| // Copyright (C) 2020-2023 Free Software Foundation, Inc. |
| |
| // This file is part of GCC. |
| |
| // GCC is free software; you can redistribute it and/or modify it under |
| // the terms of the GNU General Public License as published by the Free |
| // Software Foundation; either version 3, or (at your option) any later |
| // version. |
| |
| // GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| // WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| // for more details. |
| |
| // You should have received a copy of the GNU General Public License |
| // along with GCC; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| #ifndef RUST_COMPILE_VAR_DECL |
| #define RUST_COMPILE_VAR_DECL |
| |
| #include "rust-compile-base.h" |
| #include "rust-hir-visitor.h" |
| |
| namespace Rust { |
| namespace Compile { |
| |
| class CompileVarDecl : public HIRCompileBase, public HIR::HIRPatternVisitor |
| { |
| using HIR::HIRPatternVisitor::visit; |
| |
| public: |
| static void compile (tree fndecl, tree translated_type, HIR::Pattern *pattern, |
| std::vector<Bvariable *> &locals, Context *ctx) |
| { |
| CompileVarDecl compiler (ctx, fndecl, translated_type, locals); |
| pattern->accept_vis (compiler); |
| } |
| |
| void visit (HIR::IdentifierPattern &pattern) override |
| { |
| if (!pattern.is_mut ()) |
| translated_type = ctx->get_backend ()->immutable_type (translated_type); |
| |
| Bvariable *var |
| = ctx->get_backend ()->local_variable (fndecl, pattern.get_identifier (), |
| translated_type, NULL /*decl_var*/, |
| pattern.get_locus ()); |
| |
| HirId stmt_id = pattern.get_pattern_mappings ().get_hirid (); |
| ctx->insert_var_decl (stmt_id, var); |
| |
| locals.push_back (var); |
| } |
| |
| // Empty visit for unused Pattern HIR nodes. |
| void visit (HIR::LiteralPattern &) override {} |
| void visit (HIR::PathInExpression &) override {} |
| void visit (HIR::QualifiedPathInExpression &) override {} |
| void visit (HIR::RangePattern &) override {} |
| void visit (HIR::ReferencePattern &) override {} |
| void visit (HIR::SlicePattern &) override {} |
| void visit (HIR::StructPattern &) override {} |
| void visit (HIR::TuplePattern &) override {} |
| void visit (HIR::TupleStructPattern &) override {} |
| void visit (HIR::WildcardPattern &) override {} |
| |
| private: |
| CompileVarDecl (Context *ctx, tree fndecl, tree translated_type, |
| std::vector<Bvariable *> &locals) |
| : HIRCompileBase (ctx), fndecl (fndecl), translated_type (translated_type), |
| locals (locals) |
| {} |
| |
| tree fndecl; |
| tree translated_type; |
| |
| std::vector<Bvariable *> &locals; |
| }; |
| |
| } // namespace Compile |
| } // namespace Rust |
| |
| #endif // RUST_COMPILE_VAR_DECL |