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a945c346 | 1 | // Copyright (C) 2020-2024 Free Software Foundation, Inc. |
7999cf32 PH |
2 | |
3 | // This file is part of GCC. | |
4 | ||
5 | // GCC is free software; you can redistribute it and/or modify it under | |
6 | // the terms of the GNU General Public License as published by the Free | |
7 | // Software Foundation; either version 3, or (at your option) any later | |
8 | // version. | |
9 | ||
10 | // GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
11 | // WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 | // for more details. | |
14 | ||
15 | // You should have received a copy of the GNU General Public License | |
16 | // along with GCC; see the file COPYING3. If not see | |
17 | // <http://www.gnu.org/licenses/>. | |
18 | ||
19 | #ifndef RUST_AST_LOWER_EXTERN_ITEM | |
20 | #define RUST_AST_LOWER_EXTERN_ITEM | |
21 | ||
22 | #include "rust-ast-lower-base.h" | |
23 | #include "rust-ast-lower-type.h" | |
24 | #include "rust-ast-lower.h" | |
25 | ||
26 | namespace Rust { | |
27 | namespace HIR { | |
28 | ||
29 | class ASTLoweringExternItem : public ASTLoweringBase | |
30 | { | |
31 | using Rust::HIR::ASTLoweringBase::visit; | |
32 | ||
33 | public: | |
34 | static HIR::ExternalItem *translate (AST::ExternalItem *item, | |
35 | HirId parent_hirid) | |
36 | { | |
37 | ASTLoweringExternItem resolver; | |
38 | item->accept_vis (resolver); | |
39 | ||
40 | rust_assert (resolver.translated != nullptr); | |
41 | resolver.mappings->insert_hir_extern_item (resolver.translated, | |
42 | parent_hirid); | |
43 | resolver.mappings->insert_location ( | |
44 | resolver.translated->get_mappings ().get_hirid (), | |
45 | resolver.translated->get_locus ()); | |
46 | ||
47 | return resolver.translated; | |
48 | } | |
49 | ||
50 | void visit (AST::ExternalStaticItem &item) override | |
51 | { | |
52 | HIR::Visibility vis = translate_visibility (item.get_visibility ()); | |
53 | HIR::Type *static_type | |
54 | = ASTLoweringType::translate (item.get_type ().get ()); | |
55 | ||
56 | auto crate_num = mappings->get_current_crate (); | |
57 | Analysis::NodeMapping mapping (crate_num, item.get_node_id (), | |
58 | mappings->get_next_hir_id (crate_num), | |
59 | mappings->get_next_localdef_id (crate_num)); | |
60 | ||
61 | translated = new HIR::ExternalStaticItem ( | |
62 | mapping, item.get_identifier (), std::unique_ptr<HIR::Type> (static_type), | |
63 | item.is_mut () ? Mutability::Mut : Mutability::Imm, std::move (vis), | |
64 | item.get_outer_attrs (), item.get_locus ()); | |
65 | } | |
66 | ||
67 | void visit (AST::ExternalFunctionItem &function) override | |
68 | { | |
69 | std::vector<std::unique_ptr<HIR::WhereClauseItem> > where_clause_items; | |
70 | HIR::WhereClause where_clause (std::move (where_clause_items)); | |
71 | HIR::Visibility vis = translate_visibility (function.get_visibility ()); | |
72 | ||
73 | std::vector<std::unique_ptr<HIR::GenericParam> > generic_params; | |
74 | if (function.has_generics ()) | |
75 | generic_params = lower_generic_params (function.get_generic_params ()); | |
76 | ||
77 | HIR::Type *return_type | |
78 | = function.has_return_type () | |
79 | ? ASTLoweringType::translate (function.get_return_type ().get ()) | |
80 | : nullptr; | |
81 | ||
82 | std::vector<HIR::NamedFunctionParam> function_params; | |
83 | for (auto ¶m : function.get_function_params ()) | |
84 | { | |
85 | HIR::Type *param_type | |
86 | = ASTLoweringType::translate (param.get_type ().get ()); | |
87 | Identifier param_name = param.get_name (); | |
88 | ||
89 | auto crate_num = mappings->get_current_crate (); | |
90 | Analysis::NodeMapping mapping (crate_num, param.get_node_id (), | |
91 | mappings->get_next_hir_id (crate_num), | |
92 | mappings->get_next_localdef_id ( | |
93 | crate_num)); | |
94 | ||
95 | function_params.push_back ( | |
96 | HIR::NamedFunctionParam (mapping, param_name, | |
97 | std::unique_ptr<HIR::Type> (param_type))); | |
98 | } | |
99 | ||
100 | auto crate_num = mappings->get_current_crate (); | |
101 | Analysis::NodeMapping mapping (crate_num, function.get_node_id (), | |
102 | mappings->get_next_hir_id (crate_num), | |
103 | mappings->get_next_localdef_id (crate_num)); | |
104 | ||
105 | translated = new HIR::ExternalFunctionItem ( | |
106 | mapping, function.get_identifier (), std::move (generic_params), | |
107 | std::unique_ptr<HIR::Type> (return_type), std::move (where_clause), | |
108 | std::move (function_params), function.is_variadic (), std::move (vis), | |
109 | function.get_outer_attrs (), function.get_locus ()); | |
110 | } | |
111 | ||
112 | private: | |
113 | ASTLoweringExternItem () : translated (nullptr) {} | |
114 | ||
115 | HIR::ExternalItem *translated; | |
116 | }; | |
117 | ||
118 | } // namespace HIR | |
119 | } // namespace Rust | |
120 | ||
121 | #endif // RUST_AST_LOWER_ITEM |