gcc/rust/backend/rust-compile-item.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_ITEM
  20 #define RUST_COMPILE_ITEM
  21
  22 #include "rust-compile-base.h"
  23
  24 namespace Rust {
  25 namespace Compile {
  26
  27 class CompileItem : private HIRCompileBase, protected HIR::HIRStmtVisitor
  28 {
  29 protected:
  30 public:
  31   static tree compile (HIR::Item *item, Context *ctx,
  32                        TyTy::BaseType *concrete = nullptr,
  33                        bool is_query_mode = false,
  34                        Location ref_locus = Location ())
  35   {
  36     CompileItem compiler (ctx, concrete, ref_locus);
  37     item->accept_vis (compiler);
  38
  39     if (is_query_mode && compiler.reference == error_mark_node)
  40       rust_internal_error_at (ref_locus, "failed to compile item: %s",
  41                               item->as_string ().c_str ());
  42
  43     return compiler.reference;
  44   }
  45
  46   void visit (HIR::StaticItem &var) override;
  47   void visit (HIR::ConstantItem &constant) override;
  48   void visit (HIR::Function &function) override;
  49   void visit (HIR::ImplBlock &impl_block) override;
  50   void visit (HIR::ExternBlock &extern_block) override;
  51   void visit (HIR::Module &module) override;
  52
  53   // Empty visit for unused Stmt HIR nodes.
  54   void visit (HIR::TupleStruct &) override {}
  55   void visit (HIR::EnumItem &) override {}
  56   void visit (HIR::EnumItemTuple &) override {}
  57   void visit (HIR::EnumItemStruct &) override {}
  58   void visit (HIR::EnumItemDiscriminant &) override {}
  59   void visit (HIR::TypePathSegmentFunction &) override {}
  60   void visit (HIR::TypePath &) override {}
  61   void visit (HIR::QualifiedPathInType &) override {}
  62   void visit (HIR::ExternCrate &) override {}
  63   void visit (HIR::UseDeclaration &) override {}
  64   void visit (HIR::TypeAlias &) override {}
  65   void visit (HIR::StructStruct &) override {}
  66   void visit (HIR::Enum &) override {}
  67   void visit (HIR::Union &) override {}
  68   void visit (HIR::Trait &) override {}
  69   void visit (HIR::EmptyStmt &) override {}
  70   void visit (HIR::LetStmt &) override {}
  71   void visit (HIR::ExprStmtWithoutBlock &) override {}
  72   void visit (HIR::ExprStmtWithBlock &) override {}
  73
  74 protected:
  75   CompileItem (Context *ctx, TyTy::BaseType *concrete, Location ref_locus)
  76     : HIRCompileBase (ctx), concrete (concrete), reference (error_mark_node),
  77       ref_locus (ref_locus)
  78   {}
  79
  80   TyTy::BaseType *concrete;
  81   tree reference;
  82   Location ref_locus;
  83 };
  84
  85 } // namespace Compile
  86 } // namespace Rust
  87
  88 #endif // RUST_COMPILE_ITEM