1  // Copyright (C) 2020-2023 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_TYPE_CHECK_PATTERN
      20  #define RUST_HIR_TYPE_CHECK_PATTERN
      21  
      22  #include "rust-hir-type-check-base.h"
      23  #include "rust-hir-full.h"
      24  
      25  namespace Rust {
      26  namespace Resolver {
      27  
      28  class TypeCheckPattern : public TypeCheckBase, public HIR::HIRPatternVisitor
      29  {
      30  public:
      31    static TyTy::BaseType *Resolve (HIR::Pattern *pattern,
      32  				  TyTy::BaseType *parent);
      33  
      34    void visit (HIR::PathInExpression &pattern) override;
      35    void visit (HIR::StructPattern &pattern) override;
      36    void visit (HIR::TupleStructPattern &pattern) override;
      37    void visit (HIR::WildcardPattern &pattern) override;
      38    void visit (HIR::TuplePattern &pattern) override;
      39    void visit (HIR::LiteralPattern &pattern) override;
      40    void visit (HIR::RangePattern &pattern) override;
      41    void visit (HIR::IdentifierPattern &pattern) override;
      42    void visit (HIR::QualifiedPathInExpression &pattern) override;
      43    void visit (HIR::ReferencePattern &pattern) override;
      44    void visit (HIR::SlicePattern &pattern) override;
      45  
      46  private:
      47    TypeCheckPattern (TyTy::BaseType *parent);
      48  
      49    static TyTy::BaseType *
      50    typecheck_range_pattern_bound (HIR::RangePatternBound *bound,
      51  				 Analysis::NodeMapping mappings,
      52  				 Location locus);
      53  
      54    TyTy::BaseType *parent;
      55    TyTy::BaseType *infered;
      56  };
      57  
      58  } // namespace Resolver
      59  } // namespace Rust
      60  
      61  #endif // RUST_HIR_TYPE_CHECK_PATTERN