/
common.rs
236 lines (170 loc) · 7.03 KB
/
common.rs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
// Copyright 2012-2014 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)]
use std::mem;
use back::svh::Svh;
// EBML enum definitions and utils shared by the encoder and decoder
pub static tag_items: uint = 0x00;
pub static tag_paths_data_name: uint = 0x01;
pub static tag_def_id: uint = 0x02;
pub static tag_items_data: uint = 0x03;
pub static tag_items_data_item: uint = 0x04;
pub static tag_items_data_item_family: uint = 0x05;
pub static tag_items_data_item_ty_param_bounds: uint = 0x06;
pub static tag_items_data_item_type: uint = 0x07;
pub static tag_items_data_item_symbol: uint = 0x08;
pub static tag_items_data_item_variant: uint = 0x09;
pub static tag_items_data_parent_item: uint = 0x0a;
pub static tag_items_data_item_is_tuple_struct_ctor: uint = 0x0b;
pub static tag_index: uint = 0x0c;
pub static tag_index_buckets: uint = 0x0d;
pub static tag_index_buckets_bucket: uint = 0x0e;
pub static tag_index_buckets_bucket_elt: uint = 0x0f;
pub static tag_index_table: uint = 0x10;
pub static tag_meta_item_name_value: uint = 0x11;
pub static tag_meta_item_name: uint = 0x12;
pub static tag_meta_item_value: uint = 0x13;
pub static tag_attributes: uint = 0x14;
pub static tag_attribute: uint = 0x15;
pub static tag_meta_item_word: uint = 0x16;
pub static tag_meta_item_list: uint = 0x17;
// The list of crates that this crate depends on
pub static tag_crate_deps: uint = 0x18;
// A single crate dependency
pub static tag_crate_dep: uint = 0x19;
pub static tag_crate_hash: uint = 0x1a;
pub static tag_crate_crate_name: uint = 0x1b;
pub static tag_crate_dep_crate_name: uint = 0x1d;
pub static tag_crate_dep_hash: uint = 0x1e;
pub static tag_mod_impl: uint = 0x1f;
pub static tag_item_trait_method: uint = 0x20;
pub static tag_item_trait_ref: uint = 0x21;
pub static tag_item_super_trait_ref: uint = 0x22;
// discriminator value for variants
pub static tag_disr_val: uint = 0x23;
// used to encode ast_map::PathElem
pub static tag_path: uint = 0x24;
pub static tag_path_len: uint = 0x25;
pub static tag_path_elem_mod: uint = 0x26;
pub static tag_path_elem_name: uint = 0x27;
pub static tag_item_field: uint = 0x28;
pub static tag_item_field_origin: uint = 0x29;
pub static tag_item_variances: uint = 0x2a;
/*
trait items contain tag_item_trait_method elements,
impl items contain tag_item_impl_method 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_method and tag_item_impl_method have to be two
different tags.
*/
pub static tag_item_impl_method: uint = 0x30;
pub static tag_item_trait_method_explicit_self: uint = 0x31;
// Reexports are found within module tags. Each reexport contains def_ids
// and names.
pub static tag_items_data_item_reexport: uint = 0x38;
pub static tag_items_data_item_reexport_def_id: uint = 0x39;
pub static tag_items_data_item_reexport_name: uint = 0x3a;
// used to encode crate_ctxt side tables
#[deriving(PartialEq)]
#[repr(uint)]
pub enum astencode_tag { // Reserves 0x40 -- 0x5f
tag_ast = 0x40,
tag_tree = 0x41,
tag_id_range = 0x42,
tag_table = 0x43,
tag_table_id = 0x44,
tag_table_val = 0x45,
tag_table_def = 0x46,
tag_table_node_type = 0x47,
tag_table_item_subst = 0x48,
tag_table_freevars = 0x49,
tag_table_tcache = 0x4a,
tag_table_param_defs = 0x4b,
tag_table_mutbl = 0x4c,
tag_table_last_use = 0x4d,
tag_table_spill = 0x4e,
tag_table_method_map = 0x4f,
tag_table_vtable_map = 0x50,
tag_table_adjustments = 0x51,
tag_table_moves_map = 0x52,
tag_table_capture_map = 0x53,
tag_table_unboxed_closure_type = 0x54,
tag_table_upvar_borrow_map = 0x55,
}
static first_astencode_tag: uint = tag_ast as uint;
static last_astencode_tag: uint = tag_table_upvar_borrow_map as uint;
impl astencode_tag {
pub fn from_uint(value : uint) -> Option<astencode_tag> {
let is_a_tag = first_astencode_tag <= value && value <= last_astencode_tag;
if !is_a_tag { None } else {
Some(unsafe { mem::transmute(value) })
}
}
}
pub static tag_item_trait_method_sort: uint = 0x60;
pub static tag_item_impl_type_basename: uint = 0x61;
pub static tag_crate_triple: uint = 0x66;
pub static tag_dylib_dependency_formats: uint = 0x67;
// 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_node_id: u32
pub static tag_lang_items: uint = 0x70;
pub static tag_lang_items_item: uint = 0x71;
pub static tag_lang_items_item_id: uint = 0x72;
pub static tag_lang_items_item_node_id: uint = 0x73;
pub static tag_lang_items_missing: uint = 0x74;
pub static tag_item_unnamed_field: uint = 0x75;
pub static tag_items_data_item_visibility: uint = 0x76;
pub static tag_items_data_item_sized: uint = 0x77;
pub static tag_item_method_tps: uint = 0x79;
pub static tag_item_method_fty: uint = 0x7a;
pub static tag_mod_child: uint = 0x7b;
pub static tag_misc_info: uint = 0x7c;
pub static tag_misc_info_crate_items: uint = 0x7d;
pub static tag_item_method_provided_source: uint = 0x7e;
pub static tag_item_impl_vtables: uint = 0x7f;
pub static tag_impls: uint = 0x80;
pub static tag_impls_impl: uint = 0x81;
pub static tag_items_data_item_inherent_impl: uint = 0x82;
pub static tag_items_data_item_extension_impl: uint = 0x83;
// GAP 0x84, 0x85, 0x86
pub static tag_native_libraries: uint = 0x87;
pub static tag_native_libraries_lib: uint = 0x88;
pub static tag_native_libraries_name: uint = 0x89;
pub static tag_native_libraries_kind: uint = 0x8a;
pub static tag_plugin_registrar_fn: uint = 0x8b;
pub static tag_exported_macros: uint = 0x8c;
pub static tag_macro_def: uint = 0x8d;
pub static tag_method_argument_names: uint = 0x8e;
pub static tag_method_argument_name: uint = 0x8f;
pub static tag_reachable_extern_fns: uint = 0x90;
pub static tag_reachable_extern_fn_id: uint = 0x91;
pub static tag_items_data_item_stability: uint = 0x92;
#[deriving(Clone, Show)]
pub struct LinkMeta {
pub crate_name: String,
pub crate_hash: Svh,
}
pub static tag_region_param_def: uint = 0x90;
pub static tag_region_param_def_ident: uint = 0x91;
pub static tag_region_param_def_def_id: uint = 0x92;
pub static tag_region_param_def_space: uint = 0x93;
pub static tag_region_param_def_index: uint = 0x94;
pub static tag_unboxed_closures: uint = 0x95;
pub static tag_unboxed_closure: uint = 0x96;
pub static tag_unboxed_closure_type: uint = 0x97;
pub static tag_struct_fields: uint = 0x98;
pub static tag_struct_field: uint = 0x99;
pub static tag_struct_field_id: uint = 0x9a;
pub static tag_attribute_is_sugared_doc: uint = 0x9b;