gcc/rust/typecheck/rust-type-util.h

   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_TYPE_UTIL
  20 #define RUST_TYPE_UTIL
  21
  22 #include "rust-mapping-common.h"
  23 #include "rust-tyty.h"
  24
  25 namespace Rust {
  26 namespace Resolver {
  27
  28 bool
  29 query_type (HirId reference, TyTy::BaseType **result);
  30
  31 bool
  32 types_compatable (TyTy::TyWithLocation lhs, TyTy::TyWithLocation rhs,
  33                   location_t unify_locus, bool emit_errors);
  34
  35 TyTy::BaseType *
  36 unify_site (HirId id, TyTy::TyWithLocation lhs, TyTy::TyWithLocation rhs,
  37             location_t unify_locus);
  38
  39 TyTy::BaseType *
  40 unify_site_and (HirId id, TyTy::TyWithLocation lhs, TyTy::TyWithLocation rhs,
  41                 location_t unify_locus, bool emit_errors, bool commit_if_ok,
  42                 bool implicit_infer_vars, bool cleanup);
  43
  44 TyTy::BaseType *
  45 coercion_site (HirId id, TyTy::TyWithLocation lhs, TyTy::TyWithLocation rhs,
  46                location_t coercion_locus);
  47
  48 TyTy::BaseType *
  49 try_coercion (HirId id, TyTy::TyWithLocation lhs, TyTy::TyWithLocation rhs,
  50               location_t coercion_locus);
  51
  52 TyTy::BaseType *
  53 cast_site (HirId id, TyTy::TyWithLocation from, TyTy::TyWithLocation to,
  54            location_t cast_locus);
  55
  56 AssociatedImplTrait *
  57 lookup_associated_impl_block (const TyTy::TypeBoundPredicate &bound,
  58                               const TyTy::BaseType *binding,
  59                               bool *ambigious = nullptr);
  60
  61 } // namespace Resolver
  62 } // namespace Rust
  63
  64 #endif // RUST_TYPE_UTIL