gcc/rust/backend/rust-compile-implitem.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_IMPLITEM_H
  20 #define RUST_COMPILE_IMPLITEM_H
  21
  22 #include "rust-compile-item.h"
  23 #include "rust-compile-expr.h"
  24 #include "rust-compile-fnparam.h"
  25
  26 namespace Rust {
  27 namespace Compile {
  28
  29 // this is a proxy for HIR::ImplItem's back to use the normel HIR::Item path
  30 class CompileInherentImplItem : public CompileItem
  31 {
  32 public:
  33   static tree Compile (HIR::ImplItem *item, Context *ctx,
  34                        TyTy::BaseType *concrete = nullptr,
  35                        bool is_query_mode = false,
  36                        Location ref_locus = Location ())
  37   {
  38     CompileInherentImplItem compiler (ctx, concrete, ref_locus);
  39     item->accept_vis (compiler);
  40
  41     if (is_query_mode && compiler.reference == error_mark_node)
  42       rust_internal_error_at (ref_locus, "failed to compile impl item: %s",
  43                               item->as_string ().c_str ());
  44
  45     return compiler.reference;
  46   }
  47
  48 private:
  49   CompileInherentImplItem (Context *ctx, TyTy::BaseType *concrete,
  50                            Location ref_locus)
  51     : CompileItem (ctx, concrete, ref_locus)
  52   {}
  53 };
  54
  55 class CompileTraitItem : public HIRCompileBase, public HIR::HIRTraitItemVisitor
  56 {
  57 public:
  58   static tree Compile (HIR::TraitItem *item, Context *ctx,
  59                        TyTy::BaseType *concrete, bool is_query_mode = false,
  60                        Location ref_locus = Location ())
  61   {
  62     CompileTraitItem compiler (ctx, concrete, ref_locus);
  63     item->accept_vis (compiler);
  64
  65     if (is_query_mode && compiler.reference == error_mark_node)
  66       rust_internal_error_at (ref_locus, "failed to compile trait item: %s",
  67                               item->as_string ().c_str ());
  68
  69     return compiler.reference;
  70   }
  71
  72   void visit (HIR::TraitItemConst &constant) override;
  73   void visit (HIR::TraitItemFunc &func) override;
  74
  75   void visit (HIR::TraitItemType &typ) override {}
  76
  77 private:
  78   CompileTraitItem (Context *ctx, TyTy::BaseType *concrete, Location ref_locus)
  79     : HIRCompileBase (ctx), concrete (concrete), reference (error_mark_node),
  80       ref_locus (ref_locus)
  81   {}
  82
  83   TyTy::BaseType *concrete;
  84   tree reference;
  85   Location ref_locus;
  86 };
  87
  88 } // namespace Compile
  89 } // namespace Rust
  90
  91 #endif // RUST_COMPILE_IMPLITEM_H