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

   1 // Copyright (C) 2020-2024 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 #include "rust-hir-visitor.h"
  24
  25 namespace Rust {
  26 namespace Compile {
  27
  28 class ResolvePathRef : public HIRCompileBase, public HIR::HIRPatternVisitor
  29 {
  30 public:
  31   static tree Compile (HIR::QualifiedPathInExpression &expr, Context *ctx)
  32   {
  33     ResolvePathRef resolver (ctx);
  34     expr.accept_vis (resolver);
  35     return resolver.resolved;
  36   }
  37
  38   static tree Compile (HIR::PathInExpression &expr, Context *ctx)
  39   {
  40     ResolvePathRef resolver (ctx);
  41     expr.accept_vis (resolver);
  42     return resolver.resolved;
  43   }
  44
  45   void visit (HIR::PathInExpression &expr) override;
  46   void visit (HIR::QualifiedPathInExpression &expr) override;
  47
  48   // Empty visit for unused Pattern HIR nodes.
  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::AltPattern &) override {}
  55   void visit (HIR::StructPattern &) override {}
  56   void visit (HIR::TuplePattern &) override {}
  57   void visit (HIR::TupleStructPattern &) override {}
  58   void visit (HIR::WildcardPattern &) override {}
  59
  60   ResolvePathRef (Context *ctx)
  61     : HIRCompileBase (ctx), resolved (error_mark_node)
  62   {}
  63
  64   tree resolve (const HIR::PathIdentSegment &final_segment,
  65                 const Analysis::NodeMapping &mappings, location_t locus,
  66                 bool is_qualified_path);
  67
  68   tree resolved;
  69
  70 private:
  71   tree
  72   attempt_constructor_expression_lookup (TyTy::BaseType *lookup, Context *ctx,
  73                                          const Analysis::NodeMapping &mappings,
  74                                          location_t expr_locus);
  75 };
  76
  77 } // namespace Compile
  78 } // namespace Rust
  79
  80 #endif // RUST_COMPILE_RESOLVE_PATH