Line data    Source code

       1              : // Copyright (C) 2020-2026 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_HIR_TRAIT_BOUND_H
      20              : #define RUST_HIR_TRAIT_BOUND_H
      21              : 
      22              : #include "rust-hir-bound-abstract.h"
      23              : #include "rust-hir-path.h"
      24              : #include "rust-hir-generic-param.h"
      25              : 
      26              : namespace Rust {
      27              : namespace HIR {
      28              : 
      29              : // A trait bound
      30              : class TraitBound : public TypeParamBound
      31              : {
      32              :   bool in_parens;
      33              :   BoundPolarity polarity;
      34              :   std::vector<LifetimeParam> for_lifetimes;
      35              :   TypePath type_path;
      36              :   location_t locus;
      37              : 
      38              :   Analysis::NodeMapping mappings;
      39              : 
      40              : public:
      41              :   // Returns whether trait bound has "for" lifetimes
      42            0 :   bool has_for_lifetimes () const { return !for_lifetimes.empty (); }
      43              : 
      44         1816 :   TraitBound (Analysis::NodeMapping mapping, TypePath type_path,
      45              :               location_t locus, bool in_parens = false,
      46              :               BoundPolarity polarity = BoundPolarity::RegularBound,
      47              :               std::vector<LifetimeParam> for_lifetimes
      48              :               = std::vector<LifetimeParam> ())
      49         1816 :     : in_parens (in_parens), polarity (polarity),
      50         1816 :       for_lifetimes (std::move (for_lifetimes)),
      51         1816 :       type_path (std::move (type_path)), locus (locus), mappings (mapping)
      52         1816 :   {}
      53              : 
      54              :   std::string to_string () const override;
      55              : 
      56              :   std::string to_debug_string () const;
      57              : 
      58         1817 :   location_t get_locus () const override final { return locus; }
      59              : 
      60              :   void accept_vis (HIRFullVisitor &vis) override;
      61              : 
      62         1816 :   Analysis::NodeMapping get_mappings () const override final
      63              :   {
      64         1816 :     return mappings;
      65              :   }
      66              : 
      67         1878 :   std::vector<LifetimeParam> &get_for_lifetimes () { return for_lifetimes; }
      68            0 :   bool get_in_parens () { return in_parens; }
      69         2210 :   BoundPolarity get_polarity () { return polarity; }
      70              : 
      71         3575 :   BoundType get_bound_type () const final override { return TRAITBOUND; }
      72              : 
      73         4367 :   TypePath &get_path () { return type_path; }
      74              : 
      75              :   const TypePath &get_path () const { return type_path; }
      76              : 
      77              : protected:
      78              :   /* Use covariance to implement clone function as returning this object rather
      79              :    * than base */
      80          104 :   TraitBound *clone_type_param_bound_impl () const override
      81              :   {
      82          104 :     return new TraitBound (*this);
      83              :   }
      84              : };
      85              : 
      86              : } // namespace HIR
      87              : } // namespace Rust
      88              : 
      89              : #endif