
: usize = 0x106; // top-level only
147 // Language items are a top-level directory (for speed). Hierarchy:
150 // - tag_lang_items_item
151 // - tag_lang_items_item_id: u32
152 // - tag_lang_items_item_index: u32
154 pub const tag_lang_items
: usize = 0x107; // top-level only
155 pub const tag_lang_items_item
: usize = 0x73;
156 pub const tag_lang_items_item_id
: usize = 0x74;
157 pub const tag_lang_items_item_index
: usize = 0x75;
158 pub const tag_lang_items_missing
: usize = 0x76;
160 pub const tag_item_unnamed_field
: usize = 0x77;
161 pub const tag_items_data_item_visibility
: usize = 0x78;
162 pub const tag_items_data_item_inherent_impl
: usize = 0x79;
164 pub const tag_mod_child
: usize = 0x7b;
165 pub const tag_misc_info
: usize = 0x108; // top-level only
166 pub const tag_misc_info_crate_items
: usize = 0x7c;
168 pub const tag_impls
: usize = 0x109; // top-level only
169 pub const tag_impls_trait
: usize = 0x7d;
170 pub const tag_impls_trait_impl
: usize = 0x7e;
172 // GAP 0x7f, 0x80, 0x81
174 pub const tag_native_libraries
: usize = 0x10a; // top-level only
175 pub const tag_native_libraries_lib
: usize = 0x82;
176 pub const tag_native_libraries_name
: usize = 0x83;
177 pub const tag_native_libraries_kind
: usize = 0x84;
179 pub const tag_plugin_registrar_fn
: usize = 0x10b; // top-level only
181 pub const tag_method_argument_names
: usize = 0x85;
182 pub const tag_method_argument_name
: usize = 0x86;
184 pub const tag_reachable_ids
: usize = 0x10c; // top-level only
185 pub const tag_reachable_id
: usize = 0x87;
187 pub const tag_items_data_item_stability
: usize = 0x88;
189 pub const tag_items_data_item_repr
: usize = 0x89;
191 pub const tag_struct_fields
: usize = 0x10d; // top-level only
192 pub const tag_struct_field
: usize = 0x8a;
194 pub const tag_items_data_item_struct_ctor
: usize = 0x8b;
195 pub const tag_attribute_is_sugared_doc
: usize = 0x8c;
197 pub const tag_items_data_region
: usize = 0x8e;
199 pub const tag_region_param_def
: usize = 0x8f;
200 pub const tag_region_param_def_ident
: usize = 0x90;
201 pub const tag_region_param_def_def_id
: usize = 0x91;
202 pub const tag_region_param_def_space
: usize = 0x92;
203 pub const tag_region_param_def_index
: usize = 0x93;
205 pub const tag_type_param_def
: usize = 0x94;
207 pub const tag_item_generics
: usize = 0x95;
208 pub const tag_method_ty_generics
: usize = 0x96;
210 pub const tag_type_predicate
: usize = 0x97;
211 pub const tag_self_predicate
: usize = 0x98;
212 pub const tag_fn_predicate
: usize = 0x99;
214 pub const tag_unsafety
: usize = 0x9a;
216 pub const tag_associated_type_names
: usize = 0x9b;
217 pub const tag_associated_type_name
: usize = 0x9c;
219 pub const tag_polarity
: usize = 0x9d;
221 pub const tag_macro_defs
: usize = 0x10e; // top-level only
222 pub const tag_macro_def
: usize = 0x9e;
223 pub const tag_macro_def_body
: usize = 0x9f;
224 pub const tag_macro_def_span_lo
: usize = 0xa8;
225 pub const tag_macro_def_span_hi
: usize = 0xa9;
227 pub const tag_paren_sugar
: usize = 0xa0;
229 pub const tag_codemap
: usize = 0xa1;
230 pub const tag_codemap_filemap
: usize = 0xa2;
232 pub const tag_item_super_predicates
: usize = 0xa3;
234 pub const tag_defaulted_trait
: usize = 0xa4;
236 pub const tag_impl_coerce_unsized_kind
: usize = 0xa5;
238 pub const tag_items_data_item_constness
: usize = 0xa6;
240 pub const tag_items_data_item_deprecation
: usize = 0xa7;
242 pub const tag_items_data_item_defaultness
: usize = 0xa8;
244 pub const tag_items_data_parent_impl
: usize = 0xa9;
246 pub const tag_rustc_version
: usize = 0x10f;
247 pub fn rustc_version() -> String
{
250 option_env
!("CFG_VERSION").unwrap_or("unknown version")