// 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 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::*; use std::mem; use back::svh::Svh; // EBML enum definitions and utils shared by the encoder and decoder pub const tag_items: uint = 0x00; pub const tag_paths_data_name: uint = 0x01; pub const tag_def_id: uint = 0x02; pub const tag_items_data: uint = 0x03; pub const tag_items_data_item: uint = 0x04; pub const tag_items_data_item_family: uint = 0x05; pub const tag_items_data_item_type: uint = 0x07; pub const tag_items_data_item_symbol: uint = 0x08; pub const tag_items_data_item_variant: uint = 0x09; pub const tag_items_data_parent_item: uint = 0x0a; pub const tag_items_data_item_is_tuple_struct_ctor: uint = 0x0b; pub const tag_index: uint = 0x0c; pub const tag_index_buckets: uint = 0x0d; pub const tag_index_buckets_bucket: uint = 0x0e; pub const tag_index_buckets_bucket_elt: uint = 0x0f; pub const tag_index_table: uint = 0x10; pub const tag_meta_item_name_value: uint = 0x11; pub const tag_meta_item_name: uint = 0x12; pub const tag_meta_item_value: uint = 0x13; pub const tag_attributes: uint = 0x14; pub const tag_attribute: uint = 0x15; pub const tag_meta_item_word: uint = 0x16; pub const tag_meta_item_list: uint = 0x17; // The list of crates that this crate depends on pub const tag_crate_deps: uint = 0x18; // A single crate dependency pub const tag_crate_dep: uint = 0x19; pub const tag_crate_hash: uint = 0x1a; pub const tag_crate_crate_name: uint = 0x1b; pub const tag_crate_dep_crate_name: uint = 0x1d; pub const tag_crate_dep_hash: uint = 0x1e; pub const tag_mod_impl: uint = 0x1f; pub const tag_item_trait_item: uint = 0x20; pub const tag_item_trait_ref: uint = 0x21; pub const tag_item_super_trait_ref: uint = 0x22; // discriminator value for variants pub const tag_disr_val: uint = 0x23; // used to encode ast_map::PathElem pub const tag_path: uint = 0x24; pub const tag_path_len: uint = 0x25; pub const tag_path_elem_mod: uint = 0x26; pub const tag_path_elem_name: uint = 0x27; pub const tag_item_field: uint = 0x28; pub const tag_item_field_origin: uint = 0x29; pub const tag_item_variances: uint = 0x2a; /* 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: uint = 0x30; pub const tag_item_trait_method_explicit_self: uint = 0x31; // Reexports are found within module tags. Each reexport contains def_ids // and names. pub const tag_items_data_item_reexport: uint = 0x38; pub const tag_items_data_item_reexport_def_id: uint = 0x39; pub const tag_items_data_item_reexport_name: uint = 0x3a; // used to encode crate_ctxt side tables #[derive(Copy, 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_closures = 0x54, tag_table_upvar_borrow_map = 0x55, tag_table_capture_modes = 0x56, tag_table_object_cast_map = 0x57, } static first_astencode_tag: uint = tag_ast as uint; static last_astencode_tag: uint = tag_table_object_cast_map as uint; impl astencode_tag { pub fn from_uint(value : uint) -> Option { let is_a_tag = first_astencode_tag <= value && value <= last_astencode_tag; if !is_a_tag { None } else { Some(unsafe { mem::transmute::(value) }) } } } pub const tag_item_trait_item_sort: uint = 0x60; pub const tag_item_trait_parent_sort: uint = 0x61; pub const tag_item_impl_type_basename: uint = 0x62; pub const tag_crate_triple: uint = 0x66; pub const 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 const tag_lang_items: uint = 0x70; pub const tag_lang_items_item: uint = 0x71; pub const tag_lang_items_item_id: uint = 0x72; pub const tag_lang_items_item_node_id: uint = 0x73; pub const tag_lang_items_missing: uint = 0x74; pub const tag_item_unnamed_field: uint = 0x75; pub const tag_items_data_item_visibility: uint = 0x76; pub const tag_item_method_tps: uint = 0x79; pub const tag_item_method_fty: uint = 0x7a; pub const tag_mod_child: uint = 0x7b; pub const tag_misc_info: uint = 0x7c; pub const tag_misc_info_crate_items: uint = 0x7d; pub const tag_item_method_provided_source: uint = 0x7e; pub const tag_item_impl_vtables: uint = 0x7f; pub const tag_impls: uint = 0x80; pub const tag_impls_impl: uint = 0x81; pub const tag_items_data_item_inherent_impl: uint = 0x82; pub const tag_items_data_item_extension_impl: uint = 0x83; // GAP 0x84, 0x85, 0x86 pub const tag_native_libraries: uint = 0x87; pub const tag_native_libraries_lib: uint = 0x88; pub const tag_native_libraries_name: uint = 0x89; pub const tag_native_libraries_kind: uint = 0x8a; pub const tag_plugin_registrar_fn: uint = 0x8b; // GAP 0x8c, 0x8d pub const tag_method_argument_names: uint = 0x8e; pub const tag_method_argument_name: uint = 0x8f; pub const tag_reachable_extern_fns: uint = 0x90; pub const tag_reachable_extern_fn_id: uint = 0x91; pub const tag_items_data_item_stability: uint = 0x92; pub const tag_items_data_item_repr: uint = 0x93; #[derive(Clone, Show)] pub struct LinkMeta { pub crate_name: String, pub crate_hash: Svh, } pub const tag_closures: uint = 0x95; pub const tag_closure: uint = 0x96; pub const tag_closure_type: uint = 0x97; pub const tag_closure_kind: uint = 0x98; pub const tag_struct_fields: uint = 0x99; pub const tag_struct_field: uint = 0x9a; pub const tag_struct_field_id: uint = 0x9b; pub const tag_attribute_is_sugared_doc: uint = 0x9c; pub const tag_trait_def_bounds: uint = 0x9d; pub const tag_items_data_region: uint = 0x9e; pub const tag_region_param_def: uint = 0xa0; pub const tag_region_param_def_ident: uint = 0xa1; pub const tag_region_param_def_def_id: uint = 0xa2; pub const tag_region_param_def_space: uint = 0xa3; pub const tag_region_param_def_index: uint = 0xa4; pub const tag_type_param_def: uint = 0xa5; pub const tag_item_generics: uint = 0xa6; pub const tag_method_ty_generics: uint = 0xa7; pub const tag_predicate: uint = 0xa8; pub const tag_predicate_space: uint = 0xa9; pub const tag_predicate_data: uint = 0xb0; pub const tag_unsafety: uint = 0xb1; pub const tag_associated_type_names: uint = 0xb2; pub const tag_associated_type_name: uint = 0xb3; pub const tag_polarity: uint = 0xb4; pub const tag_macro_defs: uint = 0xb5; pub const tag_macro_def: uint = 0xb6; pub const tag_macro_def_body: uint = 0xb7;