gcc/rust/backend/rust-compile-resolve-path.h

   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_COMPILE_RESOLVE_PATH
  20 #define RUST_COMPILE_RESOLVE_PATH
  21
  22 #include "rust-compile-base.h"
  23
  24 namespace Rust {
  25 namespace Compile {
  26
  27 class ResolvePathRef : public HIRCompileBase, public HIR::HIRPatternVisitor
  28 {
  29 public:
  30   static tree Compile (HIR::QualifiedPathInExpression &expr, Context *ctx)
  31   {
  32     ResolvePathRef resolver (ctx);
  33     expr.accept_vis (resolver);
  34     return resolver.resolved;
  35   }
  36
  37   static tree Compile (HIR::PathInExpression &expr, Context *ctx)
  38   {
  39     ResolvePathRef resolver (ctx);
  40     expr.accept_vis (resolver);
  41     return resolver.resolved;
  42   }
  43
  44   void visit (HIR::PathInExpression &expr) override;
  45   void visit (HIR::QualifiedPathInExpression &expr) override;
  46
  47   // Empty visit for unused Pattern HIR nodes.
  48   void visit (HIR::GroupedPattern &) override {}
  49   void visit (HIR::IdentifierPattern &) override {}
  50   void visit (HIR::LiteralPattern &) override {}
  51   void visit (HIR::RangePattern &) override {}
  52   void visit (HIR::ReferencePattern &) override {}
  53   void visit (HIR::SlicePattern &) override {}
  54   void visit (HIR::StructPattern &) override {}
  55   void visit (HIR::TuplePattern &) override {}
  56   void visit (HIR::TupleStructPattern &) override {}
  57   void visit (HIR::WildcardPattern &) override {}
  58
  59   ResolvePathRef (Context *ctx)
  60     : HIRCompileBase (ctx), resolved (error_mark_node)
  61   {}
  62
  63   tree resolve (const HIR::PathIdentSegment &final_segment,
  64                 const Analysis::NodeMapping &mappings, Location locus,
  65                 bool is_qualified_path);
  66
  67   tree resolved;
  68 };
  69
  70 } // namespace Compile
  71 } // namespace Rust
  72
  73 #endif // RUST_COMPILE_RESOLVE_PATH