| // 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/>. |
| |
| #include "rust-compile-fnparam.h" |
| #include "rust-compile-pattern.h" |
| |
| #include "gimple-expr.h" |
| |
| namespace Rust { |
| namespace Compile { |
| |
| CompileFnParam::CompileFnParam (Context *ctx, tree fndecl, tree decl_type, |
| Location locus) |
| : HIRCompileBase (ctx), fndecl (fndecl), decl_type (decl_type), locus (locus), |
| compiled_param (ctx->get_backend ()->error_variable ()) |
| {} |
| |
| Bvariable * |
| CompileFnParam::compile (Context *ctx, tree fndecl, HIR::FunctionParam *param, |
| tree decl_type, Location locus) |
| { |
| CompileFnParam compiler (ctx, fndecl, decl_type, locus); |
| param->get_param_name ()->accept_vis (compiler); |
| return compiler.compiled_param; |
| } |
| |
| Bvariable * |
| CompileFnParam::compile (Context *ctx, tree fndecl, HIR::Pattern *param, |
| tree decl_type, Location locus) |
| { |
| CompileFnParam compiler (ctx, fndecl, decl_type, locus); |
| param->accept_vis (compiler); |
| return compiler.compiled_param; |
| } |
| |
| void |
| CompileFnParam::visit (HIR::IdentifierPattern &pattern) |
| { |
| if (!pattern.is_mut ()) |
| decl_type = ctx->get_backend ()->immutable_type (decl_type); |
| |
| compiled_param |
| = ctx->get_backend ()->parameter_variable (fndecl, |
| pattern.get_identifier (), |
| decl_type, locus); |
| } |
| |
| void |
| CompileFnParam::visit (HIR::WildcardPattern &pattern) |
| { |
| decl_type = ctx->get_backend ()->immutable_type (decl_type); |
| |
| compiled_param |
| = ctx->get_backend ()->parameter_variable (fndecl, "_", decl_type, locus); |
| } |
| |
| void |
| CompileFnParam::visit (HIR::StructPattern &pattern) |
| { |
| // generate the anon param |
| tree tmp_ident = create_tmp_var_name ("RSTPRM"); |
| std::string cpp_str_identifier = std::string (IDENTIFIER_POINTER (tmp_ident)); |
| |
| decl_type = ctx->get_backend ()->immutable_type (decl_type); |
| compiled_param |
| = ctx->get_backend ()->parameter_variable (fndecl, cpp_str_identifier, |
| decl_type, locus); |
| |
| // setup the pattern bindings |
| tree anon_param = ctx->get_backend ()->var_expression (compiled_param, locus); |
| CompilePatternBindings::Compile (&pattern, anon_param, ctx); |
| } |
| |
| void |
| CompileFnParam::visit (HIR::TupleStructPattern &pattern) |
| { |
| // generate the anon param |
| tree tmp_ident = create_tmp_var_name ("RSTPRM"); |
| std::string cpp_str_identifier = std::string (IDENTIFIER_POINTER (tmp_ident)); |
| |
| decl_type = ctx->get_backend ()->immutable_type (decl_type); |
| compiled_param |
| = ctx->get_backend ()->parameter_variable (fndecl, cpp_str_identifier, |
| decl_type, locus); |
| |
| // setup the pattern bindings |
| tree anon_param = ctx->get_backend ()->var_expression (compiled_param, locus); |
| CompilePatternBindings::Compile (&pattern, anon_param, ctx); |
| } |
| |
| Bvariable * |
| CompileSelfParam::compile (Context *ctx, tree fndecl, HIR::SelfParam &self, |
| tree decl_type, Location locus) |
| { |
| bool is_immutable |
| = self.get_self_kind () == HIR::SelfParam::ImplicitSelfKind::IMM |
| || self.get_self_kind () == HIR::SelfParam::ImplicitSelfKind::IMM_REF; |
| if (is_immutable) |
| decl_type = ctx->get_backend ()->immutable_type (decl_type); |
| |
| return ctx->get_backend ()->parameter_variable (fndecl, "self", decl_type, |
| locus); |
| } |
| |
| } // namespace Compile |
| } // namespace Rust |