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1 // Copyright (C) 2020-2025 Free Software Foundation, Inc.
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_CASTS
20 #define RUST_CASTS
21
22 #include "rust-tyty.h"
23 #include "rust-coercion.h"
24
25 namespace Rust {
26 namespace Resolver {
27
28 class TypeCastRules
29 {
30 public:
31 static TypeCoercionRules::CoercionResult resolve (location_t locus,
32 TyTy::TyWithLocation from,
33 TyTy::TyWithLocation to);
34
35 protected:
36 TypeCoercionRules::CoercionResult check ();
37 TypeCoercionRules::CoercionResult cast_rules ();
38 TypeCoercionRules::CoercionResult check_ptr_ptr_cast ();
39
40 void emit_cast_error () const;
41
42 protected:
43 TypeCastRules (location_t locus, TyTy::TyWithLocation from,
44 TyTy::TyWithLocation to);
45
46 location_t locus;
47 TyTy::TyWithLocation from;
48 TyTy::TyWithLocation to;
49 };
50
51 } // namespace Resolver
52 } // namespace Rust
53
54 #endif // RUST_CASTS